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);
2405 mono_marshal_set_wrapper_info (res, info);
2406 mono_marshal_unlock ();
2410 mono_marshal_unlock ();
2411 mono_free_method (newm);
2419 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2420 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2423 return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
2427 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2430 int wrapper_type = wrapper->wrapper_type;
2433 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2436 info = mono_marshal_get_wrapper_info (wrapper);
2438 switch (wrapper_type) {
2439 case MONO_WRAPPER_REMOTING_INVOKE:
2440 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2441 case MONO_WRAPPER_XDOMAIN_INVOKE:
2442 m = info->d.remoting.method;
2443 if (wrapper->is_inflated) {
2447 * A method cannot be inflated and a wrapper at the same time, so the wrapper info
2448 * contains an uninflated method.
2450 result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
2451 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2455 case MONO_WRAPPER_SYNCHRONIZED:
2456 return info->d.synchronized.method;
2457 case MONO_WRAPPER_UNBOX:
2458 return info->d.unbox.method;
2459 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2460 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
2461 return info->d.managed_to_native.method;
2464 case MONO_WRAPPER_RUNTIME_INVOKE:
2465 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2466 return info->d.runtime_invoke.method;
2475 * mono_marshal_get_wrapper_info:
2477 * Retrieve the WrapperInfo structure associated with WRAPPER.
2480 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2482 g_assert (wrapper->wrapper_type);
2484 return mono_method_get_wrapper_data (wrapper, 1);
2488 * mono_marshal_set_wrapper_info:
2490 * Set the WrapperInfo structure associated with the wrapper
2491 * method METHOD to INFO.
2494 mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info)
2498 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2501 datav = ((MonoMethodWrapper *)method)->method_data;
2506 mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
2510 info = mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
2511 info->subtype = subtype;
2516 * get_wrapper_target_class:
2518 * Return the class where a wrapper method should be placed.
2521 get_wrapper_target_class (MonoImage *image)
2528 * - can't put all wrappers into an mscorlib class, because they reference
2529 * metadata (signature) so they should be put into the same image as the
2530 * method they wrap, so they are unloaded together.
2531 * - putting them into a class with a type initalizer could cause the
2532 * initializer to be executed which can be a problem if the wrappers are
2534 * - putting them into an inflated class can cause problems if the the
2535 * class is deleted because it references an image which is unloaded.
2536 * To avoid these problems, we put the wrappers into the <Module> class of
2539 if (image_is_dynamic (image)) {
2540 klass = ((MonoDynamicImage*)image)->wrappers_type;
2542 klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
2543 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2551 * Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
2552 * an instance of the wrapper for Sort<T>. This is required for full-aot to work.
2556 * check_generic_wrapper_cache:
2558 * Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
2559 * KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
2560 * generic method definition.
2563 check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
2566 MonoMethod *inst, *def;
2567 MonoGenericContext *ctx;
2569 g_assert (orig_method->is_inflated);
2570 ctx = mono_method_get_context (orig_method);
2573 * Look for the instance
2575 res = mono_marshal_find_in_cache (cache, key);
2580 * Look for the definition
2582 def = mono_marshal_find_in_cache (cache, def_key);
2585 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2586 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2588 mono_memory_barrier ();
2589 mono_marshal_lock ();
2590 res = g_hash_table_lookup (cache, key);
2592 g_hash_table_insert (cache, key, inst);
2595 mono_marshal_unlock ();
2602 cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
2605 MonoMethod *inst, *res;
2608 * We use the same cache for the generic definition and the instances.
2610 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2611 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2612 mono_memory_barrier ();
2613 mono_marshal_lock ();
2614 res = g_hash_table_lookup (cache, key);
2616 g_hash_table_insert (cache, key, inst);
2619 mono_marshal_unlock ();
2624 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2628 MonoMethod *inst, *def;
2631 * Look for the instance
2633 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2638 * Look for the definition
2640 def = mono_marshal_find_in_cache (cache, def_method->klass);
2642 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2643 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2646 mono_memory_barrier ();
2647 mono_marshal_lock ();
2648 res = g_hash_table_lookup (cache, orig_method->klass);
2650 g_hash_table_insert (cache, orig_method->klass, inst);
2653 mono_marshal_unlock ();
2660 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2663 MonoMethod *inst, *res;
2666 * We use the same cache for the generic definition and the instances.
2668 inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
2669 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2671 mono_memory_barrier ();
2672 mono_marshal_lock ();
2673 res = g_hash_table_lookup (cache, orig_method->klass);
2675 g_hash_table_insert (cache, orig_method->klass, inst);
2678 mono_marshal_unlock ();
2683 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2685 MonoMethodSignature *sig;
2686 MonoMethodBuilder *mb;
2691 MonoGenericContext *ctx = NULL;
2692 MonoMethod *orig_method = NULL;
2694 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2695 !strcmp (method->name, "BeginInvoke"));
2698 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2700 if (method->is_inflated) {
2701 orig_method = method;
2702 ctx = &((MonoMethodInflated*)method)->context;
2703 method = ((MonoMethodInflated*)method)->declaring;
2706 sig = mono_signature_no_pinvoke (method);
2712 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_begin_invoke_cache, mono_aligned_addr_hash, NULL);
2713 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2717 cache = get_cache (&method->klass->image->wrapper_caches.delegate_begin_invoke_cache,
2718 (GHashFunc)mono_signature_hash,
2719 (GCompareFunc)mono_metadata_signature_equal);
2720 if ((res = mono_marshal_find_in_cache (cache, sig)))
2724 g_assert (sig->hasthis);
2726 name = mono_signature_to_name (sig, "begin_invoke");
2728 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2730 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2734 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2736 mono_mb_emit_ldarg (mb, 0);
2737 mono_mb_emit_ldloc (mb, params_var);
2738 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2739 mono_mb_emit_byte (mb, CEE_RET);
2744 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2745 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2747 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2755 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2757 MonoDomain *domain = mono_domain_get ();
2758 MonoAsyncResult *ares;
2759 MonoMethod *method = NULL;
2760 MonoMethodSignature *sig;
2761 MonoMethodMessage *msg;
2762 MonoObject *res, *exc;
2763 MonoArray *out_args;
2766 g_assert (delegate);
2768 if (!delegate->method_info) {
2769 g_assert (delegate->method);
2770 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2773 if (!delegate->method_info || !delegate->method_info->method)
2774 g_assert_not_reached ();
2776 klass = delegate->object.vtable->klass;
2778 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2779 g_assert (method != NULL);
2781 sig = mono_signature_no_pinvoke (method);
2783 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2785 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2787 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."));
2791 if (ares->async_delegate != (MonoObject*)delegate) {
2792 mono_raise_exception (mono_get_exception_invalid_operation (
2793 "The IAsyncResult object provided does not match this delegate."));
2797 #ifndef DISABLE_REMOTING
2798 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2799 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2800 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2801 mono_message_init (domain, msg, delegate->method_info, NULL);
2802 msg->call_type = CallType_EndInvoke;
2803 MONO_OBJECT_SETREF (msg, async_result, ares);
2804 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2808 res = mono_threadpool_ms_end_invoke (ares, &out_args, &exc);
2812 if (((MonoException*)exc)->stack_trace) {
2813 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2815 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2817 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2820 mono_raise_exception ((MonoException*)exc);
2823 mono_method_return_message_restore (method, params, out_args);
2830 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2832 MonoType *t = mono_type_get_underlying_type (return_type);
2834 if (return_type->byref)
2835 return_type = &mono_defaults.int_class->byval_arg;
2838 case MONO_TYPE_VOID:
2839 g_assert_not_reached ();
2842 case MONO_TYPE_STRING:
2843 case MONO_TYPE_CLASS:
2844 case MONO_TYPE_OBJECT:
