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 result = do_runtime_invoke (method, obj, params, exc);
2909 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2910 mono_profiler_method_end_invoke (method);
2916 * mono_method_get_unmanaged_thunk:
2917 * @method: method to generate a thunk for.
2919 * Returns an unmanaged->managed thunk that can be used to call
2920 * a managed method directly from C.
2922 * The thunk's C signature closely matches the managed signature:
2924 * C#: public bool Equals (object obj);
2925 * C: typedef MonoBoolean (*Equals)(MonoObject*,
2926 * MonoObject*, MonoException**);
2928 * The 1st ("this") parameter must not be used with static methods:
2930 * C#: public static bool ReferenceEquals (object a, object b);
2931 * C: typedef MonoBoolean (*ReferenceEquals)(MonoObject*, MonoObject*,
2934 * The last argument must be a non-null pointer of a MonoException* pointer.
2935 * It has "out" semantics. After invoking the thunk, *ex will be NULL if no
2936 * exception has been thrown in managed code. Otherwise it will point
2937 * to the MonoException* caught by the thunk. In this case, the result of
2938 * the thunk is undefined:
2940 * MonoMethod *method = ... // MonoMethod* of System.Object.Equals
2941 * MonoException *ex = NULL;
2942 * Equals func = mono_method_get_unmanaged_thunk (method);
2943 * MonoBoolean res = func (thisObj, objToCompare, &ex);
2945 * // handle exception
2948 * The calling convention of the thunk matches the platform's default
2949 * convention. This means that under Windows, C declarations must
2950 * contain the __stdcall attribute:
2952 * C: typedef MonoBoolean (__stdcall *Equals)(MonoObject*,
2953 * MonoObject*, MonoException**);
2957 * Value type arguments and return values are treated as they were objects:
2959 * C#: public static Rectangle Intersect (Rectangle a, Rectangle b);
2960 * C: typedef MonoObject* (*Intersect)(MonoObject*, MonoObject*, MonoException**);
2962 * Arguments must be properly boxed upon trunk's invocation, while return
2963 * values must be unboxed.
2966 mono_method_get_unmanaged_thunk (MonoMethod *method)
2968 MONO_REQ_GC_NEUTRAL_MODE;
2969 MONO_REQ_API_ENTRYPOINT;
2973 MONO_PREPARE_RESET_BLOCKING;
2974 method = mono_marshal_get_thunk_invoke_wrapper (method);
2975 res = mono_compile_method (method);
2976 MONO_FINISH_RESET_BLOCKING;
2982 mono_copy_value (MonoType *type, void *dest, void *value, int deref_pointer)
2984 MONO_REQ_GC_UNSAFE_MODE;
2988 /* object fields cannot be byref, so we don't need a
2990 gpointer *p = (gpointer*)dest;
2997 case MONO_TYPE_BOOLEAN:
2999 case MONO_TYPE_U1: {
3000 guint8 *p = (guint8*)dest;
3001 *p = value ? *(guint8*)value : 0;
3006 case MONO_TYPE_CHAR: {
3007 guint16 *p = (guint16*)dest;
3008 *p = value ? *(guint16*)value : 0;
3011 #if SIZEOF_VOID_P == 4
3016 case MONO_TYPE_U4: {
3017 gint32 *p = (gint32*)dest;
3018 *p = value ? *(gint32*)value : 0;
3021 #if SIZEOF_VOID_P == 8
3026 case MONO_TYPE_U8: {
3027 gint64 *p = (gint64*)dest;
3028 *p = value ? *(gint64*)value : 0;
3031 case MONO_TYPE_R4: {
3032 float *p = (float*)dest;
3033 *p = value ? *(float*)value : 0;
3036 case MONO_TYPE_R8: {
3037 double *p = (double*)dest;
3038 *p = value ? *(double*)value : 0;
3041 case MONO_TYPE_STRING:
3042 case MONO_TYPE_SZARRAY:
3043 case MONO_TYPE_CLASS:
3044 case MONO_TYPE_OBJECT:
3045 case MONO_TYPE_ARRAY:
3046 mono_gc_wbarrier_generic_store (dest, deref_pointer ? *(MonoObject **)value : (MonoObject *)value);
3048 case MONO_TYPE_FNPTR:
3049 case MONO_TYPE_PTR: {
3050 gpointer *p = (gpointer*)dest;
3051 *p = deref_pointer? *(gpointer*)value: value;
3054 case MONO_TYPE_VALUETYPE:
3055 /* note that 't' and 'type->type' can be different */
3056 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype) {
3057 t = mono_class_enum_basetype (type->data.klass)->type;
3060 MonoClass *klass = mono_class_from_mono_type (type);
3061 int size = mono_class_value_size (klass, NULL);
3063 mono_gc_bzero_atomic (dest, size);
3065 mono_gc_wbarrier_value_copy (dest, value, 1, klass);
3068 case MONO_TYPE_GENERICINST:
3069 t = type->data.generic_class->container_class->byval_arg.type;
3072 g_error ("got type %x", type->type);
3077 * mono_field_set_value:
3078 * @obj: Instance object
3079 * @field: MonoClassField describing the field to set
3080 * @value: The value to be set
3082 * Sets the value of the field described by @field in the object instance @obj
3083 * to the value passed in @value. This method should only be used for instance
3084 * fields. For static fields, use mono_field_static_set_value.
3086 * The value must be on the native format of the field type.
3089 mono_field_set_value (MonoObject *obj, MonoClassField *field, void *value)
3091 MONO_REQ_GC_UNSAFE_MODE;
3095 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3097 dest = (char*)obj + field->offset;
3098 mono_copy_value (field->type, dest, value, FALSE);
3102 * mono_field_static_set_value:
3103 * @field: MonoClassField describing the field to set
3104 * @value: The value to be set
3106 * Sets the value of the static field described by @field
3107 * to the value passed in @value.
3109 * The value must be on the native format of the field type.
3112 mono_field_static_set_value (MonoVTable *vt, MonoClassField *field, void *value)
3114 MONO_REQ_GC_UNSAFE_MODE;
3118 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3119 /* you cant set a constant! */
3120 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL));
3122 if (field->offset == -1) {
3123 /* Special static */
3126 mono_domain_lock (vt->domain);
3127 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3128 mono_domain_unlock (vt->domain);
3129 dest = mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3131 dest = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3133 mono_copy_value (field->type, dest, value, FALSE);
3137 * mono_vtable_get_static_field_data:
3139 * Internal use function: return a pointer to the memory holding the static fields
3140 * for a class or NULL if there are no static fields.
3141 * This is exported only for use by the debugger.
3144 mono_vtable_get_static_field_data (MonoVTable *vt)
3146 MONO_REQ_GC_NEUTRAL_MODE
3148 if (!vt->has_static_fields)
3150 return vt->vtable [vt->klass->vtable_size];
3154 mono_field_get_addr (MonoObject *obj, MonoVTable *vt, MonoClassField *field)
3156 MONO_REQ_GC_UNSAFE_MODE;
3160 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
3161 if (field->offset == -1) {
3162 /* Special static */
3165 mono_domain_lock (vt->domain);
3166 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3167 mono_domain_unlock (vt->domain);
3168 src = (guint8 *)mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3170 src = (guint8*)mono_vtable_get_static_field_data (vt) + field->offset;
3173 src = (guint8*)obj + field->offset;
3180 * mono_field_get_value:
3181 * @obj: Object instance
3182 * @field: MonoClassField describing the field to fetch information from
3183 * @value: pointer to the location where the value will be stored
3185 * Use this routine to get the value of the field @field in the object
3188 * The pointer provided by value must be of the field type, for reference
3189 * types this is a MonoObject*, for value types its the actual pointer to
3194 * mono_field_get_value (obj, int_field, &i);
3197 mono_field_get_value (MonoObject *obj, MonoClassField *field, void *value)
3199 MONO_REQ_GC_UNSAFE_MODE;
3205 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3207 src = (char*)obj + field->offset;
3208 mono_copy_value (field->type, value, src, TRUE);
3212 * mono_field_get_value_object:
3213 * @domain: domain where the object will be created (if boxing)
3214 * @field: MonoClassField describing the field to fetch information from
3215 * @obj: The object instance for the field.
3217 * Returns: a new MonoObject with the value from the given field. If the
3218 * field represents a value type, the value is boxed.
3222 mono_field_get_value_object (MonoDomain *domain, MonoClassField *field, MonoObject *obj)
3224 MONO_REQ_GC_UNSAFE_MODE;
3229 MonoVTable *vtable = NULL;
3231 gboolean is_static = FALSE;
3232 gboolean is_ref = FALSE;
3233 gboolean is_literal = FALSE;
3234 gboolean is_ptr = FALSE;
3235 MonoType *type = mono_field_get_type_checked (field, &error);
3237 if (!mono_error_ok (&error))
3238 mono_error_raise_exception (&error);
3240 switch (type->type) {
3241 case MONO_TYPE_STRING:
3242 case MONO_TYPE_OBJECT:
3243 case MONO_TYPE_CLASS:
3244 case MONO_TYPE_ARRAY:
3245 case MONO_TYPE_SZARRAY:
3250 case MONO_TYPE_BOOLEAN:
3253 case MONO_TYPE_CHAR:
3262 case MONO_TYPE_VALUETYPE:
3263 is_ref = type->byref;
3265 case MONO_TYPE_GENERICINST:
3266 is_ref = !mono_type_generic_inst_is_valuetype (type);
3272 g_error ("type 0x%x not handled in "
3273 "mono_field_get_value_object", type->type);
3277 if (type->attrs & FIELD_ATTRIBUTE_LITERAL)
3280 if (type->attrs & FIELD_ATTRIBUTE_STATIC) {
3284 vtable = mono_class_vtable_full (domain, field->parent, TRUE);
3285 if (!vtable->initialized)
3286 mono_runtime_class_init (vtable);
3294 get_default_field_value (domain, field, &o);
3295 } else if (is_static) {
3296 mono_field_static_get_value (vtable, field, &o);
3298 mono_field_get_value (obj, field, &o);
3304 static MonoMethod *m;
3310 MonoClass *ptr_klass = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
3311 m = mono_class_get_method_from_name_flags (ptr_klass, "Box", 2, METHOD_ATTRIBUTE_STATIC);
3317 get_default_field_value (domain, field, v);
3318 } else if (is_static) {
3319 mono_field_static_get_value (vtable, field, v);
3321 mono_field_get_value (obj, field, v);
3324 /* MONO_TYPE_PTR is passed by value to runtime_invoke () */
3325 args [0] = ptr ? *ptr : NULL;
3326 args [1] = mono_type_get_object_checked (mono_domain_get (), type, &error);
3327 mono_error_raise_exception (&error); /* FIXME don't raise here */
3329 return mono_runtime_invoke (m, NULL, args, NULL);
3332 /* boxed value type */
3333 klass = mono_class_from_mono_type (type);
3335 if (mono_class_is_nullable (klass))
3336 return mono_nullable_box (mono_field_get_addr (obj, vtable, field), klass);
3338 o = mono_object_new (domain, klass);
3339 v = ((gchar *) o) + sizeof (MonoObject);
3342 get_default_field_value (domain, field, v);
3343 } else if (is_static) {
3344 mono_field_static_get_value (vtable, field, v);
3346 mono_field_get_value (obj, field, v);
3353 mono_get_constant_value_from_blob (MonoDomain* domain, MonoTypeEnum type, const char *blob, void *value)
3355 MONO_REQ_GC_UNSAFE_MODE;
3358 const char *p = blob;
3359 mono_metadata_decode_blob_size (p, &p);
3362 case MONO_TYPE_BOOLEAN:
3365 *(guint8 *) value = *p;
3367 case MONO_TYPE_CHAR:
3370 *(guint16*) value = read16 (p);
3374 *(guint32*) value = read32 (p);
3378 *(guint64*) value = read64 (p);
3381 readr4 (p, (float*) value);
3384 readr8 (p, (double*) value);
3386 case MONO_TYPE_STRING:
3387 *(gpointer*) value = mono_ldstr_metadata_sig (domain, blob);
3389 case MONO_TYPE_CLASS:
3390 *(gpointer*) value = NULL;
3394 g_warning ("type 0x%02x should not be in constant table", type);
3400 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value)
3402 MONO_REQ_GC_NEUTRAL_MODE;
3404 MonoTypeEnum def_type;
3407 data = mono_class_get_field_default_value (field, &def_type);
3408 mono_get_constant_value_from_blob (domain, def_type, data, value);
3412 mono_field_static_get_value_for_thread (MonoInternalThread *thread, MonoVTable *vt, MonoClassField *field, void *value)
3414 MONO_REQ_GC_UNSAFE_MODE;
3418 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3420 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL) {
3421 get_default_field_value (vt->domain, field, value);
3425 if (field->offset == -1) {
3426 /* Special static */
3427 gpointer addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3428 src = mono_get_special_static_data_for_thread (thread, GPOINTER_TO_UINT (addr));
3430 src = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3432 mono_copy_value (field->type, value, src, TRUE);
3436 * mono_field_static_get_value:
3437 * @vt: vtable to the object
3438 * @field: MonoClassField describing the field to fetch information from
3439 * @value: where the value is returned
3441 * Use this routine to get the value of the static field @field value.
