2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
9 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #include "metadata/marshal.h"
22 #include "metadata/method-builder.h"
23 #include "metadata/tabledefs.h"
24 #include "metadata/exception.h"
25 #include "metadata/appdomain.h"
26 #include "mono/metadata/abi-details.h"
27 #include "mono/metadata/debug-helpers.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/class-internals.h"
31 #include "mono/metadata/metadata-internals.h"
32 #include "mono/metadata/domain-internals.h"
33 #include "mono/metadata/gc-internal.h"
34 #include "mono/metadata/threads-types.h"
35 #include "mono/metadata/string-icalls.h"
36 #include "mono/metadata/attrdefs.h"
37 #include "mono/metadata/gc-internal.h"
38 #include "mono/metadata/cominterop.h"
39 #include "mono/metadata/remoting.h"
40 #include "mono/metadata/reflection-internals.h"
41 #include "mono/metadata/threadpool-ms.h"
42 #include "mono/utils/mono-counters.h"
43 #include "mono/utils/mono-tls.h"
44 #include "mono/utils/mono-memory-model.h"
45 #include "mono/utils/atomic.h"
46 #include <mono/utils/mono-threads.h>
51 /* #define DEBUG_RUNTIME_CODE */
53 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
57 #include "mono/cil/opcode.def"
63 * This mutex protects the various marshalling related caches in MonoImage
64 * and a few other data structures static to this file.
66 * The marshal lock is a non-recursive complex lock that sits below the domain lock in the
67 * runtime locking latice. Which means it can take simple locks suck as the image lock.
69 #define mono_marshal_lock() mono_locks_acquire (&marshal_mutex, MarshalLock)
70 #define mono_marshal_unlock() mono_locks_release (&marshal_mutex, MarshalLock)
71 static mono_mutex_t marshal_mutex;
72 static gboolean marshal_mutex_initialized;
74 static MonoNativeTlsKey last_error_tls_id;
76 static MonoNativeTlsKey load_type_info_tls_id;
78 static gboolean use_aot_wrappers;
81 delegate_hash_table_add (MonoDelegate *d);
84 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
87 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
90 mono_struct_delete_old (MonoClass *klass, char *ptr);
93 mono_marshal_string_to_utf16 (MonoString *s);
96 mono_marshal_string_to_utf16_copy (MonoString *s);
99 mono_string_to_lpstr (MonoString *string_obj);
101 static MonoStringBuilder *
102 mono_string_utf8_to_builder2 (char *text);
104 static MonoStringBuilder *
105 mono_string_utf16_to_builder2 (gunichar2 *text);
108 mono_string_new_len_wrapper (const char *text, guint length);
111 mono_string_from_byvalstr (const char *data, int len);
114 mono_string_from_byvalwstr (gunichar2 *data, int len);
117 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
120 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
123 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
126 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
128 static MonoAsyncResult *
129 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
132 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
135 mono_marshal_set_last_error_windows (int error);
138 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache);
140 static void init_safe_handle (void);
142 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
143 static MonoMethod *sh_dangerous_add_ref;
144 static MonoMethod *sh_dangerous_release;
150 sh_dangerous_add_ref = mono_class_get_method_from_name (
151 mono_defaults.safehandle_class, "DangerousAddRef", 1);
152 sh_dangerous_release = mono_class_get_method_from_name (
153 mono_defaults.safehandle_class, "DangerousRelease", 0);
157 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
159 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
161 mono_register_jit_icall (func, name, sig, save);
165 mono_signature_no_pinvoke (MonoMethod *method)
167 MonoMethodSignature *sig = mono_method_signature (method);
169 sig = mono_metadata_signature_dup_full (method->klass->image, sig);
170 sig->pinvoke = FALSE;
177 mono_marshal_init_tls (void)
179 mono_native_tls_alloc (&last_error_tls_id, NULL);
180 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
184 mono_marshal_init (void)
186 static gboolean module_initialized = FALSE;
188 if (!module_initialized) {
189 module_initialized = TRUE;
190 mono_mutex_init_recursive (&marshal_mutex);
191 marshal_mutex_initialized = TRUE;
193 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
194 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
195 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
196 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
197 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
198 register_icall (mono_string_from_byvalstr, "mono_string_from_byvalstr", "obj ptr int", FALSE);
199 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
200 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
201 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
202 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
203 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
204 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
205 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
206 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
207 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
208 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
209 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
210 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
211 register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
212 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
213 register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
214 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
215 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
216 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
217 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
218 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
219 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
220 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
221 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
222 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
223 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
224 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
225 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
226 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
227 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
228 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
229 register_icall (g_free, "g_free", "void ptr", FALSE);
230 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
231 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
232 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
233 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
234 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
235 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
236 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
237 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
238 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
239 register_icall (mono_marshal_isinst_with_cache, "mono_marshal_isinst_with_cache", "object object ptr ptr", FALSE);
241 mono_cominterop_init ();
242 mono_remoting_init ();
244 if (mono_threads_is_coop_enabled ()) {
245 register_icall (mono_threads_prepare_blocking, "mono_threads_prepare_blocking", "ptr ptr", FALSE);
246 register_icall (mono_threads_finish_blocking, "mono_threads_finish_blocking", "void ptr ptr", FALSE);
247 register_icall (mono_threads_reset_blocking_start, "mono_threads_reset_blocking_start","ptr ptr", TRUE);
248 register_icall (mono_threads_reset_blocking_end, "mono_threads_reset_blocking_end","void ptr ptr", TRUE);
254 mono_marshal_cleanup (void)
256 mono_cominterop_cleanup ();
258 mono_native_tls_free (load_type_info_tls_id);
259 mono_native_tls_free (last_error_tls_id);
260 mono_mutex_destroy (&marshal_mutex);
261 marshal_mutex_initialized = FALSE;
265 mono_marshal_lock_internal (void)
267 mono_marshal_lock ();
271 mono_marshal_unlock_internal (void)
273 mono_marshal_unlock ();
277 mono_delegate_to_ftnptr (MonoDelegate *delegate)
279 MonoMethod *method, *wrapper;
281 uint32_t target_handle = 0;
286 if (delegate->delegate_trampoline)
287 return delegate->delegate_trampoline;
289 klass = ((MonoObject *)delegate)->vtable->klass;
290 g_assert (klass->delegate);
292 method = delegate->method;
294 if (mono_method_signature (method)->pinvoke) {
295 const char *exc_class, *exc_arg;
298 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
300 g_assert (exc_class);
301 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
306 if (delegate->target) {
307 /* Produce a location which can be embedded in JITted code */
308 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
311 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
313 delegate->delegate_trampoline = mono_compile_method (wrapper);
315 // Add the delegate to the delegate hash table
316 delegate_hash_table_add (delegate);
318 /* when the object is collected, collect the dynamic method, too */
319 mono_object_register_finalizer ((MonoObject*)delegate);
321 return delegate->delegate_trampoline;
325 * this hash table maps from a delegate trampoline object to a weak reference
326 * of the delegate. As an optimizations with a non-moving GC we store the
327 * object pointer itself, otherwise we use a GC handle.
329 static GHashTable *delegate_hash_table;
332 delegate_hash_table_new (void) {
333 return g_hash_table_new (NULL, NULL);
337 delegate_hash_table_remove (MonoDelegate *d)
339 guint32 gchandle = 0;
341 mono_marshal_lock ();
342 if (delegate_hash_table == NULL)
343 delegate_hash_table = delegate_hash_table_new ();
344 if (mono_gc_is_moving ())
345 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
346 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
347 mono_marshal_unlock ();
348 if (gchandle && mono_gc_is_moving ())
349 mono_gchandle_free (gchandle);
353 delegate_hash_table_add (MonoDelegate *d)
356 guint32 old_gchandle;
358 mono_marshal_lock ();
359 if (delegate_hash_table == NULL)
360 delegate_hash_table = delegate_hash_table_new ();
361 if (mono_gc_is_moving ()) {
362 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
363 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
364 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
366 mono_gchandle_free (old_gchandle);
368 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
370 mono_marshal_unlock ();
374 * mono_marshal_use_aot_wrappers:
376 * Instructs this module to use AOT compatible wrappers.
379 mono_marshal_use_aot_wrappers (gboolean use)
381 use_aot_wrappers = use;
385 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
387 static MonoClass *UnmanagedFunctionPointerAttribute;
388 MonoCustomAttrInfo *cinfo;
389 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
391 if (!UnmanagedFunctionPointerAttribute)
392 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
394 /* The attribute is only available in Net 2.0 */
395 if (UnmanagedFunctionPointerAttribute) {
397 * The pinvoke attributes are stored in a real custom attribute so we have to
400 cinfo = mono_custom_attrs_from_class (klass);
401 if (cinfo && !mono_runtime_get_no_exec ()) {
403 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, UnmanagedFunctionPointerAttribute, &error);
405 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
407 if (!mono_error_ok (&error)) {
408 g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
409 mono_error_cleanup (&error);
413 mono_custom_attrs_free (cinfo);
419 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
427 mono_marshal_lock ();
428 if (delegate_hash_table == NULL)
429 delegate_hash_table = delegate_hash_table_new ();
431 if (mono_gc_is_moving ()) {
432 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
433 mono_marshal_unlock ();
435 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
439 d = g_hash_table_lookup (delegate_hash_table, ftn);
440 mono_marshal_unlock ();
443 /* This is a native function, so construct a delegate for it */
444 MonoMethodSignature *sig;
446 MonoMarshalSpec **mspecs;
447 MonoMethod *invoke = mono_get_delegate_invoke (klass);
448 MonoMethodPInvoke piinfo;
449 MonoObject *this_obj;
452 if (use_aot_wrappers) {
453 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
454 this_obj = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
456 memset (&piinfo, 0, sizeof (piinfo));
457 parse_unmanaged_function_pointer_attr (klass, &piinfo);
459 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
460 mono_method_get_marshal_info (invoke, mspecs);
461 /* Freed below so don't alloc from mempool */
462 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
465 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
468 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
470 mono_metadata_free_marshal_spec (mspecs [i]);
475 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
476 mono_delegate_ctor_with_method ((MonoObject*)d, this_obj, mono_compile_method (wrapper), wrapper);
479 if (d->object.vtable->domain != mono_domain_get ())
480 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
486 mono_delegate_free_ftnptr (MonoDelegate *delegate)
491 delegate_hash_table_remove (delegate);
493 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
495 if (!delegate->target) {
496 /* The wrapper method is shared between delegates -> no need to free it */
505 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
508 method = mono_jit_info_get_method (ji);
509 method_data = ((MonoMethodWrapper*)method)->method_data;
511 /*the target gchandle is the first entry after size and the wrapper itself.*/
512 gchandle = GPOINTER_TO_UINT (method_data [2]);
515 mono_gchandle_free (gchandle);
517 mono_runtime_free_method (mono_object_domain (delegate), method);
522 mono_string_from_byvalstr (const char *data, int max_len)
524 MonoDomain *domain = mono_domain_get ();
530 while (len < max_len - 1 && data [len])
533 return mono_string_new_len (domain, data, len);
537 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
539 MonoDomain *domain = mono_domain_get ();
545 while (data [len]) len++;
547 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
551 mono_array_to_savearray (MonoArray *array)
556 g_assert_not_reached ();
561 mono_array_to_lparray (MonoArray *array)
564 gpointer *nativeArray = NULL;
565 int nativeArraySize = 0;
575 klass = array->obj.vtable->klass;
577 switch (klass->element_class->byval_arg.type) {
579 g_assert_not_reached ();
581 case MONO_TYPE_CLASS:
582 nativeArraySize = array->max_length;
583 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
584 for(i = 0; i < nativeArraySize; ++i)
585 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
588 case MONO_TYPE_BOOLEAN:
601 case MONO_TYPE_VALUETYPE:
605 case MONO_TYPE_GENERICINST:
606 case MONO_TYPE_OBJECT:
607 case MONO_TYPE_ARRAY:
608 case MONO_TYPE_SZARRAY:
609 case MONO_TYPE_STRING:
611 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
612 g_assert_not_reached ();
615 return array->vector;
619 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
630 klass = array->obj.vtable->klass;
632 if (klass->element_class->byval_arg.type == MONO_TYPE_CLASS) {
633 for(i = 0; i < array->max_length; ++i)
634 mono_marshal_free_ccw (mono_array_get (array, MonoObject*, i));
641 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
643 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
645 if (elclass == mono_defaults.byte_class) {
646 GError *error = NULL;
650 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
653 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
657 g_error_free (error);
660 g_assert_not_reached ();
664 mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
666 mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
670 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
672 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
674 if (elclass == mono_defaults.byte_class) {
676 GError *error = NULL;
678 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
680 MonoException *exc = mono_get_exception_argument ("string", error->message);
681 g_error_free (error);
682 mono_raise_exception (exc);
685 memcpy (native_arr, as, MIN (strlen (as), elnum));
688 g_assert_not_reached ();
693 mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
695 mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
698 static MonoStringBuilder *
699 mono_string_builder_new (int starting_string_length)
701 static MonoClass *string_builder_class;
702 static MonoMethod *sb_ctor;
703 static void *args [1];
704 int initial_len = starting_string_length;
710 MonoMethodDesc *desc;
713 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
714 g_assert (string_builder_class);
715 desc = mono_method_desc_new (":.ctor(int)", FALSE);
716 m = mono_method_desc_search_in_class (desc, string_builder_class);
718 mono_method_desc_free (desc);
719 mono_memory_barrier ();
723 // We make a new array in the _to_builder function, so this
724 // array will always be garbage collected.
725 args [0] = &initial_len;
727 MonoStringBuilder *sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
731 mono_runtime_invoke (sb_ctor, sb, args, &exc);
734 g_assert (sb->chunkChars->max_length >= initial_len);
740 mono_string_utf16_to_builder_copy (MonoStringBuilder *sb, gunichar2 *text, size_t string_len)
742 gunichar2 *charDst = (gunichar2 *)sb->chunkChars->vector;
743 gunichar2 *charSrc = (gunichar2 *)text;
744 memcpy (charDst, charSrc, sizeof (gunichar2) * string_len);
746 sb->chunkLength = string_len;
752 mono_string_utf16_to_builder2 (gunichar2 *text)
758 for (len = 0; text [len] != 0; ++len);
760 MonoStringBuilder *sb = mono_string_builder_new (len);
761 mono_string_utf16_to_builder (sb, text);
767 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
772 int len = strlen (text);
773 if (len > mono_string_builder_capacity (sb))
774 len = mono_string_builder_capacity (sb);
776 GError *error = NULL;
778 gunichar2* ut = g_utf8_to_utf16 (text, len, NULL, &copied, &error);
781 MONO_OBJECT_SETREF (sb, chunkPrevious, NULL);
782 mono_string_utf16_to_builder_copy (sb, ut, copied);
784 g_error_free (error);
790 mono_string_utf8_to_builder2 (char *text)
795 int len = strlen (text);
796 MonoStringBuilder *sb = mono_string_builder_new (len);
797 mono_string_utf8_to_builder (sb, text);
804 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
810 for (len = 0; text [len] != 0; ++len);
812 if (len > mono_string_builder_capacity (sb))
813 len = mono_string_builder_capacity (sb);
815 mono_string_utf16_to_builder_copy (sb, text, len);
819 * mono_string_builder_to_utf8:
820 * @sb: the string builder
822 * Converts to utf8 the contents of the MonoStringBuilder.
824 * Returns: a utf8 string with the contents of the StringBuilder.
826 * The return value must be released with g_free.
829 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
831 GError *error = NULL;
837 gunichar2 *str_utf16 = mono_string_builder_to_utf16 (sb);
839 guint str_len = mono_string_builder_string_length (sb);
841 gchar *tmp = g_utf16_to_utf8 (str_utf16, str_len, NULL, NULL, &error);
844 g_error_free (error);
846 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
849 guint len = mono_string_builder_capacity (sb) + 1;
850 gchar *res = mono_marshal_alloc (len * sizeof (gchar));
851 g_assert (str_len < len);
852 memcpy (res, tmp, str_len * sizeof (gchar));
863 * mono_string_builder_to_utf16:
864 * @sb: the string builder
866 * Converts to utf16 the contents of the MonoStringBuilder.
868 * Returns: a utf16 string with the contents of the StringBuilder.
870 * The return value must not be freed.
873 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
878 g_assert (sb->chunkChars);
880 guint len = mono_string_builder_capacity (sb);
885 gunichar2 *str = mono_marshal_alloc ((len + 1) * sizeof (gunichar2));
891 MonoStringBuilder* chunk = sb;
893 if (chunk->chunkLength > 0) {
894 // Check that we will not overrun our boundaries.
895 gunichar2 *source = (gunichar2 *)chunk->chunkChars->vector;
897 if (chunk->chunkLength <= len) {
898 memcpy (str + chunk->chunkOffset, source, chunk->chunkLength * sizeof(gunichar2));
900 g_error ("A chunk in the StringBuilder had a length longer than expected from the offset.");
903 len -= chunk->chunkLength;
905 chunk = chunk->chunkPrevious;
906 } while (chunk != NULL);
912 mono_string_to_lpstr (MonoString *s)
917 GError *error = NULL;
923 as = CoTaskMemAlloc (1);
928 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
930 MonoException *exc = mono_get_exception_argument ("string", error->message);
931 g_error_free (error);
932 mono_raise_exception(exc);
935 as = CoTaskMemAlloc (len + 1);
936 memcpy (as, tmp, len + 1);
941 return mono_string_to_utf8 (s);
946 mono_string_to_ansibstr (MonoString *string_obj)
948 g_error ("UnmanagedMarshal.BStr is not implemented.");
953 * mono_string_to_byvalstr:
954 * @dst: Where to store the null-terminated utf8 decoded string.
955 * @src: the MonoString to copy.
956 * @size: the maximum number of bytes to copy.
958 * Copies the MonoString pointed to by @src as a utf8 string
959 * into @dst, it copies at most @size bytes into the destination.
962 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
967 g_assert (dst != NULL);
970 memset (dst, 0, size);
974 s = mono_string_to_utf8 (src);
975 len = MIN (size, strlen (s));
978 memcpy (dst, s, len);
983 * mono_string_to_byvalwstr:
984 * @dst: Where to store the null-terminated utf16 decoded string.
985 * @src: the MonoString to copy.
986 * @size: the maximum number of bytes to copy.
988 * Copies the MonoString pointed to by @src as a utf16 string into
989 * @dst, it copies at most @size bytes into the destination (including
990 * a terminating 16-bit zero terminator).
993 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
997 g_assert (dst != NULL);
1001 memset (dst, 0, size * 2);
1005 len = MIN (size, (mono_string_length (src)));
1006 memcpy (dst, mono_string_chars (src), size * 2);
1007 if (size <= mono_string_length (src))
1009 *((gunichar2 *) dst + len) = 0;
1013 mono_string_new_len_wrapper (const char *text, guint length)
1015 return mono_string_new_len (mono_domain_get (), text, length);
1021 * mono_mb_emit_exception_marshal_directive:
1023 * This function assumes ownership of MSG, which should be malloc-ed.
1026 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1031 s = mono_image_strdup (mb->method->klass->image, msg);
1036 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1039 #endif /* !DISABLE_JIT */
1042 mono_type_to_ldind (MonoType *type)
1048 switch (type->type) {
1050 return CEE_LDIND_I1;
1052 case MONO_TYPE_BOOLEAN:
1053 return CEE_LDIND_U1;
1055 return CEE_LDIND_I2;
1057 case MONO_TYPE_CHAR:
1058 return CEE_LDIND_U2;
1060 return CEE_LDIND_I4;
1062 return CEE_LDIND_U4;
1066 case MONO_TYPE_FNPTR:
1068 case MONO_TYPE_CLASS:
1069 case MONO_TYPE_STRING:
1070 case MONO_TYPE_OBJECT:
1071 case MONO_TYPE_SZARRAY:
1072 case MONO_TYPE_ARRAY:
1073 return CEE_LDIND_REF;
1076 return CEE_LDIND_I8;
1078 return CEE_LDIND_R4;
1080 return CEE_LDIND_R8;
1081 case MONO_TYPE_VALUETYPE:
1082 if (type->data.klass->enumtype) {
1083 type = mono_class_enum_basetype (type->data.klass);
1087 case MONO_TYPE_TYPEDBYREF:
1089 case MONO_TYPE_GENERICINST:
1090 type = &type->data.generic_class->container_class->byval_arg;
1093 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1099 mono_type_to_stind (MonoType *type)
1105 switch (type->type) {
1108 case MONO_TYPE_BOOLEAN:
1109 return CEE_STIND_I1;
1112 case MONO_TYPE_CHAR:
1113 return CEE_STIND_I2;
1116 return CEE_STIND_I4;
1120 case MONO_TYPE_FNPTR:
1122 case MONO_TYPE_CLASS:
1123 case MONO_TYPE_STRING:
1124 case MONO_TYPE_OBJECT:
1125 case MONO_TYPE_SZARRAY:
1126 case MONO_TYPE_ARRAY:
1127 return CEE_STIND_REF;
1130 return CEE_STIND_I8;
1132 return CEE_STIND_R4;
1134 return CEE_STIND_R8;
1135 case MONO_TYPE_VALUETYPE:
1136 if (type->data.klass->enumtype) {
1137 type = mono_class_enum_basetype (type->data.klass);
1141 case MONO_TYPE_TYPEDBYREF:
1143 case MONO_TYPE_GENERICINST:
1144 type = &type->data.generic_class->container_class->byval_arg;
1147 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1155 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1158 case MONO_MARSHAL_CONV_BOOL_I4:
1159 mono_mb_emit_ldloc (mb, 1);
1160 mono_mb_emit_ldloc (mb, 0);
1161 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1162 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1163 mono_mb_emit_byte (mb, 3);
1164 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1165 mono_mb_emit_byte (mb, CEE_BR_S);
1166 mono_mb_emit_byte (mb, 1);
1167 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1168 mono_mb_emit_byte (mb, CEE_STIND_I1);
1170 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1171 mono_mb_emit_ldloc (mb, 1);
1172 mono_mb_emit_ldloc (mb, 0);
1173 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1174 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1175 mono_mb_emit_byte (mb, 3);
1176 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1177 mono_mb_emit_byte (mb, CEE_BR_S);
1178 mono_mb_emit_byte (mb, 1);
1179 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1180 mono_mb_emit_byte (mb, CEE_STIND_I1);
1182 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1183 MonoClass *eklass = NULL;
1186 if (type->type == MONO_TYPE_SZARRAY) {
1187 eklass = type->data.klass;
1189 g_assert_not_reached ();
1192 esize = mono_class_native_size (eklass, NULL);
1194 /* create a new array */
1195 mono_mb_emit_ldloc (mb, 1);
1196 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1197 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1198 mono_mb_emit_byte (mb, CEE_STIND_I);
1200 if (eklass->blittable) {
1201 /* copy the elements */
1202 mono_mb_emit_ldloc (mb, 1);
1203 mono_mb_emit_byte (mb, CEE_LDIND_I);
1204 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1205 mono_mb_emit_byte (mb, CEE_ADD);
1206 mono_mb_emit_ldloc (mb, 0);
1207 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1208 mono_mb_emit_byte (mb, CEE_PREFIX1);
1209 mono_mb_emit_byte (mb, CEE_CPBLK);
1212 int array_var, src_var, dst_var, index_var;
1213 guint32 label2, label3;
1215 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1216 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1217 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1220 mono_mb_emit_ldloc (mb, 1);
1221 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1222 mono_mb_emit_stloc (mb, array_var);
1224 /* save the old src pointer */
1225 mono_mb_emit_ldloc (mb, 0);
1226 mono_mb_emit_stloc (mb, src_var);
1227 /* save the old dst pointer */
1228 mono_mb_emit_ldloc (mb, 1);
1229 mono_mb_emit_stloc (mb, dst_var);
1231 /* Emit marshalling loop */
1232 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1233 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1234 mono_mb_emit_stloc (mb, index_var);
1237 label2 = mono_mb_get_label (mb);
1238 mono_mb_emit_ldloc (mb, index_var);
1239 mono_mb_emit_ldloc (mb, array_var);
1240 mono_mb_emit_byte (mb, CEE_LDLEN);
1241 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1243 /* src is already set */
1246 mono_mb_emit_ldloc (mb, array_var);
1247 mono_mb_emit_ldloc (mb, index_var);
1248 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1249 mono_mb_emit_stloc (mb, 1);
1251 /* Do the conversion */
1252 emit_struct_conv (mb, eklass, TRUE);
1255 mono_mb_emit_add_to_local (mb, index_var, 1);
1257 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1259 mono_mb_patch_branch (mb, label3);
1261 /* restore the old src pointer */
1262 mono_mb_emit_ldloc (mb, src_var);
1263 mono_mb_emit_stloc (mb, 0);
1264 /* restore the old dst pointer */
1265 mono_mb_emit_ldloc (mb, dst_var);
1266 mono_mb_emit_stloc (mb, 1);
1270 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1271 MonoClass *eclass = mono_defaults.char_class;
1273 /* create a new array */
1274 mono_mb_emit_ldloc (mb, 1);
1275 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1276 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1277 mono_mb_emit_byte (mb, CEE_STIND_REF);
1279 mono_mb_emit_ldloc (mb, 1);
1280 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1281 mono_mb_emit_ldloc (mb, 0);
1282 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1283 mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
1286 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1287 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1288 mono_mb_emit_ldloc (mb, 1);
1289 mono_mb_emit_ldloc (mb, 0);
1290 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1291 mono_mb_emit_icall (mb, mono_string_from_byvalstr);
1293 mono_mb_emit_ldloc (mb, 1);
1294 mono_mb_emit_ldloc (mb, 0);
1295 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1297 mono_mb_emit_byte (mb, CEE_STIND_REF);
1299 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1300 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1301 mono_mb_emit_ldloc (mb, 1);
1302 mono_mb_emit_ldloc (mb, 0);
1303 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1304 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1306 mono_mb_emit_ldloc (mb, 1);
1307 mono_mb_emit_ldloc (mb, 0);
1308 mono_mb_emit_icall (mb, mono_string_from_utf16);
1310 mono_mb_emit_byte (mb, CEE_STIND_REF);
1312 case MONO_MARSHAL_CONV_STR_LPTSTR:
1313 mono_mb_emit_ldloc (mb, 1);
1314 mono_mb_emit_ldloc (mb, 0);
1315 mono_mb_emit_byte (mb, CEE_LDIND_I);
1317 mono_mb_emit_icall (mb, mono_string_from_utf16);
1319 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1321 mono_mb_emit_byte (mb, CEE_STIND_REF);
1323 case MONO_MARSHAL_CONV_STR_LPSTR:
1324 mono_mb_emit_ldloc (mb, 1);
1325 mono_mb_emit_ldloc (mb, 0);
1326 mono_mb_emit_byte (mb, CEE_LDIND_I);
1327 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1328 mono_mb_emit_byte (mb, CEE_STIND_REF);
1330 case MONO_MARSHAL_CONV_STR_LPWSTR:
1331 mono_mb_emit_ldloc (mb, 1);
1332 mono_mb_emit_ldloc (mb, 0);
1333 mono_mb_emit_byte (mb, CEE_LDIND_I);
1334 mono_mb_emit_icall (mb, mono_string_from_utf16);
1335 mono_mb_emit_byte (mb, CEE_STIND_REF);
1337 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1338 MonoClass *klass = mono_class_from_mono_type (type);
1339 int src_var, dst_var;
1341 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1342 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1344 /* *dst = new object */
1345 mono_mb_emit_ldloc (mb, 1);
1346 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1347 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1348 mono_mb_emit_byte (mb, CEE_STIND_REF);
1350 /* save the old src pointer */
1351 mono_mb_emit_ldloc (mb, 0);
1352 mono_mb_emit_stloc (mb, src_var);
1353 /* save the old dst pointer */
1354 mono_mb_emit_ldloc (mb, 1);
1355 mono_mb_emit_stloc (mb, dst_var);
1357 /* dst = pointer to newly created object data */
1358 mono_mb_emit_ldloc (mb, 1);
1359 mono_mb_emit_byte (mb, CEE_LDIND_I);
1360 mono_mb_emit_icon (mb, sizeof (MonoObject));
1361 mono_mb_emit_byte (mb, CEE_ADD);
1362 mono_mb_emit_stloc (mb, 1);
1364 emit_struct_conv (mb, klass, TRUE);
1366 /* restore the old src pointer */
1367 mono_mb_emit_ldloc (mb, src_var);
1368 mono_mb_emit_stloc (mb, 0);
1369 /* restore the old dst pointer */
1370 mono_mb_emit_ldloc (mb, dst_var);
1371 mono_mb_emit_stloc (mb, 1);
1374 case MONO_MARSHAL_CONV_DEL_FTN: {
1375 MonoClass *klass = mono_class_from_mono_type (type);
1377 mono_mb_emit_ldloc (mb, 1);
1378 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1379 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1380 mono_mb_emit_ldloc (mb, 0);
1381 mono_mb_emit_byte (mb, CEE_LDIND_I);
1382 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1383 mono_mb_emit_byte (mb, CEE_STIND_REF);
1386 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1387 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1391 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1392 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1393 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1394 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1396 #endif /* DISABLE_COM */
1398 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1400 * Passing SafeHandles as ref does not allow the unmanaged code
1401 * to change the SafeHandle value. If the value is changed,
1402 * we should issue a diagnostic exception (NotSupportedException)
1403 * that informs the user that changes to handles in unmanaged code
1406 * Since we currently have no access to the original
1407 * SafeHandle that was used during the marshalling,
1408 * for now we just ignore this, and ignore/discard any
1409 * changes that might have happened to the handle.