2845 case MONO_TYPE_ARRAY:
2846 case MONO_TYPE_SZARRAY:
2850 case MONO_TYPE_BOOLEAN:
2853 case MONO_TYPE_CHAR:
2863 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2864 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2866 case MONO_TYPE_GENERICINST:
2867 if (!mono_type_generic_inst_is_valuetype (t))
2870 case MONO_TYPE_VALUETYPE: {
2871 MonoClass *klass = mono_class_from_mono_type (return_type);
2872 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2873 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2877 case MONO_TYPE_MVAR: {
2878 MonoClass *klass = mono_class_from_mono_type (return_type);
2879 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
2883 g_warning ("type 0x%x not handled", return_type->type);
2884 g_assert_not_reached ();
2887 mono_mb_emit_byte (mb, CEE_RET);
2890 #endif /* DISABLE_JIT */
2893 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2895 MonoMethodSignature *sig;
2896 MonoMethodBuilder *mb;
2901 MonoGenericContext *ctx = NULL;
2902 MonoMethod *orig_method = NULL;
2904 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2905 !strcmp (method->name, "EndInvoke"));
2908 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2910 if (method->is_inflated) {
2911 orig_method = method;
2912 ctx = &((MonoMethodInflated*)method)->context;
2913 method = ((MonoMethodInflated*)method)->declaring;
2916 sig = mono_signature_no_pinvoke (method);
2922 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_end_invoke_cache, mono_aligned_addr_hash, NULL);
2923 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2927 cache = get_cache (&method->klass->image->wrapper_caches.delegate_end_invoke_cache,
2928 (GHashFunc)mono_signature_hash,
2929 (GCompareFunc)mono_metadata_signature_equal);
2930 if ((res = mono_marshal_find_in_cache (cache, sig)))
2934 g_assert (sig->hasthis);
2936 name = mono_signature_to_name (sig, "end_invoke");
2938 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2940 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2944 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2946 mono_mb_emit_ldarg (mb, 0);
2947 mono_mb_emit_ldloc (mb, params_var);
2948 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2950 if (sig->ret->type == MONO_TYPE_VOID) {
2951 mono_mb_emit_byte (mb, CEE_POP);
2952 mono_mb_emit_byte (mb, CEE_RET);
2954 mono_mb_emit_restore_result (mb, sig->ret);
2959 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2960 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2962 res = mono_mb_create_and_cache (cache, sig,
2963 mb, sig, sig->param_count + 16);
2972 MonoMethodSignature *sig;
2974 } SignaturePointerPair;
2977 signature_pointer_pair_hash (gconstpointer data)
2979 SignaturePointerPair *pair = (SignaturePointerPair*)data;
2981 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->pointer);
2985 signature_pointer_pair_equal (gconstpointer data1, gconstpointer data2)
2987 SignaturePointerPair *pair1 = (SignaturePointerPair*) data1, *pair2 = (SignaturePointerPair*) data2;
2988 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->pointer == pair2->pointer);
2992 signature_pointer_pair_matches_pointer (gpointer key, gpointer value, gpointer user_data)
2994 SignaturePointerPair *pair = (SignaturePointerPair*)key;
2996 return pair->pointer == user_data;
3000 free_signature_pointer_pair (SignaturePointerPair *pair)
3005 static MonoMethodSignature*
3006 sig_to_rgctx_sig (MonoMethodSignature *sig)
3008 // FIXME: memory allocation
3009 MonoMethodSignature *res;
3012 res = g_malloc (MONO_SIZEOF_METHOD_SIGNATURE + (sig->param_count + 1) * sizeof (MonoType*));
3013 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
3014 res->param_count = sig->param_count + 1;
3015 for (i = 0; i < sig->param_count; ++i)
3016 res->params [i] = sig->params [i];
3017 res->params [sig->param_count] = &mono_defaults.int_class->byval_arg;
3022 mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
3024 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3026 MonoMethodBuilder *mb;
3029 gpointer cache_key = NULL;
3030 SignaturePointerPair key;
3031 SignaturePointerPair *new_key;
3032 int local_i, local_len, local_delegates, local_d, local_target, local_res;
3033 int pos0, pos1, pos2, pos3, pos4;
3035 MonoClass *target_class = NULL;
3036 gboolean closed_over_null = FALSE;
3037 MonoGenericContext *ctx = NULL;
3038 MonoGenericContainer *container = NULL;
3039 MonoMethod *orig_method = NULL;
3041 WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
3045 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3046 !strcmp (method->name, "Invoke"));
3048 invoke_sig = sig = mono_signature_no_pinvoke (method);
3051 * If the delegate target is null, and the target method is not static, a virtual
3052 * call is made to that method with the first delegate argument as this. This is
3053 * a non-documented .NET feature.
3056 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
3057 if (target_method->is_inflated) {
3058 MonoType *target_type;
3060 g_assert (method->signature->hasthis);
3061 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3062 mono_method_get_context (method));
3063 target_class = mono_class_from_mono_type (target_type);
3065 target_class = target_method->klass;
3068 closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
3071 if (static_method_with_first_arg_bound) {
3072 subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
3073 g_assert (!callvirt);
3074 invoke_sig = mono_method_signature (target_method);
3078 * For generic delegates, create a generic wrapper, and return an instance to help AOT.
3080 if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
3081 orig_method = method;
3082 ctx = &((MonoMethodInflated*)method)->context;
3083 method = ((MonoMethodInflated*)method)->declaring;
3085 container = mono_method_get_generic_container (method);
3087 container = method->klass->generic_container;
3088 g_assert (container);
3090 invoke_sig = sig = mono_signature_no_pinvoke (method);
3097 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_invoke_cache, mono_aligned_addr_hash, NULL);
3098 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
3101 cache_key = method->klass;
3102 } else if (static_method_with_first_arg_bound) {
3103 cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
3104 (GHashFunc)mono_signature_hash,
3105 (GCompareFunc)mono_metadata_signature_equal);
3107 * The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
3109 res = mono_marshal_find_in_cache (cache, invoke_sig);
3112 cache_key = invoke_sig;
3113 } else if (callvirt) {
3114 GHashTable **cache_ptr;
3116 cache_ptr = &mono_method_get_wrapper_cache (method)->delegate_abstract_invoke_cache;
3118 /* We need to cache the signature+method pair */
3119 mono_marshal_lock ();
3121 *cache_ptr = g_hash_table_new_full (signature_pointer_pair_hash, (GEqualFunc)signature_pointer_pair_equal, (GDestroyNotify)free_signature_pointer_pair, NULL);
3123 key.sig = invoke_sig;
3124 key.pointer = target_method;
3125 res = g_hash_table_lookup (cache, &key);
3126 mono_marshal_unlock ();
3130 // Inflated methods should not be in this cache because it's not stored on the imageset.
3131 g_assert (!method->is_inflated);
3132 cache = get_cache (&method->klass->image->wrapper_caches.delegate_invoke_cache,
3133 (GHashFunc)mono_signature_hash,
3134 (GCompareFunc)mono_metadata_signature_equal);
3135 res = mono_marshal_find_in_cache (cache, sig);
3141 static_sig = mono_metadata_signature_dup_full (method->klass->image, sig);
3142 static_sig->hasthis = 0;
3143 if (!static_method_with_first_arg_bound)
3144 invoke_sig = static_sig;
3146 if (static_method_with_first_arg_bound)
3147 name = mono_signature_to_name (invoke_sig, "invoke_bound");
3148 else if (closed_over_null)
3149 name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
3151 name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
3153 name = mono_signature_to_name (invoke_sig, "invoke");
3155 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
3157 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
3161 void_ret = sig->ret->type == MONO_TYPE_VOID && !method->string_ctor;
3163 /* allocate local 0 (object) */
3164 local_i = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3165 local_len = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3166 local_delegates = mono_mb_add_local (mb, &mono_defaults.array_class->byval_arg);
3167 local_d = mono_mb_add_local (mb, &mono_defaults.multicastdelegate_class->byval_arg);
3168 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3171 local_res = mono_mb_add_local (mb, &mono_class_from_mono_type (sig->ret)->byval_arg);
3173 g_assert (sig->hasthis);
3176 * {type: sig->ret} res;
3177 * if (delegates == null) {
3178 * return this.<target> ( args .. );
3180 * int i = 0, len = this.delegates.Length;
3182 * res = this.delegates [i].Invoke ( args .. );
3183 * } while (++i < len);
3188 /* this wrapper can be used in unmanaged-managed transitions */
3189 emit_thread_interrupt_checkpoint (mb);
3191 /* delegates = this.delegates */
3192 mono_mb_emit_ldarg (mb, 0);
3193 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, delegates));
3194 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3195 mono_mb_emit_stloc (mb, local_delegates);
3198 /* if (delegates == null) */
3199 mono_mb_emit_ldloc (mb, local_delegates);
3200 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
3202 /* return target.<target_method|method_ptr> ( args .. ); */
3204 /* target = d.target; */
3205 mono_mb_emit_ldarg (mb, 0);
3206 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
3207 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3208 mono_mb_emit_stloc (mb, local_target);
