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);
56 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig);
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);
3464 } else if (is_static) {
3465 mono_field_static_get_value (vtable, field, &o);
3467 mono_field_get_value (obj, field, &o);
3473 static MonoMethod *m;
3479 MonoClass *ptr_klass = mono_class_get_pointer_class ();
3480 m = mono_class_get_method_from_name_flags (ptr_klass, "Box", 2, METHOD_ATTRIBUTE_STATIC);
3486 get_default_field_value (domain, field, v);
3487 } else if (is_static) {
3488 mono_field_static_get_value (vtable, field, v);
3490 mono_field_get_value (obj, field, v);
3493 /* MONO_TYPE_PTR is passed by value to runtime_invoke () */
3494 args [0] = ptr ? *ptr : NULL;
3495 args [1] = mono_type_get_object_checked (mono_domain_get (), type, error);
3496 return_val_if_nok (error, NULL);
3498 o = mono_runtime_invoke_checked (m, NULL, args, error);
3499 return_val_if_nok (error, NULL);
3504 /* boxed value type */
3505 klass = mono_class_from_mono_type (type);
3507 if (mono_class_is_nullable (klass))
3508 return mono_nullable_box (mono_field_get_addr (obj, vtable, field), klass, error);
3510 o = mono_object_new_checked (domain, klass, error);
3511 return_val_if_nok (error, NULL);
3512 v = ((gchar *) o) + sizeof (MonoObject);
3515 get_default_field_value (domain, field, v);
3516 } else if (is_static) {
3517 mono_field_static_get_value (vtable, field, v);
3519 mono_field_get_value (obj, field, v);
3526 mono_get_constant_value_from_blob (MonoDomain* domain, MonoTypeEnum type, const char *blob, void *value)
3528 MONO_REQ_GC_UNSAFE_MODE;
3531 const char *p = blob;
3532 mono_metadata_decode_blob_size (p, &p);
3535 case MONO_TYPE_BOOLEAN:
3538 *(guint8 *) value = *p;
3540 case MONO_TYPE_CHAR:
3543 *(guint16*) value = read16 (p);
3547 *(guint32*) value = read32 (p);
3551 *(guint64*) value = read64 (p);
3554 readr4 (p, (float*) value);
3557 readr8 (p, (double*) value);
3559 case MONO_TYPE_STRING:
3560 *(gpointer*) value = mono_ldstr_metadata_sig (domain, blob);
3562 case MONO_TYPE_CLASS:
3563 *(gpointer*) value = NULL;
3567 g_warning ("type 0x%02x should not be in constant table", type);
3573 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value)
3575 MONO_REQ_GC_NEUTRAL_MODE;
3577 MonoTypeEnum def_type;
3580 data = mono_class_get_field_default_value (field, &def_type);
3581 mono_get_constant_value_from_blob (domain, def_type, data, value);
3585 mono_field_static_get_value_for_thread (MonoInternalThread *thread, MonoVTable *vt, MonoClassField *field, void *value)
3587 MONO_REQ_GC_UNSAFE_MODE;
3591 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3593 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL) {
3594 get_default_field_value (vt->domain, field, value);
3598 if (field->offset == -1) {
3599 /* Special static */
3600 gpointer addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3601 src = mono_get_special_static_data_for_thread (thread, GPOINTER_TO_UINT (addr));
3603 src = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3605 mono_copy_value (field->type, value, src, TRUE);
3609 * mono_field_static_get_value:
3610 * @vt: vtable to the object
3611 * @field: MonoClassField describing the field to fetch information from
3612 * @value: where the value is returned
3614 * Use this routine to get the value of the static field @field value.
3616 * The pointer provided by value must be of the field type, for reference
3617 * types this is a MonoObject*, for value types its the actual pointer to
3622 * mono_field_static_get_value (vt, int_field, &i);
3625 mono_field_static_get_value (MonoVTable *vt, MonoClassField *field, void *value)
3627 MONO_REQ_GC_NEUTRAL_MODE;
3629 mono_field_static_get_value_for_thread (mono_thread_internal_current (), vt, field, value);
3633 * mono_property_set_value:
3634 * @prop: MonoProperty to set
3635 * @obj: instance object on which to act
3636 * @params: parameters to pass to the propery
3637 * @exc: optional exception
3639 * Invokes the property's set method with the given arguments on the
3640 * object instance obj (or NULL for static properties).
3642 * You can pass NULL as the exc argument if you don't want to
3643 * catch exceptions, otherwise, *exc will be set to the exception
3644 * thrown, if any. if an exception is thrown, you can't use the
3645 * MonoObject* result from the function.
3648 mono_property_set_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3650 MONO_REQ_GC_UNSAFE_MODE;
3653 do_runtime_invoke (prop->set, obj, params, exc, &error);
3654 if (exc && *exc == NULL && !mono_error_ok (&error)) {
3655 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
3657 mono_error_cleanup (&error);
3662 * mono_property_set_value_checked:
3663 * @prop: MonoProperty to set
3664 * @obj: instance object on which to act
3665 * @params: parameters to pass to the propery
3666 * @error: set on error
3668 * Invokes the property's set method with the given arguments on the
3669 * object instance obj (or NULL for static properties).
3671 * Returns: TRUE on success. On failure returns FALSE and sets @error.
3672 * If an exception is thrown, it will be caught and returned via @error.
3675 mono_property_set_value_checked (MonoProperty *prop, void *obj, void **params, MonoError *error)
3677 MONO_REQ_GC_UNSAFE_MODE;
3681 mono_error_init (error);
3682 do_runtime_invoke (prop->set, obj, params, &exc, error);
3683 if (exc != NULL && is_ok (error))
3684 mono_error_set_exception_instance (error, (MonoException*)exc);
3685 return is_ok (error);
3689 * mono_property_get_value:
3690 * @prop: MonoProperty to fetch
3691 * @obj: instance object on which to act
3692 * @params: parameters to pass to the propery
3693 * @exc: optional exception
3695 * Invokes the property's get method with the given arguments on the
3696 * object instance obj (or NULL for static properties).
3698 * You can pass NULL as the exc argument if you don't want to
3699 * catch exceptions, otherwise, *exc will be set to the exception
3700 * thrown, if any. if an exception is thrown, you can't use the
3701 * MonoObject* result from the function.
3703 * Returns: the value from invoking the get method on the property.
3706 mono_property_get_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3708 MONO_REQ_GC_UNSAFE_MODE;
3711 MonoObject *val = do_runtime_invoke (prop->get, obj, params, exc, &error);
3712 if (exc && *exc == NULL && !mono_error_ok (&error)) {
3713 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
3715 mono_error_raise_exception (&error); /* FIXME don't raise here */
3722 * mono_nullable_init:
3723 * @buf: The nullable structure to initialize.
3724 * @value: the value to initialize from
3725 * @klass: the type for the object
3727 * Initialize the nullable structure pointed to by @buf from @value which
3728 * should be a boxed value type. The size of @buf should be able to hold
3729 * as much data as the @klass->instance_size (which is the number of bytes
3730 * that will be copies).
3732 * Since Nullables have variable structure, we can not define a C
3733 * structure for them.
3736 mono_nullable_init (guint8 *buf, MonoObject *value, MonoClass *klass)
3738 MONO_REQ_GC_UNSAFE_MODE;
3740 MonoClass *param_class = klass->cast_class;
3742 mono_class_setup_fields_locking (klass);
3743 g_assert (klass->fields_inited);
3745 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3746 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3748 *(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject)) = value ? 1 : 0;
3750 if (param_class->has_references)
3751 mono_gc_wbarrier_value_copy (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), 1, param_class);
3753 mono_gc_memmove_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), mono_class_value_size (param_class, NULL));
3755 mono_gc_bzero_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3760 * mono_nullable_box:
3761 * @buf: The buffer representing the data to be boxed
3762 * @klass: the type to box it as.
3763 * @error: set on oerr
3765 * Creates a boxed vtype or NULL from the Nullable structure pointed to by
3766 * @buf. On failure returns NULL and sets @error
3769 mono_nullable_box (guint8 *buf, MonoClass *klass, MonoError *error)
3771 MONO_REQ_GC_UNSAFE_MODE;
3773 mono_error_init (error);
3774 MonoClass *param_class = klass->cast_class;
3776 mono_class_setup_fields_locking (klass);
3777 g_assert (klass->fields_inited);
3779 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3780 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3782 if (*(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject))) {
3783 MonoObject *o = mono_object_new_checked (mono_domain_get (), param_class, error);
3784 return_val_if_nok (error, NULL);
3785 if (param_class->has_references)
3786 mono_gc_wbarrier_value_copy (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), 1, param_class);
3788 mono_gc_memmove_atomic (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3796 * mono_get_delegate_invoke:
3797 * @klass: The delegate class
3799 * Returns: the MonoMethod for the "Invoke" method in the delegate klass or NULL if @klass is a broken delegate type
3802 mono_get_delegate_invoke (MonoClass *klass)
3804 MONO_REQ_GC_NEUTRAL_MODE;
3808 /* This is called at runtime, so avoid the slower search in metadata */
3809 mono_class_setup_methods (klass);
3810 if (mono_class_has_failure (klass))
3812 im = mono_class_get_method_from_name (klass, "Invoke", -1);
3817 * mono_get_delegate_begin_invoke:
3818 * @klass: The delegate class
3820 * Returns: the MonoMethod for the "BeginInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3823 mono_get_delegate_begin_invoke (MonoClass *klass)
3825 MONO_REQ_GC_NEUTRAL_MODE;
3829 /* This is called at runtime, so avoid the slower search in metadata */
3830 mono_class_setup_methods (klass);
3831 if (mono_class_has_failure (klass))
3833 im = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
3838 * mono_get_delegate_end_invoke:
3839 * @klass: The delegate class
3841 * Returns: the MonoMethod for the "EndInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3844 mono_get_delegate_end_invoke (MonoClass *klass)
3846 MONO_REQ_GC_NEUTRAL_MODE;
3850 /* This is called at runtime, so avoid the slower search in metadata */
3851 mono_class_setup_methods (klass);
3852 if (mono_class_has_failure (klass))
3854 im = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3859 * mono_runtime_delegate_invoke:
3860 * @delegate: pointer to a delegate object.
3861 * @params: parameters for the delegate.
3862 * @exc: Pointer to the exception result.
3864 * Invokes the delegate method @delegate with the parameters provided.
3866 * You can pass NULL as the exc argument if you don't want to
3867 * catch exceptions, otherwise, *exc will be set to the exception
3868 * thrown, if any. if an exception is thrown, you can't use the
3869 * MonoObject* result from the function.
3872 mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
3874 MONO_REQ_GC_UNSAFE_MODE;
3878 MonoClass *klass = delegate->vtable->klass;
3881 im = mono_get_delegate_invoke (klass);
3883 g_error ("Could not lookup delegate invoke method for delegate %s", mono_type_get_full_name (klass));
3886 o = mono_runtime_try_invoke (im, delegate, params, exc, &error);
3887 if (*exc == NULL && !mono_error_ok (&error))
3888 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
3890 mono_error_cleanup (&error);
3892 o = mono_runtime_invoke_checked (im, delegate, params, &error);
3893 mono_error_raise_exception (&error); /* FIXME don't raise here */
3899 static char **main_args = NULL;
3900 static int num_main_args = 0;
3903 * mono_runtime_get_main_args:
3905 * Returns: a MonoArray with the arguments passed to the main program
3908 mono_runtime_get_main_args (void)
3910 MONO_REQ_GC_UNSAFE_MODE;
3914 MonoDomain *domain = mono_domain_get ();
3916 res = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, num_main_args);
3918 for (i = 0; i < num_main_args; ++i)
3919 mono_array_setref (res, i, mono_string_new (domain, main_args [i]));
3925 free_main_args (void)
3927 MONO_REQ_GC_NEUTRAL_MODE;
3931 for (i = 0; i < num_main_args; ++i)
3932 g_free (main_args [i]);
3939 * mono_runtime_set_main_args:
3940 * @argc: number of arguments from the command line
3941 * @argv: array of strings from the command line
3943 * Set the command line arguments from an embedding application that doesn't otherwise call
3944 * mono_runtime_run_main ().
3947 mono_runtime_set_main_args (int argc, char* argv[])
3949 MONO_REQ_GC_NEUTRAL_MODE;
3954 main_args = g_new0 (char*, argc);
3955 num_main_args = argc;
3957 for (i = 0; i < argc; ++i) {
3960 utf8_arg = mono_utf8_from_external (argv[i]);
3961 if (utf8_arg == NULL) {
3962 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv [i]);
3963 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3967 main_args [i] = utf8_arg;
3974 * mono_runtime_run_main:
3975 * @method: the method to start the application with (usually Main)
3976 * @argc: number of arguments from the command line
3977 * @argv: array of strings from the command line
3978 * @exc: excetption results
3980 * Execute a standard Main() method (argc/argv contains the
3981 * executable name). This method also sets the command line argument value
3982 * needed by System.Environment.