1414 case MONO_MARSHAL_CONV_HANDLEREF: {
1416 * Passing HandleRefs in a struct that is ref()ed does not
1417 * copy the values back to the HandleRef
1422 case MONO_MARSHAL_CONV_STR_BSTR:
1423 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1424 case MONO_MARSHAL_CONV_STR_TBSTR:
1425 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1427 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1429 mono_mb_emit_exception_marshal_directive (mb, msg);
1436 conv_to_icall (MonoMarshalConv conv)
1439 case MONO_MARSHAL_CONV_STR_LPWSTR:
1440 return mono_marshal_string_to_utf16;
1441 case MONO_MARSHAL_CONV_LPWSTR_STR:
1442 return mono_string_from_utf16;
1443 case MONO_MARSHAL_CONV_LPTSTR_STR:
1444 return mono_string_new_wrapper;
1445 case MONO_MARSHAL_CONV_LPSTR_STR:
1446 return mono_string_new_wrapper;
1447 case MONO_MARSHAL_CONV_STR_LPTSTR:
1449 return mono_marshal_string_to_utf16;
1451 return mono_string_to_lpstr;
1453 case MONO_MARSHAL_CONV_STR_LPSTR:
1454 return mono_string_to_lpstr;
1455 case MONO_MARSHAL_CONV_STR_BSTR:
1456 return mono_string_to_bstr;
1457 case MONO_MARSHAL_CONV_BSTR_STR:
1458 return mono_string_from_bstr;
1459 case MONO_MARSHAL_CONV_STR_TBSTR:
1460 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1461 return mono_string_to_ansibstr;
1462 case MONO_MARSHAL_CONV_SB_LPSTR:
1463 return mono_string_builder_to_utf8;
1464 case MONO_MARSHAL_CONV_SB_LPTSTR:
1466 return mono_string_builder_to_utf16;
1468 return mono_string_builder_to_utf8;
1470 case MONO_MARSHAL_CONV_SB_LPWSTR:
1471 return mono_string_builder_to_utf16;
1472 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1473 return mono_array_to_savearray;
1474 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1475 return mono_array_to_lparray;
1476 case MONO_MARSHAL_FREE_LPARRAY:
1477 return mono_free_lparray;
1478 case MONO_MARSHAL_CONV_DEL_FTN:
1479 return mono_delegate_to_ftnptr;
1480 case MONO_MARSHAL_CONV_FTN_DEL:
1481 return mono_ftnptr_to_delegate;
1482 case MONO_MARSHAL_CONV_LPSTR_SB:
1483 return mono_string_utf8_to_builder;
1484 case MONO_MARSHAL_CONV_LPTSTR_SB:
1486 return mono_string_utf16_to_builder;
1488 return mono_string_utf8_to_builder;
1490 case MONO_MARSHAL_CONV_LPWSTR_SB:
1491 return mono_string_utf16_to_builder;
1492 case MONO_MARSHAL_FREE_ARRAY:
1493 return mono_marshal_free_array;
1494 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1495 return mono_string_to_byvalstr;
1496 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1497 return mono_string_to_byvalwstr;
1499 g_assert_not_reached ();
1506 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1511 case MONO_MARSHAL_CONV_BOOL_I4:
1512 mono_mb_emit_ldloc (mb, 1);
1513 mono_mb_emit_ldloc (mb, 0);
1514 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1515 mono_mb_emit_byte (mb, CEE_STIND_I4);
1517 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1518 mono_mb_emit_ldloc (mb, 1);
1519 mono_mb_emit_ldloc (mb, 0);
1520 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1521 mono_mb_emit_byte (mb, CEE_NEG);
1522 mono_mb_emit_byte (mb, CEE_STIND_I2);
1524 case MONO_MARSHAL_CONV_STR_LPWSTR:
1525 case MONO_MARSHAL_CONV_STR_LPSTR:
1526 case MONO_MARSHAL_CONV_STR_LPTSTR:
1527 case MONO_MARSHAL_CONV_STR_BSTR:
1528 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1529 case MONO_MARSHAL_CONV_STR_TBSTR: {
1532 /* free space if free == true */
1533 mono_mb_emit_ldloc (mb, 2);
1534 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1535 mono_mb_emit_ldloc (mb, 1);
1536 mono_mb_emit_byte (mb, CEE_LDIND_I);
1537 mono_mb_emit_icall (mb, g_free);
1538 mono_mb_patch_short_branch (mb, pos);
1540 mono_mb_emit_ldloc (mb, 1);
1541 mono_mb_emit_ldloc (mb, 0);
1542 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1543 mono_mb_emit_icall (mb, conv_to_icall (conv));
1544 mono_mb_emit_byte (mb, CEE_STIND_I);
1547 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1548 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1549 case MONO_MARSHAL_CONV_DEL_FTN:
1550 mono_mb_emit_ldloc (mb, 1);
1551 mono_mb_emit_ldloc (mb, 0);
1552 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1553 mono_mb_emit_icall (mb, conv_to_icall (conv));
1554 mono_mb_emit_byte (mb, CEE_STIND_I);
1556 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1557 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1560 mono_mb_emit_ldloc (mb, 1); /* dst */
1561 mono_mb_emit_ldloc (mb, 0);
1562 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1563 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1564 mono_mb_emit_icall (mb, conv_to_icall (conv));
1567 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1568 MonoClass *eklass = NULL;
1571 if (type->type == MONO_TYPE_SZARRAY) {
1572 eklass = type->data.klass;
1574 g_assert_not_reached ();
1577 if (eklass->valuetype)
1578 esize = mono_class_native_size (eklass, NULL);
1580 esize = sizeof (gpointer);
1582 mono_mb_emit_ldloc (mb, 0);
1583 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1584 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1586 if (eklass->blittable) {
1587 mono_mb_emit_ldloc (mb, 1);
1588 mono_mb_emit_ldloc (mb, 0);
1589 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1590 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
1591 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1592 mono_mb_emit_byte (mb, CEE_PREFIX1);
1593 mono_mb_emit_byte (mb, CEE_CPBLK);
1595 int array_var, src_var, dst_var, index_var;
1596 guint32 label2, label3;
1598 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1599 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1600 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1603 mono_mb_emit_ldloc (mb, 0);
1604 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1605 mono_mb_emit_stloc (mb, array_var);
1607 /* save the old src pointer */
1608 mono_mb_emit_ldloc (mb, 0);
1609 mono_mb_emit_stloc (mb, src_var);
1610 /* save the old dst pointer */
1611 mono_mb_emit_ldloc (mb, 1);
1612 mono_mb_emit_stloc (mb, dst_var);
1614 /* Emit marshalling loop */
1615 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1616 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1617 mono_mb_emit_stloc (mb, index_var);
1620 label2 = mono_mb_get_label (mb);
1621 mono_mb_emit_ldloc (mb, index_var);
1622 mono_mb_emit_ldloc (mb, array_var);
1623 mono_mb_emit_byte (mb, CEE_LDLEN);
1624 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1627 mono_mb_emit_ldloc (mb, array_var);
1628 mono_mb_emit_ldloc (mb, index_var);
1629 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1630 mono_mb_emit_stloc (mb, 0);
1632 /* dst is already set */
1634 /* Do the conversion */
1635 emit_struct_conv (mb, eklass, FALSE);
1638 mono_mb_emit_add_to_local (mb, index_var, 1);
1640 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1642 mono_mb_patch_branch (mb, label3);
1644 /* restore the old src pointer */
1645 mono_mb_emit_ldloc (mb, src_var);
1646 mono_mb_emit_stloc (mb, 0);
1647 /* restore the old dst pointer */
1648 mono_mb_emit_ldloc (mb, dst_var);
1649 mono_mb_emit_stloc (mb, 1);
1652 mono_mb_patch_branch (mb, pos);
1655 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1656 mono_mb_emit_ldloc (mb, 0);
1657 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1658 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1660 mono_mb_emit_ldloc (mb, 1);
1661 mono_mb_emit_ldloc (mb, 0);
1662 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1663 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1664 mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
1665 mono_mb_patch_short_branch (mb, pos);
1668 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1669 int src_var, dst_var;
1671 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1672 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1674 mono_mb_emit_ldloc (mb, 0);
1675 mono_mb_emit_byte (mb, CEE_LDIND_I);
1676 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1678 /* save the old src pointer */
1679 mono_mb_emit_ldloc (mb, 0);
1680 mono_mb_emit_stloc (mb, src_var);
1681 /* save the old dst pointer */
1682 mono_mb_emit_ldloc (mb, 1);
1683 mono_mb_emit_stloc (mb, dst_var);
1685 /* src = pointer to object data */
1686 mono_mb_emit_ldloc (mb, 0);
1687 mono_mb_emit_byte (mb, CEE_LDIND_I);
1688 mono_mb_emit_icon (mb, sizeof (MonoObject));
1689 mono_mb_emit_byte (mb, CEE_ADD);
1690 mono_mb_emit_stloc (mb, 0);
1692 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1694 /* restore the old src pointer */
1695 mono_mb_emit_ldloc (mb, src_var);
1696 mono_mb_emit_stloc (mb, 0);
1697 /* restore the old dst pointer */
1698 mono_mb_emit_ldloc (mb, dst_var);
1699 mono_mb_emit_stloc (mb, 1);
1701 mono_mb_patch_branch (mb, pos);
1706 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1707 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1708 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1709 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1711 #endif /* DISABLE_COM */
1713 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1716 mono_mb_emit_ldloc (mb, 0);
1717 mono_mb_emit_byte (mb, CEE_LDIND_I);
1718 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1719 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1720 mono_mb_patch_branch (mb, pos);
1722 /* Pull the handle field from SafeHandle */
1723 mono_mb_emit_ldloc (mb, 1);
1724 mono_mb_emit_ldloc (mb, 0);
1725 mono_mb_emit_byte (mb, CEE_LDIND_I);
1726 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
1727 mono_mb_emit_byte (mb, CEE_LDIND_I);
1728 mono_mb_emit_byte (mb, CEE_STIND_I);
1732 case MONO_MARSHAL_CONV_HANDLEREF: {
1733 mono_mb_emit_ldloc (mb, 1);
1734 mono_mb_emit_ldloc (mb, 0);
1735 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
1736 mono_mb_emit_byte (mb, CEE_ADD);
1737 mono_mb_emit_byte (mb, CEE_LDIND_I);
1738 mono_mb_emit_byte (mb, CEE_STIND_I);
1743 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1744 MonoException *exc = mono_get_exception_not_implemented (msg);
1745 g_warning ("%s", msg);
1747 mono_raise_exception (exc);
1753 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1754 MonoMarshalNative string_encoding)
1756 MonoMarshalType *info;
1760 emit_struct_conv(mb, klass->parent, to_object);
1762 info = mono_marshal_load_type_info (klass);
1764 if (info->native_size == 0)
1767 if (klass->blittable) {
1768 int msize = mono_class_value_size (klass, NULL);
1769 g_assert (msize == info->native_size);
1770 mono_mb_emit_ldloc (mb, 1);
1771 mono_mb_emit_ldloc (mb, 0);
1772 mono_mb_emit_icon (mb, msize);
1773 mono_mb_emit_byte (mb, CEE_PREFIX1);
1774 mono_mb_emit_byte (mb, CEE_CPBLK);
1776 mono_mb_emit_add_to_local (mb, 0, msize);
1777 mono_mb_emit_add_to_local (mb, 1, msize);
1781 if (klass != mono_defaults.safehandle_class) {
1782 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1783 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1784 mono_type_full_name (&klass->byval_arg));
1785 mono_mb_emit_exception_marshal_directive (mb, msg);
1790 for (i = 0; i < info->num_fields; i++) {
1791 MonoMarshalNative ntype;
1792 MonoMarshalConv conv;
1793 MonoType *ftype = info->fields [i].field->type;
1796 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1798 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1801 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1804 msize = klass->instance_size - info->fields [i].field->offset;
1805 usize = info->native_size - info->fields [i].offset;
1807 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1808 usize = info->fields [i + 1].offset - info->fields [i].offset;
1811 if (klass != mono_defaults.safehandle_class){
1813 * FIXME: Should really check for usize==0 and msize>0, but we apply
1814 * the layout to the managed structure as well.
1817 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1818 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1819 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1820 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1821 "reference field at the same offset as another field.",
1822 mono_type_full_name (&klass->byval_arg));
1827 case MONO_MARSHAL_CONV_NONE: {
1830 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1831 ftype->type == MONO_TYPE_U) {
1832 mono_mb_emit_ldloc (mb, 1);
1833 mono_mb_emit_ldloc (mb, 0);
1834 mono_mb_emit_byte (mb, CEE_LDIND_I);
1835 mono_mb_emit_byte (mb, CEE_STIND_I);
1846 case MONO_TYPE_BOOLEAN:
1849 case MONO_TYPE_CHAR:
1855 mono_mb_emit_ldloc (mb, 1);
1856 mono_mb_emit_ldloc (mb, 0);
1857 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1859 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1860 mono_mb_emit_byte (mb, CEE_STIND_I2);
1862 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1863 mono_mb_emit_byte (mb, CEE_STIND_I1);
1866 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1867 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1870 case MONO_TYPE_VALUETYPE: {
1871 int src_var, dst_var;
1873 if (ftype->data.klass->enumtype) {
1874 ftype = mono_class_enum_basetype (ftype->data.klass);
1878 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1879 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1881 /* save the old src pointer */
1882 mono_mb_emit_ldloc (mb, 0);
1883 mono_mb_emit_stloc (mb, src_var);
1884 /* save the old dst pointer */
1885 mono_mb_emit_ldloc (mb, 1);
1886 mono_mb_emit_stloc (mb, dst_var);
1888 emit_struct_conv (mb, ftype->data.klass, to_object);
1890 /* restore the old src pointer */
1891 mono_mb_emit_ldloc (mb, src_var);
1892 mono_mb_emit_stloc (mb, 0);
1893 /* restore the old dst pointer */
1894 mono_mb_emit_ldloc (mb, dst_var);
1895 mono_mb_emit_stloc (mb, 1);
1898 case MONO_TYPE_OBJECT: {
1901 static MonoMethod *variant_clear = NULL;
1902 static MonoMethod *get_object_for_native_variant = NULL;
1905 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
1906 if (!get_object_for_native_variant)
1907 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1908 mono_mb_emit_ldloc (mb, 1);
1909 mono_mb_emit_ldloc (mb, 0);
1910 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1911 mono_mb_emit_byte (mb, CEE_STIND_REF);
1913 mono_mb_emit_ldloc (mb, 0);
1914 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1917 static MonoMethod *get_native_variant_for_object = NULL;
1919 if (!get_native_variant_for_object)
1920 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1922 mono_mb_emit_ldloc (mb, 0);
1923 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1924 mono_mb_emit_ldloc (mb, 1);
1925 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
1928 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
1929 mono_mb_emit_exception_marshal_directive (mb, msg);
1935 g_warning ("marshaling type %02x not implemented", ftype->type);
1936 g_assert_not_reached ();
1941 int src_var, dst_var;
1943 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1944 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1946 /* save the old src pointer */
1947 mono_mb_emit_ldloc (mb, 0);
1948 mono_mb_emit_stloc (mb, src_var);
1949 /* save the old dst pointer */
1950 mono_mb_emit_ldloc (mb, 1);
1951 mono_mb_emit_stloc (mb, dst_var);
1954 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1956 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1958 /* restore the old src pointer */
1959 mono_mb_emit_ldloc (mb, src_var);
1960 mono_mb_emit_stloc (mb, 0);
1961 /* restore the old dst pointer */
1962 mono_mb_emit_ldloc (mb, dst_var);
1963 mono_mb_emit_stloc (mb, 1);
1968 mono_mb_emit_add_to_local (mb, 0, usize);
1969 mono_mb_emit_add_to_local (mb, 1, msize);
1971 mono_mb_emit_add_to_local (mb, 0, msize);
1972 mono_mb_emit_add_to_local (mb, 1, usize);
1978 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1980 emit_struct_conv_full (mb, klass, to_object, -1);
1984 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1986 /* Call DestroyStructure */
1987 /* FIXME: Only do this if needed */
1988 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1989 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1990 mono_mb_emit_ldloc (mb, struct_var);
1991 mono_mb_emit_icall (mb, mono_struct_delete_old);
1995 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1997 int pos_noabort, pos_noex;
1999 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2000 mono_mb_emit_byte (mb, CEE_MONO_LDPTR_INT_REQ_FLAG);
2001 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2002 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2004 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2005 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2007 mono_mb_emit_icall (mb, checkpoint_func);
2008 /* Throw the exception returned by the checkpoint function, if any */
2009 mono_mb_emit_byte (mb, CEE_DUP);
2010 pos_noex = mono_mb_emit_branch (mb, CEE_BRFALSE);
2011 mono_mb_emit_byte (mb, CEE_THROW);
2012 mono_mb_patch_branch (mb, pos_noex);
2013 mono_mb_emit_byte (mb, CEE_POP);
2015 mono_mb_patch_branch (mb, pos_noabort);
2019 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2021 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2024 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2028 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2030 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint_noraise);
2034 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2036 emit_thread_interrupt_checkpoint (mb);
2040 mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2042 emit_thread_force_interrupt_checkpoint (mb);
2045 #endif /* DISABLE_JIT */
2047 static MonoAsyncResult *
2048 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2050 MonoMulticastDelegate *mcast_delegate;
2054 g_assert (delegate);
2055 mcast_delegate = (MonoMulticastDelegate *) delegate;
2056 if (mcast_delegate->delegates != NULL)
2057 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2059 #ifndef DISABLE_REMOTING
2060 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2062 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2063 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2065 /* If the target is a proxy, make a direct call. Is proxy's work
2066 // to make the call asynchronous.
2068 MonoMethodMessage *msg;
2069 MonoDelegate *async_callback;
2071 MonoAsyncResult *ares;
2073 MonoArray *out_args;
2074 method = delegate->method;
2076 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2077 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2078 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2079 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2080 MONO_OBJECT_SETREF (msg, async_result, ares);
2081 msg->call_type = CallType_BeginInvoke;
2084 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2086 mono_raise_exception ((MonoException *) exc);
2092 klass = delegate->object.vtable->klass;
2094 method = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2096 method = mono_get_delegate_invoke (klass);
2099 return mono_threadpool_ms_begin_invoke (mono_domain_get (), (MonoObject*) delegate, method, params);
2105 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2107 int i, params_var, tmp_var;
2109 /* allocate local (pointer) *params[] */
2110 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2111 /* allocate local (pointer) tmp */
2112 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2114 /* alloate space on stack to store an array of pointers to the arguments */
2115 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2116 mono_mb_emit_byte (mb, CEE_PREFIX1);
2117 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2118 mono_mb_emit_stloc (mb, params_var);
2121 mono_mb_emit_ldloc (mb, params_var);
2122 mono_mb_emit_stloc (mb, tmp_var);
2124 if (save_this && sig->hasthis) {
2125 mono_mb_emit_ldloc (mb, tmp_var);
2126 mono_mb_emit_ldarg_addr (mb, 0);
2127 mono_mb_emit_byte (mb, CEE_STIND_I);
2128 /* tmp = tmp + sizeof (gpointer) */
2129 if (sig->param_count)
2130 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2134 for (i = 0; i < sig->param_count; i++) {
2135 mono_mb_emit_ldloc (mb, tmp_var);
2136 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2137 mono_mb_emit_byte (mb, CEE_STIND_I);
2138 /* tmp = tmp + sizeof (gpointer) */
2139 if (i < (sig->param_count - 1))
2140 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2146 #endif /* DISABLE_JIT */
2149 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2153 GString *res = g_string_new ("");
2156 g_string_append (res, prefix);
2157 g_string_append_c (res, '_');
2160 mono_type_get_desc (res, sig->ret, FALSE);
2163 g_string_append (res, "__this__");
2165 for (i = 0; i < sig->param_count; ++i) {
2166 g_string_append_c (res, '_');
2167 mono_type_get_desc (res, sig->params [i], FALSE);
2170 g_string_free (res, FALSE);
2175 * mono_marshal_get_string_encoding:
2177 * Return the string encoding which should be used for a given parameter.
2179 static MonoMarshalNative
2180 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2182 /* First try the parameter marshal info */
2184 if (spec->native == MONO_NATIVE_LPARRAY) {
2185 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2186 return spec->data.array_data.elem_type;
2189 return spec->native;
2193 return MONO_NATIVE_LPSTR;
2195 /* Then try the method level marshal info */
2196 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2197 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2198 return MONO_NATIVE_LPSTR;
2199 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2200 return MONO_NATIVE_LPWSTR;
2201 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2203 return MONO_NATIVE_LPWSTR;
2205 return MONO_NATIVE_LPSTR;
2208 return MONO_NATIVE_LPSTR;
2212 static MonoMarshalConv
2213 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2215 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2218 case MONO_NATIVE_LPWSTR:
2219 return MONO_MARSHAL_CONV_STR_LPWSTR;
2220 case MONO_NATIVE_LPSTR:
2221 case MONO_NATIVE_VBBYREFSTR:
2222 return MONO_MARSHAL_CONV_STR_LPSTR;
2223 case MONO_NATIVE_LPTSTR:
2224 return MONO_MARSHAL_CONV_STR_LPTSTR;
2225 case MONO_NATIVE_BSTR:
2226 return MONO_MARSHAL_CONV_STR_BSTR;
2232 static MonoMarshalConv
2233 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2235 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2238 case MONO_NATIVE_LPWSTR:
2239 return MONO_MARSHAL_CONV_SB_LPWSTR;
2241 case MONO_NATIVE_LPSTR:
2242 return MONO_MARSHAL_CONV_SB_LPSTR;
2244 case MONO_NATIVE_LPTSTR:
2245 return MONO_MARSHAL_CONV_SB_LPTSTR;
2252 static MonoMarshalConv
2253 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2255 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2260 case MONO_NATIVE_LPWSTR:
2262 return MONO_MARSHAL_CONV_LPWSTR_STR;
2263 case MONO_NATIVE_LPSTR:
2264 case MONO_NATIVE_VBBYREFSTR:
2265 return MONO_MARSHAL_CONV_LPSTR_STR;
2266 case MONO_NATIVE_LPTSTR:
2267 return MONO_MARSHAL_CONV_LPTSTR_STR;
2268 case MONO_NATIVE_BSTR:
2269 return MONO_MARSHAL_CONV_BSTR_STR;
2275 static MonoMarshalConv
2276 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2278 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2283 case MONO_NATIVE_LPWSTR:
2285 * mono_string_builder_to_utf16 does not allocate a
2286 * new buffer, so no need to free it.
2289 return MONO_MARSHAL_CONV_LPWSTR_SB;
2290 case MONO_NATIVE_LPSTR:
2291 return MONO_MARSHAL_CONV_LPSTR_SB;
2293 case MONO_NATIVE_LPTSTR:
2294 return MONO_MARSHAL_CONV_LPTSTR_SB;
2302 * Return whenever a field of a native structure or an array member needs to
2306 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2308 MonoMarshalNative encoding;
2311 case MONO_TYPE_VALUETYPE:
2312 /* FIXME: Optimize this */
2314 case MONO_TYPE_OBJECT:
2315 case MONO_TYPE_CLASS:
2316 if (t->data.klass == mono_defaults.stringbuilder_class) {
2318 mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2322 case MONO_TYPE_STRING:
2323 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2324 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2331 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2334 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2337 mono_marshal_lock ();
2340 g_hash_table_new (hash_func, equal_func);
2341 mono_memory_barrier ();
2344 mono_marshal_unlock ();
2350 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2352 return get_cache (var, hash_func, equal_func);
2356 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2360 mono_marshal_lock ();
2361 res = g_hash_table_lookup (cache, key);
2362 mono_marshal_unlock ();
2369 * Create a MonoMethod from MB, set INFO as wrapper info.
2372 mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
2373 int max_stack, WrapperInfo *info)
2377 res = mono_mb_create_method (mb, sig, max_stack);
2379 mono_marshal_set_wrapper_info (res, info);
2383 /* Create the method from the builder and place it in the cache */
2385 mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
2386 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2387 int max_stack, WrapperInfo *info, gboolean *out_found)
2394 mono_marshal_lock ();
2395 res = g_hash_table_lookup (cache, key);
2396 mono_marshal_unlock ();
2399 newm = mono_mb_create_method (mb, sig, max_stack);
2400 mono_marshal_lock ();
2401 res = g_hash_table_lookup (cache, key);
2404 g_hash_table_insert (cache, key, res);
2406 mono_marshal_set_wrapper_info (res, info);
2408 mono_marshal_set_wrapper_info (res, key);
2409 mono_marshal_unlock ();
2413 mono_marshal_unlock ();
2414 mono_free_method (newm);
2422 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2423 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2426 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
2430 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2433 int wrapper_type = wrapper->wrapper_type;
2436 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2439 switch (wrapper_type) {
2440 case MONO_WRAPPER_REMOTING_INVOKE:
2441 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2442 case MONO_WRAPPER_XDOMAIN_INVOKE:
2443 case MONO_WRAPPER_SYNCHRONIZED:
2444 case MONO_WRAPPER_UNBOX:
2445 res = mono_marshal_get_wrapper_info (wrapper);
2448 if (wrapper->is_inflated) {
2452 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2453 * contains an uninflated method.
2455 result = mono_class_inflate_generic_method_checked (res, mono_method_get_context (wrapper), &error);
2456 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2460 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2461 info = mono_marshal_get_wrapper_info (wrapper);
2462 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2463 return info->d.managed_to_native.method;
2466 case MONO_WRAPPER_RUNTIME_INVOKE:
2467 info = mono_marshal_get_wrapper_info (wrapper);
2468 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2469 return info->d.runtime_invoke.method;
2478 * mono_marshal_get_wrapper_info:
2480 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2481 * returned depends on the wrapper type. It is usually a method, a class, or a
2482 * WrapperInfo structure.
2485 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2487 g_assert (wrapper->wrapper_type);
2489 return mono_method_get_wrapper_data (wrapper, 1);
2493 * mono_marshal_set_wrapper_info:
2495 * Store an arbitrary pointer inside the wrapper which is retrievable by
2496 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2497 * wrapper (method->wrapper_type).
2500 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2504 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2507 datav = ((MonoMethodWrapper *)method)->method_data;
2512 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
2516 info = mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
2517 info->subtype = subtype;
2522 * get_wrapper_target_class:
2524 * Return the class where a wrapper method should be placed.
2527 get_wrapper_target_class (MonoImage *image)
2534 * - can't put all wrappers into an mscorlib class, because they reference
2535 * metadata (signature) so they should be put into the same image as the
2536 * method they wrap, so they are unloaded together.
2537 * - putting them into a class with a type initalizer could cause the
2538 * initializer to be executed which can be a problem if the wrappers are
2540 * - putting them into an inflated class can cause problems if the the
2541 * class is deleted because it references an image which is unloaded.
2542 * To avoid these problems, we put the wrappers into the <Module> class of
2545 if (image_is_dynamic (image)) {
2546 klass = ((MonoDynamicImage*)image)->wrappers_type;
2548 klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
2549 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2557 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2558 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2562 * check_generic_wrapper_cache:
2564 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2565 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2566 * generic method definition.
2569 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2572 MonoMethod *inst, *def;
2573 MonoGenericContext *ctx;
2575 g_assert (orig_method->is_inflated);
2576 ctx = mono_method_get_context (orig_method);
2579 * Look for the instance
2581 res = mono_marshal_find_in_cache (cache, key);
2586 * Look for the definition
2588 def = mono_marshal_find_in_cache (cache, def_key);
2591 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2592 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2594 mono_memory_barrier ();
2595 mono_marshal_lock ();
2596 res = g_hash_table_lookup (cache, key);
2598 g_hash_table_insert (cache, key, inst);
2601 mono_marshal_unlock ();
2608 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2611 MonoMethod *inst, *res;
2614 * We use the same cache for the generic definition and the instances.
2616 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2617 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2618 mono_memory_barrier ();
2619 mono_marshal_lock ();
2620 res = g_hash_table_lookup (cache, key);
2622 g_hash_table_insert (cache, key, inst);
2625 mono_marshal_unlock ();
2630 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2634 MonoMethod *inst, *def;
2637 * Look for the instance
2639 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2644 * Look for the definition
2646 def = mono_marshal_find_in_cache (cache, def_method->klass);
2648 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2649 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2652 mono_memory_barrier ();
2653 mono_marshal_lock ();
2654 res = g_hash_table_lookup (cache, orig_method->klass);
2656 g_hash_table_insert (cache, orig_method->klass, inst);
2659 mono_marshal_unlock ();
2666 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2669 MonoMethod *inst, *res;
2672 * We use the same cache for the generic definition and the instances.
2674 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2675 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2677 mono_memory_barrier ();
2678 mono_marshal_lock ();
2679 res = g_hash_table_lookup (cache, orig_method->klass);
2681 g_hash_table_insert (cache, orig_method->klass, inst);
2684 mono_marshal_unlock ();
2689 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2691 MonoMethodSignature *sig;
2692 MonoMethodBuilder *mb;
2697 MonoGenericContext *ctx = NULL;
2698 MonoMethod *orig_method = NULL;
2700 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2701 !strcmp (method->name, "BeginInvoke"));
2704 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2706 if (method->is_inflated) {
2707 orig_method = method;
2708 ctx = &((MonoMethodInflated*)method)->context;
2709 method = ((MonoMethodInflated*)method)->declaring;
2712 sig = mono_signature_no_pinvoke (method);
2718 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_begin_invoke_cache, mono_aligned_addr_hash, NULL);
2719 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2723 cache = get_cache (&method->klass->image->wrapper_caches.delegate_begin_invoke_cache,
2724 (GHashFunc)mono_signature_hash,
2725 (GCompareFunc)mono_metadata_signature_equal);
2726 if ((res = mono_marshal_find_in_cache (cache, sig)))
2730 g_assert (sig->hasthis);
2732 name = mono_signature_to_name (sig, "begin_invoke");
2734 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2736 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2740 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2742 mono_mb_emit_ldarg (mb, 0);
2743 mono_mb_emit_ldloc (mb, params_var);
2744 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2745 mono_mb_emit_byte (mb, CEE_RET);
2750 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2751 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2753 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2761 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2763 MonoDomain *domain = mono_domain_get ();
2764 MonoAsyncResult *ares;
2765 MonoMethod *method = NULL;
2766 MonoMethodSignature *sig;
2767 MonoMethodMessage *msg;
2768 MonoObject *res, *exc;
2769 MonoArray *out_args;
2772 g_assert (delegate);
2774 if (!delegate->method_info) {
2775 g_assert (delegate->method);
2776 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2779 if (!delegate->method_info || !delegate->method_info->method)
2780 g_assert_not_reached ();
2782 klass = delegate->object.vtable->klass;
2784 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2785 g_assert (method != NULL);
2787 sig = mono_signature_no_pinvoke (method);
2789 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2791 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2793 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingException", "The async result object is null or of an unexpected type."));
2797 if (ares->async_delegate != (MonoObject*)delegate) {
2798 mono_raise_exception (mono_get_exception_invalid_operation (
2799 "The IAsyncResult object provided does not match this delegate."));
2803 #ifndef DISABLE_REMOTING
2804 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2805 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2806 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2807 mono_message_init (domain, msg, delegate->method_info, NULL);
2808 msg->call_type = CallType_EndInvoke;
2809 MONO_OBJECT_SETREF (msg, async_result, ares);
2810 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2814 res = mono_threadpool_ms_end_invoke (ares, &out_args, &exc);
2818 if (((MonoException*)exc)->stack_trace) {
2819 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2821 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2823 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2826 mono_raise_exception ((MonoException*)exc);
2829 mono_method_return_message_restore (method, params, out_args);
2836 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2838 MonoType *t = mono_type_get_underlying_type (return_type);
2840 if (return_type->byref)
2841 return_type = &mono_defaults.int_class->byval_arg;
2844 case MONO_TYPE_VOID:
2845 g_assert_not_reached ();
2848 case MONO_TYPE_STRING:
2849 case MONO_TYPE_CLASS:
2850 case MONO_TYPE_OBJECT:
2851 case MONO_TYPE_ARRAY:
2852 case MONO_TYPE_SZARRAY:
2856 case MONO_TYPE_BOOLEAN:
2859 case MONO_TYPE_CHAR:
2869 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2870 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2872 case MONO_TYPE_GENERICINST:
2873 if (!mono_type_generic_inst_is_valuetype (t))
2876 case MONO_TYPE_VALUETYPE: {
2877 MonoClass *klass = mono_class_from_mono_type (return_type);
2878 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2879 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2883 case MONO_TYPE_MVAR: {
2884 MonoClass *klass = mono_class_from_mono_type (return_type);
2885 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
2889 g_warning ("type 0x%x not handled", return_type->type);
2890 g_assert_not_reached ();
2893 mono_mb_emit_byte (mb, CEE_RET);
2896 #endif /* DISABLE_JIT */
2899 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2901 MonoMethodSignature *sig;
2902 MonoMethodBuilder *mb;
2907 MonoGenericContext *ctx = NULL;
2908 MonoMethod *orig_method = NULL;
2910 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2911 !strcmp (method->name, "EndInvoke"));
2914 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2916 if (method->is_inflated) {
2917 orig_method = method;
2918 ctx = &((MonoMethodInflated*)method)->context;
2919 method = ((MonoMethodInflated*)method)->declaring;
2922 sig = mono_signature_no_pinvoke (method);
2928 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_end_invoke_cache, mono_aligned_addr_hash, NULL);
2929 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2933 cache = get_cache (&method->klass->image->wrapper_caches.delegate_end_invoke_cache,
2934 (GHashFunc)mono_signature_hash,
2935 (GCompareFunc)mono_metadata_signature_equal);
2936 if ((res = mono_marshal_find_in_cache (cache, sig)))
2940 g_assert (sig->hasthis);
2942 name = mono_signature_to_name (sig, "end_invoke");
2944 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2946 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2950 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2952 mono_mb_emit_ldarg (mb, 0);
2953 mono_mb_emit_ldloc (mb, params_var);
2954 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2956 if (sig->ret->type == MONO_TYPE_VOID) {
2957 mono_mb_emit_byte (mb, CEE_POP);
2958 mono_mb_emit_byte (mb, CEE_RET);
2960 mono_mb_emit_restore_result (mb, sig->ret);
2965 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2966 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2968 res = mono_mb_create_and_cache (cache, sig,
2969 mb, sig, sig->param_count + 16);
2978 MonoMethodSignature *sig;
2980 } SignaturePointerPair;
2983 signature_pointer_pair_hash (gconstpointer data)
2985 SignaturePointerPair *pair = (SignaturePointerPair*)data;
2987 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->pointer);
2991 signature_pointer_pair_equal (gconstpointer data1, gconstpointer data2)
2993 SignaturePointerPair *pair1 = (SignaturePointerPair*) data1, *pair2 = (SignaturePointerPair*) data2;
2994 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->pointer == pair2->pointer);
2998 signature_pointer_pair_matches_pointer (gpointer key, gpointer value, gpointer user_data)
3000 SignaturePointerPair *pair = (SignaturePointerPair*)key;
3002 return pair->pointer == user_data;
3006 free_signature_pointer_pair (SignaturePointerPair *pair)
3011 static MonoMethodSignature*
3012 sig_to_rgctx_sig (MonoMethodSignature *sig)
3014 // FIXME: memory allocation
3015 MonoMethodSignature *res;
3018 res = g_malloc (MONO_SIZEOF_METHOD_SIGNATURE + (sig->param_count + 1) * sizeof (MonoType*));
3019 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
3020 res->param_count = sig->param_count + 1;
3021 for (i = 0; i < sig->param_count; ++i)
3022 res->params [i] = sig->params [i];
3023 res->params [sig->param_count] = &mono_defaults.int_class->byval_arg;
3028 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
3030 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3032 MonoMethodBuilder *mb;
3035 gpointer cache_key = NULL;
3036 SignaturePointerPair key;
3037 SignaturePointerPair *new_key;
3038 int local_i, local_len, local_delegates, local_d, local_target, local_res;
3039 int pos0, pos1, pos2, pos3, pos4;
3041 MonoClass *target_class = NULL;
3042 gboolean closed_over_null = FALSE;
3043 MonoGenericContext *ctx = NULL;
3044 MonoGenericContainer *container = NULL;
3045 MonoMethod *orig_method = NULL;
3047 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
3051 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3052 !strcmp (method->name, "Invoke"));
3054 invoke_sig = sig = mono_signature_no_pinvoke (method);
3057 * If the delegate target is null, and the target method is not static, a virtual
3058 * call is made to that method with the first delegate argument as this. This is
3059 * a non-documented .NET feature.