3210 /*static methods with bound first arg can have null target and still be bound*/
3211 if (!static_method_with_first_arg_bound) {
3212 /* if target != null */
3213 mono_mb_emit_ldloc (mb, local_target);
3214 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3216 /* then call this->method_ptr nonstatic */
3219 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
3221 MonoMethodSignature *rgctx_sig;
3223 // FIXME: Support this for the other cases as well
3224 mono_mb_emit_ldarg (mb, 0);
3225 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3226 mono_mb_emit_byte (mb, CEE_LDIND_I);
3227 pos3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3230 rgctx_sig = sig_to_rgctx_sig (sig);
3232 mono_mb_emit_ldloc (mb, local_target);
3233 for (i = 0; i < sig->param_count; ++i)
3234 mono_mb_emit_ldarg (mb, i + 1);
3235 mono_mb_emit_ldarg (mb, 0);
3236 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3237 mono_mb_emit_byte (mb, CEE_LDIND_I);
3238 mono_mb_emit_ldarg (mb, 0);
3239 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3240 mono_mb_emit_byte (mb, CEE_LDIND_I);
3241 mono_mb_emit_op (mb, CEE_CALLI, rgctx_sig);
3242 pos4 = mono_mb_emit_branch (mb, CEE_BR);
3244 /* Non-rgctx case */
3245 mono_mb_patch_branch (mb, pos3);
3246 mono_mb_emit_ldloc (mb, local_target);
3247 for (i = 0; i < sig->param_count; ++i)
3248 mono_mb_emit_ldarg (mb, i + 1);
3249 mono_mb_emit_ldarg (mb, 0);
3250 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3251 mono_mb_emit_byte (mb, CEE_LDIND_I );
3252 mono_mb_emit_op (mb, CEE_CALLI, sig);
3254 mono_mb_patch_branch (mb, pos4);
3256 mono_mb_emit_byte (mb, CEE_RET);
3259 /* else [target == null] call this->method_ptr static */
3260 mono_mb_patch_branch (mb, pos0);
3264 if (!closed_over_null) {
3265 if (target_class->valuetype) {
3266 mono_mb_emit_ldarg (mb, 1);
3267 for (i = 1; i < sig->param_count; ++i)
3268 mono_mb_emit_ldarg (mb, i + 1);
3269 mono_mb_emit_op (mb, CEE_CALL, target_method);
3271 mono_mb_emit_ldarg (mb, 1);
3272 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
3273 for (i = 1; i < sig->param_count; ++i)
3274 mono_mb_emit_ldarg (mb, i + 1);
3275 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
3278 mono_mb_emit_byte (mb, CEE_LDNULL);
3279 for (i = 0; i < sig->param_count; ++i)
3280 mono_mb_emit_ldarg (mb, i + 1);
3281 mono_mb_emit_op (mb, CEE_CALL, target_method);
3284 MonoMethodSignature *rgctx_sig;
3286 mono_mb_emit_ldarg (mb, 0);
3287 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3288 mono_mb_emit_byte (mb, CEE_LDIND_I);
3289 pos3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3292 rgctx_sig = sig_to_rgctx_sig (invoke_sig);
3294 if (static_method_with_first_arg_bound) {
3295 mono_mb_emit_ldloc (mb, local_target);
3296 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3297 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3299 for (i = 0; i < sig->param_count; ++i)
3300 mono_mb_emit_ldarg (mb, i + 1);
3301 mono_mb_emit_ldarg (mb, 0);
3302 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, rgctx));
3303 mono_mb_emit_byte (mb, CEE_LDIND_I);
3304 mono_mb_emit_ldarg (mb, 0);
3305 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3306 mono_mb_emit_byte (mb, CEE_LDIND_I);
3307 mono_mb_emit_op (mb, CEE_CALLI, rgctx_sig);
3308 pos4 = mono_mb_emit_branch (mb, CEE_BR);
3310 /* Non-rgctx case */
3311 mono_mb_patch_branch (mb, pos3);
3312 if (static_method_with_first_arg_bound) {
3313 mono_mb_emit_ldloc (mb, local_target);
3314 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
3315 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
3317 for (i = 0; i < sig->param_count; ++i)
3318 mono_mb_emit_ldarg (mb, i + 1);
3319 mono_mb_emit_ldarg (mb, 0);
3320 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
3321 mono_mb_emit_byte (mb, CEE_LDIND_I);
3322 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
3324 mono_mb_patch_branch (mb, pos4);
3327 mono_mb_emit_byte (mb, CEE_RET);
3329 /* else [delegates != null] */
3330 mono_mb_patch_branch (mb, pos2);
3332 /* len = delegates.Length; */
3333 mono_mb_emit_ldloc (mb, local_delegates);
3334 mono_mb_emit_byte (mb, CEE_LDLEN);
3335 mono_mb_emit_byte (mb, CEE_CONV_I4);
3336 mono_mb_emit_stloc (mb, local_len);
3339 mono_mb_emit_icon (mb, 0);
3340 mono_mb_emit_stloc (mb, local_i);
3342 pos1 = mono_mb_get_label (mb);
3344 /* d = delegates [i]; */
3345 mono_mb_emit_ldloc (mb, local_delegates);
3346 mono_mb_emit_ldloc (mb, local_i);
3347 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3348 mono_mb_emit_stloc (mb, local_d);
3350 /* res = d.Invoke ( args .. ); */
3351 mono_mb_emit_ldloc (mb, local_d);
3352 for (i = 0; i < sig->param_count; i++)
3353 mono_mb_emit_ldarg (mb, i + 1);
3355 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3358 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method_checked (method, &container->context, &error));
3359 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3362 mono_mb_emit_stloc (mb, local_res);
3365 mono_mb_emit_add_to_local (mb, local_i, 1);
3368 mono_mb_emit_ldloc (mb, local_i);
3369 mono_mb_emit_ldloc (mb, local_len);
3370 mono_mb_emit_branch_label (mb, CEE_BLT, pos1);
3374 mono_mb_emit_ldloc (mb, local_res);
3375 mono_mb_emit_byte (mb, CEE_RET);
3377 mb->skip_visibility = 1;
3378 #endif /* DISABLE_JIT */
3383 def = mono_mb_create_and_cache (cache, cache_key, mb, sig, sig->param_count + 16);
3384 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3385 } else if (callvirt) {
3386 new_key = g_new0 (SignaturePointerPair, 1);
3389 info = mono_wrapper_info_create (mb, subtype);
3391 res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
3395 info = mono_wrapper_info_create (mb, subtype);
3397 res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
3401 /* mono_method_print_code (res); */
3407 * the returned method invokes all methods in a multicast delegate.
3410 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3412 gboolean callvirt = FALSE;
3413 gboolean static_method_with_first_arg_bound = FALSE;
3414 MonoMethod *target_method = NULL;
3415 MonoMethodSignature *sig;
3417 sig = mono_signature_no_pinvoke (method);
3419 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3421 target_method = del->method;
3424 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
3425 static_method_with_first_arg_bound = TRUE;
3426 target_method = del->method;
3429 return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
3433 MonoMethodSignature *ctor_sig;
3434 MonoMethodSignature *sig;
3437 /* protected by the marshal lock, contains CtorSigPair pointers */
3438 static GSList *strsig_list = NULL;
3440 static MonoMethodSignature *
3441 lookup_string_ctor_signature (MonoMethodSignature *sig)
3443 MonoMethodSignature *callsig;
3447 mono_marshal_lock ();
3449 for (item = strsig_list; item; item = item->next) {
3451 /* mono_metadata_signature_equal () is safe to call with the marshal lock
3452 * because it is lock-free.
3454 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
3459 mono_marshal_unlock ();
3463 static MonoMethodSignature *
3464 add_string_ctor_signature (MonoMethod *method)
3466 MonoMethodSignature *callsig;
3469 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3470 callsig->ret = &mono_defaults.string_class->byval_arg;
3471 cs = g_new (CtorSigPair, 1);
3473 cs->ctor_sig = mono_method_signature (method);
3475 mono_marshal_lock ();
3476 strsig_list = g_slist_prepend (strsig_list, cs);
3477 mono_marshal_unlock ();
3482 * mono_marshal_get_string_ctor_signature:
3484 * Return the modified signature used by string ctors (they return the newly created
3487 MonoMethodSignature*
3488 mono_marshal_get_string_ctor_signature (MonoMethod *method)
3490 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
3492 sig = add_string_ctor_signature (method);
3498 get_runtime_invoke_type (MonoType *t, gboolean ret)
3501 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
3503 /* Can't share this with 'I' as that needs another indirection */
3504 return &mono_defaults.int_class->this_arg;
3507 if (MONO_TYPE_IS_REFERENCE (t))
3508 return &mono_defaults.object_class->byval_arg;
3511 /* The result needs to be boxed */
3516 /* Can't share these as the argument needs to be loaded using sign/zero extension */
3519 return &mono_defaults.sbyte_class->byval_arg;
3521 return &mono_defaults.int16_class->byval_arg;
3523 return &mono_defaults.int32_class->byval_arg;
3526 return &mono_defaults.int64_class->byval_arg;
3527 case MONO_TYPE_BOOLEAN:
3528 return &mono_defaults.byte_class->byval_arg;
3529 case MONO_TYPE_CHAR:
3530 return &mono_defaults.uint16_class->byval_arg;
3533 return &mono_defaults.int_class->byval_arg;
3534 case MONO_TYPE_VALUETYPE:
3535 if (t->data.klass->enumtype) {
3536 t = mono_class_enum_basetype (t->data.klass);
3546 * mono_marshal_get_runtime_invoke_sig:
3548 * Return a common signature used for sharing runtime invoke wrappers.
3550 static MonoMethodSignature*
3551 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
3553 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
3556 res->generic_param_count = 0;
3557 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
3558 for (i = 0; i < res->param_count; ++i)
3559 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
3565 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
3567 /* Can't share wrappers which return a vtype since it needs to be boxed */
3568 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))
3571 return mono_metadata_signature_equal (sig1, sig2);
3579 * Emit the call to the wrapper method from a runtime invoke wrapper.