3987 mono_runtime_run_main (MonoMethod *method, int argc, char* argv[],
3990 MONO_REQ_GC_UNSAFE_MODE;
3993 MonoArray *args = NULL;
3994 MonoDomain *domain = mono_domain_get ();
3995 gchar *utf8_fullpath;
3996 MonoMethodSignature *sig;
3998 g_assert (method != NULL);
4000 mono_thread_set_main (mono_thread_current ());
4002 main_args = g_new0 (char*, argc);
4003 num_main_args = argc;
4005 if (!g_path_is_absolute (argv [0])) {
4006 gchar *basename = g_path_get_basename (argv [0]);
4007 gchar *fullpath = g_build_filename (method->klass->image->assembly->basedir,
4011 utf8_fullpath = mono_utf8_from_external (fullpath);
4012 if(utf8_fullpath == NULL) {
4013 /* Printing the arg text will cause glib to
4014 * whinge about "Invalid UTF-8", but at least
4015 * its relevant, and shows the problem text
4018 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", fullpath);
4019 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4026 utf8_fullpath = mono_utf8_from_external (argv[0]);
4027 if(utf8_fullpath == NULL) {
4028 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", argv[0]);
4029 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4034 main_args [0] = utf8_fullpath;
4036 for (i = 1; i < argc; ++i) {
4039 utf8_arg=mono_utf8_from_external (argv[i]);
4040 if(utf8_arg==NULL) {
4041 /* Ditto the comment about Invalid UTF-8 here */
4042 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv[i]);
4043 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4047 main_args [i] = utf8_arg;
4052 sig = mono_method_signature (method);
4054 g_print ("Unable to load Main method.\n");
4058 if (sig->param_count) {
4059 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, argc);
4060 for (i = 0; i < argc; ++i) {
4061 /* The encodings should all work, given that
4062 * we've checked all these args for the
4065 gchar *str = mono_utf8_from_external (argv [i]);
4066 MonoString *arg = mono_string_new (domain, str);
4067 mono_array_setref (args, i, arg);
4071 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
4074 mono_assembly_set_main (method->klass->image->assembly);
4076 return mono_runtime_exec_main (method, args, exc);
4080 serialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
4082 static MonoMethod *serialize_method;
4088 if (!serialize_method) {
4089 MonoClass *klass = mono_class_get_remoting_services_class ();
4090 serialize_method = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
4093 if (!serialize_method) {
4098 g_assert (!mono_class_is_marshalbyref (mono_object_class (obj)));
4103 array = mono_runtime_try_invoke (serialize_method, NULL, params, exc, &error);
4104 if (*exc == NULL && !mono_error_ok (&error))
4105 *exc = (MonoObject*) mono_error_convert_to_exception (&error); /* FIXME convert serialize_object to MonoError */
4107 mono_error_cleanup (&error);
4116 deserialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
4118 MONO_REQ_GC_UNSAFE_MODE;
4120 static MonoMethod *deserialize_method;
4126 if (!deserialize_method) {
4127 MonoClass *klass = mono_class_get_remoting_services_class ();
4128 deserialize_method = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
4130 if (!deserialize_method) {
4138 result = mono_runtime_try_invoke (deserialize_method, NULL, params, exc, &error);
4139 if (*exc == NULL && !mono_error_ok (&error))
4140 *exc = (MonoObject*) mono_error_convert_to_exception (&error); /* FIXME convert deserialize_object to MonoError */
4142 mono_error_cleanup (&error);
4150 #ifndef DISABLE_REMOTING
4152 make_transparent_proxy (MonoObject *obj, gboolean *failure, MonoObject **exc)
4154 MONO_REQ_GC_UNSAFE_MODE;
4156 static MonoMethod *get_proxy_method;
4159 MonoDomain *domain = mono_domain_get ();
4160 MonoRealProxy *real_proxy;
4161 MonoReflectionType *reflection_type;
4162 MonoTransparentProxy *transparent_proxy;
4164 if (!get_proxy_method)
4165 get_proxy_method = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
4167 g_assert (mono_class_is_marshalbyref (obj->vtable->klass));
4169 real_proxy = (MonoRealProxy*) mono_object_new_checked (domain, mono_defaults.real_proxy_class, &error);
4170 mono_error_raise_exception (&error); /* FIXME don't raise here */
4171 reflection_type = mono_type_get_object_checked (domain, &obj->vtable->klass->byval_arg, &error);
4172 mono_error_raise_exception (&error); /* FIXME don't raise here */
4174 MONO_OBJECT_SETREF (real_proxy, class_to_proxy, reflection_type);
4175 MONO_OBJECT_SETREF (real_proxy, unwrapped_server, obj);
4179 transparent_proxy = (MonoTransparentProxy*) mono_runtime_try_invoke (get_proxy_method, real_proxy, NULL, exc, &error);
4180 if (*exc == NULL && !mono_error_ok (&error))
4181 *exc = (MonoObject*) mono_error_convert_to_exception (&error); /* FIXME change make_transparent_proxy outarg to MonoError */
4183 mono_error_cleanup (&error);
4187 return (MonoObject*) transparent_proxy;
4189 #endif /* DISABLE_REMOTING */
4192 * mono_object_xdomain_representation
4194 * @target_domain: a domain
4195 * @exc: pointer to a MonoObject*
4197 * Creates a representation of obj in the domain target_domain. This
4198 * is either a copy of obj arrived through via serialization and
4199 * deserialization or a proxy, depending on whether the object is
4200 * serializable or marshal by ref. obj must not be in target_domain.
4202 * If the object cannot be represented in target_domain, NULL is
4203 * returned and *exc is set to an appropriate exception.
4206 mono_object_xdomain_representation (MonoObject *obj, MonoDomain *target_domain, MonoObject **exc)
4208 MONO_REQ_GC_UNSAFE_MODE;
4210 MonoObject *deserialized = NULL;
4211 gboolean failure = FALSE;
4213 g_assert (exc != NULL);
4216 #ifndef DISABLE_REMOTING
4217 if (mono_class_is_marshalbyref (mono_object_class (obj))) {
4218 deserialized = make_transparent_proxy (obj, &failure, exc);
4223 MonoDomain *domain = mono_domain_get ();
4224 MonoObject *serialized;
4226 mono_domain_set_internal_with_options (mono_object_domain (obj), FALSE);
4227 serialized = serialize_object (obj, &failure, exc);
4228 mono_domain_set_internal_with_options (target_domain, FALSE);
4230 deserialized = deserialize_object (serialized, &failure, exc);
4231 if (domain != target_domain)
4232 mono_domain_set_internal_with_options (domain, FALSE);
4235 return deserialized;
4238 /* Used in call_unhandled_exception_delegate */
4240 create_unhandled_exception_eventargs (MonoObject *exc)
4242 MONO_REQ_GC_UNSAFE_MODE;
4247 MonoMethod *method = NULL;
4248 MonoBoolean is_terminating = TRUE;
4251 klass = mono_class_get_unhandled_exception_event_args_class ();
4252 mono_class_init (klass);
4254 /* UnhandledExceptionEventArgs only has 1 public ctor with 2 args */
4255 method = mono_class_get_method_from_name_flags (klass, ".ctor", 2, METHOD_ATTRIBUTE_PUBLIC);
4259 args [1] = &is_terminating;
4261 obj = mono_object_new_checked (mono_domain_get (), klass, &error);
4262 mono_error_raise_exception (&error); /* FIXME don't raise here */
4264 mono_runtime_invoke_checked (method, obj, args, &error);
4265 mono_error_raise_exception (&error); /* FIXME don't raise here */
4270 /* Used in mono_unhandled_exception */
4272 call_unhandled_exception_delegate (MonoDomain *domain, MonoObject *delegate, MonoObject *exc) {
4273 MONO_REQ_GC_UNSAFE_MODE;
4275 MonoObject *e = NULL;
4277 MonoDomain *current_domain = mono_domain_get ();
4279 if (domain != current_domain)
4280 mono_domain_set_internal_with_options (domain, FALSE);
4282 g_assert (domain == mono_object_domain (domain->domain));
4284 if (mono_object_domain (exc) != domain) {
4285 MonoObject *serialization_exc;
4287 exc = mono_object_xdomain_representation (exc, domain, &serialization_exc);
4289 if (serialization_exc) {
4291 exc = mono_object_xdomain_representation (serialization_exc, domain, &dummy);
4294 exc = (MonoObject*) mono_exception_from_name_msg (mono_get_corlib (),
4295 "System.Runtime.Serialization", "SerializationException",
4296 "Could not serialize unhandled exception.");
4300 g_assert (mono_object_domain (exc) == domain);
4302 pa [0] = domain->domain;
4303 pa [1] = create_unhandled_exception_eventargs (exc);
4304 mono_runtime_delegate_invoke (delegate, pa, &e);
4306 if (domain != current_domain)
4307 mono_domain_set_internal_with_options (current_domain, FALSE);
4311 gchar *msg = mono_string_to_utf8_checked (((MonoException *) e)->message, &error);
4312 if (!mono_error_ok (&error)) {
4313 g_warning ("Exception inside UnhandledException handler with invalid message (Invalid characters)\n");
4314 mono_error_cleanup (&error);
4316 g_warning ("exception inside UnhandledException handler: %s\n", msg);
4322 static MonoRuntimeUnhandledExceptionPolicy runtime_unhandled_exception_policy = MONO_UNHANDLED_POLICY_CURRENT;
4325 * mono_runtime_unhandled_exception_policy_set:
4326 * @policy: the new policy
4328 * This is a VM internal routine.
4330 * Sets the runtime policy for handling unhandled exceptions.
4333 mono_runtime_unhandled_exception_policy_set (MonoRuntimeUnhandledExceptionPolicy policy) {
4334 runtime_unhandled_exception_policy = policy;
4338 * mono_runtime_unhandled_exception_policy_get:
4340 * This is a VM internal routine.
4342 * Gets the runtime policy for handling unhandled exceptions.
4344 MonoRuntimeUnhandledExceptionPolicy
4345 mono_runtime_unhandled_exception_policy_get (void) {
4346 return runtime_unhandled_exception_policy;
4350 * mono_unhandled_exception:
4351 * @exc: exception thrown
4353 * This is a VM internal routine.
4355 * We call this function when we detect an unhandled exception
4356 * in the default domain.
4358 * It invokes the * UnhandledException event in AppDomain or prints
4359 * a warning to the console
4362 mono_unhandled_exception (MonoObject *exc)
4364 MONO_REQ_GC_UNSAFE_MODE;
4367 MonoClassField *field;
4368 MonoDomain *current_domain, *root_domain;
4369 MonoObject *current_appdomain_delegate = NULL, *root_appdomain_delegate = NULL;
4371 if (mono_class_has_parent (exc->vtable->klass, mono_defaults.threadabortexception_class))
4374 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "UnhandledException");
4377 current_domain = mono_domain_get ();
4378 root_domain = mono_get_root_domain ();
4380 root_appdomain_delegate = mono_field_get_value_object_checked (root_domain, field, (MonoObject*) root_domain->domain, &error);
4381 mono_error_raise_exception (&error); /* FIXME don't raise here */
4382 if (current_domain != root_domain) {
4383 current_appdomain_delegate = mono_field_get_value_object_checked (current_domain, field, (MonoObject*) current_domain->domain, &error);
4384 mono_error_raise_exception (&error); /* FIXME don't raise here */
4387 if (!current_appdomain_delegate && !root_appdomain_delegate) {
4388 mono_print_unhandled_exception (exc);
4390 if (root_appdomain_delegate)
4391 call_unhandled_exception_delegate (root_domain, root_appdomain_delegate, exc);
4392 if (current_appdomain_delegate)
4393 call_unhandled_exception_delegate (current_domain, current_appdomain_delegate, exc);
4396 /* set exitcode only if we will abort the process */
4397 if ((main_thread && mono_thread_internal_current () == main_thread->internal_thread)
4398 || mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_CURRENT)
4400 mono_environment_exitcode_set (1);
4405 * mono_runtime_exec_managed_code:
4406 * @domain: Application domain
4407 * @main_func: function to invoke from the execution thread
4408 * @main_args: parameter to the main_func
4410 * Launch a new thread to execute a function
4412 * main_func is called back from the thread with main_args as the
4413 * parameter. The callback function is expected to start Main()
4414 * eventually. This function then waits for all managed threads to
4416 * It is not necesseray anymore to execute managed code in a subthread,
4417 * so this function should not be used anymore by default: just
4418 * execute the code and then call mono_thread_manage ().
4421 mono_runtime_exec_managed_code (MonoDomain *domain,
4422 MonoMainThreadFunc main_func,
4425 mono_thread_create (domain, main_func, main_args);
4427 mono_thread_manage ();
4431 * Execute a standard Main() method (args doesn't contain the
4435 mono_runtime_exec_main (MonoMethod *method, MonoArray *args, MonoObject **exc)
4437 MONO_REQ_GC_UNSAFE_MODE;
4443 MonoCustomAttrInfo* cinfo;
4444 gboolean has_stathread_attribute;
4445 MonoInternalThread* thread = mono_thread_internal_current ();
4451 domain = mono_object_domain (args);
4452 if (!domain->entry_assembly) {
4454 MonoAssembly *assembly;
4456 assembly = method->klass->image->assembly;
4457 domain->entry_assembly = assembly;
4458 /* Domains created from another domain already have application_base and configuration_file set */
4459 if (domain->setup->application_base == NULL) {
4460 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, assembly->basedir));
4463 if (domain->setup->configuration_file == NULL) {
4464 str = g_strconcat (assembly->image->name, ".config", NULL);
4465 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, str));
4467 mono_domain_set_options_from_config (domain);
4471 cinfo = mono_custom_attrs_from_method_checked (method, &error);
4472 mono_error_cleanup (&error); /* FIXME warn here? */
4474 has_stathread_attribute = mono_custom_attrs_has_attr (cinfo, mono_class_get_sta_thread_attribute_class ());
4476 mono_custom_attrs_free (cinfo);
4478 has_stathread_attribute = FALSE;
4480 if (has_stathread_attribute) {
4481 thread->apartment_state = ThreadApartmentState_STA;
4483 thread->apartment_state = ThreadApartmentState_MTA;
4485 mono_thread_init_apartment_state ();
4487 /* FIXME: check signature of method */
4488 if (mono_method_signature (method)->ret->type == MONO_TYPE_I4) {
4491 res = mono_runtime_try_invoke (method, NULL, pa, exc, &error);
4492 if (*exc == NULL && !mono_error_ok (&error))
4493 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4495 mono_error_cleanup (&error);
4497 res = mono_runtime_invoke_checked (method, NULL, pa, &error);
4498 mono_error_raise_exception (&error); /* FIXME don't raise here */
4502 rval = *(guint32 *)((char *)res + sizeof (MonoObject));
4506 mono_environment_exitcode_set (rval);
4509 mono_runtime_try_invoke (method, NULL, pa, exc, &error);
4510 if (*exc == NULL && !mono_error_ok (&error))
4511 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4513 mono_error_cleanup (&error);
4515 mono_runtime_invoke_checked (method, NULL, pa, &error);
4516 mono_error_raise_exception (&error); /* FIXME don't raise here */
4522 /* If the return type of Main is void, only
4523 * set the exitcode if an exception was thrown
4524 * (we don't want to blow away an
4525 * explicitly-set exit code)
4528 mono_environment_exitcode_set (rval);
4536 * mono_runtime_invoke_array:
4537 * @method: method to invoke
4538 * @obJ: object instance
4539 * @params: arguments to the method
4540 * @exc: exception information.
4542 * Invokes the method represented by @method on the object @obj.
4544 * obj is the 'this' pointer, it should be NULL for static
4545 * methods, a MonoObject* for object instances and a pointer to
4546 * the value type for value types.
4548 * The params array contains the arguments to the method with the
4549 * same convention: MonoObject* pointers for object instances and
4550 * pointers to the value type otherwise. The _invoke_array
4551 * variant takes a C# object[] as the params argument (MonoArray
4552 * *params): in this case the value types are boxed inside the
4553 * respective reference representation.