3443 * The pointer provided by value must be of the field type, for reference
3444 * types this is a MonoObject*, for value types its the actual pointer to
3449 * mono_field_static_get_value (vt, int_field, &i);
3452 mono_field_static_get_value (MonoVTable *vt, MonoClassField *field, void *value)
3454 MONO_REQ_GC_NEUTRAL_MODE;
3456 mono_field_static_get_value_for_thread (mono_thread_internal_current (), vt, field, value);
3460 * mono_property_set_value:
3461 * @prop: MonoProperty to set
3462 * @obj: instance object on which to act
3463 * @params: parameters to pass to the propery
3464 * @exc: optional exception
3466 * Invokes the property's set method with the given arguments on the
3467 * object instance obj (or NULL for static properties).
3469 * You can pass NULL as the exc argument if you don't want to
3470 * catch exceptions, otherwise, *exc will be set to the exception
3471 * thrown, if any. if an exception is thrown, you can't use the
3472 * MonoObject* result from the function.
3475 mono_property_set_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3477 MONO_REQ_GC_UNSAFE_MODE;
3479 do_runtime_invoke (prop->set, obj, params, exc);
3483 * mono_property_get_value:
3484 * @prop: MonoProperty to fetch
3485 * @obj: instance object on which to act
3486 * @params: parameters to pass to the propery
3487 * @exc: optional exception
3489 * Invokes the property's get method with the given arguments on the
3490 * object instance obj (or NULL for static properties).
3492 * You can pass NULL as the exc argument if you don't want to
3493 * catch exceptions, otherwise, *exc will be set to the exception
3494 * thrown, if any. if an exception is thrown, you can't use the
3495 * MonoObject* result from the function.
3497 * Returns: the value from invoking the get method on the property.
3500 mono_property_get_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3502 MONO_REQ_GC_UNSAFE_MODE;
3504 return do_runtime_invoke (prop->get, obj, params, exc);
3508 * mono_nullable_init:
3509 * @buf: The nullable structure to initialize.
3510 * @value: the value to initialize from
3511 * @klass: the type for the object
3513 * Initialize the nullable structure pointed to by @buf from @value which
3514 * should be a boxed value type. The size of @buf should be able to hold
3515 * as much data as the @klass->instance_size (which is the number of bytes
3516 * that will be copies).
3518 * Since Nullables have variable structure, we can not define a C
3519 * structure for them.
3522 mono_nullable_init (guint8 *buf, MonoObject *value, MonoClass *klass)
3524 MONO_REQ_GC_UNSAFE_MODE;
3526 MonoClass *param_class = klass->cast_class;
3528 mono_class_setup_fields_locking (klass);
3529 g_assert (klass->fields_inited);
3531 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3532 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3534 *(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject)) = value ? 1 : 0;
3536 if (param_class->has_references)
3537 mono_gc_wbarrier_value_copy (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), 1, param_class);
3539 mono_gc_memmove_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), mono_class_value_size (param_class, NULL));
3541 mono_gc_bzero_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3546 * mono_nullable_box:
3547 * @buf: The buffer representing the data to be boxed
3548 * @klass: the type to box it as.
3550 * Creates a boxed vtype or NULL from the Nullable structure pointed to by
3554 mono_nullable_box (guint8 *buf, MonoClass *klass)
3556 MONO_REQ_GC_UNSAFE_MODE;
3558 MonoClass *param_class = klass->cast_class;
3560 mono_class_setup_fields_locking (klass);
3561 g_assert (klass->fields_inited);
3563 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3564 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3566 if (*(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject))) {
3567 MonoObject *o = mono_object_new (mono_domain_get (), param_class);
3568 if (param_class->has_references)
3569 mono_gc_wbarrier_value_copy (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), 1, param_class);
3571 mono_gc_memmove_atomic (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3579 * mono_get_delegate_invoke:
3580 * @klass: The delegate class
3582 * Returns: the MonoMethod for the "Invoke" method in the delegate klass or NULL if @klass is a broken delegate type
3585 mono_get_delegate_invoke (MonoClass *klass)
3587 MONO_REQ_GC_NEUTRAL_MODE;
3591 /* This is called at runtime, so avoid the slower search in metadata */
3592 mono_class_setup_methods (klass);
3593 if (klass->exception_type)
3595 im = mono_class_get_method_from_name (klass, "Invoke", -1);
3600 * mono_get_delegate_begin_invoke:
3601 * @klass: The delegate class
3603 * Returns: the MonoMethod for the "BeginInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3606 mono_get_delegate_begin_invoke (MonoClass *klass)
3608 MONO_REQ_GC_NEUTRAL_MODE;
3612 /* This is called at runtime, so avoid the slower search in metadata */
3613 mono_class_setup_methods (klass);
3614 if (klass->exception_type)
3616 im = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
3621 * mono_get_delegate_end_invoke:
3622 * @klass: The delegate class
3624 * Returns: the MonoMethod for the "EndInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3627 mono_get_delegate_end_invoke (MonoClass *klass)
3629 MONO_REQ_GC_NEUTRAL_MODE;
3633 /* This is called at runtime, so avoid the slower search in metadata */
3634 mono_class_setup_methods (klass);
3635 if (klass->exception_type)
3637 im = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3642 * mono_runtime_delegate_invoke:
3643 * @delegate: pointer to a delegate object.
3644 * @params: parameters for the delegate.
3645 * @exc: Pointer to the exception result.
3647 * Invokes the delegate method @delegate with the parameters provided.
3649 * You can pass NULL as the exc argument if you don't want to
3650 * catch exceptions, otherwise, *exc will be set to the exception
3651 * thrown, if any. if an exception is thrown, you can't use the
3652 * MonoObject* result from the function.
3655 mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
3657 MONO_REQ_GC_UNSAFE_MODE;
3660 MonoClass *klass = delegate->vtable->klass;
3662 im = mono_get_delegate_invoke (klass);
3664 g_error ("Could not lookup delegate invoke method for delegate %s", mono_type_get_full_name (klass));
3666 return mono_runtime_invoke (im, delegate, params, exc);
3669 static char **main_args = NULL;
3670 static int num_main_args = 0;
3673 * mono_runtime_get_main_args:
3675 * Returns: a MonoArray with the arguments passed to the main program
3678 mono_runtime_get_main_args (void)
3680 MONO_REQ_GC_UNSAFE_MODE;
3684 MonoDomain *domain = mono_domain_get ();
3686 res = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, num_main_args);
3688 for (i = 0; i < num_main_args; ++i)
3689 mono_array_setref (res, i, mono_string_new (domain, main_args [i]));
3695 free_main_args (void)
3697 MONO_REQ_GC_NEUTRAL_MODE;
3701 for (i = 0; i < num_main_args; ++i)
3702 g_free (main_args [i]);
3709 * mono_runtime_set_main_args:
3710 * @argc: number of arguments from the command line
3711 * @argv: array of strings from the command line
3713 * Set the command line arguments from an embedding application that doesn't otherwise call
3714 * mono_runtime_run_main ().
3717 mono_runtime_set_main_args (int argc, char* argv[])
3719 MONO_REQ_GC_NEUTRAL_MODE;
3724 main_args = g_new0 (char*, argc);
3725 num_main_args = argc;
3727 for (i = 0; i < argc; ++i) {
3730 utf8_arg = mono_utf8_from_external (argv[i]);
3731 if (utf8_arg == NULL) {
3732 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv [i]);
3733 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3737 main_args [i] = utf8_arg;
3744 * mono_runtime_run_main:
3745 * @method: the method to start the application with (usually Main)
3746 * @argc: number of arguments from the command line
3747 * @argv: array of strings from the command line
3748 * @exc: excetption results
3750 * Execute a standard Main() method (argc/argv contains the
3751 * executable name). This method also sets the command line argument value
3752 * needed by System.Environment.
3757 mono_runtime_run_main (MonoMethod *method, int argc, char* argv[],
3760 MONO_REQ_GC_UNSAFE_MODE;
3763 MonoArray *args = NULL;
3764 MonoDomain *domain = mono_domain_get ();
3765 gchar *utf8_fullpath;
3766 MonoMethodSignature *sig;
3768 g_assert (method != NULL);
3770 mono_thread_set_main (mono_thread_current ());
3772 main_args = g_new0 (char*, argc);
3773 num_main_args = argc;
3775 if (!g_path_is_absolute (argv [0])) {
3776 gchar *basename = g_path_get_basename (argv [0]);
3777 gchar *fullpath = g_build_filename (method->klass->image->assembly->basedir,
3781 utf8_fullpath = mono_utf8_from_external (fullpath);
3782 if(utf8_fullpath == NULL) {
3783 /* Printing the arg text will cause glib to
3784 * whinge about "Invalid UTF-8", but at least
3785 * its relevant, and shows the problem text
3788 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", fullpath);
3789 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3796 utf8_fullpath = mono_utf8_from_external (argv[0]);
3797 if(utf8_fullpath == NULL) {
3798 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", argv[0]);
3799 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3804 main_args [0] = utf8_fullpath;
3806 for (i = 1; i < argc; ++i) {
3809 utf8_arg=mono_utf8_from_external (argv[i]);
3810 if(utf8_arg==NULL) {
3811 /* Ditto the comment about Invalid UTF-8 here */
3812 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv[i]);
3813 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3817 main_args [i] = utf8_arg;
3822 sig = mono_method_signature (method);
3824 g_print ("Unable to load Main method.\n");
3828 if (sig->param_count) {
3829 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, argc);
3830 for (i = 0; i < argc; ++i) {
3831 /* The encodings should all work, given that
3832 * we've checked all these args for the
3835 gchar *str = mono_utf8_from_external (argv [i]);
3836 MonoString *arg = mono_string_new (domain, str);
3837 mono_array_setref (args, i, arg);
3841 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
3844 mono_assembly_set_main (method->klass->image->assembly);
3846 return mono_runtime_exec_main (method, args, exc);
3850 serialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3852 static MonoMethod *serialize_method;
3857 if (!serialize_method) {
3858 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3859 serialize_method = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
3862 if (!serialize_method) {
3867 g_assert (!mono_class_is_marshalbyref (mono_object_class (obj)));
3871 array = mono_runtime_invoke (serialize_method, NULL, params, exc);
3879 deserialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3881 MONO_REQ_GC_UNSAFE_MODE;
3883 static MonoMethod *deserialize_method;
3888 if (!deserialize_method) {
3889 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3890 deserialize_method = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
3892 if (!deserialize_method) {
3899 result = mono_runtime_invoke (deserialize_method, NULL, params, exc);
3906 #ifndef DISABLE_REMOTING
3908 make_transparent_proxy (MonoObject *obj, gboolean *failure, MonoObject **exc)
3910 MONO_REQ_GC_UNSAFE_MODE;
3912 static MonoMethod *get_proxy_method;
3915 MonoDomain *domain = mono_domain_get ();
3916 MonoRealProxy *real_proxy;
3917 MonoReflectionType *reflection_type;
3918 MonoTransparentProxy *transparent_proxy;
3920 if (!get_proxy_method)
3921 get_proxy_method = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
3923 g_assert (mono_class_is_marshalbyref (obj->vtable->klass));
3925 real_proxy = (MonoRealProxy*) mono_object_new (domain, mono_defaults.real_proxy_class);
3926 reflection_type = mono_type_get_object_checked (domain, &obj->vtable->klass->byval_arg, &error);
3927 mono_error_raise_exception (&error); /* FIXME don't raise here */
3929 MONO_OBJECT_SETREF (real_proxy, class_to_proxy, reflection_type);
3930 MONO_OBJECT_SETREF (real_proxy, unwrapped_server, obj);
3933 transparent_proxy = (MonoTransparentProxy*) mono_runtime_invoke (get_proxy_method, real_proxy, NULL, exc);
3937 return (MonoObject*) transparent_proxy;
3939 #endif /* DISABLE_REMOTING */
3942 * mono_object_xdomain_representation
3944 * @target_domain: a domain
3945 * @exc: pointer to a MonoObject*
3947 * Creates a representation of obj in the domain target_domain. This
3948 * is either a copy of obj arrived through via serialization and
3949 * deserialization or a proxy, depending on whether the object is
3950 * serializable or marshal by ref. obj must not be in target_domain.
3952 * If the object cannot be represented in target_domain, NULL is
3953 * returned and *exc is set to an appropriate exception.
