2 * object.c: Object creation for the Mono runtime
5 * Miguel de Icaza (miguel@ximian.com)
6 * Paolo Molaro (lupus@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2011 Novell, Inc (http://www.novell.com)
10 * Copyright 2001 Xamarin Inc (http://www.xamarin.com)
19 #include <mono/metadata/mono-endian.h>
20 #include <mono/metadata/tabledefs.h>
21 #include <mono/metadata/tokentype.h>
22 #include <mono/metadata/loader.h>
23 #include <mono/metadata/object.h>
24 #include <mono/metadata/gc-internals.h>
25 #include <mono/metadata/exception.h>
26 #include <mono/metadata/domain-internals.h>
27 #include "mono/metadata/metadata-internals.h"
28 #include "mono/metadata/class-internals.h"
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/marshal.h>
31 #include "mono/metadata/debug-helpers.h"
32 #include "mono/metadata/marshal.h"
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/threads-types.h>
35 #include <mono/metadata/environment.h>
36 #include "mono/metadata/profiler-private.h"
37 #include "mono/metadata/security-manager.h"
38 #include "mono/metadata/mono-debug-debugger.h"
39 #include <mono/metadata/gc-internals.h>
40 #include <mono/metadata/verify-internals.h>
41 #include <mono/metadata/reflection-internals.h>
42 #include <mono/utils/strenc.h>
43 #include <mono/utils/mono-counters.h>
44 #include <mono/utils/mono-error-internals.h>
45 #include <mono/utils/mono-memory-model.h>
46 #include <mono/utils/checked-build.h>
47 #include <mono/utils/mono-threads.h>
48 #include "cominterop.h"
51 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value);
54 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig);
57 free_main_args (void);
60 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error);
63 #define ldstr_lock() mono_os_mutex_lock (&ldstr_section)
64 #define ldstr_unlock() mono_os_mutex_unlock (&ldstr_section)
65 static mono_mutex_t ldstr_section;
68 mono_runtime_object_init (MonoObject *this_obj)
70 MONO_REQ_GC_UNSAFE_MODE;
72 MonoMethod *method = NULL;
73 MonoClass *klass = this_obj->vtable->klass;
75 method = mono_class_get_method_from_name (klass, ".ctor", 0);
77 g_error ("Could not lookup zero argument constructor for class %s", mono_type_get_full_name (klass));
79 if (method->klass->valuetype)
80 this_obj = (MonoObject *)mono_object_unbox (this_obj);
81 mono_runtime_invoke (method, this_obj, NULL, NULL);
84 /* The pseudo algorithm for type initialization from the spec
85 Note it doesn't say anything about domains - only threads.
87 2. If the type is initialized you are done.
88 2.1. If the type is not yet initialized, try to take an
90 2.2. If successful, record this thread as responsible for
91 initializing the type and proceed to step 2.3.
92 2.2.1. If not, see whether this thread or any thread
93 waiting for this thread to complete already holds the lock.
94 2.2.2. If so, return since blocking would create a deadlock. This thread
95 will now see an incompletely initialized state for the type,
96 but no deadlock will arise.
97 2.2.3 If not, block until the type is initialized then return.
98 2.3 Initialize the parent type and then all interfaces implemented
100 2.4 Execute the type initialization code for this type.
101 2.5 Mark the type as initialized, release the initialization lock,
102 awaken any threads waiting for this type to be initialized,
109 MonoNativeThreadId initializing_tid;
110 guint32 waiting_count;
112 MonoCoopMutex initialization_section;
113 } TypeInitializationLock;
115 /* for locking access to type_initialization_hash and blocked_thread_hash */
116 static MonoCoopMutex type_initialization_section;
119 mono_type_initialization_lock (void)
121 /* The critical sections protected by this lock in mono_runtime_class_init_full () can block */
122 mono_coop_mutex_lock (&type_initialization_section);
126 mono_type_initialization_unlock (void)
128 mono_coop_mutex_unlock (&type_initialization_section);
132 mono_type_init_lock (TypeInitializationLock *lock)
134 MONO_REQ_GC_NEUTRAL_MODE;
136 mono_coop_mutex_lock (&lock->initialization_section);
140 mono_type_init_unlock (TypeInitializationLock *lock)
142 mono_coop_mutex_unlock (&lock->initialization_section);
145 /* from vtable to lock */
146 static GHashTable *type_initialization_hash;
148 /* from thread id to thread id being waited on */
149 static GHashTable *blocked_thread_hash;
152 static MonoThread *main_thread;
154 /* Functions supplied by the runtime */
155 static MonoRuntimeCallbacks callbacks;
158 * mono_thread_set_main:
159 * @thread: thread to set as the main thread
161 * This function can be used to instruct the runtime to treat @thread
162 * as the main thread, ie, the thread that would normally execute the Main()
163 * method. This basically means that at the end of @thread, the runtime will
164 * wait for the existing foreground threads to quit and other such details.
167 mono_thread_set_main (MonoThread *thread)
169 MONO_REQ_GC_UNSAFE_MODE;
171 static gboolean registered = FALSE;
174 MONO_GC_REGISTER_ROOT_SINGLE (main_thread, MONO_ROOT_SOURCE_THREADING, "main thread object");
178 main_thread = thread;
182 mono_thread_get_main (void)
184 MONO_REQ_GC_UNSAFE_MODE;
190 mono_type_initialization_init (void)
192 mono_coop_mutex_init_recursive (&type_initialization_section);
193 type_initialization_hash = g_hash_table_new (NULL, NULL);
194 blocked_thread_hash = g_hash_table_new (NULL, NULL);
195 mono_os_mutex_init_recursive (&ldstr_section);
199 mono_type_initialization_cleanup (void)
202 /* This is causing race conditions with
203 * mono_release_type_locks
205 mono_coop_mutex_destroy (&type_initialization_section);
206 g_hash_table_destroy (type_initialization_hash);
207 type_initialization_hash = NULL;
209 mono_os_mutex_destroy (&ldstr_section);
210 g_hash_table_destroy (blocked_thread_hash);
211 blocked_thread_hash = NULL;
217 * get_type_init_exception_for_vtable:
219 * Return the stored type initialization exception for VTABLE.
221 static MonoException*
222 get_type_init_exception_for_vtable (MonoVTable *vtable)
224 MONO_REQ_GC_UNSAFE_MODE;
226 MonoDomain *domain = vtable->domain;
227 MonoClass *klass = vtable->klass;
231 if (!vtable->init_failed)
232 g_error ("Trying to get the init exception for a non-failed vtable of class %s", mono_type_get_full_name (klass));
235 * If the initializing thread was rudely aborted, the exception is not stored
239 mono_domain_lock (domain);
240 if (domain->type_init_exception_hash)
241 ex = (MonoException *)mono_g_hash_table_lookup (domain->type_init_exception_hash, klass);
242 mono_domain_unlock (domain);
245 if (klass->name_space && *klass->name_space)
246 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
248 full_name = g_strdup (klass->name);
249 ex = mono_get_exception_type_initialization (full_name, NULL);
256 * mono_runtime_class_init:
257 * @vtable: vtable that needs to be initialized
259 * This routine calls the class constructor for @vtable.
262 mono_runtime_class_init (MonoVTable *vtable)
264 MONO_REQ_GC_UNSAFE_MODE;
266 mono_runtime_class_init_full (vtable, TRUE);
270 * mono_runtime_class_init_full:
271 * @vtable that neeeds to be initialized
272 * @raise_exception is TRUE, exceptions are raised intead of returned
276 mono_runtime_class_init_full (MonoVTable *vtable, gboolean raise_exception)
278 MONO_REQ_GC_UNSAFE_MODE;
281 MonoException *exc_to_throw;
282 MonoMethod *method = NULL;
285 MonoDomain *domain = vtable->domain;
286 TypeInitializationLock *lock;
287 MonoNativeThreadId tid;
288 int do_initialization = 0;
289 MonoDomain *last_domain = NULL;
291 if (vtable->initialized)
295 klass = vtable->klass;
297 if (!klass->image->checked_module_cctor) {
298 mono_image_check_for_module_cctor (klass->image);
299 if (klass->image->has_module_cctor) {
301 MonoClass *module_klass;
302 MonoVTable *module_vtable;
304 module_klass = mono_class_get_checked (klass->image, MONO_TOKEN_TYPE_DEF | 1, &error);
306 exc = mono_error_convert_to_exception (&error);
308 mono_raise_exception (exc);
312 module_vtable = mono_class_vtable_full (vtable->domain, module_klass, raise_exception);
315 exc = mono_runtime_class_init_full (module_vtable, raise_exception);
320 method = mono_class_get_cctor (klass);
322 vtable->initialized = 1;
326 tid = mono_native_thread_id_get ();
328 mono_type_initialization_lock ();
329 /* double check... */
330 if (vtable->initialized) {
331 mono_type_initialization_unlock ();
334 if (vtable->init_failed) {
335 mono_type_initialization_unlock ();
337 /* The type initialization already failed once, rethrow the same exception */
339 mono_raise_exception (get_type_init_exception_for_vtable (vtable));
340 return get_type_init_exception_for_vtable (vtable);
342 lock = (TypeInitializationLock *)g_hash_table_lookup (type_initialization_hash, vtable);
344 /* This thread will get to do the initialization */
345 if (mono_domain_get () != domain) {
346 /* Transfer into the target domain */
347 last_domain = mono_domain_get ();
348 if (!mono_domain_set (domain, FALSE)) {
349 vtable->initialized = 1;
350 mono_type_initialization_unlock ();
352 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
353 return mono_get_exception_appdomain_unloaded ();
356 lock = (TypeInitializationLock *)g_malloc (sizeof (TypeInitializationLock));
357 mono_coop_mutex_init_recursive (&lock->initialization_section);
358 lock->initializing_tid = tid;
359 lock->waiting_count = 1;
361 /* grab the vtable lock while this thread still owns type_initialization_section */
362 /* This is why type_initialization_lock needs to enter blocking mode */
363 mono_type_init_lock (lock);
364 g_hash_table_insert (type_initialization_hash, vtable, lock);
365 do_initialization = 1;
368 TypeInitializationLock *pending_lock;
370 if (mono_native_thread_id_equals (lock->initializing_tid, tid) || lock->done) {
371 mono_type_initialization_unlock ();
374 /* see if the thread doing the initialization is already blocked on this thread */
375 blocked = GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (lock->initializing_tid));
376 while ((pending_lock = (TypeInitializationLock*) g_hash_table_lookup (blocked_thread_hash, blocked))) {
377 if (mono_native_thread_id_equals (pending_lock->initializing_tid, tid)) {
378 if (!pending_lock->done) {
379 mono_type_initialization_unlock ();
382 /* the thread doing the initialization is blocked on this thread,
383 but on a lock that has already been freed. It just hasn't got
388 blocked = GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (pending_lock->initializing_tid));
390 ++lock->waiting_count;
391 /* record the fact that we are waiting on the initializing thread */
392 g_hash_table_insert (blocked_thread_hash, GUINT_TO_POINTER (tid), lock);
394 mono_type_initialization_unlock ();
396 if (do_initialization) {
397 mono_runtime_invoke (method, NULL, NULL, (MonoObject **) &exc);
399 /* If the initialization failed, mark the class as unusable. */
400 /* Avoid infinite loops */
402 (klass->image == mono_defaults.corlib &&
403 !strcmp (klass->name_space, "System") &&
404 !strcmp (klass->name, "TypeInitializationException")))) {
405 vtable->init_failed = 1;
407 if (klass->name_space && *klass->name_space)
408 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
410 full_name = g_strdup (klass->name);
411 exc_to_throw = mono_get_exception_type_initialization (full_name, exc);
415 * Store the exception object so it could be thrown on subsequent
418 mono_domain_lock (domain);
419 if (!domain->type_init_exception_hash)
420 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");
421 mono_g_hash_table_insert (domain->type_init_exception_hash, klass, exc_to_throw);
422 mono_domain_unlock (domain);
426 mono_domain_set (last_domain, TRUE);
428 mono_type_init_unlock (lock);
430 /* this just blocks until the initializing thread is done */
431 mono_type_init_lock (lock);
432 mono_type_init_unlock (lock);
435 mono_type_initialization_lock ();
436 if (!mono_native_thread_id_equals (lock->initializing_tid, tid))
437 g_hash_table_remove (blocked_thread_hash, GUINT_TO_POINTER (tid));
438 --lock->waiting_count;
439 if (lock->waiting_count == 0) {
440 mono_coop_mutex_destroy (&lock->initialization_section);
441 g_hash_table_remove (type_initialization_hash, vtable);
444 mono_memory_barrier ();
445 if (!vtable->init_failed)
446 vtable->initialized = 1;
447 mono_type_initialization_unlock ();
449 if (vtable->init_failed) {
450 /* Either we were the initializing thread or we waited for the initialization */
452 mono_raise_exception (get_type_init_exception_for_vtable (vtable));
453 return get_type_init_exception_for_vtable (vtable);
459 gboolean release_type_locks (gpointer key, gpointer value, gpointer user)
461 MONO_REQ_GC_NEUTRAL_MODE;
463 MonoVTable *vtable = (MonoVTable*)key;
465 TypeInitializationLock *lock = (TypeInitializationLock*) value;
466 if (mono_native_thread_id_equals (lock->initializing_tid, MONO_UINT_TO_NATIVE_THREAD_ID (GPOINTER_TO_UINT (user))) && !lock->done) {
469 * Have to set this since it cannot be set by the normal code in
470 * mono_runtime_class_init (). In this case, the exception object is not stored,
471 * and get_type_init_exception_for_class () needs to be aware of this.
473 vtable->init_failed = 1;
474 mono_type_init_unlock (lock);
475 --lock->waiting_count;
476 if (lock->waiting_count == 0) {
477 mono_coop_mutex_destroy (&lock->initialization_section);
486 mono_release_type_locks (MonoInternalThread *thread)
488 MONO_REQ_GC_UNSAFE_MODE;
490 mono_type_initialization_lock ();
491 g_hash_table_foreach_remove (type_initialization_hash, release_type_locks, GUINT_TO_POINTER (thread->tid));
492 mono_type_initialization_unlock ();
496 default_trampoline (MonoMethod *method)
502 default_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
504 g_assert_not_reached ();
509 #ifndef DISABLE_REMOTING
512 default_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
514 g_error ("remoting not installed");
518 static MonoRemotingTrampoline arch_create_remoting_trampoline = default_remoting_trampoline;
522 default_delegate_trampoline (MonoDomain *domain, MonoClass *klass)
524 g_assert_not_reached ();
528 static MonoTrampoline arch_create_jit_trampoline = default_trampoline;
529 static MonoJumpTrampoline arch_create_jump_trampoline = default_jump_trampoline;
530 static MonoDelegateTrampoline arch_create_delegate_trampoline = default_delegate_trampoline;
531 static MonoImtThunkBuilder imt_thunk_builder;
532 static gboolean always_build_imt_thunks;
534 #if (MONO_IMT_SIZE > 32)
535 #error "MONO_IMT_SIZE cannot be larger than 32"
539 mono_install_callbacks (MonoRuntimeCallbacks *cbs)
541 memcpy (&callbacks, cbs, sizeof (*cbs));
544 MonoRuntimeCallbacks*
545 mono_get_runtime_callbacks (void)
551 mono_install_trampoline (MonoTrampoline func)
553 arch_create_jit_trampoline = func? func: default_trampoline;
557 mono_install_jump_trampoline (MonoJumpTrampoline func)
559 arch_create_jump_trampoline = func? func: default_jump_trampoline;
562 #ifndef DISABLE_REMOTING
564 mono_install_remoting_trampoline (MonoRemotingTrampoline func)
566 arch_create_remoting_trampoline = func? func: default_remoting_trampoline;
571 mono_install_delegate_trampoline (MonoDelegateTrampoline func)
573 arch_create_delegate_trampoline = func? func: default_delegate_trampoline;
577 mono_install_imt_thunk_builder (MonoImtThunkBuilder func) {
578 imt_thunk_builder = func;
582 mono_set_always_build_imt_thunks (gboolean value)
584 always_build_imt_thunks = value;
588 * mono_compile_method:
589 * @method: The method to compile.
591 * This JIT-compiles the method, and returns the pointer to the native code
595 mono_compile_method (MonoMethod *method)
600 MONO_REQ_GC_NEUTRAL_MODE
602 if (!callbacks.compile_method) {
603 g_error ("compile method called on uninitialized runtime");
606 res = callbacks.compile_method (method, &error);
607 if (!mono_error_ok (&error))
608 mono_error_raise_exception (&error);
613 mono_runtime_create_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
615 MONO_REQ_GC_NEUTRAL_MODE
617 return arch_create_jump_trampoline (domain, method, add_sync_wrapper);
621 mono_runtime_create_delegate_trampoline (MonoClass *klass)
623 MONO_REQ_GC_NEUTRAL_MODE
625 return arch_create_delegate_trampoline (mono_domain_get (), klass);
628 static MonoFreeMethodFunc default_mono_free_method = NULL;
631 * mono_install_free_method:
632 * @func: pointer to the MonoFreeMethodFunc used to release a method
634 * This is an internal VM routine, it is used for the engines to
635 * register a handler to release the resources associated with a method.
637 * Methods are freed when no more references to the delegate that holds
641 mono_install_free_method (MonoFreeMethodFunc func)
643 default_mono_free_method = func;
647 * mono_runtime_free_method:
648 * @domain; domain where the method is hosted
649 * @method: method to release
651 * This routine is invoked to free the resources associated with
652 * a method that has been JIT compiled. This is used to discard
653 * methods that were used only temporarily (for example, used in marshalling)
657 mono_runtime_free_method (MonoDomain *domain, MonoMethod *method)
659 MONO_REQ_GC_NEUTRAL_MODE
661 if (default_mono_free_method != NULL)
662 default_mono_free_method (domain, method);
664 mono_method_clear_object (domain, method);
666 mono_free_method (method);
670 * The vtables in the root appdomain are assumed to be reachable by other
671 * roots, and we don't use typed allocation in the other domains.
674 /* The sync block is no longer a GC pointer */
675 #define GC_HEADER_BITMAP (0)
677 #define BITMAP_EL_SIZE (sizeof (gsize) * 8)
680 compute_class_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
682 MONO_REQ_GC_NEUTRAL_MODE;
684 MonoClassField *field;
690 max_size = mono_class_data_size (klass) / sizeof (gpointer);
692 max_size = klass->instance_size / sizeof (gpointer);
693 if (max_size > size) {
694 g_assert (offset <= 0);
695 bitmap = (gsize *)g_malloc0 ((max_size + BITMAP_EL_SIZE - 1) / BITMAP_EL_SIZE * sizeof (gsize));
700 /*An Ephemeron cannot be marked by sgen*/
701 if (!static_fields && klass->image == mono_defaults.corlib && !strcmp ("Ephemeron", klass->name)) {
703 memset (bitmap, 0, size / 8);
708 for (p = klass; p != NULL; p = p->parent) {
709 gpointer iter = NULL;
710 while ((field = mono_class_get_fields (p, &iter))) {
714 if (!(field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA)))
716 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
719 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
722 /* FIXME: should not happen, flag as type load error */
723 if (field->type->byref)
726 if (static_fields && field->offset == -1)
730 pos = field->offset / sizeof (gpointer);
733 type = mono_type_get_underlying_type (field->type);
734 switch (type->type) {
737 case MONO_TYPE_FNPTR:
739 /* only UIntPtr is allowed to be GC-tracked and only in mscorlib */
744 if (klass->image != mono_defaults.corlib)
747 case MONO_TYPE_STRING:
748 case MONO_TYPE_SZARRAY:
749 case MONO_TYPE_CLASS:
750 case MONO_TYPE_OBJECT:
751 case MONO_TYPE_ARRAY:
752 g_assert ((field->offset % sizeof(gpointer)) == 0);
754 g_assert (pos < size || pos <= max_size);
755 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
756 *max_set = MAX (*max_set, pos);
758 case MONO_TYPE_GENERICINST:
759 if (!mono_type_generic_inst_is_valuetype (type)) {
760 g_assert ((field->offset % sizeof(gpointer)) == 0);
762 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
763 *max_set = MAX (*max_set, pos);
768 case MONO_TYPE_VALUETYPE: {
769 MonoClass *fclass = mono_class_from_mono_type (field->type);
770 if (fclass->has_references) {
771 /* remove the object header */
772 compute_class_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)), max_set, FALSE);
786 case MONO_TYPE_BOOLEAN:
790 g_error ("compute_class_bitmap: Invalid type %x for field %s:%s\n", type->type, mono_type_get_full_name (field->parent), field->name);
801 * mono_class_compute_bitmap:
803 * Mono internal function to compute a bitmap of reference fields in a class.
806 mono_class_compute_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
808 MONO_REQ_GC_NEUTRAL_MODE;
810 return compute_class_bitmap (klass, bitmap, size, offset, max_set, static_fields);
815 * similar to the above, but sets the bits in the bitmap for any non-ref field
816 * and ignores static fields
819 compute_class_non_ref_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset)
821 MonoClassField *field;
826 max_size = class->instance_size / sizeof (gpointer);
827 if (max_size >= size) {
828 bitmap = g_malloc0 (sizeof (gsize) * ((max_size) + 1));
831 for (p = class; p != NULL; p = p->parent) {
832 gpointer iter = NULL;
833 while ((field = mono_class_get_fields (p, &iter))) {
836 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
838 /* FIXME: should not happen, flag as type load error */
839 if (field->type->byref)
842 pos = field->offset / sizeof (gpointer);
845 type = mono_type_get_underlying_type (field->type);
846 switch (type->type) {
847 #if SIZEOF_VOID_P == 8
851 case MONO_TYPE_FNPTR:
856 if ((((field->offset + 7) / sizeof (gpointer)) + offset) != pos) {
857 pos2 = ((field->offset + 7) / sizeof (gpointer)) + offset;
858 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
861 #if SIZEOF_VOID_P == 4
865 case MONO_TYPE_FNPTR:
870 if ((((field->offset + 3) / sizeof (gpointer)) + offset) != pos) {
871 pos2 = ((field->offset + 3) / sizeof (gpointer)) + offset;
872 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
878 if ((((field->offset + 1) / sizeof (gpointer)) + offset) != pos) {
879 pos2 = ((field->offset + 1) / sizeof (gpointer)) + offset;
880 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
883 case MONO_TYPE_BOOLEAN:
886 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
888 case MONO_TYPE_STRING:
889 case MONO_TYPE_SZARRAY:
890 case MONO_TYPE_CLASS:
891 case MONO_TYPE_OBJECT:
892 case MONO_TYPE_ARRAY:
894 case MONO_TYPE_GENERICINST:
895 if (!mono_type_generic_inst_is_valuetype (type)) {
900 case MONO_TYPE_VALUETYPE: {
901 MonoClass *fclass = mono_class_from_mono_type (field->type);
902 /* remove the object header */
903 compute_class_non_ref_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)));
907 g_assert_not_reached ();
916 * mono_class_insecure_overlapping:
917 * check if a class with explicit layout has references and non-references
918 * fields overlapping.
920 * Returns: TRUE if it is insecure to load the type.