4555 * From unmanaged code you'll usually use the
4556 * mono_runtime_invoke_checked() variant.
4558 * Note that this function doesn't handle virtual methods for
4559 * you, it will exec the exact method you pass: we still need to
4560 * expose a function to lookup the derived class implementation
4561 * of a virtual method (there are examples of this in the code,
4564 * You can pass NULL as the exc argument if you don't want to
4565 * catch exceptions, otherwise, *exc will be set to the exception
4566 * thrown, if any. if an exception is thrown, you can't use the
4567 * MonoObject* result from the function.
4569 * If the method returns a value type, it is boxed in an object
4573 mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
4576 MONO_REQ_GC_UNSAFE_MODE;
4579 MonoMethodSignature *sig = mono_method_signature (method);
4580 gpointer *pa = NULL;
4583 gboolean has_byref_nullables = FALSE;
4585 if (NULL != params) {
4586 pa = (void **)alloca (sizeof (gpointer) * mono_array_length (params));
4587 for (i = 0; i < mono_array_length (params); i++) {
4588 MonoType *t = sig->params [i];
4594 case MONO_TYPE_BOOLEAN:
4597 case MONO_TYPE_CHAR:
4606 case MONO_TYPE_VALUETYPE:
4607 if (t->type == MONO_TYPE_VALUETYPE && mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4608 /* The runtime invoke wrapper needs the original boxed vtype, it does handle byref values as well. */
4609 pa [i] = mono_array_get (params, MonoObject*, i);
4611 has_byref_nullables = TRUE;
4613 /* MS seems to create the objects if a null is passed in */
4614 if (!mono_array_get (params, MonoObject*, i)) {
4615 MonoObject *o = mono_object_new_checked (mono_domain_get (), mono_class_from_mono_type (sig->params [i]), &error);
4616 mono_error_raise_exception (&error); /* FIXME don't raise here */
4617 mono_array_setref (params, i, o);
4622 * We can't pass the unboxed vtype byref to the callee, since
4623 * that would mean the callee would be able to modify boxed
4624 * primitive types. So we (and MS) make a copy of the boxed
4625 * object, pass that to the callee, and replace the original
4626 * boxed object in the arg array with the copy.
4628 MonoObject *orig = mono_array_get (params, MonoObject*, i);
4629 MonoObject *copy = mono_value_box_checked (mono_domain_get (), orig->vtable->klass, mono_object_unbox (orig), &error);
4630 mono_error_raise_exception (&error); /* FIXME don't raise here */
4631 mono_array_setref (params, i, copy);
4634 pa [i] = mono_object_unbox (mono_array_get (params, MonoObject*, i));
4637 case MONO_TYPE_STRING:
4638 case MONO_TYPE_OBJECT:
4639 case MONO_TYPE_CLASS:
4640 case MONO_TYPE_ARRAY:
4641 case MONO_TYPE_SZARRAY:
4643 pa [i] = mono_array_addr (params, MonoObject*, i);
4644 // FIXME: I need to check this code path
4646 pa [i] = mono_array_get (params, MonoObject*, i);
4648 case MONO_TYPE_GENERICINST:
4650 t = &t->data.generic_class->container_class->this_arg;
4652 t = &t->data.generic_class->container_class->byval_arg;
4654 case MONO_TYPE_PTR: {
4657 /* The argument should be an IntPtr */
4658 arg = mono_array_get (params, MonoObject*, i);
4662 g_assert (arg->vtable->klass == mono_defaults.int_class);
4663 pa [i] = ((MonoIntPtr*)arg)->m_value;
4668 g_error ("type 0x%x not handled in mono_runtime_invoke_array", sig->params [i]->type);
4673 if (!strcmp (method->name, ".ctor") && method->klass != mono_defaults.string_class) {
4676 if (mono_class_is_nullable (method->klass)) {
4677 /* Need to create a boxed vtype instead */
4683 MonoObject *result = mono_value_box_checked (mono_domain_get (), method->klass->cast_class, pa [0], &error);
4684 mono_error_raise_exception (&error); /* FIXME don't raise here */
4690 obj = mono_object_new_checked (mono_domain_get (), method->klass, &error);
4691 g_assert (obj && mono_error_ok (&error)); /*maybe we should raise a TLE instead?*/ /* FIXME don't swallow error */
4692 #ifndef DISABLE_REMOTING
4693 if (mono_object_class(obj) == mono_defaults.transparent_proxy_class) {
4694 method = mono_marshal_get_remoting_invoke (method->slot == -1 ? method : method->klass->vtable [method->slot]);
4697 if (method->klass->valuetype)
4698 o = (MonoObject *)mono_object_unbox ((MonoObject *)obj);
4701 } else if (method->klass->valuetype) {
4702 obj = mono_value_box_checked (mono_domain_get (), method->klass, obj, &error);
4703 mono_error_raise_exception (&error); /* FIXME don't raise here */
4707 mono_runtime_try_invoke (method, o, pa, exc, &error);
4708 if (*exc == NULL && !mono_error_ok (&error))
4709 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4711 mono_error_cleanup (&error);
4713 mono_runtime_invoke_checked (method, o, pa, &error);
4714 mono_error_raise_exception (&error); /* FIXME don't raise here */
4717 return (MonoObject *)obj;
4719 if (mono_class_is_nullable (method->klass)) {
4720 MonoObject *nullable;
4722 /* Convert the unboxed vtype into a Nullable structure */
4723 nullable = mono_object_new_checked (mono_domain_get (), method->klass, &error);
4724 mono_error_raise_exception (&error); /* FIXME don't raise here */
4726 MonoObject *boxed = mono_value_box_checked (mono_domain_get (), method->klass->cast_class, obj, &error);
4727 mono_error_raise_exception (&error); /* FIXME don't raise here */
4728 mono_nullable_init ((guint8 *)mono_object_unbox (nullable), boxed, method->klass);
4729 obj = mono_object_unbox (nullable);
4732 /* obj must be already unboxed if needed */
4734 res = mono_runtime_try_invoke (method, obj, pa, exc, &error);
4735 if (*exc == NULL && !mono_error_ok (&error))
4736 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4738 mono_error_cleanup (&error);
4740 res = mono_runtime_invoke_checked (method, obj, pa, &error);
4741 mono_error_raise_exception (&error); /* FIXME don't raise here */
4744 if (sig->ret->type == MONO_TYPE_PTR) {
4745 MonoClass *pointer_class;
4746 static MonoMethod *box_method;
4748 MonoObject *box_exc;
4751 * The runtime-invoke wrapper returns a boxed IntPtr, need to
4752 * convert it to a Pointer object.
4754 pointer_class = mono_class_get_pointer_class ();
4756 box_method = mono_class_get_method_from_name (pointer_class, "Box", -1);
4758 g_assert (res->vtable->klass == mono_defaults.int_class);
4759 box_args [0] = ((MonoIntPtr*)res)->m_value;
4760 box_args [1] = mono_type_get_object_checked (mono_domain_get (), sig->ret, &error);
4761 mono_error_raise_exception (&error); /* FIXME don't raise here */
4763 res = mono_runtime_try_invoke (box_method, NULL, box_args, &box_exc, &error);
4764 g_assert (box_exc == NULL);
4765 mono_error_assert_ok (&error);
4768 if (has_byref_nullables) {
4770 * The runtime invoke wrapper already converted byref nullables back,
4771 * and stored them in pa, we just need to copy them back to the
4774 for (i = 0; i < mono_array_length (params); i++) {
4775 MonoType *t = sig->params [i];
4777 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4778 mono_array_setref (params, i, pa [i]);
4788 * @klass: the class of the object that we want to create
4790 * Returns: a newly created object whose definition is
4791 * looked up using @klass. This will not invoke any constructors,
4792 * so the consumer of this routine has to invoke any constructors on
4793 * its own to initialize the object.
4795 * It returns NULL on failure.
4798 mono_object_new (MonoDomain *domain, MonoClass *klass)
4800 MONO_REQ_GC_UNSAFE_MODE;
4804 MonoObject * result = mono_object_new_checked (domain, klass, &error);
4806 mono_error_raise_exception (&error);
4811 ves_icall_object_new (MonoDomain *domain, MonoClass *klass)
4813 MONO_REQ_GC_UNSAFE_MODE;
4817 MonoObject * result = mono_object_new_checked (domain, klass, &error);
4819 mono_error_raise_exception (&error);
4824 * mono_object_new_checked:
4825 * @klass: the class of the object that we want to create
4826 * @error: set on error
4828 * Returns: a newly created object whose definition is
4829 * looked up using @klass. This will not invoke any constructors,
4830 * so the consumer of this routine has to invoke any constructors on
4831 * its own to initialize the object.
4833 * It returns NULL on failure and sets @error.
4836 mono_object_new_checked (MonoDomain *domain, MonoClass *klass, MonoError *error)
4838 MONO_REQ_GC_UNSAFE_MODE;
4842 vtable = mono_class_vtable (domain, klass);
4843 g_assert (vtable); /* FIXME don't swallow the error */
4845 MonoObject *o = mono_object_new_specific_checked (vtable, error);
4850 * mono_object_new_pinned:
4852 * Same as mono_object_new, but the returned object will be pinned.
4853 * For SGEN, these objects will only be freed at appdomain unload.
4856 mono_object_new_pinned (MonoDomain *domain, MonoClass *klass, MonoError *error)
4858 MONO_REQ_GC_UNSAFE_MODE;
4862 mono_error_init (error);
4864 vtable = mono_class_vtable (domain, klass);
4865 g_assert (vtable); /* FIXME don't swallow the error */
4867 MonoObject *o = (MonoObject *)mono_gc_alloc_pinned_obj (vtable, mono_class_instance_size (klass));
4869 if (G_UNLIKELY (!o))
4870 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", mono_class_instance_size (klass));
4871 else if (G_UNLIKELY (vtable->klass->has_finalize))
4872 mono_object_register_finalizer (o, error);
4878 * mono_object_new_specific:
4879 * @vtable: the vtable of the object that we want to create
4881 * Returns: A newly created object with class and domain specified
4885 mono_object_new_specific (MonoVTable *vtable)
4888 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4889 mono_error_raise_exception (&error);
4895 mono_object_new_specific_checked (MonoVTable *vtable, MonoError *error)
4897 MONO_REQ_GC_UNSAFE_MODE;
4901 mono_error_init (error);
4903 /* check for is_com_object for COM Interop */
4904 if (mono_vtable_is_remote (vtable) || mono_class_is_com_object (vtable->klass))
4907 MonoMethod *im = vtable->domain->create_proxy_for_type_method;
4910 MonoClass *klass = mono_class_get_activation_services_class ();
4913 mono_class_init (klass);
4915 im = mono_class_get_method_from_name (klass, "CreateProxyForType", 1);
4917 mono_error_set_not_supported (error, "Linked away.");
4920 vtable->domain->create_proxy_for_type_method = im;
4923 pa [0] = mono_type_get_object_checked (mono_domain_get (), &vtable->klass->byval_arg, error);
4924 if (!mono_error_ok (error))
4927 o = mono_runtime_invoke_checked (im, NULL, pa, error);
4928 if (!mono_error_ok (error))
4935 return mono_object_new_alloc_specific_checked (vtable, error);
4939 ves_icall_object_new_specific (MonoVTable *vtable)
4942 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4943 mono_error_raise_exception (&error);
4949 * mono_object_new_alloc_specific:
4950 * @vtable: virtual table for the object.
4952 * This function allocates a new `MonoObject` with the type derived
4953 * from the @vtable information. If the class of this object has a
4954 * finalizer, then the object will be tracked for finalization.
4956 * This method might raise an exception on errors. Use the
4957 * `mono_object_new_fast_checked` method if you want to manually raise
4960 * Returns: the allocated object.
4963 mono_object_new_alloc_specific (MonoVTable *vtable)
4966 MonoObject *o = mono_object_new_alloc_specific_checked (vtable, &error);
4967 mono_error_raise_exception (&error);
4973 * mono_object_new_alloc_specific_checked:
4974 * @vtable: virtual table for the object.
4975 * @error: holds the error return value.
4977 * This function allocates a new `MonoObject` with the type derived
4978 * from the @vtable information. If the class of this object has a
4979 * finalizer, then the object will be tracked for finalization.
4981 * If there is not enough memory, the @error parameter will be set
4982 * and will contain a user-visible message with the amount of bytes
4983 * that were requested.
4985 * Returns: the allocated object, or NULL if there is not enough memory
4989 mono_object_new_alloc_specific_checked (MonoVTable *vtable, MonoError *error)
4991 MONO_REQ_GC_UNSAFE_MODE;
4995 mono_error_init (error);
4997 o = (MonoObject *)mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4999 if (G_UNLIKELY (!o))
5000 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
5001 else if (G_UNLIKELY (vtable->klass->has_finalize))
5002 mono_object_register_finalizer (o, error);
5008 * mono_object_new_fast:
5009 * @vtable: virtual table for the object.
5011 * This function allocates a new `MonoObject` with the type derived
5012 * from the @vtable information. The returned object is not tracked
5013 * for finalization. If your object implements a finalizer, you should
5014 * use `mono_object_new_alloc_specific` instead.
5016 * This method might raise an exception on errors. Use the
5017 * `mono_object_new_fast_checked` method if you want to manually raise
5020 * Returns: the allocated object.
5023 mono_object_new_fast (MonoVTable *vtable)
5026 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
5027 mono_error_raise_exception (&error);
5033 * mono_object_new_fast_checked:
5034 * @vtable: virtual table for the object.
5035 * @error: holds the error return value.
5037 * This function allocates a new `MonoObject` with the type derived
5038 * from the @vtable information. The returned object is not tracked
5039 * for finalization. If your object implements a finalizer, you should
5040 * use `mono_object_new_alloc_specific_checked` instead.
5042 * If there is not enough memory, the @error parameter will be set
5043 * and will contain a user-visible message with the amount of bytes
5044 * that were requested.