3956 mono_object_xdomain_representation (MonoObject *obj, MonoDomain *target_domain, MonoObject **exc)
3958 MONO_REQ_GC_UNSAFE_MODE;
3960 MonoObject *deserialized = NULL;
3961 gboolean failure = FALSE;
3965 #ifndef DISABLE_REMOTING
3966 if (mono_class_is_marshalbyref (mono_object_class (obj))) {
3967 deserialized = make_transparent_proxy (obj, &failure, exc);
3972 MonoDomain *domain = mono_domain_get ();
3973 MonoObject *serialized;
3975 mono_domain_set_internal_with_options (mono_object_domain (obj), FALSE);
3976 serialized = serialize_object (obj, &failure, exc);
3977 mono_domain_set_internal_with_options (target_domain, FALSE);
3979 deserialized = deserialize_object (serialized, &failure, exc);
3980 if (domain != target_domain)
3981 mono_domain_set_internal_with_options (domain, FALSE);
3984 return deserialized;
3987 /* Used in call_unhandled_exception_delegate */
3989 create_unhandled_exception_eventargs (MonoObject *exc)
3991 MONO_REQ_GC_UNSAFE_MODE;
3995 MonoMethod *method = NULL;
3996 MonoBoolean is_terminating = TRUE;
3999 klass = mono_class_from_name (mono_defaults.corlib, "System", "UnhandledExceptionEventArgs");
4002 mono_class_init (klass);
4004 /* UnhandledExceptionEventArgs only has 1 public ctor with 2 args */
4005 method = mono_class_get_method_from_name_flags (klass, ".ctor", 2, METHOD_ATTRIBUTE_PUBLIC);
4009 args [1] = &is_terminating;
4011 obj = mono_object_new (mono_domain_get (), klass);
4012 mono_runtime_invoke (method, obj, args, NULL);
4017 /* Used in mono_unhandled_exception */
4019 call_unhandled_exception_delegate (MonoDomain *domain, MonoObject *delegate, MonoObject *exc) {
4020 MONO_REQ_GC_UNSAFE_MODE;
4022 MonoObject *e = NULL;
4024 MonoDomain *current_domain = mono_domain_get ();
4026 if (domain != current_domain)
4027 mono_domain_set_internal_with_options (domain, FALSE);
4029 g_assert (domain == mono_object_domain (domain->domain));
4031 if (mono_object_domain (exc) != domain) {
4032 MonoObject *serialization_exc;
4034 exc = mono_object_xdomain_representation (exc, domain, &serialization_exc);
4036 if (serialization_exc) {
4038 exc = mono_object_xdomain_representation (serialization_exc, domain, &dummy);
4041 exc = (MonoObject*) mono_exception_from_name_msg (mono_get_corlib (),
4042 "System.Runtime.Serialization", "SerializationException",
4043 "Could not serialize unhandled exception.");
4047 g_assert (mono_object_domain (exc) == domain);
4049 pa [0] = domain->domain;
4050 pa [1] = create_unhandled_exception_eventargs (exc);
4051 mono_runtime_delegate_invoke (delegate, pa, &e);
4053 if (domain != current_domain)
4054 mono_domain_set_internal_with_options (current_domain, FALSE);
4058 gchar *msg = mono_string_to_utf8_checked (((MonoException *) e)->message, &error);
4059 if (!mono_error_ok (&error)) {
4060 g_warning ("Exception inside UnhandledException handler with invalid message (Invalid characters)\n");
4061 mono_error_cleanup (&error);
4063 g_warning ("exception inside UnhandledException handler: %s\n", msg);
4069 static MonoRuntimeUnhandledExceptionPolicy runtime_unhandled_exception_policy = MONO_UNHANDLED_POLICY_CURRENT;
4072 * mono_runtime_unhandled_exception_policy_set:
4073 * @policy: the new policy
4075 * This is a VM internal routine.
4077 * Sets the runtime policy for handling unhandled exceptions.
4080 mono_runtime_unhandled_exception_policy_set (MonoRuntimeUnhandledExceptionPolicy policy) {
4081 runtime_unhandled_exception_policy = policy;
4085 * mono_runtime_unhandled_exception_policy_get:
4087 * This is a VM internal routine.
4089 * Gets the runtime policy for handling unhandled exceptions.
4091 MonoRuntimeUnhandledExceptionPolicy
4092 mono_runtime_unhandled_exception_policy_get (void) {
4093 return runtime_unhandled_exception_policy;
4097 * mono_unhandled_exception:
4098 * @exc: exception thrown
4100 * This is a VM internal routine.
4102 * We call this function when we detect an unhandled exception
4103 * in the default domain.
4105 * It invokes the * UnhandledException event in AppDomain or prints
4106 * a warning to the console
4109 mono_unhandled_exception (MonoObject *exc)
4111 MONO_REQ_GC_UNSAFE_MODE;
4113 MonoClassField *field;
4114 MonoDomain *current_domain, *root_domain;
4115 MonoObject *current_appdomain_delegate = NULL, *root_appdomain_delegate = NULL;
4117 if (mono_class_has_parent (exc->vtable->klass, mono_defaults.threadabortexception_class))
4120 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "UnhandledException");
4123 current_domain = mono_domain_get ();
4124 root_domain = mono_get_root_domain ();
4126 root_appdomain_delegate = mono_field_get_value_object (root_domain, field, (MonoObject*) root_domain->domain);
4127 if (current_domain != root_domain)
4128 current_appdomain_delegate = mono_field_get_value_object (current_domain, field, (MonoObject*) current_domain->domain);
4130 /* set exitcode only if we will abort the process */
4131 if (!current_appdomain_delegate && !root_appdomain_delegate) {
4132 if ((main_thread && mono_thread_internal_current () == main_thread->internal_thread)
4133 || mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_CURRENT)
4135 mono_environment_exitcode_set (1);
4138 mono_print_unhandled_exception (exc);
4140 if (root_appdomain_delegate)
4141 call_unhandled_exception_delegate (root_domain, root_appdomain_delegate, exc);
4142 if (current_appdomain_delegate)
4143 call_unhandled_exception_delegate (current_domain, current_appdomain_delegate, exc);
4148 * mono_runtime_exec_managed_code:
4149 * @domain: Application domain
4150 * @main_func: function to invoke from the execution thread
4151 * @main_args: parameter to the main_func
4153 * Launch a new thread to execute a function
4155 * main_func is called back from the thread with main_args as the
4156 * parameter. The callback function is expected to start Main()
4157 * eventually. This function then waits for all managed threads to
4159 * It is not necesseray anymore to execute managed code in a subthread,
4160 * so this function should not be used anymore by default: just
4161 * execute the code and then call mono_thread_manage ().
4164 mono_runtime_exec_managed_code (MonoDomain *domain,
4165 MonoMainThreadFunc main_func,
4168 mono_thread_create (domain, main_func, main_args);
4170 mono_thread_manage ();
4174 * Execute a standard Main() method (args doesn't contain the
4178 mono_runtime_exec_main (MonoMethod *method, MonoArray *args, MonoObject **exc)
4180 MONO_REQ_GC_UNSAFE_MODE;
4185 MonoCustomAttrInfo* cinfo;
4186 gboolean has_stathread_attribute;
4187 MonoInternalThread* thread = mono_thread_internal_current ();
4193 domain = mono_object_domain (args);
4194 if (!domain->entry_assembly) {
4196 MonoAssembly *assembly;
4198 assembly = method->klass->image->assembly;
4199 domain->entry_assembly = assembly;
4200 /* Domains created from another domain already have application_base and configuration_file set */
4201 if (domain->setup->application_base == NULL) {
4202 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, assembly->basedir));
4205 if (domain->setup->configuration_file == NULL) {
4206 str = g_strconcat (assembly->image->name, ".config", NULL);
4207 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, str));
4209 mono_domain_set_options_from_config (domain);
4213 cinfo = mono_custom_attrs_from_method (method);
4215 static MonoClass *stathread_attribute = NULL;
4216 if (!stathread_attribute)
4217 stathread_attribute = mono_class_from_name (mono_defaults.corlib, "System", "STAThreadAttribute");
4218 has_stathread_attribute = mono_custom_attrs_has_attr (cinfo, stathread_attribute);
4220 mono_custom_attrs_free (cinfo);
4222 has_stathread_attribute = FALSE;
4224 if (has_stathread_attribute) {
4225 thread->apartment_state = ThreadApartmentState_STA;
4227 thread->apartment_state = ThreadApartmentState_MTA;
4229 mono_thread_init_apartment_state ();
4231 /* FIXME: check signature of method */
4232 if (mono_method_signature (method)->ret->type == MONO_TYPE_I4) {
4234 res = mono_runtime_invoke (method, NULL, pa, exc);
4236 rval = *(guint32 *)((char *)res + sizeof (MonoObject));
4240 mono_environment_exitcode_set (rval);
4242 mono_runtime_invoke (method, NULL, pa, exc);
4246 /* If the return type of Main is void, only
4247 * set the exitcode if an exception was thrown
4248 * (we don't want to blow away an
4249 * explicitly-set exit code)
4252 mono_environment_exitcode_set (rval);
4260 * mono_runtime_invoke_array:
4261 * @method: method to invoke
4262 * @obJ: object instance
4263 * @params: arguments to the method
4264 * @exc: exception information.
4266 * Invokes the method represented by @method on the object @obj.
4268 * obj is the 'this' pointer, it should be NULL for static
4269 * methods, a MonoObject* for object instances and a pointer to
4270 * the value type for value types.
4272 * The params array contains the arguments to the method with the
4273 * same convention: MonoObject* pointers for object instances and
4274 * pointers to the value type otherwise. The _invoke_array
4275 * variant takes a C# object[] as the params argument (MonoArray
4276 * *params): in this case the value types are boxed inside the
4277 * respective reference representation.
4279 * From unmanaged code you'll usually use the
4280 * mono_runtime_invoke() variant.
4282 * Note that this function doesn't handle virtual methods for
4283 * you, it will exec the exact method you pass: we still need to
4284 * expose a function to lookup the derived class implementation
4285 * of a virtual method (there are examples of this in the code,
4288 * You can pass NULL as the exc argument if you don't want to
4289 * catch exceptions, otherwise, *exc will be set to the exception
4290 * thrown, if any. if an exception is thrown, you can't use the
4291 * MonoObject* result from the function.
4293 * If the method returns a value type, it is boxed in an object
4297 mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
4300 MONO_REQ_GC_UNSAFE_MODE;
4303 MonoMethodSignature *sig = mono_method_signature (method);
4304 gpointer *pa = NULL;
4307 gboolean has_byref_nullables = FALSE;
4309 if (NULL != params) {
4310 pa = (void **)alloca (sizeof (gpointer) * mono_array_length (params));
4311 for (i = 0; i < mono_array_length (params); i++) {
4312 MonoType *t = sig->params [i];
4318 case MONO_TYPE_BOOLEAN:
4321 case MONO_TYPE_CHAR:
4330 case MONO_TYPE_VALUETYPE:
4331 if (t->type == MONO_TYPE_VALUETYPE && mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4332 /* The runtime invoke wrapper needs the original boxed vtype, it does handle byref values as well. */
4333 pa [i] = mono_array_get (params, MonoObject*, i);
4335 has_byref_nullables = TRUE;
4337 /* MS seems to create the objects if a null is passed in */
4338 if (!mono_array_get (params, MonoObject*, i))
4339 mono_array_setref (params, i, mono_object_new (mono_domain_get (), mono_class_from_mono_type (sig->params [i])));
4343 * We can't pass the unboxed vtype byref to the callee, since
4344 * that would mean the callee would be able to modify boxed
4345 * primitive types. So we (and MS) make a copy of the boxed
4346 * object, pass that to the callee, and replace the original
4347 * boxed object in the arg array with the copy.
4349 MonoObject *orig = mono_array_get (params, MonoObject*, i);
4350 MonoObject *copy = mono_value_box (mono_domain_get (), orig->vtable->klass, mono_object_unbox (orig));
4351 mono_array_setref (params, i, copy);
4354 pa [i] = mono_object_unbox (mono_array_get (params, MonoObject*, i));
4357 case MONO_TYPE_STRING:
4358 case MONO_TYPE_OBJECT:
4359 case MONO_TYPE_CLASS:
4360 case MONO_TYPE_ARRAY:
4361 case MONO_TYPE_SZARRAY:
4363 pa [i] = mono_array_addr (params, MonoObject*, i);
4364 // FIXME: I need to check this code path
4366 pa [i] = mono_array_get (params, MonoObject*, i);
4368 case MONO_TYPE_GENERICINST:
4370 t = &t->data.generic_class->container_class->this_arg;
4372 t = &t->data.generic_class->container_class->byval_arg;
4374 case MONO_TYPE_PTR: {
4377 /* The argument should be an IntPtr */
4378 arg = mono_array_get (params, MonoObject*, i);
4382 g_assert (arg->vtable->klass == mono_defaults.int_class);
4383 pa [i] = ((MonoIntPtr*)arg)->m_value;
4388 g_error ("type 0x%x not handled in mono_runtime_invoke_array", sig->params [i]->type);
4393 if (!strcmp (method->name, ".ctor") && method->klass != mono_defaults.string_class) {
4396 if (mono_class_is_nullable (method->klass)) {
4397 /* Need to create a boxed vtype instead */
4403 return mono_value_box (mono_domain_get (), method->klass->cast_class, pa [0]);
4407 obj = mono_object_new (mono_domain_get (), method->klass);
4408 g_assert (obj); /*maybe we should raise a TLE instead?*/
4409 #ifndef DISABLE_REMOTING
4410 if (mono_object_class(obj) == mono_defaults.transparent_proxy_class) {
4411 method = mono_marshal_get_remoting_invoke (method->slot == -1 ? method : method->klass->vtable [method->slot]);
4414 if (method->klass->valuetype)
4415 o = (MonoObject *)mono_object_unbox ((MonoObject *)obj);
4418 } else if (method->klass->valuetype) {
4419 obj = mono_value_box (mono_domain_get (), method->klass, obj);
4422 mono_runtime_invoke (method, o, pa, exc);
4423 return (MonoObject *)obj;
4425 if (mono_class_is_nullable (method->klass)) {
4426 MonoObject *nullable;
4428 /* Convert the unboxed vtype into a Nullable structure */
4429 nullable = mono_object_new (mono_domain_get (), method->klass);
4431 mono_nullable_init ((guint8 *)mono_object_unbox (nullable), mono_value_box (mono_domain_get (), method->klass->cast_class, obj), method->klass);
4432 obj = mono_object_unbox (nullable);
4435 /* obj must be already unboxed if needed */
4436 res = mono_runtime_invoke (method, obj, pa, exc);
4438 if (sig->ret->type == MONO_TYPE_PTR) {
4439 MonoClass *pointer_class;
4440 static MonoMethod *box_method;
4442 MonoObject *box_exc;
4445 * The runtime-invoke wrapper returns a boxed IntPtr, need to
4446 * convert it to a Pointer object.