923 mono_class_insecure_overlapping (MonoClass *klass)
927 gsize default_bitmap [4] = {0};
929 gsize default_nrbitmap [4] = {0};
930 int i, insecure = FALSE;
933 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
934 nrbitmap = compute_class_non_ref_bitmap (klass, default_nrbitmap, sizeof (default_nrbitmap) * 8, 0);
936 for (i = 0; i <= max_set; i += sizeof (bitmap [0]) * 8) {
937 int idx = i % (sizeof (bitmap [0]) * 8);
938 if (bitmap [idx] & nrbitmap [idx]) {
943 if (bitmap != default_bitmap)
945 if (nrbitmap != default_nrbitmap)
948 g_print ("class %s.%s in assembly %s has overlapping references\n", klass->name_space, klass->name, klass->image->name);
956 ves_icall_string_alloc (int length)
959 MonoString *str = mono_string_new_size_checked (mono_domain_get (), length, &error);
960 mono_error_raise_exception (&error);
966 mono_class_compute_gc_descriptor (MonoClass *klass)
968 MONO_REQ_GC_NEUTRAL_MODE;
972 gsize default_bitmap [4] = {0};
973 static gboolean gcj_inited = FALSE;
978 mono_register_jit_icall (ves_icall_object_new_fast, "ves_icall_object_new_fast", mono_create_icall_signature ("object ptr"), FALSE);
979 mono_register_jit_icall (ves_icall_string_alloc, "ves_icall_string_alloc", mono_create_icall_signature ("object int"), FALSE);
982 mono_loader_unlock ();
986 mono_class_init (klass);
988 if (klass->gc_descr_inited)
991 klass->gc_descr_inited = TRUE;
992 klass->gc_descr = MONO_GC_DESCRIPTOR_NULL;
994 bitmap = default_bitmap;
995 if (klass == mono_defaults.string_class) {
996 klass->gc_descr = mono_gc_make_descr_for_string (bitmap, 2);
997 } else if (klass->rank) {
998 mono_class_compute_gc_descriptor (klass->element_class);
999 if (MONO_TYPE_IS_REFERENCE (&klass->element_class->byval_arg)) {
1001 klass->gc_descr = mono_gc_make_descr_for_array (klass->byval_arg.type == MONO_TYPE_SZARRAY, &abm, 1, sizeof (gpointer));
1002 /*printf ("new array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1003 class->name_space, class->name);*/
1005 /* remove the object header */
1006 bitmap = compute_class_bitmap (klass->element_class, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
1007 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));
1008 /*printf ("new vt array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1009 class->name_space, class->name);*/
1010 if (bitmap != default_bitmap)
1014 /*static int count = 0;
1017 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
1018 klass->gc_descr = mono_gc_make_descr_for_object (bitmap, max_set + 1, klass->instance_size);
1020 if (class->gc_descr == MONO_GC_DESCRIPTOR_NULL)
1021 g_print ("disabling typed alloc (%d) for %s.%s\n", max_set, class->name_space, class->name);
1023 /*printf ("new descriptor: %p 0x%x for %s.%s\n", class->gc_descr, bitmap [0], class->name_space, class->name);*/
1024 if (bitmap != default_bitmap)
1030 * field_is_special_static:
1031 * @fklass: The MonoClass to look up.
1032 * @field: The MonoClassField describing the field.
1034 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
1035 * SPECIAL_STATIC_NONE otherwise.
1038 field_is_special_static (MonoClass *fklass, MonoClassField *field)
1040 MONO_REQ_GC_NEUTRAL_MODE;
1042 MonoCustomAttrInfo *ainfo;
1044 ainfo = mono_custom_attrs_from_field (fklass, field);
1047 for (i = 0; i < ainfo->num_attrs; ++i) {
1048 MonoClass *klass = ainfo->attrs [i].ctor->klass;
1049 if (klass->image == mono_defaults.corlib) {
1050 if (strcmp (klass->name, "ThreadStaticAttribute") == 0) {
1051 mono_custom_attrs_free (ainfo);
1052 return SPECIAL_STATIC_THREAD;
1054 else if (strcmp (klass->name, "ContextStaticAttribute") == 0) {
1055 mono_custom_attrs_free (ainfo);
1056 return SPECIAL_STATIC_CONTEXT;
1060 mono_custom_attrs_free (ainfo);
1061 return SPECIAL_STATIC_NONE;
1064 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
1065 #define mix(a,b,c) { \
1066 a -= c; a ^= rot(c, 4); c += b; \
1067 b -= a; b ^= rot(a, 6); a += c; \
1068 c -= b; c ^= rot(b, 8); b += a; \
1069 a -= c; a ^= rot(c,16); c += b; \
1070 b -= a; b ^= rot(a,19); a += c; \
1071 c -= b; c ^= rot(b, 4); b += a; \
1073 #define final(a,b,c) { \
1074 c ^= b; c -= rot(b,14); \
1075 a ^= c; a -= rot(c,11); \
1076 b ^= a; b -= rot(a,25); \
1077 c ^= b; c -= rot(b,16); \
1078 a ^= c; a -= rot(c,4); \
1079 b ^= a; b -= rot(a,14); \
1080 c ^= b; c -= rot(b,24); \
1084 * mono_method_get_imt_slot:
1086 * The IMT slot is embedded into AOTed code, so this must return the same value
1087 * for the same method across all executions. This means:
1088 * - pointers shouldn't be used as hash values.
1089 * - mono_metadata_str_hash () should be used for hashing strings.
1092 mono_method_get_imt_slot (MonoMethod *method)
1094 MONO_REQ_GC_NEUTRAL_MODE;
1096 MonoMethodSignature *sig;
1098 guint32 *hashes_start, *hashes;
1102 /* This can be used to stress tests the collision code */
1106 * We do this to simplify generic sharing. It will hurt
1107 * performance in cases where a class implements two different
1108 * instantiations of the same generic interface.
1109 * The code in build_imt_slots () depends on this.
1111 if (method->is_inflated)
1112 method = ((MonoMethodInflated*)method)->declaring;
1114 sig = mono_method_signature (method);
1115 hashes_count = sig->param_count + 4;
1116 hashes_start = (guint32 *)malloc (hashes_count * sizeof (guint32));
1117 hashes = hashes_start;
1119 if (! MONO_CLASS_IS_INTERFACE (method->klass)) {
1120 g_error ("mono_method_get_imt_slot: %s.%s.%s is not an interface MonoMethod",
1121 method->klass->name_space, method->klass->name, method->name);
1124 /* Initialize hashes */
1125 hashes [0] = mono_metadata_str_hash (method->klass->name);
1126 hashes [1] = mono_metadata_str_hash (method->klass->name_space);
1127 hashes [2] = mono_metadata_str_hash (method->name);
1128 hashes [3] = mono_metadata_type_hash (sig->ret);
1129 for (i = 0; i < sig->param_count; i++) {
1130 hashes [4 + i] = mono_metadata_type_hash (sig->params [i]);
1133 /* Setup internal state */
1134 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
1136 /* Handle most of the hashes */
1137 while (hashes_count > 3) {
1146 /* Handle the last 3 hashes (all the case statements fall through) */
1147 switch (hashes_count) {
1148 case 3 : c += hashes [2];
1149 case 2 : b += hashes [1];
1150 case 1 : a += hashes [0];
1152 case 0: /* nothing left to add */
1156 free (hashes_start);
1157 /* Report the result */
1158 return c % MONO_IMT_SIZE;
1167 add_imt_builder_entry (MonoImtBuilderEntry **imt_builder, MonoMethod *method, guint32 *imt_collisions_bitmap, int vtable_slot, int slot_num) {
1168 MONO_REQ_GC_NEUTRAL_MODE;
1170 guint32 imt_slot = mono_method_get_imt_slot (method);
1171 MonoImtBuilderEntry *entry;
1173 if (slot_num >= 0 && imt_slot != slot_num) {
1174 /* we build just a single imt slot and this is not it */
1178 entry = (MonoImtBuilderEntry *)g_malloc0 (sizeof (MonoImtBuilderEntry));
1179 entry->key = method;
1180 entry->value.vtable_slot = vtable_slot;
1181 entry->next = imt_builder [imt_slot];
1182 if (imt_builder [imt_slot] != NULL) {
1183 entry->children = imt_builder [imt_slot]->children + 1;
1184 if (entry->children == 1) {
1185 mono_stats.imt_slots_with_collisions++;
1186 *imt_collisions_bitmap |= (1 << imt_slot);
1189 entry->children = 0;
1190 mono_stats.imt_used_slots++;
1192 imt_builder [imt_slot] = entry;
1195 char *method_name = mono_method_full_name (method, TRUE);
1196 printf ("Added IMT slot for method (%p) %s: imt_slot = %d, vtable_slot = %d, colliding with other %d entries\n",
1197 method, method_name, imt_slot, vtable_slot, entry->children);
1198 g_free (method_name);
1205 print_imt_entry (const char* message, MonoImtBuilderEntry *e, int num) {
1207 MonoMethod *method = e->key;
1208 printf (" * %s [%d]: (%p) '%s.%s.%s'\n",
1212 method->klass->name_space,
1213 method->klass->name,
1216 printf (" * %s: NULL\n", message);
1222 compare_imt_builder_entries (const void *p1, const void *p2) {
1223 MonoImtBuilderEntry *e1 = *(MonoImtBuilderEntry**) p1;
1224 MonoImtBuilderEntry *e2 = *(MonoImtBuilderEntry**) p2;
1226 return (e1->key < e2->key) ? -1 : ((e1->key > e2->key) ? 1 : 0);
1230 imt_emit_ir (MonoImtBuilderEntry **sorted_array, int start, int end, GPtrArray *out_array)
1232 MONO_REQ_GC_NEUTRAL_MODE;
1234 int count = end - start;
1235 int chunk_start = out_array->len;
1238 for (i = start; i < end; ++i) {
1239 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1240 item->key = sorted_array [i]->key;
1241 item->value = sorted_array [i]->value;
1242 item->has_target_code = sorted_array [i]->has_target_code;
1243 item->is_equals = TRUE;
1245 item->check_target_idx = out_array->len + 1;
1247 item->check_target_idx = 0;
1248 g_ptr_array_add (out_array, item);
1251 int middle = start + count / 2;
1252 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1254 item->key = sorted_array [middle]->key;
1255 item->is_equals = FALSE;
1256 g_ptr_array_add (out_array, item);
1257 imt_emit_ir (sorted_array, start, middle, out_array);
1258 item->check_target_idx = imt_emit_ir (sorted_array, middle, end, out_array);
1264 imt_sort_slot_entries (MonoImtBuilderEntry *entries) {
1265 MONO_REQ_GC_NEUTRAL_MODE;
1267 int number_of_entries = entries->children + 1;
1268 MonoImtBuilderEntry **sorted_array = (MonoImtBuilderEntry **)malloc (sizeof (MonoImtBuilderEntry*) * number_of_entries);
1269 GPtrArray *result = g_ptr_array_new ();
1270 MonoImtBuilderEntry *current_entry;
1273 for (current_entry = entries, i = 0; current_entry != NULL; current_entry = current_entry->next, i++) {
1274 sorted_array [i] = current_entry;
1276 qsort (sorted_array, number_of_entries, sizeof (MonoImtBuilderEntry*), compare_imt_builder_entries);
1278 /*for (i = 0; i < number_of_entries; i++) {
1279 print_imt_entry (" sorted array:", sorted_array [i], i);
1282 imt_emit_ir (sorted_array, 0, number_of_entries, result);
1284 free (sorted_array);
1289 initialize_imt_slot (MonoVTable *vtable, MonoDomain *domain, MonoImtBuilderEntry *imt_builder_entry, gpointer fail_tramp)
1291 MONO_REQ_GC_NEUTRAL_MODE;
1293 if (imt_builder_entry != NULL) {
1294 if (imt_builder_entry->children == 0 && !fail_tramp && !always_build_imt_thunks) {
1295 /* No collision, return the vtable slot contents */
1296 return vtable->vtable [imt_builder_entry->value.vtable_slot];
1298 /* Collision, build the thunk */
1299 GPtrArray *imt_ir = imt_sort_slot_entries (imt_builder_entry);
1302 result = imt_thunk_builder (vtable, domain,
1303 (MonoIMTCheckItem**)imt_ir->pdata, imt_ir->len, fail_tramp);
1304 for (i = 0; i < imt_ir->len; ++i)
1305 g_free (g_ptr_array_index (imt_ir, i));
1306 g_ptr_array_free (imt_ir, TRUE);
1318 static MonoImtBuilderEntry*
1319 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot);
1322 * LOCKING: requires the loader and domain locks.
1326 build_imt_slots (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces, int slot_num)
1328 MONO_REQ_GC_NEUTRAL_MODE;
1332 guint32 imt_collisions_bitmap = 0;
1333 MonoImtBuilderEntry **imt_builder = (MonoImtBuilderEntry **)calloc (MONO_IMT_SIZE, sizeof (MonoImtBuilderEntry*));
1334 int method_count = 0;
1335 gboolean record_method_count_for_max_collisions = FALSE;
1336 gboolean has_generic_virtual = FALSE, has_variant_iface = FALSE;
1339 printf ("Building IMT for class %s.%s slot %d\n", klass->name_space, klass->name, slot_num);
1341 for (i = 0; i < klass->interface_offsets_count; ++i) {
1342 MonoClass *iface = klass->interfaces_packed [i];
1343 int interface_offset = klass->interface_offsets_packed [i];
1344 int method_slot_in_interface, vt_slot;
1346 if (mono_class_has_variant_generic_params (iface))
1347 has_variant_iface = TRUE;
1349 mono_class_setup_methods (iface);
1350 vt_slot = interface_offset;
1351 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1354 if (slot_num >= 0 && iface->is_inflated) {
1356 * The imt slot of the method is the same as for its declaring method,
1357 * see the comment in mono_method_get_imt_slot (), so we can
1358 * avoid inflating methods which will be discarded by
1359 * add_imt_builder_entry anyway.
1361 method = mono_class_get_method_by_index (iface->generic_class->container_class, method_slot_in_interface);
1362 if (mono_method_get_imt_slot (method) != slot_num) {
1367 method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1368 if (method->is_generic) {
1369 has_generic_virtual = TRUE;
1374 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
1375 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, vt_slot, slot_num);
1380 if (extra_interfaces) {
1381 int interface_offset = klass->vtable_size;
1383 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
1384 MonoClass* iface = (MonoClass *)list_item->data;
1385 int method_slot_in_interface;
1386 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1387 MonoMethod *method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1389 if (method->is_generic)
1390 has_generic_virtual = TRUE;
1391 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, interface_offset + method_slot_in_interface, slot_num);
1393 interface_offset += iface->method.count;
1396 for (i = 0; i < MONO_IMT_SIZE; ++i) {
1397 /* overwrite the imt slot only if we're building all the entries or if
1398 * we're building this specific one
1400 if (slot_num < 0 || i == slot_num) {
1401 MonoImtBuilderEntry *entries = get_generic_virtual_entries (domain, &imt [i]);
1404 if (imt_builder [i]) {
1405 MonoImtBuilderEntry *entry;
1407 /* Link entries with imt_builder [i] */
1408 for (entry = entries; entry->next; entry = entry->next) {
1410 MonoMethod *method = (MonoMethod*)entry->key;
1411 char *method_name = mono_method_full_name (method, TRUE);
1412 printf ("Added extra entry for method (%p) %s: imt_slot = %d\n", method, method_name, i);
1413 g_free (method_name);
1416 entry->next = imt_builder [i];
1417 entries->children += imt_builder [i]->children + 1;
1419 imt_builder [i] = entries;
1422 if (has_generic_virtual || has_variant_iface) {
1424 * There might be collisions later when the the thunk is expanded.
1426 imt_collisions_bitmap |= (1 << i);
1429 * The IMT thunk might be called with an instance of one of the
1430 * generic virtual methods, so has to fallback to the IMT trampoline.
1432 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], callbacks.get_imt_trampoline (vt, i));
1434 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], NULL);
1437 printf ("initialize_imt_slot[%d]: %p methods %d\n", i, imt [i], imt_builder [i]->children + 1);
1441 if (imt_builder [i] != NULL) {
1442 int methods_in_slot = imt_builder [i]->children + 1;
1443 if (methods_in_slot > mono_stats.imt_max_collisions_in_slot) {
1444 mono_stats.imt_max_collisions_in_slot = methods_in_slot;
1445 record_method_count_for_max_collisions = TRUE;
1447 method_count += methods_in_slot;
1451 mono_stats.imt_number_of_methods += method_count;
1452 if (record_method_count_for_max_collisions) {
1453 mono_stats.imt_method_count_when_max_collisions = method_count;
1456 for (i = 0; i < MONO_IMT_SIZE; i++) {
1457 MonoImtBuilderEntry* entry = imt_builder [i];
1458 while (entry != NULL) {
1459 MonoImtBuilderEntry* next = entry->next;
1465 /* we OR the bitmap since we may build just a single imt slot at a time */
1466 vt->imt_collisions_bitmap |= imt_collisions_bitmap;
1470 build_imt (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces) {
1471 MONO_REQ_GC_NEUTRAL_MODE;
1473 build_imt_slots (klass, vt, domain, imt, extra_interfaces, -1);
1477 * mono_vtable_build_imt_slot:
1478 * @vtable: virtual object table struct
1479 * @imt_slot: slot in the IMT table
1481 * Fill the given @imt_slot in the IMT table of @vtable with
1482 * a trampoline or a thunk for the case of collisions.
1483 * This is part of the internal mono API.
1485 * LOCKING: Take the domain lock.
1488 mono_vtable_build_imt_slot (MonoVTable* vtable, int imt_slot)
1490 MONO_REQ_GC_NEUTRAL_MODE;
1492 gpointer *imt = (gpointer*)vtable;
1493 imt -= MONO_IMT_SIZE;
1494 g_assert (imt_slot >= 0 && imt_slot < MONO_IMT_SIZE);
1496 /* no support for extra interfaces: the proxy objects will need
1497 * to build the complete IMT
1498 * Update and heck needs to ahppen inside the proper domain lock, as all
1499 * the changes made to a MonoVTable.
1501 mono_loader_lock (); /*FIXME build_imt_slots requires the loader lock.*/
1502 mono_domain_lock (vtable->domain);
1503 /* we change the slot only if it wasn't changed from the generic imt trampoline already */
1504 if (!callbacks.imt_entry_inited (vtable, imt_slot))
1505 build_imt_slots (vtable->klass, vtable, vtable->domain, imt, NULL, imt_slot);
1506 mono_domain_unlock (vtable->domain);
1507 mono_loader_unlock ();
1512 * The first two free list entries both belong to the wait list: The
1513 * first entry is the pointer to the head of the list and the second
1514 * entry points to the last element. That way appending and removing
1515 * the first element are both O(1) operations.
1517 #ifdef MONO_SMALL_CONFIG
1518 #define NUM_FREE_LISTS 6
1520 #define NUM_FREE_LISTS 12
1522 #define FIRST_FREE_LIST_SIZE 64
1523 #define MAX_WAIT_LENGTH 50
1524 #define THUNK_THRESHOLD 10
1527 * LOCKING: The domain lock must be held.
1530 init_thunk_free_lists (MonoDomain *domain)
1532 MONO_REQ_GC_NEUTRAL_MODE;
1534 if (domain->thunk_free_lists)
1536 domain->thunk_free_lists = (MonoThunkFreeList **)mono_domain_alloc0 (domain, sizeof (gpointer) * NUM_FREE_LISTS);
1540 list_index_for_size (int item_size)
1543 int size = FIRST_FREE_LIST_SIZE;
1545 while (item_size > size && i < NUM_FREE_LISTS - 1) {
1554 * mono_method_alloc_generic_virtual_thunk:
1556 * @size: size in bytes
1558 * Allocs size bytes to be used for the code of a generic virtual
1559 * thunk. It's either allocated from the domain's code manager or
1560 * reused from a previously invalidated piece.
1562 * LOCKING: The domain lock must be held.
1565 mono_method_alloc_generic_virtual_thunk (MonoDomain *domain, int size)
1567 MONO_REQ_GC_NEUTRAL_MODE;
1569 static gboolean inited = FALSE;
1570 static int generic_virtual_thunks_size = 0;
1574 MonoThunkFreeList **l;
1576 init_thunk_free_lists (domain);
1578 size += sizeof (guint32);
1579 if (size < sizeof (MonoThunkFreeList))
1580 size = sizeof (MonoThunkFreeList);
1582 i = list_index_for_size (size);
1583 for (l = &domain->thunk_free_lists [i]; *l; l = &(*l)->next) {
1584 if ((*l)->size >= size) {
1585 MonoThunkFreeList *item = *l;
1587 return ((guint32*)item) + 1;
1591 /* no suitable item found - search lists of larger sizes */
1592 while (++i < NUM_FREE_LISTS) {
1593 MonoThunkFreeList *item = domain->thunk_free_lists [i];
1596 g_assert (item->size > size);
1597 domain->thunk_free_lists [i] = item->next;
1598 return ((guint32*)item) + 1;
1601 /* still nothing found - allocate it */
1603 mono_counters_register ("Generic virtual thunk bytes",
1604 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &generic_virtual_thunks_size);
1607 generic_virtual_thunks_size += size;
1609 p = (guint32 *)mono_domain_code_reserve (domain, size);
1612 mono_domain_lock (domain);
1613 if (!domain->generic_virtual_thunks)
1614 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1615 g_hash_table_insert (domain->generic_virtual_thunks, p, p);
1616 mono_domain_unlock (domain);
1622 * LOCKING: The domain lock must be held.
1625 invalidate_generic_virtual_thunk (MonoDomain *domain, gpointer code)
1627 MONO_REQ_GC_NEUTRAL_MODE;
1629 guint32 *p = (guint32 *)code;
1630 MonoThunkFreeList *l = (MonoThunkFreeList*)(p - 1);
1631 gboolean found = FALSE;
1633 mono_domain_lock (domain);
1634 if (!domain->generic_virtual_thunks)
1635 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1636 if (g_hash_table_lookup (domain->generic_virtual_thunks, l))
1638 mono_domain_unlock (domain);
1641 /* Not allocated by mono_method_alloc_generic_virtual_thunk (), i.e. AOT */
1643 init_thunk_free_lists (domain);
1645 while (domain->thunk_free_lists [0] && domain->thunk_free_lists [0]->length >= MAX_WAIT_LENGTH) {
1646 MonoThunkFreeList *item = domain->thunk_free_lists [0];
1647 int length = item->length;
1650 /* unlink the first item from the wait list */
1651 domain->thunk_free_lists [0] = item->next;
1652 domain->thunk_free_lists [0]->length = length - 1;
1654 i = list_index_for_size (item->size);
1656 /* put it in the free list */
1657 item->next = domain->thunk_free_lists [i];
1658 domain->thunk_free_lists [i] = item;
1662 if (domain->thunk_free_lists [1]) {
1663 domain->thunk_free_lists [1] = domain->thunk_free_lists [1]->next = l;
1664 domain->thunk_free_lists [0]->length++;
1666 g_assert (!domain->thunk_free_lists [0]);
1668 domain->thunk_free_lists [0] = domain->thunk_free_lists [1] = l;
1669 domain->thunk_free_lists [0]->length = 1;
1673 typedef struct _GenericVirtualCase {
1677 struct _GenericVirtualCase *next;
1678 } GenericVirtualCase;
1681 * get_generic_virtual_entries:
1683 * Return IMT entries for the generic virtual method instances and
1684 * variant interface methods for vtable slot
1687 static MonoImtBuilderEntry*
1688 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot)
1690 MONO_REQ_GC_NEUTRAL_MODE;
1692 GenericVirtualCase *list;
1693 MonoImtBuilderEntry *entries;
1695 mono_domain_lock (domain);
1696 if (!domain->generic_virtual_cases)
1697 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1699 list = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1702 for (; list; list = list->next) {
1703 MonoImtBuilderEntry *entry;
1705 if (list->count < THUNK_THRESHOLD)
1708 entry = g_new0 (MonoImtBuilderEntry, 1);
1709 entry->key = list->method;
1710 entry->value.target_code = mono_get_addr_from_ftnptr (list->code);
1711 entry->has_target_code = 1;
1713 entry->children = entries->children + 1;
1714 entry->next = entries;
1718 mono_domain_unlock (domain);
1720 /* FIXME: Leaking memory ? */
1725 * mono_method_add_generic_virtual_invocation:
1727 * @vtable_slot: pointer to the vtable slot
1728 * @method: the inflated generic virtual method
1729 * @code: the method's code
1731 * Registers a call via unmanaged code to a generic virtual method
1732 * instantiation or variant interface method. If the number of calls reaches a threshold
1733 * (THUNK_THRESHOLD), the method is added to the vtable slot's generic
1734 * virtual method thunk.