3062 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
3063 if (target_method->is_inflated) {
3064 MonoType *target_type;
3066 g_assert (method->signature->hasthis);
3067 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3068 mono_method_get_context (method));
3069 target_class = mono_class_from_mono_type (target_type);
3071 target_class = target_method->klass;
3074 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
3077 if (static_method_with_first_arg_bound) {
3078 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
3079 g_assert (!callvirt);
3080 invoke_sig = mono_method_signature (target_method);
3084 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
3086 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
3087 orig_method = method;
3088 ctx = &((MonoMethodInflated*)method)->context;
3089 method = ((MonoMethodInflated*)method)->declaring;
3091 container = mono_method_get_generic_container (method);
3093 container = method->klass->generic_container;
3094 g_assert (container);
3096 invoke_sig = sig = mono_signature_no_pinvoke (method);
3103 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_invoke_cache, mono_aligned_addr_hash, NULL);
3104 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3107 cache_key = method->klass;
3108 } else if (static_method_with_first_arg_bound) {
3109 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
3110 (GHashFunc)mono_signature_hash,
3111 (GCompareFunc)mono_metadata_signature_equal);
3113 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
3115 res = mono_marshal_find_in_cache (cache, invoke_sig);
3118 cache_key = invoke_sig;
3119 } else if (callvirt) {
3120 GHashTable **cache_ptr;
3122 cache_ptr = &mono_method_get_wrapper_cache (method)->delegate_abstract_invoke_cache;
3124 /* We need to cache the signature+method pair */
3125 mono_marshal_lock ();
3127 *cache_ptr = g_hash_table_new_full (signature_pointer_pair_hash, (GEqualFunc)signature_pointer_pair_equal, (GDestroyNotify)free_signature_pointer_pair, NULL);
3129 key.sig = invoke_sig;
3130 key.pointer = target_method;
3131 res = g_hash_table_lookup (cache, &key);
3132 mono_marshal_unlock ();
3136 // Inflated methods should not be in this cache because it's not stored on the imageset.
3137 g_assert (!method->is_inflated);
3138 cache = get_cache (&method->klass->image->wrapper_caches.delegate_invoke_cache,
3139 (GHashFunc)mono_signature_hash,
3140 (GCompareFunc)mono_metadata_signature_equal);
3141 res = mono_marshal_find_in_cache (cache, sig);
3147 static_sig = mono_metadata_signature_dup_full (method->klass->image, sig);
3148 static_sig->hasthis = 0;
3149 if (!static_method_with_first_arg_bound)
3150 invoke_sig = static_sig;
3152 if (static_method_with_first_arg_bound)
3153 name = mono_signature_to_name (invoke_sig, "invoke_bound");
3154 else if (closed_over_null)
3155 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
3157 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
3159 name = mono_signature_to_name (invoke_sig, "invoke");
3161 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3163 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3167 void_ret = sig->ret->type == MONO_TYPE_VOID && !method->string_ctor;
3169 /* allocate local 0 (object) */
3170 local_i = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3171 local_len = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3172 local_delegates = mono_mb_add_local (mb, &mono_defaults.array_class->byval_arg);
3173 local_d = mono_mb_add_local (mb, &mono_defaults.multicastdelegate_class->byval_arg);
3174 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3177 local_res = mono_mb_add_local (mb, &mono_class_from_mono_type (sig->ret)->byval_arg);
3179 g_assert (sig->hasthis);
3182 * {type: sig->ret} res;
3183 * if (delegates == null) {
3184 * return this.<target> ( args .. );
3186 * int i = 0, len = this.delegates.Length;
3188 * res = this.delegates [i].Invoke ( args .. );
3189 * } while (++i < len);
3194 /* this wrapper can be used in unmanaged-managed transitions */
3195 emit_thread_interrupt_checkpoint (mb);
3197 /* delegates = this.delegates */
3198 mono_mb_emit_ldarg (mb, 0);
3199 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, delegates));
3200 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3201 mono_mb_emit_stloc (mb, local_delegates);
3204 /* if (delegates == null) */
3205 mono_mb_emit_ldloc (mb, local_delegates);
3206 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
3208 /* return target.<target_method|method_ptr> ( args .. ); */
3210 /* target = d.target; */
3211 mono_mb_emit_ldarg (mb, 0);
3212 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
3213 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3214 mono_mb_emit_stloc (mb, local_target);
3216 /*static methods with bound first arg can have null target and still be bound*/
3217 if (!static_method_with_first_arg_bound) {
3218 /* if target != null */
3219 mono_mb_emit_ldloc (mb, local_target);
3220 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3222 /* then call this->method_ptr nonstatic */
3225 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3227 MonoMethodSignature *rgctx_sig;
3229 // FIXME: Support this for the other cases as well
3230 mono_mb_emit_ldarg (mb, 0);
3231 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3232 mono_mb_emit_byte (mb, CEE_LDIND_I);
3233 pos3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3236 rgctx_sig = sig_to_rgctx_sig (sig);
3238 mono_mb_emit_ldloc (mb, local_target);
3239 for (i = 0; i < sig->param_count; ++i)
3240 mono_mb_emit_ldarg (mb, i + 1);
3241 mono_mb_emit_ldarg (mb, 0);
3242 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3243 mono_mb_emit_byte (mb, CEE_LDIND_I);
3244 mono_mb_emit_ldarg (mb, 0);
3245 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3246 mono_mb_emit_byte (mb, CEE_LDIND_I);
3247 mono_mb_emit_op (mb, CEE_CALLI, rgctx_sig);
3248 pos4 = mono_mb_emit_branch (mb, CEE_BR);
3250 /* Non-rgctx case */
3251 mono_mb_patch_branch (mb, pos3);
3252 mono_mb_emit_ldloc (mb, local_target);
3253 for (i = 0; i < sig->param_count; ++i)
3254 mono_mb_emit_ldarg (mb, i + 1);
3255 mono_mb_emit_ldarg (mb, 0);
3256 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3257 mono_mb_emit_byte (mb, CEE_LDIND_I );
3258 mono_mb_emit_op (mb, CEE_CALLI, sig);
3260 mono_mb_patch_branch (mb, pos4);
3262 mono_mb_emit_byte (mb, CEE_RET);
3265 /* else [target == null] call this->method_ptr static */
3266 mono_mb_patch_branch (mb, pos0);
3270 if (!closed_over_null) {
3271 if (target_class->valuetype) {
3272 mono_mb_emit_ldarg (mb, 1);
3273 for (i = 1; i < sig->param_count; ++i)
3274 mono_mb_emit_ldarg (mb, i + 1);
3275 mono_mb_emit_op (mb, CEE_CALL, target_method);
3277 mono_mb_emit_ldarg (mb, 1);
3278 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3279 for (i = 1; i < sig->param_count; ++i)
3280 mono_mb_emit_ldarg (mb, i + 1);
3281 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3284 mono_mb_emit_byte (mb, CEE_LDNULL);
3285 for (i = 0; i < sig->param_count; ++i)
3286 mono_mb_emit_ldarg (mb, i + 1);
3287 mono_mb_emit_op (mb, CEE_CALL, target_method);
3290 MonoMethodSignature *rgctx_sig;
3292 mono_mb_emit_ldarg (mb, 0);
3293 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3294 mono_mb_emit_byte (mb, CEE_LDIND_I);
3295 pos3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3298 rgctx_sig = sig_to_rgctx_sig (invoke_sig);
3300 if (static_method_with_first_arg_bound) {
3301 mono_mb_emit_ldloc (mb, local_target);
3302 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3303 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3305 for (i = 0; i < sig->param_count; ++i)
3306 mono_mb_emit_ldarg (mb, i + 1);
3307 mono_mb_emit_ldarg (mb, 0);
3308 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3309 mono_mb_emit_byte (mb, CEE_LDIND_I);
3310 mono_mb_emit_ldarg (mb, 0);
3311 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3312 mono_mb_emit_byte (mb, CEE_LDIND_I);
3313 mono_mb_emit_op (mb, CEE_CALLI, rgctx_sig);
3314 pos4 = mono_mb_emit_branch (mb, CEE_BR);
3316 /* Non-rgctx case */
3317 mono_mb_patch_branch (mb, pos3);
3318 if (static_method_with_first_arg_bound) {
3319 mono_mb_emit_ldloc (mb, local_target);
3320 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3321 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3323 for (i = 0; i < sig->param_count; ++i)
3324 mono_mb_emit_ldarg (mb, i + 1);
3325 mono_mb_emit_ldarg (mb, 0);
3326 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3327 mono_mb_emit_byte (mb, CEE_LDIND_I);
3328 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
3330 mono_mb_patch_branch (mb, pos4);
3333 mono_mb_emit_byte (mb, CEE_RET);
3335 /* else [delegates != null] */
3336 mono_mb_patch_branch (mb, pos2);
3338 /* len = delegates.Length; */
3339 mono_mb_emit_ldloc (mb, local_delegates);
3340 mono_mb_emit_byte (mb, CEE_LDLEN);
3341 mono_mb_emit_byte (mb, CEE_CONV_I4);
3342 mono_mb_emit_stloc (mb, local_len);
3345 mono_mb_emit_icon (mb, 0);
3346 mono_mb_emit_stloc (mb, local_i);
3348 pos1 = mono_mb_get_label (mb);
3350 /* d = delegates [i]; */
3351 mono_mb_emit_ldloc (mb, local_delegates);
3352 mono_mb_emit_ldloc (mb, local_i);
3353 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3354 mono_mb_emit_stloc (mb, local_d);
3356 /* res = d.Invoke ( args .. ); */
3357 mono_mb_emit_ldloc (mb, local_d);
3358 for (i = 0; i < sig->param_count; i++)
3359 mono_mb_emit_ldarg (mb, i + 1);
3361 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3364 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method_checked (method, &container->context, &error));
3365 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3368 mono_mb_emit_stloc (mb, local_res);
3371 mono_mb_emit_add_to_local (mb, local_i, 1);
3374 mono_mb_emit_ldloc (mb, local_i);
3375 mono_mb_emit_ldloc (mb, local_len);
3376 mono_mb_emit_branch_label (mb, CEE_BLT, pos1);
3380 mono_mb_emit_ldloc (mb, local_res);
3381 mono_mb_emit_byte (mb, CEE_RET);
3383 mb->skip_visibility = 1;
3384 #endif /* DISABLE_JIT */
3389 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
3390 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3391 } else if (callvirt) {
3392 new_key = g_new0 (SignaturePointerPair, 1);
3395 info = mono_wrapper_info_create (mb, subtype);
3397 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
3401 info = mono_wrapper_info_create (mb, subtype);
3403 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3407 /* mono_method_print_code (res); */
3413 * the returned method invokes all methods in a multicast delegate.
3416 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3418 gboolean callvirt = FALSE;
3419 gboolean static_method_with_first_arg_bound = FALSE;
3420 MonoMethod *target_method = NULL;
3421 MonoMethodSignature *sig;
3423 sig = mono_signature_no_pinvoke (method);
3425 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3427 target_method = del->method;
3430 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3431 static_method_with_first_arg_bound = TRUE;
3432 target_method = del->method;
3435 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
3439 MonoMethodSignature *ctor_sig;
3440 MonoMethodSignature *sig;
3443 /* protected by the marshal lock, contains CtorSigPair pointers */
3444 static GSList *strsig_list = NULL;
3446 static MonoMethodSignature *
3447 lookup_string_ctor_signature (MonoMethodSignature *sig)
3449 MonoMethodSignature *callsig;
3453 mono_marshal_lock ();
3455 for (item = strsig_list; item; item = item->next) {
3457 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3458 * because it is lock-free.
3460 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3465 mono_marshal_unlock ();
3469 static MonoMethodSignature *
3470 add_string_ctor_signature (MonoMethod *method)
3472 MonoMethodSignature *callsig;
3475 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3476 callsig->ret = &mono_defaults.string_class->byval_arg;
3477 cs = g_new (CtorSigPair, 1);
3479 cs->ctor_sig = mono_method_signature (method);
3481 mono_marshal_lock ();
3482 strsig_list = g_slist_prepend (strsig_list, cs);
3483 mono_marshal_unlock ();
3488 * mono_marshal_get_string_ctor_signature:
3490 * Return the modified signature used by string ctors (they return the newly created
3493 MonoMethodSignature*
3494 mono_marshal_get_string_ctor_signature (MonoMethod *method)
3496 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
3498 sig = add_string_ctor_signature (method);
3504 get_runtime_invoke_type (MonoType *t, gboolean ret)
3507 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
3509 /* Can't share this with 'I' as that needs another indirection */
3510 return &mono_defaults.int_class->this_arg;
3513 if (MONO_TYPE_IS_REFERENCE (t))
3514 return &mono_defaults.object_class->byval_arg;
3517 /* The result needs to be boxed */
3522 /* Can't share these as the argument needs to be loaded using sign/zero extension */
3525 return &mono_defaults.sbyte_class->byval_arg;
3527 return &mono_defaults.int16_class->byval_arg;
3529 return &mono_defaults.int32_class->byval_arg;
3532 return &mono_defaults.int64_class->byval_arg;
3533 case MONO_TYPE_BOOLEAN:
3534 return &mono_defaults.byte_class->byval_arg;
3535 case MONO_TYPE_CHAR:
3536 return &mono_defaults.uint16_class->byval_arg;
3539 return &mono_defaults.int_class->byval_arg;
3540 case MONO_TYPE_VALUETYPE:
3541 if (t->data.klass->enumtype) {
3542 t = mono_class_enum_basetype (t->data.klass);
3552 * mono_marshal_get_runtime_invoke_sig:
3554 * Return a common signature used for sharing runtime invoke wrappers.
3556 static MonoMethodSignature*
3557 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3559 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3562 res->generic_param_count = 0;
3563 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3564 for (i = 0; i < res->param_count; ++i)
3565 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3571 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3573 /* Can't share wrappers which return a vtype since it needs to be boxed */
3574 if (sig1->ret != sig2->ret && !(MONO_TYPE_IS_REFERENCE (sig1->ret) && MONO_TYPE_IS_REFERENCE (sig2->ret)) && !mono_metadata_type_equal (sig1->ret, sig2->ret))
3577 return mono_metadata_signature_equal (sig1, sig2);
3585 * Emit the call to the wrapper method from a runtime invoke wrapper.
3588 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
3589 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3591 gboolean virtual, gboolean need_direct_wrapper)
3593 static MonoString *string_dummy = NULL;
3595 int *tmp_nullable_locals;
3596 gboolean void_ret = FALSE;
3598 /* to make it work with our special string constructors */
3599 if (!string_dummy) {
3600 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy, MONO_ROOT_SOURCE_MARSHAL, "dummy marshal string");
3601 string_dummy = mono_string_new_wrapper ("dummy");
3605 g_assert (sig->hasthis);
3606 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
3610 if (method->string_ctor) {
3611 if (mono_gc_is_moving ()) {
3612 mono_mb_emit_ptr (mb, &string_dummy);
3613 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3615 mono_mb_emit_ptr (mb, string_dummy);
3618 mono_mb_emit_ldarg (mb, 0);
3622 tmp_nullable_locals = g_new0 (int, sig->param_count);
3624 for (i = 0; i < sig->param_count; i++) {
3625 MonoType *t = sig->params [i];
3628 mono_mb_emit_ldarg (mb, 1);
3630 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3631 mono_mb_emit_byte (mb, CEE_ADD);
3635 mono_mb_emit_byte (mb, CEE_LDIND_I);
3636 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
3637 * So to make this work we unbox it to a local variablee and push a reference to that.
3639 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3640 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
3642 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
3643 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
3644 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
3649 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
3650 type = sig->params [i]->type;
3654 case MONO_TYPE_BOOLEAN:
3658 case MONO_TYPE_CHAR:
3667 mono_mb_emit_byte (mb, CEE_LDIND_I);
3668 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3670 case MONO_TYPE_STRING:
3671 case MONO_TYPE_CLASS:
3672 case MONO_TYPE_ARRAY:
3674 case MONO_TYPE_SZARRAY:
3675 case MONO_TYPE_OBJECT:
3676 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3678 case MONO_TYPE_GENERICINST:
3679 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
3680 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3685 case MONO_TYPE_VALUETYPE:
3686 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
3687 type = mono_class_enum_basetype (t->data.klass)->type;
3690 mono_mb_emit_byte (mb, CEE_LDIND_I);
3691 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
3692 /* Need to convert a boxed vtype to an mp to a Nullable struct */
3693 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
3694 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
3696 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
3700 g_assert_not_reached ();
3705 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3706 } else if (need_direct_wrapper) {
3707 mono_mb_emit_op (mb, CEE_CALL, method);
3709 mono_mb_emit_ldarg (mb, 3);
3710 mono_mb_emit_calli (mb, callsig);
3713 if (sig->ret->byref) {
3715 g_assert_not_reached ();
3718 switch (sig->ret->type) {
3719 case MONO_TYPE_VOID:
3720 if (!method->string_ctor)
3723 case MONO_TYPE_BOOLEAN:
3724 case MONO_TYPE_CHAR:
3737 case MONO_TYPE_VALUETYPE:
3738 case MONO_TYPE_TYPEDBYREF:
3739 case MONO_TYPE_GENERICINST:
3740 /* box value types */
3741 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
3743 case MONO_TYPE_STRING:
3744 case MONO_TYPE_CLASS:
3745 case MONO_TYPE_ARRAY:
3746 case MONO_TYPE_SZARRAY:
3747 case MONO_TYPE_OBJECT:
3751 /* The result is an IntPtr */
3752 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
3755 g_assert_not_reached ();
3759 mono_mb_emit_stloc (mb, loc_res);
3761 /* Convert back nullable-byref arguments */
3762 for (i = 0; i < sig->param_count; i++) {
3763 MonoType *t = sig->params [i];
3766 * Box the result and put it back into the array, the caller will have
3767 * to obtain it from there.
3769 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3770 mono_mb_emit_ldarg (mb, 1);
3771 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3772 mono_mb_emit_byte (mb, CEE_ADD);
3774 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
3775 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
3777 mono_mb_emit_byte (mb, CEE_STIND_REF);
3781 g_free (tmp_nullable_locals);
3785 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
3786 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3787 gboolean virtual, gboolean need_direct_wrapper)
3790 MonoExceptionClause *clause;
3791 int loc_res, loc_exc;
3793 /* The wrapper looks like this:
3799 * } catch (Exception e) {
3807 /* allocate local 0 (object) tmp */
3808 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3809 /* allocate local 1 (object) exc */
3810 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3812 /* *exc is assumed to be initialized to NULL by the caller */
3814 mono_mb_emit_byte (mb, CEE_LDARG_2);
3815 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
3820 labels [1] = mono_mb_get_label (mb);
3821 emit_thread_force_interrupt_checkpoint (mb);
3822 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
3824 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
3826 /* Add a try clause around the call */
3827 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
3828 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3829 clause->data.catch_class = mono_defaults.exception_class;
3830 clause->try_offset = labels [1];
3831 clause->try_len = mono_mb_get_label (mb) - labels [1];
3833 clause->handler_offset = mono_mb_get_label (mb);
3836 mono_mb_emit_stloc (mb, loc_exc);
3837 mono_mb_emit_byte (mb, CEE_LDARG_2);
3838 mono_mb_emit_ldloc (mb, loc_exc);
3839 mono_mb_emit_byte (mb, CEE_STIND_REF);
3841 mono_mb_emit_branch (mb, CEE_LEAVE);
3843 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
3845 mono_mb_set_clauses (mb, 1, clause);
3847 mono_mb_patch_branch (mb, labels [2]);
3848 mono_mb_emit_ldloc (mb, loc_res);
3849 mono_mb_emit_byte (mb, CEE_RET);
3854 mono_mb_patch_branch (mb, labels [0]);
3855 emit_thread_force_interrupt_checkpoint (mb);
3856 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
3858 mono_mb_emit_ldloc (mb, 0);
3859 mono_mb_emit_byte (mb, CEE_RET);
3864 * generates IL code for the runtime invoke function
3865 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3867 * we also catch exceptions if exc != null
3868 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
3869 * it means that the compiled code for METHOD does not have to be looked up
3870 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
3871 * its METHOD argument.
3872 * If PASS_RGCTX is TRUE, the signature of the called method is changed to include a 'gpointer rgctx' as the
3873 * first argument (after 'this').
3876 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual, gboolean pass_rgctx)
3878 MonoMethodSignature *sig, *csig, *callsig;
3879 MonoMethodBuilder *mb;
3880 GHashTable *cache = NULL;
3881 MonoClass *target_klass;
3882 MonoMethod *res = NULL;
3883 static MonoMethodSignature *cctor_signature = NULL;
3884 static MonoMethodSignature *finalize_signature = NULL;
3886 const char *param_names [16];
3887 gboolean need_direct_wrapper = FALSE;
3892 if (!cctor_signature) {
3893 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3894 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
3896 if (!finalize_signature) {
3897 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3898 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
3899 finalize_signature->hasthis = 1;
3903 need_direct_wrapper = TRUE;
3906 * Use a separate cache indexed by methods to speed things up and to avoid the
3907 * boundless mempool growth caused by the signature_dup stuff below.
3910 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
3912 cache = get_cache (&mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
3914 res = mono_marshal_find_in_cache (cache, method);
3918 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
3919 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
3921 * Array Get/Set/Address methods. The JIT implements them using inline code
3922 * so we need to create an invoke wrapper which calls the method directly.
3924 need_direct_wrapper = TRUE;
3927 if (method->string_ctor) {
3928 callsig = lookup_string_ctor_signature (mono_method_signature (method));
3930 callsig = add_string_ctor_signature (method);
3931 /* Can't share this as we push a string as this */
3932 need_direct_wrapper = TRUE;
3934 if (method_is_dynamic (method))
3935 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3937 callsig = mono_method_signature (method);
3940 sig = mono_method_signature (method);
3943 sig = sig_to_rgctx_sig (sig);
3944 callsig = sig_to_rgctx_sig (callsig);
3947 target_klass = get_wrapper_target_class (method->klass->image);
3949 /* Try to share wrappers for non-corlib methods with simple signatures */
3950 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
3951 callsig = cctor_signature;
3952 target_klass = mono_defaults.object_class;
3953 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
3954 callsig = finalize_signature;
3955 target_klass = mono_defaults.object_class;
3958 if (need_direct_wrapper) {
3959 /* Already searched at the start */
3961 MonoMethodSignature *tmp_sig;
3963 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
3964 GHashTable **cache_table = NULL;
3966 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3967 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_vtype_cache;
3969 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_cache;
3971 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
3972 (GCompareFunc)runtime_invoke_signature_equal);
3974 /* from mono_marshal_find_in_cache */
3975 mono_marshal_lock ();
3976 res = g_hash_table_lookup (cache, callsig);
3977 mono_marshal_unlock ();
3984 /* Make a copy of the signature from the image mempool */
3986 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
3990 csig = mono_metadata_signature_alloc (target_klass->image, 4);
3992 csig->ret = &mono_defaults.object_class->byval_arg;
3993 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3994 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
3996 csig->params [0] = &mono_defaults.object_class->byval_arg;
3997 csig->params [1] = &mono_defaults.int_class->byval_arg;
3998 csig->params [2] = &mono_defaults.int_class->byval_arg;
3999 csig->params [3] = &mono_defaults.int_class->byval_arg;
4002 /* This is called from runtime code so it has to be cdecl */
4003 csig->call_convention = MONO_CALL_C;
4006 name = mono_signature_to_name (callsig, pass_rgctx ? (virtual ? "runtime_invoke_virtual_rgctx" : "runtime_invoke_rgctx") : (virtual ? "runtime_invoke_virtual" : "runtime_invoke"));
4007 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4011 param_names [0] = "this";
4012 param_names [1] = "params";
4013 param_names [2] = "exc";
4014 param_names [3] = "method";
4015 mono_mb_set_param_names (mb, param_names);
4017 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4020 if (need_direct_wrapper) {
4022 mb->skip_visibility = 1;
4024 info = mono_wrapper_info_create (mb, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4025 info->d.runtime_invoke.method = method;
4026 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
4028 /* taken from mono_mb_create_and_cache */
4029 mono_marshal_lock ();
4030 res = g_hash_table_lookup (cache, callsig);
4031 mono_marshal_unlock ();
4033 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4034 info->d.runtime_invoke.sig = callsig;
4035 info->d.runtime_invoke.pass_rgctx = pass_rgctx;
4037 /* Somebody may have created it before us */
4040 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4042 mono_marshal_lock ();
4043 res = g_hash_table_lookup (cache, callsig);
4045 GHashTable *direct_cache;
4047 g_hash_table_insert (cache, callsig, res);
4048 /* Can't insert it into wrapper_hash since the key is a signature */
4049 direct_cache = mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache;
4051 g_hash_table_insert (direct_cache, method, res);
4053 mono_free_method (newm);
4055 mono_marshal_unlock ();
4058 /* end mono_mb_create_and_cache */
4067 * mono_marshal_get_runtime_invoke_dynamic:
4069 * Return a method which can be used to invoke managed methods from native code
4071 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4072 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4073 * ARGS should point to an architecture specific structure containing
4074 * the arguments and space for the return value.
4075 * The other arguments are the same as for runtime_invoke (), except that
4076 * ARGS should contain the this argument too.
4077 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4078 * is only one copy of it, which is useful in full-aot.
4079 * The wrapper info for the wrapper is a WrapperInfo structure.
4082 mono_marshal_get_runtime_invoke_dynamic (void)
4084 static MonoMethod *method;
4085 MonoMethodSignature *csig;
4086 MonoExceptionClause *clause;
4087 MonoMethodBuilder *mb;
4095 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4097 csig->ret = &mono_defaults.void_class->byval_arg;
4098 csig->params [0] = &mono_defaults.int_class->byval_arg;
4099 csig->params [1] = &mono_defaults.int_class->byval_arg;
4100 csig->params [2] = &mono_defaults.int_class->byval_arg;
4101 csig->params [3] = &mono_defaults.int_class->byval_arg;
4103 name = g_strdup ("runtime_invoke_dynamic");
4104 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4108 /* allocate local 0 (object) tmp */
4109 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4110 /* allocate local 1 (object) exc */
4111 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4113 /* cond set *exc to null */
4114 mono_mb_emit_byte (mb, CEE_LDARG_1);
4115 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4116 mono_mb_emit_byte (mb, 3);
4117 mono_mb_emit_byte (mb, CEE_LDARG_1);
4118 mono_mb_emit_byte (mb, CEE_LDNULL);
4119 mono_mb_emit_byte (mb, CEE_STIND_REF);
4121 emit_thread_force_interrupt_checkpoint (mb);
4123 mono_mb_emit_byte (mb, CEE_LDARG_0);
4124 mono_mb_emit_byte (mb, CEE_LDARG_2);
4125 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4126 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4128 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4130 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4131 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4132 clause->try_len = mono_mb_get_label (mb);
4135 clause->data.filter_offset = mono_mb_get_label (mb);
4137 mono_mb_emit_byte (mb, CEE_POP);
4138 mono_mb_emit_byte (mb, CEE_LDARG_1);
4139 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4140 mono_mb_emit_byte (mb, CEE_PREFIX1);
4141 mono_mb_emit_byte (mb, CEE_CGT_UN);
4142 mono_mb_emit_byte (mb, CEE_PREFIX1);
4143 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4145 clause->handler_offset = mono_mb_get_label (mb);
4148 /* store exception */
4149 mono_mb_emit_stloc (mb, 1);
4151 mono_mb_emit_byte (mb, CEE_LDARG_1);
4152 mono_mb_emit_ldloc (mb, 1);
4153 mono_mb_emit_byte (mb, CEE_STIND_REF);
4155 mono_mb_emit_byte (mb, CEE_LDNULL);
4156 mono_mb_emit_stloc (mb, 0);
4158 /* Check for the abort exception */
4159 mono_mb_emit_ldloc (mb, 1);
4160 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4161 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4163 /* Delay the abort exception */
4164 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4166 mono_mb_patch_short_branch (mb, posna);
4167 mono_mb_emit_branch (mb, CEE_LEAVE);
4169 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4171 mono_mb_set_clauses (mb, 1, clause);
4174 mono_mb_patch_branch (mb, pos);
4175 //mono_mb_emit_ldloc (mb, 0);
4176 mono_mb_emit_byte (mb, CEE_RET);
4177 #endif /* DISABLE_JIT */
4179 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4181 mono_marshal_lock ();
4182 /* double-checked locking */
4184 method = mono_mb_create (mb, csig, 16, info);
4186 mono_marshal_unlock ();
4195 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4197 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4198 klass->name_space, klass->name);
4200 mono_mb_emit_exception_marshal_directive (mb, msg);
4205 * generates IL code for the icall wrapper (the generated method
4206 * calls the unmanaged code in func)
4207 * The wrapper info for the wrapper is a WrapperInfo structure.