3582 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
3583 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3585 gboolean virtual, gboolean need_direct_wrapper)
3587 static MonoString *string_dummy = NULL;
3589 int *tmp_nullable_locals;
3590 gboolean void_ret = FALSE;
3592 /* to make it work with our special string constructors */
3593 if (!string_dummy) {
3594 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy, MONO_ROOT_SOURCE_MARSHAL, "dummy marshal string");
3595 string_dummy = mono_string_new_wrapper ("dummy");
3599 g_assert (sig->hasthis);
3600 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
3604 if (method->string_ctor) {
3605 if (mono_gc_is_moving ()) {
3606 mono_mb_emit_ptr (mb, &string_dummy);
3607 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3609 mono_mb_emit_ptr (mb, string_dummy);
3612 mono_mb_emit_ldarg (mb, 0);
3616 tmp_nullable_locals = g_new0 (int, sig->param_count);
3618 for (i = 0; i < sig->param_count; i++) {
3619 MonoType *t = sig->params [i];
3622 mono_mb_emit_ldarg (mb, 1);
3624 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3625 mono_mb_emit_byte (mb, CEE_ADD);
3629 mono_mb_emit_byte (mb, CEE_LDIND_I);
3630 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
3631 * So to make this work we unbox it to a local variablee and push a reference to that.
3633 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3634 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
3636 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
3637 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
3638 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
3643 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
3644 type = sig->params [i]->type;
3648 case MONO_TYPE_BOOLEAN:
3652 case MONO_TYPE_CHAR:
3661 mono_mb_emit_byte (mb, CEE_LDIND_I);
3662 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3664 case MONO_TYPE_STRING:
3665 case MONO_TYPE_CLASS:
3666 case MONO_TYPE_ARRAY:
3668 case MONO_TYPE_SZARRAY:
3669 case MONO_TYPE_OBJECT:
3670 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3672 case MONO_TYPE_GENERICINST:
3673 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
3674 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3679 case MONO_TYPE_VALUETYPE:
3680 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
3681 type = mono_class_enum_basetype (t->data.klass)->type;
3684 mono_mb_emit_byte (mb, CEE_LDIND_I);
3685 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
3686 /* Need to convert a boxed vtype to an mp to a Nullable struct */
3687 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
3688 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
3690 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
3694 g_assert_not_reached ();
3699 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3700 } else if (need_direct_wrapper) {
3701 mono_mb_emit_op (mb, CEE_CALL, method);
3703 mono_mb_emit_ldarg (mb, 3);
3704 mono_mb_emit_calli (mb, callsig);
3707 if (sig->ret->byref) {
3709 g_assert_not_reached ();
3712 switch (sig->ret->type) {
3713 case MONO_TYPE_VOID:
3714 if (!method->string_ctor)
3717 case MONO_TYPE_BOOLEAN:
3718 case MONO_TYPE_CHAR:
3731 case MONO_TYPE_VALUETYPE:
3732 case MONO_TYPE_TYPEDBYREF:
3733 case MONO_TYPE_GENERICINST:
3734 /* box value types */
3735 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
3737 case MONO_TYPE_STRING:
3738 case MONO_TYPE_CLASS:
3739 case MONO_TYPE_ARRAY:
3740 case MONO_TYPE_SZARRAY:
3741 case MONO_TYPE_OBJECT:
3745 /* The result is an IntPtr */
3746 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
3749 g_assert_not_reached ();
3753 mono_mb_emit_stloc (mb, loc_res);
3755 /* Convert back nullable-byref arguments */
3756 for (i = 0; i < sig->param_count; i++) {
3757 MonoType *t = sig->params [i];
3760 * Box the result and put it back into the array, the caller will have
3761 * to obtain it from there.
3763 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
3764 mono_mb_emit_ldarg (mb, 1);
3765 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3766 mono_mb_emit_byte (mb, CEE_ADD);
3768 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
3769 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
3771 mono_mb_emit_byte (mb, CEE_STIND_REF);
3775 g_free (tmp_nullable_locals);
3779 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
3780 MonoMethodSignature *sig, MonoMethodSignature *callsig,
3781 gboolean virtual, gboolean need_direct_wrapper)
3784 MonoExceptionClause *clause;
3785 int loc_res, loc_exc;
3787 /* The wrapper looks like this:
3793 * } catch (Exception e) {
3801 /* allocate local 0 (object) tmp */
3802 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3803 /* allocate local 1 (object) exc */
3804 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3806 /* *exc is assumed to be initialized to NULL by the caller */
3808 mono_mb_emit_byte (mb, CEE_LDARG_2);
3809 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
3814 labels [1] = mono_mb_get_label (mb);
3815 emit_thread_force_interrupt_checkpoint (mb);
3816 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
3818 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
3820 /* Add a try clause around the call */
3821 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
3822 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3823 clause->data.catch_class = mono_defaults.exception_class;
3824 clause->try_offset = labels [1];
3825 clause->try_len = mono_mb_get_label (mb) - labels [1];
3827 clause->handler_offset = mono_mb_get_label (mb);
3830 mono_mb_emit_stloc (mb, loc_exc);
3831 mono_mb_emit_byte (mb, CEE_LDARG_2);
3832 mono_mb_emit_ldloc (mb, loc_exc);
3833 mono_mb_emit_byte (mb, CEE_STIND_REF);
3835 mono_mb_emit_branch (mb, CEE_LEAVE);
3837 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
3839 mono_mb_set_clauses (mb, 1, clause);
3841 mono_mb_patch_branch (mb, labels [2]);
3842 mono_mb_emit_ldloc (mb, loc_res);
3843 mono_mb_emit_byte (mb, CEE_RET);
3848 mono_mb_patch_branch (mb, labels [0]);
3849 emit_thread_force_interrupt_checkpoint (mb);
3850 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
3852 mono_mb_emit_ldloc (mb, 0);
3853 mono_mb_emit_byte (mb, CEE_RET);
3858 * generates IL code for the runtime invoke function
3859 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3861 * we also catch exceptions if exc != null
3862 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
3863 * it means that the compiled code for METHOD does not have to be looked up
3864 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
3865 * its METHOD argument.
3866 * If PASS_RGCTX is TRUE, the signature of the called method is changed to include a 'gpointer rgctx' as the
3867 * first argument (after 'this').
3870 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual, gboolean pass_rgctx)
3872 MonoMethodSignature *sig, *csig, *callsig;
3873 MonoMethodBuilder *mb;
3874 GHashTable *cache = NULL;
3875 MonoClass *target_klass;
3876 MonoMethod *res = NULL;
3877 static MonoMethodSignature *cctor_signature = NULL;
3878 static MonoMethodSignature *finalize_signature = NULL;
3880 const char *param_names [16];
3881 gboolean need_direct_wrapper = FALSE;
3886 if (!cctor_signature) {
3887 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3888 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
3890 if (!finalize_signature) {
3891 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3892 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
3893 finalize_signature->hasthis = 1;
3897 need_direct_wrapper = TRUE;
3900 * Use a separate cache indexed by methods to speed things up and to avoid the
3901 * boundless mempool growth caused by the signature_dup stuff below.
3904 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
3906 cache = get_cache (&mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
3908 res = mono_marshal_find_in_cache (cache, method);
3912 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
3913 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
3915 * Array Get/Set/Address methods. The JIT implements them using inline code
3916 * so we need to create an invoke wrapper which calls the method directly.