1737 mono_method_add_generic_virtual_invocation (MonoDomain *domain, MonoVTable *vtable,
1738 gpointer *vtable_slot,
1739 MonoMethod *method, gpointer code)
1741 MONO_REQ_GC_NEUTRAL_MODE;
1743 static gboolean inited = FALSE;
1744 static int num_added = 0;
1746 GenericVirtualCase *gvc, *list;
1747 MonoImtBuilderEntry *entries;
1751 mono_domain_lock (domain);
1752 if (!domain->generic_virtual_cases)
1753 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1755 /* Check whether the case was already added */
1756 list = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1759 if (gvc->method == method)
1764 /* If not found, make a new one */
1766 gvc = (GenericVirtualCase *)mono_domain_alloc (domain, sizeof (GenericVirtualCase));
1767 gvc->method = method;
1770 gvc->next = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1772 g_hash_table_insert (domain->generic_virtual_cases, vtable_slot, gvc);
1775 mono_counters_register ("Generic virtual cases", MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &num_added);
1781 if (++gvc->count == THUNK_THRESHOLD) {
1782 gpointer *old_thunk = (void **)*vtable_slot;
1783 gpointer vtable_trampoline = NULL;
1784 gpointer imt_trampoline = NULL;
1786 if ((gpointer)vtable_slot < (gpointer)vtable) {
1787 int displacement = (gpointer*)vtable_slot - (gpointer*)vtable;
1788 int imt_slot = MONO_IMT_SIZE + displacement;
1790 /* Force the rebuild of the thunk at the next call */
1791 imt_trampoline = callbacks.get_imt_trampoline (vtable, imt_slot);
1792 *vtable_slot = imt_trampoline;
1794 vtable_trampoline = callbacks.get_vtable_trampoline ? callbacks.get_vtable_trampoline (vtable, (gpointer*)vtable_slot - (gpointer*)vtable->vtable) : NULL;
1796 entries = get_generic_virtual_entries (domain, vtable_slot);
1798 sorted = imt_sort_slot_entries (entries);
1800 *vtable_slot = imt_thunk_builder (NULL, domain, (MonoIMTCheckItem**)sorted->pdata, sorted->len,
1804 MonoImtBuilderEntry *next = entries->next;
1809 for (i = 0; i < sorted->len; ++i)
1810 g_free (g_ptr_array_index (sorted, i));
1811 g_ptr_array_free (sorted, TRUE);
1814 #ifndef __native_client__
1815 /* We don't re-use any thunks as there is a lot of overhead */
1816 /* to deleting and re-using code in Native Client. */
1817 if (old_thunk != vtable_trampoline && old_thunk != imt_trampoline)
1818 invalidate_generic_virtual_thunk (domain, old_thunk);
1822 mono_domain_unlock (domain);
1825 static MonoVTable *mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *klass, gboolean raise_on_error);
1828 * mono_class_vtable:
1829 * @domain: the application domain
1830 * @class: the class to initialize
1832 * VTables are domain specific because we create domain specific code, and
1833 * they contain the domain specific static class data.
1834 * On failure, NULL is returned, and class->exception_type is set.
1837 mono_class_vtable (MonoDomain *domain, MonoClass *klass)
1839 return mono_class_vtable_full (domain, klass, FALSE);
1843 * mono_class_vtable_full:
1844 * @domain: the application domain
1845 * @class: the class to initialize
1846 * @raise_on_error if an exception should be raised on failure or not
1848 * VTables are domain specific because we create domain specific code, and
1849 * they contain the domain specific static class data.
1852 mono_class_vtable_full (MonoDomain *domain, MonoClass *klass, gboolean raise_on_error)
1854 MONO_REQ_GC_UNSAFE_MODE;
1856 MonoClassRuntimeInfo *runtime_info;
1860 if (klass->exception_type) {
1862 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1866 /* this check can be inlined in jitted code, too */
1867 runtime_info = klass->runtime_info;
1868 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1869 return runtime_info->domain_vtables [domain->domain_id];
1870 return mono_class_create_runtime_vtable (domain, klass, raise_on_error);
1874 * mono_class_try_get_vtable:
1875 * @domain: the application domain
1876 * @class: the class to initialize
1878 * This function tries to get the associated vtable from @class if
1879 * it was already created.
1882 mono_class_try_get_vtable (MonoDomain *domain, MonoClass *klass)
1884 MONO_REQ_GC_NEUTRAL_MODE;
1886 MonoClassRuntimeInfo *runtime_info;
1890 runtime_info = klass->runtime_info;
1891 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1892 return runtime_info->domain_vtables [domain->domain_id];
1897 alloc_vtable (MonoDomain *domain, size_t vtable_size, size_t imt_table_bytes)
1899 MONO_REQ_GC_NEUTRAL_MODE;
1901 size_t alloc_offset;
1904 * We want the pointer to the MonoVTable aligned to 8 bytes because SGen uses three
1905 * address bits. The IMT has an odd number of entries, however, so on 32 bits the
1906 * alignment will be off. In that case we allocate 4 more bytes and skip over them.
1908 if (sizeof (gpointer) == 4 && (imt_table_bytes & 7)) {
1909 g_assert ((imt_table_bytes & 7) == 4);
1916 return (gpointer*) ((char*)mono_domain_alloc0 (domain, vtable_size) + alloc_offset);
1920 mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *klass, gboolean raise_on_error)
1922 MONO_REQ_GC_UNSAFE_MODE;
1926 MonoClassRuntimeInfo *runtime_info, *old_info;
1927 MonoClassField *field;
1929 int i, vtable_slots;
1930 size_t imt_table_bytes;
1932 guint32 vtable_size, class_size;
1934 gpointer *interface_offsets;
1936 mono_loader_lock (); /*FIXME mono_class_init acquires it*/
1937 mono_domain_lock (domain);
1938 runtime_info = klass->runtime_info;
1939 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id]) {
1940 mono_domain_unlock (domain);
1941 mono_loader_unlock ();
1942 return runtime_info->domain_vtables [domain->domain_id];
1944 if (!klass->inited || klass->exception_type) {
1945 if (!mono_class_init (klass) || klass->exception_type) {
1946 mono_domain_unlock (domain);
1947 mono_loader_unlock ();
1949 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1954 /* Array types require that their element type be valid*/
1955 if (klass->byval_arg.type == MONO_TYPE_ARRAY || klass->byval_arg.type == MONO_TYPE_SZARRAY) {
1956 MonoClass *element_class = klass->element_class;
1957 if (!element_class->inited)
1958 mono_class_init (element_class);
1960 /*mono_class_init can leave the vtable layout to be lazily done and we can't afford this here*/
1961 if (element_class->exception_type == MONO_EXCEPTION_NONE && !element_class->vtable_size)
1962 mono_class_setup_vtable (element_class);
1964 if (element_class->exception_type != MONO_EXCEPTION_NONE) {
1965 /*Can happen if element_class only got bad after mono_class_setup_vtable*/
1966 if (klass->exception_type == MONO_EXCEPTION_NONE)
1967 mono_class_set_failure (klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
1968 mono_domain_unlock (domain);
1969 mono_loader_unlock ();
1971 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1977 * For some classes, mono_class_init () already computed klass->vtable_size, and
1978 * that is all that is needed because of the vtable trampolines.
1980 if (!klass->vtable_size)
1981 mono_class_setup_vtable (klass);
1983 if (klass->generic_class && !klass->vtable)
1984 mono_class_check_vtable_constraints (klass, NULL);
1986 /* Initialize klass->has_finalize */
1987 mono_class_has_finalizer (klass);
1989 if (klass->exception_type) {
1990 mono_domain_unlock (domain);
1991 mono_loader_unlock ();
1993 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1997 vtable_slots = klass->vtable_size;
1998 /* we add an additional vtable slot to store the pointer to static field data only when needed */
1999 class_size = mono_class_data_size (klass);
2003 if (klass->interface_offsets_count) {
2004 imt_table_bytes = sizeof (gpointer) * (MONO_IMT_SIZE);
2005 mono_stats.imt_number_of_tables++;
2006 mono_stats.imt_tables_size += imt_table_bytes;
2008 imt_table_bytes = 0;
2011 vtable_size = imt_table_bytes + MONO_SIZEOF_VTABLE + vtable_slots * sizeof (gpointer);
2013 mono_stats.used_class_count++;
2014 mono_stats.class_vtable_size += vtable_size;
2016 interface_offsets = alloc_vtable (domain, vtable_size, imt_table_bytes);
2017 vt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2018 g_assert (!((gsize)vt & 7));
2021 vt->rank = klass->rank;
2022 vt->domain = domain;
2024 mono_class_compute_gc_descriptor (klass);
2026 * We can't use typed allocation in the non-root domains, since the
2027 * collector needs the GC descriptor stored in the vtable even after
2028 * the mempool containing the vtable is destroyed when the domain is
2029 * unloaded. An alternative might be to allocate vtables in the GC
2030 * heap, but this does not seem to work (it leads to crashes inside
2031 * libgc). If that approach is tried, two gc descriptors need to be
2032 * allocated for each class: one for the root domain, and one for all
2033 * other domains. The second descriptor should contain a bit for the
2034 * vtable field in MonoObject, since we can no longer assume the
2035 * vtable is reachable by other roots after the appdomain is unloaded.
2037 #ifdef HAVE_BOEHM_GC
2038 if (domain != mono_get_root_domain () && !mono_dont_free_domains)
2039 vt->gc_descr = MONO_GC_DESCRIPTOR_NULL;
2042 vt->gc_descr = klass->gc_descr;
2044 gc_bits = mono_gc_get_vtable_bits (klass);
2045 g_assert (!(gc_bits & ~((1 << MONO_VTABLE_AVAILABLE_GC_BITS) - 1)));
2047 vt->gc_bits = gc_bits;
2050 /* we store the static field pointer at the end of the vtable: vt->vtable [class->vtable_size] */
2051 if (klass->has_static_refs) {
2052 MonoGCDescriptor statics_gc_descr;
2054 gsize default_bitmap [4] = {0};
2057 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, TRUE);
2058 /*g_print ("bitmap 0x%x for %s.%s (size: %d)\n", bitmap [0], klass->name_space, klass->name, class_size);*/
2059 statics_gc_descr = mono_gc_make_descr_from_bitmap (bitmap, max_set + 1);
2060 vt->vtable [klass->vtable_size] = mono_gc_alloc_fixed (class_size, statics_gc_descr, MONO_ROOT_SOURCE_STATIC, "managed static variables");
2061 mono_domain_add_class_static_data (domain, klass, vt->vtable [klass->vtable_size], NULL);
2062 if (bitmap != default_bitmap)
2065 vt->vtable [klass->vtable_size] = mono_domain_alloc0 (domain, class_size);
2067 vt->has_static_fields = TRUE;
2068 mono_stats.class_static_data_size += class_size;
2072 while ((field = mono_class_get_fields (klass, &iter))) {
2073 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2075 if (mono_field_is_deleted (field))
2077 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2078 gint32 special_static = klass->no_special_static_fields ? SPECIAL_STATIC_NONE : field_is_special_static (klass, field);
2079 if (special_static != SPECIAL_STATIC_NONE) {
2080 guint32 size, offset;
2082 gsize default_bitmap [4] = {0};
2087 if (mono_type_is_reference (field->type)) {
2088 default_bitmap [0] = 1;
2090 bitmap = default_bitmap;
2091 } else if (mono_type_is_struct (field->type)) {
2092 fclass = mono_class_from_mono_type (field->type);
2093 bitmap = compute_class_bitmap (fclass, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
2094 numbits = max_set + 1;
2096 default_bitmap [0] = 0;
2098 bitmap = default_bitmap;
2100 size = mono_type_size (field->type, &align);
2101 offset = mono_alloc_special_static_data (special_static, size, align, (uintptr_t*)bitmap, numbits);
2102 if (!domain->special_static_fields)
2103 domain->special_static_fields = g_hash_table_new (NULL, NULL);
2104 g_hash_table_insert (domain->special_static_fields, field, GUINT_TO_POINTER (offset));
2105 if (bitmap != default_bitmap)
2108 * This marks the field as special static to speed up the
2109 * checks in mono_field_static_get/set_value ().
2115 if ((field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA)) {
2116 MonoClass *fklass = mono_class_from_mono_type (field->type);
2117 const char *data = mono_field_get_data (field);
2119 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT));
2120 t = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
2121 /* some fields don't really have rva, they are just zeroed (bss? bug #343083) */
2124 if (fklass->valuetype) {
2125 memcpy (t, data, mono_class_value_size (fklass, NULL));
2127 /* it's a pointer type: add check */
2128 g_assert ((fklass->byval_arg.type == MONO_TYPE_PTR) || (fklass->byval_arg.type == MONO_TYPE_FNPTR));
2135 vt->max_interface_id = klass->max_interface_id;
2136 vt->interface_bitmap = klass->interface_bitmap;
2138 //printf ("Initializing VT for class %s (interface_offsets_count = %d)\n",
2139 // class->name, klass->interface_offsets_count);
2141 /* Initialize vtable */
2142 if (callbacks.get_vtable_trampoline) {
2143 // This also covers the AOT case
2144 for (i = 0; i < klass->vtable_size; ++i) {
2145 vt->vtable [i] = callbacks.get_vtable_trampoline (vt, i);
2148 mono_class_setup_vtable (klass);
2150 for (i = 0; i < klass->vtable_size; ++i) {
2153 if ((cm = klass->vtable [i]))
2154 vt->vtable [i] = arch_create_jit_trampoline (cm);
2158 if (imt_table_bytes) {
2159 /* Now that the vtable is full, we can actually fill up the IMT */
2160 for (i = 0; i < MONO_IMT_SIZE; ++i)
2161 interface_offsets [i] = callbacks.get_imt_trampoline (vt, i);
2165 * FIXME: Is it ok to allocate while holding the domain/loader locks ? If not, we can release them, allocate, then
2166 * re-acquire them and check if another thread has created the vtable in the meantime.
2168 /* Special case System.MonoType to avoid infinite recursion */
2169 if (klass != mono_defaults.monotype_class) {
2170 /*FIXME check for OOM*/
2171 vt->type = mono_type_get_object_checked (domain, &klass->byval_arg, &error);
2172 mono_error_raise_exception (&error); /* FIXME don't raise here */
2174 if (mono_object_get_class ((MonoObject *)vt->type) != mono_defaults.monotype_class)
2175 /* This is unregistered in
2176 unregister_vtable_reflection_type() in
2178 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2181 mono_vtable_set_is_remote (vt, mono_class_is_contextbound (klass));
2183 /* class_vtable_array keeps an array of created vtables
2185 g_ptr_array_add (domain->class_vtable_array, vt);
2186 /* klass->runtime_info is protected by the loader lock, both when
2187 * it it enlarged and when it is stored info.
2191 * Store the vtable in klass->runtime_info.
2192 * klass->runtime_info is accessed without locking, so this do this last after the vtable has been constructed.
2194 mono_memory_barrier ();
2196 old_info = klass->runtime_info;
2197 if (old_info && old_info->max_domain >= domain->domain_id) {
2198 /* someone already created a large enough runtime info */
2199 old_info->domain_vtables [domain->domain_id] = vt;
2201 int new_size = domain->domain_id;
2203 new_size = MAX (new_size, old_info->max_domain);
2205 /* make the new size a power of two */
2207 while (new_size > i)
2210 /* this is a bounded memory retention issue: may want to
2211 * handle it differently when we'll have a rcu-like system.
2213 runtime_info = (MonoClassRuntimeInfo *)mono_image_alloc0 (klass->image, MONO_SIZEOF_CLASS_RUNTIME_INFO + new_size * sizeof (gpointer));
2214 runtime_info->max_domain = new_size - 1;
2215 /* copy the stuff from the older info */
2217 memcpy (runtime_info->domain_vtables, old_info->domain_vtables, (old_info->max_domain + 1) * sizeof (gpointer));
2219 runtime_info->domain_vtables [domain->domain_id] = vt;
2221 mono_memory_barrier ();
2222 klass->runtime_info = runtime_info;
2225 if (klass == mono_defaults.monotype_class) {
2226 /*FIXME check for OOM*/
2227 vt->type = mono_type_get_object_checked (domain, &klass->byval_arg, &error);
2228 mono_error_raise_exception (&error); /* FIXME don't raise here */
2230 if (mono_object_get_class ((MonoObject *)vt->type) != mono_defaults.monotype_class)
2231 /* This is unregistered in
2232 unregister_vtable_reflection_type() in
2234 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2237 mono_domain_unlock (domain);
2238 mono_loader_unlock ();
2240 /* make sure the parent is initialized */
2241 /*FIXME shouldn't this fail the current type?*/
2243 mono_class_vtable_full (domain, klass->parent, raise_on_error);
2248 #ifndef DISABLE_REMOTING
2250 * mono_class_proxy_vtable:
2251 * @domain: the application domain
2252 * @remove_class: the remote class
2254 * Creates a vtable for transparent proxies. It is basically
2255 * a copy of the real vtable of the class wrapped in @remote_class,
2256 * but all function pointers invoke the remoting functions, and
2257 * vtable->klass points to the transparent proxy class, and not to @class.
2260 mono_class_proxy_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRemotingTarget target_type)
2262 MONO_REQ_GC_UNSAFE_MODE;
2265 MonoVTable *vt, *pvt;
2266 int i, j, vtsize, max_interface_id, extra_interface_vtsize = 0;
2268 GSList *extra_interfaces = NULL;
2269 MonoClass *klass = remote_class->proxy_class;
2270 gpointer *interface_offsets;
2273 size_t imt_table_bytes;
2275 #ifdef COMPRESSED_INTERFACE_BITMAP
2279 vt = mono_class_vtable (domain, klass);
2280 g_assert (vt); /*FIXME property handle failure*/
2281 max_interface_id = vt->max_interface_id;
2283 /* Calculate vtable space for extra interfaces */
2284 for (j = 0; j < remote_class->interface_count; j++) {
2285 MonoClass* iclass = remote_class->interfaces[j];
2289 /*FIXME test for interfaces with variant generic arguments*/
2290 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, iclass->interface_id))
2291 continue; /* interface implemented by the class */
2292 if (g_slist_find (extra_interfaces, iclass))
2295 extra_interfaces = g_slist_prepend (extra_interfaces, iclass);
2297 method_count = mono_class_num_methods (iclass);
2299 ifaces = mono_class_get_implemented_interfaces (iclass, &error);
2300 g_assert (mono_error_ok (&error)); /*FIXME do proper error handling*/
2302 for (i = 0; i < ifaces->len; ++i) {
2303 MonoClass *ic = (MonoClass *)g_ptr_array_index (ifaces, i);
2304 /*FIXME test for interfaces with variant generic arguments*/
2305 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, ic->interface_id))
2306 continue; /* interface implemented by the class */
2307 if (g_slist_find (extra_interfaces, ic))
2309 extra_interfaces = g_slist_prepend (extra_interfaces, ic);
2310 method_count += mono_class_num_methods (ic);
2312 g_ptr_array_free (ifaces, TRUE);
2315 extra_interface_vtsize += method_count * sizeof (gpointer);
2316 if (iclass->max_interface_id > max_interface_id) max_interface_id = iclass->max_interface_id;
2319 imt_table_bytes = sizeof (gpointer) * MONO_IMT_SIZE;
2320 mono_stats.imt_number_of_tables++;
2321 mono_stats.imt_tables_size += imt_table_bytes;
2323 vtsize = imt_table_bytes + MONO_SIZEOF_VTABLE + klass->vtable_size * sizeof (gpointer);
2325 mono_stats.class_vtable_size += vtsize + extra_interface_vtsize;
2327 interface_offsets = alloc_vtable (domain, vtsize + extra_interface_vtsize, imt_table_bytes);
2328 pvt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2329 g_assert (!((gsize)pvt & 7));
2331 memcpy (pvt, vt, MONO_SIZEOF_VTABLE + klass->vtable_size * sizeof (gpointer));
2333 pvt->klass = mono_defaults.transparent_proxy_class;
2334 /* we need to keep the GC descriptor for a transparent proxy or we confuse the precise GC */
2335 pvt->gc_descr = mono_defaults.transparent_proxy_class->gc_descr;
2337 /* initialize vtable */
2338 mono_class_setup_vtable (klass);
2339 for (i = 0; i < klass->vtable_size; ++i) {
2342 if ((cm = klass->vtable [i]))
2343 pvt->vtable [i] = arch_create_remoting_trampoline (domain, cm, target_type);
2345 pvt->vtable [i] = NULL;
2348 if (klass->flags & TYPE_ATTRIBUTE_ABSTRACT) {
2349 /* create trampolines for abstract methods */
2350 for (k = klass; k; k = k->parent) {
2352 gpointer iter = NULL;
2353 while ((m = mono_class_get_methods (k, &iter)))
2354 if (!pvt->vtable [m->slot])
2355 pvt->vtable [m->slot] = arch_create_remoting_trampoline (domain, m, target_type);
2359 pvt->max_interface_id = max_interface_id;
2360 bsize = sizeof (guint8) * (max_interface_id/8 + 1 );
2361 #ifdef COMPRESSED_INTERFACE_BITMAP
2362 bitmap = (uint8_t *)g_malloc0 (bsize);
2364 bitmap = (uint8_t *)mono_domain_alloc0 (domain, bsize);
2367 for (i = 0; i < klass->interface_offsets_count; ++i) {
2368 int interface_id = klass->interfaces_packed [i]->interface_id;
2369 bitmap [interface_id >> 3] |= (1 << (interface_id & 7));
2372 if (extra_interfaces) {
2373 int slot = klass->vtable_size;
2379 /* Create trampolines for the methods of the interfaces */
2380 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
2381 interf = (MonoClass *)list_item->data;
2383 bitmap [interf->interface_id >> 3] |= (1 << (interf->interface_id & 7));
2387 while ((cm = mono_class_get_methods (interf, &iter)))
2388 pvt->vtable [slot + j++] = arch_create_remoting_trampoline (domain, cm, target_type);
2390 slot += mono_class_num_methods (interf);
2394 /* Now that the vtable is full, we can actually fill up the IMT */
2395 build_imt (klass, pvt, domain, interface_offsets, extra_interfaces);
2396 if (extra_interfaces) {
2397 g_slist_free (extra_interfaces);
2400 #ifdef COMPRESSED_INTERFACE_BITMAP
2401 bcsize = mono_compress_bitmap (NULL, bitmap, bsize);
2402 pvt->interface_bitmap = mono_domain_alloc0 (domain, bcsize);
2403 mono_compress_bitmap (pvt->interface_bitmap, bitmap, bsize);
2406 pvt->interface_bitmap = bitmap;
2411 #endif /* DISABLE_REMOTING */
2414 * mono_class_field_is_special_static:
2416 * Returns whether @field is a thread/context static field.
2419 mono_class_field_is_special_static (MonoClassField *field)
2421 MONO_REQ_GC_NEUTRAL_MODE
2423 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2425 if (mono_field_is_deleted (field))
2427 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2428 if (field_is_special_static (field->parent, field) != SPECIAL_STATIC_NONE)
2435 * mono_class_field_get_special_static_type:
2436 * @field: The MonoClassField describing the field.