4210 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4212 MonoMethodSignature *csig, *csig2;
4213 MonoMethodBuilder *mb;
4218 g_assert (sig->pinvoke);
4220 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4222 mb->method->save_lmf = 1;
4224 /* Add an explicit this argument */
4226 csig2 = mono_metadata_signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
4228 csig2 = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4232 mono_mb_emit_byte (mb, CEE_LDARG_0);
4234 for (i = 0; i < sig->param_count; i++)
4235 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4237 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4238 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
4239 mono_mb_emit_calli (mb, csig2);
4240 if (check_exceptions)
4241 emit_thread_interrupt_checkpoint (mb);
4242 mono_mb_emit_byte (mb, CEE_RET);
4245 csig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4247 if (csig->call_convention == MONO_CALL_VARARG)
4248 csig->call_convention = 0;
4250 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
4251 info->d.icall.func = (gpointer)func;
4252 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
4259 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4260 MonoMarshalSpec *spec,
4261 int conv_arg, MonoType **conv_arg_type,
4262 MarshalAction action)
4265 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
4266 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4271 static MonoClass *ICustomMarshaler = NULL;
4272 static MonoMethod *cleanup_native, *cleanup_managed;
4273 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4274 MonoMethod *get_instance = NULL;
4275 MonoMethodBuilder *mb = m->mb;
4276 char *exception_msg = NULL;
4280 if (!ICustomMarshaler) {
4281 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4283 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
4284 goto handle_exception;
4287 cleanup_native = mono_class_get_method_from_name (klass, "CleanUpNativeData", 1);
4288 g_assert (cleanup_native);
4289 cleanup_managed = mono_class_get_method_from_name (klass, "CleanUpManagedData", 1);
4290 g_assert (cleanup_managed);
4291 marshal_managed_to_native = mono_class_get_method_from_name (klass, "MarshalManagedToNative", 1);
4292 g_assert (marshal_managed_to_native);
4293 marshal_native_to_managed = mono_class_get_method_from_name (klass, "MarshalNativeToManaged", 1);
4294 g_assert (marshal_native_to_managed);
4296 mono_memory_barrier ();
4297 ICustomMarshaler = klass;
4300 if (spec->data.custom_data.image)
4301 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
4303 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
4304 g_assert (mtype != NULL);
4305 mklass = mono_class_from_mono_type (mtype);
4306 g_assert (mklass != NULL);
4308 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4309 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4311 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4313 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4314 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4315 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4316 (get_sig->params [0]->type != MONO_TYPE_STRING))
4317 get_instance = NULL;
4321 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement a static GetInstance method that takes a single string parameter and returns an ICustomMarshaler.", mklass->name);
4324 /* Throw exception and emit compensation code if neccesary */
4325 if (exception_msg) {
4327 case MARSHAL_ACTION_CONV_IN:
4328 case MARSHAL_ACTION_CONV_RESULT:
4329 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4330 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4331 mono_mb_emit_byte (mb, CEE_POP);
4333 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4334 g_free (exception_msg);
4337 case MARSHAL_ACTION_PUSH:
4338 mono_mb_emit_byte (mb, CEE_LDNULL);
4346 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4347 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4350 case MARSHAL_ACTION_CONV_IN:
4352 case MONO_TYPE_CLASS:
4353 case MONO_TYPE_OBJECT:
4354 case MONO_TYPE_STRING:
4355 case MONO_TYPE_ARRAY:
4356 case MONO_TYPE_SZARRAY:
4357 case MONO_TYPE_VALUETYPE:
4361 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4362 g_assert_not_reached ();
4366 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4368 mono_mb_emit_byte (mb, CEE_LDNULL);
4369 mono_mb_emit_stloc (mb, conv_arg);
4371 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4374 /* Minic MS.NET behavior */
4375 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
4378 /* Check for null */
4379 mono_mb_emit_ldarg (mb, argnum);
4381 mono_mb_emit_byte (mb, CEE_LDIND_I);
4382 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4384 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4386 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4388 mono_mb_emit_ldarg (mb, argnum);
4390 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4392 if (t->type == MONO_TYPE_VALUETYPE) {
4394 * Since we can't determine the type of the argument, we
4395 * will assume the unmanaged function takes a pointer.
4397 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4399 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4402 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4403 mono_mb_emit_stloc (mb, conv_arg);
4405 mono_mb_patch_branch (mb, pos2);
4408 case MARSHAL_ACTION_CONV_OUT:
4409 /* Check for null */
4410 mono_mb_emit_ldloc (mb, conv_arg);
4411 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4414 mono_mb_emit_ldarg (mb, argnum);
4416 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4418 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4420 mono_mb_emit_ldloc (mb, conv_arg);
4421 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4422 mono_mb_emit_byte (mb, CEE_STIND_REF);
4423 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
4424 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4426 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4428 mono_mb_emit_ldloc (mb, conv_arg);
4429 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4431 /* We have nowhere to store the result */
4432 mono_mb_emit_byte (mb, CEE_POP);
4435 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4437 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4439 mono_mb_emit_ldloc (mb, conv_arg);
4441 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4443 mono_mb_patch_branch (mb, pos2);
4446 case MARSHAL_ACTION_PUSH:
4448 mono_mb_emit_ldloc_addr (mb, conv_arg);
4450 mono_mb_emit_ldloc (mb, conv_arg);
4453 case MARSHAL_ACTION_CONV_RESULT:
4454 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4456 mono_mb_emit_stloc (mb, 3);
4458 mono_mb_emit_ldloc (mb, 3);
4459 mono_mb_emit_stloc (mb, loc1);
4461 /* Check for null */
4462 mono_mb_emit_ldloc (mb, 3);
4463 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4465 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4467 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4468 mono_mb_emit_byte (mb, CEE_DUP);
4470 mono_mb_emit_ldloc (mb, 3);
4471 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4472 mono_mb_emit_stloc (mb, 3);
4474 mono_mb_emit_ldloc (mb, loc1);
4475 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4477 mono_mb_patch_branch (mb, pos2);
4480 case MARSHAL_ACTION_MANAGED_CONV_IN:
4481 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4483 mono_mb_emit_byte (mb, CEE_LDNULL);
4484 mono_mb_emit_stloc (mb, conv_arg);
4486 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
4489 /* Check for null */
4490 mono_mb_emit_ldarg (mb, argnum);
4492 mono_mb_emit_byte (mb, CEE_LDIND_I);
4493 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4495 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4496 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4498 mono_mb_emit_ldarg (mb, argnum);
4500 mono_mb_emit_byte (mb, CEE_LDIND_I);
4502 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4503 mono_mb_emit_stloc (mb, conv_arg);
4505 mono_mb_patch_branch (mb, pos2);
4508 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4509 g_assert (!t->byref);
4511 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4513 mono_mb_emit_stloc (mb, 3);
4515 mono_mb_emit_ldloc (mb, 3);
4516 mono_mb_emit_stloc (mb, loc1);
4518 /* Check for null */
4519 mono_mb_emit_ldloc (mb, 3);
4520 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4522 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4523 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4524 mono_mb_emit_byte (mb, CEE_DUP);
4526 mono_mb_emit_ldloc (mb, 3);
4527 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4528 mono_mb_emit_stloc (mb, 3);
4530 mono_mb_emit_ldloc (mb, loc1);
4531 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4533 mono_mb_patch_branch (mb, pos2);
4536 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4538 /* Check for null */
4539 mono_mb_emit_ldloc (mb, conv_arg);
4540 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4543 mono_mb_emit_ldarg (mb, argnum);
4545 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4547 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4549 mono_mb_emit_ldloc (mb, conv_arg);
4550 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4551 mono_mb_emit_byte (mb, CEE_STIND_I);
4554 /* Call CleanUpManagedData */
4555 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4557 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4559 mono_mb_emit_ldloc (mb, conv_arg);
4560 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4562 mono_mb_patch_branch (mb, pos2);
4566 g_assert_not_reached ();
4574 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4575 MonoMarshalSpec *spec,
4576 int conv_arg, MonoType **conv_arg_type,
4577 MarshalAction action)
4580 MonoMethodBuilder *mb = m->mb;
4583 case MARSHAL_ACTION_CONV_IN: {
4584 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4586 g_assert (t->type == MONO_TYPE_OBJECT);
4587 g_assert (!t->byref);
4589 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4590 mono_mb_emit_ldarg (mb, argnum);
4591 mono_mb_emit_icon (mb, encoding);
4592 mono_mb_emit_icon (mb, t->attrs);
4593 mono_mb_emit_icall (mb, mono_marshal_asany);
4594 mono_mb_emit_stloc (mb, conv_arg);
4598 case MARSHAL_ACTION_PUSH:
4599 mono_mb_emit_ldloc (mb, conv_arg);
4602 case MARSHAL_ACTION_CONV_OUT: {
4603 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4605 mono_mb_emit_ldarg (mb, argnum);
4606 mono_mb_emit_ldloc (mb, conv_arg);
4607 mono_mb_emit_icon (mb, encoding);
4608 mono_mb_emit_icon (mb, t->attrs);
4609 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4614 g_assert_not_reached ();
4621 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4622 MonoMarshalSpec *spec,
4623 int conv_arg, MonoType **conv_arg_type,
4624 MarshalAction action)
4627 MonoMethodBuilder *mb = m->mb;
4628 MonoClass *klass, *date_time_class;
4631 klass = mono_class_from_mono_type (t);
4633 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
4636 case MARSHAL_ACTION_CONV_IN:
4637 if (klass == date_time_class) {
4638 /* Convert it to an OLE DATE type */
4639 static MonoMethod *to_oadate;
4642 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
4643 g_assert (to_oadate);
4645 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
4648 mono_mb_emit_ldarg (mb, argnum);
4649 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4652 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4654 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
4656 mono_mb_emit_ldarg_addr (mb, argnum);
4657 mono_mb_emit_managed_call (mb, to_oadate, NULL);
4658 mono_mb_emit_stloc (mb, conv_arg);
4662 mono_mb_patch_branch (mb, pos);
4666 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4667 klass->blittable || klass->enumtype)
4670 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4672 /* store the address of the source into local variable 0 */
4674 mono_mb_emit_ldarg (mb, argnum);
4676 mono_mb_emit_ldarg_addr (mb, argnum);
4678 mono_mb_emit_stloc (mb, 0);
4680 /* allocate space for the native struct and
4681 * store the address into local variable 1 (dest) */
4682 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4683 mono_mb_emit_byte (mb, CEE_PREFIX1);
4684 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4685 mono_mb_emit_stloc (mb, conv_arg);
4688 mono_mb_emit_ldloc (mb, 0);
4689 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4692 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4694 mono_mb_emit_ldloc (mb, conv_arg);
4695 mono_mb_emit_stloc (mb, 1);
4697 /* emit valuetype conversion code */
4698 emit_struct_conv (mb, klass, FALSE);
4702 mono_mb_patch_branch (mb, pos);
4705 case MARSHAL_ACTION_PUSH:
4706 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
4708 g_assert (!t->byref);
4710 /* Have to change the signature since the vtype is passed byref */
4711 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
4713 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4714 klass->blittable || klass->enumtype)
4715 mono_mb_emit_ldarg_addr (mb, argnum);
4717 mono_mb_emit_ldloc (mb, conv_arg);
4721 if (klass == date_time_class) {
4723 mono_mb_emit_ldloc_addr (mb, conv_arg);
4725 mono_mb_emit_ldloc (mb, conv_arg);
4729 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4730 klass->blittable || klass->enumtype) {
4731 mono_mb_emit_ldarg (mb, argnum);
4734 mono_mb_emit_ldloc (mb, conv_arg);
4736 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4737 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
4741 case MARSHAL_ACTION_CONV_OUT:
4742 if (klass == date_time_class) {
4743 /* Convert from an OLE DATE type */
4744 static MonoMethod *from_oadate;
4749 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
4751 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
4752 g_assert (from_oadate);
4754 mono_mb_emit_ldarg (mb, argnum);
4755 mono_mb_emit_ldloc (mb, conv_arg);
4756 mono_mb_emit_managed_call (mb, from_oadate, NULL);
4757 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
4762 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4763 klass->blittable || klass->enumtype)
4767 /* dst = argument */
4768 mono_mb_emit_ldarg (mb, argnum);
4769 mono_mb_emit_stloc (mb, 1);
4771 mono_mb_emit_ldloc (mb, 1);
4772 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4774 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
4775 /* src = tmp_locals [i] */
4776 mono_mb_emit_ldloc (mb, conv_arg);
4777 mono_mb_emit_stloc (mb, 0);
4779 /* emit valuetype conversion code */
4780 emit_struct_conv (mb, klass, TRUE);
4784 emit_struct_free (mb, klass, conv_arg);
4787 mono_mb_patch_branch (mb, pos);
4790 case MARSHAL_ACTION_CONV_RESULT:
4791 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4793 mono_mb_emit_stloc (mb, 3);
4797 /* load pointer to returned value type */
4798 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4799 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4800 /* store the address of the source into local variable 0 */
4801 mono_mb_emit_stloc (mb, 0);
4803 mono_mb_emit_ldloc_addr (mb, 3);
4804 mono_mb_emit_stloc (mb, 1);
4806 /* emit valuetype conversion code */
4807 emit_struct_conv (mb, klass, TRUE);
4810 case MARSHAL_ACTION_MANAGED_CONV_IN:
4811 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4812 klass->blittable || klass->enumtype) {
4817 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4819 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4823 mono_mb_emit_ldarg (mb, argnum);
4825 mono_mb_emit_ldarg_addr (mb, argnum);
4826 mono_mb_emit_stloc (mb, 0);
4829 mono_mb_emit_ldloc (mb, 0);
4830 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4833 mono_mb_emit_ldloc_addr (mb, conv_arg);
4834 mono_mb_emit_stloc (mb, 1);
4836 /* emit valuetype conversion code */
4837 emit_struct_conv (mb, klass, TRUE);
4840 mono_mb_patch_branch (mb, pos);
4843 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4844 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4845 klass->blittable || klass->enumtype) {
4849 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
4852 /* Check for null */
4853 mono_mb_emit_ldarg (mb, argnum);
4854 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4857 mono_mb_emit_ldloc_addr (mb, conv_arg);
4858 mono_mb_emit_stloc (mb, 0);
4861 mono_mb_emit_ldarg (mb, argnum);
4862 mono_mb_emit_stloc (mb, 1);
4864 /* emit valuetype conversion code */
4865 emit_struct_conv (mb, klass, FALSE);
4867 mono_mb_patch_branch (mb, pos2);
4870 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4871 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4872 klass->blittable || klass->enumtype) {
4873 mono_mb_emit_stloc (mb, 3);
4878 /* load pointer to returned value type */
4879 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4880 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4882 /* store the address of the source into local variable 0 */
4883 mono_mb_emit_stloc (mb, 0);
4884 /* allocate space for the native struct and
4885 * store the address into dst_ptr */
4886 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4887 m->retobj_class = klass;
4888 g_assert (m->retobj_var);
4889 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4890 mono_mb_emit_byte (mb, CEE_CONV_I);
4891 mono_mb_emit_icall (mb, mono_marshal_alloc);
4892 mono_mb_emit_stloc (mb, 1);
4893 mono_mb_emit_ldloc (mb, 1);
4894 mono_mb_emit_stloc (mb, m->retobj_var);
4896 /* emit valuetype conversion code */
4897 emit_struct_conv (mb, klass, FALSE);
4901 g_assert_not_reached ();
4908 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4909 MonoMarshalSpec *spec,
4910 int conv_arg, MonoType **conv_arg_type,
4911 MarshalAction action)
4915 case MARSHAL_ACTION_CONV_IN:
4916 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4918 case MARSHAL_ACTION_MANAGED_CONV_IN:
4919 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4923 MonoMethodBuilder *mb = m->mb;
4924 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4925 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4929 case MARSHAL_ACTION_CONV_IN:
4930 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4931 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4934 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4937 mono_mb_emit_ldarg (mb, argnum);
4938 mono_mb_emit_byte (mb, CEE_LDIND_I);
4940 mono_mb_emit_ldarg (mb, argnum);
4944 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4945 mono_mb_emit_exception_marshal_directive (mb, msg);
4947 mono_mb_emit_icall (mb, conv_to_icall (conv));
4949 mono_mb_emit_stloc (mb, conv_arg);
4953 case MARSHAL_ACTION_CONV_OUT:
4954 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4956 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4957 mono_mb_emit_exception_marshal_directive (mb, msg);
4961 if (encoding == MONO_NATIVE_VBBYREFSTR) {
4962 static MonoMethod *m;
4965 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
4970 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
4971 mono_mb_emit_exception_marshal_directive (mb, msg);
4976 * Have to allocate a new string with the same length as the original, and
4977 * copy the contents of the buffer pointed to by CONV_ARG into it.
4979 g_assert (t->byref);
4980 mono_mb_emit_ldarg (mb, argnum);
4981 mono_mb_emit_ldloc (mb, conv_arg);
4982 mono_mb_emit_ldarg (mb, argnum);
4983 mono_mb_emit_byte (mb, CEE_LDIND_I);
4984 mono_mb_emit_managed_call (mb, m, NULL);
4985 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
4986 mono_mb_emit_byte (mb, CEE_STIND_REF);
4987 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
4988 mono_mb_emit_ldarg (mb, argnum);
4989 mono_mb_emit_ldloc (mb, conv_arg);
4990 mono_mb_emit_icall (mb, conv_to_icall (conv));
4991 mono_mb_emit_byte (mb, CEE_STIND_REF);
4996 mono_mb_emit_ldloc (mb, conv_arg);
4997 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
4998 mono_mb_emit_icall (mb, mono_free_bstr);
5000 mono_mb_emit_icall (mb, mono_marshal_free);
5004 case MARSHAL_ACTION_PUSH:
5005 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
5006 mono_mb_emit_ldloc_addr (mb, conv_arg);
5008 mono_mb_emit_ldloc (mb, conv_arg);
5011 case MARSHAL_ACTION_CONV_RESULT:
5012 mono_mb_emit_stloc (mb, 0);
5014 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5016 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5017 mono_mb_emit_exception_marshal_directive (mb, msg);
5021 mono_mb_emit_ldloc (mb, 0);
5022 mono_mb_emit_icall (mb, conv_to_icall (conv));
5023 mono_mb_emit_stloc (mb, 3);
5025 /* free the string */
5026 mono_mb_emit_ldloc (mb, 0);
5027 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5028 mono_mb_emit_icall (mb, mono_free_bstr);
5030 mono_mb_emit_icall (mb, mono_marshal_free);
5033 case MARSHAL_ACTION_MANAGED_CONV_IN:
5034 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5036 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5039 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5043 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5045 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5046 mono_mb_emit_exception_marshal_directive (mb, msg);
5050 mono_mb_emit_ldarg (mb, argnum);
5052 mono_mb_emit_byte (mb, CEE_LDIND_I);
5053 mono_mb_emit_icall (mb, conv_to_icall (conv));
5054 mono_mb_emit_stloc (mb, conv_arg);
5057 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5060 mono_mb_emit_ldarg (mb, argnum);
5061 mono_mb_emit_ldloc (mb, conv_arg);
5062 mono_mb_emit_icall (mb, conv_to_icall (conv));
5063 mono_mb_emit_byte (mb, CEE_STIND_I);
5068 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5069 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
5070 /* We need to make a copy so the caller is able to free it */
5071 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5073 mono_mb_emit_icall (mb, conv_to_icall (conv));
5074 mono_mb_emit_stloc (mb, 3);
5078 g_assert_not_reached ();
5086 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5087 MonoMarshalSpec *spec, int conv_arg,
5088 MonoType **conv_arg_type, MarshalAction action)
5091 if (action == MARSHAL_ACTION_CONV_IN)
5092 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5094 MonoMethodBuilder *mb = m->mb;
5097 case MARSHAL_ACTION_CONV_IN: {
5098 MonoType *intptr_type;
5099 int dar_release_slot, pos;
5101 intptr_type = &mono_defaults.int_class->byval_arg;
5102 conv_arg = mono_mb_add_local (mb, intptr_type);
5103 *conv_arg_type = intptr_type;
5105 if (!sh_dangerous_add_ref)
5106 init_safe_handle ();
5108 mono_mb_emit_ldarg (mb, argnum);
5109 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5110 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5112 mono_mb_patch_branch (mb, pos);
5115 * My tests in show that ref SafeHandles are not really
5116 * passed as ref objects. Instead a NULL is passed as the
5119 mono_mb_emit_icon (mb, 0);
5120 mono_mb_emit_stloc (mb, conv_arg);
5124 /* Create local to hold the ref parameter to DangerousAddRef */
5125 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5127 /* set release = false; */
5128 mono_mb_emit_icon (mb, 0);
5129 mono_mb_emit_stloc (mb, dar_release_slot);
5131 /* safehandle.DangerousAddRef (ref release) */
5132 mono_mb_emit_ldarg (mb, argnum);
5133 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5134 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5136 /* Pull the handle field from SafeHandle */
5137 mono_mb_emit_ldarg (mb, argnum);
5138 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5139 mono_mb_emit_byte (mb, CEE_LDIND_I);
5140 mono_mb_emit_stloc (mb, conv_arg);
5145 case MARSHAL_ACTION_PUSH:
5147 mono_mb_emit_ldloc_addr (mb, conv_arg);
5149 mono_mb_emit_ldloc (mb, conv_arg);
5152 case MARSHAL_ACTION_CONV_OUT: {
5153 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5154 int dar_release_slot = conv_arg + 1;
5157 if (!sh_dangerous_release)
5158 init_safe_handle ();
5164 * My tests indicate that ref SafeHandles parameters are not actually
5165 * passed by ref, but instead a new Handle is created regardless of
5166 * whether a change happens in the unmanaged side.
5168 * Also, the Handle is created before calling into unmanaged code,
5169 * but we do not support that mechanism (getting to the original
5170 * handle) and it makes no difference where we create this
5172 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5174 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5177 /* refval = new SafeHandleDerived ()*/
5178 mono_mb_emit_ldarg (mb, argnum);
5179 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5180 mono_mb_emit_byte (mb, CEE_STIND_REF);
5182 /* refval.handle = returned_handle */
5183 mono_mb_emit_ldarg (mb, argnum);
5184 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5185 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5186 mono_mb_emit_ldloc (mb, conv_arg);
5187 mono_mb_emit_byte (mb, CEE_STIND_I);
5189 mono_mb_emit_ldloc (mb, dar_release_slot);
5190 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5191 mono_mb_emit_ldarg (mb, argnum);
5192 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5193 mono_mb_patch_branch (mb, label_next);
5198 case MARSHAL_ACTION_CONV_RESULT: {
5199 MonoMethod *ctor = NULL;
5200 int intptr_handle_slot;
5202 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
5203 mono_mb_emit_byte (mb, CEE_POP);
5204 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
5208 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5210 mono_mb_emit_byte (mb, CEE_POP);
5211 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5214 /* Store the IntPtr results into a local */
5215 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5216 mono_mb_emit_stloc (mb, intptr_handle_slot);
5218 /* Create return value */
5219 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5220 mono_mb_emit_stloc (mb, 3);
5222 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5223 mono_mb_emit_ldloc (mb, 3);
5224 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5225 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5226 mono_mb_emit_byte (mb, CEE_STIND_I);
5230 case MARSHAL_ACTION_MANAGED_CONV_IN:
5231 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5234 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5235 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5238 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5239 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5242 printf ("Unhandled case for MarshalAction: %d\n", action);
5250 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5251 MonoMarshalSpec *spec, int conv_arg,
5252 MonoType **conv_arg_type, MarshalAction action)
5255 if (action == MARSHAL_ACTION_CONV_IN)
5256 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5258 MonoMethodBuilder *mb = m->mb;
5261 case MARSHAL_ACTION_CONV_IN: {
5262 MonoType *intptr_type;
5264 intptr_type = &mono_defaults.int_class->byval_arg;
5265 conv_arg = mono_mb_add_local (mb, intptr_type);
5266 *conv_arg_type = intptr_type;
5269 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5270 mono_mb_emit_exception_marshal_directive (mb, msg);
5273 mono_mb_emit_ldarg_addr (mb, argnum);
5274 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
5275 mono_mb_emit_byte (mb, CEE_ADD);
5276 mono_mb_emit_byte (mb, CEE_LDIND_I);
5277 mono_mb_emit_stloc (mb, conv_arg);
5281 case MARSHAL_ACTION_PUSH:
5282 mono_mb_emit_ldloc (mb, conv_arg);
5285 case MARSHAL_ACTION_CONV_OUT: {
5286 /* no resource release required */
5290 case MARSHAL_ACTION_CONV_RESULT: {
5291 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5292 mono_mb_emit_exception_marshal_directive (mb, msg);
5296 case MARSHAL_ACTION_MANAGED_CONV_IN:
5297 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5300 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5301 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5304 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5305 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5308 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5316 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5317 MonoMarshalSpec *spec,
5318 int conv_arg, MonoType **conv_arg_type,
5319 MarshalAction action)
5322 if (action == MARSHAL_ACTION_CONV_IN)
5323 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5325 MonoMethodBuilder *mb = m->mb;
5326 MonoClass *klass = mono_class_from_mono_type (t);
5330 case MARSHAL_ACTION_CONV_IN:
5331 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5332 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5334 m->orig_conv_args [argnum] = 0;
5336 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5337 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5338 mono_mb_emit_exception_marshal_directive (mb, msg);
5342 if (klass->delegate) {
5344 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5345 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5346 mono_mb_emit_exception_marshal_directive (mb, msg);
5348 mono_mb_emit_byte (mb, CEE_LDNULL);
5349 mono_mb_emit_stloc (mb, conv_arg);
5351 mono_mb_emit_ldarg (mb, argnum);
5352 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5353 mono_mb_emit_stloc (mb, conv_arg);
5355 } else if (klass == mono_defaults.stringbuilder_class) {
5356 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5357 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5361 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5362 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
5363 mono_mb_emit_exception_marshal_directive (mb, msg);
5369 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
5373 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5374 mono_mb_emit_exception_marshal_directive (mb, msg);
5378 mono_mb_emit_ldarg (mb, argnum);
5380 mono_mb_emit_byte (mb, CEE_LDIND_I);
5382 mono_mb_emit_icall (mb, conv_to_icall (conv));
5383 mono_mb_emit_stloc (mb, conv_arg);
5384 } else if (klass->blittable) {
5385 mono_mb_emit_byte (mb, CEE_LDNULL);
5386 mono_mb_emit_stloc (mb, conv_arg);
5388 mono_mb_emit_ldarg (mb, argnum);
5389 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5391 mono_mb_emit_ldarg (mb, argnum);
5392 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5393 mono_mb_emit_stloc (mb, conv_arg);
5395 mono_mb_patch_branch (mb, pos);
5398 mono_mb_emit_byte (mb, CEE_LDNULL);
5399 mono_mb_emit_stloc (mb, conv_arg);
5402 /* we dont need any conversions for out parameters */
5403 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5406 mono_mb_emit_ldarg (mb, argnum);
5407 mono_mb_emit_byte (mb, CEE_LDIND_I);
5410 mono_mb_emit_ldarg (mb, argnum);
5411 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5412 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5415 /* store the address of the source into local variable 0 */
5416 mono_mb_emit_stloc (mb, 0);
5417 mono_mb_emit_ldloc (mb, 0);
5418 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5420 /* allocate space for the native struct and store the address */
5421 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5422 mono_mb_emit_byte (mb, CEE_PREFIX1);
5423 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5424 mono_mb_emit_stloc (mb, conv_arg);
5427 /* Need to store the original buffer so we can free it later */
5428 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5429 mono_mb_emit_ldloc (mb, conv_arg);
5430 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5433 /* set the src_ptr */
5434 mono_mb_emit_ldloc (mb, 0);
5435 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5436 mono_mb_emit_stloc (mb, 0);
5439 mono_mb_emit_ldloc (mb, conv_arg);
5440 mono_mb_emit_stloc (mb, 1);
5442 /* emit valuetype conversion code */
5443 emit_struct_conv (mb, klass, FALSE);
5445 mono_mb_patch_branch (mb, pos);
5449 case MARSHAL_ACTION_CONV_OUT:
5450 if (klass == mono_defaults.stringbuilder_class) {
5452 MonoMarshalNative encoding;
5453 MonoMarshalConv conv;
5455 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5456 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5458 g_assert (encoding != -1);
5461 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
5465 mono_mb_emit_ldarg (mb, argnum);
5466 mono_mb_emit_ldloc (mb, conv_arg);
5469 case MONO_NATIVE_LPWSTR:
5470 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
5472 case MONO_NATIVE_LPSTR:
5473 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5476 g_assert_not_reached ();
5479 mono_mb_emit_byte (mb, CEE_STIND_REF);
5481 mono_mb_emit_ldarg (mb, argnum);
5482 mono_mb_emit_ldloc (mb, conv_arg);
5484 mono_mb_emit_icall (mb, conv_to_icall (conv));
5488 mono_mb_emit_ldloc (mb, conv_arg);
5489 mono_mb_emit_icall (mb, mono_marshal_free);
5494 if (klass->delegate) {
5496 mono_mb_emit_ldarg (mb, argnum);
5497 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5498 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5499 mono_mb_emit_ldloc (mb, conv_arg);
5500 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5501 mono_mb_emit_byte (mb, CEE_STIND_REF);
5506 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5507 /* allocate a new object */
5508 mono_mb_emit_ldarg (mb, argnum);
5509 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5510 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5511 mono_mb_emit_byte (mb, CEE_STIND_REF);
5514 /* dst = *argument */
5515 mono_mb_emit_ldarg (mb, argnum);
5518 mono_mb_emit_byte (mb, CEE_LDIND_I);
5520 mono_mb_emit_stloc (mb, 1);
5522 mono_mb_emit_ldloc (mb, 1);
5523 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5525 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5526 mono_mb_emit_ldloc (mb, 1);
5527 mono_mb_emit_icon (mb, sizeof (MonoObject));
5528 mono_mb_emit_byte (mb, CEE_ADD);
5529 mono_mb_emit_stloc (mb, 1);
5531 /* src = tmp_locals [i] */
5532 mono_mb_emit_ldloc (mb, conv_arg);
5533 mono_mb_emit_stloc (mb, 0);
5535 /* emit valuetype conversion code */
5536 emit_struct_conv (mb, klass, TRUE);
5538 /* Free the structure returned by the native code */
5539 emit_struct_free (mb, klass, conv_arg);
5541 if (m->orig_conv_args [argnum]) {
5543 * If the native function changed the pointer, then free
5544 * the original structure plus the new pointer.
5546 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5547 mono_mb_emit_ldloc (mb, conv_arg);
5548 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
5550 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5551 g_assert (m->orig_conv_args [argnum]);
5553 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5556 mono_mb_emit_ldloc (mb, conv_arg);
5557 mono_mb_emit_icall (mb, mono_marshal_free);
5559 mono_mb_patch_branch (mb, pos2);
5563 /* Free the original structure passed to native code */
5564 emit_struct_free (mb, klass, conv_arg);
5566 mono_mb_patch_branch (mb, pos);
5569 case MARSHAL_ACTION_PUSH:
5571 mono_mb_emit_ldloc_addr (mb, conv_arg);
5573 mono_mb_emit_ldloc (mb, conv_arg);
5576 case MARSHAL_ACTION_CONV_RESULT:
5577 if (klass->delegate) {
5578 g_assert (!t->byref);
5579 mono_mb_emit_stloc (mb, 0);
5580 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5581 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5582 mono_mb_emit_ldloc (mb, 0);
5583 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5584 mono_mb_emit_stloc (mb, 3);
5587 mono_mb_emit_stloc (mb, 0);
5589 /* Make a copy since emit_conv modifies local 0 */
5590 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5591 mono_mb_emit_ldloc (mb, 0);
5592 mono_mb_emit_stloc (mb, loc);
5594 mono_mb_emit_byte (mb, CEE_LDNULL);
5595 mono_mb_emit_stloc (mb, 3);
5597 mono_mb_emit_ldloc (mb, 0);
5598 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5600 /* allocate result object */
5602 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5603 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5604 mono_mb_emit_stloc (mb, 3);
5608 mono_mb_emit_ldloc (mb, 3);
5609 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5610 mono_mb_emit_stloc (mb, 1);
5612 /* emit conversion code */
5613 emit_struct_conv (mb, klass, TRUE);
5615 emit_struct_free (mb, klass, loc);
5617 /* Free the pointer allocated by unmanaged code */
5618 mono_mb_emit_ldloc (mb, loc);
5619 mono_mb_emit_icall (mb, mono_marshal_free);
5620 mono_mb_patch_branch (mb, pos);
5624 case MARSHAL_ACTION_MANAGED_CONV_IN:
5625 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5627 if (klass->delegate) {
5628 g_assert (!t->byref);
5629 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5630 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5631 mono_mb_emit_ldarg (mb, argnum);
5632 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5633 mono_mb_emit_stloc (mb, conv_arg);
5637 if (klass == mono_defaults.stringbuilder_class) {
5638 MonoMarshalNative encoding;
5640 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5643 g_assert (encoding == MONO_NATIVE_LPSTR);
5645 g_assert (!t->byref);
5646 g_assert (encoding != -1);
5648 mono_mb_emit_ldarg (mb, argnum);
5649 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5650 mono_mb_emit_stloc (mb, conv_arg);
5654 /* The class can not have an automatic layout */
5655 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5656 mono_mb_emit_auto_layout_exception (mb, klass);
5660 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5661 mono_mb_emit_byte (mb, CEE_LDNULL);
5662 mono_mb_emit_stloc (mb, conv_arg);
5667 mono_mb_emit_ldarg (mb, argnum);
5671 /* Check for NULL and raise an exception */
5672 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
5674 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5676 mono_mb_patch_branch (mb, pos2);
5677 mono_mb_emit_ldarg (mb, argnum);
5678 mono_mb_emit_byte (mb, CEE_LDIND_I);
5681 mono_mb_emit_stloc (mb, 0);
5683 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5684 mono_mb_emit_stloc (mb, conv_arg);
5686 mono_mb_emit_ldloc (mb, 0);
5687 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5689 /* Create and set dst */
5690 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5691 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5692 mono_mb_emit_stloc (mb, conv_arg);
5693 mono_mb_emit_ldloc (mb, conv_arg);
5694 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5695 mono_mb_emit_stloc (mb, 1);
5697 /* emit valuetype conversion code */
5698 emit_struct_conv (mb, klass, TRUE);
5700 mono_mb_patch_branch (mb, pos);
5703 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5705 /* Check for null */
5706 mono_mb_emit_ldloc (mb, conv_arg);
5707 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5708 mono_mb_emit_ldarg (mb, argnum);
5709 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5710 mono_mb_emit_byte (mb, CEE_STIND_REF);
5711 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5713 mono_mb_patch_branch (mb, pos);
5716 mono_mb_emit_ldloc (mb, conv_arg);
5717 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5718 mono_mb_emit_stloc (mb, 0);
5720 /* Allocate and set dest */
5721 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5722 mono_mb_emit_byte (mb, CEE_CONV_I);
5723 mono_mb_emit_icall (mb, mono_marshal_alloc);
5724 mono_mb_emit_stloc (mb, 1);
5726 /* Update argument pointer */
5727 mono_mb_emit_ldarg (mb, argnum);
5728 mono_mb_emit_ldloc (mb, 1);
5729 mono_mb_emit_byte (mb, CEE_STIND_I);
5731 /* emit valuetype conversion code */
5732 emit_struct_conv (mb, klass, FALSE);
5734 mono_mb_patch_branch (mb, pos2);
5735 } else if (klass == mono_defaults.stringbuilder_class) {
5736 // FIXME: What to do here ?