4448 pointer_class = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
4450 box_method = mono_class_get_method_from_name (pointer_class, "Box", -1);
4452 g_assert (res->vtable->klass == mono_defaults.int_class);
4453 box_args [0] = ((MonoIntPtr*)res)->m_value;
4454 box_args [1] = mono_type_get_object_checked (mono_domain_get (), sig->ret, &error);
4455 mono_error_raise_exception (&error); /* FIXME don't raise here */
4457 res = mono_runtime_invoke (box_method, NULL, box_args, &box_exc);
4458 g_assert (!box_exc);
4461 if (has_byref_nullables) {
4463 * The runtime invoke wrapper already converted byref nullables back,
4464 * and stored them in pa, we just need to copy them back to the
4467 for (i = 0; i < mono_array_length (params); i++) {
4468 MonoType *t = sig->params [i];
4470 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4471 mono_array_setref (params, i, pa [i]);
4481 * @klass: the class of the object that we want to create
4483 * Returns: a newly created object whose definition is
4484 * looked up using @klass. This will not invoke any constructors,
4485 * so the consumer of this routine has to invoke any constructors on
4486 * its own to initialize the object.
4488 * It returns NULL on failure.
4491 mono_object_new (MonoDomain *domain, MonoClass *klass)
4493 MONO_REQ_GC_UNSAFE_MODE;
4497 vtable = mono_class_vtable (domain, klass);
4502 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4503 mono_error_raise_exception (&error); /* FIXME don't raise here */
4509 * mono_object_new_pinned:
4511 * Same as mono_object_new, but the returned object will be pinned.
4512 * For SGEN, these objects will only be freed at appdomain unload.
4515 mono_object_new_pinned (MonoDomain *domain, MonoClass *klass, MonoError *error)
4517 MONO_REQ_GC_UNSAFE_MODE;
4521 mono_error_init (error);
4523 vtable = mono_class_vtable (domain, klass);
4524 g_assert (vtable); /* FIXME don't swallow the error */
4526 MonoObject *o = (MonoObject *)mono_gc_alloc_pinned_obj (vtable, mono_class_instance_size (klass));
4528 if (G_UNLIKELY (!o))
4529 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", mono_class_instance_size (klass));
4530 else if (G_UNLIKELY (vtable->klass->has_finalize))
4531 mono_object_register_finalizer (o);
4537 * mono_object_new_specific:
4538 * @vtable: the vtable of the object that we want to create
4540 * Returns: A newly created object with class and domain specified
4544 mono_object_new_specific (MonoVTable *vtable)
4547 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4548 mono_error_raise_exception (&error);
4554 mono_object_new_specific_checked (MonoVTable *vtable, MonoError *error)
4556 MONO_REQ_GC_UNSAFE_MODE;
4560 mono_error_init (error);
4562 /* check for is_com_object for COM Interop */
4563 if (mono_vtable_is_remote (vtable) || mono_class_is_com_object (vtable->klass))
4566 MonoMethod *im = vtable->domain->create_proxy_for_type_method;
4569 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Activation", "ActivationServices");
4572 mono_class_init (klass);
4574 im = mono_class_get_method_from_name (klass, "CreateProxyForType", 1);
4576 mono_error_set_generic_error (error, "System", "NotSupportedException", "Linked away.");
4579 vtable->domain->create_proxy_for_type_method = im;
4582 pa [0] = mono_type_get_object_checked (mono_domain_get (), &vtable->klass->byval_arg, error);
4583 if (!mono_error_ok (error))
4586 o = mono_runtime_invoke (im, NULL, pa, NULL);
4587 if (o != NULL) return o;
4590 return mono_object_new_alloc_specific_checked (vtable, error);
4594 ves_icall_object_new_specific (MonoVTable *vtable)
4597 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4598 mono_error_raise_exception (&error);
4604 mono_object_new_alloc_specific (MonoVTable *vtable)
4607 MonoObject *o = mono_object_new_alloc_specific_checked (vtable, &error);
4608 mono_error_raise_exception (&error);
4614 mono_object_new_alloc_specific_checked (MonoVTable *vtable, MonoError *error)
4616 MONO_REQ_GC_UNSAFE_MODE;
4620 mono_error_init (error);
4622 o = (MonoObject *)mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4624 if (G_UNLIKELY (!o))
4625 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4626 else if (G_UNLIKELY (vtable->klass->has_finalize))
4627 mono_object_register_finalizer (o);
4633 mono_object_new_fast (MonoVTable *vtable)
4636 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
4637 mono_error_raise_exception (&error);
4643 mono_object_new_fast_checked (MonoVTable *vtable, MonoError *error)
4645 MONO_REQ_GC_UNSAFE_MODE;
4649 mono_error_init (error);
4651 o = mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4653 if (G_UNLIKELY (!o))
4654 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4660 ves_icall_object_new_fast (MonoVTable *vtable)
4663 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
4664 mono_error_raise_exception (&error);
4670 mono_object_new_mature (MonoVTable *vtable, MonoError *error)
4672 MONO_REQ_GC_UNSAFE_MODE;
4676 mono_error_init (error);
4678 o = mono_gc_alloc_mature (vtable, vtable->klass->instance_size);
4680 if (G_UNLIKELY (!o))
4681 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4682 else if (G_UNLIKELY (vtable->klass->has_finalize))
4683 mono_object_register_finalizer (o);
4689 * mono_class_get_allocation_ftn:
4691 * @for_box: the object will be used for boxing
4692 * @pass_size_in_words:
4694 * Return the allocation function appropriate for the given class.
4698 mono_class_get_allocation_ftn (MonoVTable *vtable, gboolean for_box, gboolean *pass_size_in_words)
4700 MONO_REQ_GC_NEUTRAL_MODE;
4702 *pass_size_in_words = FALSE;
4704 if (mono_class_has_finalizer (vtable->klass) || mono_class_is_marshalbyref (vtable->klass) || (mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS))
4705 return ves_icall_object_new_specific;
4707 if (vtable->gc_descr != MONO_GC_DESCRIPTOR_NULL) {
4709 return ves_icall_object_new_fast;
4712 * FIXME: This is actually slower than ves_icall_object_new_fast, because
4713 * of the overhead of parameter passing.
4716 *pass_size_in_words = TRUE;
4717 #ifdef GC_REDIRECT_TO_LOCAL
4718 return GC_local_gcj_fast_malloc;
4720 return GC_gcj_fast_malloc;
4725 return ves_icall_object_new_specific;
4729 * mono_object_new_from_token:
4730 * @image: Context where the type_token is hosted
4731 * @token: a token of the type that we want to create
4733 * Returns: A newly created object whose definition is
4734 * looked up using @token in the @image image
4737 mono_object_new_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
4739 MONO_REQ_GC_UNSAFE_MODE;
4744 klass = mono_class_get_checked (image, token, &error);
4745 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4747 return mono_object_new (domain, klass);
4752 * mono_object_clone:
4753 * @obj: the object to clone
4755 * Returns: A newly created object who is a shallow copy of @obj
4758 mono_object_clone (MonoObject *obj)
4761 MonoObject *o = mono_object_clone_checked (obj, &error);
4762 mono_error_raise_exception (&error);
4768 mono_object_clone_checked (MonoObject *obj, MonoError *error)
4770 MONO_REQ_GC_UNSAFE_MODE;
4775 mono_error_init (error);
4777 size = obj->vtable->klass->instance_size;
4779 if (obj->vtable->klass->rank)
4780 return (MonoObject*)mono_array_clone ((MonoArray*)obj);
4782 o = (MonoObject *)mono_gc_alloc_obj (obj->vtable, size);
4784 if (G_UNLIKELY (!o)) {
4785 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
4789 /* If the object doesn't contain references this will do a simple memmove. */
4790 mono_gc_wbarrier_object_copy (o, obj);
4792 if (obj->vtable->klass->has_finalize)
4793 mono_object_register_finalizer (o);
4798 * mono_array_full_copy:
4799 * @src: source array to copy
4800 * @dest: destination array
4802 * Copies the content of one array to another with exactly the same type and size.
4805 mono_array_full_copy (MonoArray *src, MonoArray *dest)
4807 MONO_REQ_GC_UNSAFE_MODE;
4810 MonoClass *klass = src->obj.vtable->klass;
4812 g_assert (klass == dest->obj.vtable->klass);
4814 size = mono_array_length (src);
4815 g_assert (size == mono_array_length (dest));
4816 size *= mono_array_element_size (klass);
4818 if (klass->element_class->valuetype) {
4819 if (klass->element_class->has_references)
4820 mono_value_copy_array (dest, 0, mono_array_addr_with_size_fast (src, 0, 0), mono_array_length (src));
4822 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4824 mono_array_memcpy_refs (dest, 0, src, 0, mono_array_length (src));
4827 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4832 * mono_array_clone_in_domain:
4833 * @domain: the domain in which the array will be cloned into
4834 * @array: the array to clone
4836 * This routine returns a copy of the array that is hosted on the
4837 * specified MonoDomain.
4840 mono_array_clone_in_domain (MonoDomain *domain, MonoArray *array)
4842 MONO_REQ_GC_UNSAFE_MODE;
4848 MonoClass *klass = array->obj.vtable->klass;
4850 if (array->bounds == NULL) {
4851 size = mono_array_length (array);
4852 o = mono_array_new_full_checked (domain, klass, &size, NULL, &error);
4853 mono_error_raise_exception (&error); /* FIXME don't raise here */
4855 size *= mono_array_element_size (klass);
4857 if (klass->element_class->valuetype) {
4858 if (klass->element_class->has_references)
4859 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4861 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4863 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4866 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4871 sizes = (uintptr_t *)alloca (klass->rank * sizeof(intptr_t) * 2);
4872 size = mono_array_element_size (klass);
4873 for (i = 0; i < klass->rank; ++i) {
4874 sizes [i] = array->bounds [i].length;
4875 size *= array->bounds [i].length;
4876 sizes [i + klass->rank] = array->bounds [i].lower_bound;
4878 o = mono_array_new_full_checked (domain, klass, sizes, (intptr_t*)sizes + klass->rank, &error);
4879 mono_error_raise_exception (&error); /* FIXME don't raise here */
4881 if (klass->element_class->valuetype) {
4882 if (klass->element_class->has_references)
4883 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4885 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4887 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4890 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4898 * @array: the array to clone
4900 * Returns: A newly created array who is a shallow copy of @array
4903 mono_array_clone (MonoArray *array)
4905 MONO_REQ_GC_UNSAFE_MODE;
4907 return mono_array_clone_in_domain (((MonoObject *)array)->vtable->domain, array);
4910 /* helper macros to check for overflow when calculating the size of arrays */
4911 #ifdef MONO_BIG_ARRAYS
4912 #define MYGUINT64_MAX 0x0000FFFFFFFFFFFFUL
4913 #define MYGUINT_MAX MYGUINT64_MAX
4914 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4915 (G_UNLIKELY ((guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a)))
4916 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4917 (G_UNLIKELY (((guint64)(a) > 0) && ((guint64)(b) > 0) && \
4918 ((guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a)))))
4920 #define MYGUINT32_MAX 4294967295U
4921 #define MYGUINT_MAX MYGUINT32_MAX
4922 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4923 (G_UNLIKELY ((guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a)))
4924 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4925 (G_UNLIKELY (((guint32)(a) > 0) && ((guint32)(b) > 0) && \
4926 ((guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a)))))
4930 mono_array_calc_byte_len (MonoClass *klass, uintptr_t len, uintptr_t *res)
4932 MONO_REQ_GC_NEUTRAL_MODE;
4936 byte_len = mono_array_element_size (klass);
4937 if (CHECK_MUL_OVERFLOW_UN (byte_len, len))
4940 if (CHECK_ADD_OVERFLOW_UN (byte_len, MONO_SIZEOF_MONO_ARRAY))
4942 byte_len += MONO_SIZEOF_MONO_ARRAY;
4950 * mono_array_new_full:
4951 * @domain: domain where the object is created
4952 * @array_class: array class
4953 * @lengths: lengths for each dimension in the array
4954 * @lower_bounds: lower bounds for each dimension in the array (may be NULL)
4956 * This routine creates a new array objects with the given dimensions,
4957 * lower bounds and type.