3918 need_direct_wrapper = TRUE;
3921 if (method->string_ctor) {
3922 callsig = lookup_string_ctor_signature (mono_method_signature (method));
3924 callsig = add_string_ctor_signature (method);
3925 /* Can't share this as we push a string as this */
3926 need_direct_wrapper = TRUE;
3928 if (method_is_dynamic (method))
3929 callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
3931 callsig = mono_method_signature (method);
3934 sig = mono_method_signature (method);
3937 sig = sig_to_rgctx_sig (sig);
3938 callsig = sig_to_rgctx_sig (callsig);
3941 target_klass = get_wrapper_target_class (method->klass->image);
3943 /* Try to share wrappers for non-corlib methods with simple signatures */
3944 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
3945 callsig = cctor_signature;
3946 target_klass = mono_defaults.object_class;
3947 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
3948 callsig = finalize_signature;
3949 target_klass = mono_defaults.object_class;
3952 if (need_direct_wrapper) {
3953 /* Already searched at the start */
3955 MonoMethodSignature *tmp_sig;
3957 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
3958 GHashTable **cache_table = NULL;
3960 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3961 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_vtype_cache;
3963 cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_cache;
3965 cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
3966 (GCompareFunc)runtime_invoke_signature_equal);
3968 /* from mono_marshal_find_in_cache */
3969 mono_marshal_lock ();
3970 res = g_hash_table_lookup (cache, callsig);
3971 mono_marshal_unlock ();
3978 /* Make a copy of the signature from the image mempool */
3980 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
3984 csig = mono_metadata_signature_alloc (target_klass->image, 4);
3986 csig->ret = &mono_defaults.object_class->byval_arg;
3987 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3988 csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
3990 csig->params [0] = &mono_defaults.object_class->byval_arg;
3991 csig->params [1] = &mono_defaults.int_class->byval_arg;
3992 csig->params [2] = &mono_defaults.int_class->byval_arg;
3993 csig->params [3] = &mono_defaults.int_class->byval_arg;
3996 /* This is called from runtime code so it has to be cdecl */
3997 csig->call_convention = MONO_CALL_C;
4000 name = mono_signature_to_name (callsig, pass_rgctx ? (virtual ? "runtime_invoke_virtual_rgctx" : "runtime_invoke_rgctx") : (virtual ? "runtime_invoke_virtual" : "runtime_invoke"));
4001 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4005 param_names [0] = "this";
4006 param_names [1] = "params";
4007 param_names [2] = "exc";
4008 param_names [3] = "method";
4009 mono_mb_set_param_names (mb, param_names);
4011 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4014 if (need_direct_wrapper) {
4016 mb->skip_visibility = 1;
4018 info = mono_wrapper_info_create (mb, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4019 info->d.runtime_invoke.method = method;
4020 res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
4022 /* taken from mono_mb_create_and_cache */
4023 mono_marshal_lock ();
4024 res = g_hash_table_lookup (cache, callsig);
4025 mono_marshal_unlock ();
4027 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4028 info->d.runtime_invoke.sig = callsig;
4029 info->d.runtime_invoke.pass_rgctx = pass_rgctx;
4031 /* Somebody may have created it before us */
4034 newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
4036 mono_marshal_lock ();
4037 res = g_hash_table_lookup (cache, callsig);
4039 GHashTable *direct_cache;
4041 g_hash_table_insert (cache, callsig, res);
4042 /* Can't insert it into wrapper_hash since the key is a signature */
4043 direct_cache = mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache;
4045 g_hash_table_insert (direct_cache, method, res);
4047 mono_free_method (newm);
4049 mono_marshal_unlock ();
4052 /* end mono_mb_create_and_cache */
4061 * mono_marshal_get_runtime_invoke_dynamic:
4063 * Return a method which can be used to invoke managed methods from native code
4065 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4066 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4067 * ARGS should point to an architecture specific structure containing
4068 * the arguments and space for the return value.
4069 * The other arguments are the same as for runtime_invoke (), except that
4070 * ARGS should contain the this argument too.
4071 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4072 * is only one copy of it, which is useful in full-aot.
4073 * The wrapper info for the wrapper is a WrapperInfo structure.
4076 mono_marshal_get_runtime_invoke_dynamic (void)
4078 static MonoMethod *method;
4079 MonoMethodSignature *csig;
4080 MonoExceptionClause *clause;
4081 MonoMethodBuilder *mb;
4089 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4091 csig->ret = &mono_defaults.void_class->byval_arg;
4092 csig->params [0] = &mono_defaults.int_class->byval_arg;
4093 csig->params [1] = &mono_defaults.int_class->byval_arg;
4094 csig->params [2] = &mono_defaults.int_class->byval_arg;
4095 csig->params [3] = &mono_defaults.int_class->byval_arg;
4097 name = g_strdup ("runtime_invoke_dynamic");
4098 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4102 /* allocate local 0 (object) tmp */
4103 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4104 /* allocate local 1 (object) exc */
4105 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4107 /* cond set *exc to null */
4108 mono_mb_emit_byte (mb, CEE_LDARG_1);
4109 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4110 mono_mb_emit_byte (mb, 3);
4111 mono_mb_emit_byte (mb, CEE_LDARG_1);
4112 mono_mb_emit_byte (mb, CEE_LDNULL);
4113 mono_mb_emit_byte (mb, CEE_STIND_REF);
4115 emit_thread_force_interrupt_checkpoint (mb);
4117 mono_mb_emit_byte (mb, CEE_LDARG_0);
4118 mono_mb_emit_byte (mb, CEE_LDARG_2);
4119 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4120 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4122 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4124 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4125 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4126 clause->try_len = mono_mb_get_label (mb);
4129 clause->data.filter_offset = mono_mb_get_label (mb);
4131 mono_mb_emit_byte (mb, CEE_POP);
4132 mono_mb_emit_byte (mb, CEE_LDARG_1);
4133 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4134 mono_mb_emit_byte (mb, CEE_PREFIX1);
4135 mono_mb_emit_byte (mb, CEE_CGT_UN);
4136 mono_mb_emit_byte (mb, CEE_PREFIX1);
4137 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4139 clause->handler_offset = mono_mb_get_label (mb);
4142 /* store exception */
4143 mono_mb_emit_stloc (mb, 1);
4145 mono_mb_emit_byte (mb, CEE_LDARG_1);
4146 mono_mb_emit_ldloc (mb, 1);
4147 mono_mb_emit_byte (mb, CEE_STIND_REF);
4149 mono_mb_emit_byte (mb, CEE_LDNULL);
4150 mono_mb_emit_stloc (mb, 0);
4152 /* Check for the abort exception */
4153 mono_mb_emit_ldloc (mb, 1);
4154 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4155 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4157 /* Delay the abort exception */
4158 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4160 mono_mb_patch_short_branch (mb, posna);
4161 mono_mb_emit_branch (mb, CEE_LEAVE);
4163 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4165 mono_mb_set_clauses (mb, 1, clause);
4168 mono_mb_patch_branch (mb, pos);
4169 //mono_mb_emit_ldloc (mb, 0);
4170 mono_mb_emit_byte (mb, CEE_RET);
4171 #endif /* DISABLE_JIT */
4173 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4175 mono_marshal_lock ();
4176 /* double-checked locking */
4178 method = mono_mb_create (mb, csig, 16, info);
4180 mono_marshal_unlock ();
4189 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4191 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4192 klass->name_space, klass->name);
4194 mono_mb_emit_exception_marshal_directive (mb, msg);
4199 * generates IL code for the icall wrapper (the generated method
4200 * calls the unmanaged code in func)
4201 * The wrapper info for the wrapper is a WrapperInfo structure.
4204 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
4206 MonoMethodSignature *csig, *csig2;
4207 MonoMethodBuilder *mb;
4212 g_assert (sig->pinvoke);
4214 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4216 mb->method->save_lmf = 1;
4218 /* Add an explicit this argument */
4220 csig2 = mono_metadata_signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
4222 csig2 = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4226 mono_mb_emit_byte (mb, CEE_LDARG_0);
4228 for (i = 0; i < sig->param_count; i++)
4229 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4231 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4232 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
4233 mono_mb_emit_calli (mb, csig2);
4234 if (check_exceptions)
4235 emit_thread_interrupt_checkpoint (mb);
4236 mono_mb_emit_byte (mb, CEE_RET);
4239 csig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
4241 if (csig->call_convention == MONO_CALL_VARARG)
4242 csig->call_convention = 0;
4244 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
4245 info->d.icall.func = (gpointer)func;
4246 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
4253 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4254 MonoMarshalSpec *spec,
4255 int conv_arg, MonoType **conv_arg_type,
4256 MarshalAction action)
4259 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
4260 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4265 static MonoClass *ICustomMarshaler = NULL;
4266 static MonoMethod *cleanup_native, *cleanup_managed;
4267 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4268 MonoMethod *get_instance = NULL;
4269 MonoMethodBuilder *mb = m->mb;
4270 char *exception_msg = NULL;
4274 if (!ICustomMarshaler) {
4275 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4277 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
4278 goto handle_exception;
4281 cleanup_native = mono_class_get_method_from_name (klass, "CleanUpNativeData", 1);
4282 g_assert (cleanup_native);
4283 cleanup_managed = mono_class_get_method_from_name (klass, "CleanUpManagedData", 1);
4284 g_assert (cleanup_managed);
4285 marshal_managed_to_native = mono_class_get_method_from_name (klass, "MarshalManagedToNative", 1);
4286 g_assert (marshal_managed_to_native);
4287 marshal_native_to_managed = mono_class_get_method_from_name (klass, "MarshalNativeToManaged", 1);
4288 g_assert (marshal_native_to_managed);
4290 mono_memory_barrier ();
4291 ICustomMarshaler = klass;
4294 if (spec->data.custom_data.image)
4295 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, spec->data.custom_data.image);
4297 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
4298 g_assert (mtype != NULL);
4299 mklass = mono_class_from_mono_type (mtype);
4300 g_assert (mklass != NULL);
4302 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4303 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4305 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4307 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4308 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4309 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4310 (get_sig->params [0]->type != MONO_TYPE_STRING))
4311 get_instance = NULL;
4315 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);
4318 /* Throw exception and emit compensation code if neccesary */
4319 if (exception_msg) {
4321 case MARSHAL_ACTION_CONV_IN:
4322 case MARSHAL_ACTION_CONV_RESULT:
4323 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4324 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4325 mono_mb_emit_byte (mb, CEE_POP);
4327 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4328 g_free (exception_msg);
4331 case MARSHAL_ACTION_PUSH:
4332 mono_mb_emit_byte (mb, CEE_LDNULL);
4340 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4341 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4344 case MARSHAL_ACTION_CONV_IN:
4346 case MONO_TYPE_CLASS:
4347 case MONO_TYPE_OBJECT:
4348 case MONO_TYPE_STRING:
4349 case MONO_TYPE_ARRAY:
4350 case MONO_TYPE_SZARRAY:
4351 case MONO_TYPE_VALUETYPE:
4355 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4356 g_assert_not_reached ();
4360 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4362 mono_mb_emit_byte (mb, CEE_LDNULL);
4363 mono_mb_emit_stloc (mb, conv_arg);
4365 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4368 /* Minic MS.NET behavior */
4369 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
4372 /* Check for null */
4373 mono_mb_emit_ldarg (mb, argnum);
4375 mono_mb_emit_byte (mb, CEE_LDIND_I);
4376 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4378 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4380 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4382 mono_mb_emit_ldarg (mb, argnum);
4384 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4386 if (t->type == MONO_TYPE_VALUETYPE) {
4388 * Since we can't determine the type of the argument, we
4389 * will assume the unmanaged function takes a pointer.