2438 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
2439 * SPECIAL_STATIC_NONE otherwise.
2442 mono_class_field_get_special_static_type (MonoClassField *field)
2444 MONO_REQ_GC_NEUTRAL_MODE
2446 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2447 return SPECIAL_STATIC_NONE;
2448 if (mono_field_is_deleted (field))
2449 return SPECIAL_STATIC_NONE;
2450 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL))
2451 return field_is_special_static (field->parent, field);
2452 return SPECIAL_STATIC_NONE;
2456 * mono_class_has_special_static_fields:
2458 * Returns whenever @klass has any thread/context static fields.
2461 mono_class_has_special_static_fields (MonoClass *klass)
2463 MONO_REQ_GC_NEUTRAL_MODE
2465 MonoClassField *field;
2469 while ((field = mono_class_get_fields (klass, &iter))) {
2470 g_assert (field->parent == klass);
2471 if (mono_class_field_is_special_static (field))
2478 #ifndef DISABLE_REMOTING
2480 * create_remote_class_key:
2481 * Creates an array of pointers that can be used as a hash key for a remote class.
2482 * The first element of the array is the number of pointers.
2485 create_remote_class_key (MonoRemoteClass *remote_class, MonoClass *extra_class)
2487 MONO_REQ_GC_NEUTRAL_MODE;
2492 if (remote_class == NULL) {
2493 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2494 key = (void **)g_malloc (sizeof(gpointer) * 3);
2495 key [0] = GINT_TO_POINTER (2);
2496 key [1] = mono_defaults.marshalbyrefobject_class;
2497 key [2] = extra_class;
2499 key = (void **)g_malloc (sizeof(gpointer) * 2);
2500 key [0] = GINT_TO_POINTER (1);
2501 key [1] = extra_class;
2504 if (extra_class != NULL && (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE)) {
2505 key = (void **)g_malloc (sizeof(gpointer) * (remote_class->interface_count + 3));
2506 key [0] = GINT_TO_POINTER (remote_class->interface_count + 2);
2507 key [1] = remote_class->proxy_class;
2509 // Keep the list of interfaces sorted
2510 for (i = 0, j = 2; i < remote_class->interface_count; i++, j++) {
2511 if (extra_class && remote_class->interfaces [i] > extra_class) {
2512 key [j++] = extra_class;
2515 key [j] = remote_class->interfaces [i];
2518 key [j] = extra_class;
2520 // Replace the old class. The interface list is the same
2521 key = (void **)g_malloc (sizeof(gpointer) * (remote_class->interface_count + 2));
2522 key [0] = GINT_TO_POINTER (remote_class->interface_count + 1);
2523 key [1] = extra_class != NULL ? extra_class : remote_class->proxy_class;
2524 for (i = 0; i < remote_class->interface_count; i++)
2525 key [2 + i] = remote_class->interfaces [i];
2533 * copy_remote_class_key:
2535 * Make a copy of KEY in the domain and return the copy.
2538 copy_remote_class_key (MonoDomain *domain, gpointer *key)
2540 MONO_REQ_GC_NEUTRAL_MODE
2542 int key_size = (GPOINTER_TO_UINT (key [0]) + 1) * sizeof (gpointer);
2543 gpointer *mp_key = (gpointer *)mono_domain_alloc (domain, key_size);
2545 memcpy (mp_key, key, key_size);
2551 * mono_remote_class:
2552 * @domain: the application domain
2553 * @class_name: name of the remote class
2555 * Creates and initializes a MonoRemoteClass object for a remote type.
2557 * Can raise an exception on failure.
2560 mono_remote_class (MonoDomain *domain, MonoString *class_name, MonoClass *proxy_class)
2562 MONO_REQ_GC_UNSAFE_MODE;
2565 MonoRemoteClass *rc;
2566 gpointer* key, *mp_key;
2569 key = create_remote_class_key (NULL, proxy_class);
2571 mono_domain_lock (domain);
2572 rc = (MonoRemoteClass *)g_hash_table_lookup (domain->proxy_vtable_hash, key);
2576 mono_domain_unlock (domain);
2580 name = mono_string_to_utf8_mp (domain->mp, class_name, &error);
2581 if (!mono_error_ok (&error)) {
2583 mono_domain_unlock (domain);
2584 mono_error_raise_exception (&error);
2587 mp_key = copy_remote_class_key (domain, key);
2591 if (proxy_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2592 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*));
2593 rc->interface_count = 1;
2594 rc->interfaces [0] = proxy_class;
2595 rc->proxy_class = mono_defaults.marshalbyrefobject_class;
2597 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS);
2598 rc->interface_count = 0;
2599 rc->proxy_class = proxy_class;
2602 rc->default_vtable = NULL;
2603 rc->xdomain_vtable = NULL;
2604 rc->proxy_class_name = name;
2605 #ifndef DISABLE_PERFCOUNTERS
2606 mono_perfcounters->loader_bytes += mono_string_length (class_name) + 1;
2609 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2611 mono_domain_unlock (domain);
2616 * clone_remote_class:
2617 * Creates a copy of the remote_class, adding the provided class or interface
2619 static MonoRemoteClass*
2620 clone_remote_class (MonoDomain *domain, MonoRemoteClass* remote_class, MonoClass *extra_class)
2622 MONO_REQ_GC_NEUTRAL_MODE;
2624 MonoRemoteClass *rc;
2625 gpointer* key, *mp_key;
2627 key = create_remote_class_key (remote_class, extra_class);
2628 rc = (MonoRemoteClass *)g_hash_table_lookup (domain->proxy_vtable_hash, key);
2634 mp_key = copy_remote_class_key (domain, key);
2638 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2640 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * (remote_class->interface_count + 1));
2641 rc->proxy_class = remote_class->proxy_class;
2642 rc->interface_count = remote_class->interface_count + 1;
2644 // Keep the list of interfaces sorted, since the hash key of
2645 // the remote class depends on this
2646 for (i = 0, j = 0; i < remote_class->interface_count; i++, j++) {
2647 if (remote_class->interfaces [i] > extra_class && i == j)
2648 rc->interfaces [j++] = extra_class;
2649 rc->interfaces [j] = remote_class->interfaces [i];
2652 rc->interfaces [j] = extra_class;
2654 // Replace the old class. The interface array is the same
2655 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * remote_class->interface_count);
2656 rc->proxy_class = extra_class;
2657 rc->interface_count = remote_class->interface_count;
2658 if (rc->interface_count > 0)
2659 memcpy (rc->interfaces, remote_class->interfaces, rc->interface_count * sizeof (MonoClass*));
2662 rc->default_vtable = NULL;
2663 rc->xdomain_vtable = NULL;
2664 rc->proxy_class_name = remote_class->proxy_class_name;
2666 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2672 mono_remote_class_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRealProxy *rp)
2674 MONO_REQ_GC_UNSAFE_MODE;
2676 mono_loader_lock (); /*FIXME mono_class_from_mono_type and mono_class_proxy_vtable take it*/
2677 mono_domain_lock (domain);
2678 if (rp->target_domain_id != -1) {
2679 if (remote_class->xdomain_vtable == NULL)
2680 remote_class->xdomain_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_APPDOMAIN);
2681 mono_domain_unlock (domain);
2682 mono_loader_unlock ();
2683 return remote_class->xdomain_vtable;
2685 if (remote_class->default_vtable == NULL) {
2688 type = ((MonoReflectionType *)rp->class_to_proxy)->type;
2689 klass = mono_class_from_mono_type (type);
2691 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)))
2692 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_COMINTEROP);
2695 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_UNKNOWN);
2698 mono_domain_unlock (domain);
2699 mono_loader_unlock ();
2700 return remote_class->default_vtable;
2704 * mono_upgrade_remote_class:
2705 * @domain: the application domain
2706 * @tproxy: the proxy whose remote class has to be upgraded.
2707 * @klass: class to which the remote class can be casted.
2709 * Updates the vtable of the remote class by adding the necessary method slots
2710 * and interface offsets so it can be safely casted to klass. klass can be a
2711 * class or an interface.
2714 mono_upgrade_remote_class (MonoDomain *domain, MonoObject *proxy_object, MonoClass *klass)
2716 MONO_REQ_GC_UNSAFE_MODE;
2718 MonoTransparentProxy *tproxy;
2719 MonoRemoteClass *remote_class;
2720 gboolean redo_vtable;
2722 mono_loader_lock (); /*FIXME mono_remote_class_vtable requires it.*/
2723 mono_domain_lock (domain);
2725 tproxy = (MonoTransparentProxy*) proxy_object;
2726 remote_class = tproxy->remote_class;
2728 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2731 for (i = 0; i < remote_class->interface_count && redo_vtable; i++)
2732 if (remote_class->interfaces [i] == klass)
2733 redo_vtable = FALSE;
2736 redo_vtable = (remote_class->proxy_class != klass);
2740 tproxy->remote_class = clone_remote_class (domain, remote_class, klass);
2741 proxy_object->vtable = (MonoVTable *)mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
2744 mono_domain_unlock (domain);
2745 mono_loader_unlock ();
2747 #endif /* DISABLE_REMOTING */
2751 * mono_object_get_virtual_method:
2752 * @obj: object to operate on.
2755 * Retrieves the MonoMethod that would be called on obj if obj is passed as
2756 * the instance of a callvirt of method.
2759 mono_object_get_virtual_method (MonoObject *obj, MonoMethod *method)
2761 MONO_REQ_GC_UNSAFE_MODE;
2764 MonoMethod **vtable;
2765 gboolean is_proxy = FALSE;
2766 MonoMethod *res = NULL;
2768 klass = mono_object_class (obj);
2769 #ifndef DISABLE_REMOTING
2770 if (klass == mono_defaults.transparent_proxy_class) {
2771 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
2776 if (!is_proxy && ((method->flags & METHOD_ATTRIBUTE_FINAL) || !(method->flags & METHOD_ATTRIBUTE_VIRTUAL)))
2779 mono_class_setup_vtable (klass);
2780 vtable = klass->vtable;
2782 if (method->slot == -1) {
2783 /* method->slot might not be set for instances of generic methods */
2784 if (method->is_inflated) {
2785 g_assert (((MonoMethodInflated*)method)->declaring->slot != -1);
2786 method->slot = ((MonoMethodInflated*)method)->declaring->slot;
2789 g_assert_not_reached ();
2793 /* check method->slot is a valid index: perform isinstance? */
2794 if (method->slot != -1) {
2795 if (method->klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2797 gboolean variance_used = FALSE;
2798 int iface_offset = mono_class_interface_offset_with_variance (klass, method->klass, &variance_used);
2799 g_assert (iface_offset > 0);
2800 res = vtable [iface_offset + method->slot];
2803 res = vtable [method->slot];
2807 #ifndef DISABLE_REMOTING
2809 /* It may be an interface, abstract class method or generic method */
2810 if (!res || mono_method_signature (res)->generic_param_count)
2813 /* generic methods demand invoke_with_check */
2814 if (mono_method_signature (res)->generic_param_count)
2815 res = mono_marshal_get_remoting_invoke_with_check (res);
2818 if (klass == mono_class_get_com_object_class () || mono_class_is_com_object (klass))
2819 res = mono_cominterop_get_invoke (res);
2822 res = mono_marshal_get_remoting_invoke (res);
2827 if (method->is_inflated) {
2829 /* Have to inflate the result */
2830 res = mono_class_inflate_generic_method_checked (res, &((MonoMethodInflated*)method)->context, &error);
2831 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2841 do_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2843 MonoObject *result = NULL;
2846 g_assert (callbacks.runtime_invoke);
2847 result = callbacks.runtime_invoke (method, obj, params, &error, exc);
2848 if (!mono_error_ok (&error)) {
2850 *exc = (MonoObject*)mono_error_convert_to_exception (&error);
2853 mono_error_raise_exception (&error);
2861 * mono_runtime_invoke:
2862 * @method: method to invoke
2863 * @obJ: object instance
2864 * @params: arguments to the method
2865 * @exc: exception information.
2867 * Invokes the method represented by @method on the object @obj.
2869 * obj is the 'this' pointer, it should be NULL for static
2870 * methods, a MonoObject* for object instances and a pointer to
2871 * the value type for value types.
2873 * The params array contains the arguments to the method with the
2874 * same convention: MonoObject* pointers for object instances and
2875 * pointers to the value type otherwise.
2877 * From unmanaged code you'll usually use the
2878 * mono_runtime_invoke() variant.
2880 * Note that this function doesn't handle virtual methods for
2881 * you, it will exec the exact method you pass: we still need to
2882 * expose a function to lookup the derived class implementation
2883 * of a virtual method (there are examples of this in the code,
2886 * You can pass NULL as the exc argument if you don't want to
2887 * catch exceptions, otherwise, *exc will be set to the exception
2888 * thrown, if any. if an exception is thrown, you can't use the
2889 * MonoObject* result from the function.
2891 * If the method returns a value type, it is boxed in an object
2895 mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2897 MONO_REQ_GC_UNSAFE_MODE;
2901 if (mono_runtime_get_no_exec ())
2902 g_warning ("Invoking method '%s' when running in no-exec mode.\n", mono_method_full_name (method, TRUE));
2904 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2905 mono_profiler_method_start_invoke (method);
2907 MONO_PREPARE_RESET_BLOCKING;
2909 result = do_runtime_invoke (method, obj, params, exc);
2911 MONO_FINISH_RESET_BLOCKING;
2913 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2914 mono_profiler_method_end_invoke (method);
2920 * mono_method_get_unmanaged_thunk:
2921 * @method: method to generate a thunk for.
2923 * Returns an unmanaged->managed thunk that can be used to call
2924 * a managed method directly from C.
2926 * The thunk's C signature closely matches the managed signature:
2928 * C#: public bool Equals (object obj);
2929 * C: typedef MonoBoolean (*Equals)(MonoObject*,
2930 * MonoObject*, MonoException**);
2932 * The 1st ("this") parameter must not be used with static methods:
2934 * C#: public static bool ReferenceEquals (object a, object b);
2935 * C: typedef MonoBoolean (*ReferenceEquals)(MonoObject*, MonoObject*,
2938 * The last argument must be a non-null pointer of a MonoException* pointer.
2939 * It has "out" semantics. After invoking the thunk, *ex will be NULL if no
2940 * exception has been thrown in managed code. Otherwise it will point
2941 * to the MonoException* caught by the thunk. In this case, the result of
2942 * the thunk is undefined:
2944 * MonoMethod *method = ... // MonoMethod* of System.Object.Equals
2945 * MonoException *ex = NULL;
2946 * Equals func = mono_method_get_unmanaged_thunk (method);
2947 * MonoBoolean res = func (thisObj, objToCompare, &ex);
2949 * // handle exception
2952 * The calling convention of the thunk matches the platform's default
2953 * convention. This means that under Windows, C declarations must
2954 * contain the __stdcall attribute:
2956 * C: typedef MonoBoolean (__stdcall *Equals)(MonoObject*,
2957 * MonoObject*, MonoException**);
2961 * Value type arguments and return values are treated as they were objects:
2963 * C#: public static Rectangle Intersect (Rectangle a, Rectangle b);
2964 * C: typedef MonoObject* (*Intersect)(MonoObject*, MonoObject*, MonoException**);
2966 * Arguments must be properly boxed upon trunk's invocation, while return
2967 * values must be unboxed.
2970 mono_method_get_unmanaged_thunk (MonoMethod *method)
2972 MONO_REQ_GC_NEUTRAL_MODE;
2973 MONO_REQ_API_ENTRYPOINT;
2977 MONO_PREPARE_RESET_BLOCKING;
2978 method = mono_marshal_get_thunk_invoke_wrapper (method);
2979 res = mono_compile_method (method);
2980 MONO_FINISH_RESET_BLOCKING;
2986 mono_copy_value (MonoType *type, void *dest, void *value, int deref_pointer)
2988 MONO_REQ_GC_UNSAFE_MODE;
2992 /* object fields cannot be byref, so we don't need a
2994 gpointer *p = (gpointer*)dest;
3001 case MONO_TYPE_BOOLEAN:
3003 case MONO_TYPE_U1: {
3004 guint8 *p = (guint8*)dest;
3005 *p = value ? *(guint8*)value : 0;
3010 case MONO_TYPE_CHAR: {
3011 guint16 *p = (guint16*)dest;
3012 *p = value ? *(guint16*)value : 0;
3015 #if SIZEOF_VOID_P == 4
3020 case MONO_TYPE_U4: {
3021 gint32 *p = (gint32*)dest;
3022 *p = value ? *(gint32*)value : 0;
3025 #if SIZEOF_VOID_P == 8
3030 case MONO_TYPE_U8: {
3031 gint64 *p = (gint64*)dest;
3032 *p = value ? *(gint64*)value : 0;
3035 case MONO_TYPE_R4: {
3036 float *p = (float*)dest;
3037 *p = value ? *(float*)value : 0;
3040 case MONO_TYPE_R8: {
3041 double *p = (double*)dest;
3042 *p = value ? *(double*)value : 0;
3045 case MONO_TYPE_STRING:
3046 case MONO_TYPE_SZARRAY:
3047 case MONO_TYPE_CLASS:
3048 case MONO_TYPE_OBJECT:
3049 case MONO_TYPE_ARRAY:
3050 mono_gc_wbarrier_generic_store (dest, deref_pointer ? *(MonoObject **)value : (MonoObject *)value);
3052 case MONO_TYPE_FNPTR:
3053 case MONO_TYPE_PTR: {
3054 gpointer *p = (gpointer*)dest;
3055 *p = deref_pointer? *(gpointer*)value: value;
3058 case MONO_TYPE_VALUETYPE:
3059 /* note that 't' and 'type->type' can be different */
3060 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype) {
3061 t = mono_class_enum_basetype (type->data.klass)->type;
3064 MonoClass *klass = mono_class_from_mono_type (type);
3065 int size = mono_class_value_size (klass, NULL);
3067 mono_gc_bzero_atomic (dest, size);
3069 mono_gc_wbarrier_value_copy (dest, value, 1, klass);
3072 case MONO_TYPE_GENERICINST:
3073 t = type->data.generic_class->container_class->byval_arg.type;
3076 g_error ("got type %x", type->type);
3081 * mono_field_set_value:
3082 * @obj: Instance object
3083 * @field: MonoClassField describing the field to set
3084 * @value: The value to be set
3086 * Sets the value of the field described by @field in the object instance @obj
3087 * to the value passed in @value. This method should only be used for instance
3088 * fields. For static fields, use mono_field_static_set_value.
3090 * The value must be on the native format of the field type.
3093 mono_field_set_value (MonoObject *obj, MonoClassField *field, void *value)
3095 MONO_REQ_GC_UNSAFE_MODE;
3099 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3101 dest = (char*)obj + field->offset;
3102 mono_copy_value (field->type, dest, value, FALSE);
3106 * mono_field_static_set_value:
3107 * @field: MonoClassField describing the field to set
3108 * @value: The value to be set
3110 * Sets the value of the static field described by @field
3111 * to the value passed in @value.
3113 * The value must be on the native format of the field type.
3116 mono_field_static_set_value (MonoVTable *vt, MonoClassField *field, void *value)
3118 MONO_REQ_GC_UNSAFE_MODE;
3122 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3123 /* you cant set a constant! */
3124 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL));
3126 if (field->offset == -1) {
3127 /* Special static */
3130 mono_domain_lock (vt->domain);
3131 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3132 mono_domain_unlock (vt->domain);
3133 dest = mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3135 dest = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3137 mono_copy_value (field->type, dest, value, FALSE);
3141 * mono_vtable_get_static_field_data:
3143 * Internal use function: return a pointer to the memory holding the static fields
3144 * for a class or NULL if there are no static fields.
3145 * This is exported only for use by the debugger.
3148 mono_vtable_get_static_field_data (MonoVTable *vt)
3150 MONO_REQ_GC_NEUTRAL_MODE
3152 if (!vt->has_static_fields)
3154 return vt->vtable [vt->klass->vtable_size];
3158 mono_field_get_addr (MonoObject *obj, MonoVTable *vt, MonoClassField *field)
3160 MONO_REQ_GC_UNSAFE_MODE;
3164 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
3165 if (field->offset == -1) {
3166 /* Special static */
3169 mono_domain_lock (vt->domain);
3170 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3171 mono_domain_unlock (vt->domain);
3172 src = (guint8 *)mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3174 src = (guint8*)mono_vtable_get_static_field_data (vt) + field->offset;
3177 src = (guint8*)obj + field->offset;
3184 * mono_field_get_value:
3185 * @obj: Object instance
3186 * @field: MonoClassField describing the field to fetch information from
3187 * @value: pointer to the location where the value will be stored
3189 * Use this routine to get the value of the field @field in the object
3192 * The pointer provided by value must be of the field type, for reference
3193 * types this is a MonoObject*, for value types its the actual pointer to
3198 * mono_field_get_value (obj, int_field, &i);
3201 mono_field_get_value (MonoObject *obj, MonoClassField *field, void *value)
3203 MONO_REQ_GC_UNSAFE_MODE;
3209 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3211 src = (char*)obj + field->offset;
3212 mono_copy_value (field->type, value, src, TRUE);
3216 * mono_field_get_value_object:
3217 * @domain: domain where the object will be created (if boxing)
3218 * @field: MonoClassField describing the field to fetch information from
3219 * @obj: The object instance for the field.
3221 * Returns: a new MonoObject with the value from the given field. If the
3222 * field represents a value type, the value is boxed.