4960 mono_array_new_full (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds)
4963 MonoArray *array = mono_array_new_full_checked (domain, array_class, lengths, lower_bounds, &error);
4964 mono_error_raise_exception (&error);
4970 mono_array_new_full_checked (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds, MonoError *error)
4972 MONO_REQ_GC_UNSAFE_MODE;
4974 uintptr_t byte_len = 0, len, bounds_size;
4977 MonoArrayBounds *bounds;
4981 mono_error_init (error);
4983 if (!array_class->inited)
4984 mono_class_init (array_class);
4988 /* A single dimensional array with a 0 lower bound is the same as an szarray */
4989 if (array_class->rank == 1 && ((array_class->byval_arg.type == MONO_TYPE_SZARRAY) || (lower_bounds && lower_bounds [0] == 0))) {
4991 if (len > MONO_ARRAY_MAX_INDEX) {
4992 mono_error_set_generic_error (error, "System", "OverflowException", "");
4997 bounds_size = sizeof (MonoArrayBounds) * array_class->rank;
4999 for (i = 0; i < array_class->rank; ++i) {
5000 if (lengths [i] > MONO_ARRAY_MAX_INDEX) {
5001 mono_error_set_generic_error (error, "System", "OverflowException", "");
5004 if (CHECK_MUL_OVERFLOW_UN (len, lengths [i])) {
5005 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5012 if (!mono_array_calc_byte_len (array_class, len, &byte_len)) {
5013 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5019 if (CHECK_ADD_OVERFLOW_UN (byte_len, 3)) {
5020 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5023 byte_len = (byte_len + 3) & ~3;
5024 if (CHECK_ADD_OVERFLOW_UN (byte_len, bounds_size)) {
5025 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5028 byte_len += bounds_size;
5031 * Following three lines almost taken from mono_object_new ():
5032 * they need to be kept in sync.
5034 vtable = mono_class_vtable_full (domain, array_class, TRUE);
5036 o = (MonoObject *)mono_gc_alloc_array (vtable, byte_len, len, bounds_size);
5038 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, len);
5040 if (G_UNLIKELY (!o)) {
5041 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5045 array = (MonoArray*)o;
5047 bounds = array->bounds;
5050 for (i = 0; i < array_class->rank; ++i) {
5051 bounds [i].length = lengths [i];
5053 bounds [i].lower_bound = lower_bounds [i];
5062 * @domain: domain where the object is created
5063 * @eclass: element class
5064 * @n: number of array elements
5066 * This routine creates a new szarray with @n elements of type @eclass.
5069 mono_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
5071 MONO_REQ_GC_UNSAFE_MODE;
5077 ac = mono_array_class_get (eclass, 1);
5080 arr = mono_array_new_specific_checked (mono_class_vtable_full (domain, ac, TRUE), n, &error);
5081 mono_error_raise_exception (&error); /* FIXME don't raise here */
5087 * mono_array_new_specific:
5088 * @vtable: a vtable in the appropriate domain for an initialized class
5089 * @n: number of array elements
5091 * This routine is a fast alternative to mono_array_new() for code which
5092 * can be sure about the domain it operates in.
5095 mono_array_new_specific (MonoVTable *vtable, uintptr_t n)
5098 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5099 mono_error_raise_exception (&error); /* FIXME don't raise here */
5105 mono_array_new_specific_checked (MonoVTable *vtable, uintptr_t n, MonoError *error)
5107 MONO_REQ_GC_UNSAFE_MODE;
5112 mono_error_init (error);
5114 if (G_UNLIKELY (n > MONO_ARRAY_MAX_INDEX)) {
5115 mono_error_set_generic_error (error, "System", "OverflowException", "");
5119 if (!mono_array_calc_byte_len (vtable->klass, n, &byte_len)) {
5120 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5123 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, n);
5125 if (G_UNLIKELY (!o)) {
5126 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5130 return (MonoArray*)o;
5134 ves_icall_array_new_specific (MonoVTable *vtable, uintptr_t n)
5137 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5138 mono_error_raise_exception (&error);
5144 * mono_string_new_utf16:
5145 * @text: a pointer to an utf16 string
5146 * @len: the length of the string
5148 * Returns: A newly created string object which contains @text.
5151 mono_string_new_utf16 (MonoDomain *domain, const guint16 *text, gint32 len)
5153 MONO_REQ_GC_UNSAFE_MODE;
5158 s = mono_string_new_size_checked (domain, len, &error);
5159 mono_error_raise_exception (&error); /* FIXME don't raise here */
5161 memcpy (mono_string_chars (s), text, len * 2);
5167 * mono_string_new_utf32:
5168 * @text: a pointer to an utf32 string
5169 * @len: the length of the string
5171 * Returns: A newly created string object which contains @text.
5174 mono_string_new_utf32 (MonoDomain *domain, const mono_unichar4 *text, gint32 len)
5176 MONO_REQ_GC_UNSAFE_MODE;
5180 mono_unichar2 *utf16_output = NULL;
5181 gint32 utf16_len = 0;
5182 GError *gerror = NULL;
5183 glong items_written;
5185 utf16_output = g_ucs4_to_utf16 (text, len, NULL, &items_written, &gerror);
5188 g_error_free (gerror);
5190 while (utf16_output [utf16_len]) utf16_len++;
5192 s = mono_string_new_size_checked (domain, utf16_len, &error);
5193 mono_error_raise_exception (&error); /* FIXME don't raise here */
5195 memcpy (mono_string_chars (s), utf16_output, utf16_len * 2);
5197 g_free (utf16_output);
5203 * mono_string_new_size:
5204 * @text: a pointer to an utf16 string
5205 * @len: the length of the string
5207 * Returns: A newly created string object of @len
5210 mono_string_new_size (MonoDomain *domain, gint32 len)
5213 MonoString *str = mono_string_new_size_checked (domain, len, &error);
5214 mono_error_raise_exception (&error);
5220 mono_string_new_size_checked (MonoDomain *domain, gint32 len, MonoError *error)
5222 MONO_REQ_GC_UNSAFE_MODE;
5228 mono_error_init (error);
5230 /* check for overflow */
5231 if (len < 0 || len > ((SIZE_MAX - G_STRUCT_OFFSET (MonoString, chars) - 8) / 2)) {
5232 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", -1);
5236 size = (G_STRUCT_OFFSET (MonoString, chars) + (((size_t)len + 1) * 2));
5237 g_assert (size > 0);
5239 vtable = mono_class_vtable (domain, mono_defaults.string_class);
5242 s = (MonoString *)mono_gc_alloc_string (vtable, size, len);
5244 if (G_UNLIKELY (!s)) {
5245 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5253 * mono_string_new_len:
5254 * @text: a pointer to an utf8 string
5255 * @length: number of bytes in @text to consider
5257 * Returns: A newly created string object which contains @text.
5260 mono_string_new_len (MonoDomain *domain, const char *text, guint length)
5262 MONO_REQ_GC_UNSAFE_MODE;
5264 GError *error = NULL;
5265 MonoString *o = NULL;
5267 glong items_written;
5269 ut = eg_utf8_to_utf16_with_nuls (text, length, NULL, &items_written, &error);
5272 o = mono_string_new_utf16 (domain, ut, items_written);
5274 g_error_free (error);
5283 * @text: a pointer to an utf8 string
5285 * Returns: A newly created string object which contains @text.
5288 mono_string_new (MonoDomain *domain, const char *text)
5290 MONO_REQ_GC_UNSAFE_MODE;
5292 GError *error = NULL;
5293 MonoString *o = NULL;
5295 glong items_written;
5300 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
5303 o = mono_string_new_utf16 (domain, ut, items_written);
5305 g_error_free (error);
5308 /*FIXME g_utf8_get_char, g_utf8_next_char and g_utf8_validate are not part of eglib.*/
5314 MonoString *o = NULL;
5316 if (!g_utf8_validate (text, -1, &end))
5319 len = g_utf8_strlen (text, -1);
5320 o = mono_string_new_size_checked (domain, len, &error);
5321 mono_error_raise_exception (&error); /* FIXME don't raise here */
5322 str = mono_string_chars (o);
5324 while (text < end) {
5325 *str++ = g_utf8_get_char (text);
5326 text = g_utf8_next_char (text);
5333 * mono_string_new_wrapper:
5334 * @text: pointer to utf8 characters.
5336 * Helper function to create a string object from @text in the current domain.
5339 mono_string_new_wrapper (const char *text)
5341 MONO_REQ_GC_UNSAFE_MODE;
5343 MonoDomain *domain = mono_domain_get ();
5346 return mono_string_new (domain, text);
5353 * @class: the class of the value
5354 * @value: a pointer to the unboxed data
5356 * Returns: A newly created object which contains @value.
5359 mono_value_box (MonoDomain *domain, MonoClass *klass, gpointer value)
5361 MONO_REQ_GC_UNSAFE_MODE;
5368 g_assert (klass->valuetype);
5369 if (mono_class_is_nullable (klass))
5370 return mono_nullable_box ((guint8 *)value, klass);
5372 vtable = mono_class_vtable (domain, klass);
5375 size = mono_class_instance_size (klass);
5376 res = mono_object_new_alloc_specific_checked (vtable, &error);
5377 mono_error_raise_exception (&error); /* FIXME don't raise here */
5379 size = size - sizeof (MonoObject);
5382 g_assert (size == mono_class_value_size (klass, NULL));
5383 mono_gc_wbarrier_value_copy ((char *)res + sizeof (MonoObject), value, 1, klass);
5385 #if NO_UNALIGNED_ACCESS
5386 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5390 *((guint8 *) res + sizeof (MonoObject)) = *(guint8 *) value;
5393 *(guint16 *)((guint8 *) res + sizeof (MonoObject)) = *(guint16 *) value;
5396 *(guint32 *)((guint8 *) res + sizeof (MonoObject)) = *(guint32 *) value;
5399 *(guint64 *)((guint8 *) res + sizeof (MonoObject)) = *(guint64 *) value;
5402 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5406 if (klass->has_finalize)
5407 mono_object_register_finalizer (res);
5413 * @dest: destination pointer
5414 * @src: source pointer
5415 * @klass: a valuetype class
5417 * Copy a valuetype from @src to @dest. This function must be used
5418 * when @klass contains references fields.
5421 mono_value_copy (gpointer dest, gpointer src, MonoClass *klass)
5423 MONO_REQ_GC_UNSAFE_MODE;
5425 mono_gc_wbarrier_value_copy (dest, src, 1, klass);
5429 * mono_value_copy_array:
5430 * @dest: destination array
5431 * @dest_idx: index in the @dest array
5432 * @src: source pointer
5433 * @count: number of items
5435 * Copy @count valuetype items from @src to the array @dest at index @dest_idx.
5436 * This function must be used when @klass contains references fields.
5437 * Overlap is handled.
5440 mono_value_copy_array (MonoArray *dest, int dest_idx, gpointer src, int count)
5442 MONO_REQ_GC_UNSAFE_MODE;
5444 int size = mono_array_element_size (dest->obj.vtable->klass);
5445 char *d = mono_array_addr_with_size_fast (dest, size, dest_idx);
5446 g_assert (size == mono_class_value_size (mono_object_class (dest)->element_class, NULL));
5447 mono_gc_wbarrier_value_copy (d, src, count, mono_object_class (dest)->element_class);
5451 * mono_object_get_domain:
5452 * @obj: object to query
5454 * Returns: the MonoDomain where the object is hosted
5457 mono_object_get_domain (MonoObject *obj)
5459 MONO_REQ_GC_UNSAFE_MODE;
5461 return mono_object_domain (obj);
5465 * mono_object_get_class:
5466 * @obj: object to query
5468 * Returns: the MonOClass of the object.
5471 mono_object_get_class (MonoObject *obj)
5473 MONO_REQ_GC_UNSAFE_MODE;
5475 return mono_object_class (obj);
5478 * mono_object_get_size:
5479 * @o: object to query
5481 * Returns: the size, in bytes, of @o
5484 mono_object_get_size (MonoObject* o)
5486 MONO_REQ_GC_UNSAFE_MODE;
5488 MonoClass* klass = mono_object_class (o);
5489 if (klass == mono_defaults.string_class) {
5490 return sizeof (MonoString) + 2 * mono_string_length ((MonoString*) o) + 2;
5491 } else if (o->vtable->rank) {
5492 MonoArray *array = (MonoArray*)o;
5493 size_t size = MONO_SIZEOF_MONO_ARRAY + mono_array_element_size (klass) * mono_array_length (array);
5494 if (array->bounds) {
5497 size += sizeof (MonoArrayBounds) * o->vtable->rank;
5501 return mono_class_instance_size (klass);
5506 * mono_object_unbox:
5507 * @obj: object to unbox
5509 * Returns: a pointer to the start of the valuetype boxed in this
5512 * This method will assert if the object passed is not a valuetype.