5046 * Returns: the allocated object, or NULL if there is not enough memory
5050 mono_object_new_fast_checked (MonoVTable *vtable, MonoError *error)
5052 MONO_REQ_GC_UNSAFE_MODE;
5056 mono_error_init (error);
5058 o = mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
5060 if (G_UNLIKELY (!o))
5061 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
5067 ves_icall_object_new_fast (MonoVTable *vtable)
5070 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
5071 mono_error_raise_exception (&error);
5077 mono_object_new_mature (MonoVTable *vtable, MonoError *error)
5079 MONO_REQ_GC_UNSAFE_MODE;
5083 mono_error_init (error);
5085 o = mono_gc_alloc_mature (vtable, vtable->klass->instance_size);
5087 if (G_UNLIKELY (!o))
5088 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
5089 else if (G_UNLIKELY (vtable->klass->has_finalize))
5090 mono_object_register_finalizer (o, error);
5096 * mono_class_get_allocation_ftn:
5098 * @for_box: the object will be used for boxing
5099 * @pass_size_in_words:
5101 * Return the allocation function appropriate for the given class.
5105 mono_class_get_allocation_ftn (MonoVTable *vtable, gboolean for_box, gboolean *pass_size_in_words)
5107 MONO_REQ_GC_NEUTRAL_MODE;
5109 *pass_size_in_words = FALSE;
5111 if (mono_class_has_finalizer (vtable->klass) || mono_class_is_marshalbyref (vtable->klass) || (mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS))
5112 return ves_icall_object_new_specific;
5114 if (vtable->gc_descr != MONO_GC_DESCRIPTOR_NULL) {
5116 return ves_icall_object_new_fast;
5119 * FIXME: This is actually slower than ves_icall_object_new_fast, because
5120 * of the overhead of parameter passing.
5123 *pass_size_in_words = TRUE;
5124 #ifdef GC_REDIRECT_TO_LOCAL
5125 return GC_local_gcj_fast_malloc;
5127 return GC_gcj_fast_malloc;
5132 return ves_icall_object_new_specific;
5136 * mono_object_new_from_token:
5137 * @image: Context where the type_token is hosted
5138 * @token: a token of the type that we want to create
5140 * Returns: A newly created object whose definition is
5141 * looked up using @token in the @image image
5144 mono_object_new_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
5146 MONO_REQ_GC_UNSAFE_MODE;
5152 klass = mono_class_get_checked (image, token, &error);
5153 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
5155 result = mono_object_new_checked (domain, klass, &error);
5157 mono_error_raise_exception (&error); /* FIXME don't raise here */
5164 * mono_object_clone:
5165 * @obj: the object to clone
5167 * Returns: A newly created object who is a shallow copy of @obj
5170 mono_object_clone (MonoObject *obj)
5173 MonoObject *o = mono_object_clone_checked (obj, &error);
5174 mono_error_raise_exception (&error);
5180 mono_object_clone_checked (MonoObject *obj, MonoError *error)
5182 MONO_REQ_GC_UNSAFE_MODE;
5187 mono_error_init (error);
5189 size = obj->vtable->klass->instance_size;
5191 if (obj->vtable->klass->rank)
5192 return (MonoObject*)mono_array_clone ((MonoArray*)obj);
5194 o = (MonoObject *)mono_gc_alloc_obj (obj->vtable, size);
5196 if (G_UNLIKELY (!o)) {
5197 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5201 /* If the object doesn't contain references this will do a simple memmove. */
5202 mono_gc_wbarrier_object_copy (o, obj);
5204 if (obj->vtable->klass->has_finalize)
5205 mono_object_register_finalizer (o, error);
5210 * mono_array_full_copy:
5211 * @src: source array to copy
5212 * @dest: destination array
5214 * Copies the content of one array to another with exactly the same type and size.
5217 mono_array_full_copy (MonoArray *src, MonoArray *dest)
5219 MONO_REQ_GC_UNSAFE_MODE;
5222 MonoClass *klass = src->obj.vtable->klass;
5224 g_assert (klass == dest->obj.vtable->klass);
5226 size = mono_array_length (src);
5227 g_assert (size == mono_array_length (dest));
5228 size *= mono_array_element_size (klass);
5230 if (klass->element_class->valuetype) {
5231 if (klass->element_class->has_references)
5232 mono_value_copy_array (dest, 0, mono_array_addr_with_size_fast (src, 0, 0), mono_array_length (src));
5234 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
5236 mono_array_memcpy_refs (dest, 0, src, 0, mono_array_length (src));
5239 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
5244 * mono_array_clone_in_domain:
5245 * @domain: the domain in which the array will be cloned into
5246 * @array: the array to clone
5248 * This routine returns a copy of the array that is hosted on the
5249 * specified MonoDomain.
5252 mono_array_clone_in_domain (MonoDomain *domain, MonoArray *array)
5254 MONO_REQ_GC_UNSAFE_MODE;
5260 MonoClass *klass = array->obj.vtable->klass;
5262 if (array->bounds == NULL) {
5263 size = mono_array_length (array);
5264 o = mono_array_new_full_checked (domain, klass, &size, NULL, &error);
5265 mono_error_raise_exception (&error); /* FIXME don't raise here */
5267 size *= mono_array_element_size (klass);
5269 if (klass->element_class->valuetype) {
5270 if (klass->element_class->has_references)
5271 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
5273 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5275 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
5278 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5283 sizes = (uintptr_t *)alloca (klass->rank * sizeof(intptr_t) * 2);
5284 size = mono_array_element_size (klass);
5285 for (i = 0; i < klass->rank; ++i) {
5286 sizes [i] = array->bounds [i].length;
5287 size *= array->bounds [i].length;
5288 sizes [i + klass->rank] = array->bounds [i].lower_bound;
5290 o = mono_array_new_full_checked (domain, klass, sizes, (intptr_t*)sizes + klass->rank, &error);
5291 mono_error_raise_exception (&error); /* FIXME don't raise here */
5293 if (klass->element_class->valuetype) {
5294 if (klass->element_class->has_references)
5295 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
5297 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5299 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
5302 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5310 * @array: the array to clone
5312 * Returns: A newly created array who is a shallow copy of @array
5315 mono_array_clone (MonoArray *array)
5317 MONO_REQ_GC_UNSAFE_MODE;
5319 return mono_array_clone_in_domain (((MonoObject *)array)->vtable->domain, array);
5322 /* helper macros to check for overflow when calculating the size of arrays */
5323 #ifdef MONO_BIG_ARRAYS
5324 #define MYGUINT64_MAX 0x0000FFFFFFFFFFFFUL
5325 #define MYGUINT_MAX MYGUINT64_MAX
5326 #define CHECK_ADD_OVERFLOW_UN(a,b) \
5327 (G_UNLIKELY ((guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a)))
5328 #define CHECK_MUL_OVERFLOW_UN(a,b) \
5329 (G_UNLIKELY (((guint64)(a) > 0) && ((guint64)(b) > 0) && \
5330 ((guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a)))))
5332 #define MYGUINT32_MAX 4294967295U
5333 #define MYGUINT_MAX MYGUINT32_MAX
5334 #define CHECK_ADD_OVERFLOW_UN(a,b) \
5335 (G_UNLIKELY ((guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a)))
5336 #define CHECK_MUL_OVERFLOW_UN(a,b) \
5337 (G_UNLIKELY (((guint32)(a) > 0) && ((guint32)(b) > 0) && \
5338 ((guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a)))))
5342 mono_array_calc_byte_len (MonoClass *klass, uintptr_t len, uintptr_t *res)
5344 MONO_REQ_GC_NEUTRAL_MODE;
5348 byte_len = mono_array_element_size (klass);
5349 if (CHECK_MUL_OVERFLOW_UN (byte_len, len))
5352 if (CHECK_ADD_OVERFLOW_UN (byte_len, MONO_SIZEOF_MONO_ARRAY))
5354 byte_len += MONO_SIZEOF_MONO_ARRAY;
5362 * mono_array_new_full:
5363 * @domain: domain where the object is created
5364 * @array_class: array class
5365 * @lengths: lengths for each dimension in the array
5366 * @lower_bounds: lower bounds for each dimension in the array (may be NULL)
5368 * This routine creates a new array objects with the given dimensions,
5369 * lower bounds and type.
5372 mono_array_new_full (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds)
5375 MonoArray *array = mono_array_new_full_checked (domain, array_class, lengths, lower_bounds, &error);
5376 mono_error_raise_exception (&error);
5382 mono_array_new_full_checked (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds, MonoError *error)
5384 MONO_REQ_GC_UNSAFE_MODE;
5386 uintptr_t byte_len = 0, len, bounds_size;
5389 MonoArrayBounds *bounds;
5393 mono_error_init (error);
5395 if (!array_class->inited)
5396 mono_class_init (array_class);
5400 /* A single dimensional array with a 0 lower bound is the same as an szarray */
5401 if (array_class->rank == 1 && ((array_class->byval_arg.type == MONO_TYPE_SZARRAY) || (lower_bounds && lower_bounds [0] == 0))) {
5403 if (len > MONO_ARRAY_MAX_INDEX) {
5404 mono_error_set_generic_error (error, "System", "OverflowException", "");
5409 bounds_size = sizeof (MonoArrayBounds) * array_class->rank;
5411 for (i = 0; i < array_class->rank; ++i) {
5412 if (lengths [i] > MONO_ARRAY_MAX_INDEX) {
5413 mono_error_set_generic_error (error, "System", "OverflowException", "");
5416 if (CHECK_MUL_OVERFLOW_UN (len, lengths [i])) {
5417 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5424 if (!mono_array_calc_byte_len (array_class, len, &byte_len)) {
5425 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5431 if (CHECK_ADD_OVERFLOW_UN (byte_len, 3)) {
5432 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5435 byte_len = (byte_len + 3) & ~3;
5436 if (CHECK_ADD_OVERFLOW_UN (byte_len, bounds_size)) {
5437 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5440 byte_len += bounds_size;
5443 * Following three lines almost taken from mono_object_new ():
5444 * they need to be kept in sync.
5446 vtable = mono_class_vtable_full (domain, array_class, error);
5447 return_val_if_nok (error, NULL);
5450 o = (MonoObject *)mono_gc_alloc_array (vtable, byte_len, len, bounds_size);
5452 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, len);
5454 if (G_UNLIKELY (!o)) {
5455 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5459 array = (MonoArray*)o;
5461 bounds = array->bounds;
5464 for (i = 0; i < array_class->rank; ++i) {
5465 bounds [i].length = lengths [i];
5467 bounds [i].lower_bound = lower_bounds [i];
5476 * @domain: domain where the object is created
5477 * @eclass: element class
5478 * @n: number of array elements
5480 * This routine creates a new szarray with @n elements of type @eclass.
5483 mono_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
5485 MONO_REQ_GC_UNSAFE_MODE;
5491 ac = mono_array_class_get (eclass, 1);
5494 MonoVTable *vtable = mono_class_vtable_full (domain, ac, &error);
5495 mono_error_raise_exception (&error); /* FIXME don't raise here */
5497 arr = mono_array_new_specific_checked (vtable, n, &error);
5498 mono_error_raise_exception (&error); /* FIXME don't raise here */
5504 * mono_array_new_specific:
5505 * @vtable: a vtable in the appropriate domain for an initialized class
5506 * @n: number of array elements
5508 * This routine is a fast alternative to mono_array_new() for code which
5509 * can be sure about the domain it operates in.
5512 mono_array_new_specific (MonoVTable *vtable, uintptr_t n)
5515 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5516 mono_error_raise_exception (&error); /* FIXME don't raise here */
5522 mono_array_new_specific_checked (MonoVTable *vtable, uintptr_t n, MonoError *error)
5524 MONO_REQ_GC_UNSAFE_MODE;
5529 mono_error_init (error);
5531 if (G_UNLIKELY (n > MONO_ARRAY_MAX_INDEX)) {
5532 mono_error_set_generic_error (error, "System", "OverflowException", "");
5536 if (!mono_array_calc_byte_len (vtable->klass, n, &byte_len)) {
5537 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5540 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, n);
5542 if (G_UNLIKELY (!o)) {
5543 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5547 return (MonoArray*)o;
5551 ves_icall_array_new_specific (MonoVTable *vtable, uintptr_t n)
5554 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5555 mono_error_raise_exception (&error);
5561 * mono_string_new_utf16:
5562 * @text: a pointer to an utf16 string
5563 * @len: the length of the string
5565 * Returns: A newly created string object which contains @text.
5568 mono_string_new_utf16 (MonoDomain *domain, const guint16 *text, gint32 len)
5570 MONO_REQ_GC_UNSAFE_MODE;
5573 MonoString *res = NULL;
5574 res = mono_string_new_utf16_checked (domain, text, len, &error);
5575 mono_error_raise_exception (&error);
5581 * mono_string_new_utf16_checked:
5582 * @text: a pointer to an utf16 string
5583 * @len: the length of the string
5584 * @error: written on error.
5586 * Returns: A newly created string object which contains @text.
5587 * On error, returns NULL and sets @error.
5590 mono_string_new_utf16_checked (MonoDomain *domain, const guint16 *text, gint32 len, MonoError *error)
5592 MONO_REQ_GC_UNSAFE_MODE;
5596 mono_error_init (error);
5598 s = mono_string_new_size_checked (domain, len, error);
5600 memcpy (mono_string_chars (s), text, len * 2);
5606 * mono_string_new_utf32:
5607 * @text: a pointer to an utf32 string
5608 * @len: the length of the string
5610 * Returns: A newly created string object which contains @text.
5613 mono_string_new_utf32 (MonoDomain *domain, const mono_unichar4 *text, gint32 len)
5615 MONO_REQ_GC_UNSAFE_MODE;
5619 mono_unichar2 *utf16_output = NULL;
5620 gint32 utf16_len = 0;
5621 GError *gerror = NULL;
5622 glong items_written;
5624 utf16_output = g_ucs4_to_utf16 (text, len, NULL, &items_written, &gerror);
5627 g_error_free (gerror);
5629 while (utf16_output [utf16_len]) utf16_len++;
5631 s = mono_string_new_size_checked (domain, utf16_len, &error);
5632 mono_error_raise_exception (&error); /* FIXME don't raise here */
5634 memcpy (mono_string_chars (s), utf16_output, utf16_len * 2);
5636 g_free (utf16_output);
5642 * mono_string_new_size:
5643 * @text: a pointer to an utf16 string
5644 * @len: the length of the string
5646 * Returns: A newly created string object of @len
5649 mono_string_new_size (MonoDomain *domain, gint32 len)
5652 MonoString *str = mono_string_new_size_checked (domain, len, &error);
5653 mono_error_raise_exception (&error);
5659 mono_string_new_size_checked (MonoDomain *domain, gint32 len, MonoError *error)
5661 MONO_REQ_GC_UNSAFE_MODE;
5667 mono_error_init (error);
5669 /* check for overflow */
5670 if (len < 0 || len > ((SIZE_MAX - G_STRUCT_OFFSET (MonoString, chars) - 8) / 2)) {
5671 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", -1);
5675 size = (G_STRUCT_OFFSET (MonoString, chars) + (((size_t)len + 1) * 2));
5676 g_assert (size > 0);
5678 vtable = mono_class_vtable (domain, mono_defaults.string_class);
5681 s = (MonoString *)mono_gc_alloc_string (vtable, size, len);
5683 if (G_UNLIKELY (!s)) {
5684 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5692 * mono_string_new_len:
5693 * @text: a pointer to an utf8 string
5694 * @length: number of bytes in @text to consider
5696 * Returns: A newly created string object which contains @text.