5738 /* byval [Out] marshalling */
5740 /* FIXME: Handle null */
5743 mono_mb_emit_ldloc (mb, conv_arg);
5744 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5745 mono_mb_emit_stloc (mb, 0);
5748 mono_mb_emit_ldarg (mb, argnum);
5749 mono_mb_emit_stloc (mb, 1);
5751 /* emit valuetype conversion code */
5752 emit_struct_conv (mb, klass, FALSE);
5756 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5757 if (klass->delegate) {
5758 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5759 mono_mb_emit_stloc (mb, 3);
5763 /* The class can not have an automatic layout */
5764 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5765 mono_mb_emit_auto_layout_exception (mb, klass);
5769 mono_mb_emit_stloc (mb, 0);
5770 /* Check for null */
5771 mono_mb_emit_ldloc (mb, 0);
5772 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5773 mono_mb_emit_byte (mb, CEE_LDNULL);
5774 mono_mb_emit_stloc (mb, 3);
5775 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5777 mono_mb_patch_branch (mb, pos);
5780 mono_mb_emit_ldloc (mb, 0);
5781 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5782 mono_mb_emit_stloc (mb, 0);
5784 /* Allocate and set dest */
5785 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5786 mono_mb_emit_byte (mb, CEE_CONV_I);
5787 mono_mb_emit_icall (mb, mono_marshal_alloc);
5788 mono_mb_emit_byte (mb, CEE_DUP);
5789 mono_mb_emit_stloc (mb, 1);
5790 mono_mb_emit_stloc (mb, 3);
5792 emit_struct_conv (mb, klass, FALSE);
5794 mono_mb_patch_branch (mb, pos2);
5798 g_assert_not_reached ();
5809 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
5810 MonoMarshalSpec *spec,
5811 int conv_arg, MonoType **conv_arg_type,
5812 MarshalAction action)
5814 MonoMethodBuilder *mb = m->mb;
5815 static MonoMethod *get_object_for_native_variant = NULL;
5816 static MonoMethod *get_native_variant_for_object = NULL;
5818 if (!get_object_for_native_variant)
5819 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
5820 g_assert (get_object_for_native_variant);
5822 if (!get_native_variant_for_object)
5823 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5824 g_assert (get_native_variant_for_object);
5827 case MARSHAL_ACTION_CONV_IN: {
5828 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
5831 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
5833 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
5835 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
5838 mono_mb_emit_ldarg (mb, argnum);
5840 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5841 mono_mb_emit_ldloc_addr (mb, conv_arg);
5842 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5846 case MARSHAL_ACTION_CONV_OUT: {
5847 static MonoMethod *variant_clear = NULL;
5850 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
5851 g_assert (variant_clear);
5854 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5855 mono_mb_emit_ldarg (mb, argnum);
5856 mono_mb_emit_ldloc_addr (mb, conv_arg);
5857 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5858 mono_mb_emit_byte (mb, CEE_STIND_REF);
5861 mono_mb_emit_ldloc_addr (mb, conv_arg);
5862 mono_mb_emit_managed_call (mb, variant_clear, NULL);
5866 case MARSHAL_ACTION_PUSH:
5868 mono_mb_emit_ldloc_addr (mb, conv_arg);
5870 mono_mb_emit_ldloc (mb, conv_arg);
5873 case MARSHAL_ACTION_CONV_RESULT: {
5874 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
5875 mono_mb_emit_exception_marshal_directive (mb, msg);
5879 case MARSHAL_ACTION_MANAGED_CONV_IN: {
5880 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5883 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
5885 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
5887 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
5891 mono_mb_emit_ldarg (mb, argnum);
5893 mono_mb_emit_ldarg_addr (mb, argnum);
5894 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5895 mono_mb_emit_stloc (mb, conv_arg);
5899 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
5900 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5901 mono_mb_emit_ldloc (mb, conv_arg);
5902 mono_mb_emit_ldarg (mb, argnum);
5903 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5908 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
5909 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
5910 mono_mb_emit_exception_marshal_directive (mb, msg);
5915 g_assert_not_reached ();
5921 #endif /* DISABLE_COM */
5922 #endif /* DISABLE_JIT */
5925 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
5927 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
5928 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
5930 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
5932 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
5944 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5945 MonoMarshalSpec *spec,
5946 int conv_arg, MonoType **conv_arg_type,
5947 MarshalAction action)
5951 case MARSHAL_ACTION_CONV_IN:
5952 *conv_arg_type = &mono_defaults.object_class->byval_arg;
5954 case MARSHAL_ACTION_MANAGED_CONV_IN:
5955 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5959 MonoMethodBuilder *mb = m->mb;
5960 MonoClass *klass = mono_class_from_mono_type (t);
5961 gboolean need_convert, need_free;
5962 MonoMarshalNative encoding;
5964 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5967 case MARSHAL_ACTION_CONV_IN:
5968 *conv_arg_type = &mono_defaults.object_class->byval_arg;
5969 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5971 if (klass->element_class->blittable) {
5972 mono_mb_emit_ldarg (mb, argnum);
5974 mono_mb_emit_byte (mb, CEE_LDIND_I);
5975 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5976 mono_mb_emit_stloc (mb, conv_arg);
5979 guint32 label1, label2, label3;
5980 int index_var, src_var, dest_ptr, esize;
5981 MonoMarshalConv conv;
5982 gboolean is_string = FALSE;
5984 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5986 eklass = klass->element_class;
5988 if (eklass == mono_defaults.string_class) {
5990 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5992 else if (eklass == mono_defaults.stringbuilder_class) {
5994 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5999 if (is_string && conv == -1) {
6000 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6001 mono_mb_emit_exception_marshal_directive (mb, msg);
6005 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6006 mono_mb_emit_ldarg (mb, argnum);
6008 mono_mb_emit_byte (mb, CEE_LDIND_I);
6009 mono_mb_emit_stloc (mb, src_var);
6012 mono_mb_emit_ldloc (mb, src_var);
6013 mono_mb_emit_stloc (mb, conv_arg);
6014 mono_mb_emit_ldloc (mb, src_var);
6015 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6018 esize = sizeof (gpointer);
6019 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
6020 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6022 esize = mono_class_native_size (eklass, NULL);
6024 /* allocate space for the native struct and store the address */
6025 mono_mb_emit_icon (mb, esize);
6026 mono_mb_emit_ldloc (mb, src_var);
6027 mono_mb_emit_byte (mb, CEE_LDLEN);
6029 if (eklass == mono_defaults.string_class) {
6030 /* Make the array bigger for the terminating null */
6031 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6032 mono_mb_emit_byte (mb, CEE_ADD);
6034 mono_mb_emit_byte (mb, CEE_MUL);
6035 mono_mb_emit_byte (mb, CEE_PREFIX1);
6036 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6037 mono_mb_emit_stloc (mb, conv_arg);
6039 mono_mb_emit_ldloc (mb, conv_arg);
6040 mono_mb_emit_stloc (mb, dest_ptr);
6042 /* Emit marshalling loop */
6043 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6044 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6045 mono_mb_emit_stloc (mb, index_var);
6046 label2 = mono_mb_get_label (mb);
6047 mono_mb_emit_ldloc (mb, index_var);
6048 mono_mb_emit_ldloc (mb, src_var);
6049 mono_mb_emit_byte (mb, CEE_LDLEN);
6050 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6052 /* Emit marshalling code */
6055 mono_mb_emit_ldloc (mb, dest_ptr);
6056 mono_mb_emit_ldloc (mb, src_var);
6057 mono_mb_emit_ldloc (mb, index_var);
6058 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6059 mono_mb_emit_icall (mb, conv_to_icall (conv));
6060 mono_mb_emit_byte (mb, CEE_STIND_I);
6062 /* set the src_ptr */
6063 mono_mb_emit_ldloc (mb, src_var);
6064 mono_mb_emit_ldloc (mb, index_var);
6065 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6066 mono_mb_emit_stloc (mb, 0);
6069 mono_mb_emit_ldloc (mb, dest_ptr);
6070 mono_mb_emit_stloc (mb, 1);
6072 /* emit valuetype conversion code */
6073 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
6076 mono_mb_emit_add_to_local (mb, index_var, 1);
6077 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6079 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6081 mono_mb_patch_branch (mb, label3);
6083 if (eklass == mono_defaults.string_class) {
6084 /* Null terminate */
6085 mono_mb_emit_ldloc (mb, dest_ptr);
6086 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6087 mono_mb_emit_byte (mb, CEE_STIND_REF);
6090 mono_mb_patch_branch (mb, label1);
6095 case MARSHAL_ACTION_CONV_OUT:
6096 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6097 need_convert = ((klass->element_class == mono_defaults.char_class) && (encoding == MONO_NATIVE_LPWSTR)) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
6098 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6101 if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) {
6102 int param_num = spec->data.array_data.param_num;
6103 MonoType *param_type;
6105 param_type = m->sig->params [param_num];
6107 if (param_type->byref && param_type->type != MONO_TYPE_I4) {
6108 char *msg = g_strdup ("Not implemented.");
6109 mono_mb_emit_exception_marshal_directive (mb, msg);
6113 mono_mb_emit_ldarg (mb, argnum);
6115 /* Create the managed array */
6116 mono_mb_emit_ldarg (mb, param_num);
6117 if (m->sig->params [param_num]->byref)
6118 // FIXME: Support other types
6119 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6120 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6121 mono_mb_emit_op (mb, CEE_NEWARR, klass->element_class);
6122 /* Store into argument */
6123 mono_mb_emit_byte (mb, CEE_STIND_I);
6126 if (need_convert || need_free) {
6127 /* FIXME: Optimize blittable case */
6129 guint32 label1, label2, label3;
6130 int index_var, src_ptr, loc, esize;
6132 eklass = klass->element_class;
6133 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6134 esize = sizeof (gpointer);
6135 else if (eklass == mono_defaults.char_class)
6136 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6138 esize = mono_class_native_size (eklass, NULL);
6139 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6140 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6143 mono_mb_emit_ldarg (mb, argnum);
6145 mono_mb_emit_byte (mb, CEE_LDIND_I);
6146 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6148 mono_mb_emit_ldloc (mb, conv_arg);
6149 mono_mb_emit_stloc (mb, src_ptr);
6151 /* Emit marshalling loop */
6152 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6153 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6154 mono_mb_emit_stloc (mb, index_var);
6155 label2 = mono_mb_get_label (mb);
6156 mono_mb_emit_ldloc (mb, index_var);
6157 mono_mb_emit_ldarg (mb, argnum);
6159 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6160 mono_mb_emit_byte (mb, CEE_LDLEN);
6161 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6163 /* Emit marshalling code */
6165 if (eklass == mono_defaults.stringbuilder_class) {
6166 gboolean need_free2;
6167 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6169 g_assert (conv != -1);
6172 mono_mb_emit_ldarg (mb, argnum);
6174 mono_mb_emit_byte (mb, CEE_LDIND_I);
6175 mono_mb_emit_ldloc (mb, index_var);
6176 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6179 mono_mb_emit_ldloc (mb, src_ptr);
6180 mono_mb_emit_byte (mb, CEE_LDIND_I);
6182 mono_mb_emit_icall (mb, conv_to_icall (conv));
6186 mono_mb_emit_ldloc (mb, src_ptr);
6187 mono_mb_emit_byte (mb, CEE_LDIND_I);
6189 mono_mb_emit_icall (mb, mono_marshal_free);
6192 else if (eklass == mono_defaults.string_class) {
6195 mono_mb_emit_ldloc (mb, src_ptr);
6196 mono_mb_emit_byte (mb, CEE_LDIND_I);
6198 mono_mb_emit_icall (mb, mono_marshal_free);
6203 /* set the src_ptr */
6204 mono_mb_emit_ldloc (mb, src_ptr);
6205 mono_mb_emit_stloc (mb, 0);
6208 mono_mb_emit_ldarg (mb, argnum);
6210 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6211 mono_mb_emit_ldloc (mb, index_var);
6212 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6213 mono_mb_emit_stloc (mb, 1);
6215 /* emit valuetype conversion code */
6216 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
6220 mono_mb_emit_ldloc (mb, src_ptr);
6221 mono_mb_emit_stloc (mb, loc);
6222 mono_mb_emit_ldloc (mb, loc);
6224 emit_struct_free (mb, eklass, loc);
6228 mono_mb_emit_add_to_local (mb, index_var, 1);
6229 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6231 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6233 mono_mb_patch_branch (mb, label1);
6234 mono_mb_patch_branch (mb, label3);
6237 if (klass->element_class->blittable) {
6238 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6240 mono_mb_emit_ldarg (mb, argnum);
6242 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6243 mono_mb_emit_ldloc (mb, conv_arg);
6244 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
6249 case MARSHAL_ACTION_PUSH:
6251 mono_mb_emit_ldloc_addr (mb, conv_arg);
6253 mono_mb_emit_ldloc (mb, conv_arg);
6256 case MARSHAL_ACTION_CONV_RESULT:
6257 /* fixme: we need conversions here */
6258 mono_mb_emit_stloc (mb, 3);
6261 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6263 guint32 label1, label2, label3;
6264 int index_var, src_ptr, esize, param_num, num_elem;
6265 MonoMarshalConv conv;
6266 gboolean is_string = FALSE;
6268 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6269 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6272 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6273 mono_mb_emit_exception_marshal_directive (mb, msg);
6277 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6278 mono_mb_emit_exception_marshal_directive (mb, msg);
6281 if (spec->native != MONO_NATIVE_LPARRAY) {
6282 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6283 mono_mb_emit_exception_marshal_directive (mb, msg);
6287 /* FIXME: t is from the method which is wrapped, not the delegate type */
6288 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6290 param_num = spec->data.array_data.param_num;
6291 num_elem = spec->data.array_data.num_elem;
6292 if (spec->data.array_data.elem_mult == 0)
6293 /* param_num is not specified */
6296 if (param_num == -1) {
6297 if (num_elem <= 0) {
6298 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6299 mono_mb_emit_exception_marshal_directive (mb, msg);
6304 /* FIXME: Optimize blittable case */
6306 eklass = klass->element_class;
6307 if (eklass == mono_defaults.string_class) {
6309 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6311 else if (eklass == mono_defaults.stringbuilder_class) {
6313 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6318 mono_marshal_load_type_info (eklass);
6321 esize = sizeof (gpointer);
6323 esize = mono_class_native_size (eklass, NULL);
6324 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6326 mono_mb_emit_byte (mb, CEE_LDNULL);
6327 mono_mb_emit_stloc (mb, conv_arg);
6329 /* Check param index */
6330 if (param_num != -1) {
6331 if (param_num >= m->sig->param_count) {
6332 char *msg = g_strdup ("Array size control parameter index is out of range.");
6333 mono_mb_emit_exception_marshal_directive (mb, msg);
6336 switch (m->sig->params [param_num]->type) {
6349 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6350 mono_mb_emit_exception_marshal_directive (mb, msg);
6357 mono_mb_emit_ldarg (mb, argnum);
6358 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6360 mono_mb_emit_ldarg (mb, argnum);
6361 mono_mb_emit_stloc (mb, src_ptr);
6363 /* Create managed array */
6365 * The LPArray marshalling spec says that sometimes param_num starts
6366 * from 1, sometimes it starts from 0. But MS seems to allways start
6370 if (param_num == -1) {
6371 mono_mb_emit_icon (mb, num_elem);
6373 mono_mb_emit_ldarg (mb, param_num);
6375 mono_mb_emit_icon (mb, num_elem);
6376 mono_mb_emit_byte (mb, CEE_ADD);
6378 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6381 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6382 mono_mb_emit_stloc (mb, conv_arg);
6384 if (eklass->blittable) {
6385 mono_mb_emit_ldloc (mb, conv_arg);
6386 mono_mb_emit_byte (mb, CEE_CONV_I);
6387 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6388 mono_mb_emit_byte (mb, CEE_ADD);
6389 mono_mb_emit_ldarg (mb, argnum);
6390 mono_mb_emit_ldloc (mb, conv_arg);
6391 mono_mb_emit_byte (mb, CEE_LDLEN);
6392 mono_mb_emit_icon (mb, esize);
6393 mono_mb_emit_byte (mb, CEE_MUL);
6394 mono_mb_emit_byte (mb, CEE_PREFIX1);
6395 mono_mb_emit_byte (mb, CEE_CPBLK);
6399 /* Emit marshalling loop */
6400 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6401 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6402 mono_mb_emit_stloc (mb, index_var);
6403 label2 = mono_mb_get_label (mb);
6404 mono_mb_emit_ldloc (mb, index_var);
6405 mono_mb_emit_ldloc (mb, conv_arg);
6406 mono_mb_emit_byte (mb, CEE_LDLEN);
6407 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6409 /* Emit marshalling code */
6411 g_assert (conv != -1);
6413 mono_mb_emit_ldloc (mb, conv_arg);
6414 mono_mb_emit_ldloc (mb, index_var);
6416 mono_mb_emit_ldloc (mb, src_ptr);
6417 mono_mb_emit_byte (mb, CEE_LDIND_I);
6419 mono_mb_emit_icall (mb, conv_to_icall (conv));
6420 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6423 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6424 mono_mb_emit_exception_marshal_directive (mb, msg);
6428 mono_mb_emit_add_to_local (mb, index_var, 1);
6429 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6431 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6433 mono_mb_patch_branch (mb, label1);
6434 mono_mb_patch_branch (mb, label3);
6438 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6440 guint32 label1, label2, label3;
6441 int index_var, dest_ptr, esize, param_num, num_elem;
6442 MonoMarshalConv conv;
6443 gboolean is_string = FALSE;
6446 /* Already handled in CONV_IN */
6449 /* These are already checked in CONV_IN */
6450 g_assert (!t->byref);
6451 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6452 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6454 param_num = spec->data.array_data.param_num;
6455 num_elem = spec->data.array_data.num_elem;
6457 if (spec->data.array_data.elem_mult == 0)
6458 /* param_num is not specified */
6461 if (param_num == -1) {
6462 if (num_elem <= 0) {
6463 g_assert_not_reached ();
6467 /* FIXME: Optimize blittable case */
6469 eklass = klass->element_class;
6470 if (eklass == mono_defaults.string_class) {
6472 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6474 else if (eklass == mono_defaults.stringbuilder_class) {
6476 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6481 mono_marshal_load_type_info (eklass);
6484 esize = sizeof (gpointer);
6486 esize = mono_class_native_size (eklass, NULL);
6488 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6491 mono_mb_emit_ldloc (mb, conv_arg);
6492 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6494 mono_mb_emit_ldarg (mb, argnum);
6495 mono_mb_emit_stloc (mb, dest_ptr);
6497 if (eklass->blittable) {
6499 mono_mb_emit_ldarg (mb, argnum);
6501 mono_mb_emit_ldloc (mb, conv_arg);
6502 mono_mb_emit_byte (mb, CEE_CONV_I);
6503 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6504 mono_mb_emit_byte (mb, CEE_ADD);
6506 mono_mb_emit_ldloc (mb, conv_arg);
6507 mono_mb_emit_byte (mb, CEE_LDLEN);
6508 mono_mb_emit_icon (mb, esize);
6509 mono_mb_emit_byte (mb, CEE_MUL);
6510 mono_mb_emit_byte (mb, CEE_PREFIX1);
6511 mono_mb_emit_byte (mb, CEE_CPBLK);
6515 /* Emit marshalling loop */
6516 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6517 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6518 mono_mb_emit_stloc (mb, index_var);
6519 label2 = mono_mb_get_label (mb);
6520 mono_mb_emit_ldloc (mb, index_var);
6521 mono_mb_emit_ldloc (mb, conv_arg);
6522 mono_mb_emit_byte (mb, CEE_LDLEN);
6523 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6525 /* Emit marshalling code */
6527 g_assert (conv != -1);
6530 mono_mb_emit_ldloc (mb, dest_ptr);
6533 mono_mb_emit_ldloc (mb, conv_arg);
6534 mono_mb_emit_ldloc (mb, index_var);
6536 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6538 mono_mb_emit_icall (mb, conv_to_icall (conv));
6539 mono_mb_emit_byte (mb, CEE_STIND_I);
6542 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6543 mono_mb_emit_exception_marshal_directive (mb, msg);
6547 mono_mb_emit_add_to_local (mb, index_var, 1);
6548 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6550 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6552 mono_mb_patch_branch (mb, label1);
6553 mono_mb_patch_branch (mb, label3);
6557 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6559 guint32 label1, label2, label3;
6560 int index_var, src, dest, esize;
6561 MonoMarshalConv conv = -1;
6562 gboolean is_string = FALSE;
6564 g_assert (!t->byref);
6566 eklass = klass->element_class;
6568 mono_marshal_load_type_info (eklass);
6570 if (eklass == mono_defaults.string_class) {
6572 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6575 g_assert_not_reached ();
6579 esize = sizeof (gpointer);
6580 else if (eklass == mono_defaults.char_class)
6581 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6583 esize = mono_class_native_size (eklass, NULL);
6585 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6586 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6588 mono_mb_emit_stloc (mb, src);
6589 mono_mb_emit_ldloc (mb, src);
6590 mono_mb_emit_stloc (mb, 3);
6592 /* Check for null */
6593 mono_mb_emit_ldloc (mb, src);
6594 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6596 /* Allocate native array */
6597 mono_mb_emit_icon (mb, esize);
6598 mono_mb_emit_ldloc (mb, src);
6599 mono_mb_emit_byte (mb, CEE_LDLEN);
6601 if (eklass == mono_defaults.string_class) {
6602 /* Make the array bigger for the terminating null */
6603 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6604 mono_mb_emit_byte (mb, CEE_ADD);
6606 mono_mb_emit_byte (mb, CEE_MUL);
6607 mono_mb_emit_icall (mb, mono_marshal_alloc);
6608 mono_mb_emit_stloc (mb, dest);
6609 mono_mb_emit_ldloc (mb, dest);
6610 mono_mb_emit_stloc (mb, 3);
6612 /* Emit marshalling loop */
6613 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6614 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6615 mono_mb_emit_stloc (mb, index_var);
6616 label2 = mono_mb_get_label (mb);
6617 mono_mb_emit_ldloc (mb, index_var);
6618 mono_mb_emit_ldloc (mb, src);
6619 mono_mb_emit_byte (mb, CEE_LDLEN);
6620 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6622 /* Emit marshalling code */
6624 g_assert (conv != -1);
6627 mono_mb_emit_ldloc (mb, dest);
6630 mono_mb_emit_ldloc (mb, src);
6631 mono_mb_emit_ldloc (mb, index_var);
6633 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6635 mono_mb_emit_icall (mb, conv_to_icall (conv));
6636 mono_mb_emit_byte (mb, CEE_STIND_I);
6639 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6640 mono_mb_emit_exception_marshal_directive (mb, msg);
6644 mono_mb_emit_add_to_local (mb, index_var, 1);
6645 mono_mb_emit_add_to_local (mb, dest, esize);
6647 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6649 mono_mb_patch_branch (mb, label3);
6650 mono_mb_patch_branch (mb, label1);
6654 g_assert_not_reached ();
6661 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
6664 return &mono_defaults.int32_class->byval_arg;
6666 switch (spec->native) {
6667 case MONO_NATIVE_I1:
6668 case MONO_NATIVE_U1:
6669 return &mono_defaults.byte_class->byval_arg;
6670 case MONO_NATIVE_VARIANTBOOL:
6671 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
6672 return &mono_defaults.int16_class->byval_arg;
6673 case MONO_NATIVE_BOOLEAN:
6674 return &mono_defaults.int32_class->byval_arg;
6676 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6677 return &mono_defaults.int32_class->byval_arg;
6683 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
6685 MonoClass* conv_arg_class = mono_defaults.int32_class;
6687 switch (spec->native) {
6688 case MONO_NATIVE_I1:
6689 case MONO_NATIVE_U1:
6690 conv_arg_class = mono_defaults.byte_class;
6691 if (ldop) *ldop = CEE_LDIND_I1;
6693 case MONO_NATIVE_VARIANTBOOL:
6694 conv_arg_class = mono_defaults.int16_class;
6695 if (ldop) *ldop = CEE_LDIND_I2;
6697 case MONO_NATIVE_BOOLEAN:
6700 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6703 return conv_arg_class;
6707 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
6708 MonoMarshalSpec *spec,
6709 int conv_arg, MonoType **conv_arg_type,
6710 MarshalAction action)
6714 case MARSHAL_ACTION_CONV_IN:
6716 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6718 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
6721 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6722 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
6724 *conv_arg_type = &conv_arg_class->this_arg;
6726 *conv_arg_type = &conv_arg_class->byval_arg;
6732 MonoMethodBuilder *mb = m->mb;
6735 case MARSHAL_ACTION_CONV_IN: {
6736 MonoType *local_type;
6738 guint8 ldc_op = CEE_LDC_I4_1;
6740 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
6742 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6744 *conv_arg_type = local_type;
6745 conv_arg = mono_mb_add_local (mb, local_type);
6747 mono_mb_emit_ldarg (mb, argnum);
6749 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6750 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6751 mono_mb_emit_byte (mb, ldc_op);
6752 mono_mb_emit_stloc (mb, conv_arg);
6753 mono_mb_patch_branch (mb, label_false);
6758 case MARSHAL_ACTION_CONV_OUT:
6760 int label_false, label_end;
6764 mono_mb_emit_ldarg (mb, argnum);
6765 mono_mb_emit_ldloc (mb, conv_arg);
6767 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6768 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6770 label_end = mono_mb_emit_branch (mb, CEE_BR);
6771 mono_mb_patch_branch (mb, label_false);
6772 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6773 mono_mb_patch_branch (mb, label_end);
6775 mono_mb_emit_byte (mb, CEE_STIND_I1);
6779 case MARSHAL_ACTION_PUSH:
6781 mono_mb_emit_ldloc_addr (mb, conv_arg);
6783 mono_mb_emit_ldloc (mb, conv_arg);
6785 mono_mb_emit_ldarg (mb, argnum);
6788 case MARSHAL_ACTION_CONV_RESULT:
6789 /* maybe we need to make sure that it fits within 8 bits */
6790 mono_mb_emit_stloc (mb, 3);
6793 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6794 MonoClass* conv_arg_class = mono_defaults.int32_class;
6795 guint8 ldop = CEE_LDIND_I4;
6796 int label_null, label_false;
6798 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
6799 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6802 *conv_arg_type = &conv_arg_class->this_arg;
6804 *conv_arg_type = &conv_arg_class->byval_arg;
6807 mono_mb_emit_ldarg (mb, argnum);
6811 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
6812 mono_mb_emit_ldarg (mb, argnum);
6813 mono_mb_emit_byte (mb, ldop);
6817 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6818 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6819 mono_mb_emit_stloc (mb, conv_arg);
6820 mono_mb_patch_branch (mb, label_false);
6823 mono_mb_patch_branch (mb, label_null);
6827 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6828 guint8 stop = CEE_STIND_I4;
6829 guint8 ldc_op = CEE_LDC_I4_1;
6830 int label_null,label_false, label_end;;
6835 switch (spec->native) {
6836 case MONO_NATIVE_I1:
6837 case MONO_NATIVE_U1:
6838 stop = CEE_STIND_I1;
6840 case MONO_NATIVE_VARIANTBOOL:
6841 stop = CEE_STIND_I2;
6842 ldc_op = CEE_LDC_I4_M1;
6850 mono_mb_emit_ldarg (mb, argnum);
6851 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
6853 mono_mb_emit_ldarg (mb, argnum);
6854 mono_mb_emit_ldloc (mb, conv_arg);
6856 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6857 mono_mb_emit_byte (mb, ldc_op);
6858 label_end = mono_mb_emit_branch (mb, CEE_BR);
6860 mono_mb_patch_branch (mb, label_false);
6861 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6862 mono_mb_patch_branch (mb, label_end);
6864 mono_mb_emit_byte (mb, stop);
6865 mono_mb_patch_branch (mb, label_null);
6870 g_assert_not_reached ();
6877 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6878 MonoMarshalSpec *spec, int conv_arg,
6879 MonoType **conv_arg_type, MarshalAction action)
6882 MonoMethodBuilder *mb = m->mb;
6885 case MARSHAL_ACTION_CONV_IN:
6886 /* MS seems to allow this in some cases, ie. bxc #158 */
6888 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
6889 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6890 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6895 case MARSHAL_ACTION_PUSH:
6896 mono_mb_emit_ldarg (mb, argnum);
6899 case MARSHAL_ACTION_CONV_RESULT:
6900 /* no conversions necessary */
6901 mono_mb_emit_stloc (mb, 3);
6912 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
6913 MonoMarshalSpec *spec, int conv_arg,
6914 MonoType **conv_arg_type, MarshalAction action)
6917 MonoMethodBuilder *mb = m->mb;
6920 case MARSHAL_ACTION_PUSH:
6921 /* fixme: dont know how to marshal that. We cant simply
6922 * convert it to a one byte UTF8 character, because an
6923 * unicode character may need more that one byte in UTF8 */
6924 mono_mb_emit_ldarg (mb, argnum);
6927 case MARSHAL_ACTION_CONV_RESULT:
6928 /* fixme: we need conversions here */
6929 mono_mb_emit_stloc (mb, 3);
6940 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
6941 MonoMarshalSpec *spec, int conv_arg,
6942 MonoType **conv_arg_type, MarshalAction action)
6945 MonoMethodBuilder *mb = m->mb;
6948 case MARSHAL_ACTION_PUSH:
6949 mono_mb_emit_ldarg (mb, argnum);
6952 case MARSHAL_ACTION_CONV_RESULT:
6953 /* no conversions necessary */
6954 mono_mb_emit_stloc (mb, 3);
6965 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
6966 MonoMarshalSpec *spec, int conv_arg,
6967 MonoType **conv_arg_type, MarshalAction action)
6969 /* Ensure that we have marshalling info for this param */
6970 mono_marshal_load_type_info (mono_class_from_mono_type (t));
6972 if (spec && spec->native == MONO_NATIVE_CUSTOM)
6973 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6975 if (spec && spec->native == MONO_NATIVE_ASANY)
6976 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6979 case MONO_TYPE_VALUETYPE:
6980 if (t->data.klass == mono_defaults.handleref_class)
6981 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6983 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6984 case MONO_TYPE_STRING:
6985 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6986 case MONO_TYPE_CLASS:
6987 case MONO_TYPE_OBJECT:
6989 if (spec && spec->native == MONO_NATIVE_STRUCT)
6990 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6992 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6993 spec->native == MONO_NATIVE_IDISPATCH ||
6994 spec->native == MONO_NATIVE_INTERFACE))
6995 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6996 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
6997 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
6998 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
6999 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7002 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7003 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7004 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7006 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7007 case MONO_TYPE_ARRAY:
7008 case MONO_TYPE_SZARRAY:
7009 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7010 case MONO_TYPE_BOOLEAN:
7011 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7013 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7014 case MONO_TYPE_CHAR:
7015 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7028 case MONO_TYPE_FNPTR:
7029 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7030 case MONO_TYPE_GENERICINST:
7031 if (mono_type_generic_inst_is_valuetype (t))
7032 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7034 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7042 * mono_marshal_emit_native_wrapper:
7043 * @image: the image to use for looking up custom marshallers
7044 * @sig: The signature of the native function
7045 * @piinfo: Marshalling information
7046 * @mspecs: Marshalling information
7047 * @aot: whenever the created method will be compiled by the AOT compiler
7048 * @method: if non-NULL, the pinvoke method to call
7049 * @check_exceptions: Whenever to check for pending exceptions after the native call
7050 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
7052 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7055 mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions, gboolean func_param)
7057 EmitMarshalContext m;
7058 MonoMethodSignature *csig;
7060 int i, argnum, *tmp_locals;
7061 int type, param_shift = 0;
7062 static MonoMethodSignature *get_last_error_sig = NULL;
7063 int coop_gc_stack_dummy, coop_gc_var;
7065 memset (&m, 0, sizeof (m));
7070 /* we copy the signature, so that we can set pinvoke to 0 */
7072 /* The function address is passed as the first argument */
7073 g_assert (!sig->hasthis);
7076 csig = mono_metadata_signature_dup_full (mb->method->klass->image, sig);
7084 /* we allocate local for use with emit_struct_conv() */
7085 /* allocate local 0 (pointer) src_ptr */
7086 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7087 /* allocate local 1 (pointer) dst_ptr */
7088 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7089 /* allocate local 2 (boolean) delete_old */
7090 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7092 /* delete_old = FALSE */
7093 mono_mb_emit_icon (mb, 0);
7094 mono_mb_emit_stloc (mb, 2);
7096 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7097 /* allocate local 3 to store the return value */
7098 mono_mb_add_local (mb, sig->ret);
7101 if (mono_threads_is_coop_enabled ()) {
7102 /* local 4, dummy local used to get a stack address for suspend funcs */
7103 coop_gc_stack_dummy = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7104 /* local 5, the local to be used when calling the suspend funcs */
7105 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7108 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7109 /* Return type custom marshaling */
7111 * Since we can't determine the return type of the unmanaged function,
7112 * we assume it returns a pointer, and pass that pointer to
7113 * MarshalNativeToManaged.