4391 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4393 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4396 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4397 mono_mb_emit_stloc (mb, conv_arg);
4399 mono_mb_patch_branch (mb, pos2);
4402 case MARSHAL_ACTION_CONV_OUT:
4403 /* Check for null */
4404 mono_mb_emit_ldloc (mb, conv_arg);
4405 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4408 mono_mb_emit_ldarg (mb, argnum);
4410 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4412 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4414 mono_mb_emit_ldloc (mb, conv_arg);
4415 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4416 mono_mb_emit_byte (mb, CEE_STIND_REF);
4417 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
4418 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4420 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4422 mono_mb_emit_ldloc (mb, conv_arg);
4423 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4425 /* We have nowhere to store the result */
4426 mono_mb_emit_byte (mb, CEE_POP);
4429 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4431 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4433 mono_mb_emit_ldloc (mb, conv_arg);
4435 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4437 mono_mb_patch_branch (mb, pos2);
4440 case MARSHAL_ACTION_PUSH:
4442 mono_mb_emit_ldloc_addr (mb, conv_arg);
4444 mono_mb_emit_ldloc (mb, conv_arg);
4447 case MARSHAL_ACTION_CONV_RESULT:
4448 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4450 mono_mb_emit_stloc (mb, 3);
4452 mono_mb_emit_ldloc (mb, 3);
4453 mono_mb_emit_stloc (mb, loc1);
4455 /* Check for null */
4456 mono_mb_emit_ldloc (mb, 3);
4457 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4459 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4461 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4462 mono_mb_emit_byte (mb, CEE_DUP);
4464 mono_mb_emit_ldloc (mb, 3);
4465 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4466 mono_mb_emit_stloc (mb, 3);
4468 mono_mb_emit_ldloc (mb, loc1);
4469 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
4471 mono_mb_patch_branch (mb, pos2);
4474 case MARSHAL_ACTION_MANAGED_CONV_IN:
4475 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4477 mono_mb_emit_byte (mb, CEE_LDNULL);
4478 mono_mb_emit_stloc (mb, conv_arg);
4480 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
4483 /* Check for null */
4484 mono_mb_emit_ldarg (mb, argnum);
4486 mono_mb_emit_byte (mb, CEE_LDIND_I);
4487 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4489 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4490 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4492 mono_mb_emit_ldarg (mb, argnum);
4494 mono_mb_emit_byte (mb, CEE_LDIND_I);
4496 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
4497 mono_mb_emit_stloc (mb, conv_arg);
4499 mono_mb_patch_branch (mb, pos2);
4502 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4503 g_assert (!t->byref);
4505 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4507 mono_mb_emit_stloc (mb, 3);
4509 mono_mb_emit_ldloc (mb, 3);
4510 mono_mb_emit_stloc (mb, loc1);
4512 /* Check for null */
4513 mono_mb_emit_ldloc (mb, 3);
4514 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4516 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4517 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4518 mono_mb_emit_byte (mb, CEE_DUP);
4520 mono_mb_emit_ldloc (mb, 3);
4521 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4522 mono_mb_emit_stloc (mb, 3);
4524 mono_mb_emit_ldloc (mb, loc1);
4525 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4527 mono_mb_patch_branch (mb, pos2);
4530 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4532 /* Check for null */
4533 mono_mb_emit_ldloc (mb, conv_arg);
4534 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4537 mono_mb_emit_ldarg (mb, argnum);
4539 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4541 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4543 mono_mb_emit_ldloc (mb, conv_arg);
4544 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
4545 mono_mb_emit_byte (mb, CEE_STIND_I);
4548 /* Call CleanUpManagedData */
4549 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4551 mono_mb_emit_op (mb, CEE_CALL, get_instance);
4553 mono_mb_emit_ldloc (mb, conv_arg);
4554 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
4556 mono_mb_patch_branch (mb, pos2);
4560 g_assert_not_reached ();
4568 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4569 MonoMarshalSpec *spec,
4570 int conv_arg, MonoType **conv_arg_type,
4571 MarshalAction action)
4574 MonoMethodBuilder *mb = m->mb;
4577 case MARSHAL_ACTION_CONV_IN: {
4578 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4580 g_assert (t->type == MONO_TYPE_OBJECT);
4581 g_assert (!t->byref);
4583 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4584 mono_mb_emit_ldarg (mb, argnum);
4585 mono_mb_emit_icon (mb, encoding);
4586 mono_mb_emit_icon (mb, t->attrs);
4587 mono_mb_emit_icall (mb, mono_marshal_asany);
4588 mono_mb_emit_stloc (mb, conv_arg);
4592 case MARSHAL_ACTION_PUSH:
4593 mono_mb_emit_ldloc (mb, conv_arg);
4596 case MARSHAL_ACTION_CONV_OUT: {
4597 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4599 mono_mb_emit_ldarg (mb, argnum);
4600 mono_mb_emit_ldloc (mb, conv_arg);
4601 mono_mb_emit_icon (mb, encoding);
4602 mono_mb_emit_icon (mb, t->attrs);
4603 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4608 g_assert_not_reached ();
4615 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4616 MonoMarshalSpec *spec,
4617 int conv_arg, MonoType **conv_arg_type,
4618 MarshalAction action)
4621 MonoMethodBuilder *mb = m->mb;
4622 MonoClass *klass, *date_time_class;
4625 klass = mono_class_from_mono_type (t);
4627 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
4630 case MARSHAL_ACTION_CONV_IN:
4631 if (klass == date_time_class) {
4632 /* Convert it to an OLE DATE type */
4633 static MonoMethod *to_oadate;
4636 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
4637 g_assert (to_oadate);
4639 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
4642 mono_mb_emit_ldarg (mb, argnum);
4643 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4646 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4648 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
4650 mono_mb_emit_ldarg_addr (mb, argnum);
4651 mono_mb_emit_managed_call (mb, to_oadate, NULL);
4652 mono_mb_emit_stloc (mb, conv_arg);
4656 mono_mb_patch_branch (mb, pos);
4660 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4661 klass->blittable || klass->enumtype)
4664 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4666 /* store the address of the source into local variable 0 */
4668 mono_mb_emit_ldarg (mb, argnum);
4670 mono_mb_emit_ldarg_addr (mb, argnum);
4672 mono_mb_emit_stloc (mb, 0);
4674 /* allocate space for the native struct and
4675 * store the address into local variable 1 (dest) */
4676 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4677 mono_mb_emit_byte (mb, CEE_PREFIX1);
4678 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4679 mono_mb_emit_stloc (mb, conv_arg);
4682 mono_mb_emit_ldloc (mb, 0);
4683 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4686 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4688 mono_mb_emit_ldloc (mb, conv_arg);
4689 mono_mb_emit_stloc (mb, 1);
4691 /* emit valuetype conversion code */
4692 emit_struct_conv (mb, klass, FALSE);
4696 mono_mb_patch_branch (mb, pos);
4699 case MARSHAL_ACTION_PUSH:
4700 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
4702 g_assert (!t->byref);
4704 /* Have to change the signature since the vtype is passed byref */
4705 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
4707 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4708 klass->blittable || klass->enumtype)
4709 mono_mb_emit_ldarg_addr (mb, argnum);
4711 mono_mb_emit_ldloc (mb, conv_arg);
4715 if (klass == date_time_class) {
4717 mono_mb_emit_ldloc_addr (mb, conv_arg);
4719 mono_mb_emit_ldloc (mb, conv_arg);
4723 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4724 klass->blittable || klass->enumtype) {
4725 mono_mb_emit_ldarg (mb, argnum);
4728 mono_mb_emit_ldloc (mb, conv_arg);
4730 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4731 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
4735 case MARSHAL_ACTION_CONV_OUT:
4736 if (klass == date_time_class) {
4737 /* Convert from an OLE DATE type */
4738 static MonoMethod *from_oadate;
4743 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
4745 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
4746 g_assert (from_oadate);
4748 mono_mb_emit_ldarg (mb, argnum);
4749 mono_mb_emit_ldloc (mb, conv_arg);
4750 mono_mb_emit_managed_call (mb, from_oadate, NULL);
4751 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
4756 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4757 klass->blittable || klass->enumtype)
4761 /* dst = argument */
4762 mono_mb_emit_ldarg (mb, argnum);
4763 mono_mb_emit_stloc (mb, 1);
4765 mono_mb_emit_ldloc (mb, 1);
4766 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4768 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
4769 /* src = tmp_locals [i] */
4770 mono_mb_emit_ldloc (mb, conv_arg);
4771 mono_mb_emit_stloc (mb, 0);
4773 /* emit valuetype conversion code */
4774 emit_struct_conv (mb, klass, TRUE);