5699 mono_string_new_len (MonoDomain *domain, const char *text, guint length)
5701 MONO_REQ_GC_UNSAFE_MODE;
5704 GError *eg_error = NULL;
5705 MonoString *o = NULL;
5707 glong items_written;
5709 mono_error_init (&error);
5711 ut = eg_utf8_to_utf16_with_nuls (text, length, NULL, &items_written, &eg_error);
5714 o = mono_string_new_utf16_checked (domain, ut, items_written, &error);
5716 g_error_free (eg_error);
5720 mono_error_raise_exception (&error); /* FIXME don't raise here */
5726 * @text: a pointer to an utf8 string
5728 * Returns: A newly created string object which contains @text.
5730 * This function asserts if it cannot allocate a new string.
5732 * @deprecated Use mono_string_new_checked in new code.
5735 mono_string_new (MonoDomain *domain, const char *text)
5738 MonoString *res = NULL;
5739 res = mono_string_new_checked (domain, text, &error);
5740 mono_error_assert_ok (&error);
5745 * mono_string_new_checked:
5746 * @text: a pointer to an utf8 string
5747 * @merror: set on error
5749 * Returns: A newly created string object which contains @text.
5750 * On error returns NULL and sets @merror.
5753 mono_string_new_checked (MonoDomain *domain, const char *text, MonoError *error)
5755 MONO_REQ_GC_UNSAFE_MODE;
5757 GError *eg_error = NULL;
5758 MonoString *o = NULL;
5760 glong items_written;
5763 mono_error_init (error);
5767 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &eg_error);
5770 o = mono_string_new_utf16_checked (domain, ut, items_written, error);
5772 g_error_free (eg_error);
5775 mono_error_raise_exception (error);
5777 /*FIXME g_utf8_get_char, g_utf8_next_char and g_utf8_validate are not part of eglib.*/
5782 MonoString *o = NULL;
5784 if (!g_utf8_validate (text, -1, &end)) {
5785 mono_error_set_argument (error, "text", "Not a valid utf8 string");
5789 len = g_utf8_strlen (text, -1);
5790 o = mono_string_new_size_checked (domain, len, error);
5793 str = mono_string_chars (o);
5795 while (text < end) {
5796 *str++ = g_utf8_get_char (text);
5797 text = g_utf8_next_char (text);
5806 * mono_string_new_wrapper:
5807 * @text: pointer to utf8 characters.
5809 * Helper function to create a string object from @text in the current domain.
5812 mono_string_new_wrapper (const char *text)
5814 MONO_REQ_GC_UNSAFE_MODE;
5816 MonoDomain *domain = mono_domain_get ();
5819 return mono_string_new (domain, text);
5826 * @class: the class of the value
5827 * @value: a pointer to the unboxed data
5829 * Returns: A newly created object which contains @value.
5832 mono_value_box (MonoDomain *domain, MonoClass *klass, gpointer value)
5835 MonoObject *result = mono_value_box_checked (domain, klass, value, &error);
5836 mono_error_cleanup (&error);
5841 * mono_value_box_checked:
5842 * @domain: the domain of the new object
5843 * @class: the class of the value
5844 * @value: a pointer to the unboxed data
5845 * @error: set on error
5847 * Returns: A newly created object which contains @value. On failure
5848 * returns NULL and sets @error.
5851 mono_value_box_checked (MonoDomain *domain, MonoClass *klass, gpointer value, MonoError *error)
5853 MONO_REQ_GC_UNSAFE_MODE;
5858 mono_error_init (error);
5860 g_assert (klass->valuetype);
5861 if (mono_class_is_nullable (klass))
5862 return mono_nullable_box ((guint8 *)value, klass, error);
5864 vtable = mono_class_vtable (domain, klass);
5867 size = mono_class_instance_size (klass);
5868 res = mono_object_new_alloc_specific_checked (vtable, error);
5869 return_val_if_nok (error, NULL);
5871 size = size - sizeof (MonoObject);
5874 g_assert (size == mono_class_value_size (klass, NULL));
5875 mono_gc_wbarrier_value_copy ((char *)res + sizeof (MonoObject), value, 1, klass);
5877 #if NO_UNALIGNED_ACCESS
5878 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5882 *((guint8 *) res + sizeof (MonoObject)) = *(guint8 *) value;
5885 *(guint16 *)((guint8 *) res + sizeof (MonoObject)) = *(guint16 *) value;
5888 *(guint32 *)((guint8 *) res + sizeof (MonoObject)) = *(guint32 *) value;
5891 *(guint64 *)((guint8 *) res + sizeof (MonoObject)) = *(guint64 *) value;
5894 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5898 if (klass->has_finalize) {
5899 mono_object_register_finalizer (res, error);
5900 return_val_if_nok (error, NULL);
5907 * @dest: destination pointer
5908 * @src: source pointer
5909 * @klass: a valuetype class
5911 * Copy a valuetype from @src to @dest. This function must be used
5912 * when @klass contains references fields.
5915 mono_value_copy (gpointer dest, gpointer src, MonoClass *klass)
5917 MONO_REQ_GC_UNSAFE_MODE;
5919 mono_gc_wbarrier_value_copy (dest, src, 1, klass);
5923 * mono_value_copy_array:
5924 * @dest: destination array
5925 * @dest_idx: index in the @dest array
5926 * @src: source pointer
5927 * @count: number of items
5929 * Copy @count valuetype items from @src to the array @dest at index @dest_idx.
5930 * This function must be used when @klass contains references fields.
5931 * Overlap is handled.
5934 mono_value_copy_array (MonoArray *dest, int dest_idx, gpointer src, int count)
5936 MONO_REQ_GC_UNSAFE_MODE;
5938 int size = mono_array_element_size (dest->obj.vtable->klass);
5939 char *d = mono_array_addr_with_size_fast (dest, size, dest_idx);
5940 g_assert (size == mono_class_value_size (mono_object_class (dest)->element_class, NULL));
5941 mono_gc_wbarrier_value_copy (d, src, count, mono_object_class (dest)->element_class);
5945 * mono_object_get_domain:
5946 * @obj: object to query
5948 * Returns: the MonoDomain where the object is hosted
5951 mono_object_get_domain (MonoObject *obj)
5953 MONO_REQ_GC_UNSAFE_MODE;
5955 return mono_object_domain (obj);
5959 * mono_object_get_class:
5960 * @obj: object to query
5962 * Use this function to obtain the `MonoClass*` for a given `MonoObject`.
5964 * Returns: the MonoClass of the object.
5967 mono_object_get_class (MonoObject *obj)
5969 MONO_REQ_GC_UNSAFE_MODE;
5971 return mono_object_class (obj);
5974 * mono_object_get_size:
5975 * @o: object to query
5977 * Returns: the size, in bytes, of @o
5980 mono_object_get_size (MonoObject* o)
5982 MONO_REQ_GC_UNSAFE_MODE;
5984 MonoClass* klass = mono_object_class (o);
5985 if (klass == mono_defaults.string_class) {
5986 return sizeof (MonoString) + 2 * mono_string_length ((MonoString*) o) + 2;
5987 } else if (o->vtable->rank) {
5988 MonoArray *array = (MonoArray*)o;
5989 size_t size = MONO_SIZEOF_MONO_ARRAY + mono_array_element_size (klass) * mono_array_length (array);
5990 if (array->bounds) {
5993 size += sizeof (MonoArrayBounds) * o->vtable->rank;
5997 return mono_class_instance_size (klass);
6002 * mono_object_unbox:
6003 * @obj: object to unbox
6005 * Returns: a pointer to the start of the valuetype boxed in this
6008 * This method will assert if the object passed is not a valuetype.
6011 mono_object_unbox (MonoObject *obj)
6013 MONO_REQ_GC_UNSAFE_MODE;
6015 /* add assert for valuetypes? */
6016 g_assert (obj->vtable->klass->valuetype);
6017 return ((char*)obj) + sizeof (MonoObject);
6021 * mono_object_isinst:
6023 * @klass: a pointer to a class
6025 * Returns: @obj if @obj is derived from @klass or NULL otherwise.
6028 mono_object_isinst (MonoObject *obj, MonoClass *klass)
6030 MONO_REQ_GC_UNSAFE_MODE;
6033 MonoObject *result = mono_object_isinst_checked (obj, klass, &error);
6034 mono_error_cleanup (&error);
6040 * mono_object_isinst_checked:
6042 * @klass: a pointer to a class
6043 * @error: set on error
6045 * Returns: @obj if @obj is derived from @klass or NULL if it isn't.
6046 * On failure returns NULL and sets @error.
6049 mono_object_isinst_checked (MonoObject *obj, MonoClass *klass, MonoError *error)
6051 MONO_REQ_GC_UNSAFE_MODE;
6053 mono_error_init (error);
6055 MonoObject *result = NULL;
6058 mono_class_init (klass);
6060 if (mono_class_is_marshalbyref (klass) || (klass->flags & TYPE_ATTRIBUTE_INTERFACE)) {
6061 result = mono_object_isinst_mbyref_checked (obj, klass, error);
6068 return mono_class_is_assignable_from (klass, obj->vtable->klass) ? obj : NULL;
6072 mono_object_isinst_mbyref (MonoObject *obj, MonoClass *klass)
6074 MONO_REQ_GC_UNSAFE_MODE;
6077 MonoObject *result = mono_object_isinst_mbyref_checked (obj, klass, &error);
6078 mono_error_cleanup (&error); /* FIXME better API that doesn't swallow the error */
6083 mono_object_isinst_mbyref_checked (MonoObject *obj, MonoClass *klass, MonoError *error)
6085 MONO_REQ_GC_UNSAFE_MODE;
6089 mono_error_init (error);
6096 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
6097 if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id)) {
6101 /*If the above check fails we are in the slow path of possibly raising an exception. So it's ok to it this way.*/
6102 if (mono_class_has_variant_generic_params (klass) && mono_class_is_assignable_from (klass, obj->vtable->klass))
6105 MonoClass *oklass = vt->klass;
6106 if (mono_class_is_transparent_proxy (oklass))
6107 oklass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
6109 mono_class_setup_supertypes (klass);
6110 if ((oklass->idepth >= klass->idepth) && (oklass->supertypes [klass->idepth - 1] == klass))
6113 #ifndef DISABLE_REMOTING
6114 if (vt->klass == mono_defaults.transparent_proxy_class && ((MonoTransparentProxy *)obj)->custom_type_info)
6116 MonoDomain *domain = mono_domain_get ();
6118 MonoObject *rp = (MonoObject *)((MonoTransparentProxy *)obj)->rp;
6119 MonoClass *rpklass = mono_defaults.iremotingtypeinfo_class;
6120 MonoMethod *im = NULL;
6123 im = mono_class_get_method_from_name (rpklass, "CanCastTo", -1);
6125 mono_error_set_not_supported (error, "Linked away.");
6128 im = mono_object_get_virtual_method (rp, im);
6131 pa [0] = mono_type_get_object_checked (domain, &klass->byval_arg, error);
6132 return_val_if_nok (error, NULL);
6135 res = mono_runtime_invoke_checked (im, rp, pa, error);
6136 return_val_if_nok (error, NULL);
6138 if (*(MonoBoolean *) mono_object_unbox(res)) {
6139 /* Update the vtable of the remote type, so it can safely cast to this new type */
6140 mono_upgrade_remote_class (domain, obj, klass);
6144 #endif /* DISABLE_REMOTING */
6149 * mono_object_castclass_mbyref:
6151 * @klass: a pointer to a class
6153 * Returns: @obj if @obj is derived from @klass, returns NULL otherwise.
6156 mono_object_castclass_mbyref (MonoObject *obj, MonoClass *klass)
6158 MONO_REQ_GC_UNSAFE_MODE;
6161 if (!obj) return NULL;
6162 if (mono_object_isinst_mbyref_checked (obj, klass, &error)) return obj;
6163 mono_error_cleanup (&error);
6168 MonoDomain *orig_domain;
6174 str_lookup (MonoDomain *domain, gpointer user_data)
6176 MONO_REQ_GC_UNSAFE_MODE;
6178 LDStrInfo *info = (LDStrInfo *)user_data;
6179 if (info->res || domain == info->orig_domain)
6181 info->res = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, info->ins);
6185 mono_string_get_pinned (MonoString *str, MonoError *error)
6187 MONO_REQ_GC_UNSAFE_MODE;
6189 mono_error_init (error);
6191 /* We only need to make a pinned version of a string if this is a moving GC */
6192 if (!mono_gc_is_moving ())
6196 size = sizeof (MonoString) + 2 * (mono_string_length (str) + 1);
6197 news = (MonoString *)mono_gc_alloc_pinned_obj (((MonoObject*)str)->vtable, size);
6199 memcpy (mono_string_chars (news), mono_string_chars (str), mono_string_length (str) * 2);
6200 news->length = mono_string_length (str);
6202 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
6208 mono_string_is_interned_lookup (MonoString *str, int insert, MonoError *error)
6210 MONO_REQ_GC_UNSAFE_MODE;
6212 MonoGHashTable *ldstr_table;
6213 MonoString *s, *res;
6216 mono_error_init (error);
6218 domain = ((MonoObject *)str)->vtable->domain;
6219 ldstr_table = domain->ldstr_table;
6221 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
6227 /* Allocate outside the lock */
6229 s = mono_string_get_pinned (str, error);
6230 return_val_if_nok (error, NULL);
6233 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
6238 mono_g_hash_table_insert (ldstr_table, s, s);
6243 LDStrInfo ldstr_info;
6244 ldstr_info.orig_domain = domain;
6245 ldstr_info.ins = str;
6246 ldstr_info.res = NULL;
6248 mono_domain_foreach (str_lookup, &ldstr_info);
6249 if (ldstr_info.res) {
6251 * the string was already interned in some other domain:
6252 * intern it in the current one as well.