3226 mono_field_get_value_object (MonoDomain *domain, MonoClassField *field, MonoObject *obj)
3228 MONO_REQ_GC_UNSAFE_MODE;
3233 MonoVTable *vtable = NULL;
3235 gboolean is_static = FALSE;
3236 gboolean is_ref = FALSE;
3237 gboolean is_literal = FALSE;
3238 gboolean is_ptr = FALSE;
3239 MonoType *type = mono_field_get_type_checked (field, &error);
3241 if (!mono_error_ok (&error))
3242 mono_error_raise_exception (&error);
3244 switch (type->type) {
3245 case MONO_TYPE_STRING:
3246 case MONO_TYPE_OBJECT:
3247 case MONO_TYPE_CLASS:
3248 case MONO_TYPE_ARRAY:
3249 case MONO_TYPE_SZARRAY:
3254 case MONO_TYPE_BOOLEAN:
3257 case MONO_TYPE_CHAR:
3266 case MONO_TYPE_VALUETYPE:
3267 is_ref = type->byref;
3269 case MONO_TYPE_GENERICINST:
3270 is_ref = !mono_type_generic_inst_is_valuetype (type);
3276 g_error ("type 0x%x not handled in "
3277 "mono_field_get_value_object", type->type);
3281 if (type->attrs & FIELD_ATTRIBUTE_LITERAL)
3284 if (type->attrs & FIELD_ATTRIBUTE_STATIC) {
3288 vtable = mono_class_vtable_full (domain, field->parent, TRUE);
3289 if (!vtable->initialized)
3290 mono_runtime_class_init (vtable);
3298 get_default_field_value (domain, field, &o);
3299 } else if (is_static) {
3300 mono_field_static_get_value (vtable, field, &o);
3302 mono_field_get_value (obj, field, &o);
3308 static MonoMethod *m;
3314 MonoClass *ptr_klass = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
3315 m = mono_class_get_method_from_name_flags (ptr_klass, "Box", 2, METHOD_ATTRIBUTE_STATIC);
3321 get_default_field_value (domain, field, v);
3322 } else if (is_static) {
3323 mono_field_static_get_value (vtable, field, v);
3325 mono_field_get_value (obj, field, v);
3328 /* MONO_TYPE_PTR is passed by value to runtime_invoke () */
3329 args [0] = ptr ? *ptr : NULL;
3330 args [1] = mono_type_get_object_checked (mono_domain_get (), type, &error);
3331 mono_error_raise_exception (&error); /* FIXME don't raise here */
3333 return mono_runtime_invoke (m, NULL, args, NULL);
3336 /* boxed value type */
3337 klass = mono_class_from_mono_type (type);
3339 if (mono_class_is_nullable (klass))
3340 return mono_nullable_box (mono_field_get_addr (obj, vtable, field), klass);
3342 o = mono_object_new (domain, klass);
3343 v = ((gchar *) o) + sizeof (MonoObject);
3346 get_default_field_value (domain, field, v);
3347 } else if (is_static) {
3348 mono_field_static_get_value (vtable, field, v);
3350 mono_field_get_value (obj, field, v);
3357 mono_get_constant_value_from_blob (MonoDomain* domain, MonoTypeEnum type, const char *blob, void *value)
3359 MONO_REQ_GC_UNSAFE_MODE;
3362 const char *p = blob;
3363 mono_metadata_decode_blob_size (p, &p);
3366 case MONO_TYPE_BOOLEAN:
3369 *(guint8 *) value = *p;
3371 case MONO_TYPE_CHAR:
3374 *(guint16*) value = read16 (p);
3378 *(guint32*) value = read32 (p);
3382 *(guint64*) value = read64 (p);
3385 readr4 (p, (float*) value);
3388 readr8 (p, (double*) value);
3390 case MONO_TYPE_STRING:
3391 *(gpointer*) value = mono_ldstr_metadata_sig (domain, blob);
3393 case MONO_TYPE_CLASS:
3394 *(gpointer*) value = NULL;
3398 g_warning ("type 0x%02x should not be in constant table", type);
3404 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value)
3406 MONO_REQ_GC_NEUTRAL_MODE;
3408 MonoTypeEnum def_type;
3411 data = mono_class_get_field_default_value (field, &def_type);
3412 mono_get_constant_value_from_blob (domain, def_type, data, value);
3416 mono_field_static_get_value_for_thread (MonoInternalThread *thread, MonoVTable *vt, MonoClassField *field, void *value)
3418 MONO_REQ_GC_UNSAFE_MODE;
3422 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3424 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL) {
3425 get_default_field_value (vt->domain, field, value);
3429 if (field->offset == -1) {
3430 /* Special static */
3431 gpointer addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3432 src = mono_get_special_static_data_for_thread (thread, GPOINTER_TO_UINT (addr));
3434 src = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3436 mono_copy_value (field->type, value, src, TRUE);
3440 * mono_field_static_get_value:
3441 * @vt: vtable to the object
3442 * @field: MonoClassField describing the field to fetch information from
3443 * @value: where the value is returned
3445 * Use this routine to get the value of the static field @field value.
3447 * The pointer provided by value must be of the field type, for reference
3448 * types this is a MonoObject*, for value types its the actual pointer to
3453 * mono_field_static_get_value (vt, int_field, &i);
3456 mono_field_static_get_value (MonoVTable *vt, MonoClassField *field, void *value)
3458 MONO_REQ_GC_NEUTRAL_MODE;
3460 mono_field_static_get_value_for_thread (mono_thread_internal_current (), vt, field, value);
3464 * mono_property_set_value:
3465 * @prop: MonoProperty to set
3466 * @obj: instance object on which to act
3467 * @params: parameters to pass to the propery
3468 * @exc: optional exception
3470 * Invokes the property's set method with the given arguments on the
3471 * object instance obj (or NULL for static properties).
3473 * You can pass NULL as the exc argument if you don't want to
3474 * catch exceptions, otherwise, *exc will be set to the exception
3475 * thrown, if any. if an exception is thrown, you can't use the
3476 * MonoObject* result from the function.
3479 mono_property_set_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3481 MONO_REQ_GC_UNSAFE_MODE;
3483 do_runtime_invoke (prop->set, obj, params, exc);
3487 * mono_property_get_value:
3488 * @prop: MonoProperty to fetch
3489 * @obj: instance object on which to act
3490 * @params: parameters to pass to the propery
3491 * @exc: optional exception
3493 * Invokes the property's get method with the given arguments on the
3494 * object instance obj (or NULL for static properties).
3496 * You can pass NULL as the exc argument if you don't want to
3497 * catch exceptions, otherwise, *exc will be set to the exception
3498 * thrown, if any. if an exception is thrown, you can't use the
3499 * MonoObject* result from the function.
3501 * Returns: the value from invoking the get method on the property.
3504 mono_property_get_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3506 MONO_REQ_GC_UNSAFE_MODE;
3508 return do_runtime_invoke (prop->get, obj, params, exc);
3512 * mono_nullable_init:
3513 * @buf: The nullable structure to initialize.
3514 * @value: the value to initialize from
3515 * @klass: the type for the object
3517 * Initialize the nullable structure pointed to by @buf from @value which
3518 * should be a boxed value type. The size of @buf should be able to hold
3519 * as much data as the @klass->instance_size (which is the number of bytes
3520 * that will be copies).
3522 * Since Nullables have variable structure, we can not define a C
3523 * structure for them.
3526 mono_nullable_init (guint8 *buf, MonoObject *value, MonoClass *klass)
3528 MONO_REQ_GC_UNSAFE_MODE;
3530 MonoClass *param_class = klass->cast_class;
3532 mono_class_setup_fields_locking (klass);
3533 g_assert (klass->fields_inited);
3535 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3536 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3538 *(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject)) = value ? 1 : 0;
3540 if (param_class->has_references)
3541 mono_gc_wbarrier_value_copy (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), 1, param_class);
3543 mono_gc_memmove_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), mono_class_value_size (param_class, NULL));
3545 mono_gc_bzero_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3550 * mono_nullable_box:
3551 * @buf: The buffer representing the data to be boxed
3552 * @klass: the type to box it as.
3554 * Creates a boxed vtype or NULL from the Nullable structure pointed to by
3558 mono_nullable_box (guint8 *buf, MonoClass *klass)
3560 MONO_REQ_GC_UNSAFE_MODE;
3562 MonoClass *param_class = klass->cast_class;
3564 mono_class_setup_fields_locking (klass);
3565 g_assert (klass->fields_inited);
3567 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3568 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3570 if (*(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject))) {
3571 MonoObject *o = mono_object_new (mono_domain_get (), param_class);
3572 if (param_class->has_references)
3573 mono_gc_wbarrier_value_copy (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), 1, param_class);
3575 mono_gc_memmove_atomic (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3583 * mono_get_delegate_invoke:
3584 * @klass: The delegate class
3586 * Returns: the MonoMethod for the "Invoke" method in the delegate klass or NULL if @klass is a broken delegate type
3589 mono_get_delegate_invoke (MonoClass *klass)
3591 MONO_REQ_GC_NEUTRAL_MODE;
3595 /* This is called at runtime, so avoid the slower search in metadata */
3596 mono_class_setup_methods (klass);
3597 if (klass->exception_type)
3599 im = mono_class_get_method_from_name (klass, "Invoke", -1);
3604 * mono_get_delegate_begin_invoke:
3605 * @klass: The delegate class
3607 * Returns: the MonoMethod for the "BeginInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3610 mono_get_delegate_begin_invoke (MonoClass *klass)
3612 MONO_REQ_GC_NEUTRAL_MODE;
3616 /* This is called at runtime, so avoid the slower search in metadata */
3617 mono_class_setup_methods (klass);
3618 if (klass->exception_type)
3620 im = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
3625 * mono_get_delegate_end_invoke:
3626 * @klass: The delegate class
3628 * Returns: the MonoMethod for the "EndInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3631 mono_get_delegate_end_invoke (MonoClass *klass)
3633 MONO_REQ_GC_NEUTRAL_MODE;
3637 /* This is called at runtime, so avoid the slower search in metadata */
3638 mono_class_setup_methods (klass);
3639 if (klass->exception_type)
3641 im = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3646 * mono_runtime_delegate_invoke:
3647 * @delegate: pointer to a delegate object.
3648 * @params: parameters for the delegate.
3649 * @exc: Pointer to the exception result.
3651 * Invokes the delegate method @delegate with the parameters provided.
3653 * You can pass NULL as the exc argument if you don't want to
3654 * catch exceptions, otherwise, *exc will be set to the exception
3655 * thrown, if any. if an exception is thrown, you can't use the
3656 * MonoObject* result from the function.
3659 mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
3661 MONO_REQ_GC_UNSAFE_MODE;
3664 MonoClass *klass = delegate->vtable->klass;
3666 im = mono_get_delegate_invoke (klass);
3668 g_error ("Could not lookup delegate invoke method for delegate %s", mono_type_get_full_name (klass));
3670 return mono_runtime_invoke (im, delegate, params, exc);
3673 static char **main_args = NULL;
3674 static int num_main_args = 0;
3677 * mono_runtime_get_main_args:
3679 * Returns: a MonoArray with the arguments passed to the main program
3682 mono_runtime_get_main_args (void)
3684 MONO_REQ_GC_UNSAFE_MODE;
3688 MonoDomain *domain = mono_domain_get ();
3690 res = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, num_main_args);
3692 for (i = 0; i < num_main_args; ++i)
3693 mono_array_setref (res, i, mono_string_new (domain, main_args [i]));
3699 free_main_args (void)
3701 MONO_REQ_GC_NEUTRAL_MODE;
3705 for (i = 0; i < num_main_args; ++i)
3706 g_free (main_args [i]);
3713 * mono_runtime_set_main_args:
3714 * @argc: number of arguments from the command line
3715 * @argv: array of strings from the command line
3717 * Set the command line arguments from an embedding application that doesn't otherwise call
3718 * mono_runtime_run_main ().
3721 mono_runtime_set_main_args (int argc, char* argv[])
3723 MONO_REQ_GC_NEUTRAL_MODE;
3728 main_args = g_new0 (char*, argc);
3729 num_main_args = argc;
3731 for (i = 0; i < argc; ++i) {
3734 utf8_arg = mono_utf8_from_external (argv[i]);
3735 if (utf8_arg == NULL) {
3736 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv [i]);
3737 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3741 main_args [i] = utf8_arg;
3748 * mono_runtime_run_main:
3749 * @method: the method to start the application with (usually Main)
3750 * @argc: number of arguments from the command line
3751 * @argv: array of strings from the command line
3752 * @exc: excetption results
3754 * Execute a standard Main() method (argc/argv contains the
3755 * executable name). This method also sets the command line argument value
3756 * needed by System.Environment.
3761 mono_runtime_run_main (MonoMethod *method, int argc, char* argv[],
3764 MONO_REQ_GC_UNSAFE_MODE;
3767 MonoArray *args = NULL;
3768 MonoDomain *domain = mono_domain_get ();
3769 gchar *utf8_fullpath;
3770 MonoMethodSignature *sig;
3772 g_assert (method != NULL);
3774 mono_thread_set_main (mono_thread_current ());
3776 main_args = g_new0 (char*, argc);
3777 num_main_args = argc;
3779 if (!g_path_is_absolute (argv [0])) {
3780 gchar *basename = g_path_get_basename (argv [0]);
3781 gchar *fullpath = g_build_filename (method->klass->image->assembly->basedir,
3785 utf8_fullpath = mono_utf8_from_external (fullpath);
3786 if(utf8_fullpath == NULL) {
3787 /* Printing the arg text will cause glib to
3788 * whinge about "Invalid UTF-8", but at least
3789 * its relevant, and shows the problem text
3792 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", fullpath);
3793 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3800 utf8_fullpath = mono_utf8_from_external (argv[0]);
3801 if(utf8_fullpath == NULL) {
3802 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", argv[0]);
3803 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3808 main_args [0] = utf8_fullpath;
3810 for (i = 1; i < argc; ++i) {
3813 utf8_arg=mono_utf8_from_external (argv[i]);
3814 if(utf8_arg==NULL) {
3815 /* Ditto the comment about Invalid UTF-8 here */
3816 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv[i]);
3817 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3821 main_args [i] = utf8_arg;
3826 sig = mono_method_signature (method);
3828 g_print ("Unable to load Main method.\n");
3832 if (sig->param_count) {
3833 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, argc);
3834 for (i = 0; i < argc; ++i) {
3835 /* The encodings should all work, given that
3836 * we've checked all these args for the
3839 gchar *str = mono_utf8_from_external (argv [i]);
3840 MonoString *arg = mono_string_new (domain, str);
3841 mono_array_setref (args, i, arg);
3845 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
3848 mono_assembly_set_main (method->klass->image->assembly);
3850 return mono_runtime_exec_main (method, args, exc);
3854 serialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3856 static MonoMethod *serialize_method;
3861 if (!serialize_method) {
3862 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3863 serialize_method = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
3866 if (!serialize_method) {
3871 g_assert (!mono_class_is_marshalbyref (mono_object_class (obj)));
3875 array = mono_runtime_invoke (serialize_method, NULL, params, exc);
3883 deserialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3885 MONO_REQ_GC_UNSAFE_MODE;
3887 static MonoMethod *deserialize_method;
3892 if (!deserialize_method) {
3893 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3894 deserialize_method = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
3896 if (!deserialize_method) {
3903 result = mono_runtime_invoke (deserialize_method, NULL, params, exc);
3910 #ifndef DISABLE_REMOTING
3912 make_transparent_proxy (MonoObject *obj, gboolean *failure, MonoObject **exc)
3914 MONO_REQ_GC_UNSAFE_MODE;
3916 static MonoMethod *get_proxy_method;
3919 MonoDomain *domain = mono_domain_get ();
3920 MonoRealProxy *real_proxy;
3921 MonoReflectionType *reflection_type;
3922 MonoTransparentProxy *transparent_proxy;
3924 if (!get_proxy_method)
3925 get_proxy_method = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
3927 g_assert (mono_class_is_marshalbyref (obj->vtable->klass));
3929 real_proxy = (MonoRealProxy*) mono_object_new (domain, mono_defaults.real_proxy_class);
3930 reflection_type = mono_type_get_object_checked (domain, &obj->vtable->klass->byval_arg, &error);
3931 mono_error_raise_exception (&error); /* FIXME don't raise here */
3933 MONO_OBJECT_SETREF (real_proxy, class_to_proxy, reflection_type);
3934 MONO_OBJECT_SETREF (real_proxy, unwrapped_server, obj);
3937 transparent_proxy = (MonoTransparentProxy*) mono_runtime_invoke (get_proxy_method, real_proxy, NULL, exc);
3941 return (MonoObject*) transparent_proxy;
3943 #endif /* DISABLE_REMOTING */
3946 * mono_object_xdomain_representation
3948 * @target_domain: a domain
3949 * @exc: pointer to a MonoObject*
3951 * Creates a representation of obj in the domain target_domain. This
3952 * is either a copy of obj arrived through via serialization and
3953 * deserialization or a proxy, depending on whether the object is
3954 * serializable or marshal by ref. obj must not be in target_domain.
3956 * If the object cannot be represented in target_domain, NULL is
3957 * returned and *exc is set to an appropriate exception.
3960 mono_object_xdomain_representation (MonoObject *obj, MonoDomain *target_domain, MonoObject **exc)
3962 MONO_REQ_GC_UNSAFE_MODE;
3964 MonoObject *deserialized = NULL;
3965 gboolean failure = FALSE;
3969 #ifndef DISABLE_REMOTING
3970 if (mono_class_is_marshalbyref (mono_object_class (obj))) {
3971 deserialized = make_transparent_proxy (obj, &failure, exc);
3976 MonoDomain *domain = mono_domain_get ();
3977 MonoObject *serialized;
3979 mono_domain_set_internal_with_options (mono_object_domain (obj), FALSE);
3980 serialized = serialize_object (obj, &failure, exc);
3981 mono_domain_set_internal_with_options (target_domain, FALSE);
3983 deserialized = deserialize_object (serialized, &failure, exc);
3984 if (domain != target_domain)
3985 mono_domain_set_internal_with_options (domain, FALSE);
3988 return deserialized;
3991 /* Used in call_unhandled_exception_delegate */
3993 create_unhandled_exception_eventargs (MonoObject *exc)
3995 MONO_REQ_GC_UNSAFE_MODE;
3999 MonoMethod *method = NULL;
4000 MonoBoolean is_terminating = TRUE;
4003 klass = mono_class_from_name (mono_defaults.corlib, "System", "UnhandledExceptionEventArgs");
4006 mono_class_init (klass);
4008 /* UnhandledExceptionEventArgs only has 1 public ctor with 2 args */
4009 method = mono_class_get_method_from_name_flags (klass, ".ctor", 2, METHOD_ATTRIBUTE_PUBLIC);
4013 args [1] = &is_terminating;
4015 obj = mono_object_new (mono_domain_get (), klass);
4016 mono_runtime_invoke (method, obj, args, NULL);
4021 /* Used in mono_unhandled_exception */
4023 call_unhandled_exception_delegate (MonoDomain *domain, MonoObject *delegate, MonoObject *exc) {
4024 MONO_REQ_GC_UNSAFE_MODE;
4026 MonoObject *e = NULL;
4028 MonoDomain *current_domain = mono_domain_get ();
4030 if (domain != current_domain)
4031 mono_domain_set_internal_with_options (domain, FALSE);
4033 g_assert (domain == mono_object_domain (domain->domain));
4035 if (mono_object_domain (exc) != domain) {
4036 MonoObject *serialization_exc;
4038 exc = mono_object_xdomain_representation (exc, domain, &serialization_exc);
4040 if (serialization_exc) {
4042 exc = mono_object_xdomain_representation (serialization_exc, domain, &dummy);
4045 exc = (MonoObject*) mono_exception_from_name_msg (mono_get_corlib (),
4046 "System.Runtime.Serialization", "SerializationException",
4047 "Could not serialize unhandled exception.");
4051 g_assert (mono_object_domain (exc) == domain);
4053 pa [0] = domain->domain;
4054 pa [1] = create_unhandled_exception_eventargs (exc);
4055 mono_runtime_delegate_invoke (delegate, pa, &e);
4057 if (domain != current_domain)
4058 mono_domain_set_internal_with_options (current_domain, FALSE);
4062 gchar *msg = mono_string_to_utf8_checked (((MonoException *) e)->message, &error);
4063 if (!mono_error_ok (&error)) {
4064 g_warning ("Exception inside UnhandledException handler with invalid message (Invalid characters)\n");
4065 mono_error_cleanup (&error);
4067 g_warning ("exception inside UnhandledException handler: %s\n", msg);
4073 static MonoRuntimeUnhandledExceptionPolicy runtime_unhandled_exception_policy = MONO_UNHANDLED_POLICY_CURRENT;
4076 * mono_runtime_unhandled_exception_policy_set:
4077 * @policy: the new policy
4079 * This is a VM internal routine.
4081 * Sets the runtime policy for handling unhandled exceptions.
4084 mono_runtime_unhandled_exception_policy_set (MonoRuntimeUnhandledExceptionPolicy policy) {
4085 runtime_unhandled_exception_policy = policy;
4089 * mono_runtime_unhandled_exception_policy_get:
4091 * This is a VM internal routine.
4093 * Gets the runtime policy for handling unhandled exceptions.
4095 MonoRuntimeUnhandledExceptionPolicy
4096 mono_runtime_unhandled_exception_policy_get (void) {
4097 return runtime_unhandled_exception_policy;
4101 * mono_unhandled_exception:
4102 * @exc: exception thrown
4104 * This is a VM internal routine.
4106 * We call this function when we detect an unhandled exception
4107 * in the default domain.
4109 * It invokes the * UnhandledException event in AppDomain or prints
4110 * a warning to the console
4113 mono_unhandled_exception (MonoObject *exc)
4115 MONO_REQ_GC_UNSAFE_MODE;
4117 MonoClassField *field;
4118 MonoDomain *current_domain, *root_domain;
4119 MonoObject *current_appdomain_delegate = NULL, *root_appdomain_delegate = NULL;
4121 if (mono_class_has_parent (exc->vtable->klass, mono_defaults.threadabortexception_class))
4124 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "UnhandledException");
4127 current_domain = mono_domain_get ();
4128 root_domain = mono_get_root_domain ();
4130 root_appdomain_delegate = mono_field_get_value_object (root_domain, field, (MonoObject*) root_domain->domain);
4131 if (current_domain != root_domain)
4132 current_appdomain_delegate = mono_field_get_value_object (current_domain, field, (MonoObject*) current_domain->domain);
4134 /* set exitcode only if we will abort the process */
4135 if (!current_appdomain_delegate && !root_appdomain_delegate) {
4136 if ((main_thread && mono_thread_internal_current () == main_thread->internal_thread)
4137 || mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_CURRENT)
4139 mono_environment_exitcode_set (1);
4142 mono_print_unhandled_exception (exc);
4144 if (root_appdomain_delegate)
4145 call_unhandled_exception_delegate (root_domain, root_appdomain_delegate, exc);
4146 if (current_appdomain_delegate)
4147 call_unhandled_exception_delegate (current_domain, current_appdomain_delegate, exc);
4152 * mono_runtime_exec_managed_code:
4153 * @domain: Application domain
4154 * @main_func: function to invoke from the execution thread
4155 * @main_args: parameter to the main_func
4157 * Launch a new thread to execute a function
4159 * main_func is called back from the thread with main_args as the
4160 * parameter. The callback function is expected to start Main()
4161 * eventually. This function then waits for all managed threads to
4163 * It is not necesseray anymore to execute managed code in a subthread,
4164 * so this function should not be used anymore by default: just
4165 * execute the code and then call mono_thread_manage ().
4168 mono_runtime_exec_managed_code (MonoDomain *domain,
4169 MonoMainThreadFunc main_func,
4172 mono_thread_create (domain, main_func, main_args);
4174 mono_thread_manage ();
4178 * Execute a standard Main() method (args doesn't contain the
4182 mono_runtime_exec_main (MonoMethod *method, MonoArray *args, MonoObject **exc)
4184 MONO_REQ_GC_UNSAFE_MODE;
4189 MonoCustomAttrInfo* cinfo;
4190 gboolean has_stathread_attribute;
4191 MonoInternalThread* thread = mono_thread_internal_current ();
4197 domain = mono_object_domain (args);
4198 if (!domain->entry_assembly) {
4200 MonoAssembly *assembly;
4202 assembly = method->klass->image->assembly;
4203 domain->entry_assembly = assembly;
4204 /* Domains created from another domain already have application_base and configuration_file set */
4205 if (domain->setup->application_base == NULL) {
4206 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, assembly->basedir));
4209 if (domain->setup->configuration_file == NULL) {
4210 str = g_strconcat (assembly->image->name, ".config", NULL);
4211 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, str));
4213 mono_domain_set_options_from_config (domain);
4217 cinfo = mono_custom_attrs_from_method (method);
4219 static MonoClass *stathread_attribute = NULL;
4220 if (!stathread_attribute)
4221 stathread_attribute = mono_class_from_name (mono_defaults.corlib, "System", "STAThreadAttribute");
4222 has_stathread_attribute = mono_custom_attrs_has_attr (cinfo, stathread_attribute);
4224 mono_custom_attrs_free (cinfo);
4226 has_stathread_attribute = FALSE;
4228 if (has_stathread_attribute) {
4229 thread->apartment_state = ThreadApartmentState_STA;
4231 thread->apartment_state = ThreadApartmentState_MTA;
4233 mono_thread_init_apartment_state ();
4235 /* FIXME: check signature of method */
4236 if (mono_method_signature (method)->ret->type == MONO_TYPE_I4) {
4238 res = mono_runtime_invoke (method, NULL, pa, exc);
4240 rval = *(guint32 *)((char *)res + sizeof (MonoObject));
4244 mono_environment_exitcode_set (rval);
4246 mono_runtime_invoke (method, NULL, pa, exc);
4250 /* If the return type of Main is void, only
4251 * set the exitcode if an exception was thrown
4252 * (we don't want to blow away an
4253 * explicitly-set exit code)
4256 mono_environment_exitcode_set (rval);
4264 * mono_runtime_invoke_array:
4265 * @method: method to invoke
4266 * @obJ: object instance
4267 * @params: arguments to the method
4268 * @exc: exception information.