4778 emit_struct_free (mb, klass, conv_arg);
4781 mono_mb_patch_branch (mb, pos);
4784 case MARSHAL_ACTION_CONV_RESULT:
4785 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4787 mono_mb_emit_stloc (mb, 3);
4791 /* load pointer to returned value type */
4792 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4793 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4794 /* store the address of the source into local variable 0 */
4795 mono_mb_emit_stloc (mb, 0);
4797 mono_mb_emit_ldloc_addr (mb, 3);
4798 mono_mb_emit_stloc (mb, 1);
4800 /* emit valuetype conversion code */
4801 emit_struct_conv (mb, klass, TRUE);
4804 case MARSHAL_ACTION_MANAGED_CONV_IN:
4805 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4806 klass->blittable || klass->enumtype) {
4811 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4813 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4817 mono_mb_emit_ldarg (mb, argnum);
4819 mono_mb_emit_ldarg_addr (mb, argnum);
4820 mono_mb_emit_stloc (mb, 0);
4823 mono_mb_emit_ldloc (mb, 0);
4824 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
4827 mono_mb_emit_ldloc_addr (mb, conv_arg);
4828 mono_mb_emit_stloc (mb, 1);
4830 /* emit valuetype conversion code */
4831 emit_struct_conv (mb, klass, TRUE);
4834 mono_mb_patch_branch (mb, pos);
4837 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4838 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4839 klass->blittable || klass->enumtype) {
4843 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
4846 /* Check for null */
4847 mono_mb_emit_ldarg (mb, argnum);
4848 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4851 mono_mb_emit_ldloc_addr (mb, conv_arg);
4852 mono_mb_emit_stloc (mb, 0);
4855 mono_mb_emit_ldarg (mb, argnum);
4856 mono_mb_emit_stloc (mb, 1);
4858 /* emit valuetype conversion code */
4859 emit_struct_conv (mb, klass, FALSE);
4861 mono_mb_patch_branch (mb, pos2);
4864 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4865 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4866 klass->blittable || klass->enumtype) {
4867 mono_mb_emit_stloc (mb, 3);
4872 /* load pointer to returned value type */
4873 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4874 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4876 /* store the address of the source into local variable 0 */
4877 mono_mb_emit_stloc (mb, 0);
4878 /* allocate space for the native struct and
4879 * store the address into dst_ptr */
4880 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4881 m->retobj_class = klass;
4882 g_assert (m->retobj_var);
4883 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4884 mono_mb_emit_byte (mb, CEE_CONV_I);
4885 mono_mb_emit_icall (mb, mono_marshal_alloc);
4886 mono_mb_emit_stloc (mb, 1);
4887 mono_mb_emit_ldloc (mb, 1);
4888 mono_mb_emit_stloc (mb, m->retobj_var);
4890 /* emit valuetype conversion code */
4891 emit_struct_conv (mb, klass, FALSE);
4895 g_assert_not_reached ();
4902 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4903 MonoMarshalSpec *spec,
4904 int conv_arg, MonoType **conv_arg_type,
4905 MarshalAction action)
4909 case MARSHAL_ACTION_CONV_IN:
4910 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4912 case MARSHAL_ACTION_MANAGED_CONV_IN:
4913 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4917 MonoMethodBuilder *mb = m->mb;
4918 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4919 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4923 case MARSHAL_ACTION_CONV_IN:
4924 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4925 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4928 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4931 mono_mb_emit_ldarg (mb, argnum);
4932 mono_mb_emit_byte (mb, CEE_LDIND_I);
4934 mono_mb_emit_ldarg (mb, argnum);
4938 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4939 mono_mb_emit_exception_marshal_directive (mb, msg);
4941 mono_mb_emit_icall (mb, conv_to_icall (conv));
4943 mono_mb_emit_stloc (mb, conv_arg);
4947 case MARSHAL_ACTION_CONV_OUT:
4948 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4950 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4951 mono_mb_emit_exception_marshal_directive (mb, msg);
4955 if (encoding == MONO_NATIVE_VBBYREFSTR) {
4956 static MonoMethod *m;
4959 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
4964 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
4965 mono_mb_emit_exception_marshal_directive (mb, msg);
4970 * Have to allocate a new string with the same length as the original, and
4971 * copy the contents of the buffer pointed to by CONV_ARG into it.
4973 g_assert (t->byref);
4974 mono_mb_emit_ldarg (mb, argnum);
4975 mono_mb_emit_ldloc (mb, conv_arg);
4976 mono_mb_emit_ldarg (mb, argnum);
4977 mono_mb_emit_byte (mb, CEE_LDIND_I);
4978 mono_mb_emit_managed_call (mb, m, NULL);
4979 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
4980 mono_mb_emit_byte (mb, CEE_STIND_REF);
4981 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
4982 mono_mb_emit_ldarg (mb, argnum);
4983 mono_mb_emit_ldloc (mb, conv_arg);
4984 mono_mb_emit_icall (mb, conv_to_icall (conv));
4985 mono_mb_emit_byte (mb, CEE_STIND_REF);
4990 mono_mb_emit_ldloc (mb, conv_arg);
4991 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
4992 mono_mb_emit_icall (mb, mono_free_bstr);
4994 mono_mb_emit_icall (mb, mono_marshal_free);
4998 case MARSHAL_ACTION_PUSH:
4999 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
5000 mono_mb_emit_ldloc_addr (mb, conv_arg);
5002 mono_mb_emit_ldloc (mb, conv_arg);
5005 case MARSHAL_ACTION_CONV_RESULT:
5006 mono_mb_emit_stloc (mb, 0);
5008 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5010 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5011 mono_mb_emit_exception_marshal_directive (mb, msg);
5015 mono_mb_emit_ldloc (mb, 0);
5016 mono_mb_emit_icall (mb, conv_to_icall (conv));
5017 mono_mb_emit_stloc (mb, 3);
5019 /* free the string */
5020 mono_mb_emit_ldloc (mb, 0);
5021 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5022 mono_mb_emit_icall (mb, mono_free_bstr);
5024 mono_mb_emit_icall (mb, mono_marshal_free);
5027 case MARSHAL_ACTION_MANAGED_CONV_IN:
5028 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5030 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5033 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5037 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5039 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5040 mono_mb_emit_exception_marshal_directive (mb, msg);
5044 mono_mb_emit_ldarg (mb, argnum);
5046 mono_mb_emit_byte (mb, CEE_LDIND_I);
5047 mono_mb_emit_icall (mb, conv_to_icall (conv));
5048 mono_mb_emit_stloc (mb, conv_arg);
5051 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5054 mono_mb_emit_ldarg (mb, argnum);
5055 mono_mb_emit_ldloc (mb, conv_arg);
5056 mono_mb_emit_icall (mb, conv_to_icall (conv));
5057 mono_mb_emit_byte (mb, CEE_STIND_I);
5062 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5063 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
5064 /* We need to make a copy so the caller is able to free it */
5065 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
5067 mono_mb_emit_icall (mb, conv_to_icall (conv));
5068 mono_mb_emit_stloc (mb, 3);
5072 g_assert_not_reached ();
5080 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
5081 MonoMarshalSpec *spec, int conv_arg,
5082 MonoType **conv_arg_type, MarshalAction action)
5085 if (action == MARSHAL_ACTION_CONV_IN)
5086 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5088 MonoMethodBuilder *mb = m->mb;
5091 case MARSHAL_ACTION_CONV_IN: {
5092 MonoType *intptr_type;
5093 int dar_release_slot, pos;
5095 intptr_type = &mono_defaults.int_class->byval_arg;
5096 conv_arg = mono_mb_add_local (mb, intptr_type);
5097 *conv_arg_type = intptr_type;
5099 if (!sh_dangerous_add_ref)
5100 init_safe_handle ();
5102 mono_mb_emit_ldarg (mb, argnum);
5103 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5104 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5106 mono_mb_patch_branch (mb, pos);
5109 * My tests in show that ref SafeHandles are not really
5110 * passed as ref objects. Instead a NULL is passed as the
5113 mono_mb_emit_icon (mb, 0);
5114 mono_mb_emit_stloc (mb, conv_arg);
5118 /* Create local to hold the ref parameter to DangerousAddRef */
5119 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5121 /* set release = false; */
5122 mono_mb_emit_icon (mb, 0);
5123 mono_mb_emit_stloc (mb, dar_release_slot);
5125 /* safehandle.DangerousAddRef (ref release) */
5126 mono_mb_emit_ldarg (mb, argnum);
5127 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
5128 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
5130 /* Pull the handle field from SafeHandle */
5131 mono_mb_emit_ldarg (mb, argnum);
5132 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5133 mono_mb_emit_byte (mb, CEE_LDIND_I);
5134 mono_mb_emit_stloc (mb, conv_arg);
5139 case MARSHAL_ACTION_PUSH:
5141 mono_mb_emit_ldloc_addr (mb, conv_arg);
5143 mono_mb_emit_ldloc (mb, conv_arg);
5146 case MARSHAL_ACTION_CONV_OUT: {
5147 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
5148 int dar_release_slot = conv_arg + 1;
5151 if (!sh_dangerous_release)
5152 init_safe_handle ();
5158 * My tests indicate that ref SafeHandles parameters are not actually
5159 * passed by ref, but instead a new Handle is created regardless of
5160 * whether a change happens in the unmanaged side.