6254 mono_g_hash_table_insert (ldstr_table, str, str);
6264 * mono_string_is_interned:
6265 * @o: String to probe
6267 * Returns whether the string has been interned.
6270 mono_string_is_interned (MonoString *o)
6273 MonoString *result = mono_string_is_interned_lookup (o, FALSE, &error);
6274 /* This function does not fail. */
6275 mono_error_assert_ok (&error);
6280 * mono_string_intern:
6281 * @o: String to intern
6283 * Interns the string passed.
6284 * Returns: The interned string.
6287 mono_string_intern (MonoString *str)
6290 MonoString *result = mono_string_intern_checked (str, &error);
6291 mono_error_assert_ok (&error);
6296 * mono_string_intern_checked:
6297 * @o: String to intern
6298 * @error: set on error.
6300 * Interns the string passed.
6301 * Returns: The interned string. On failure returns NULL and sets @error
6304 mono_string_intern_checked (MonoString *str, MonoError *error)
6306 MONO_REQ_GC_UNSAFE_MODE;
6308 mono_error_init (error);
6310 return mono_string_is_interned_lookup (str, TRUE, error);
6315 * @domain: the domain where the string will be used.
6316 * @image: a metadata context
6317 * @idx: index into the user string table.
6319 * Implementation for the ldstr opcode.
6320 * Returns: a loaded string from the @image/@idx combination.
6323 mono_ldstr (MonoDomain *domain, MonoImage *image, guint32 idx)
6325 MONO_REQ_GC_UNSAFE_MODE;
6328 if (image->dynamic) {
6329 MonoString *str = (MonoString *)mono_lookup_dynamic_token (image, MONO_TOKEN_STRING | idx, NULL, &error);
6330 mono_error_raise_exception (&error); /* FIXME don't raise here */
6333 if (!mono_verifier_verify_string_signature (image, idx, NULL))
6334 return NULL; /*FIXME we should probably be raising an exception here*/
6335 return mono_ldstr_metadata_sig (domain, mono_metadata_user_string (image, idx));
6340 * mono_ldstr_metadata_sig
6341 * @domain: the domain for the string
6342 * @sig: the signature of a metadata string
6344 * Returns: a MonoString for a string stored in the metadata
6347 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig)
6349 MONO_REQ_GC_UNSAFE_MODE;
6352 const char *str = sig;
6353 MonoString *o, *interned;
6356 len2 = mono_metadata_decode_blob_size (str, &str);
6359 o = mono_string_new_utf16_checked (domain, (guint16*)str, len2, &error);
6360 mono_error_raise_exception (&error); /* FIXME don't raise here */
6361 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
6364 guint16 *p2 = (guint16*)mono_string_chars (o);
6365 for (i = 0; i < len2; ++i) {
6366 *p2 = GUINT16_FROM_LE (*p2);
6372 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
6375 return interned; /* o will get garbage collected */
6377 o = mono_string_get_pinned (o, &error);
6378 mono_error_raise_exception (&error); /* FIXME don't raise here */
6381 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
6383 mono_g_hash_table_insert (domain->ldstr_table, o, o);
6393 * mono_string_to_utf8:
6394 * @s: a System.String
6396 * Returns the UTF8 representation for @s.
6397 * The resulting buffer needs to be freed with mono_free().
6399 * @deprecated Use mono_string_to_utf8_checked to avoid having an exception arbritraly raised.
6402 mono_string_to_utf8 (MonoString *s)
6404 MONO_REQ_GC_UNSAFE_MODE;
6407 char *result = mono_string_to_utf8_checked (s, &error);
6409 if (!mono_error_ok (&error))
6410 mono_error_raise_exception (&error);
6415 * mono_string_to_utf8_checked:
6416 * @s: a System.String
6417 * @error: a MonoError.
6419 * Converts a MonoString to its UTF8 representation. May fail; check
6420 * @error to determine whether the conversion was successful.
6421 * The resulting buffer should be freed with mono_free().
6424 mono_string_to_utf8_checked (MonoString *s, MonoError *error)
6426 MONO_REQ_GC_UNSAFE_MODE;
6430 GError *gerror = NULL;
6432 mono_error_init (error);
6438 return g_strdup ("");
6440 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, &gerror);
6442 mono_error_set_argument (error, "string", "%s", gerror->message);
6443 g_error_free (gerror);
6446 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
6447 if (s->length > written) {
6448 /* allocate the total length and copy the part of the string that has been converted */
6449 char *as2 = (char *)g_malloc0 (s->length);
6450 memcpy (as2, as, written);
6459 * mono_string_to_utf8_ignore:
6462 * Converts a MonoString to its UTF8 representation. Will ignore
6463 * invalid surrogate pairs.
6464 * The resulting buffer should be freed with mono_free().
6468 mono_string_to_utf8_ignore (MonoString *s)
6470 MONO_REQ_GC_UNSAFE_MODE;
6479 return g_strdup ("");
6481 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, NULL);
6483 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
6484 if (s->length > written) {
6485 /* allocate the total length and copy the part of the string that has been converted */
6486 char *as2 = (char *)g_malloc0 (s->length);
6487 memcpy (as2, as, written);
6496 * mono_string_to_utf8_image_ignore:
6497 * @s: a System.String
6499 * Same as mono_string_to_utf8_ignore, but allocate the string from the image mempool.
6502 mono_string_to_utf8_image_ignore (MonoImage *image, MonoString *s)
6504 MONO_REQ_GC_UNSAFE_MODE;
6506 return mono_string_to_utf8_internal (NULL, image, s, TRUE, NULL);
6510 * mono_string_to_utf8_mp_ignore:
6511 * @s: a System.String
6513 * Same as mono_string_to_utf8_ignore, but allocate the string from a mempool.
6516 mono_string_to_utf8_mp_ignore (MonoMemPool *mp, MonoString *s)
6518 MONO_REQ_GC_UNSAFE_MODE;
6520 return mono_string_to_utf8_internal (mp, NULL, s, TRUE, NULL);
6525 * mono_string_to_utf16:
6528 * Return an null-terminated array of the utf-16 chars
6529 * contained in @s. The result must be freed with g_free().
6530 * This is a temporary helper until our string implementation
6531 * is reworked to always include the null terminating char.
6534 mono_string_to_utf16 (MonoString *s)
6536 MONO_REQ_GC_UNSAFE_MODE;
6543 as = (char *)g_malloc ((s->length * 2) + 2);
6544 as [(s->length * 2)] = '\0';
6545 as [(s->length * 2) + 1] = '\0';
6548 return (gunichar2 *)(as);
6551 memcpy (as, mono_string_chars(s), s->length * 2);
6552 return (gunichar2 *)(as);
6556 * mono_string_to_utf32:
6559 * Return an null-terminated array of the UTF-32 (UCS-4) chars
6560 * contained in @s. The result must be freed with g_free().
6563 mono_string_to_utf32 (MonoString *s)
6565 MONO_REQ_GC_UNSAFE_MODE;
6567 mono_unichar4 *utf32_output = NULL;
6568 GError *error = NULL;
6569 glong items_written;
6574 utf32_output = g_utf16_to_ucs4 (s->chars, s->length, NULL, &items_written, &error);
6577 g_error_free (error);
6579 return utf32_output;
6583 * mono_string_from_utf16:
6584 * @data: the UTF16 string (LPWSTR) to convert
6586 * Converts a NULL terminated UTF16 string (LPWSTR) to a MonoString.
6588 * Returns: a MonoString.
6591 mono_string_from_utf16 (gunichar2 *data)
6593 MONO_REQ_GC_UNSAFE_MODE;
6596 MonoString *res = NULL;
6597 MonoDomain *domain = mono_domain_get ();
6603 while (data [len]) len++;
6605 res = mono_string_new_utf16_checked (domain, data, len, &error);
6606 mono_error_raise_exception (&error); /* FIXME don't raise here */
6611 * mono_string_from_utf32:
6612 * @data: the UTF32 string (LPWSTR) to convert
6614 * Converts a UTF32 (UCS-4)to a MonoString.
6616 * Returns: a MonoString.
6619 mono_string_from_utf32 (mono_unichar4 *data)
6621 MONO_REQ_GC_UNSAFE_MODE;
6623 MonoString* result = NULL;
6624 mono_unichar2 *utf16_output = NULL;
6625 GError *error = NULL;
6626 glong items_written;
6632 while (data [len]) len++;
6634 utf16_output = g_ucs4_to_utf16 (data, len, NULL, &items_written, &error);
6637 g_error_free (error);
6639 result = mono_string_from_utf16 (utf16_output);
6640 g_free (utf16_output);
6645 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error)
6647 MONO_REQ_GC_UNSAFE_MODE;
6654 r = mono_string_to_utf8_ignore (s);
6656 r = mono_string_to_utf8_checked (s, error);
6657 if (!mono_error_ok (error))
6664 len = strlen (r) + 1;
6666 mp_s = (char *)mono_mempool_alloc (mp, len);
6668 mp_s = (char *)mono_image_alloc (image, len);
6670 memcpy (mp_s, r, len);
6678 * mono_string_to_utf8_image:
6679 * @s: a System.String
6681 * Same as mono_string_to_utf8, but allocate the string from the image mempool.
6684 mono_string_to_utf8_image (MonoImage *image, MonoString *s, MonoError *error)
6686 MONO_REQ_GC_UNSAFE_MODE;
6688 return mono_string_to_utf8_internal (NULL, image, s, FALSE, error);
6692 * mono_string_to_utf8_mp:
6693 * @s: a System.String
6695 * Same as mono_string_to_utf8, but allocate the string from a mempool.
6698 mono_string_to_utf8_mp (MonoMemPool *mp, MonoString *s, MonoError *error)
6700 MONO_REQ_GC_UNSAFE_MODE;
6702 return mono_string_to_utf8_internal (mp, NULL, s, FALSE, error);
6706 static MonoRuntimeExceptionHandlingCallbacks eh_callbacks;
6709 mono_install_eh_callbacks (MonoRuntimeExceptionHandlingCallbacks *cbs)
6711 eh_callbacks = *cbs;
6714 MonoRuntimeExceptionHandlingCallbacks *
6715 mono_get_eh_callbacks (void)
6717 return &eh_callbacks;
6721 * mono_raise_exception:
6722 * @ex: exception object
6724 * Signal the runtime that the exception @ex has been raised in unmanaged code.
6727 mono_raise_exception (MonoException *ex)
6729 MONO_REQ_GC_UNSAFE_MODE;
6732 * NOTE: Do NOT annotate this function with G_GNUC_NORETURN, since
6733 * that will cause gcc to omit the function epilog, causing problems when
6734 * the JIT tries to walk the stack, since the return address on the stack
6735 * will point into the next function in the executable, not this one.
6737 eh_callbacks.mono_raise_exception (ex);
6741 mono_raise_exception_with_context (MonoException *ex, MonoContext *ctx)
6743 MONO_REQ_GC_UNSAFE_MODE;
6745 eh_callbacks.mono_raise_exception_with_ctx (ex, ctx);
6749 * mono_wait_handle_new:
6750 * @domain: Domain where the object will be created
6751 * @handle: Handle for the wait handle
6753 * Returns: A new MonoWaitHandle created in the given domain for the given handle
6756 mono_wait_handle_new (MonoDomain *domain, HANDLE handle)
6758 MONO_REQ_GC_UNSAFE_MODE;
6761 MonoWaitHandle *res;
6762 gpointer params [1];
6763 static MonoMethod *handle_set;
6765 res = (MonoWaitHandle *)mono_object_new_checked (domain, mono_defaults.manualresetevent_class, &error);
6766 mono_error_raise_exception (&error); /* FIXME don't raise here */
6768 /* Even though this method is virtual, it's safe to invoke directly, since the object type matches. */
6770 handle_set = mono_class_get_property_from_name (mono_defaults.manualresetevent_class, "Handle")->set;
6772 params [0] = &handle;
6774 mono_runtime_invoke_checked (handle_set, res, params, &error);
6775 mono_error_raise_exception (&error); /* FIXME don't raise here */
6781 mono_wait_handle_get_handle (MonoWaitHandle *handle)
6783 MONO_REQ_GC_UNSAFE_MODE;
6785 static MonoClassField *f_safe_handle = NULL;
6788 if (!f_safe_handle) {
6789 f_safe_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "safeWaitHandle");
6790 g_assert (f_safe_handle);
6793 mono_field_get_value ((MonoObject*)handle, f_safe_handle, &sh);
6799 mono_runtime_capture_context (MonoDomain *domain)
6801 MONO_REQ_GC_UNSAFE_MODE;
6803 RuntimeInvokeFunction runtime_invoke;
6805 if (!domain->capture_context_runtime_invoke || !domain->capture_context_method) {
6806 MonoMethod *method = mono_get_context_capture_method ();
6807 MonoMethod *wrapper;
6810 wrapper = mono_marshal_get_runtime_invoke (method, FALSE);
6811 domain->capture_context_runtime_invoke = mono_compile_method (wrapper);
6812 domain->capture_context_method = mono_compile_method (method);
6815 runtime_invoke = (RuntimeInvokeFunction)domain->capture_context_runtime_invoke;
6817 return runtime_invoke (NULL, NULL, NULL, domain->capture_context_method);
6820 * mono_async_result_new:
6821 * @domain:domain where the object will be created.
6822 * @handle: wait handle.
6823 * @state: state to pass to AsyncResult
6824 * @data: C closure data.
6826 * Creates a new MonoAsyncResult (AsyncResult C# class) in the given domain.
6827 * If the handle is not null, the handle is initialized to a MonOWaitHandle.