7115 csig->ret = &mono_defaults.int_class->byval_arg;
7118 /* we first do all conversions */
7119 tmp_locals = alloca (sizeof (int) * sig->param_count);
7120 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7122 for (i = 0; i < sig->param_count; i ++) {
7123 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7126 /* push all arguments */
7129 mono_mb_emit_byte (mb, CEE_LDARG_0);
7131 for (i = 0; i < sig->param_count; i++) {
7132 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7135 if (mono_threads_is_coop_enabled ()) {
7136 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7137 mono_mb_emit_icall (mb, mono_threads_prepare_blocking);
7138 mono_mb_emit_stloc (mb, coop_gc_var);
7141 /* call the native method */
7143 mono_mb_emit_byte (mb, CEE_LDARG_0);
7144 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
7145 mono_mb_emit_byte (mb, CEE_LDIND_I);
7146 mono_mb_emit_calli (mb, csig);
7147 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7149 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7151 g_assert_not_reached ();
7156 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7157 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7158 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7159 mono_mb_emit_calli (mb, csig);
7161 mono_mb_emit_native_call (mb, csig, func);
7165 /* Set LastError if needed */
7166 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7167 if (!get_last_error_sig) {
7168 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7169 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7170 get_last_error_sig->pinvoke = 1;
7175 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7176 * clobber its value.
7178 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7179 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7181 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7185 if (mono_threads_is_coop_enabled ()) {
7186 mono_mb_emit_ldloc (mb, coop_gc_var);
7187 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7188 mono_mb_emit_icall (mb, mono_threads_finish_blocking);
7191 /* convert the result */
7192 if (!sig->ret->byref) {
7193 MonoMarshalSpec *spec = mspecs [0];
7194 type = sig->ret->type;
7196 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7197 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7202 case MONO_TYPE_VOID:
7204 case MONO_TYPE_VALUETYPE:
7205 klass = sig->ret->data.klass;
7206 if (klass->enumtype) {
7207 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7210 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7224 case MONO_TYPE_FNPTR:
7225 case MONO_TYPE_STRING:
7226 case MONO_TYPE_CLASS:
7227 case MONO_TYPE_OBJECT:
7228 case MONO_TYPE_BOOLEAN:
7229 case MONO_TYPE_ARRAY:
7230 case MONO_TYPE_SZARRAY:
7231 case MONO_TYPE_CHAR:
7233 case MONO_TYPE_GENERICINST:
7234 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7236 case MONO_TYPE_TYPEDBYREF:
7238 g_warning ("return type 0x%02x unknown", sig->ret->type);
7239 g_assert_not_reached ();
7243 mono_mb_emit_stloc (mb, 3);
7247 * Need to call this after converting the result since MONO_VTADDR needs
7248 * to be adjacent to the call instruction.
7250 if (check_exceptions)
7251 emit_thread_interrupt_checkpoint (mb);
7253 /* we need to convert byref arguments back and free string arrays */
7254 for (i = 0; i < sig->param_count; i++) {
7255 MonoType *t = sig->params [i];
7256 MonoMarshalSpec *spec = mspecs [i + 1];
7258 argnum = i + param_shift;
7260 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7261 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7266 case MONO_TYPE_STRING:
7267 case MONO_TYPE_VALUETYPE:
7268 case MONO_TYPE_CLASS:
7269 case MONO_TYPE_OBJECT:
7270 case MONO_TYPE_SZARRAY:
7271 case MONO_TYPE_BOOLEAN:
7272 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7279 if (!MONO_TYPE_IS_VOID(sig->ret))
7280 mono_mb_emit_ldloc (mb, 3);
7282 mono_mb_emit_byte (mb, CEE_RET);
7284 #endif /* DISABLE_JIT */
7287 * mono_marshal_get_native_wrapper:
7288 * @method: The MonoMethod to wrap.
7289 * @check_exceptions: Whenever to check for pending exceptions
7291 * generates IL code for the pinvoke wrapper (the generated method
7292 * calls the unmanaged code in piinfo->addr)
7293 * The wrapper info for the wrapper is a WrapperInfo structure.
7296 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7298 MonoMethodSignature *sig, *csig;
7299 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7300 MonoMethodBuilder *mb;
7301 MonoMarshalSpec **mspecs;
7304 gboolean pinvoke = FALSE;
7307 const char *exc_class = "MissingMethodException";
7308 const char *exc_arg = NULL;
7311 g_assert (method != NULL);
7312 g_assert (mono_method_signature (method)->pinvoke);
7314 GHashTable **cache_ptr;
7317 if (check_exceptions)
7318 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_check_cache;
7320 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_cache;
7322 if (check_exceptions)
7323 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_check_cache;
7325 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_cache;
7328 cache = get_cache (cache_ptr, mono_aligned_addr_hash, NULL);
7330 if ((res = mono_marshal_find_in_cache (cache, method)))
7333 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7334 /* The COM code is not AOT compatible, it calls mono_custom_attrs_get_attr_checked () */
7338 return mono_cominterop_get_native_wrapper (method);
7340 g_assert_not_reached ();
7344 sig = mono_method_signature (method);
7346 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7347 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7350 if (!piinfo->addr) {
7352 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7353 exc_arg = "Method contains unsupported native code";
7355 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7357 piinfo->addr = mono_lookup_internal_call (method);
7361 /* hack - redirect certain string constructors to CreateString */
7362 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7363 g_assert (!pinvoke);
7364 g_assert (method->string_ctor);
7365 g_assert (sig->hasthis);
7367 /* CreateString returns a value */
7368 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7369 csig->ret = &mono_defaults.string_class->byval_arg;
7373 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7374 if (!strcmp ("CreateString", res->name) &&
7375 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7378 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7379 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7381 /* create a wrapper to preserve .ctor in stack trace */
7382 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7385 mono_mb_emit_byte (mb, CEE_LDARG_0);
7386 for (i = 1; i <= csig->param_count; i++)
7387 mono_mb_emit_ldarg (mb, i);
7388 mono_mb_emit_managed_call (mb, res, NULL);
7389 mono_mb_emit_byte (mb, CEE_RET);
7392 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
7393 info->d.string_ctor.method = method;
7395 /* use native_wrapper_cache because internal calls are looked up there */
7396 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7397 csig->param_count + 1, info, NULL);
7404 /* exception will be thrown */
7405 piinfo->addr = NULL;
7406 g_warning ("cannot find CreateString for .ctor");
7409 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7411 mb->method->save_lmf = 1;
7414 * In AOT mode and embedding scenarios, it is possible that the icall is not
7415 * registered in the runtime doing the AOT compilation.
7417 if (!piinfo->addr && !aot) {
7419 mono_mb_emit_exception (mb, exc_class, exc_arg);
7421 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7422 info->d.managed_to_native.method = method;
7424 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7426 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7427 csig->param_count + 16, info, NULL);
7433 /* internal calls: we simply push all arguments and call the method (no conversions) */
7434 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7436 csig = mono_metadata_signature_dup_add_this (method->klass->image, sig, method->klass);
7438 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7440 /* hack - string constructors returns a value */
7441 if (method->string_ctor)
7442 csig->ret = &mono_defaults.string_class->byval_arg;
7449 * Add a null check since public icalls can be called with 'call' which
7450 * does no such check.
7452 mono_mb_emit_byte (mb, CEE_LDARG_0);
7453 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7454 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
7455 mono_mb_patch_branch (mb, pos);
7457 mono_mb_emit_byte (mb, CEE_LDARG_0);
7460 for (i = 0; i < sig->param_count; i++)
7461 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7464 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7465 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7466 mono_mb_emit_calli (mb, csig);
7468 g_assert (piinfo->addr);
7469 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7471 if (check_exceptions)
7472 emit_thread_interrupt_checkpoint (mb);
7473 mono_mb_emit_byte (mb, CEE_RET);
7475 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7476 info->d.managed_to_native.method = method;
7478 csig = mono_metadata_signature_dup_full (method->klass->image, csig);
7480 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
7489 g_assert (piinfo->addr);
7492 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7493 mono_method_get_marshal_info (method, mspecs);
7495 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
7497 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
7498 info->d.managed_to_native.method = method;
7500 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7502 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
7507 for (i = sig->param_count; i >= 0; i--)
7509 mono_metadata_free_marshal_spec (mspecs [i]);
7513 /* mono_method_print_code (res); */
7519 * mono_marshal_get_native_func_wrapper:
7520 * @image: The image to use for memory allocation and for looking up custom marshallers.
7521 * @sig: The signature of the function
7522 * @func: The native function to wrap
7524 * Returns a wrapper method around native functions, similar to the pinvoke
7528 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7529 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7531 MonoMethodSignature *csig;
7533 SignaturePointerPair key, *new_key;
7534 MonoMethodBuilder *mb;
7543 // Generic types are not safe to place in MonoImage caches.
7544 g_assert (!sig->is_inflated);
7546 cache = get_cache (&image->native_func_wrapper_cache, signature_pointer_pair_hash, signature_pointer_pair_equal);
7547 if ((res = mono_marshal_find_in_cache (cache, &key)))
7550 name = g_strdup_printf ("wrapper_native_%p", func);
7551 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7552 mb->method->save_lmf = 1;
7555 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
7558 csig = mono_metadata_signature_dup_full (image, sig);
7561 new_key = g_new (SignaturePointerPair,1);
7562 new_key->sig = csig;
7563 new_key->pointer = func;
7565 res = mono_mb_create_and_cache_full (cache, new_key, mb, csig, csig->param_count + 16, NULL, &found);
7571 mono_marshal_set_wrapper_info (res, NULL);
7577 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
7581 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
7583 MonoMethodSignature *sig, *csig;
7584 MonoMethodBuilder *mb;
7589 MonoMethodPInvoke mpiinfo;
7590 MonoMethodPInvoke *piinfo = &mpiinfo;
7591 MonoMarshalSpec **mspecs;
7592 MonoMethod *invoke = mono_get_delegate_invoke (klass);
7593 MonoImage *image = invoke->klass->image;
7596 // FIXME: include UnmanagedFunctionPointerAttribute info
7599 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
7601 cache = get_cache (&mono_method_get_wrapper_cache (invoke)->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
7603 if ((res = mono_marshal_find_in_cache (cache, invoke)))
7606 memset (&mpiinfo, 0, sizeof (mpiinfo));
7607 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
7609 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7610 mono_method_get_marshal_info (invoke, mspecs);
7611 /* Freed below so don't alloc from mempool */
7612 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
7615 name = g_strdup_printf ("wrapper_aot_native");
7616 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7617 mb->method->save_lmf = 1;
7620 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
7623 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
7624 info->d.managed_to_native.method = invoke;
7626 g_assert (!sig->hasthis);
7627 csig = mono_metadata_signature_dup_add_this (image, sig, mono_defaults.object_class);
7629 res = mono_mb_create_and_cache_full (cache, invoke,
7630 mb, csig, csig->param_count + 16,
7634 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7636 mono_metadata_free_marshal_spec (mspecs [i]);
7644 * mono_marshal_emit_managed_wrapper:
7646 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
7647 * the delegate which wraps the managed method to be called. For closed delegates,
7648 * it could have fewer parameters than the method it wraps.
7649 * THIS_LOC is the memory location where the target of the delegate is stored.
7652 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
7655 MonoMethodSignature *sig, *csig;
7661 /* we first do all conversions */
7662 for (i = 0; i < sig->param_count; i ++) {
7663 MonoType *t = sig->params [i];
7666 case MONO_TYPE_OBJECT:
7667 case MONO_TYPE_CLASS:
7668 case MONO_TYPE_VALUETYPE:
7669 case MONO_TYPE_ARRAY:
7670 case MONO_TYPE_SZARRAY:
7671 case MONO_TYPE_STRING:
7672 case MONO_TYPE_BOOLEAN:
7673 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7677 if (!sig->ret->byref) {
7678 switch (sig->ret->type) {
7679 case MONO_TYPE_STRING:
7680 csig->ret = &mono_defaults.int_class->byval_arg;
7687 MonoMethodSignature *sig, *csig;
7689 gboolean closed = FALSE;
7690 int coop_gc_var, coop_gc_dummy_local;
7695 /* allocate local 0 (pointer) src_ptr */
7696 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7697 /* allocate local 1 (pointer) dst_ptr */
7698 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7699 /* allocate local 2 (boolean) delete_old */
7700 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7702 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
7703 /* Closed delegate */
7704 g_assert (sig->param_count == invoke_sig->param_count + 1);
7706 /* Use a new signature without the first argument */
7707 sig = mono_metadata_signature_dup (sig);
7708 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
7709 sig->param_count --;
7712 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7713 /* allocate local 3 to store the return value */
7714 mono_mb_add_local (mb, sig->ret);
7717 if (mono_threads_is_coop_enabled ()) {
7718 /* local 4, the local to be used when calling the reset_blocking funcs */
7719 /* tons of code hardcode 3 to be the return var */
7720 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7721 /* local 5, the local used to get a stack address for suspend funcs */
7722 coop_gc_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7725 mono_mb_emit_icon (mb, 0);
7726 mono_mb_emit_stloc (mb, 2);
7729 * Might need to attach the thread to the JIT or change the
7730 * domain for the callback.
7732 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7733 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
7735 if (mono_threads_is_coop_enabled ()) {
7736 /* XXX can we merge reset_blocking_start with JIT_ATTACH above and save one call? */
7737 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
7738 mono_mb_emit_icall (mb, mono_threads_reset_blocking_start);
7739 mono_mb_emit_stloc (mb, coop_gc_var);
7742 /* we first do all conversions */
7743 tmp_locals = alloca (sizeof (int) * sig->param_count);
7744 for (i = 0; i < sig->param_count; i ++) {
7745 MonoType *t = sig->params [i];
7748 case MONO_TYPE_OBJECT:
7749 case MONO_TYPE_CLASS:
7750 case MONO_TYPE_VALUETYPE:
7751 case MONO_TYPE_ARRAY:
7752 case MONO_TYPE_SZARRAY:
7753 case MONO_TYPE_STRING:
7754 case MONO_TYPE_BOOLEAN:
7755 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7764 emit_thread_interrupt_checkpoint (mb);
7767 if (target_handle) {
7768 mono_mb_emit_icon (mb, (gint32)target_handle);
7769 mono_mb_emit_icall (mb, mono_gchandle_get_target);
7772 g_assert_not_reached ();
7774 } else if (closed) {
7775 mono_mb_emit_icon (mb, (gint32)target_handle);
7776 mono_mb_emit_icall (mb, mono_gchandle_get_target);
7779 for (i = 0; i < sig->param_count; i++) {
7780 MonoType *t = sig->params [i];
7782 if (tmp_locals [i]) {
7784 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7786 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7789 mono_mb_emit_ldarg (mb, i);
7792 mono_mb_emit_managed_call (mb, method, NULL);
7794 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7795 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7796 } else if (!sig->ret->byref) {
7797 switch (sig->ret->type) {
7798 case MONO_TYPE_VOID:
7800 case MONO_TYPE_BOOLEAN:
7803 case MONO_TYPE_CHAR:
7815 case MONO_TYPE_OBJECT:
7816 mono_mb_emit_stloc (mb, 3);
7818 case MONO_TYPE_STRING:
7819 csig->ret = &mono_defaults.int_class->byval_arg;
7820 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7822 case MONO_TYPE_VALUETYPE:
7823 case MONO_TYPE_CLASS:
7824 case MONO_TYPE_SZARRAY:
7825 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7828 g_warning ("return type 0x%02x unknown", sig->ret->type);
7829 g_assert_not_reached ();
7832 mono_mb_emit_stloc (mb, 3);
7835 /* Convert byref arguments back */
7836 for (i = 0; i < sig->param_count; i ++) {
7837 MonoType *t = sig->params [i];
7838 MonoMarshalSpec *spec = mspecs [i + 1];
7840 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7841 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7843 else if (t->byref) {
7845 case MONO_TYPE_CLASS:
7846 case MONO_TYPE_VALUETYPE:
7847 case MONO_TYPE_OBJECT:
7848 case MONO_TYPE_STRING:
7849 case MONO_TYPE_BOOLEAN:
7850 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7856 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7857 /* The [Out] information is encoded in the delegate signature */
7859 case MONO_TYPE_SZARRAY:
7860 case MONO_TYPE_CLASS:
7861 case MONO_TYPE_VALUETYPE:
7862 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7865 g_assert_not_reached ();
7870 if (mono_threads_is_coop_enabled ()) {
7871 /* XXX merge reset_blocking_end with detach */
7872 mono_mb_emit_ldloc (mb, coop_gc_var);
7873 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
7874 mono_mb_emit_icall (mb, mono_threads_reset_blocking_end);
7877 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7878 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
7880 if (m->retobj_var) {
7881 mono_mb_emit_ldloc (mb, m->retobj_var);
7882 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7883 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
7886 if (!MONO_TYPE_IS_VOID(sig->ret))
7887 mono_mb_emit_ldloc (mb, 3);
7888 mono_mb_emit_byte (mb, CEE_RET);
7897 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
7899 MonoMethodSignature *sig;
7904 * Under windows, delegates passed to native code must use the STDCALL
7905 * calling convention.
7907 csig->call_convention = MONO_CALL_STDCALL;
7910 sig = mono_method_signature (method);
7912 /* Change default calling convention if needed */
7913 /* Why is this a modopt ? */
7914 if (sig->ret && sig->ret->num_mods) {
7915 for (i = 0; i < sig->ret->num_mods; ++i) {
7917 MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
7918 g_assert (mono_error_ok (&error));
7919 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7920 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7921 csig->call_convention = MONO_CALL_C;
7922 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7923 csig->call_convention = MONO_CALL_STDCALL;
7924 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7925 csig->call_convention = MONO_CALL_FASTCALL;
7926 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7927 csig->call_convention = MONO_CALL_THISCALL;
7934 * generates IL code to call managed methods from unmanaged code
7935 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
7938 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
7940 static MonoClass *UnmanagedFunctionPointerAttribute;
7941 MonoMethodSignature *sig, *csig, *invoke_sig;
7942 MonoMethodBuilder *mb;
7943 MonoMethod *res, *invoke;
7944 MonoMarshalSpec **mspecs;
7945 MonoMethodPInvoke piinfo;
7948 EmitMarshalContext m;
7950 g_assert (method != NULL);
7951 g_assert (!mono_method_signature (method)->pinvoke);
7954 * FIXME: Should cache the method+delegate type pair, since the same method
7955 * could be called with different delegates, thus different marshalling
7958 cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
7960 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
7963 invoke = mono_get_delegate_invoke (delegate_klass);
7964 invoke_sig = mono_method_signature (invoke);
7966 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7967 mono_method_get_marshal_info (invoke, mspecs);
7969 sig = mono_method_signature (method);
7971 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
7973 /*the target gchandle must be the first entry after size and the wrapper itself.*/
7974 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
7976 /* we copy the signature, so that we can modify it */
7978 /* Need to free this later */
7979 csig = mono_metadata_signature_dup (invoke_sig);
7981 csig = mono_metadata_signature_dup_full (method->klass->image, invoke_sig);
7985 memset (&m, 0, sizeof (m));
7991 m.image = method->klass->image;
7993 mono_marshal_set_callconv_from_modopt (invoke, csig);
7995 /* Handle the UnmanagedFunctionPointerAttribute */
7996 if (!UnmanagedFunctionPointerAttribute)
7997 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
7999 /* The attribute is only available in Net 2.0 */
8000 if (UnmanagedFunctionPointerAttribute) {
8001 MonoCustomAttrInfo *cinfo;
8002 MonoCustomAttrEntry *attr;
8005 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8006 * contents of the attribute without constructing it, as that might not be
8007 * possible when running in cross-compiling mode.
8009 cinfo = mono_custom_attrs_from_class (delegate_klass);
8012 for (i = 0; i < cinfo->num_attrs; ++i) {
8013 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
8014 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
8015 attr = &cinfo->attrs [i];
8021 MonoArray *typed_args, *named_args;
8022 CattrNamedArg *arginfo;
8026 MonoBoolean set_last_error = 0;
8029 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
8030 g_assert (mono_error_ok (&error));
8031 g_assert (mono_array_length (typed_args) == 1);
8034 o = mono_array_get (typed_args, MonoObject*, 0);
8035 call_conv = *(gint32*)mono_object_unbox (o);
8038 for (i = 0; i < mono_array_length (named_args); ++i) {
8039 CattrNamedArg *narg = &arginfo [i];
8041 o = mono_array_get (named_args, MonoObject*, i);
8043 g_assert (narg->field);
8044 if (!strcmp (narg->field->name, "CharSet")) {
8045 charset = *(gint32*)mono_object_unbox (o);
8046 } else if (!strcmp (narg->field->name, "SetLastError")) {
8047 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8048 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8049 // best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8050 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8051 // throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8053 g_assert_not_reached ();
8059 memset (&piinfo, 0, sizeof (piinfo));
8061 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8063 csig->call_convention = call_conv - 1;
8066 if (cinfo && !cinfo->cached)
8067 mono_custom_attrs_free (cinfo);
8070 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8072 if (!target_handle) {
8075 // FIXME: Associate it with the method+delegate_klass pair
8076 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8077 info->d.native_to_managed.method = method;
8078 info->d.native_to_managed.klass = delegate_klass;
8080 res = mono_mb_create_and_cache_full (cache, method,
8081 mb, csig, sig->param_count + 16,
8087 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8091 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8093 mono_metadata_free_marshal_spec (mspecs [i]);
8096 /* mono_method_print_code (res); */
8102 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8105 MonoMethodSignature *sig;
8106 MonoMethodBuilder *mb;
8111 method = mono_get_method (image, token, NULL);
8114 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8115 MonoMethodSignature *csig;
8116 MonoMarshalSpec **mspecs;
8117 EmitMarshalContext m;
8119 sig = mono_method_signature (method);
8120 g_assert (!sig->hasthis);
8122 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8123 mono_method_get_marshal_info (method, mspecs);
8125 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8126 csig = mono_metadata_signature_dup_full (image, sig);
8130 memset (&m, 0, sizeof (m));
8138 mono_marshal_set_callconv_from_modopt (method, csig);
8140 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8142 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8147 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8150 for (i = sig->param_count; i >= 0; i--)
8152 mono_metadata_free_marshal_spec (mspecs [i]);
8155 return mono_compile_method (method);
8158 sig = mono_method_signature (method);
8159 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8161 param_count = sig->param_count + sig->hasthis;
8163 for (i = 0; i < param_count; i++)
8164 mono_mb_emit_ldarg (mb, i);
8166 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8167 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8169 mono_mb_emit_op (mb, CEE_CALL, method);
8170 mono_mb_emit_byte (mb, CEE_RET);
8175 method = mono_mb_create (mb, sig, param_count, NULL);
8178 return mono_compile_method (method);
8184 * The code directly following this is the cache hit, value positive branch
8186 * This function takes a new method builder with 0 locals and adds two locals
8187 * to create multiple out-branches and the fall through state of having the object
8188 * on the stack after a cache miss
8191 generate_check_cache (int obj_arg_position, int class_arg_position, int cache_arg_position, // In-parameters
8192 int *null_obj, int *cache_hit_neg, int *cache_hit_pos, // Out-parameters
8193 MonoMethodBuilder *mb)
8197 /* allocate local 0 (pointer) obj_vtable */
8198 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8199 /* allocate local 1 (pointer) cached_vtable */
8200 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8203 mono_mb_emit_ldarg (mb, obj_arg_position);
8204 *null_obj = mono_mb_emit_branch (mb, CEE_BRFALSE);
8206 /*obj_vtable = obj->vtable;*/
8207 mono_mb_emit_ldarg (mb, obj_arg_position);
8208 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
8209 mono_mb_emit_byte (mb, CEE_LDIND_I);
8210 mono_mb_emit_stloc (mb, 0);
8212 /* cached_vtable = *cache*/
8213 mono_mb_emit_ldarg (mb, cache_arg_position);
8214 mono_mb_emit_byte (mb, CEE_LDIND_I);
8215 mono_mb_emit_stloc (mb, 1);
8217 mono_mb_emit_ldloc (mb, 1);
8218 mono_mb_emit_byte (mb, CEE_LDC_I4);
8219 mono_mb_emit_i4 (mb, ~0x1);
8220 mono_mb_emit_byte (mb, CEE_CONV_I);
8221 mono_mb_emit_byte (mb, CEE_AND);
8222 mono_mb_emit_ldloc (mb, 0);
8223 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
8224 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8226 /*return (cached_vtable & 0x1) ? NULL : obj;*/
8227 mono_mb_emit_ldloc (mb, 1);
8228 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
8229 mono_mb_emit_byte (mb, CEE_CONV_U);
8230 mono_mb_emit_byte (mb, CEE_AND);
8231 *cache_hit_neg = mono_mb_emit_branch (mb, CEE_BRTRUE);
8232 *cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
8235 mono_mb_patch_branch (mb, cache_miss_pos);
8238 mono_mb_emit_ldarg (mb, obj_arg_position);
8239 mono_mb_emit_ldarg (mb, class_arg_position);
8240 mono_mb_emit_ldarg (mb, cache_arg_position);
8241 mono_mb_emit_icall (mb, mono_marshal_isinst_with_cache);
8244 #endif /* DISABLE_JIT */
8247 * This does the equivalent of mono_object_castclass_with_cache.
8248 * The wrapper info for the wrapper is a WrapperInfo structure.
8251 mono_marshal_get_castclass_with_cache (void)
8253 static MonoMethod *cached;
8255 MonoMethodBuilder *mb;
8256 MonoMethodSignature *sig;
8257 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos, invalid_cast_pos;
8260 const int obj_arg_position = 0;
8261 const int class_arg_position = 1;
8262 const int cache_arg_position = 2;
8267 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8268 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8269 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8270 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8271 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8272 sig->ret = &mono_defaults.object_class->byval_arg;
8276 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
8277 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
8278 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8281 mono_mb_patch_branch (mb, positive_cache_hit_pos);
8282 mono_mb_emit_ldarg (mb, obj_arg_position);
8283 mono_mb_emit_byte (mb, CEE_RET);
8286 mono_mb_patch_branch (mb, negative_cache_hit_pos);
8287 mono_mb_patch_branch (mb, invalid_cast_pos);
8288 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8291 mono_mb_patch_branch (mb, return_null_pos);
8292 mono_mb_emit_byte (mb, CEE_LDNULL);
8293 mono_mb_emit_byte (mb, CEE_RET);
8294 #endif /* DISABLE_JIT */
8296 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
8297 res = mono_mb_create (mb, sig, 8, info);
8300 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8301 mono_free_method (res);
8302 mono_metadata_free_method_signature (sig);
8310 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache)
8312 MonoObject *isinst = mono_object_isinst (obj, klass);
8314 #ifndef DISABLE_REMOTING
8315 if (obj->vtable->klass == mono_defaults.transparent_proxy_class)
8319 uintptr_t cache_update = (uintptr_t)obj->vtable;
8321 cache_update = cache_update | 0x1;
8323 *cache = cache_update;
8329 * This does the equivalent of mono_object_isinst_with_cache.
8330 * The wrapper info for the wrapper is a WrapperInfo structure.
8333 mono_marshal_get_isinst_with_cache (void)
8335 static MonoMethod *cached;
8337 MonoMethodBuilder *mb;
8338 MonoMethodSignature *sig;
8339 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos;
8342 const int obj_arg_position = 0;
8343 const int class_arg_position = 1;
8344 const int cache_arg_position = 2;
8349 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
8350 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8352 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8354 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8356 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8357 sig->ret = &mono_defaults.object_class->byval_arg;
8361 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
8362 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
8363 // Return the object gotten via the slow path.
8364 mono_mb_emit_byte (mb, CEE_RET);
8367 mono_mb_patch_branch (mb, negative_cache_hit_pos);
8368 mono_mb_patch_branch (mb, return_null_pos);
8369 mono_mb_emit_byte (mb, CEE_LDNULL);
8370 mono_mb_emit_byte (mb, CEE_RET);
8373 mono_mb_patch_branch (mb, positive_cache_hit_pos);
8374 mono_mb_emit_ldarg (mb, 0);
8375 mono_mb_emit_byte (mb, CEE_RET);
8378 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
8379 res = mono_mb_create (mb, sig, 8, info);
8382 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8383 mono_free_method (res);
8384 mono_metadata_free_method_signature (sig);
8392 * mono_marshal_get_isinst:
8393 * @klass: the type of the field
8395 * This method generates a function which can be used to check if an object is
8396 * an instance of the given type, icluding the case where the object is a proxy.