4270 * Invokes the method represented by @method on the object @obj.
4272 * obj is the 'this' pointer, it should be NULL for static
4273 * methods, a MonoObject* for object instances and a pointer to
4274 * the value type for value types.
4276 * The params array contains the arguments to the method with the
4277 * same convention: MonoObject* pointers for object instances and
4278 * pointers to the value type otherwise. The _invoke_array
4279 * variant takes a C# object[] as the params argument (MonoArray
4280 * *params): in this case the value types are boxed inside the
4281 * respective reference representation.
4283 * From unmanaged code you'll usually use the
4284 * mono_runtime_invoke() variant.
4286 * Note that this function doesn't handle virtual methods for
4287 * you, it will exec the exact method you pass: we still need to
4288 * expose a function to lookup the derived class implementation
4289 * of a virtual method (there are examples of this in the code,
4292 * You can pass NULL as the exc argument if you don't want to
4293 * catch exceptions, otherwise, *exc will be set to the exception
4294 * thrown, if any. if an exception is thrown, you can't use the
4295 * MonoObject* result from the function.
4297 * If the method returns a value type, it is boxed in an object
4301 mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
4304 MONO_REQ_GC_UNSAFE_MODE;
4307 MonoMethodSignature *sig = mono_method_signature (method);
4308 gpointer *pa = NULL;
4311 gboolean has_byref_nullables = FALSE;
4313 if (NULL != params) {
4314 pa = (void **)alloca (sizeof (gpointer) * mono_array_length (params));
4315 for (i = 0; i < mono_array_length (params); i++) {
4316 MonoType *t = sig->params [i];
4322 case MONO_TYPE_BOOLEAN:
4325 case MONO_TYPE_CHAR:
4334 case MONO_TYPE_VALUETYPE:
4335 if (t->type == MONO_TYPE_VALUETYPE && mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4336 /* The runtime invoke wrapper needs the original boxed vtype, it does handle byref values as well. */
4337 pa [i] = mono_array_get (params, MonoObject*, i);
4339 has_byref_nullables = TRUE;
4341 /* MS seems to create the objects if a null is passed in */
4342 if (!mono_array_get (params, MonoObject*, i))
4343 mono_array_setref (params, i, mono_object_new (mono_domain_get (), mono_class_from_mono_type (sig->params [i])));
4347 * We can't pass the unboxed vtype byref to the callee, since
4348 * that would mean the callee would be able to modify boxed
4349 * primitive types. So we (and MS) make a copy of the boxed
4350 * object, pass that to the callee, and replace the original
4351 * boxed object in the arg array with the copy.
4353 MonoObject *orig = mono_array_get (params, MonoObject*, i);
4354 MonoObject *copy = mono_value_box (mono_domain_get (), orig->vtable->klass, mono_object_unbox (orig));
4355 mono_array_setref (params, i, copy);
4358 pa [i] = mono_object_unbox (mono_array_get (params, MonoObject*, i));
4361 case MONO_TYPE_STRING:
4362 case MONO_TYPE_OBJECT:
4363 case MONO_TYPE_CLASS:
4364 case MONO_TYPE_ARRAY:
4365 case MONO_TYPE_SZARRAY:
4367 pa [i] = mono_array_addr (params, MonoObject*, i);
4368 // FIXME: I need to check this code path
4370 pa [i] = mono_array_get (params, MonoObject*, i);
4372 case MONO_TYPE_GENERICINST:
4374 t = &t->data.generic_class->container_class->this_arg;
4376 t = &t->data.generic_class->container_class->byval_arg;
4378 case MONO_TYPE_PTR: {
4381 /* The argument should be an IntPtr */
4382 arg = mono_array_get (params, MonoObject*, i);
4386 g_assert (arg->vtable->klass == mono_defaults.int_class);
4387 pa [i] = ((MonoIntPtr*)arg)->m_value;
4392 g_error ("type 0x%x not handled in mono_runtime_invoke_array", sig->params [i]->type);
4397 if (!strcmp (method->name, ".ctor") && method->klass != mono_defaults.string_class) {
4400 if (mono_class_is_nullable (method->klass)) {
4401 /* Need to create a boxed vtype instead */
4407 return mono_value_box (mono_domain_get (), method->klass->cast_class, pa [0]);
4411 obj = mono_object_new (mono_domain_get (), method->klass);
4412 g_assert (obj); /*maybe we should raise a TLE instead?*/
4413 #ifndef DISABLE_REMOTING
4414 if (mono_object_class(obj) == mono_defaults.transparent_proxy_class) {
4415 method = mono_marshal_get_remoting_invoke (method->slot == -1 ? method : method->klass->vtable [method->slot]);
4418 if (method->klass->valuetype)
4419 o = (MonoObject *)mono_object_unbox ((MonoObject *)obj);
4422 } else if (method->klass->valuetype) {
4423 obj = mono_value_box (mono_domain_get (), method->klass, obj);
4426 mono_runtime_invoke (method, o, pa, exc);
4427 return (MonoObject *)obj;
4429 if (mono_class_is_nullable (method->klass)) {
4430 MonoObject *nullable;
4432 /* Convert the unboxed vtype into a Nullable structure */
4433 nullable = mono_object_new (mono_domain_get (), method->klass);
4435 mono_nullable_init ((guint8 *)mono_object_unbox (nullable), mono_value_box (mono_domain_get (), method->klass->cast_class, obj), method->klass);
4436 obj = mono_object_unbox (nullable);
4439 /* obj must be already unboxed if needed */
4440 res = mono_runtime_invoke (method, obj, pa, exc);
4442 if (sig->ret->type == MONO_TYPE_PTR) {
4443 MonoClass *pointer_class;
4444 static MonoMethod *box_method;
4446 MonoObject *box_exc;
4449 * The runtime-invoke wrapper returns a boxed IntPtr, need to
4450 * convert it to a Pointer object.
4452 pointer_class = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
4454 box_method = mono_class_get_method_from_name (pointer_class, "Box", -1);
4456 g_assert (res->vtable->klass == mono_defaults.int_class);
4457 box_args [0] = ((MonoIntPtr*)res)->m_value;
4458 box_args [1] = mono_type_get_object_checked (mono_domain_get (), sig->ret, &error);
4459 mono_error_raise_exception (&error); /* FIXME don't raise here */
4461 res = mono_runtime_invoke (box_method, NULL, box_args, &box_exc);
4462 g_assert (!box_exc);
4465 if (has_byref_nullables) {
4467 * The runtime invoke wrapper already converted byref nullables back,
4468 * and stored them in pa, we just need to copy them back to the
4471 for (i = 0; i < mono_array_length (params); i++) {
4472 MonoType *t = sig->params [i];
4474 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4475 mono_array_setref (params, i, pa [i]);
4485 * @klass: the class of the object that we want to create
4487 * Returns: a newly created object whose definition is
4488 * looked up using @klass. This will not invoke any constructors,
4489 * so the consumer of this routine has to invoke any constructors on
4490 * its own to initialize the object.
4492 * It returns NULL on failure.
4495 mono_object_new (MonoDomain *domain, MonoClass *klass)
4497 MONO_REQ_GC_UNSAFE_MODE;
4501 vtable = mono_class_vtable (domain, klass);
4506 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4507 mono_error_raise_exception (&error); /* FIXME don't raise here */
4513 * mono_object_new_pinned:
4515 * Same as mono_object_new, but the returned object will be pinned.
4516 * For SGEN, these objects will only be freed at appdomain unload.
4519 mono_object_new_pinned (MonoDomain *domain, MonoClass *klass, MonoError *error)
4521 MONO_REQ_GC_UNSAFE_MODE;
4525 mono_error_init (error);
4527 vtable = mono_class_vtable (domain, klass);
4528 g_assert (vtable); /* FIXME don't swallow the error */
4530 MonoObject *o = (MonoObject *)mono_gc_alloc_pinned_obj (vtable, mono_class_instance_size (klass));
4532 if (G_UNLIKELY (!o))
4533 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", mono_class_instance_size (klass));
4534 else if (G_UNLIKELY (vtable->klass->has_finalize))
4535 mono_object_register_finalizer (o);
4541 * mono_object_new_specific:
4542 * @vtable: the vtable of the object that we want to create
4544 * Returns: A newly created object with class and domain specified
4548 mono_object_new_specific (MonoVTable *vtable)
4551 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4552 mono_error_raise_exception (&error);
4558 mono_object_new_specific_checked (MonoVTable *vtable, MonoError *error)
4560 MONO_REQ_GC_UNSAFE_MODE;
4564 mono_error_init (error);
4566 /* check for is_com_object for COM Interop */
4567 if (mono_vtable_is_remote (vtable) || mono_class_is_com_object (vtable->klass))
4570 MonoMethod *im = vtable->domain->create_proxy_for_type_method;
4573 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Activation", "ActivationServices");
4576 mono_class_init (klass);
4578 im = mono_class_get_method_from_name (klass, "CreateProxyForType", 1);
4580 mono_error_set_generic_error (error, "System", "NotSupportedException", "Linked away.");
4583 vtable->domain->create_proxy_for_type_method = im;
4586 pa [0] = mono_type_get_object_checked (mono_domain_get (), &vtable->klass->byval_arg, error);
4587 if (!mono_error_ok (error))
4590 o = mono_runtime_invoke (im, NULL, pa, NULL);
4591 if (o != NULL) return o;
4594 return mono_object_new_alloc_specific_checked (vtable, error);
4598 ves_icall_object_new_specific (MonoVTable *vtable)
4601 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4602 mono_error_raise_exception (&error);
4608 mono_object_new_alloc_specific (MonoVTable *vtable)
4611 MonoObject *o = mono_object_new_alloc_specific_checked (vtable, &error);
4612 mono_error_raise_exception (&error);
4618 mono_object_new_alloc_specific_checked (MonoVTable *vtable, MonoError *error)
4620 MONO_REQ_GC_UNSAFE_MODE;
4624 mono_error_init (error);
4626 o = (MonoObject *)mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4628 if (G_UNLIKELY (!o))
4629 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4630 else if (G_UNLIKELY (vtable->klass->has_finalize))
4631 mono_object_register_finalizer (o);
4637 mono_object_new_fast (MonoVTable *vtable)
4640 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
4641 mono_error_raise_exception (&error);
4647 mono_object_new_fast_checked (MonoVTable *vtable, MonoError *error)
4649 MONO_REQ_GC_UNSAFE_MODE;
4653 mono_error_init (error);
4655 o = mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4657 if (G_UNLIKELY (!o))
4658 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4664 ves_icall_object_new_fast (MonoVTable *vtable)
4667 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
4668 mono_error_raise_exception (&error);
4674 mono_object_new_mature (MonoVTable *vtable, MonoError *error)
4676 MONO_REQ_GC_UNSAFE_MODE;
4680 mono_error_init (error);
4682 o = mono_gc_alloc_mature (vtable, vtable->klass->instance_size);
4684 if (G_UNLIKELY (!o))
4685 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4686 else if (G_UNLIKELY (vtable->klass->has_finalize))
4687 mono_object_register_finalizer (o);
4693 * mono_class_get_allocation_ftn:
4695 * @for_box: the object will be used for boxing
4696 * @pass_size_in_words:
4698 * Return the allocation function appropriate for the given class.
4702 mono_class_get_allocation_ftn (MonoVTable *vtable, gboolean for_box, gboolean *pass_size_in_words)
4704 MONO_REQ_GC_NEUTRAL_MODE;
4706 *pass_size_in_words = FALSE;
4708 if (mono_class_has_finalizer (vtable->klass) || mono_class_is_marshalbyref (vtable->klass) || (mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS))
4709 return ves_icall_object_new_specific;
4711 if (vtable->gc_descr != MONO_GC_DESCRIPTOR_NULL) {
4713 return ves_icall_object_new_fast;
4716 * FIXME: This is actually slower than ves_icall_object_new_fast, because
4717 * of the overhead of parameter passing.
4720 *pass_size_in_words = TRUE;
4721 #ifdef GC_REDIRECT_TO_LOCAL
4722 return GC_local_gcj_fast_malloc;
4724 return GC_gcj_fast_malloc;
4729 return ves_icall_object_new_specific;
4733 * mono_object_new_from_token:
4734 * @image: Context where the type_token is hosted
4735 * @token: a token of the type that we want to create
4737 * Returns: A newly created object whose definition is
4738 * looked up using @token in the @image image
4741 mono_object_new_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
4743 MONO_REQ_GC_UNSAFE_MODE;
4748 klass = mono_class_get_checked (image, token, &error);
4749 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4751 return mono_object_new (domain, klass);
4756 * mono_object_clone:
4757 * @obj: the object to clone
4759 * Returns: A newly created object who is a shallow copy of @obj
4762 mono_object_clone (MonoObject *obj)
4765 MonoObject *o = mono_object_clone_checked (obj, &error);
4766 mono_error_raise_exception (&error);
4772 mono_object_clone_checked (MonoObject *obj, MonoError *error)
4774 MONO_REQ_GC_UNSAFE_MODE;
4779 mono_error_init (error);
4781 size = obj->vtable->klass->instance_size;
4783 if (obj->vtable->klass->rank)
4784 return (MonoObject*)mono_array_clone ((MonoArray*)obj);
4786 o = (MonoObject *)mono_gc_alloc_obj (obj->vtable, size);
4788 if (G_UNLIKELY (!o)) {
4789 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
4793 /* If the object doesn't contain references this will do a simple memmove. */
4794 mono_gc_wbarrier_object_copy (o, obj);
4796 if (obj->vtable->klass->has_finalize)
4797 mono_object_register_finalizer (o);
4802 * mono_array_full_copy:
4803 * @src: source array to copy
4804 * @dest: destination array
4806 * Copies the content of one array to another with exactly the same type and size.
4809 mono_array_full_copy (MonoArray *src, MonoArray *dest)
4811 MONO_REQ_GC_UNSAFE_MODE;
4814 MonoClass *klass = src->obj.vtable->klass;
4816 g_assert (klass == dest->obj.vtable->klass);
4818 size = mono_array_length (src);
4819 g_assert (size == mono_array_length (dest));
4820 size *= mono_array_element_size (klass);
4822 if (klass->element_class->valuetype) {
4823 if (klass->element_class->has_references)
4824 mono_value_copy_array (dest, 0, mono_array_addr_with_size_fast (src, 0, 0), mono_array_length (src));
4826 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4828 mono_array_memcpy_refs (dest, 0, src, 0, mono_array_length (src));
4831 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4836 * mono_array_clone_in_domain:
4837 * @domain: the domain in which the array will be cloned into
4838 * @array: the array to clone
4840 * This routine returns a copy of the array that is hosted on the
4841 * specified MonoDomain.
4844 mono_array_clone_in_domain (MonoDomain *domain, MonoArray *array)
4846 MONO_REQ_GC_UNSAFE_MODE;
4852 MonoClass *klass = array->obj.vtable->klass;
4854 if (array->bounds == NULL) {
4855 size = mono_array_length (array);
4856 o = mono_array_new_full_checked (domain, klass, &size, NULL, &error);
4857 mono_error_raise_exception (&error); /* FIXME don't raise here */
4859 size *= mono_array_element_size (klass);
4861 if (klass->element_class->valuetype) {
4862 if (klass->element_class->has_references)
4863 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4865 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4867 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4870 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4875 sizes = (uintptr_t *)alloca (klass->rank * sizeof(intptr_t) * 2);
4876 size = mono_array_element_size (klass);
4877 for (i = 0; i < klass->rank; ++i) {
4878 sizes [i] = array->bounds [i].length;
4879 size *= array->bounds [i].length;
4880 sizes [i + klass->rank] = array->bounds [i].lower_bound;
4882 o = mono_array_new_full_checked (domain, klass, sizes, (intptr_t*)sizes + klass->rank, &error);
4883 mono_error_raise_exception (&error); /* FIXME don't raise here */
4885 if (klass->element_class->valuetype) {
4886 if (klass->element_class->has_references)
4887 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4889 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4891 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4894 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4902 * @array: the array to clone
4904 * Returns: A newly created array who is a shallow copy of @array
4907 mono_array_clone (MonoArray *array)
4909 MONO_REQ_GC_UNSAFE_MODE;
4911 return mono_array_clone_in_domain (((MonoObject *)array)->vtable->domain, array);
4914 /* helper macros to check for overflow when calculating the size of arrays */
4915 #ifdef MONO_BIG_ARRAYS
4916 #define MYGUINT64_MAX 0x0000FFFFFFFFFFFFUL
4917 #define MYGUINT_MAX MYGUINT64_MAX
4918 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4919 (G_UNLIKELY ((guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a)))
4920 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4921 (G_UNLIKELY (((guint64)(a) > 0) && ((guint64)(b) > 0) && \
4922 ((guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a)))))
4924 #define MYGUINT32_MAX 4294967295U
4925 #define MYGUINT_MAX MYGUINT32_MAX
4926 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4927 (G_UNLIKELY ((guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a)))
4928 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4929 (G_UNLIKELY (((guint32)(a) > 0) && ((guint32)(b) > 0) && \
4930 ((guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a)))))
4934 mono_array_calc_byte_len (MonoClass *klass, uintptr_t len, uintptr_t *res)
4936 MONO_REQ_GC_NEUTRAL_MODE;
4940 byte_len = mono_array_element_size (klass);
4941 if (CHECK_MUL_OVERFLOW_UN (byte_len, len))
4944 if (CHECK_ADD_OVERFLOW_UN (byte_len, MONO_SIZEOF_MONO_ARRAY))
4946 byte_len += MONO_SIZEOF_MONO_ARRAY;
4954 * mono_array_new_full:
4955 * @domain: domain where the object is created
4956 * @array_class: array class
4957 * @lengths: lengths for each dimension in the array
4958 * @lower_bounds: lower bounds for each dimension in the array (may be NULL)
4960 * This routine creates a new array objects with the given dimensions,
4961 * lower bounds and type.
4964 mono_array_new_full (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds)
4967 MonoArray *array = mono_array_new_full_checked (domain, array_class, lengths, lower_bounds, &error);
4968 mono_error_raise_exception (&error);
4974 mono_array_new_full_checked (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds, MonoError *error)
4976 MONO_REQ_GC_UNSAFE_MODE;
4978 uintptr_t byte_len = 0, len, bounds_size;
4981 MonoArrayBounds *bounds;
4985 mono_error_init (error);
4987 if (!array_class->inited)
4988 mono_class_init (array_class);
4992 /* A single dimensional array with a 0 lower bound is the same as an szarray */
4993 if (array_class->rank == 1 && ((array_class->byval_arg.type == MONO_TYPE_SZARRAY) || (lower_bounds && lower_bounds [0] == 0))) {
4995 if (len > MONO_ARRAY_MAX_INDEX) {
4996 mono_error_set_generic_error (error, "System", "OverflowException", "");
5001 bounds_size = sizeof (MonoArrayBounds) * array_class->rank;
5003 for (i = 0; i < array_class->rank; ++i) {
5004 if (lengths [i] > MONO_ARRAY_MAX_INDEX) {
5005 mono_error_set_generic_error (error, "System", "OverflowException", "");
5008 if (CHECK_MUL_OVERFLOW_UN (len, lengths [i])) {
5009 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5016 if (!mono_array_calc_byte_len (array_class, len, &byte_len)) {
5017 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5023 if (CHECK_ADD_OVERFLOW_UN (byte_len, 3)) {
5024 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5027 byte_len = (byte_len + 3) & ~3;
5028 if (CHECK_ADD_OVERFLOW_UN (byte_len, bounds_size)) {
5029 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5032 byte_len += bounds_size;
5035 * Following three lines almost taken from mono_object_new ():
5036 * they need to be kept in sync.
5038 vtable = mono_class_vtable_full (domain, array_class, TRUE);
5040 o = (MonoObject *)mono_gc_alloc_array (vtable, byte_len, len, bounds_size);
5042 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, len);
5044 if (G_UNLIKELY (!o)) {
5045 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5049 array = (MonoArray*)o;
5051 bounds = array->bounds;
5054 for (i = 0; i < array_class->rank; ++i) {
5055 bounds [i].length = lengths [i];
5057 bounds [i].lower_bound = lower_bounds [i];
5066 * @domain: domain where the object is created
5067 * @eclass: element class
5068 * @n: number of array elements
5070 * This routine creates a new szarray with @n elements of type @eclass.
5073 mono_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
5075 MONO_REQ_GC_UNSAFE_MODE;
5081 ac = mono_array_class_get (eclass, 1);
5084 arr = mono_array_new_specific_checked (mono_class_vtable_full (domain, ac, TRUE), n, &error);
5085 mono_error_raise_exception (&error); /* FIXME don't raise here */
5091 * mono_array_new_specific:
5092 * @vtable: a vtable in the appropriate domain for an initialized class
5093 * @n: number of array elements
5095 * This routine is a fast alternative to mono_array_new() for code which
5096 * can be sure about the domain it operates in.
5099 mono_array_new_specific (MonoVTable *vtable, uintptr_t n)
5102 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5103 mono_error_raise_exception (&error); /* FIXME don't raise here */
5109 mono_array_new_specific_checked (MonoVTable *vtable, uintptr_t n, MonoError *error)
5111 MONO_REQ_GC_UNSAFE_MODE;
5116 mono_error_init (error);
5118 if (G_UNLIKELY (n > MONO_ARRAY_MAX_INDEX)) {
5119 mono_error_set_generic_error (error, "System", "OverflowException", "");
5123 if (!mono_array_calc_byte_len (vtable->klass, n, &byte_len)) {
5124 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5127 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, n);
5129 if (G_UNLIKELY (!o)) {
5130 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5134 return (MonoArray*)o;
5138 ves_icall_array_new_specific (MonoVTable *vtable, uintptr_t n)
5141 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5142 mono_error_raise_exception (&error);
5148 * mono_string_new_utf16:
5149 * @text: a pointer to an utf16 string
5150 * @len: the length of the string
5152 * Returns: A newly created string object which contains @text.
5155 mono_string_new_utf16 (MonoDomain *domain, const guint16 *text, gint32 len)
5157 MONO_REQ_GC_UNSAFE_MODE;
5162 s = mono_string_new_size_checked (domain, len, &error);
5163 mono_error_raise_exception (&error); /* FIXME don't raise here */
5165 memcpy (mono_string_chars (s), text, len * 2);
5171 * mono_string_new_utf32:
5172 * @text: a pointer to an utf32 string
5173 * @len: the length of the string
5175 * Returns: A newly created string object which contains @text.