5515 mono_object_unbox (MonoObject *obj)
5517 MONO_REQ_GC_UNSAFE_MODE;
5519 /* add assert for valuetypes? */
5520 g_assert (obj->vtable->klass->valuetype);
5521 return ((char*)obj) + sizeof (MonoObject);
5525 * mono_object_isinst:
5527 * @klass: a pointer to a class
5529 * Returns: @obj if @obj is derived from @klass
5532 mono_object_isinst (MonoObject *obj, MonoClass *klass)
5534 MONO_REQ_GC_UNSAFE_MODE;
5537 mono_class_init (klass);
5539 if (mono_class_is_marshalbyref (klass) || (klass->flags & TYPE_ATTRIBUTE_INTERFACE))
5540 return mono_object_isinst_mbyref (obj, klass);
5545 return mono_class_is_assignable_from (klass, obj->vtable->klass) ? obj : NULL;
5549 mono_object_isinst_mbyref (MonoObject *obj, MonoClass *klass)
5551 MONO_REQ_GC_UNSAFE_MODE;
5561 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
5562 if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id)) {
5566 /*If the above check fails we are in the slow path of possibly raising an exception. So it's ok to it this way.*/
5567 if (mono_class_has_variant_generic_params (klass) && mono_class_is_assignable_from (klass, obj->vtable->klass))
5570 MonoClass *oklass = vt->klass;
5571 if (mono_class_is_transparent_proxy (oklass))
5572 oklass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5574 mono_class_setup_supertypes (klass);
5575 if ((oklass->idepth >= klass->idepth) && (oklass->supertypes [klass->idepth - 1] == klass))
5578 #ifndef DISABLE_REMOTING
5579 if (vt->klass == mono_defaults.transparent_proxy_class && ((MonoTransparentProxy *)obj)->custom_type_info)
5581 MonoDomain *domain = mono_domain_get ();
5583 MonoObject *rp = (MonoObject *)((MonoTransparentProxy *)obj)->rp;
5584 MonoClass *rpklass = mono_defaults.iremotingtypeinfo_class;
5585 MonoMethod *im = NULL;
5588 im = mono_class_get_method_from_name (rpklass, "CanCastTo", -1);
5590 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
5591 im = mono_object_get_virtual_method (rp, im);
5594 pa [0] = mono_type_get_object_checked (domain, &klass->byval_arg, &error);
5595 mono_error_raise_exception (&error); /* FIXME don't raise here */
5598 res = mono_runtime_invoke (im, rp, pa, NULL);
5600 if (*(MonoBoolean *) mono_object_unbox(res)) {
5601 /* Update the vtable of the remote type, so it can safely cast to this new type */
5602 mono_upgrade_remote_class (domain, obj, klass);
5606 #endif /* DISABLE_REMOTING */
5611 * mono_object_castclass_mbyref:
5613 * @klass: a pointer to a class
5615 * Returns: @obj if @obj is derived from @klass, throws an exception otherwise
5618 mono_object_castclass_mbyref (MonoObject *obj, MonoClass *klass)
5620 MONO_REQ_GC_UNSAFE_MODE;
5622 if (!obj) return NULL;
5623 if (mono_object_isinst_mbyref (obj, klass)) return obj;
5625 mono_raise_exception (mono_exception_from_name (mono_defaults.corlib,
5627 "InvalidCastException"));
5632 MonoDomain *orig_domain;
5638 str_lookup (MonoDomain *domain, gpointer user_data)
5640 MONO_REQ_GC_UNSAFE_MODE;
5642 LDStrInfo *info = (LDStrInfo *)user_data;
5643 if (info->res || domain == info->orig_domain)
5645 info->res = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, info->ins);
5649 mono_string_get_pinned (MonoString *str, MonoError *error)
5651 MONO_REQ_GC_UNSAFE_MODE;
5653 mono_error_init (error);
5655 /* We only need to make a pinned version of a string if this is a moving GC */
5656 if (!mono_gc_is_moving ())
5660 size = sizeof (MonoString) + 2 * (mono_string_length (str) + 1);
5661 news = (MonoString *)mono_gc_alloc_pinned_obj (((MonoObject*)str)->vtable, size);
5663 memcpy (mono_string_chars (news), mono_string_chars (str), mono_string_length (str) * 2);
5664 news->length = mono_string_length (str);
5666 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5672 mono_string_is_interned_lookup (MonoString *str, int insert)
5674 MONO_REQ_GC_UNSAFE_MODE;
5677 MonoGHashTable *ldstr_table;
5678 MonoString *s, *res;
5681 domain = ((MonoObject *)str)->vtable->domain;
5682 ldstr_table = domain->ldstr_table;
5684 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
5690 /* Allocate outside the lock */
5692 s = mono_string_get_pinned (str, &error);
5693 mono_error_raise_exception (&error); /* FIXME don't raise here */
5696 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
5701 mono_g_hash_table_insert (ldstr_table, s, s);
5706 LDStrInfo ldstr_info;
5707 ldstr_info.orig_domain = domain;
5708 ldstr_info.ins = str;
5709 ldstr_info.res = NULL;
5711 mono_domain_foreach (str_lookup, &ldstr_info);
5712 if (ldstr_info.res) {
5714 * the string was already interned in some other domain:
5715 * intern it in the current one as well.
5717 mono_g_hash_table_insert (ldstr_table, str, str);
5727 * mono_string_is_interned:
5728 * @o: String to probe
5730 * Returns whether the string has been interned.
5733 mono_string_is_interned (MonoString *o)
5735 MONO_REQ_GC_UNSAFE_MODE;
5737 return mono_string_is_interned_lookup (o, FALSE);
5741 * mono_string_intern:
5742 * @o: String to intern
5744 * Interns the string passed.
5745 * Returns: The interned string.
5748 mono_string_intern (MonoString *str)
5750 MONO_REQ_GC_UNSAFE_MODE;
5752 return mono_string_is_interned_lookup (str, TRUE);
5757 * @domain: the domain where the string will be used.
5758 * @image: a metadata context
5759 * @idx: index into the user string table.
5761 * Implementation for the ldstr opcode.
5762 * Returns: a loaded string from the @image/@idx combination.
5765 mono_ldstr (MonoDomain *domain, MonoImage *image, guint32 idx)
5767 MONO_REQ_GC_UNSAFE_MODE;
5769 if (image->dynamic) {
5770 MonoString *str = (MonoString *)mono_lookup_dynamic_token (image, MONO_TOKEN_STRING | idx, NULL);
5773 if (!mono_verifier_verify_string_signature (image, idx, NULL))
5774 return NULL; /*FIXME we should probably be raising an exception here*/
5775 return mono_ldstr_metadata_sig (domain, mono_metadata_user_string (image, idx));
5780 * mono_ldstr_metadata_sig
5781 * @domain: the domain for the string
5782 * @sig: the signature of a metadata string
5784 * Returns: a MonoString for a string stored in the metadata
5787 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig)
5789 MONO_REQ_GC_UNSAFE_MODE;
5792 const char *str = sig;
5793 MonoString *o, *interned;
5796 len2 = mono_metadata_decode_blob_size (str, &str);
5799 o = mono_string_new_utf16 (domain, (guint16*)str, len2);
5800 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
5803 guint16 *p2 = (guint16*)mono_string_chars (o);
5804 for (i = 0; i < len2; ++i) {
5805 *p2 = GUINT16_FROM_LE (*p2);
5811 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
5814 return interned; /* o will get garbage collected */
5816 o = mono_string_get_pinned (o, &error);
5817 mono_error_raise_exception (&error); /* FIXME don't raise here */
5820 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
5822 mono_g_hash_table_insert (domain->ldstr_table, o, o);
5832 * mono_string_to_utf8:
5833 * @s: a System.String
5835 * Returns the UTF8 representation for @s.
5836 * The resulting buffer needs to be freed with mono_free().
5838 * @deprecated Use mono_string_to_utf8_checked to avoid having an exception arbritraly raised.
5841 mono_string_to_utf8 (MonoString *s)
5843 MONO_REQ_GC_UNSAFE_MODE;
5846 char *result = mono_string_to_utf8_checked (s, &error);
5848 if (!mono_error_ok (&error))
5849 mono_error_raise_exception (&error);
5854 * mono_string_to_utf8_checked:
5855 * @s: a System.String
5856 * @error: a MonoError.
5858 * Converts a MonoString to its UTF8 representation. May fail; check
5859 * @error to determine whether the conversion was successful.
5860 * The resulting buffer should be freed with mono_free().
5863 mono_string_to_utf8_checked (MonoString *s, MonoError *error)
5865 MONO_REQ_GC_UNSAFE_MODE;
5869 GError *gerror = NULL;
5871 mono_error_init (error);
5877 return g_strdup ("");
5879 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, &gerror);
5881 mono_error_set_argument (error, "string", "%s", gerror->message);
5882 g_error_free (gerror);
5885 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5886 if (s->length > written) {
5887 /* allocate the total length and copy the part of the string that has been converted */
5888 char *as2 = (char *)g_malloc0 (s->length);
5889 memcpy (as2, as, written);
5898 * mono_string_to_utf8_ignore:
5901 * Converts a MonoString to its UTF8 representation. Will ignore
5902 * invalid surrogate pairs.
5903 * The resulting buffer should be freed with mono_free().
5907 mono_string_to_utf8_ignore (MonoString *s)
5909 MONO_REQ_GC_UNSAFE_MODE;
5918 return g_strdup ("");
5920 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, NULL);
5922 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5923 if (s->length > written) {
5924 /* allocate the total length and copy the part of the string that has been converted */
5925 char *as2 = (char *)g_malloc0 (s->length);
5926 memcpy (as2, as, written);
5935 * mono_string_to_utf8_image_ignore:
5936 * @s: a System.String
5938 * Same as mono_string_to_utf8_ignore, but allocate the string from the image mempool.
5941 mono_string_to_utf8_image_ignore (MonoImage *image, MonoString *s)
5943 MONO_REQ_GC_UNSAFE_MODE;
5945 return mono_string_to_utf8_internal (NULL, image, s, TRUE, NULL);
5949 * mono_string_to_utf8_mp_ignore:
5950 * @s: a System.String
5952 * Same as mono_string_to_utf8_ignore, but allocate the string from a mempool.
5955 mono_string_to_utf8_mp_ignore (MonoMemPool *mp, MonoString *s)
5957 MONO_REQ_GC_UNSAFE_MODE;
5959 return mono_string_to_utf8_internal (mp, NULL, s, TRUE, NULL);
5964 * mono_string_to_utf16:
5967 * Return an null-terminated array of the utf-16 chars
5968 * contained in @s. The result must be freed with g_free().
5969 * This is a temporary helper until our string implementation
5970 * is reworked to always include the null terminating char.
5973 mono_string_to_utf16 (MonoString *s)
5975 MONO_REQ_GC_UNSAFE_MODE;
5982 as = (char *)g_malloc ((s->length * 2) + 2);
5983 as [(s->length * 2)] = '\0';
5984 as [(s->length * 2) + 1] = '\0';
5987 return (gunichar2 *)(as);
5990 memcpy (as, mono_string_chars(s), s->length * 2);
5991 return (gunichar2 *)(as);
5995 * mono_string_to_utf32:
5998 * Return an null-terminated array of the UTF-32 (UCS-4) chars
5999 * contained in @s. The result must be freed with g_free().
6002 mono_string_to_utf32 (MonoString *s)
6004 MONO_REQ_GC_UNSAFE_MODE;
6006 mono_unichar4 *utf32_output = NULL;
6007 GError *error = NULL;
6008 glong items_written;
6013 utf32_output = g_utf16_to_ucs4 (s->chars, s->length, NULL, &items_written, &error);
6016 g_error_free (error);
6018 return utf32_output;
6022 * mono_string_from_utf16:
6023 * @data: the UTF16 string (LPWSTR) to convert
6025 * Converts a NULL terminated UTF16 string (LPWSTR) to a MonoString.
6027 * Returns: a MonoString.
6030 mono_string_from_utf16 (gunichar2 *data)
6032 MONO_REQ_GC_UNSAFE_MODE;
6034 MonoDomain *domain = mono_domain_get ();
6040 while (data [len]) len++;
6042 return mono_string_new_utf16 (domain, data, len);
6046 * mono_string_from_utf32:
6047 * @data: the UTF32 string (LPWSTR) to convert
6049 * Converts a UTF32 (UCS-4)to a MonoString.
6051 * Returns: a MonoString.
6054 mono_string_from_utf32 (mono_unichar4 *data)
6056 MONO_REQ_GC_UNSAFE_MODE;
6058 MonoString* result = NULL;
6059 mono_unichar2 *utf16_output = NULL;
6060 GError *error = NULL;
6061 glong items_written;
6067 while (data [len]) len++;
6069 utf16_output = g_ucs4_to_utf16 (data, len, NULL, &items_written, &error);
6072 g_error_free (error);
6074 result = mono_string_from_utf16 (utf16_output);
6075 g_free (utf16_output);
6080 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error)
6082 MONO_REQ_GC_UNSAFE_MODE;
6089 r = mono_string_to_utf8_ignore (s);
6091 r = mono_string_to_utf8_checked (s, error);
6092 if (!mono_error_ok (error))
6099 len = strlen (r) + 1;
6101 mp_s = (char *)mono_mempool_alloc (mp, len);
6103 mp_s = (char *)mono_image_alloc (image, len);
6105 memcpy (mp_s, r, len);
6113 * mono_string_to_utf8_image:
6114 * @s: a System.String
6116 * Same as mono_string_to_utf8, but allocate the string from the image mempool.
6119 mono_string_to_utf8_image (MonoImage *image, MonoString *s, MonoError *error)
6121 MONO_REQ_GC_UNSAFE_MODE;
6123 return mono_string_to_utf8_internal (NULL, image, s, FALSE, error);
6127 * mono_string_to_utf8_mp:
6128 * @s: a System.String
6130 * Same as mono_string_to_utf8, but allocate the string from a mempool.