6831 mono_async_result_new (MonoDomain *domain, HANDLE handle, MonoObject *state, gpointer data, MonoObject *object_data)
6833 MONO_REQ_GC_UNSAFE_MODE;
6836 MonoAsyncResult *res = (MonoAsyncResult *)mono_object_new_checked (domain, mono_defaults.asyncresult_class, &error);
6837 mono_error_raise_exception (&error); /* FIXME don't raise here */
6838 MonoObject *context = mono_runtime_capture_context (domain);
6839 /* we must capture the execution context from the original thread */
6841 MONO_OBJECT_SETREF (res, execution_context, context);
6842 /* note: result may be null if the flow is suppressed */
6845 res->data = (void **)data;
6846 MONO_OBJECT_SETREF (res, object_data, object_data);
6847 MONO_OBJECT_SETREF (res, async_state, state);
6849 MONO_OBJECT_SETREF (res, handle, (MonoObject *) mono_wait_handle_new (domain, handle));
6851 res->sync_completed = FALSE;
6852 res->completed = FALSE;
6858 ves_icall_System_Runtime_Remoting_Messaging_AsyncResult_Invoke (MonoAsyncResult *ares)
6860 MONO_REQ_GC_UNSAFE_MODE;
6867 g_assert (ares->async_delegate);
6869 ac = (MonoAsyncCall*) ares->object_data;
6871 res = mono_runtime_delegate_invoke (ares->async_delegate, (void**) &ares->async_state, NULL);
6873 gpointer wait_event = NULL;
6875 ac->msg->exc = NULL;
6876 res = mono_message_invoke (ares->async_delegate, ac->msg, &ac->msg->exc, &ac->out_args);
6877 MONO_OBJECT_SETREF (ac, res, res);
6879 mono_monitor_enter ((MonoObject*) ares);
6880 ares->completed = 1;
6882 wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
6883 mono_monitor_exit ((MonoObject*) ares);
6885 if (wait_event != NULL)
6886 SetEvent (wait_event);
6888 if (ac->cb_method) {
6889 mono_runtime_invoke_checked (ac->cb_method, ac->cb_target, (gpointer*) &ares, &error);
6890 mono_error_raise_exception (&error);
6898 mono_message_init (MonoDomain *domain,
6899 MonoMethodMessage *this_obj,
6900 MonoReflectionMethod *method,
6901 MonoArray *out_args)
6903 MONO_REQ_GC_UNSAFE_MODE;
6905 static MonoClass *object_array_klass;
6906 static MonoClass *byte_array_klass;
6907 static MonoClass *string_array_klass;
6909 MonoMethodSignature *sig = mono_method_signature (method->method);
6916 if (!object_array_klass) {
6919 klass = mono_array_class_get (mono_defaults.byte_class, 1);
6921 byte_array_klass = klass;
6923 klass = mono_array_class_get (mono_defaults.string_class, 1);
6925 string_array_klass = klass;
6927 klass = mono_array_class_get (mono_defaults.object_class, 1);
6930 mono_atomic_store_release (&object_array_klass, klass);
6933 MONO_OBJECT_SETREF (this_obj, method, method);
6935 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), sig->param_count, &error);
6936 mono_error_raise_exception (&error); /* FIXME don't raise here */
6938 MONO_OBJECT_SETREF (this_obj, args, arr);
6940 arr = mono_array_new_specific_checked (mono_class_vtable (domain, byte_array_klass), sig->param_count, &error);
6941 mono_error_raise_exception (&error); /* FIXME don't raise here */
6943 MONO_OBJECT_SETREF (this_obj, arg_types, arr);
6945 this_obj->async_result = NULL;
6946 this_obj->call_type = CallType_Sync;
6948 names = g_new (char *, sig->param_count);
6949 mono_method_get_param_names (method->method, (const char **) names);
6951 arr = mono_array_new_specific_checked (mono_class_vtable (domain, string_array_klass), sig->param_count, &error);
6952 mono_error_raise_exception (&error); /* FIXME don't raise here */
6954 MONO_OBJECT_SETREF (this_obj, names, arr);
6956 for (i = 0; i < sig->param_count; i++) {
6957 name = mono_string_new (domain, names [i]);
6958 mono_array_setref (this_obj->names, i, name);
6962 for (i = 0, j = 0; i < sig->param_count; i++) {
6963 if (sig->params [i]->byref) {
6965 MonoObject* arg = (MonoObject *)mono_array_get (out_args, gpointer, j);
6966 mono_array_setref (this_obj->args, i, arg);
6970 if (!(sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT))
6974 if (sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT)
6977 mono_array_set (this_obj->arg_types, guint8, i, arg_type);
6981 #ifndef DISABLE_REMOTING
6983 * mono_remoting_invoke:
6984 * @real_proxy: pointer to a RealProxy object
6985 * @msg: The MonoMethodMessage to execute
6986 * @exc: used to store exceptions
6987 * @out_args: used to store output arguments
6989 * This is used to call RealProxy::Invoke(). RealProxy::Invoke() returns an
6990 * IMessage interface and it is not trivial to extract results from there. So
6991 * we call an helper method PrivateInvoke instead of calling
6992 * RealProxy::Invoke() directly.
6994 * Returns: the result object.
6997 mono_remoting_invoke (MonoObject *real_proxy, MonoMethodMessage *msg, MonoObject **exc, MonoArray **out_args, MonoError *error)
6999 MONO_REQ_GC_UNSAFE_MODE;
7002 MonoMethod *im = real_proxy->vtable->domain->private_invoke_method;
7007 mono_error_init (error);
7009 /*static MonoObject *(*invoke) (gpointer, gpointer, MonoObject **, MonoArray **) = NULL;*/
7012 im = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "PrivateInvoke", 4);
7014 mono_error_set_not_supported (error, "Linked away.");
7017 real_proxy->vtable->domain->private_invoke_method = im;
7020 pa [0] = real_proxy;
7025 o = mono_runtime_try_invoke (im, NULL, pa, exc, error);
7026 return_val_if_nok (error, NULL);
7033 mono_message_invoke (MonoObject *target, MonoMethodMessage *msg,
7034 MonoObject **exc, MonoArray **out_args)
7036 MONO_REQ_GC_UNSAFE_MODE;
7038 static MonoClass *object_array_klass;
7042 MonoMethodSignature *sig;
7045 int i, j, outarg_count = 0;
7047 #ifndef DISABLE_REMOTING
7048 if (target && mono_object_is_transparent_proxy (target)) {
7049 MonoTransparentProxy* tp = (MonoTransparentProxy *)target;
7050 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7051 target = tp->rp->unwrapped_server;
7053 ret = mono_remoting_invoke ((MonoObject *)tp->rp, msg, exc, out_args, &error);
7054 mono_error_raise_exception (&error); /* FIXME don't raise here */
7061 domain = mono_domain_get ();
7062 method = msg->method->method;
7063 sig = mono_method_signature (method);
7065 for (i = 0; i < sig->param_count; i++) {
7066 if (sig->params [i]->byref)
7070 if (!object_array_klass) {
7073 klass = mono_array_class_get (mono_defaults.object_class, 1);
7076 mono_memory_barrier ();
7077 object_array_klass = klass;
7080 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), outarg_count, &error);
7081 mono_error_raise_exception (&error); /* FIXME don't raise here */
7083 mono_gc_wbarrier_generic_store (out_args, (MonoObject*) arr);
7086 ret = mono_runtime_invoke_array (method, method->klass->valuetype? mono_object_unbox (target): target, msg->args, exc);
7088 for (i = 0, j = 0; i < sig->param_count; i++) {
7089 if (sig->params [i]->byref) {
7091 arg = (MonoObject *)mono_array_get (msg->args, gpointer, i);
7092 mono_array_setref (*out_args, j, arg);
7101 * mono_object_to_string:
7103 * @exc: Any exception thrown by ToString (). May be NULL.
7105 * Returns: the result of calling ToString () on an object.
7108 mono_object_to_string (MonoObject *obj, MonoObject **exc)
7110 MONO_REQ_GC_UNSAFE_MODE;
7112 static MonoMethod *to_string = NULL;
7121 to_string = mono_class_get_method_from_name_flags (mono_get_object_class (), "ToString", 0, METHOD_ATTRIBUTE_VIRTUAL | METHOD_ATTRIBUTE_PUBLIC);
7123 method = mono_object_get_virtual_method (obj, to_string);
7125 // Unbox value type if needed
7126 if (mono_class_is_valuetype (mono_method_get_class (method))) {
7127 target = mono_object_unbox (obj);
7131 s = (MonoString *) mono_runtime_try_invoke (method, target, NULL, exc, &error);
7132 if (*exc == NULL && !mono_error_ok (&error))
7133 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
7135 mono_error_cleanup (&error);
7137 s = (MonoString *) mono_runtime_invoke_checked (method, target, NULL, &error);
7138 mono_error_raise_exception (&error); /* FIXME don't raise here */
7145 * mono_print_unhandled_exception:
7146 * @exc: The exception
7148 * Prints the unhandled exception.
7151 mono_print_unhandled_exception (MonoObject *exc)
7153 MONO_REQ_GC_UNSAFE_MODE;
7156 char *message = (char*)"";
7157 gboolean free_message = FALSE;
7160 if (exc == (MonoObject*)mono_object_domain (exc)->out_of_memory_ex) {
7161 message = g_strdup ("OutOfMemoryException");
7162 free_message = TRUE;
7163 } else if (exc == (MonoObject*)mono_object_domain (exc)->stack_overflow_ex) {
7164 message = g_strdup ("StackOverflowException"); //if we OVF, we can't expect to have stack space to JIT Exception::ToString.
7165 free_message = TRUE;
7168 if (((MonoException*)exc)->native_trace_ips) {
7169 message = mono_exception_get_native_backtrace ((MonoException*)exc);
7170 free_message = TRUE;
7172 MonoObject *other_exc = NULL;
7173 str = mono_object_to_string (exc, &other_exc);
7175 char *original_backtrace = mono_exception_get_managed_backtrace ((MonoException*)exc);
7176 char *nested_backtrace = mono_exception_get_managed_backtrace ((MonoException*)other_exc);
7178 message = g_strdup_printf ("Nested exception detected.\nOriginal Exception: %s\nNested exception:%s\n",
7179 original_backtrace, nested_backtrace);
7181 g_free (original_backtrace);
7182 g_free (nested_backtrace);
7183 free_message = TRUE;
7185 message = mono_string_to_utf8_checked (str, &error);
7186 if (!mono_error_ok (&error)) {
7187 mono_error_cleanup (&error);
7188 message = (char *) "";
7190 free_message = TRUE;
7197 * g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
7198 * exc->vtable->klass->name, message);
7200 g_printerr ("\nUnhandled Exception:\n%s\n", message);
7207 * mono_delegate_ctor:
7208 * @this: pointer to an uninitialized delegate object
7209 * @target: target object
7210 * @addr: pointer to native code
7213 * Initialize a delegate and sets a specific method, not the one
7214 * associated with addr. This is useful when sharing generic code.
7215 * In that case addr will most probably not be associated with the
7216 * correct instantiation of the method.
7219 mono_delegate_ctor_with_method (MonoObject *this_obj, MonoObject *target, gpointer addr, MonoMethod *method)
7221 MONO_REQ_GC_UNSAFE_MODE;
7223 MonoDelegate *delegate = (MonoDelegate *)this_obj;
7225 g_assert (this_obj);
7228 g_assert (mono_class_has_parent (mono_object_class (this_obj), mono_defaults.multicastdelegate_class));
7231 delegate->method = method;
7233 mono_stats.delegate_creations++;
7235 #ifndef DISABLE_REMOTING
7236 if (target && target->vtable->klass == mono_defaults.transparent_proxy_class) {
7238 method = mono_marshal_get_remoting_invoke (method);
7239 delegate->method_ptr = mono_compile_method (method);
7240 MONO_OBJECT_SETREF (delegate, target, target);
7244 delegate->method_ptr = addr;
7245 MONO_OBJECT_SETREF (delegate, target, target);
7248 delegate->invoke_impl = arch_create_delegate_trampoline (delegate->object.vtable->domain, delegate->object.vtable->klass);
7249 if (callbacks.init_delegate)
7250 callbacks.init_delegate (delegate);
7254 * mono_delegate_ctor:
7255 * @this: pointer to an uninitialized delegate object
7256 * @target: target object
7257 * @addr: pointer to native code
7259 * This is used to initialize a delegate.
7262 mono_delegate_ctor (MonoObject *this_obj, MonoObject *target, gpointer addr)
7264 MONO_REQ_GC_UNSAFE_MODE;
7266 MonoDomain *domain = mono_domain_get ();
7268 MonoMethod *method = NULL;
7272 ji = mono_jit_info_table_find (domain, (char *)mono_get_addr_from_ftnptr (addr));
7274 if (!ji && domain != mono_get_root_domain ())
7275 ji = mono_jit_info_table_find (mono_get_root_domain (), (char *)mono_get_addr_from_ftnptr (addr));
7277 method = mono_jit_info_get_method (ji);
7278 g_assert (!method->klass->generic_container);
7281 mono_delegate_ctor_with_method (this_obj, target, addr, method);
7285 * mono_method_call_message_new:
7286 * @method: method to encapsulate
7287 * @params: parameters to the method
7288 * @invoke: optional, delegate invoke.
7289 * @cb: async callback delegate.
7290 * @state: state passed to the async callback.
7292 * Translates arguments pointers into a MonoMethodMessage.
7295 mono_method_call_message_new (MonoMethod *method, gpointer *params, MonoMethod *invoke,
7296 MonoDelegate **cb, MonoObject **state)
7298 MONO_REQ_GC_UNSAFE_MODE;
7302 MonoDomain *domain = mono_domain_get ();
7303 MonoMethodSignature *sig = mono_method_signature (method);
7304 MonoMethodMessage *msg;
7307 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, &error);
7308 mono_error_raise_exception (&error); /* FIXME don't raise here */
7311 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, invoke, NULL, &error);
7312 mono_error_raise_exception (&error); /* FIXME don't raise here */
7313 mono_message_init (domain, msg, rm, NULL);
7314 count = sig->param_count - 2;
7316 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, method, NULL, &error);
7317 mono_error_raise_exception (&error); /* FIXME don't raise here */
7318 mono_message_init (domain, msg, rm, NULL);
7319 count = sig->param_count;
7322 for (i = 0; i < count; i++) {
7327 if (sig->params [i]->byref)
7328 vpos = *((gpointer *)params [i]);
7332 klass = mono_class_from_mono_type (sig->params [i]);
7334 if (klass->valuetype) {
7335 arg = mono_value_box_checked (domain, klass, vpos, &error);
7336 mono_error_raise_exception (&error); /* FIXME don't raise here */
7338 arg = *((MonoObject **)vpos);
7340 mono_array_setref (msg->args, i, arg);
7343 if (cb != NULL && state != NULL) {
7344 *cb = *((MonoDelegate **)params [i]);
7346 *state = *((MonoObject **)params [i]);
7353 * mono_method_return_message_restore:
7355 * Restore results from message based processing back to arguments pointers
7358 mono_method_return_message_restore (MonoMethod *method, gpointer *params, MonoArray *out_args, MonoError *error)
7360 MONO_REQ_GC_UNSAFE_MODE;
7362 mono_error_init (error);
7364 MonoMethodSignature *sig = mono_method_signature (method);
7365 int i, j, type, size, out_len;
7367 if (out_args == NULL)
7369 out_len = mono_array_length (out_args);
7373 for (i = 0, j = 0; i < sig->param_count; i++) {
7374 MonoType *pt = sig->params [i];
7379 mono_error_set_execution_engine (error, "The proxy call returned an incorrect number of output arguments");
7383 arg = (char *)mono_array_get (out_args, gpointer, j);
7386 g_assert (type != MONO_TYPE_VOID);
7388 if (MONO_TYPE_IS_REFERENCE (pt)) {
7389 mono_gc_wbarrier_generic_store (*((MonoObject ***)params [i]), (MonoObject *)arg);
7392 MonoClass *klass = ((MonoObject*)arg)->vtable->klass;
7393 size = mono_class_value_size (klass, NULL);
7394 if (klass->has_references)
7395 mono_gc_wbarrier_value_copy (*((gpointer *)params [i]), arg + sizeof (MonoObject), 1, klass);
7397 mono_gc_memmove_atomic (*((gpointer *)params [i]), arg + sizeof (MonoObject), size);
7399 size = mono_class_value_size (mono_class_from_mono_type (pt), NULL);
7400 mono_gc_bzero_atomic (*((gpointer *)params [i]), size);
7409 #ifndef DISABLE_REMOTING
7412 * mono_load_remote_field:
7413 * @this: pointer to an object
7414 * @klass: klass of the object containing @field
7415 * @field: the field to load
7416 * @res: a storage to store the result
7418 * This method is called by the runtime on attempts to load fields of
7419 * transparent proxy objects. @this points to such TP, @klass is the class of
7420 * the object containing @field. @res is a storage location which can be
7421 * used to store the result.