8397 * The generated function has the following signature:
8398 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8401 mono_marshal_get_isinst (MonoClass *klass)
8403 static MonoMethodSignature *isint_sig = NULL;
8407 int pos_was_ok, pos_end;
8408 #ifndef DISABLE_REMOTING
8409 int pos_end2, pos_failed;
8412 MonoMethodBuilder *mb;
8414 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8415 if ((res = mono_marshal_find_in_cache (cache, klass)))
8419 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8420 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8421 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8422 isint_sig->pinvoke = 0;
8425 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8426 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8429 mb->method->save_lmf = 1;
8432 /* check if the object is a proxy that needs special cast */
8433 mono_mb_emit_ldarg (mb, 0);
8434 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8435 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8437 /* The result of MONO_CISINST can be:
8438 0) the type check succeeded
8439 1) the type check did not succeed
8440 2) a CanCastTo call is needed */
8441 #ifndef DISABLE_REMOTING
8442 mono_mb_emit_byte (mb, CEE_DUP);
8443 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8445 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8446 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8448 /* get the real proxy from the transparent proxy*/
8450 mono_mb_emit_ldarg (mb, 0);
8451 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8452 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8456 mono_mb_patch_branch (mb, pos_failed);
8457 mono_mb_emit_byte (mb, CEE_LDNULL);
8458 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8462 mono_mb_patch_branch (mb, pos_was_ok);
8463 mono_mb_emit_byte (mb, CEE_POP);
8464 mono_mb_emit_ldarg (mb, 0);
8468 mono_mb_patch_branch (mb, pos_end);
8469 mono_mb_patch_branch (mb, pos_end2);
8470 mono_mb_emit_byte (mb, CEE_RET);
8472 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8476 mono_mb_emit_byte (mb, CEE_LDNULL);
8477 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8481 mono_mb_patch_branch (mb, pos_was_ok);
8482 mono_mb_emit_ldarg (mb, 0);
8486 mono_mb_patch_branch (mb, pos_end);
8487 mono_mb_emit_byte (mb, CEE_RET);
8488 #endif /* DISABLE_REMOTING */
8489 #endif /* DISABLE_JIT */
8491 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8492 info->d.proxy.klass = klass;
8493 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
8500 * mono_marshal_get_castclass:
8501 * @klass: the type of the field
8503 * This method generates a function which can be used to cast an object to
8504 * an instance of the given type, icluding the case where the object is a proxy.
8505 * The generated function has the following signature:
8506 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8507 * The wrapper info for the wrapper is a WrapperInfo structure.
8510 mono_marshal_get_castclass (MonoClass *klass)
8512 static MonoMethodSignature *castclass_sig = NULL;
8515 #ifndef DISABLE_REMOTING
8516 int pos_was_ok, pos_was_ok2;
8519 MonoMethodBuilder *mb;
8522 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
8523 if ((res = mono_marshal_find_in_cache (cache, klass)))
8526 if (!castclass_sig) {
8527 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8528 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8529 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8530 castclass_sig->pinvoke = 0;
8533 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8534 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8537 mb->method->save_lmf = 1;
8540 /* check if the object is a proxy that needs special cast */
8541 mono_mb_emit_ldarg (mb, 0);
8542 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8543 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8545 /* The result of MONO_CCASTCLASS can be:
8546 0) the cast is valid
8547 1) cast of unknown proxy type
8548 or an exception if the cast is is invalid
8550 #ifndef DISABLE_REMOTING
8551 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8553 /* get the real proxy from the transparent proxy*/
8555 mono_mb_emit_ldarg (mb, 0);
8556 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8557 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8560 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8563 mono_mb_patch_branch (mb, pos_was_ok);
8564 mono_mb_patch_branch (mb, pos_was_ok2);
8566 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
8567 mono_mb_emit_byte (mb, CEE_POP);
8568 #endif /* DISABLE_REMOTING */
8570 mono_mb_emit_ldarg (mb, 0);
8573 mono_mb_emit_byte (mb, CEE_RET);
8574 #endif /* DISABLE_JIT */
8576 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8578 res = mono_mb_create_and_cache_full (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16,
8586 * mono_marshal_get_struct_to_ptr:
8589 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8590 * The wrapper info for the wrapper is a WrapperInfo structure.
8593 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8595 MonoMethodBuilder *mb;
8596 static MonoMethod *stoptr = NULL;
8600 g_assert (klass != NULL);
8602 mono_marshal_load_type_info (klass);
8604 if (klass->marshal_info->str_to_ptr)
8605 return klass->marshal_info->str_to_ptr;
8608 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8611 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8614 if (klass->blittable) {
8615 mono_mb_emit_byte (mb, CEE_LDARG_1);
8616 mono_mb_emit_byte (mb, CEE_LDARG_0);
8617 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8618 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8619 mono_mb_emit_byte (mb, CEE_PREFIX1);
8620 mono_mb_emit_byte (mb, CEE_CPBLK);
8623 /* allocate local 0 (pointer) src_ptr */
8624 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8625 /* allocate local 1 (pointer) dst_ptr */
8626 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8627 /* allocate local 2 (boolean) delete_old */
8628 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8629 mono_mb_emit_byte (mb, CEE_LDARG_2);
8630 mono_mb_emit_stloc (mb, 2);
8632 /* initialize src_ptr to point to the start of object data */
8633 mono_mb_emit_byte (mb, CEE_LDARG_0);
8634 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8635 mono_mb_emit_stloc (mb, 0);
8637 /* initialize dst_ptr */
8638 mono_mb_emit_byte (mb, CEE_LDARG_1);
8639 mono_mb_emit_stloc (mb, 1);
8641 emit_struct_conv (mb, klass, FALSE);
8644 mono_mb_emit_byte (mb, CEE_RET);
8646 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
8647 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
8650 klass->marshal_info->str_to_ptr = res;
8655 * mono_marshal_get_ptr_to_struct:
8658 * generates IL code for PtrToStructure (IntPtr src, object structure)
8659 * The wrapper info for the wrapper is a WrapperInfo structure.
8662 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8664 MonoMethodBuilder *mb;
8665 static MonoMethodSignature *ptostr = NULL;
8669 g_assert (klass != NULL);
8671 mono_marshal_load_type_info (klass);
8673 if (klass->marshal_info->ptr_to_str)
8674 return klass->marshal_info->ptr_to_str;
8677 MonoMethodSignature *sig;
8679 /* Create the signature corresponding to
8680 static void PtrToStructure (IntPtr ptr, object structure);
8681 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8682 sig = mono_create_icall_signature ("void ptr object");
8683 sig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
8685 mono_memory_barrier ();
8689 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8692 if (klass->blittable) {
8693 mono_mb_emit_byte (mb, CEE_LDARG_1);
8694 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8695 mono_mb_emit_byte (mb, CEE_LDARG_0);
8696 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8697 mono_mb_emit_byte (mb, CEE_PREFIX1);
8698 mono_mb_emit_byte (mb, CEE_CPBLK);
8701 /* allocate local 0 (pointer) src_ptr */
8702 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8703 /* allocate local 1 (pointer) dst_ptr */
8704 mono_mb_add_local (mb, &klass->this_arg);
8706 /* initialize src_ptr to point to the start of object data */
8707 mono_mb_emit_byte (mb, CEE_LDARG_0);
8708 mono_mb_emit_stloc (mb, 0);
8710 /* initialize dst_ptr */
8711 mono_mb_emit_byte (mb, CEE_LDARG_1);
8712 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8713 mono_mb_emit_stloc (mb, 1);
8715 emit_struct_conv (mb, klass, TRUE);
8718 mono_mb_emit_byte (mb, CEE_RET);
8720 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
8721 res = mono_mb_create (mb, ptostr, 0, info);
8724 klass->marshal_info->ptr_to_str = res;
8729 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
8730 * This is used to avoid infinite recursion since it is hard to determine where to
8731 * replace a method with its synchronized wrapper, and where not.
8732 * The runtime should execute METHOD instead of the wrapper.
8733 * The wrapper info for the wrapper is a WrapperInfo structure.
8736 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
8738 MonoMethodBuilder *mb;
8740 MonoMethodSignature *sig;
8742 MonoGenericContext *ctx = NULL;
8743 MonoGenericContainer *container = NULL;
8745 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
8746 ctx = &((MonoMethodInflated*)method)->context;
8747 method = ((MonoMethodInflated*)method)->declaring;
8748 container = mono_method_get_generic_container (method);
8750 container = method->klass->generic_container;
8751 g_assert (container);
8754 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
8756 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
8757 mono_mb_emit_byte (mb, CEE_RET);
8759 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
8761 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
8762 info->d.synchronized_inner.method = method;
8763 res = mono_mb_create (mb, sig, 0, info);
8767 res = mono_class_inflate_generic_method_checked (res, ctx, &error);
8768 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8774 * generates IL code for the synchronized wrapper: the generated method
8775 * calls METHOD while locking 'this' or the parent type.
8778 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8780 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
8781 MonoMethodSignature *sig;
8782 MonoExceptionClause *clause;
8783 MonoMethodBuilder *mb;
8786 int i, pos, pos2, this_local, taken_local, ret_local = 0;
8787 MonoGenericContext *ctx = NULL;
8788 MonoMethod *orig_method = NULL;
8789 MonoGenericContainer *container = NULL;
8793 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8796 /* FIXME: Support generic methods too */
8797 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
8798 orig_method = method;
8799 ctx = &((MonoMethodInflated*)method)->context;
8800 method = ((MonoMethodInflated*)method)->declaring;
8801 container = mono_method_get_generic_container (method);
8803 container = method->klass->generic_container;
8804 g_assert (container);
8811 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
8812 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
8816 cache = get_cache (&method->klass->image->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
8817 if ((res = mono_marshal_find_in_cache (cache, method)))
8821 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
8824 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8827 mb->skip_visibility = 1;
8829 if (!MONO_TYPE_IS_VOID (sig->ret))
8830 ret_local = mono_mb_add_local (mb, sig->ret);
8833 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
8834 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
8836 /* This will throw the type load exception when the wrapper is compiled */
8837 mono_mb_emit_byte (mb, CEE_LDNULL);
8838 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
8839 mono_mb_emit_byte (mb, CEE_POP);
8841 if (!MONO_TYPE_IS_VOID (sig->ret))
8842 mono_mb_emit_ldloc (mb, ret_local);
8843 mono_mb_emit_byte (mb, CEE_RET);
8846 res = mono_mb_create_and_cache (cache, method,
8847 mb, sig, sig->param_count + 16);
8855 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8856 taken_local = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8858 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
8859 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8862 mono_marshal_lock ();
8864 if (!enter_method) {
8865 MonoMethodDesc *desc;
8867 desc = mono_method_desc_new ("Monitor:enter_with_atomic_var(object,bool&)", FALSE);
8868 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8869 g_assert (enter_method);
8870 mono_method_desc_free (desc);
8872 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8873 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8874 g_assert (exit_method);
8875 mono_method_desc_free (desc);
8877 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
8878 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
8879 g_assert (gettypefromhandle_method);
8880 mono_method_desc_free (desc);
8883 mono_marshal_unlock ();
8886 /* Push this or the type object */
8887 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8888 /* We have special handling for this in the JIT */
8889 int index = mono_mb_add_data (mb, method->klass);
8890 mono_mb_add_data (mb, mono_defaults.typehandle_class);
8891 mono_mb_emit_byte (mb, CEE_LDTOKEN);
8892 mono_mb_emit_i4 (mb, index);
8894 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
8897 mono_mb_emit_ldarg (mb, 0);
8898 mono_mb_emit_stloc (mb, this_local);
8900 /* Call Monitor::Enter() */
8901 mono_mb_emit_ldloc (mb, this_local);
8902 mono_mb_emit_ldloc_addr (mb, taken_local);
8903 mono_mb_emit_managed_call (mb, enter_method, NULL);
8905 clause->try_offset = mono_mb_get_label (mb);
8907 /* Call the method */
8909 mono_mb_emit_ldarg (mb, 0);
8910 for (i = 0; i < sig->param_count; i++)
8911 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8915 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
8916 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8918 mono_mb_emit_managed_call (mb, method, NULL);
8921 if (!MONO_TYPE_IS_VOID (sig->ret))
8922 mono_mb_emit_stloc (mb, ret_local);
8924 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8926 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
8927 clause->handler_offset = mono_mb_get_label (mb);
8929 /* Call Monitor::Exit() if needed */
8930 mono_mb_emit_ldloc (mb, taken_local);
8931 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8932 mono_mb_emit_ldloc (mb, this_local);
8933 mono_mb_emit_managed_call (mb, exit_method, NULL);
8934 mono_mb_patch_branch (mb, pos2);
8935 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8937 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
8939 mono_mb_patch_branch (mb, pos);
8940 if (!MONO_TYPE_IS_VOID (sig->ret))
8941 mono_mb_emit_ldloc (mb, ret_local);
8942 mono_mb_emit_byte (mb, CEE_RET);
8944 mono_mb_set_clauses (mb, 1, clause);
8949 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
8950 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
8952 res = mono_mb_create_and_cache (cache, method,
8953 mb, sig, sig->param_count + 16);
8962 * the returned method calls 'method' unboxing the this argument
8965 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8967 MonoMethodSignature *sig = mono_method_signature (method);
8969 MonoMethodBuilder *mb;
8973 cache = get_cache (&mono_method_get_wrapper_cache (method)->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
8975 if ((res = mono_marshal_find_in_cache (cache, method)))
8978 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8980 g_assert (sig->hasthis);
8983 mono_mb_emit_ldarg (mb, 0);
8984 mono_mb_emit_icon (mb, sizeof (MonoObject));
8985 mono_mb_emit_byte (mb, CEE_ADD);
8986 for (i = 0; i < sig->param_count; ++i)
8987 mono_mb_emit_ldarg (mb, i + 1);
8988 mono_mb_emit_managed_call (mb, method, NULL);
8989 mono_mb_emit_byte (mb, CEE_RET);
8992 res = mono_mb_create_and_cache (cache, method,
8993 mb, sig, sig->param_count + 16);
8996 /* mono_method_print_code (res); */
9002 STELEMREF_OBJECT, /*no check at all*/
9003 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9004 STELEMREF_CLASS, /*only the klass->parents check*/
9005 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9006 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9007 STELEMREF_KIND_COUNT
9010 static const char *strelemref_wrapper_name[] = {
9011 "object", "sealed_class", "class", "interface", "complex"
9015 is_monomorphic_array (MonoClass *klass)
9017 MonoClass *element_class;
9018 if (klass->rank != 1)
9021 element_class = klass->element_class;
9022 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
9026 get_virtual_stelemref_kind (MonoClass *element_class)
9028 if (element_class == mono_defaults.object_class)
9029 return STELEMREF_OBJECT;
9030 if (is_monomorphic_array (element_class))
9031 return STELEMREF_SEALED_CLASS;
9032 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
9033 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9034 #ifdef COMPRESSED_INTERFACE_BITMAP
9035 return STELEMREF_COMPLEX;
9037 return STELEMREF_INTERFACE;
9039 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9040 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
9041 return STELEMREF_COMPLEX;
9042 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
9043 return STELEMREF_SEALED_CLASS;
9044 return STELEMREF_CLASS;
9050 load_array_element_address (MonoMethodBuilder *mb)
9052 mono_mb_emit_ldarg (mb, 0);
9053 mono_mb_emit_ldarg (mb, 1);
9054 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9058 load_array_class (MonoMethodBuilder *mb, int aklass)
9060 mono_mb_emit_ldarg (mb, 0);
9061 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9062 mono_mb_emit_byte (mb, CEE_LDIND_I);
9063 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9064 mono_mb_emit_byte (mb, CEE_LDIND_I);
9065 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9066 mono_mb_emit_byte (mb, CEE_LDIND_I);
9067 mono_mb_emit_stloc (mb, aklass);
9071 load_value_class (MonoMethodBuilder *mb, int vklass)
9073 mono_mb_emit_ldarg (mb, 2);
9074 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9075 mono_mb_emit_byte (mb, CEE_LDIND_I);
9076 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9077 mono_mb_emit_byte (mb, CEE_LDIND_I);
9078 mono_mb_emit_stloc (mb, vklass);
9084 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9086 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9087 printf ("slow vstore of %s\n", name);
9093 * The wrapper info for the wrapper is a WrapperInfo structure.
9096 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9097 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9098 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9099 * - Add a case for arrays of arrays.
9102 get_virtual_stelemref_wrapper (int kind)
9104 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9105 static MonoMethodSignature *signature;
9106 MonoMethodBuilder *mb;
9109 const char *param_names [16];
9111 int aklass, vklass, vtable, uiid;
9112 int array_slot_addr;
9115 if (cached_methods [kind])
9116 return cached_methods [kind];
9118 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9119 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9123 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9125 /* void this::stelemref (size_t idx, void* value) */
9126 sig->ret = &mono_defaults.void_class->byval_arg;
9127 sig->hasthis = TRUE;
9128 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9129 sig->params [1] = &mono_defaults.object_class->byval_arg;
9134 param_names [0] = "index";
9135 param_names [1] = "value";
9136 mono_mb_set_param_names (mb, param_names);
9138 /*For now simply call plain old stelemref*/
9140 case STELEMREF_OBJECT:
9141 /* ldelema (implicit bound check) */
9142 load_array_element_address (mb);
9144 mono_mb_emit_ldarg (mb, 2);
9145 mono_mb_emit_byte (mb, CEE_STIND_REF);
9146 mono_mb_emit_byte (mb, CEE_RET);
9149 case STELEMREF_COMPLEX:
9151 <ldelema (bound check)>
9154 if (!mono_object_isinst (value, aklass))
9158 *array_slot_addr = value;
9161 throw new ArrayTypeMismatchException ();
9164 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9165 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9169 /*Use this to debug/record stores that are going thru the slow path*/
9170 MonoMethodSignature *csig;
9171 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9172 csig->ret = &mono_defaults.void_class->byval_arg;
9173 csig->params [0] = &mono_defaults.object_class->byval_arg;
9174 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9175 csig->params [2] = &mono_defaults.object_class->byval_arg;
9176 mono_mb_emit_ldarg (mb, 0);
9177 mono_mb_emit_ldarg (mb, 1);
9178 mono_mb_emit_ldarg (mb, 2);
9179 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9183 /* ldelema (implicit bound check) */
9184 load_array_element_address (mb);
9185 mono_mb_emit_stloc (mb, array_slot_addr);
9187 /* if (!value) goto do_store */
9188 mono_mb_emit_ldarg (mb, 2);
9189 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9191 /* aklass = array->vtable->klass->element_class */
9192 load_array_class (mb, aklass);
9194 /*if (mono_object_isinst (value, aklass)) */
9195 mono_mb_emit_ldarg (mb, 2);
9196 mono_mb_emit_ldloc (mb, aklass);
9197 mono_mb_emit_icall (mb, mono_object_isinst);
9198 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9201 mono_mb_patch_branch (mb, b1);
9202 mono_mb_emit_ldloc (mb, array_slot_addr);
9203 mono_mb_emit_ldarg (mb, 2);
9204 mono_mb_emit_byte (mb, CEE_STIND_REF);
9205 mono_mb_emit_byte (mb, CEE_RET);
9208 mono_mb_patch_branch (mb, b2);
9210 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9213 case STELEMREF_SEALED_CLASS:
9215 <ldelema (bound check)>
9219 aklass = array->vtable->klass->element_class;
9220 vklass = value->vtable->klass;
9222 if (vklass != aklass)
9226 *array_slot_addr = value;
9229 throw new ArrayTypeMismatchException ();
9231 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9232 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9233 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9236 /* ldelema (implicit bound check) */
9237 load_array_element_address (mb);
9238 mono_mb_emit_stloc (mb, array_slot_addr);
9240 /* if (!value) goto do_store */
9241 mono_mb_emit_ldarg (mb, 2);
9242 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9244 /* aklass = array->vtable->klass->element_class */
9245 load_array_class (mb, aklass);
9247 /* vklass = value->vtable->klass */
9248 load_value_class (mb, vklass);
9250 /*if (vklass != aklass) goto do_exception; */
9251 mono_mb_emit_ldloc (mb, aklass);
9252 mono_mb_emit_ldloc (mb, vklass);
9253 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9256 mono_mb_patch_branch (mb, b1);
9257 mono_mb_emit_ldloc (mb, array_slot_addr);
9258 mono_mb_emit_ldarg (mb, 2);
9259 mono_mb_emit_byte (mb, CEE_STIND_REF);
9260 mono_mb_emit_byte (mb, CEE_RET);
9263 mono_mb_patch_branch (mb, b2);
9264 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9267 case STELEMREF_CLASS:
9270 <ldelema (bound check)>
9274 aklass = array->vtable->klass->element_class;
9275 vklass = value->vtable->klass;
9277 if (vklass->idepth < aklass->idepth)
9280 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9284 *array_slot_addr = value;
9288 throw new ArrayTypeMismatchException ();
9290 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9291 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9292 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9294 /* ldelema (implicit bound check) */
9295 load_array_element_address (mb);
9296 mono_mb_emit_stloc (mb, array_slot_addr);
9298 /* if (!value) goto do_store */
9299 mono_mb_emit_ldarg (mb, 2);
9300 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9302 /* aklass = array->vtable->klass->element_class */
9303 load_array_class (mb, aklass);
9305 /* vklass = value->vtable->klass */
9306 load_value_class (mb, vklass);
9308 /*if (mono_object_isinst (value, aklass)) */
9309 mono_mb_emit_ldarg (mb, 2);
9310 mono_mb_emit_ldloc (mb, aklass);
9311 mono_mb_emit_icall (mb, mono_object_isinst);
9312 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9314 /* if (vklass->idepth < aklass->idepth) goto failue */
9315 mono_mb_emit_ldloc (mb, vklass);
9316 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9317 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9319 mono_mb_emit_ldloc (mb, aklass);
9320 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9321 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9323 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9325 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9326 mono_mb_emit_ldloc (mb, vklass);
9327 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9328 mono_mb_emit_byte (mb, CEE_LDIND_I);
9330 mono_mb_emit_ldloc (mb, aklass);
9331 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9332 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9333 mono_mb_emit_icon (mb, 1);
9334 mono_mb_emit_byte (mb, CEE_SUB);
9335 mono_mb_emit_icon (mb, sizeof (void*));
9336 mono_mb_emit_byte (mb, CEE_MUL);
9337 mono_mb_emit_byte (mb, CEE_ADD);
9338 mono_mb_emit_byte (mb, CEE_LDIND_I);
9340 mono_mb_emit_ldloc (mb, aklass);
9341 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9344 mono_mb_patch_branch (mb, b1);
9345 mono_mb_emit_ldloc (mb, array_slot_addr);
9346 mono_mb_emit_ldarg (mb, 2);
9347 mono_mb_emit_byte (mb, CEE_STIND_REF);
9348 mono_mb_emit_byte (mb, CEE_RET);
9351 mono_mb_patch_branch (mb, b2);
9352 mono_mb_patch_branch (mb, b3);
9354 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9357 case STELEMREF_INTERFACE:
9364 klass = array->obj.vtable->klass->element_class;
9366 uiid = klass->interface_id;
9367 if (uiid > vt->max_interface_id)
9369 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
9372 mono_array_setref (array, index, value);
9375 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
9377 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9378 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9379 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9380 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9382 /* ldelema (implicit bound check) */
9383 load_array_element_address (mb);
9384 mono_mb_emit_stloc (mb, array_slot_addr);
9386 /* if (!value) goto do_store */
9387 mono_mb_emit_ldarg (mb, 2);
9388 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9390 /* klass = array->vtable->klass->element_class */
9391 load_array_class (mb, aklass);
9393 /* vt = value->vtable */
9394 mono_mb_emit_ldarg (mb, 2);
9395 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9396 mono_mb_emit_byte (mb, CEE_LDIND_I);
9397 mono_mb_emit_stloc (mb, vtable);
9399 /* uiid = klass->interface_id; */
9400 mono_mb_emit_ldloc (mb, aklass);
9401 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
9402 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9403 mono_mb_emit_stloc (mb, uiid);
9405 /*if (uiid > vt->max_interface_id)*/
9406 mono_mb_emit_ldloc (mb, uiid);
9407 mono_mb_emit_ldloc (mb, vtable);
9408 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
9409 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9410 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
9412 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
9414 /*vt->interface_bitmap*/
9415 mono_mb_emit_ldloc (mb, vtable);
9416 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
9417 mono_mb_emit_byte (mb, CEE_LDIND_I);
9420 mono_mb_emit_ldloc (mb, uiid);
9421 mono_mb_emit_icon (mb, 3);
9422 mono_mb_emit_byte (mb, CEE_SHR_UN);
9424 /*vt->interface_bitmap [(uiid) >> 3]*/
9425 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
9426 mono_mb_emit_byte (mb, CEE_LDIND_U1);
9428 /*(1 << ((uiid)&7)))*/
9429 mono_mb_emit_icon (mb, 1);
9430 mono_mb_emit_ldloc (mb, uiid);
9431 mono_mb_emit_icon (mb, 7);
9432 mono_mb_emit_byte (mb, CEE_AND);
9433 mono_mb_emit_byte (mb, CEE_SHL);
9435 /*bitwise and the whole thing*/
9436 mono_mb_emit_byte (mb, CEE_AND);
9437 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9440 mono_mb_patch_branch (mb, b1);
9441 mono_mb_emit_ldloc (mb, array_slot_addr);
9442 mono_mb_emit_ldarg (mb, 2);
9443 mono_mb_emit_byte (mb, CEE_STIND_REF);
9444 mono_mb_emit_byte (mb, CEE_RET);
9447 mono_mb_patch_branch (mb, b2);
9448 mono_mb_patch_branch (mb, b3);
9449 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9453 mono_mb_emit_ldarg (mb, 0);
9454 mono_mb_emit_ldarg (mb, 1);
9455 mono_mb_emit_ldarg (mb, 2);
9456 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
9457 mono_mb_emit_byte (mb, CEE_RET);
9460 #endif /* DISABLE_JIT */
9461 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
9462 info->d.virtual_stelemref.kind = kind;
9463 res = mono_mb_create (mb, signature, 4, info);
9464 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
9466 mono_marshal_lock ();
9467 if (!cached_methods [kind]) {
9468 cached_methods [kind] = res;
9469 mono_marshal_unlock ();
9471 mono_marshal_unlock ();
9472 mono_free_method (res);
9476 return cached_methods [kind];
9480 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
9484 g_assert (array_class->rank == 1);
9485 kind = get_virtual_stelemref_kind (array_class->element_class);
9487 return get_virtual_stelemref_wrapper (kind);
9491 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
9496 *nwrappers = STELEMREF_KIND_COUNT;
9497 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
9498 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
9499 res [i] = get_virtual_stelemref_wrapper (i);
9504 * The wrapper info for the wrapper is a WrapperInfo structure.
9507 mono_marshal_get_stelemref (void)
9509 static MonoMethod* ret = NULL;
9510 MonoMethodSignature *sig;
9511 MonoMethodBuilder *mb;
9514 guint32 b1, b2, b3, b4;
9517 int array_slot_addr;
9522 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
9525 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9527 /* void stelemref (void* array, int idx, void* value) */
9528 sig->ret = &mono_defaults.void_class->byval_arg;
9529 sig->params [0] = &mono_defaults.object_class->byval_arg;
9530 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9531 sig->params [2] = &mono_defaults.object_class->byval_arg;
9534 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9535 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9536 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9540 <ldelema (bound check)>
9544 aklass = array->vtable->klass->element_class;
9545 vklass = value->vtable->klass;
9547 if (vklass->idepth < aklass->idepth)
9550 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9554 *array_slot_addr = value;
9558 if (mono_object_isinst (value, aklass))
9561 throw new ArrayTypeMismatchException ();
9564 /* ldelema (implicit bound check) */
9565 mono_mb_emit_ldarg (mb, 0);
9566 mono_mb_emit_ldarg (mb, 1);
9567 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9568 mono_mb_emit_stloc (mb, array_slot_addr);
9570 /* if (!value) goto do_store */
9571 mono_mb_emit_ldarg (mb, 2);
9572 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9574 /* aklass = array->vtable->klass->element_class */
9575 mono_mb_emit_ldarg (mb, 0);
9576 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9577 mono_mb_emit_byte (mb, CEE_LDIND_I);
9578 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9579 mono_mb_emit_byte (mb, CEE_LDIND_I);
9580 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9581 mono_mb_emit_byte (mb, CEE_LDIND_I);
9582 mono_mb_emit_stloc (mb, aklass);
9584 /* vklass = value->vtable->klass */
9585 mono_mb_emit_ldarg (mb, 2);
9586 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9587 mono_mb_emit_byte (mb, CEE_LDIND_I);
9588 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9589 mono_mb_emit_byte (mb, CEE_LDIND_I);
9590 mono_mb_emit_stloc (mb, vklass);
9592 /* if (vklass->idepth < aklass->idepth) goto failue */
9593 mono_mb_emit_ldloc (mb, vklass);
9594 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9595 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9597 mono_mb_emit_ldloc (mb, aklass);
9598 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9599 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9601 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9603 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9604 mono_mb_emit_ldloc (mb, vklass);
9605 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9606 mono_mb_emit_byte (mb, CEE_LDIND_I);
9608 mono_mb_emit_ldloc (mb, aklass);
9609 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9610 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9611 mono_mb_emit_icon (mb, 1);
9612 mono_mb_emit_byte (mb, CEE_SUB);
9613 mono_mb_emit_icon (mb, sizeof (void*));
9614 mono_mb_emit_byte (mb, CEE_MUL);
9615 mono_mb_emit_byte (mb, CEE_ADD);
9616 mono_mb_emit_byte (mb, CEE_LDIND_I);
9618 mono_mb_emit_ldloc (mb, aklass);
9620 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9622 copy_pos = mono_mb_get_label (mb);
9624 mono_mb_patch_branch (mb, b1);
9625 mono_mb_emit_ldloc (mb, array_slot_addr);
9626 mono_mb_emit_ldarg (mb, 2);
9627 mono_mb_emit_byte (mb, CEE_STIND_REF);
9629 mono_mb_emit_byte (mb, CEE_RET);
9632 mono_mb_patch_branch (mb, b2);
9633 mono_mb_patch_branch (mb, b3);
9635 mono_mb_emit_ldarg (mb, 2);
9636 mono_mb_emit_ldloc (mb, aklass);
9637 mono_mb_emit_icall (mb, mono_object_isinst);
9639 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9640 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9641 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9643 mono_mb_emit_byte (mb, CEE_RET);
9645 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9646 ret = mono_mb_create (mb, sig, 4, info);
9653 * mono_marshal_get_gsharedvt_in_wrapper:
9655 * This wrapper handles calls from normal code to gsharedvt code.
9657 * The wrapper info for the wrapper is a WrapperInfo structure.
9660 mono_marshal_get_gsharedvt_in_wrapper (void)
9662 static MonoMethod* ret = NULL;
9663 MonoMethodSignature *sig;
9664 MonoMethodBuilder *mb;
9670 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
9672 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
9673 sig->ret = &mono_defaults.void_class->byval_arg;
9677 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
9679 mono_mb_emit_byte (mb, CEE_RET);
9681 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
9682 ret = mono_mb_create (mb, sig, 4, info);
9689 * mono_marshal_get_gsharedvt_out_wrapper:
9691 * This wrapper handles calls from gsharedvt code to normal code.
9693 * The wrapper info for the wrapper is a WrapperInfo structure.
9696 mono_marshal_get_gsharedvt_out_wrapper (void)
9698 static MonoMethod* ret = NULL;
9699 MonoMethodSignature *sig;
9700 MonoMethodBuilder *mb;
9706 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
9708 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
9709 sig->ret = &mono_defaults.void_class->byval_arg;
9713 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
9715 mono_mb_emit_byte (mb, CEE_RET);
9717 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
9718 ret = mono_mb_create (mb, sig, 4, info);
9730 /* LOCKING: vars accessed under the marshal lock */
9731 static ArrayElemAddr *elem_addr_cache = NULL;
9732 static int elem_addr_cache_size = 0;
9733 static int elem_addr_cache_next = 0;
9736 * mono_marshal_get_array_address:
9737 * @rank: rank of the array type
9738 * @elem_size: size in bytes of an element of an array.
9740 * Returns a MonoMethod that implements the code to get the address
9741 * of an element in a multi-dimenasional array of @rank dimensions.
9742 * The returned method takes an array as the first argument and then
9743 * @rank indexes for the @rank dimensions.
9744 * If ELEM_SIZE is 0, read the array size from the array object.