6133 mono_string_to_utf8_mp (MonoMemPool *mp, MonoString *s, MonoError *error)
6135 MONO_REQ_GC_UNSAFE_MODE;
6137 return mono_string_to_utf8_internal (mp, NULL, s, FALSE, error);
6141 static MonoRuntimeExceptionHandlingCallbacks eh_callbacks;
6144 mono_install_eh_callbacks (MonoRuntimeExceptionHandlingCallbacks *cbs)
6146 eh_callbacks = *cbs;
6149 MonoRuntimeExceptionHandlingCallbacks *
6150 mono_get_eh_callbacks (void)
6152 return &eh_callbacks;
6156 * mono_raise_exception:
6157 * @ex: exception object
6159 * Signal the runtime that the exception @ex has been raised in unmanaged code.
6162 mono_raise_exception (MonoException *ex)
6164 MONO_REQ_GC_UNSAFE_MODE;
6167 * NOTE: Do NOT annotate this function with G_GNUC_NORETURN, since
6168 * that will cause gcc to omit the function epilog, causing problems when
6169 * the JIT tries to walk the stack, since the return address on the stack
6170 * will point into the next function in the executable, not this one.
6172 eh_callbacks.mono_raise_exception (ex);
6176 mono_raise_exception_with_context (MonoException *ex, MonoContext *ctx)
6178 MONO_REQ_GC_UNSAFE_MODE;
6180 eh_callbacks.mono_raise_exception_with_ctx (ex, ctx);
6184 * mono_wait_handle_new:
6185 * @domain: Domain where the object will be created
6186 * @handle: Handle for the wait handle
6188 * Returns: A new MonoWaitHandle created in the given domain for the given handle
6191 mono_wait_handle_new (MonoDomain *domain, HANDLE handle)
6193 MONO_REQ_GC_UNSAFE_MODE;
6195 MonoWaitHandle *res;
6196 gpointer params [1];
6197 static MonoMethod *handle_set;
6199 res = (MonoWaitHandle *)mono_object_new (domain, mono_defaults.manualresetevent_class);
6201 /* Even though this method is virtual, it's safe to invoke directly, since the object type matches. */
6203 handle_set = mono_class_get_property_from_name (mono_defaults.manualresetevent_class, "Handle")->set;
6205 params [0] = &handle;
6206 mono_runtime_invoke (handle_set, res, params, NULL);
6212 mono_wait_handle_get_handle (MonoWaitHandle *handle)
6214 MONO_REQ_GC_UNSAFE_MODE;
6216 static MonoClassField *f_os_handle;
6217 static MonoClassField *f_safe_handle;
6219 if (!f_os_handle && !f_safe_handle) {
6220 f_os_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "os_handle");
6221 f_safe_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "safe_wait_handle");
6226 mono_field_get_value ((MonoObject*)handle, f_os_handle, &retval);
6230 mono_field_get_value ((MonoObject*)handle, f_safe_handle, &sh);
6237 mono_runtime_capture_context (MonoDomain *domain)
6239 MONO_REQ_GC_UNSAFE_MODE;
6241 RuntimeInvokeFunction runtime_invoke;
6243 if (!domain->capture_context_runtime_invoke || !domain->capture_context_method) {
6244 MonoMethod *method = mono_get_context_capture_method ();
6245 MonoMethod *wrapper;
6248 wrapper = mono_marshal_get_runtime_invoke (method, FALSE);
6249 domain->capture_context_runtime_invoke = mono_compile_method (wrapper);
6250 domain->capture_context_method = mono_compile_method (method);
6253 runtime_invoke = (RuntimeInvokeFunction)domain->capture_context_runtime_invoke;
6255 return runtime_invoke (NULL, NULL, NULL, domain->capture_context_method);
6258 * mono_async_result_new:
6259 * @domain:domain where the object will be created.
6260 * @handle: wait handle.
6261 * @state: state to pass to AsyncResult
6262 * @data: C closure data.
6264 * Creates a new MonoAsyncResult (AsyncResult C# class) in the given domain.
6265 * If the handle is not null, the handle is initialized to a MonOWaitHandle.
6269 mono_async_result_new (MonoDomain *domain, HANDLE handle, MonoObject *state, gpointer data, MonoObject *object_data)
6271 MONO_REQ_GC_UNSAFE_MODE;
6273 MonoAsyncResult *res = (MonoAsyncResult *)mono_object_new (domain, mono_defaults.asyncresult_class);
6274 MonoObject *context = mono_runtime_capture_context (domain);
6275 /* we must capture the execution context from the original thread */
6277 MONO_OBJECT_SETREF (res, execution_context, context);
6278 /* note: result may be null if the flow is suppressed */
6281 res->data = (void **)data;
6282 MONO_OBJECT_SETREF (res, object_data, object_data);
6283 MONO_OBJECT_SETREF (res, async_state, state);
6285 MONO_OBJECT_SETREF (res, handle, (MonoObject *) mono_wait_handle_new (domain, handle));
6287 res->sync_completed = FALSE;
6288 res->completed = FALSE;
6294 ves_icall_System_Runtime_Remoting_Messaging_AsyncResult_Invoke (MonoAsyncResult *ares)
6296 MONO_REQ_GC_UNSAFE_MODE;
6302 g_assert (ares->async_delegate);
6304 ac = (MonoAsyncCall*) ares->object_data;
6306 res = mono_runtime_delegate_invoke (ares->async_delegate, (void**) &ares->async_state, NULL);
6308 gpointer wait_event = NULL;
6310 ac->msg->exc = NULL;
6311 res = mono_message_invoke (ares->async_delegate, ac->msg, &ac->msg->exc, &ac->out_args);
6312 MONO_OBJECT_SETREF (ac, res, res);
6314 mono_monitor_enter ((MonoObject*) ares);
6315 ares->completed = 1;
6317 wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
6318 mono_monitor_exit ((MonoObject*) ares);
6320 if (wait_event != NULL)
6321 SetEvent (wait_event);
6323 if (ac->cb_method) {
6324 /* we swallow the excepton as it is the behavior on .NET */
6325 MonoObject *exc = NULL;
6326 mono_runtime_invoke (ac->cb_method, ac->cb_target, (gpointer*) &ares, &exc);
6328 mono_unhandled_exception (exc);
6336 mono_message_init (MonoDomain *domain,
6337 MonoMethodMessage *this_obj,
6338 MonoReflectionMethod *method,
6339 MonoArray *out_args)
6341 MONO_REQ_GC_UNSAFE_MODE;
6343 static MonoClass *object_array_klass;
6344 static MonoClass *byte_array_klass;
6345 static MonoClass *string_array_klass;
6347 MonoMethodSignature *sig = mono_method_signature (method->method);
6354 if (!object_array_klass) {
6357 klass = mono_array_class_get (mono_defaults.byte_class, 1);
6359 byte_array_klass = klass;
6361 klass = mono_array_class_get (mono_defaults.string_class, 1);
6363 string_array_klass = klass;
6365 klass = mono_array_class_get (mono_defaults.object_class, 1);
6368 mono_atomic_store_release (&object_array_klass, klass);
6371 MONO_OBJECT_SETREF (this_obj, method, method);
6373 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), sig->param_count, &error);
6374 mono_error_raise_exception (&error); /* FIXME don't raise here */
6376 MONO_OBJECT_SETREF (this_obj, args, arr);
6378 arr = mono_array_new_specific_checked (mono_class_vtable (domain, byte_array_klass), sig->param_count, &error);
6379 mono_error_raise_exception (&error); /* FIXME don't raise here */
6381 MONO_OBJECT_SETREF (this_obj, arg_types, arr);
6383 this_obj->async_result = NULL;
6384 this_obj->call_type = CallType_Sync;
6386 names = g_new (char *, sig->param_count);
6387 mono_method_get_param_names (method->method, (const char **) names);
6389 arr = mono_array_new_specific_checked (mono_class_vtable (domain, string_array_klass), sig->param_count, &error);
6390 mono_error_raise_exception (&error); /* FIXME don't raise here */
6392 MONO_OBJECT_SETREF (this_obj, names, arr);
6394 for (i = 0; i < sig->param_count; i++) {
6395 name = mono_string_new (domain, names [i]);
6396 mono_array_setref (this_obj->names, i, name);
6400 for (i = 0, j = 0; i < sig->param_count; i++) {
6401 if (sig->params [i]->byref) {
6403 MonoObject* arg = (MonoObject *)mono_array_get (out_args, gpointer, j);
6404 mono_array_setref (this_obj->args, i, arg);
6408 if (!(sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT))
6412 if (sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT)
6415 mono_array_set (this_obj->arg_types, guint8, i, arg_type);
6419 #ifndef DISABLE_REMOTING
6421 * mono_remoting_invoke:
6422 * @real_proxy: pointer to a RealProxy object
6423 * @msg: The MonoMethodMessage to execute
6424 * @exc: used to store exceptions
6425 * @out_args: used to store output arguments
6427 * This is used to call RealProxy::Invoke(). RealProxy::Invoke() returns an
6428 * IMessage interface and it is not trivial to extract results from there. So
6429 * we call an helper method PrivateInvoke instead of calling
6430 * RealProxy::Invoke() directly.
6432 * Returns: the result object.
6435 mono_remoting_invoke (MonoObject *real_proxy, MonoMethodMessage *msg,
6436 MonoObject **exc, MonoArray **out_args)
6438 MONO_REQ_GC_UNSAFE_MODE;
6440 MonoMethod *im = real_proxy->vtable->domain->private_invoke_method;
6443 /*static MonoObject *(*invoke) (gpointer, gpointer, MonoObject **, MonoArray **) = NULL;*/
6446 im = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "PrivateInvoke", 4);
6448 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6449 real_proxy->vtable->domain->private_invoke_method = im;
6452 pa [0] = real_proxy;
6457 return mono_runtime_invoke (im, NULL, pa, exc);
6462 mono_message_invoke (MonoObject *target, MonoMethodMessage *msg,
6463 MonoObject **exc, MonoArray **out_args)
6465 MONO_REQ_GC_UNSAFE_MODE;
6467 static MonoClass *object_array_klass;
6471 MonoMethodSignature *sig;
6474 int i, j, outarg_count = 0;
6476 #ifndef DISABLE_REMOTING
6477 if (target && mono_object_is_transparent_proxy (target)) {
6478 MonoTransparentProxy* tp = (MonoTransparentProxy *)target;
6479 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6480 target = tp->rp->unwrapped_server;
6482 return mono_remoting_invoke ((MonoObject *)tp->rp, msg, exc, out_args);
6487 domain = mono_domain_get ();
6488 method = msg->method->method;
6489 sig = mono_method_signature (method);
6491 for (i = 0; i < sig->param_count; i++) {
6492 if (sig->params [i]->byref)
6496 if (!object_array_klass) {
6499 klass = mono_array_class_get (mono_defaults.object_class, 1);
6502 mono_memory_barrier ();
6503 object_array_klass = klass;
6506 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), outarg_count, &error);
6507 mono_error_raise_exception (&error); /* FIXME don't raise here */
6509 mono_gc_wbarrier_generic_store (out_args, (MonoObject*) arr);
6512 ret = mono_runtime_invoke_array (method, method->klass->valuetype? mono_object_unbox (target): target, msg->args, exc);
6514 for (i = 0, j = 0; i < sig->param_count; i++) {
6515 if (sig->params [i]->byref) {
6517 arg = (MonoObject *)mono_array_get (msg->args, gpointer, i);
6518 mono_array_setref (*out_args, j, arg);
6527 * mono_object_to_string:
6529 * @exc: Any exception thrown by ToString (). May be NULL.
6531 * Returns: the result of calling ToString () on an object.
6534 mono_object_to_string (MonoObject *obj, MonoObject **exc)
6536 MONO_REQ_GC_UNSAFE_MODE;
6538 static MonoMethod *to_string = NULL;
6545 to_string = mono_class_get_method_from_name_flags (mono_get_object_class (), "ToString", 0, METHOD_ATTRIBUTE_VIRTUAL | METHOD_ATTRIBUTE_PUBLIC);
6547 method = mono_object_get_virtual_method (obj, to_string);
6549 // Unbox value type if needed
6550 if (mono_class_is_valuetype (mono_method_get_class (method))) {
6551 target = mono_object_unbox (obj);
6554 return (MonoString *) mono_runtime_invoke (method, target, NULL, exc);
6558 * mono_print_unhandled_exception:
6559 * @exc: The exception
6561 * Prints the unhandled exception.
6564 mono_print_unhandled_exception (MonoObject *exc)
6566 MONO_REQ_GC_UNSAFE_MODE;
6569 char *message = (char*)"";
6570 gboolean free_message = FALSE;
6573 if (exc == (MonoObject*)mono_object_domain (exc)->out_of_memory_ex) {
6574 message = g_strdup ("OutOfMemoryException");
6575 free_message = TRUE;
6576 } else if (exc == (MonoObject*)mono_object_domain (exc)->stack_overflow_ex) {
6577 message = g_strdup ("StackOverflowException"); //if we OVF, we can't expect to have stack space to JIT Exception::ToString.