5178 mono_string_new_utf32 (MonoDomain *domain, const mono_unichar4 *text, gint32 len)
5180 MONO_REQ_GC_UNSAFE_MODE;
5184 mono_unichar2 *utf16_output = NULL;
5185 gint32 utf16_len = 0;
5186 GError *gerror = NULL;
5187 glong items_written;
5189 utf16_output = g_ucs4_to_utf16 (text, len, NULL, &items_written, &gerror);
5192 g_error_free (gerror);
5194 while (utf16_output [utf16_len]) utf16_len++;
5196 s = mono_string_new_size_checked (domain, utf16_len, &error);
5197 mono_error_raise_exception (&error); /* FIXME don't raise here */
5199 memcpy (mono_string_chars (s), utf16_output, utf16_len * 2);
5201 g_free (utf16_output);
5207 * mono_string_new_size:
5208 * @text: a pointer to an utf16 string
5209 * @len: the length of the string
5211 * Returns: A newly created string object of @len
5214 mono_string_new_size (MonoDomain *domain, gint32 len)
5217 MonoString *str = mono_string_new_size_checked (domain, len, &error);
5218 mono_error_raise_exception (&error);
5224 mono_string_new_size_checked (MonoDomain *domain, gint32 len, MonoError *error)
5226 MONO_REQ_GC_UNSAFE_MODE;
5232 mono_error_init (error);
5234 /* check for overflow */
5235 if (len < 0 || len > ((SIZE_MAX - G_STRUCT_OFFSET (MonoString, chars) - 8) / 2)) {
5236 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", -1);
5240 size = (G_STRUCT_OFFSET (MonoString, chars) + (((size_t)len + 1) * 2));
5241 g_assert (size > 0);
5243 vtable = mono_class_vtable (domain, mono_defaults.string_class);
5246 s = (MonoString *)mono_gc_alloc_string (vtable, size, len);
5248 if (G_UNLIKELY (!s)) {
5249 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5257 * mono_string_new_len:
5258 * @text: a pointer to an utf8 string
5259 * @length: number of bytes in @text to consider
5261 * Returns: A newly created string object which contains @text.
5264 mono_string_new_len (MonoDomain *domain, const char *text, guint length)
5266 MONO_REQ_GC_UNSAFE_MODE;
5268 GError *error = NULL;
5269 MonoString *o = NULL;
5271 glong items_written;
5273 ut = eg_utf8_to_utf16_with_nuls (text, length, NULL, &items_written, &error);
5276 o = mono_string_new_utf16 (domain, ut, items_written);
5278 g_error_free (error);
5287 * @text: a pointer to an utf8 string
5289 * Returns: A newly created string object which contains @text.
5292 mono_string_new (MonoDomain *domain, const char *text)
5294 MONO_REQ_GC_UNSAFE_MODE;
5296 GError *error = NULL;
5297 MonoString *o = NULL;
5299 glong items_written;
5304 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
5307 o = mono_string_new_utf16 (domain, ut, items_written);
5309 g_error_free (error);
5312 /*FIXME g_utf8_get_char, g_utf8_next_char and g_utf8_validate are not part of eglib.*/
5318 MonoString *o = NULL;
5320 if (!g_utf8_validate (text, -1, &end))
5323 len = g_utf8_strlen (text, -1);
5324 o = mono_string_new_size_checked (domain, len, &error);
5325 mono_error_raise_exception (&error); /* FIXME don't raise here */
5326 str = mono_string_chars (o);
5328 while (text < end) {
5329 *str++ = g_utf8_get_char (text);
5330 text = g_utf8_next_char (text);
5337 * mono_string_new_wrapper:
5338 * @text: pointer to utf8 characters.
5340 * Helper function to create a string object from @text in the current domain.
5343 mono_string_new_wrapper (const char *text)
5345 MONO_REQ_GC_UNSAFE_MODE;
5347 MonoDomain *domain = mono_domain_get ();
5350 return mono_string_new (domain, text);
5357 * @class: the class of the value
5358 * @value: a pointer to the unboxed data
5360 * Returns: A newly created object which contains @value.
5363 mono_value_box (MonoDomain *domain, MonoClass *klass, gpointer value)
5365 MONO_REQ_GC_UNSAFE_MODE;
5372 g_assert (klass->valuetype);
5373 if (mono_class_is_nullable (klass))
5374 return mono_nullable_box ((guint8 *)value, klass);
5376 vtable = mono_class_vtable (domain, klass);
5379 size = mono_class_instance_size (klass);
5380 res = mono_object_new_alloc_specific_checked (vtable, &error);
5381 mono_error_raise_exception (&error); /* FIXME don't raise here */
5383 size = size - sizeof (MonoObject);
5386 g_assert (size == mono_class_value_size (klass, NULL));
5387 mono_gc_wbarrier_value_copy ((char *)res + sizeof (MonoObject), value, 1, klass);
5389 #if NO_UNALIGNED_ACCESS
5390 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5394 *((guint8 *) res + sizeof (MonoObject)) = *(guint8 *) value;
5397 *(guint16 *)((guint8 *) res + sizeof (MonoObject)) = *(guint16 *) value;
5400 *(guint32 *)((guint8 *) res + sizeof (MonoObject)) = *(guint32 *) value;
5403 *(guint64 *)((guint8 *) res + sizeof (MonoObject)) = *(guint64 *) value;
5406 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5410 if (klass->has_finalize)
5411 mono_object_register_finalizer (res);
5417 * @dest: destination pointer
5418 * @src: source pointer
5419 * @klass: a valuetype class
5421 * Copy a valuetype from @src to @dest. This function must be used
5422 * when @klass contains references fields.
5425 mono_value_copy (gpointer dest, gpointer src, MonoClass *klass)
5427 MONO_REQ_GC_UNSAFE_MODE;
5429 mono_gc_wbarrier_value_copy (dest, src, 1, klass);
5433 * mono_value_copy_array:
5434 * @dest: destination array
5435 * @dest_idx: index in the @dest array
5436 * @src: source pointer
5437 * @count: number of items
5439 * Copy @count valuetype items from @src to the array @dest at index @dest_idx.
5440 * This function must be used when @klass contains references fields.
5441 * Overlap is handled.
5444 mono_value_copy_array (MonoArray *dest, int dest_idx, gpointer src, int count)
5446 MONO_REQ_GC_UNSAFE_MODE;
5448 int size = mono_array_element_size (dest->obj.vtable->klass);
5449 char *d = mono_array_addr_with_size_fast (dest, size, dest_idx);
5450 g_assert (size == mono_class_value_size (mono_object_class (dest)->element_class, NULL));
5451 mono_gc_wbarrier_value_copy (d, src, count, mono_object_class (dest)->element_class);
5455 * mono_object_get_domain:
5456 * @obj: object to query
5458 * Returns: the MonoDomain where the object is hosted
5461 mono_object_get_domain (MonoObject *obj)
5463 MONO_REQ_GC_UNSAFE_MODE;
5465 return mono_object_domain (obj);
5469 * mono_object_get_class:
5470 * @obj: object to query
5472 * Returns: the MonOClass of the object.
5475 mono_object_get_class (MonoObject *obj)
5477 MONO_REQ_GC_UNSAFE_MODE;
5479 return mono_object_class (obj);
5482 * mono_object_get_size:
5483 * @o: object to query
5485 * Returns: the size, in bytes, of @o
5488 mono_object_get_size (MonoObject* o)
5490 MONO_REQ_GC_UNSAFE_MODE;
5492 MonoClass* klass = mono_object_class (o);
5493 if (klass == mono_defaults.string_class) {
5494 return sizeof (MonoString) + 2 * mono_string_length ((MonoString*) o) + 2;
5495 } else if (o->vtable->rank) {
5496 MonoArray *array = (MonoArray*)o;
5497 size_t size = MONO_SIZEOF_MONO_ARRAY + mono_array_element_size (klass) * mono_array_length (array);
5498 if (array->bounds) {
5501 size += sizeof (MonoArrayBounds) * o->vtable->rank;
5505 return mono_class_instance_size (klass);
5510 * mono_object_unbox:
5511 * @obj: object to unbox
5513 * Returns: a pointer to the start of the valuetype boxed in this
5516 * This method will assert if the object passed is not a valuetype.
5519 mono_object_unbox (MonoObject *obj)
5521 MONO_REQ_GC_UNSAFE_MODE;
5523 /* add assert for valuetypes? */
5524 g_assert (obj->vtable->klass->valuetype);
5525 return ((char*)obj) + sizeof (MonoObject);
5529 * mono_object_isinst:
5531 * @klass: a pointer to a class
5533 * Returns: @obj if @obj is derived from @klass
5536 mono_object_isinst (MonoObject *obj, MonoClass *klass)
5538 MONO_REQ_GC_UNSAFE_MODE;
5541 mono_class_init (klass);
5543 if (mono_class_is_marshalbyref (klass) || (klass->flags & TYPE_ATTRIBUTE_INTERFACE))
5544 return mono_object_isinst_mbyref (obj, klass);
5549 return mono_class_is_assignable_from (klass, obj->vtable->klass) ? obj : NULL;
5553 mono_object_isinst_mbyref (MonoObject *obj, MonoClass *klass)
5555 MONO_REQ_GC_UNSAFE_MODE;
5565 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
5566 if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id)) {
5570 /*If the above check fails we are in the slow path of possibly raising an exception. So it's ok to it this way.*/
5571 if (mono_class_has_variant_generic_params (klass) && mono_class_is_assignable_from (klass, obj->vtable->klass))
5574 MonoClass *oklass = vt->klass;
5575 if (mono_class_is_transparent_proxy (oklass))
5576 oklass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5578 mono_class_setup_supertypes (klass);
5579 if ((oklass->idepth >= klass->idepth) && (oklass->supertypes [klass->idepth - 1] == klass))
5582 #ifndef DISABLE_REMOTING
5583 if (vt->klass == mono_defaults.transparent_proxy_class && ((MonoTransparentProxy *)obj)->custom_type_info)
5585 MonoDomain *domain = mono_domain_get ();
5587 MonoObject *rp = (MonoObject *)((MonoTransparentProxy *)obj)->rp;
5588 MonoClass *rpklass = mono_defaults.iremotingtypeinfo_class;
5589 MonoMethod *im = NULL;
5592 im = mono_class_get_method_from_name (rpklass, "CanCastTo", -1);
5594 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
5595 im = mono_object_get_virtual_method (rp, im);
5598 pa [0] = mono_type_get_object_checked (domain, &klass->byval_arg, &error);
5599 mono_error_raise_exception (&error); /* FIXME don't raise here */
5602 res = mono_runtime_invoke (im, rp, pa, NULL);
5604 if (*(MonoBoolean *) mono_object_unbox(res)) {
5605 /* Update the vtable of the remote type, so it can safely cast to this new type */
5606 mono_upgrade_remote_class (domain, obj, klass);
5610 #endif /* DISABLE_REMOTING */
5615 * mono_object_castclass_mbyref:
5617 * @klass: a pointer to a class
5619 * Returns: @obj if @obj is derived from @klass, throws an exception otherwise
5622 mono_object_castclass_mbyref (MonoObject *obj, MonoClass *klass)
5624 MONO_REQ_GC_UNSAFE_MODE;
5626 if (!obj) return NULL;
5627 if (mono_object_isinst_mbyref (obj, klass)) return obj;
5629 mono_raise_exception (mono_exception_from_name (mono_defaults.corlib,
5631 "InvalidCastException"));
5636 MonoDomain *orig_domain;
5642 str_lookup (MonoDomain *domain, gpointer user_data)
5644 MONO_REQ_GC_UNSAFE_MODE;
5646 LDStrInfo *info = (LDStrInfo *)user_data;
5647 if (info->res || domain == info->orig_domain)
5649 info->res = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, info->ins);
5653 mono_string_get_pinned (MonoString *str, MonoError *error)
5655 MONO_REQ_GC_UNSAFE_MODE;
5657 mono_error_init (error);
5659 /* We only need to make a pinned version of a string if this is a moving GC */
5660 if (!mono_gc_is_moving ())
5664 size = sizeof (MonoString) + 2 * (mono_string_length (str) + 1);
5665 news = (MonoString *)mono_gc_alloc_pinned_obj (((MonoObject*)str)->vtable, size);
5667 memcpy (mono_string_chars (news), mono_string_chars (str), mono_string_length (str) * 2);
5668 news->length = mono_string_length (str);
5670 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5676 mono_string_is_interned_lookup (MonoString *str, int insert)
5678 MONO_REQ_GC_UNSAFE_MODE;
5681 MonoGHashTable *ldstr_table;
5682 MonoString *s, *res;
5685 domain = ((MonoObject *)str)->vtable->domain;
5686 ldstr_table = domain->ldstr_table;
5688 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
5694 /* Allocate outside the lock */
5696 s = mono_string_get_pinned (str, &error);
5697 mono_error_raise_exception (&error); /* FIXME don't raise here */
5700 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
5705 mono_g_hash_table_insert (ldstr_table, s, s);
5710 LDStrInfo ldstr_info;
5711 ldstr_info.orig_domain = domain;
5712 ldstr_info.ins = str;
5713 ldstr_info.res = NULL;
5715 mono_domain_foreach (str_lookup, &ldstr_info);
5716 if (ldstr_info.res) {
5718 * the string was already interned in some other domain:
5719 * intern it in the current one as well.
5721 mono_g_hash_table_insert (ldstr_table, str, str);
5731 * mono_string_is_interned:
5732 * @o: String to probe
5734 * Returns whether the string has been interned.
5737 mono_string_is_interned (MonoString *o)
5739 MONO_REQ_GC_UNSAFE_MODE;
5741 return mono_string_is_interned_lookup (o, FALSE);
5745 * mono_string_intern:
5746 * @o: String to intern
5748 * Interns the string passed.
5749 * Returns: The interned string.
5752 mono_string_intern (MonoString *str)
5754 MONO_REQ_GC_UNSAFE_MODE;
5756 return mono_string_is_interned_lookup (str, TRUE);
5761 * @domain: the domain where the string will be used.
5762 * @image: a metadata context
5763 * @idx: index into the user string table.
5765 * Implementation for the ldstr opcode.
5766 * Returns: a loaded string from the @image/@idx combination.
5769 mono_ldstr (MonoDomain *domain, MonoImage *image, guint32 idx)
5771 MONO_REQ_GC_UNSAFE_MODE;
5773 if (image->dynamic) {
5774 MonoString *str = (MonoString *)mono_lookup_dynamic_token (image, MONO_TOKEN_STRING | idx, NULL);
5777 if (!mono_verifier_verify_string_signature (image, idx, NULL))
5778 return NULL; /*FIXME we should probably be raising an exception here*/
5779 return mono_ldstr_metadata_sig (domain, mono_metadata_user_string (image, idx));
5784 * mono_ldstr_metadata_sig
5785 * @domain: the domain for the string
5786 * @sig: the signature of a metadata string
5788 * Returns: a MonoString for a string stored in the metadata
5791 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig)
5793 MONO_REQ_GC_UNSAFE_MODE;
5796 const char *str = sig;
5797 MonoString *o, *interned;
5800 len2 = mono_metadata_decode_blob_size (str, &str);
5803 o = mono_string_new_utf16 (domain, (guint16*)str, len2);
5804 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
5807 guint16 *p2 = (guint16*)mono_string_chars (o);
5808 for (i = 0; i < len2; ++i) {
5809 *p2 = GUINT16_FROM_LE (*p2);
5815 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
5818 return interned; /* o will get garbage collected */
5820 o = mono_string_get_pinned (o, &error);
5821 mono_error_raise_exception (&error); /* FIXME don't raise here */
5824 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
5826 mono_g_hash_table_insert (domain->ldstr_table, o, o);
5836 * mono_string_to_utf8:
5837 * @s: a System.String
5839 * Returns the UTF8 representation for @s.
5840 * The resulting buffer needs to be freed with mono_free().
5842 * @deprecated Use mono_string_to_utf8_checked to avoid having an exception arbritraly raised.
5845 mono_string_to_utf8 (MonoString *s)
5847 MONO_REQ_GC_UNSAFE_MODE;
5850 char *result = mono_string_to_utf8_checked (s, &error);
5852 if (!mono_error_ok (&error))
5853 mono_error_raise_exception (&error);
5858 * mono_string_to_utf8_checked:
5859 * @s: a System.String
5860 * @error: a MonoError.
5862 * Converts a MonoString to its UTF8 representation. May fail; check
5863 * @error to determine whether the conversion was successful.
5864 * The resulting buffer should be freed with mono_free().
5867 mono_string_to_utf8_checked (MonoString *s, MonoError *error)
5869 MONO_REQ_GC_UNSAFE_MODE;
5873 GError *gerror = NULL;
5875 mono_error_init (error);
5881 return g_strdup ("");
5883 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, &gerror);
5885 mono_error_set_argument (error, "string", "%s", gerror->message);
5886 g_error_free (gerror);
5889 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5890 if (s->length > written) {
5891 /* allocate the total length and copy the part of the string that has been converted */
5892 char *as2 = (char *)g_malloc0 (s->length);
5893 memcpy (as2, as, written);
5902 * mono_string_to_utf8_ignore:
5905 * Converts a MonoString to its UTF8 representation. Will ignore
5906 * invalid surrogate pairs.
5907 * The resulting buffer should be freed with mono_free().
5911 mono_string_to_utf8_ignore (MonoString *s)
5913 MONO_REQ_GC_UNSAFE_MODE;
5922 return g_strdup ("");
5924 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, NULL);
5926 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5927 if (s->length > written) {
5928 /* allocate the total length and copy the part of the string that has been converted */
5929 char *as2 = (char *)g_malloc0 (s->length);
5930 memcpy (as2, as, written);
5939 * mono_string_to_utf8_image_ignore:
5940 * @s: a System.String
5942 * Same as mono_string_to_utf8_ignore, but allocate the string from the image mempool.
5945 mono_string_to_utf8_image_ignore (MonoImage *image, MonoString *s)
5947 MONO_REQ_GC_UNSAFE_MODE;
5949 return mono_string_to_utf8_internal (NULL, image, s, TRUE, NULL);
5953 * mono_string_to_utf8_mp_ignore:
5954 * @s: a System.String
5956 * Same as mono_string_to_utf8_ignore, but allocate the string from a mempool.
5959 mono_string_to_utf8_mp_ignore (MonoMemPool *mp, MonoString *s)
5961 MONO_REQ_GC_UNSAFE_MODE;
5963 return mono_string_to_utf8_internal (mp, NULL, s, TRUE, NULL);
5968 * mono_string_to_utf16:
5971 * Return an null-terminated array of the utf-16 chars
5972 * contained in @s. The result must be freed with g_free().
5973 * This is a temporary helper until our string implementation
5974 * is reworked to always include the null terminating char.
5977 mono_string_to_utf16 (MonoString *s)
5979 MONO_REQ_GC_UNSAFE_MODE;
5986 as = (char *)g_malloc ((s->length * 2) + 2);
5987 as [(s->length * 2)] = '\0';
5988 as [(s->length * 2) + 1] = '\0';
5991 return (gunichar2 *)(as);
5994 memcpy (as, mono_string_chars(s), s->length * 2);
5995 return (gunichar2 *)(as);
5999 * mono_string_to_utf32:
6002 * Return an null-terminated array of the UTF-32 (UCS-4) chars
6003 * contained in @s. The result must be freed with g_free().
6006 mono_string_to_utf32 (MonoString *s)
6008 MONO_REQ_GC_UNSAFE_MODE;
6010 mono_unichar4 *utf32_output = NULL;
6011 GError *error = NULL;
6012 glong items_written;
6017 utf32_output = g_utf16_to_ucs4 (s->chars, s->length, NULL, &items_written, &error);
6020 g_error_free (error);
6022 return utf32_output;
6026 * mono_string_from_utf16:
6027 * @data: the UTF16 string (LPWSTR) to convert
6029 * Converts a NULL terminated UTF16 string (LPWSTR) to a MonoString.
6031 * Returns: a MonoString.
6034 mono_string_from_utf16 (gunichar2 *data)
6036 MONO_REQ_GC_UNSAFE_MODE;
6038 MonoDomain *domain = mono_domain_get ();
6044 while (data [len]) len++;
6046 return mono_string_new_utf16 (domain, data, len);
6050 * mono_string_from_utf32:
6051 * @data: the UTF32 string (LPWSTR) to convert
6053 * Converts a UTF32 (UCS-4)to a MonoString.
6055 * Returns: a MonoString.
6058 mono_string_from_utf32 (mono_unichar4 *data)
6060 MONO_REQ_GC_UNSAFE_MODE;
6062 MonoString* result = NULL;
6063 mono_unichar2 *utf16_output = NULL;
6064 GError *error = NULL;
6065 glong items_written;
6071 while (data [len]) len++;
6073 utf16_output = g_ucs4_to_utf16 (data, len, NULL, &items_written, &error);
6076 g_error_free (error);
6078 result = mono_string_from_utf16 (utf16_output);
6079 g_free (utf16_output);
6084 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error)
6086 MONO_REQ_GC_UNSAFE_MODE;
6093 r = mono_string_to_utf8_ignore (s);
6095 r = mono_string_to_utf8_checked (s, error);
6096 if (!mono_error_ok (error))
6103 len = strlen (r) + 1;
6105 mp_s = (char *)mono_mempool_alloc (mp, len);
6107 mp_s = (char *)mono_image_alloc (image, len);
6109 memcpy (mp_s, r, len);
6117 * mono_string_to_utf8_image:
6118 * @s: a System.String
6120 * Same as mono_string_to_utf8, but allocate the string from the image mempool.
6123 mono_string_to_utf8_image (MonoImage *image, MonoString *s, MonoError *error)
6125 MONO_REQ_GC_UNSAFE_MODE;
6127 return mono_string_to_utf8_internal (NULL, image, s, FALSE, error);
6131 * mono_string_to_utf8_mp:
6132 * @s: a System.String
6134 * Same as mono_string_to_utf8, but allocate the string from a mempool.
6137 mono_string_to_utf8_mp (MonoMemPool *mp, MonoString *s, MonoError *error)
6139 MONO_REQ_GC_UNSAFE_MODE;
6141 return mono_string_to_utf8_internal (mp, NULL, s, FALSE, error);
6145 static MonoRuntimeExceptionHandlingCallbacks eh_callbacks;
6148 mono_install_eh_callbacks (MonoRuntimeExceptionHandlingCallbacks *cbs)
6150 eh_callbacks = *cbs;
6153 MonoRuntimeExceptionHandlingCallbacks *
6154 mono_get_eh_callbacks (void)
6156 return &eh_callbacks;
6160 * mono_raise_exception:
6161 * @ex: exception object
6163 * Signal the runtime that the exception @ex has been raised in unmanaged code.
6166 mono_raise_exception (MonoException *ex)
6168 MONO_REQ_GC_UNSAFE_MODE;
6171 * NOTE: Do NOT annotate this function with G_GNUC_NORETURN, since
6172 * that will cause gcc to omit the function epilog, causing problems when
6173 * the JIT tries to walk the stack, since the return address on the stack
6174 * will point into the next function in the executable, not this one.
6176 eh_callbacks.mono_raise_exception (ex);
6180 mono_raise_exception_with_context (MonoException *ex, MonoContext *ctx)
6182 MONO_REQ_GC_UNSAFE_MODE;
6184 eh_callbacks.mono_raise_exception_with_ctx (ex, ctx);
6188 * mono_wait_handle_new:
6189 * @domain: Domain where the object will be created
6190 * @handle: Handle for the wait handle
6192 * Returns: A new MonoWaitHandle created in the given domain for the given handle
6195 mono_wait_handle_new (MonoDomain *domain, HANDLE handle)
6197 MONO_REQ_GC_UNSAFE_MODE;
6199 MonoWaitHandle *res;
6200 gpointer params [1];
6201 static MonoMethod *handle_set;
6203 res = (MonoWaitHandle *)mono_object_new (domain, mono_defaults.manualresetevent_class);
6205 /* Even though this method is virtual, it's safe to invoke directly, since the object type matches. */
6207 handle_set = mono_class_get_property_from_name (mono_defaults.manualresetevent_class, "Handle")->set;
6209 params [0] = &handle;
6210 mono_runtime_invoke (handle_set, res, params, NULL);
6216 mono_wait_handle_get_handle (MonoWaitHandle *handle)
6218 MONO_REQ_GC_UNSAFE_MODE;
6220 static MonoClassField *f_os_handle;
6221 static MonoClassField *f_safe_handle;
6223 if (!f_os_handle && !f_safe_handle) {
6224 f_os_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "os_handle");
6225 f_safe_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "safe_wait_handle");
6230 mono_field_get_value ((MonoObject*)handle, f_os_handle, &retval);
6234 mono_field_get_value ((MonoObject*)handle, f_safe_handle, &sh);
6241 mono_runtime_capture_context (MonoDomain *domain)
6243 MONO_REQ_GC_UNSAFE_MODE;
6245 RuntimeInvokeFunction runtime_invoke;
6247 if (!domain->capture_context_runtime_invoke || !domain->capture_context_method) {
6248 MonoMethod *method = mono_get_context_capture_method ();
6249 MonoMethod *wrapper;
6252 wrapper = mono_marshal_get_runtime_invoke (method, FALSE);
6253 domain->capture_context_runtime_invoke = mono_compile_method (wrapper);
6254 domain->capture_context_method = mono_compile_method (method);
6257 runtime_invoke = (RuntimeInvokeFunction)domain->capture_context_runtime_invoke;
6259 return runtime_invoke (NULL, NULL, NULL, domain->capture_context_method);
6262 * mono_async_result_new:
6263 * @domain:domain where the object will be created.