9747 mono_marshal_get_array_address (int rank, int elem_size)
9750 MonoMethodBuilder *mb;
9751 MonoMethodSignature *sig;
9754 int i, bounds, ind, realidx;
9755 int branch_pos, *branch_positions;
9759 mono_marshal_lock ();
9760 for (i = 0; i < elem_addr_cache_next; ++i) {
9761 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9762 ret = elem_addr_cache [i].method;
9766 mono_marshal_unlock ();
9770 branch_positions = g_new0 (int, rank);
9772 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9774 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9775 sig->ret = &mono_defaults.int_class->byval_arg;
9776 sig->params [0] = &mono_defaults.object_class->byval_arg;
9777 for (i = 0; i < rank; ++i) {
9778 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9781 name = g_strdup_printf ("ElementAddr_%d", elem_size);
9782 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9786 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9787 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9788 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9790 /* bounds = array->bounds; */
9791 mono_mb_emit_ldarg (mb, 0);
9792 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
9793 mono_mb_emit_byte (mb, CEE_LDIND_I);
9794 mono_mb_emit_stloc (mb, bounds);
9796 /* ind is the overall element index, realidx is the partial index in a single dimension */
9797 /* ind = idx0 - bounds [0].lower_bound */
9798 mono_mb_emit_ldarg (mb, 1);
9799 mono_mb_emit_ldloc (mb, bounds);
9800 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9801 mono_mb_emit_byte (mb, CEE_ADD);
9802 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9803 mono_mb_emit_byte (mb, CEE_SUB);
9804 mono_mb_emit_stloc (mb, ind);
9805 /* if (ind >= bounds [0].length) goto exeception; */
9806 mono_mb_emit_ldloc (mb, ind);
9807 mono_mb_emit_ldloc (mb, bounds);
9808 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
9809 mono_mb_emit_byte (mb, CEE_ADD);
9810 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9811 /* note that we use unsigned comparison */
9812 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9814 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9815 * We could also decide to ignore the passed elem_size and get it
9816 * from the array object, to reduce the number of methods we generate:
9817 * the additional cost is 3 memory loads and a non-immediate mul.
9819 for (i = 1; i < rank; ++i) {
9820 /* realidx = idxi - bounds [i].lower_bound */
9821 mono_mb_emit_ldarg (mb, 1 + i);
9822 mono_mb_emit_ldloc (mb, bounds);
9823 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9824 mono_mb_emit_byte (mb, CEE_ADD);
9825 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9826 mono_mb_emit_byte (mb, CEE_SUB);
9827 mono_mb_emit_stloc (mb, realidx);
9828 /* if (realidx >= bounds [i].length) goto exeception; */
9829 mono_mb_emit_ldloc (mb, realidx);
9830 mono_mb_emit_ldloc (mb, bounds);
9831 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
9832 mono_mb_emit_byte (mb, CEE_ADD);
9833 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9834 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9835 /* ind = ind * bounds [i].length + realidx */
9836 mono_mb_emit_ldloc (mb, ind);
9837 mono_mb_emit_ldloc (mb, bounds);
9838 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
9839 mono_mb_emit_byte (mb, CEE_ADD);
9840 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9841 mono_mb_emit_byte (mb, CEE_MUL);
9842 mono_mb_emit_ldloc (mb, realidx);
9843 mono_mb_emit_byte (mb, CEE_ADD);
9844 mono_mb_emit_stloc (mb, ind);
9847 /* return array->vector + ind * element_size */
9848 mono_mb_emit_ldarg (mb, 0);
9849 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
9850 mono_mb_emit_ldloc (mb, ind);
9852 mono_mb_emit_icon (mb, elem_size);
9854 /* Load arr->vtable->klass->sizes.element_class */
9855 mono_mb_emit_ldarg (mb, 0);
9856 mono_mb_emit_byte (mb, CEE_CONV_I);
9857 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9858 mono_mb_emit_byte (mb, CEE_ADD);
9859 mono_mb_emit_byte (mb, CEE_LDIND_I);
9860 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9861 mono_mb_emit_byte (mb, CEE_ADD);
9862 mono_mb_emit_byte (mb, CEE_LDIND_I);
9863 /* sizes is an union, so this reads sizes.element_size */
9864 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoClass, sizes));
9865 mono_mb_emit_byte (mb, CEE_ADD);
9866 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9868 mono_mb_emit_byte (mb, CEE_MUL);
9869 mono_mb_emit_byte (mb, CEE_ADD);
9870 mono_mb_emit_byte (mb, CEE_RET);
9872 /* patch the branches to get here and throw */
9873 for (i = 1; i < rank; ++i) {
9874 mono_mb_patch_branch (mb, branch_positions [i]);
9876 mono_mb_patch_branch (mb, branch_pos);
9877 /* throw exception */
9878 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9880 g_free (branch_positions);
9881 #endif /* DISABLE_JIT */
9883 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
9884 info->d.element_addr.rank = rank;
9885 info->d.element_addr.elem_size = elem_size;
9886 ret = mono_mb_create (mb, sig, 4, info);
9889 /* cache the result */
9891 mono_marshal_lock ();
9892 for (i = 0; i < elem_addr_cache_next; ++i) {
9893 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9894 /* FIXME: free ret */
9895 ret = elem_addr_cache [i].method;
9901 if (elem_addr_cache_next >= elem_addr_cache_size) {
9902 int new_size = elem_addr_cache_size + 4;
9903 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9904 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9905 g_free (elem_addr_cache);
9906 elem_addr_cache = new_array;
9907 elem_addr_cache_size = new_size;
9909 elem_addr_cache [elem_addr_cache_next].rank = rank;
9910 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9911 elem_addr_cache [elem_addr_cache_next].method = ret;
9912 elem_addr_cache_next ++;
9914 mono_marshal_unlock ();
9919 * mono_marshal_get_array_accessor_wrapper:
9921 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
9924 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
9926 MonoMethodSignature *sig;
9927 MonoMethodBuilder *mb;
9931 MonoGenericContext *ctx = NULL;
9932 MonoMethod *orig_method = NULL;
9933 MonoGenericContainer *container = NULL;
9937 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
9938 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
9939 * FIXME: Use generic methods.
9946 g_assert_not_reached ();
9948 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
9949 if ((res = mono_marshal_find_in_cache (cache, method)))
9953 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9956 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
9959 /* Call the method */
9961 mono_mb_emit_ldarg (mb, 0);
9962 for (i = 0; i < sig->param_count; i++)
9963 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9967 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
9968 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9970 mono_mb_emit_managed_call (mb, method, NULL);
9972 mono_mb_emit_byte (mb, CEE_RET);
9977 def = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
9978 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
9980 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
9981 info->d.array_accessor.method = method;
9983 res = mono_mb_create_and_cache_full (cache, method,
9984 mb, sig, sig->param_count + 16,
9993 mono_marshal_alloc (gulong size)
9998 res = CoTaskMemAlloc (size);
10000 res = g_try_malloc ((gulong)size);
10002 mono_gc_out_of_memory ((gulong)size);
10008 mono_marshal_free (gpointer ptr)
10011 CoTaskMemFree (ptr);
10018 mono_marshal_free_array (gpointer *ptr, int size)
10025 for (i = 0; i < size; i++)
10031 mono_marshal_string_to_utf16 (MonoString *s)
10033 return s ? mono_string_chars (s) : NULL;
10037 mono_marshal_string_to_utf16_copy (MonoString *s)
10042 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10043 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10044 res [mono_string_length (s)] = 0;
10050 * mono_marshal_set_last_error:
10052 * This function is invoked to set the last error value from a P/Invoke call
10053 * which has SetLastError set.
10056 mono_marshal_set_last_error (void)
10059 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10061 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
10066 mono_marshal_set_last_error_windows (int error)
10069 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
10074 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10075 gpointer dest, gint32 length)
10080 MONO_CHECK_ARG_NULL (src,);
10081 MONO_CHECK_ARG_NULL (dest,);
10083 if (src->obj.vtable->klass->rank != 1) {
10084 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10087 if (start_index < 0) {
10088 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10092 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10095 if (start_index + length > mono_array_length (src)) {
10096 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10100 element_size = mono_array_element_size (src->obj.vtable->klass);
10102 /* no references should be involved */
10103 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
10105 memcpy (dest, source_addr, length * element_size);
10109 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10110 MonoArray *dest, gint32 length)
10115 MONO_CHECK_ARG_NULL (src,);
10116 MONO_CHECK_ARG_NULL (dest,);
10118 if (dest->obj.vtable->klass->rank != 1) {
10119 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10122 if (start_index < 0) {
10123 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10127 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10130 if (start_index + length > mono_array_length (dest)) {
10131 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10134 element_size = mono_array_element_size (dest->obj.vtable->klass);
10136 /* no references should be involved */
10137 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
10139 memcpy (dest_addr, src, length * element_size);
10143 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10148 return mono_string_new (mono_domain_get (), ptr);
10152 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10155 mono_set_pending_exception (mono_get_exception_argument_null ("ptr"));
10158 return mono_string_new_len (mono_domain_get (), ptr, len);
10163 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10165 MonoDomain *domain = mono_domain_get ();
10175 return mono_string_new_utf16 (domain, ptr, len);
10179 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10181 MonoDomain *domain = mono_domain_get ();
10184 mono_set_pending_exception (mono_get_exception_argument_null ("ptr"));
10187 return mono_string_new_utf16 (domain, ptr, len);
10192 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10194 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
10198 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10204 MONO_CHECK_ARG_NULL (rtype, 0);
10206 type = rtype->type;
10207 klass = mono_class_from_mono_type (type);
10208 if (!mono_class_init (klass)) {
10209 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10213 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10215 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
10216 return sizeof (gpointer);
10217 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10219 MonoException *exc;
10221 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10222 exc = mono_get_exception_argument ("t", msg);
10224 mono_set_pending_exception (exc);
10228 return mono_class_native_size (klass, NULL);
10232 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10234 MonoMethod *method;
10237 MONO_CHECK_ARG_NULL (obj,);
10238 MONO_CHECK_ARG_NULL (dst,);
10240 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10244 pa [2] = &delete_old;
10246 mono_runtime_invoke (method, NULL, pa, NULL);
10250 ptr_to_structure (gpointer src, MonoObject *dst)
10252 MonoMethod *method;
10255 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10260 mono_runtime_invoke (method, NULL, pa, NULL);
10264 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10268 MONO_CHECK_ARG_NULL (src,);
10269 MONO_CHECK_ARG_NULL (dst,);
10271 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10273 if (t->type == MONO_TYPE_VALUETYPE) {
10274 MonoException *exc;
10277 tmp = g_strdup_printf ("Destination is a boxed value type.");
10278 exc = mono_get_exception_argument ("dst", tmp);
10281 mono_set_pending_exception (exc);
10285 ptr_to_structure (src, dst);
10289 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10292 MonoDomain *domain = mono_domain_get ();
10297 MONO_CHECK_ARG_NULL (type, NULL);
10299 klass = mono_class_from_mono_type (type->type);
10300 if (!mono_class_init (klass)) {
10301 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10305 res = mono_object_new (domain, klass);
10307 ptr_to_structure (src, res);
10313 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10315 MonoMarshalType *info;
10318 int match_index = -1;
10320 MONO_CHECK_ARG_NULL (type, 0);
10321 MONO_CHECK_ARG_NULL (field_name, 0);
10323 fname = mono_string_to_utf8 (field_name);
10324 klass = mono_class_from_mono_type (type->type);
10325 if (!mono_class_init (klass)) {
10326 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10330 while (klass && match_index == -1) {
10331 MonoClassField* field;
10333 gpointer iter = NULL;
10334 while ((field = mono_class_get_fields (klass, &iter))) {
10335 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10337 if (!strcmp (fname, mono_field_get_name (field))) {
10344 if (match_index == -1)
10345 klass = klass->parent;
10350 if(match_index == -1) {
10351 MonoException* exc;
10354 /* Get back original class instance */
10355 klass = mono_class_from_mono_type (type->type);
10357 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10358 exc = mono_get_exception_argument ("fieldName", tmp);
10361 mono_set_pending_exception ((MonoException*)exc);
10365 info = mono_marshal_load_type_info (klass);
10366 return info->fields [match_index].offset;
10370 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10375 tres = mono_string_to_utf8 (string);
10379 len = strlen (tres) + 1;
10380 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10381 memcpy (ret, tres, len);
10386 return mono_string_to_utf8 (string);
10391 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10393 if (string == NULL)
10396 #ifdef TARGET_WIN32
10397 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10398 ((mono_string_length (string) + 1) * 2);
10400 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10402 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10403 res [mono_string_length (string)] = 0;
10409 mono_struct_delete_old (MonoClass *klass, char *ptr)
10411 MonoMarshalType *info;
10414 info = mono_marshal_load_type_info (klass);
10416 for (i = 0; i < info->num_fields; i++) {
10417 MonoMarshalConv conv;
10418 MonoType *ftype = info->fields [i].field->type;
10421 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10424 mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10425 klass->unicode, &conv);
10427 cpos = ptr + info->fields [i].offset;
10430 case MONO_MARSHAL_CONV_NONE:
10431 if (MONO_TYPE_ISSTRUCT (ftype)) {
10432 mono_struct_delete_old (ftype->data.klass, cpos);
10436 case MONO_MARSHAL_CONV_STR_LPWSTR:
10437 /* We assume this field points inside a MonoString */
10439 case MONO_MARSHAL_CONV_STR_LPTSTR:
10440 #ifdef TARGET_WIN32
10441 /* We assume this field points inside a MonoString
10445 case MONO_MARSHAL_CONV_STR_LPSTR:
10446 case MONO_MARSHAL_CONV_STR_BSTR:
10447 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
10448 case MONO_MARSHAL_CONV_STR_TBSTR:
10449 mono_marshal_free (*(gpointer *)cpos);
10459 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
10463 MONO_CHECK_ARG_NULL (src,);
10464 MONO_CHECK_ARG_NULL (type,);
10466 klass = mono_class_from_mono_type (type->type);
10467 if (!mono_class_init (klass)) {
10468 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10472 mono_struct_delete_old (klass, (char *)src);
10476 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size)
10479 size_t s = (size_t)size;
10482 /* This returns a valid pointer for size 0 on MS.NET */
10486 res = GlobalAlloc (GMEM_FIXED, s);
10488 res = g_try_malloc (s);
10491 mono_gc_out_of_memory (s);
10497 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size)
10500 size_t s = (size_t)size;
10503 mono_gc_out_of_memory (s);
10508 res = GlobalReAlloc (ptr, s, GMEM_MOVEABLE);
10510 res = g_try_realloc (ptr, s);
10513 mono_gc_out_of_memory (s);
10519 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
10529 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
10534 res = CoTaskMemAlloc (size);
10536 if ((gulong)size == 0)
10537 /* This returns a valid pointer for size 0 on MS.NET */
10540 res = g_try_malloc ((gulong)size);
10543 mono_gc_out_of_memory ((gulong)size);
10548 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
10551 CoTaskMemFree (ptr);
10558 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
10563 res = CoTaskMemRealloc (ptr, size);
10565 res = g_try_realloc (ptr, (gulong)size);
10568 mono_gc_out_of_memory ((gulong)size);
10573 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
10575 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
10579 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
10581 MonoClass *klass = mono_type_get_class (type->type);
10582 if (!mono_class_init (klass)) {
10583 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10587 return mono_ftnptr_to_delegate (klass, ftn);
10591 * mono_marshal_is_loading_type_info:
10593 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
10597 mono_marshal_is_loading_type_info (MonoClass *klass)
10599 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
10601 return g_slist_find (loads_list, klass) != NULL;
10605 * mono_marshal_load_type_info:
10607 * Initialize klass->marshal_info using information from metadata. This function can
10608 * recursively call itself, and the caller is responsible to avoid that by calling
10609 * mono_marshal_is_loading_type_info () beforehand.
10611 * LOCKING: Acquires the loader lock.
10614 mono_marshal_load_type_info (MonoClass* klass)
10617 guint32 native_size = 0, min_align = 1, packing;
10618 MonoMarshalType *info;
10619 MonoClassField* field;
10622 GSList *loads_list;
10624 g_assert (klass != NULL);
10626 if (klass->marshal_info)
10627 return klass->marshal_info;
10629 if (!klass->inited)
10630 mono_class_init (klass);
10632 if (klass->marshal_info)
10633 return klass->marshal_info;
10636 * This function can recursively call itself, so we keep the list of classes which are
10637 * under initialization in a TLS list.
10639 g_assert (!mono_marshal_is_loading_type_info (klass));
10640 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
10641 loads_list = g_slist_prepend (loads_list, klass);
10642 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
10645 while ((field = mono_class_get_fields (klass, &iter))) {
10646 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10648 if (mono_field_is_deleted (field))
10653 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10655 /* The mempool is protected by the loader lock */
10656 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
10657 info->num_fields = count;
10659 /* Try to find a size for this type in metadata */
10660 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10662 if (klass->parent) {
10663 int parent_size = mono_class_native_size (klass->parent, NULL);
10665 /* Add parent size to real size */
10666 native_size += parent_size;
10667 info->native_size = parent_size;
10670 packing = klass->packing_size ? klass->packing_size : 8;
10673 while ((field = mono_class_get_fields (klass, &iter))) {
10677 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10680 if (mono_field_is_deleted (field))
10682 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10683 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10684 NULL, NULL, &info->fields [j].mspec);
10686 info->fields [j].field = field;
10688 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10689 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
10690 /* This field is a hack inserted by MCS to empty structures */
10695 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10696 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10697 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10698 &align, TRUE, klass->unicode);
10699 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10700 min_align = MAX (align, min_align);
10701 info->fields [j].offset = info->native_size;
10702 info->fields [j].offset += align - 1;
10703 info->fields [j].offset &= ~(align - 1);
10704 info->native_size = info->fields [j].offset + size;
10706 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10707 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10708 &align, TRUE, klass->unicode);
10709 min_align = MAX (align, min_align);
10710 info->fields [j].offset = field->offset - sizeof (MonoObject);
10711 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10717 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10718 info->native_size = MAX (native_size, info->native_size);
10720 * If the provided Size is equal or larger than the calculated size, and there
10721 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
10723 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
10724 if (native_size && native_size == info->native_size && klass->packing_size == 0)
10727 min_align = MIN (min_align, packing);
10731 if (info->native_size & (min_align - 1)) {
10732 info->native_size += min_align - 1;
10733 info->native_size &= ~(min_align - 1);
10736 info->min_align = min_align;
10738 /* Update the class's blittable info, if the layouts don't match */
10739 if (info->native_size != mono_class_value_size (klass, NULL))
10740 klass->blittable = FALSE;
10742 /* If this is an array type, ensure that we have element info */
10743 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
10744 mono_marshal_load_type_info (klass->element_class);
10747 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
10748 loads_list = g_slist_remove (loads_list, klass);
10749 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
10751 mono_marshal_lock ();
10752 if (!klass->marshal_info) {
10753 /*We do double-checking locking on marshal_info */
10754 mono_memory_barrier ();
10755 klass->marshal_info = info;
10757 mono_marshal_unlock ();
10759 return klass->marshal_info;
10763 * mono_class_native_size:
10766 * Returns: the native size of an object instance (when marshaled
10767 * to unmanaged code)
10770 mono_class_native_size (MonoClass *klass, guint32 *align)
10772 if (!klass->marshal_info) {
10773 if (mono_marshal_is_loading_type_info (klass)) {
10778 mono_marshal_load_type_info (klass);
10783 *align = klass->marshal_info->min_align;
10785 return klass->marshal_info->native_size;
10789 * mono_type_native_stack_size:
10790 * @t: the type to return the size it uses on the stack
10792 * Returns: the number of bytes required to hold an instance of this
10793 * type on the native stack
10796 mono_type_native_stack_size (MonoType *t, guint32 *align)
10800 g_assert (t != NULL);
10806 *align = sizeof (gpointer);
10807 return sizeof (gpointer);
10811 case MONO_TYPE_BOOLEAN:
10812 case MONO_TYPE_CHAR:
10823 case MONO_TYPE_STRING:
10824 case MONO_TYPE_OBJECT:
10825 case MONO_TYPE_CLASS:
10826 case MONO_TYPE_SZARRAY:
10827 case MONO_TYPE_PTR:
10828 case MONO_TYPE_FNPTR:
10829 case MONO_TYPE_ARRAY:
10830 *align = sizeof (gpointer);
10831 return sizeof (gpointer);
10836 *align = MONO_ABI_ALIGNOF (double);
10840 *align = MONO_ABI_ALIGNOF (gint64);
10842 case MONO_TYPE_GENERICINST:
10843 if (!mono_type_generic_inst_is_valuetype (t)) {
10844 *align = sizeof (gpointer);
10845 return sizeof (gpointer);
10848 case MONO_TYPE_TYPEDBYREF:
10849 case MONO_TYPE_VALUETYPE: {
10851 MonoClass *klass = mono_class_from_mono_type (t);
10853 if (klass->enumtype)
10854 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
10856 size = mono_class_native_size (klass, align);
10857 *align = *align + 3;
10867 g_error ("type 0x%02x unknown", t->type);
10873 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10874 gboolean as_field, gboolean unicode)
10876 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10879 switch (native_type) {
10880 case MONO_NATIVE_BOOLEAN:
10883 case MONO_NATIVE_I1:
10884 case MONO_NATIVE_U1:
10887 case MONO_NATIVE_I2:
10888 case MONO_NATIVE_U2:
10889 case MONO_NATIVE_VARIANTBOOL:
10892 case MONO_NATIVE_I4:
10893 case MONO_NATIVE_U4:
10894 case MONO_NATIVE_ERROR:
10897 case MONO_NATIVE_I8:
10898 case MONO_NATIVE_U8:
10899 *align = MONO_ABI_ALIGNOF (gint64);
10901 case MONO_NATIVE_R4:
10904 case MONO_NATIVE_R8:
10905 *align = MONO_ABI_ALIGNOF (double);
10907 case MONO_NATIVE_INT:
10908 case MONO_NATIVE_UINT:
10909 case MONO_NATIVE_LPSTR:
10910 case MONO_NATIVE_LPWSTR:
10911 case MONO_NATIVE_LPTSTR:
10912 case MONO_NATIVE_BSTR:
10913 case MONO_NATIVE_ANSIBSTR:
10914 case MONO_NATIVE_TBSTR:
10915 case MONO_NATIVE_LPARRAY:
10916 case MONO_NATIVE_SAFEARRAY:
10917 case MONO_NATIVE_IUNKNOWN:
10918 case MONO_NATIVE_IDISPATCH:
10919 case MONO_NATIVE_INTERFACE:
10920 case MONO_NATIVE_ASANY:
10921 case MONO_NATIVE_FUNC:
10922 case MONO_NATIVE_LPSTRUCT:
10923 *align = MONO_ABI_ALIGNOF (gpointer);
10924 return sizeof (gpointer);
10925 case MONO_NATIVE_STRUCT:
10926 klass = mono_class_from_mono_type (type);
10927 if (klass == mono_defaults.object_class &&
10928 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10932 return mono_class_native_size (klass, align);
10933 case MONO_NATIVE_BYVALTSTR: {
10934 int esize = unicode ? 2: 1;
10937 return mspec->data.array_data.num_elem * esize;
10939 case MONO_NATIVE_BYVALARRAY: {
10940 // FIXME: Have to consider ArraySubType
10942 klass = mono_class_from_mono_type (type);
10943 if (klass->element_class == mono_defaults.char_class) {
10944 esize = unicode ? 2 : 1;
10947 esize = mono_class_native_size (klass->element_class, align);
10950 return mspec->data.array_data.num_elem * esize;
10952 case MONO_NATIVE_CUSTOM:
10953 *align = sizeof (gpointer);
10954 return sizeof (gpointer);
10956 case MONO_NATIVE_CURRENCY:
10957 case MONO_NATIVE_VBBYREFSTR:
10959 g_error ("native type %02x not implemented", native_type);
10962 g_assert_not_reached ();
10967 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10975 t = &o->vtable->klass->byval_arg;
10979 case MONO_TYPE_PTR:
10982 case MONO_TYPE_BOOLEAN:
10985 case MONO_TYPE_CHAR:
10990 return mono_object_unbox (o);
10992 case MONO_TYPE_STRING:
10993 switch (string_encoding) {
10994 case MONO_NATIVE_LPWSTR:
10995 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
10997 case MONO_NATIVE_LPSTR:
10998 return mono_string_to_lpstr ((MonoString*)o);
11001 g_warning ("marshaling conversion %d not implemented", string_encoding);
11002 g_assert_not_reached ();
11005 case MONO_TYPE_CLASS:
11006 case MONO_TYPE_VALUETYPE: {
11007 MonoMethod *method;
11010 MonoBoolean delete_old = FALSE;
11012 klass = t->data.klass;
11014 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11017 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11018 klass->blittable || klass->enumtype))
11019 return mono_object_unbox (o);
11021 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11023 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11024 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11028 pa [2] = &delete_old;
11030 mono_runtime_invoke (method, NULL, pa, NULL);
11038 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11043 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11051 t = &o->vtable->klass->byval_arg;
11053 case MONO_TYPE_STRING:
11054 switch (string_encoding) {
11055 case MONO_NATIVE_LPWSTR:
11056 case MONO_NATIVE_LPSTR:
11057 mono_marshal_free (ptr);
11060 g_warning ("marshaling conversion %d not implemented", string_encoding);
11061 g_assert_not_reached ();
11064 case MONO_TYPE_CLASS:
11065 case MONO_TYPE_VALUETYPE: {
11066 klass = t->data.klass;
11068 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11069 klass->blittable || klass->enumtype))
11072 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11073 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11079 mono_runtime_invoke (method, NULL, pa, NULL);
11082 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11083 mono_struct_delete_old (klass, ptr);
11086 mono_marshal_free (ptr);
11095 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
11097 MonoMethodSignature *sig, *csig;
11098 MonoMethodBuilder *mb;
11103 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11104 mb->method->slot = -1;
11106 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11107 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11109 sig = mono_method_signature (method);
11110 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
11111 csig->generic_param_count = 0;
11113 #ifndef DISABLE_JIT
11114 mono_mb_emit_ldarg (mb, 0);
11115 for (i = 0; i < csig->param_count; i++)
11116 mono_mb_emit_ldarg (mb, i + 1);
11117 mono_mb_emit_managed_call (mb, method, NULL);
11118 mono_mb_emit_byte (mb, CEE_RET);
11120 /* We can corlib internal methods */
11121 mb->skip_visibility = TRUE;
11123 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
11124 info->d.generic_array_helper.method = method;
11125 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
11133 * The mono_win32_compat_* functions are implementations of inline
11134 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11135 * although not exported by kernel32.
11137 * We map the appropiate kernel32 entries to these functions using
11138 * dllmaps declared in the global etc/mono/config.
11142 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11144 if (!dest || !source)
11147 memcpy (dest, source, length);
11151 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11153 memset (dest, fill, length);
11157 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11159 if (!dest || !source)
11162 memmove (dest, source, length);
11166 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11168 memset (dest, 0, length);
11172 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11177 for (i = 0; i < len; ++i)
11181 g_assert (i < len);
11184 while (byte && !(byte & 1))
11186 g_assert (byte == 1);
11189 *bitmask = buf [i];
11193 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11195 MonoMethodBuilder *mb;
11196 MonoMethodSignature *sig, *csig;
11197 MonoExceptionClause *clause;
11202 int i, param_count, sig_size, pos_leave;
11203 int coop_gc_var, coop_gc_dummy_local;
11207 klass = method->klass;
11208 image = method->klass->image;
11210 cache = get_cache (&mono_method_get_wrapper_cache (method)->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11213 if ((res = mono_marshal_find_in_cache (cache, method)))
11216 sig = mono_method_signature (method);
11217 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11219 /* add "this" and exception param */
11220 param_count = sig->param_count + sig->hasthis + 1;
11222 /* dup & extend signature */
11223 csig = mono_metadata_signature_alloc (image, param_count);
11224 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11225 memcpy (csig, sig, sig_size);
11226 csig->param_count = param_count;
11229 csig->call_convention = MONO_CALL_DEFAULT;
11231 if (sig->hasthis) {
11233 csig->params [0] = &klass->byval_arg;
11234 /* move params up by one */
11235 for (i = 0; i < sig->param_count; i++)
11236 csig->params [i + 1] = sig->params [i];
11239 /* setup exception param as byref+[out] */
11240 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11241 &mono_defaults.exception_class->byval_arg);
11242 csig->params [param_count - 1]->byref = 1;
11243 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11245 /* convert struct return to object */
11246 if (MONO_TYPE_ISSTRUCT (sig->ret))
11247 csig->ret = &mono_defaults.object_class->byval_arg;
11249 #ifndef DISABLE_JIT
11250 /* local 0 (temp for exception object) */
11251 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11253 /* local 1 (temp for result) */
11254 if (!MONO_TYPE_IS_VOID (sig->ret))
11255 mono_mb_add_local (mb, sig->ret);
11257 if (mono_threads_is_coop_enabled ()) {
11258 /* local 4, the local to be used when calling the reset_blocking funcs */
11259 /* tons of code hardcode 3 to be the return var */
11260 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11261 /* local 5, the local used to get a stack address for suspend funcs */
11262 coop_gc_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11265 /* clear exception arg */
11266 mono_mb_emit_ldarg (mb, param_count - 1);
11267 mono_mb_emit_byte (mb, CEE_LDNULL);
11268 mono_mb_emit_byte (mb, CEE_STIND_REF);
11270 if (mono_threads_is_coop_enabled ()) {
11271 /* FIXME this is technically wrong as the callback itself must be executed in gc unsafe context. */
11272 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
11273 mono_mb_emit_icall (mb, mono_threads_reset_blocking_start);
11274 mono_mb_emit_stloc (mb, coop_gc_var);
11278 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11279 clause->try_offset = mono_mb_get_label (mb);
11281 /* push method's args */
11282 for (i = 0; i < param_count - 1; i++) {
11286 mono_mb_emit_ldarg (mb, i);
11288 /* get the byval type of the param */
11289 klass = mono_class_from_mono_type (csig->params [i]);
11290 type = &klass->byval_arg;
11292 /* unbox struct args */
11293 if (MONO_TYPE_ISSTRUCT (type)) {
11294 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11296 /* byref args & and the "this" arg must remain a ptr.
11297 Otherwise make a copy of the value type */
11298 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11299 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11301 csig->params [i] = &mono_defaults.object_class->byval_arg;
11306 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11307 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11309 mono_mb_emit_op (mb, CEE_CALL, method);
11311 /* save result at local 1 */
11312 if (!MONO_TYPE_IS_VOID (sig->ret))
11313 mono_mb_emit_stloc (mb, 1);
11315 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11318 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11319 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11320 clause->data.catch_class = mono_defaults.object_class;
11322 clause->handler_offset = mono_mb_get_label (mb);
11324 /* store exception at local 0 */
11325 mono_mb_emit_stloc (mb, 0);
11326 mono_mb_emit_ldarg (mb, param_count - 1);
11327 mono_mb_emit_ldloc (mb, 0);
11328 mono_mb_emit_byte (mb, CEE_STIND_REF);
11329 mono_mb_emit_branch (mb, CEE_LEAVE);
11331 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11333 mono_mb_set_clauses (mb, 1, clause);
11335 mono_mb_patch_branch (mb, pos_leave);
11338 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11339 mono_mb_emit_ldloc (mb, 1);
11341 /* box the return value */
11342 if (MONO_TYPE_ISSTRUCT (sig->ret))
11343 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11346 if (mono_threads_is_coop_enabled ()) {
11347 /* XXX merge reset_blocking_end with detach */
11348 mono_mb_emit_ldloc (mb, coop_gc_var);
11349 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
11350 mono_mb_emit_icall (mb, mono_threads_reset_blocking_end);
11353 mono_mb_emit_byte (mb, CEE_RET);
11356 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11363 * mono_marshal_free_dynamic_wrappers:
11365 * Free wrappers of the dynamic method METHOD.
11368 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11370 MonoImage *image = method->klass->image;
11372 g_assert (method_is_dynamic (method));
11374 /* This could be called during shutdown */
11375 if (marshal_mutex_initialized)
11376 mono_marshal_lock ();
11378 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11379 * they could be shared with other methods ?
11381 if (image->wrapper_caches.runtime_invoke_direct_cache)
11382 g_hash_table_remove (image->wrapper_caches.runtime_invoke_direct_cache, method);
11383 if (image->wrapper_caches.delegate_abstract_invoke_cache)
11384 g_hash_table_foreach_remove (image->wrapper_caches.delegate_abstract_invoke_cache, signature_pointer_pair_matches_pointer, method);
11385 // FIXME: Need to clear the caches in other images as well
11386 if (image->delegate_bound_static_invoke_cache)
11387 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
11389 if (marshal_mutex_initialized)
11390 mono_marshal_unlock ();