6578 free_message = TRUE;
6581 if (((MonoException*)exc)->native_trace_ips) {
6582 message = mono_exception_get_native_backtrace ((MonoException*)exc);
6583 free_message = TRUE;
6585 MonoObject *other_exc = NULL;
6586 str = mono_object_to_string (exc, &other_exc);
6588 char *original_backtrace = mono_exception_get_managed_backtrace ((MonoException*)exc);
6589 char *nested_backtrace = mono_exception_get_managed_backtrace ((MonoException*)other_exc);
6591 message = g_strdup_printf ("Nested exception detected.\nOriginal Exception: %s\nNested exception:%s\n",
6592 original_backtrace, nested_backtrace);
6594 g_free (original_backtrace);
6595 g_free (nested_backtrace);
6596 free_message = TRUE;
6598 message = mono_string_to_utf8_checked (str, &error);
6599 if (!mono_error_ok (&error)) {
6600 mono_error_cleanup (&error);
6601 message = (char *) "";
6603 free_message = TRUE;
6610 * g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
6611 * exc->vtable->klass->name, message);
6613 g_printerr ("\nUnhandled Exception:\n%s\n", message);
6620 * mono_delegate_ctor:
6621 * @this: pointer to an uninitialized delegate object
6622 * @target: target object
6623 * @addr: pointer to native code
6626 * Initialize a delegate and sets a specific method, not the one
6627 * associated with addr. This is useful when sharing generic code.
6628 * In that case addr will most probably not be associated with the
6629 * correct instantiation of the method.
6632 mono_delegate_ctor_with_method (MonoObject *this_obj, MonoObject *target, gpointer addr, MonoMethod *method)
6634 MONO_REQ_GC_UNSAFE_MODE;
6636 MonoDelegate *delegate = (MonoDelegate *)this_obj;
6638 g_assert (this_obj);
6641 g_assert (mono_class_has_parent (mono_object_class (this_obj), mono_defaults.multicastdelegate_class));
6644 delegate->method = method;
6646 mono_stats.delegate_creations++;
6648 #ifndef DISABLE_REMOTING
6649 if (target && target->vtable->klass == mono_defaults.transparent_proxy_class) {
6651 method = mono_marshal_get_remoting_invoke (method);
6652 delegate->method_ptr = mono_compile_method (method);
6653 MONO_OBJECT_SETREF (delegate, target, target);
6657 delegate->method_ptr = addr;
6658 MONO_OBJECT_SETREF (delegate, target, target);
6661 delegate->invoke_impl = arch_create_delegate_trampoline (delegate->object.vtable->domain, delegate->object.vtable->klass);
6662 if (callbacks.init_delegate)
6663 callbacks.init_delegate (delegate);
6667 * mono_delegate_ctor:
6668 * @this: pointer to an uninitialized delegate object
6669 * @target: target object
6670 * @addr: pointer to native code
6672 * This is used to initialize a delegate.
6675 mono_delegate_ctor (MonoObject *this_obj, MonoObject *target, gpointer addr)
6677 MONO_REQ_GC_UNSAFE_MODE;
6679 MonoDomain *domain = mono_domain_get ();
6681 MonoMethod *method = NULL;
6685 ji = mono_jit_info_table_find (domain, (char *)mono_get_addr_from_ftnptr (addr));
6687 if (!ji && domain != mono_get_root_domain ())
6688 ji = mono_jit_info_table_find (mono_get_root_domain (), (char *)mono_get_addr_from_ftnptr (addr));
6690 method = mono_jit_info_get_method (ji);
6691 g_assert (!method->klass->generic_container);
6694 mono_delegate_ctor_with_method (this_obj, target, addr, method);
6698 * mono_method_call_message_new:
6699 * @method: method to encapsulate
6700 * @params: parameters to the method
6701 * @invoke: optional, delegate invoke.
6702 * @cb: async callback delegate.
6703 * @state: state passed to the async callback.
6705 * Translates arguments pointers into a MonoMethodMessage.
6708 mono_method_call_message_new (MonoMethod *method, gpointer *params, MonoMethod *invoke,
6709 MonoDelegate **cb, MonoObject **state)
6711 MONO_REQ_GC_UNSAFE_MODE;
6713 MonoDomain *domain = mono_domain_get ();
6714 MonoMethodSignature *sig = mono_method_signature (method);
6715 MonoMethodMessage *msg;
6718 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6721 mono_message_init (domain, msg, mono_method_get_object (domain, invoke, NULL), NULL);
6722 count = sig->param_count - 2;
6724 mono_message_init (domain, msg, mono_method_get_object (domain, method, NULL), NULL);
6725 count = sig->param_count;
6728 for (i = 0; i < count; i++) {
6733 if (sig->params [i]->byref)
6734 vpos = *((gpointer *)params [i]);
6738 klass = mono_class_from_mono_type (sig->params [i]);
6740 if (klass->valuetype)
6741 arg = mono_value_box (domain, klass, vpos);
6743 arg = *((MonoObject **)vpos);
6745 mono_array_setref (msg->args, i, arg);
6748 if (cb != NULL && state != NULL) {
6749 *cb = *((MonoDelegate **)params [i]);
6751 *state = *((MonoObject **)params [i]);
6758 * mono_method_return_message_restore:
6760 * Restore results from message based processing back to arguments pointers
6763 mono_method_return_message_restore (MonoMethod *method, gpointer *params, MonoArray *out_args)
6765 MONO_REQ_GC_UNSAFE_MODE;
6767 MonoMethodSignature *sig = mono_method_signature (method);
6768 int i, j, type, size, out_len;
6770 if (out_args == NULL)
6772 out_len = mono_array_length (out_args);
6776 for (i = 0, j = 0; i < sig->param_count; i++) {
6777 MonoType *pt = sig->params [i];
6782 mono_raise_exception (mono_get_exception_execution_engine ("The proxy call returned an incorrect number of output arguments"));
6784 arg = (char *)mono_array_get (out_args, gpointer, j);
6787 g_assert (type != MONO_TYPE_VOID);
6789 if (MONO_TYPE_IS_REFERENCE (pt)) {
6790 mono_gc_wbarrier_generic_store (*((MonoObject ***)params [i]), (MonoObject *)arg);
6793 MonoClass *klass = ((MonoObject*)arg)->vtable->klass;
6794 size = mono_class_value_size (klass, NULL);
6795 if (klass->has_references)
6796 mono_gc_wbarrier_value_copy (*((gpointer *)params [i]), arg + sizeof (MonoObject), 1, klass);
6798 mono_gc_memmove_atomic (*((gpointer *)params [i]), arg + sizeof (MonoObject), size);
6800 size = mono_class_value_size (mono_class_from_mono_type (pt), NULL);
6801 mono_gc_bzero_atomic (*((gpointer *)params [i]), size);
6810 #ifndef DISABLE_REMOTING
6813 * mono_load_remote_field:
6814 * @this: pointer to an object
6815 * @klass: klass of the object containing @field
6816 * @field: the field to load
6817 * @res: a storage to store the result
6819 * This method is called by the runtime on attempts to load fields of
6820 * transparent proxy objects. @this points to such TP, @klass is the class of
6821 * the object containing @field. @res is a storage location which can be
6822 * used to store the result.
6824 * Returns: an address pointing to the value of field.
6827 mono_load_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res)
6829 MONO_REQ_GC_UNSAFE_MODE;
6831 static MonoMethod *getter = NULL;
6832 MonoDomain *domain = mono_domain_get ();
6833 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6834 MonoClass *field_class;
6835 MonoMethodMessage *msg;
6836 MonoArray *out_args;
6840 g_assert (mono_object_is_transparent_proxy (this_obj));
6841 g_assert (res != NULL);
6843 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6844 mono_field_get_value (tp->rp->unwrapped_server, field, res);
6849 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6851 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6854 field_class = mono_class_from_mono_type (field->type);
6856 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6857 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6858 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6860 full_name = mono_type_get_full_name (klass);
6861 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6862 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6865 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6867 if (exc) mono_raise_exception ((MonoException *)exc);
6869 if (mono_array_length (out_args) == 0)
6872 *res = mono_array_get (out_args, MonoObject *, 0); /* FIXME: GC write abrrier for res */
6874 if (field_class->valuetype) {
6875 return ((char *)*res) + sizeof (MonoObject);
6881 * mono_load_remote_field_new:
6886 * Missing documentation.
6889 mono_load_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
6891 MONO_REQ_GC_UNSAFE_MODE;
6893 static MonoMethod *getter = NULL;
6894 MonoDomain *domain = mono_domain_get ();
6895 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6896 MonoClass *field_class;
6897 MonoMethodMessage *msg;
6898 MonoArray *out_args;
6899 MonoObject *exc, *res;
6902 g_assert (mono_object_is_transparent_proxy (this_obj));
6904 field_class = mono_class_from_mono_type (field->type);
6906 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6908 if (field_class->valuetype) {
6909 res = mono_object_new (domain, field_class);
6910 val = ((gchar *) res) + sizeof (MonoObject);
6914 mono_field_get_value (tp->rp->unwrapped_server, field, val);
6919 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6921 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6924 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6925 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6927 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6929 full_name = mono_type_get_full_name (klass);
6930 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6931 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6934 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6936 if (exc) mono_raise_exception ((MonoException *)exc);
6938 if (mono_array_length (out_args) == 0)
6941 res = mono_array_get (out_args, MonoObject *, 0);
6947 * mono_store_remote_field:
6948 * @this_obj: pointer to an object
6949 * @klass: klass of the object containing @field
6950 * @field: the field to load
6951 * @val: the value/object to store
6953 * This method is called by the runtime on attempts to store fields of
6954 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
6955 * the object containing @field. @val is the new value to store in @field.
6958 mono_store_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val)
6960 MONO_REQ_GC_UNSAFE_MODE;
6962 static MonoMethod *setter = NULL;
6963 MonoDomain *domain = mono_domain_get ();
6964 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6965 MonoClass *field_class;
6966 MonoMethodMessage *msg;
6967 MonoArray *out_args;
6972 g_assert (mono_object_is_transparent_proxy (this_obj));
6974 field_class = mono_class_from_mono_type (field->type);
6976 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6977 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, val);
6978 else mono_field_set_value (tp->rp->unwrapped_server, field, *((MonoObject **)val));
6983 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
6985 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6988 if (field_class->valuetype)
6989 arg = mono_value_box (domain, field_class, val);
6991 arg = *((MonoObject **)val);
6994 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6995 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
6997 full_name = mono_type_get_full_name (klass);
6998 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6999 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7000 mono_array_setref (msg->args, 2, arg);
7003 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
7005 if (exc) mono_raise_exception ((MonoException *)exc);
7009 * mono_store_remote_field_new:
7015 * Missing documentation
7018 mono_store_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7020 MONO_REQ_GC_UNSAFE_MODE;
7022 static MonoMethod *setter = NULL;
7023 MonoDomain *domain = mono_domain_get ();
7024 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7025 MonoClass *field_class;
7026 MonoMethodMessage *msg;
7027 MonoArray *out_args;
7031 g_assert (mono_object_is_transparent_proxy (this_obj));
7033 field_class = mono_class_from_mono_type (field->type);
7035 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7036 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, ((gchar *) arg) + sizeof (MonoObject));
7037 else mono_field_set_value (tp->rp->unwrapped_server, field, arg);
7042 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7044 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
7047 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
7048 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
7050 full_name = mono_type_get_full_name (klass);
7051 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7052 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7053 mono_array_setref (msg->args, 2, arg);
7056 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
7058 if (exc) mono_raise_exception ((MonoException *)exc);
7063 * mono_create_ftnptr:
7065 * Given a function address, create a function descriptor for it.
7066 * This is only needed on some platforms.
7069 mono_create_ftnptr (MonoDomain *domain, gpointer addr)
7071 return callbacks.create_ftnptr (domain, addr);
7075 * mono_get_addr_from_ftnptr:
7077 * Given a pointer to a function descriptor, return the function address.
7078 * This is only needed on some platforms.
7081 mono_get_addr_from_ftnptr (gpointer descr)
7083 return callbacks.get_addr_from_ftnptr (descr);
7087 * mono_string_chars:
7090 * Returns a pointer to the UCS16 characters stored in the MonoString
7093 mono_string_chars (MonoString *s)
7095 // MONO_REQ_GC_UNSAFE_MODE; //FIXME too much trouble for now
7101 * mono_string_length:
7104 * Returns the lenght in characters of the string
7107 mono_string_length (MonoString *s)
7109 MONO_REQ_GC_UNSAFE_MODE;
7115 * mono_array_length:
7116 * @array: a MonoArray*
7118 * Returns the total number of elements in the array. This works for
7119 * both vectors and multidimensional arrays.
7122 mono_array_length (MonoArray *array)
7124 MONO_REQ_GC_UNSAFE_MODE;
7126 return array->max_length;
7130 * mono_array_addr_with_size:
7131 * @array: a MonoArray*
7132 * @size: size of the array elements
7133 * @idx: index into the array
7135 * Returns the address of the @idx element in the array.
7138 mono_array_addr_with_size (MonoArray *array, int size, uintptr_t idx)
7140 MONO_REQ_GC_UNSAFE_MODE;
7142 return ((char*)(array)->vector) + size * idx;
7147 mono_glist_to_array (GList *list, MonoClass *eclass)
7149 MonoDomain *domain = mono_domain_get ();
7156 len = g_list_length (list);
7157 res = mono_array_new (domain, eclass, len);
7159 for (i = 0; list; list = list->next, i++)
7160 mono_array_set (res, gpointer, i, list->data);