6264 * @handle: wait handle.
6265 * @state: state to pass to AsyncResult
6266 * @data: C closure data.
6268 * Creates a new MonoAsyncResult (AsyncResult C# class) in the given domain.
6269 * If the handle is not null, the handle is initialized to a MonOWaitHandle.
6273 mono_async_result_new (MonoDomain *domain, HANDLE handle, MonoObject *state, gpointer data, MonoObject *object_data)
6275 MONO_REQ_GC_UNSAFE_MODE;
6277 MonoAsyncResult *res = (MonoAsyncResult *)mono_object_new (domain, mono_defaults.asyncresult_class);
6278 MonoObject *context = mono_runtime_capture_context (domain);
6279 /* we must capture the execution context from the original thread */
6281 MONO_OBJECT_SETREF (res, execution_context, context);
6282 /* note: result may be null if the flow is suppressed */
6285 res->data = (void **)data;
6286 MONO_OBJECT_SETREF (res, object_data, object_data);
6287 MONO_OBJECT_SETREF (res, async_state, state);
6289 MONO_OBJECT_SETREF (res, handle, (MonoObject *) mono_wait_handle_new (domain, handle));
6291 res->sync_completed = FALSE;
6292 res->completed = FALSE;
6298 ves_icall_System_Runtime_Remoting_Messaging_AsyncResult_Invoke (MonoAsyncResult *ares)
6300 MONO_REQ_GC_UNSAFE_MODE;
6306 g_assert (ares->async_delegate);
6308 ac = (MonoAsyncCall*) ares->object_data;
6310 res = mono_runtime_delegate_invoke (ares->async_delegate, (void**) &ares->async_state, NULL);
6312 gpointer wait_event = NULL;
6314 ac->msg->exc = NULL;
6315 res = mono_message_invoke (ares->async_delegate, ac->msg, &ac->msg->exc, &ac->out_args);
6316 MONO_OBJECT_SETREF (ac, res, res);
6318 mono_monitor_enter ((MonoObject*) ares);
6319 ares->completed = 1;
6321 wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
6322 mono_monitor_exit ((MonoObject*) ares);
6324 if (wait_event != NULL)
6325 SetEvent (wait_event);
6327 if (ac->cb_method) {
6328 /* we swallow the excepton as it is the behavior on .NET */
6329 MonoObject *exc = NULL;
6330 mono_runtime_invoke (ac->cb_method, ac->cb_target, (gpointer*) &ares, &exc);
6332 mono_unhandled_exception (exc);
6340 mono_message_init (MonoDomain *domain,
6341 MonoMethodMessage *this_obj,
6342 MonoReflectionMethod *method,
6343 MonoArray *out_args)
6345 MONO_REQ_GC_UNSAFE_MODE;
6347 static MonoClass *object_array_klass;
6348 static MonoClass *byte_array_klass;
6349 static MonoClass *string_array_klass;
6351 MonoMethodSignature *sig = mono_method_signature (method->method);
6358 if (!object_array_klass) {
6361 klass = mono_array_class_get (mono_defaults.byte_class, 1);
6363 byte_array_klass = klass;
6365 klass = mono_array_class_get (mono_defaults.string_class, 1);
6367 string_array_klass = klass;
6369 klass = mono_array_class_get (mono_defaults.object_class, 1);
6372 mono_atomic_store_release (&object_array_klass, klass);
6375 MONO_OBJECT_SETREF (this_obj, method, method);
6377 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), sig->param_count, &error);
6378 mono_error_raise_exception (&error); /* FIXME don't raise here */
6380 MONO_OBJECT_SETREF (this_obj, args, arr);
6382 arr = mono_array_new_specific_checked (mono_class_vtable (domain, byte_array_klass), sig->param_count, &error);
6383 mono_error_raise_exception (&error); /* FIXME don't raise here */
6385 MONO_OBJECT_SETREF (this_obj, arg_types, arr);
6387 this_obj->async_result = NULL;
6388 this_obj->call_type = CallType_Sync;
6390 names = g_new (char *, sig->param_count);
6391 mono_method_get_param_names (method->method, (const char **) names);
6393 arr = mono_array_new_specific_checked (mono_class_vtable (domain, string_array_klass), sig->param_count, &error);
6394 mono_error_raise_exception (&error); /* FIXME don't raise here */
6396 MONO_OBJECT_SETREF (this_obj, names, arr);
6398 for (i = 0; i < sig->param_count; i++) {
6399 name = mono_string_new (domain, names [i]);
6400 mono_array_setref (this_obj->names, i, name);
6404 for (i = 0, j = 0; i < sig->param_count; i++) {
6405 if (sig->params [i]->byref) {
6407 MonoObject* arg = (MonoObject *)mono_array_get (out_args, gpointer, j);
6408 mono_array_setref (this_obj->args, i, arg);
6412 if (!(sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT))
6416 if (sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT)
6419 mono_array_set (this_obj->arg_types, guint8, i, arg_type);
6423 #ifndef DISABLE_REMOTING
6425 * mono_remoting_invoke:
6426 * @real_proxy: pointer to a RealProxy object
6427 * @msg: The MonoMethodMessage to execute
6428 * @exc: used to store exceptions
6429 * @out_args: used to store output arguments
6431 * This is used to call RealProxy::Invoke(). RealProxy::Invoke() returns an
6432 * IMessage interface and it is not trivial to extract results from there. So
6433 * we call an helper method PrivateInvoke instead of calling
6434 * RealProxy::Invoke() directly.
6436 * Returns: the result object.
6439 mono_remoting_invoke (MonoObject *real_proxy, MonoMethodMessage *msg,
6440 MonoObject **exc, MonoArray **out_args)
6442 MONO_REQ_GC_UNSAFE_MODE;
6444 MonoMethod *im = real_proxy->vtable->domain->private_invoke_method;
6447 /*static MonoObject *(*invoke) (gpointer, gpointer, MonoObject **, MonoArray **) = NULL;*/
6450 im = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "PrivateInvoke", 4);
6452 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6453 real_proxy->vtable->domain->private_invoke_method = im;
6456 pa [0] = real_proxy;
6461 return mono_runtime_invoke (im, NULL, pa, exc);
6466 mono_message_invoke (MonoObject *target, MonoMethodMessage *msg,
6467 MonoObject **exc, MonoArray **out_args)
6469 MONO_REQ_GC_UNSAFE_MODE;
6471 static MonoClass *object_array_klass;
6475 MonoMethodSignature *sig;
6478 int i, j, outarg_count = 0;
6480 #ifndef DISABLE_REMOTING
6481 if (target && mono_object_is_transparent_proxy (target)) {
6482 MonoTransparentProxy* tp = (MonoTransparentProxy *)target;
6483 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6484 target = tp->rp->unwrapped_server;
6486 return mono_remoting_invoke ((MonoObject *)tp->rp, msg, exc, out_args);
6491 domain = mono_domain_get ();
6492 method = msg->method->method;
6493 sig = mono_method_signature (method);
6495 for (i = 0; i < sig->param_count; i++) {
6496 if (sig->params [i]->byref)
6500 if (!object_array_klass) {
6503 klass = mono_array_class_get (mono_defaults.object_class, 1);
6506 mono_memory_barrier ();
6507 object_array_klass = klass;
6510 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), outarg_count, &error);
6511 mono_error_raise_exception (&error); /* FIXME don't raise here */
6513 mono_gc_wbarrier_generic_store (out_args, (MonoObject*) arr);
6516 ret = mono_runtime_invoke_array (method, method->klass->valuetype? mono_object_unbox (target): target, msg->args, exc);
6518 for (i = 0, j = 0; i < sig->param_count; i++) {
6519 if (sig->params [i]->byref) {
6521 arg = (MonoObject *)mono_array_get (msg->args, gpointer, i);
6522 mono_array_setref (*out_args, j, arg);
6531 * mono_object_to_string:
6533 * @exc: Any exception thrown by ToString (). May be NULL.
6535 * Returns: the result of calling ToString () on an object.
6538 mono_object_to_string (MonoObject *obj, MonoObject **exc)
6540 MONO_REQ_GC_UNSAFE_MODE;
6542 static MonoMethod *to_string = NULL;
6549 to_string = mono_class_get_method_from_name_flags (mono_get_object_class (), "ToString", 0, METHOD_ATTRIBUTE_VIRTUAL | METHOD_ATTRIBUTE_PUBLIC);
6551 method = mono_object_get_virtual_method (obj, to_string);
6553 // Unbox value type if needed
6554 if (mono_class_is_valuetype (mono_method_get_class (method))) {
6555 target = mono_object_unbox (obj);
6558 return (MonoString *) mono_runtime_invoke (method, target, NULL, exc);
6562 * mono_print_unhandled_exception:
6563 * @exc: The exception
6565 * Prints the unhandled exception.
6568 mono_print_unhandled_exception (MonoObject *exc)
6570 MONO_REQ_GC_UNSAFE_MODE;
6573 char *message = (char*)"";
6574 gboolean free_message = FALSE;
6577 if (exc == (MonoObject*)mono_object_domain (exc)->out_of_memory_ex) {
6578 message = g_strdup ("OutOfMemoryException");
6579 free_message = TRUE;
6580 } else if (exc == (MonoObject*)mono_object_domain (exc)->stack_overflow_ex) {
6581 message = g_strdup ("StackOverflowException"); //if we OVF, we can't expect to have stack space to JIT Exception::ToString.
6582 free_message = TRUE;
6585 if (((MonoException*)exc)->native_trace_ips) {
6586 message = mono_exception_get_native_backtrace ((MonoException*)exc);
6587 free_message = TRUE;
6589 MonoObject *other_exc = NULL;
6590 str = mono_object_to_string (exc, &other_exc);
6592 char *original_backtrace = mono_exception_get_managed_backtrace ((MonoException*)exc);
6593 char *nested_backtrace = mono_exception_get_managed_backtrace ((MonoException*)other_exc);
6595 message = g_strdup_printf ("Nested exception detected.\nOriginal Exception: %s\nNested exception:%s\n",
6596 original_backtrace, nested_backtrace);
6598 g_free (original_backtrace);
6599 g_free (nested_backtrace);
6600 free_message = TRUE;
6602 message = mono_string_to_utf8_checked (str, &error);
6603 if (!mono_error_ok (&error)) {
6604 mono_error_cleanup (&error);
6605 message = (char *) "";
6607 free_message = TRUE;
6614 * g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
6615 * exc->vtable->klass->name, message);
6617 g_printerr ("\nUnhandled Exception:\n%s\n", message);
6624 * mono_delegate_ctor:
6625 * @this: pointer to an uninitialized delegate object
6626 * @target: target object
6627 * @addr: pointer to native code
6630 * Initialize a delegate and sets a specific method, not the one
6631 * associated with addr. This is useful when sharing generic code.
6632 * In that case addr will most probably not be associated with the
6633 * correct instantiation of the method.
6636 mono_delegate_ctor_with_method (MonoObject *this_obj, MonoObject *target, gpointer addr, MonoMethod *method)
6638 MONO_REQ_GC_UNSAFE_MODE;
6640 MonoDelegate *delegate = (MonoDelegate *)this_obj;
6642 g_assert (this_obj);
6645 g_assert (mono_class_has_parent (mono_object_class (this_obj), mono_defaults.multicastdelegate_class));
6648 delegate->method = method;
6650 mono_stats.delegate_creations++;
6652 #ifndef DISABLE_REMOTING
6653 if (target && target->vtable->klass == mono_defaults.transparent_proxy_class) {
6655 method = mono_marshal_get_remoting_invoke (method);
6656 delegate->method_ptr = mono_compile_method (method);
6657 MONO_OBJECT_SETREF (delegate, target, target);
6661 delegate->method_ptr = addr;
6662 MONO_OBJECT_SETREF (delegate, target, target);
6665 delegate->invoke_impl = arch_create_delegate_trampoline (delegate->object.vtable->domain, delegate->object.vtable->klass);
6666 if (callbacks.init_delegate)
6667 callbacks.init_delegate (delegate);
6671 * mono_delegate_ctor:
6672 * @this: pointer to an uninitialized delegate object
6673 * @target: target object
6674 * @addr: pointer to native code
6676 * This is used to initialize a delegate.
6679 mono_delegate_ctor (MonoObject *this_obj, MonoObject *target, gpointer addr)
6681 MONO_REQ_GC_UNSAFE_MODE;
6683 MonoDomain *domain = mono_domain_get ();
6685 MonoMethod *method = NULL;
6689 ji = mono_jit_info_table_find (domain, (char *)mono_get_addr_from_ftnptr (addr));
6691 if (!ji && domain != mono_get_root_domain ())
6692 ji = mono_jit_info_table_find (mono_get_root_domain (), (char *)mono_get_addr_from_ftnptr (addr));
6694 method = mono_jit_info_get_method (ji);
6695 g_assert (!method->klass->generic_container);
6698 mono_delegate_ctor_with_method (this_obj, target, addr, method);
6702 * mono_method_call_message_new:
6703 * @method: method to encapsulate
6704 * @params: parameters to the method
6705 * @invoke: optional, delegate invoke.
6706 * @cb: async callback delegate.
6707 * @state: state passed to the async callback.
6709 * Translates arguments pointers into a MonoMethodMessage.
6712 mono_method_call_message_new (MonoMethod *method, gpointer *params, MonoMethod *invoke,
6713 MonoDelegate **cb, MonoObject **state)
6715 MONO_REQ_GC_UNSAFE_MODE;
6717 MonoDomain *domain = mono_domain_get ();
6718 MonoMethodSignature *sig = mono_method_signature (method);
6719 MonoMethodMessage *msg;
6722 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6725 mono_message_init (domain, msg, mono_method_get_object (domain, invoke, NULL), NULL);
6726 count = sig->param_count - 2;
6728 mono_message_init (domain, msg, mono_method_get_object (domain, method, NULL), NULL);
6729 count = sig->param_count;
6732 for (i = 0; i < count; i++) {
6737 if (sig->params [i]->byref)
6738 vpos = *((gpointer *)params [i]);
6742 klass = mono_class_from_mono_type (sig->params [i]);
6744 if (klass->valuetype)
6745 arg = mono_value_box (domain, klass, vpos);
6747 arg = *((MonoObject **)vpos);
6749 mono_array_setref (msg->args, i, arg);
6752 if (cb != NULL && state != NULL) {
6753 *cb = *((MonoDelegate **)params [i]);
6755 *state = *((MonoObject **)params [i]);
6762 * mono_method_return_message_restore:
6764 * Restore results from message based processing back to arguments pointers
6767 mono_method_return_message_restore (MonoMethod *method, gpointer *params, MonoArray *out_args)
6769 MONO_REQ_GC_UNSAFE_MODE;
6771 MonoMethodSignature *sig = mono_method_signature (method);
6772 int i, j, type, size, out_len;
6774 if (out_args == NULL)
6776 out_len = mono_array_length (out_args);
6780 for (i = 0, j = 0; i < sig->param_count; i++) {
6781 MonoType *pt = sig->params [i];
6786 mono_raise_exception (mono_get_exception_execution_engine ("The proxy call returned an incorrect number of output arguments"));
6788 arg = (char *)mono_array_get (out_args, gpointer, j);
6791 g_assert (type != MONO_TYPE_VOID);
6793 if (MONO_TYPE_IS_REFERENCE (pt)) {
6794 mono_gc_wbarrier_generic_store (*((MonoObject ***)params [i]), (MonoObject *)arg);
6797 MonoClass *klass = ((MonoObject*)arg)->vtable->klass;
6798 size = mono_class_value_size (klass, NULL);
6799 if (klass->has_references)
6800 mono_gc_wbarrier_value_copy (*((gpointer *)params [i]), arg + sizeof (MonoObject), 1, klass);
6802 mono_gc_memmove_atomic (*((gpointer *)params [i]), arg + sizeof (MonoObject), size);
6804 size = mono_class_value_size (mono_class_from_mono_type (pt), NULL);
6805 mono_gc_bzero_atomic (*((gpointer *)params [i]), size);
6814 #ifndef DISABLE_REMOTING
6817 * mono_load_remote_field:
6818 * @this: pointer to an object
6819 * @klass: klass of the object containing @field
6820 * @field: the field to load
6821 * @res: a storage to store the result
6823 * This method is called by the runtime on attempts to load fields of
6824 * transparent proxy objects. @this points to such TP, @klass is the class of
6825 * the object containing @field. @res is a storage location which can be
6826 * used to store the result.
6828 * Returns: an address pointing to the value of field.
6831 mono_load_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res)
6833 MONO_REQ_GC_UNSAFE_MODE;
6835 static MonoMethod *getter = NULL;
6836 MonoDomain *domain = mono_domain_get ();
6837 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6838 MonoClass *field_class;
6839 MonoMethodMessage *msg;
6840 MonoArray *out_args;
6844 g_assert (mono_object_is_transparent_proxy (this_obj));
6845 g_assert (res != NULL);
6847 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6848 mono_field_get_value (tp->rp->unwrapped_server, field, res);
6853 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6855 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6858 field_class = mono_class_from_mono_type (field->type);
6860 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6861 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6862 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6864 full_name = mono_type_get_full_name (klass);
6865 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6866 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6869 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6871 if (exc) mono_raise_exception ((MonoException *)exc);
6873 if (mono_array_length (out_args) == 0)
6876 *res = mono_array_get (out_args, MonoObject *, 0); /* FIXME: GC write abrrier for res */
6878 if (field_class->valuetype) {
6879 return ((char *)*res) + sizeof (MonoObject);
6885 * mono_load_remote_field_new:
6890 * Missing documentation.
6893 mono_load_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
6895 MONO_REQ_GC_UNSAFE_MODE;
6897 static MonoMethod *getter = NULL;
6898 MonoDomain *domain = mono_domain_get ();
6899 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6900 MonoClass *field_class;
6901 MonoMethodMessage *msg;
6902 MonoArray *out_args;
6903 MonoObject *exc, *res;
6906 g_assert (mono_object_is_transparent_proxy (this_obj));
6908 field_class = mono_class_from_mono_type (field->type);
6910 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6912 if (field_class->valuetype) {
6913 res = mono_object_new (domain, field_class);
6914 val = ((gchar *) res) + sizeof (MonoObject);
6918 mono_field_get_value (tp->rp->unwrapped_server, field, val);
6923 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6925 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6928 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6929 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6931 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6933 full_name = mono_type_get_full_name (klass);
6934 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6935 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6938 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6940 if (exc) mono_raise_exception ((MonoException *)exc);
6942 if (mono_array_length (out_args) == 0)
6945 res = mono_array_get (out_args, MonoObject *, 0);
6951 * mono_store_remote_field:
6952 * @this_obj: pointer to an object
6953 * @klass: klass of the object containing @field
6954 * @field: the field to load
6955 * @val: the value/object to store
6957 * This method is called by the runtime on attempts to store fields of
6958 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
6959 * the object containing @field. @val is the new value to store in @field.
6962 mono_store_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val)
6964 MONO_REQ_GC_UNSAFE_MODE;
6966 static MonoMethod *setter = NULL;
6967 MonoDomain *domain = mono_domain_get ();
6968 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6969 MonoClass *field_class;
6970 MonoMethodMessage *msg;
6971 MonoArray *out_args;
6976 g_assert (mono_object_is_transparent_proxy (this_obj));
6978 field_class = mono_class_from_mono_type (field->type);
6980 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6981 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, val);
6982 else mono_field_set_value (tp->rp->unwrapped_server, field, *((MonoObject **)val));
6987 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
6989 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6992 if (field_class->valuetype)
6993 arg = mono_value_box (domain, field_class, val);
6995 arg = *((MonoObject **)val);
6998 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6999 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
7001 full_name = mono_type_get_full_name (klass);
7002 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7003 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7004 mono_array_setref (msg->args, 2, arg);
7007 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
7009 if (exc) mono_raise_exception ((MonoException *)exc);
7013 * mono_store_remote_field_new:
7019 * Missing documentation
7022 mono_store_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7024 MONO_REQ_GC_UNSAFE_MODE;
7026 static MonoMethod *setter = NULL;
7027 MonoDomain *domain = mono_domain_get ();
7028 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7029 MonoClass *field_class;
7030 MonoMethodMessage *msg;
7031 MonoArray *out_args;
7035 g_assert (mono_object_is_transparent_proxy (this_obj));
7037 field_class = mono_class_from_mono_type (field->type);
7039 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7040 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, ((gchar *) arg) + sizeof (MonoObject));
7041 else mono_field_set_value (tp->rp->unwrapped_server, field, arg);
7046 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7048 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
7051 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
7052 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
7054 full_name = mono_type_get_full_name (klass);
7055 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7056 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7057 mono_array_setref (msg->args, 2, arg);
7060 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
7062 if (exc) mono_raise_exception ((MonoException *)exc);
7067 * mono_create_ftnptr:
7069 * Given a function address, create a function descriptor for it.
7070 * This is only needed on some platforms.
7073 mono_create_ftnptr (MonoDomain *domain, gpointer addr)
7075 return callbacks.create_ftnptr (domain, addr);
7079 * mono_get_addr_from_ftnptr:
7081 * Given a pointer to a function descriptor, return the function address.
7082 * This is only needed on some platforms.
7085 mono_get_addr_from_ftnptr (gpointer descr)
7087 return callbacks.get_addr_from_ftnptr (descr);
7091 * mono_string_chars:
7094 * Returns a pointer to the UCS16 characters stored in the MonoString
7097 mono_string_chars (MonoString *s)
7099 // MONO_REQ_GC_UNSAFE_MODE; //FIXME too much trouble for now
7105 * mono_string_length:
7108 * Returns the lenght in characters of the string
7111 mono_string_length (MonoString *s)
7113 MONO_REQ_GC_UNSAFE_MODE;
7119 * mono_array_length:
7120 * @array: a MonoArray*
7122 * Returns the total number of elements in the array. This works for
7123 * both vectors and multidimensional arrays.
7126 mono_array_length (MonoArray *array)
7128 MONO_REQ_GC_UNSAFE_MODE;
7130 return array->max_length;
7134 * mono_array_addr_with_size:
7135 * @array: a MonoArray*
7136 * @size: size of the array elements
7137 * @idx: index into the array
7139 * Returns the address of the @idx element in the array.
7142 mono_array_addr_with_size (MonoArray *array, int size, uintptr_t idx)
7144 MONO_REQ_GC_UNSAFE_MODE;
7146 return ((char*)(array)->vector) + size * idx;
7151 mono_glist_to_array (GList *list, MonoClass *eclass)
7153 MonoDomain *domain = mono_domain_get ();
7160 len = g_list_length (list);
7161 res = mono_array_new (domain, eclass, len);
7163 for (i = 0; list; list = list->next, i++)
7164 mono_array_set (res, gpointer, i, list->data);