7423 * Returns: an address pointing to the value of field.
7426 mono_load_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res)
7429 gpointer result = mono_load_remote_field_checked (this_obj, klass, field, res, &error);
7430 mono_error_cleanup (&error);
7435 * mono_load_remote_field_checked:
7436 * @this: pointer to an object
7437 * @klass: klass of the object containing @field
7438 * @field: the field to load
7439 * @res: a storage to store the result
7440 * @error: set on error
7442 * This method is called by the runtime on attempts to load fields of
7443 * transparent proxy objects. @this points to such TP, @klass is the class of
7444 * the object containing @field. @res is a storage location which can be
7445 * used to store the result.
7447 * Returns: an address pointing to the value of field. On failure returns NULL and sets @error.
7450 mono_load_remote_field_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res, MonoError *error)
7452 MONO_REQ_GC_UNSAFE_MODE;
7454 static MonoMethod *getter = NULL;
7456 mono_error_init (error);
7458 MonoDomain *domain = mono_domain_get ();
7459 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7460 MonoClass *field_class;
7461 MonoMethodMessage *msg;
7462 MonoArray *out_args;
7466 g_assert (mono_object_is_transparent_proxy (this_obj));
7467 g_assert (res != NULL);
7469 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7470 mono_field_get_value (tp->rp->unwrapped_server, field, res);
7475 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
7477 mono_error_set_not_supported (error, "Linked away.");
7482 field_class = mono_class_from_mono_type (field->type);
7484 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7485 return_val_if_nok (error, NULL);
7486 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
7487 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, getter, NULL, error);
7488 return_val_if_nok (error, NULL);
7489 mono_message_init (domain, msg, rm, out_args);
7491 full_name = mono_type_get_full_name (klass);
7492 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7493 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7496 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7497 return_val_if_nok (error, NULL);
7500 mono_error_set_exception_instance (error, (MonoException *)exc);
7504 if (mono_array_length (out_args) == 0)
7507 mono_gc_wbarrier_generic_store (res, mono_array_get (out_args, MonoObject *, 0));
7509 if (field_class->valuetype) {
7510 return ((char *)*res) + sizeof (MonoObject);
7516 * mono_load_remote_field_new:
7521 * Missing documentation.
7524 mono_load_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
7528 MonoObject *result = mono_load_remote_field_new_checked (this_obj, klass, field, &error);
7529 mono_error_cleanup (&error);
7534 * mono_load_remote_field_new_icall:
7535 * @this: pointer to an object
7536 * @klass: klass of the object containing @field
7537 * @field: the field to load
7539 * This method is called by the runtime on attempts to load fields of
7540 * transparent proxy objects. @this points to such TP, @klass is the class of
7541 * the object containing @field.
7543 * Returns: a freshly allocated object containing the value of the
7544 * field. On failure returns NULL and throws an exception.
7547 mono_load_remote_field_new_icall (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
7550 MonoObject *result = mono_load_remote_field_new_checked (this_obj, klass, field, &error);
7551 mono_error_set_pending_exception (&error);
7556 * mono_load_remote_field_new_checked:
7557 * @this: pointer to an object
7558 * @klass: klass of the object containing @field
7559 * @field: the field to load
7560 * @error: set on error.
7562 * This method is called by the runtime on attempts to load fields of
7563 * transparent proxy objects. @this points to such TP, @klass is the class of
7564 * the object containing @field.
7566 * Returns: a freshly allocated object containing the value of the field. On failure returns NULL and sets @error.
7569 mono_load_remote_field_new_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoError *error)
7571 MONO_REQ_GC_UNSAFE_MODE;
7573 mono_error_init (error);
7575 static MonoMethod *getter = NULL;
7576 MonoDomain *domain = mono_domain_get ();
7577 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7578 MonoClass *field_class;
7579 MonoMethodMessage *msg;
7580 MonoArray *out_args;
7581 MonoObject *exc, *res;
7584 g_assert (mono_object_is_transparent_proxy (this_obj));
7586 field_class = mono_class_from_mono_type (field->type);
7588 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7590 if (field_class->valuetype) {
7591 res = mono_object_new_checked (domain, field_class, error);
7592 return_val_if_nok (error, NULL);
7593 val = ((gchar *) res) + sizeof (MonoObject);
7597 mono_field_get_value (tp->rp->unwrapped_server, field, val);
7602 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
7604 mono_error_set_not_supported (error, "Linked away.");
7609 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7610 return_val_if_nok (error, NULL);
7611 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
7613 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, getter, NULL, error);
7614 return_val_if_nok (error, NULL);
7615 mono_message_init (domain, msg, rm, out_args);
7617 full_name = mono_type_get_full_name (klass);
7618 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7619 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7622 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7623 return_val_if_nok (error, NULL);
7626 mono_error_set_exception_instance (error, (MonoException *)exc);
7630 if (mono_array_length (out_args) == 0)
7633 res = mono_array_get (out_args, MonoObject *, 0);
7639 * mono_store_remote_field:
7640 * @this_obj: pointer to an object
7641 * @klass: klass of the object containing @field
7642 * @field: the field to load
7643 * @val: the value/object to store
7645 * This method is called by the runtime on attempts to store fields of
7646 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
7647 * the object containing @field. @val is the new value to store in @field.
7650 mono_store_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val)
7653 (void) mono_store_remote_field_checked (this_obj, klass, field, val, &error);
7654 mono_error_cleanup (&error);
7658 * mono_store_remote_field_checked:
7659 * @this_obj: pointer to an object
7660 * @klass: klass of the object containing @field
7661 * @field: the field to load
7662 * @val: the value/object to store
7663 * @error: set on error
7665 * This method is called by the runtime on attempts to store fields of
7666 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
7667 * the object containing @field. @val is the new value to store in @field.
7669 * Returns: on success returns TRUE, on failure returns FALSE and sets @error.
7672 mono_store_remote_field_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val, MonoError *error)
7675 MONO_REQ_GC_UNSAFE_MODE;
7677 static MonoMethod *setter = NULL;
7679 MonoDomain *domain = mono_domain_get ();
7680 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7681 MonoClass *field_class;
7682 MonoMethodMessage *msg;
7683 MonoArray *out_args;
7688 mono_error_init (error);
7690 g_assert (mono_object_is_transparent_proxy (this_obj));
7692 field_class = mono_class_from_mono_type (field->type);
7694 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7695 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, val);
7696 else mono_field_set_value (tp->rp->unwrapped_server, field, *((MonoObject **)val));
7701 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7703 mono_error_set_not_supported (error, "Linked away.");
7708 if (field_class->valuetype) {
7709 arg = mono_value_box_checked (domain, field_class, val, error);
7710 return_val_if_nok (error, FALSE);
7712 arg = *((MonoObject **)val);
7715 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7716 return_val_if_nok (error, FALSE);
7717 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, setter, NULL, error);
7718 return_val_if_nok (error, FALSE);
7719 mono_message_init (domain, msg, rm, NULL);
7721 full_name = mono_type_get_full_name (klass);
7722 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7723 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7724 mono_array_setref (msg->args, 2, arg);
7727 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7728 return_val_if_nok (error, FALSE);
7731 mono_error_set_exception_instance (error, (MonoException *)exc);
7738 * mono_store_remote_field_new:
7744 * Missing documentation
7747 mono_store_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7750 (void) mono_store_remote_field_new_checked (this_obj, klass, field, arg, &error);
7751 mono_error_cleanup (&error);
7755 * mono_store_remote_field_new_icall:
7761 * Missing documentation
7764 mono_store_remote_field_new_icall (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7767 (void) mono_store_remote_field_new_checked (this_obj, klass, field, arg, &error);
7768 mono_error_set_pending_exception (&error);
7772 * mono_store_remote_field_new_checked:
7779 * Missing documentation
7782 mono_store_remote_field_new_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg, MonoError *error)
7784 MONO_REQ_GC_UNSAFE_MODE;
7786 static MonoMethod *setter = NULL;
7787 MonoDomain *domain = mono_domain_get ();
7788 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7789 MonoClass *field_class;
7790 MonoMethodMessage *msg;
7791 MonoArray *out_args;
7795 mono_error_init (error);
7797 g_assert (mono_object_is_transparent_proxy (this_obj));
7799 field_class = mono_class_from_mono_type (field->type);
7801 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7802 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, ((gchar *) arg) + sizeof (MonoObject));
7803 else mono_field_set_value (tp->rp->unwrapped_server, field, arg);
7808 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7810 mono_error_set_not_supported (error, "Linked away.");
7815 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7816 return_val_if_nok (error, FALSE);
7817 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, setter, NULL, error);
7818 return_val_if_nok (error, FALSE);
7819 mono_message_init (domain, msg, rm, NULL);
7821 full_name = mono_type_get_full_name (klass);
7822 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7823 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7824 mono_array_setref (msg->args, 2, arg);
7827 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7828 return_val_if_nok (error, FALSE);
7831 mono_error_set_exception_instance (error, (MonoException *)exc);
7839 * mono_create_ftnptr:
7841 * Given a function address, create a function descriptor for it.
7842 * This is only needed on some platforms.
7845 mono_create_ftnptr (MonoDomain *domain, gpointer addr)
7847 return callbacks.create_ftnptr (domain, addr);
7851 * mono_get_addr_from_ftnptr:
7853 * Given a pointer to a function descriptor, return the function address.
7854 * This is only needed on some platforms.
7857 mono_get_addr_from_ftnptr (gpointer descr)
7859 return callbacks.get_addr_from_ftnptr (descr);
7863 * mono_string_chars:
7866 * Returns a pointer to the UCS16 characters stored in the MonoString
7869 mono_string_chars (MonoString *s)
7871 // MONO_REQ_GC_UNSAFE_MODE; //FIXME too much trouble for now
7877 * mono_string_length:
7880 * Returns the lenght in characters of the string
7883 mono_string_length (MonoString *s)
7885 MONO_REQ_GC_UNSAFE_MODE;
7891 * mono_array_length:
7892 * @array: a MonoArray*
7894 * Returns the total number of elements in the array. This works for
7895 * both vectors and multidimensional arrays.
7898 mono_array_length (MonoArray *array)
7900 MONO_REQ_GC_UNSAFE_MODE;
7902 return array->max_length;
7906 * mono_array_addr_with_size:
7907 * @array: a MonoArray*
7908 * @size: size of the array elements
7909 * @idx: index into the array
7911 * Use this function to obtain the address for the @idx item on the
7912 * @array containing elements of size @size.
7914 * This method performs no bounds checking or type checking.
7916 * Returns the address of the @idx element in the array.
7919 mono_array_addr_with_size (MonoArray *array, int size, uintptr_t idx)
7921 MONO_REQ_GC_UNSAFE_MODE;
7923 return ((char*)(array)->vector) + size * idx;
7928 mono_glist_to_array (GList *list, MonoClass *eclass)
7930 MonoDomain *domain = mono_domain_get ();
7937 len = g_list_length (list);
7938 res = mono_array_new (domain, eclass, len);
7940 for (i = 0; list; list = list->next, i++)
7941 mono_array_set (res, gpointer, i, list->data);
7948 * The following section is purely to declare prototypes and
7949 * document the API, as these C files are processed by our
7955 * @array: array to alter
7956 * @element_type: A C type name, this macro will use the sizeof(type) to determine the element size
7957 * @index: index into the array
7958 * @value: value to set
7960 * Value Type version: This sets the @index's element of the @array
7961 * with elements of size sizeof(type) to the provided @value.
7963 * This macro does not attempt to perform type checking or bounds checking.
7965 * Use this to set value types in a `MonoArray`.
7967 void mono_array_set(MonoArray *array, Type element_type, uintptr_t index, Value value)
7972 * mono_array_setref:
7973 * @array: array to alter
7974 * @index: index into the array
7975 * @value: value to set
7977 * Reference Type version: This sets the @index's element of the
7978 * @array with elements of size sizeof(type) to the provided @value.
7980 * This macro does not attempt to perform type checking or bounds checking.
7982 * Use this to reference types in a `MonoArray`.
7984 void mono_array_setref(MonoArray *array, uintptr_t index, MonoObject *object)
7990 * @array: array on which to operate on
7991 * @element_type: C element type (example: MonoString *, int, MonoObject *)
7992 * @index: index into the array
7994 * Use this macro to retrieve the @index element of an @array and
7995 * extract the value assuming that the elements of the array match
7996 * the provided type value.
7998 * This method can be used with both arrays holding value types and
7999 * reference types. For reference types, the @type parameter should
8000 * be a `MonoObject*` or any subclass of it, like `MonoString*`.
8002 * This macro does not attempt to perform type checking or bounds checking.
8004 * Returns: The element at the @index position in the @array.
8006 Type mono_array_get (MonoArray *array, Type element_type, uintptr_t index)