5162 * Also, the Handle is created before calling into unmanaged code,
5163 * but we do not support that mechanism (getting to the original
5164 * handle) and it makes no difference where we create this
5166 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5168 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5171 /* refval = new SafeHandleDerived ()*/
5172 mono_mb_emit_ldarg (mb, argnum);
5173 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5174 mono_mb_emit_byte (mb, CEE_STIND_REF);
5176 /* refval.handle = returned_handle */
5177 mono_mb_emit_ldarg (mb, argnum);
5178 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5179 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5180 mono_mb_emit_ldloc (mb, conv_arg);
5181 mono_mb_emit_byte (mb, CEE_STIND_I);
5183 mono_mb_emit_ldloc (mb, dar_release_slot);
5184 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
5185 mono_mb_emit_ldarg (mb, argnum);
5186 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
5187 mono_mb_patch_branch (mb, label_next);
5192 case MARSHAL_ACTION_CONV_RESULT: {
5193 MonoMethod *ctor = NULL;
5194 int intptr_handle_slot;
5196 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
5197 mono_mb_emit_byte (mb, CEE_POP);
5198 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
5202 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
5204 mono_mb_emit_byte (mb, CEE_POP);
5205 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
5208 /* Store the IntPtr results into a local */
5209 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5210 mono_mb_emit_stloc (mb, intptr_handle_slot);
5212 /* Create return value */
5213 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
5214 mono_mb_emit_stloc (mb, 3);
5216 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
5217 mono_mb_emit_ldloc (mb, 3);
5218 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
5219 mono_mb_emit_ldloc (mb, intptr_handle_slot);
5220 mono_mb_emit_byte (mb, CEE_STIND_I);
5224 case MARSHAL_ACTION_MANAGED_CONV_IN:
5225 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5228 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5229 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5232 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5233 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5236 printf ("Unhandled case for MarshalAction: %d\n", action);
5244 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
5245 MonoMarshalSpec *spec, int conv_arg,
5246 MonoType **conv_arg_type, MarshalAction action)
5249 if (action == MARSHAL_ACTION_CONV_IN)
5250 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5252 MonoMethodBuilder *mb = m->mb;
5255 case MARSHAL_ACTION_CONV_IN: {
5256 MonoType *intptr_type;
5258 intptr_type = &mono_defaults.int_class->byval_arg;
5259 conv_arg = mono_mb_add_local (mb, intptr_type);
5260 *conv_arg_type = intptr_type;
5263 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5264 mono_mb_emit_exception_marshal_directive (mb, msg);
5267 mono_mb_emit_ldarg_addr (mb, argnum);
5268 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
5269 mono_mb_emit_byte (mb, CEE_ADD);
5270 mono_mb_emit_byte (mb, CEE_LDIND_I);
5271 mono_mb_emit_stloc (mb, conv_arg);
5275 case MARSHAL_ACTION_PUSH:
5276 mono_mb_emit_ldloc (mb, conv_arg);
5279 case MARSHAL_ACTION_CONV_OUT: {
5280 /* no resource release required */
5284 case MARSHAL_ACTION_CONV_RESULT: {
5285 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
5286 mono_mb_emit_exception_marshal_directive (mb, msg);
5290 case MARSHAL_ACTION_MANAGED_CONV_IN:
5291 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
5294 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5295 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
5298 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5299 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
5302 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
5310 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5311 MonoMarshalSpec *spec,
5312 int conv_arg, MonoType **conv_arg_type,
5313 MarshalAction action)
5316 if (action == MARSHAL_ACTION_CONV_IN)
5317 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5319 MonoMethodBuilder *mb = m->mb;
5320 MonoClass *klass = mono_class_from_mono_type (t);
5324 case MARSHAL_ACTION_CONV_IN:
5325 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5326 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5328 m->orig_conv_args [argnum] = 0;
5330 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
5331 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
5332 mono_mb_emit_exception_marshal_directive (mb, msg);
5336 if (klass->delegate) {
5338 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5339 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
5340 mono_mb_emit_exception_marshal_directive (mb, msg);
5342 mono_mb_emit_byte (mb, CEE_LDNULL);
5343 mono_mb_emit_stloc (mb, conv_arg);
5345 mono_mb_emit_ldarg (mb, argnum);
5346 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5347 mono_mb_emit_stloc (mb, conv_arg);
5349 } else if (klass == mono_defaults.stringbuilder_class) {
5350 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5351 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5355 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5356 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
5357 mono_mb_emit_exception_marshal_directive (mb, msg);
5363 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
5367 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5368 mono_mb_emit_exception_marshal_directive (mb, msg);
5372 mono_mb_emit_ldarg (mb, argnum);
5374 mono_mb_emit_byte (mb, CEE_LDIND_I);
5376 mono_mb_emit_icall (mb, conv_to_icall (conv));
5377 mono_mb_emit_stloc (mb, conv_arg);
5378 } else if (klass->blittable) {
5379 mono_mb_emit_byte (mb, CEE_LDNULL);
5380 mono_mb_emit_stloc (mb, conv_arg);
5382 mono_mb_emit_ldarg (mb, argnum);
5383 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5385 mono_mb_emit_ldarg (mb, argnum);
5386 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5387 mono_mb_emit_stloc (mb, conv_arg);
5389 mono_mb_patch_branch (mb, pos);
5392 mono_mb_emit_byte (mb, CEE_LDNULL);
5393 mono_mb_emit_stloc (mb, conv_arg);
5396 /* we dont need any conversions for out parameters */
5397 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5400 mono_mb_emit_ldarg (mb, argnum);
5401 mono_mb_emit_byte (mb, CEE_LDIND_I);
5404 mono_mb_emit_ldarg (mb, argnum);
5405 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5406 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5409 /* store the address of the source into local variable 0 */
5410 mono_mb_emit_stloc (mb, 0);
5411 mono_mb_emit_ldloc (mb, 0);
5412 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5414 /* allocate space for the native struct and store the address */
5415 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5416 mono_mb_emit_byte (mb, CEE_PREFIX1);
5417 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5418 mono_mb_emit_stloc (mb, conv_arg);
5421 /* Need to store the original buffer so we can free it later */
5422 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5423 mono_mb_emit_ldloc (mb, conv_arg);
5424 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5427 /* set the src_ptr */
5428 mono_mb_emit_ldloc (mb, 0);
5429 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5430 mono_mb_emit_stloc (mb, 0);
5433 mono_mb_emit_ldloc (mb, conv_arg);
5434 mono_mb_emit_stloc (mb, 1);
5436 /* emit valuetype conversion code */
5437 emit_struct_conv (mb, klass, FALSE);
5439 mono_mb_patch_branch (mb, pos);
5443 case MARSHAL_ACTION_CONV_OUT:
5444 if (klass == mono_defaults.stringbuilder_class) {
5446 MonoMarshalNative encoding;
5447 MonoMarshalConv conv;
5449 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5450 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5452 g_assert (encoding != -1);
5455 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
5459 mono_mb_emit_ldarg (mb, argnum);
5460 mono_mb_emit_ldloc (mb, conv_arg);
5463 case MONO_NATIVE_LPWSTR:
5464 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
5466 case MONO_NATIVE_LPSTR:
5467 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5470 g_assert_not_reached ();
5473 mono_mb_emit_byte (mb, CEE_STIND_REF);
5475 mono_mb_emit_ldarg (mb, argnum);
5476 mono_mb_emit_ldloc (mb, conv_arg);
5478 mono_mb_emit_icall (mb, conv_to_icall (conv));
5482 mono_mb_emit_ldloc (mb, conv_arg);
5483 mono_mb_emit_icall (mb, mono_marshal_free);
5488 if (klass->delegate) {
5490 mono_mb_emit_ldarg (mb, argnum);
5491 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5492 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5493 mono_mb_emit_ldloc (mb, conv_arg);
5494 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5495 mono_mb_emit_byte (mb, CEE_STIND_REF);
5500 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5501 /* allocate a new object */
5502 mono_mb_emit_ldarg (mb, argnum);
5503 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5504 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5505 mono_mb_emit_byte (mb, CEE_STIND_REF);
5508 /* dst = *argument */
5509 mono_mb_emit_ldarg (mb, argnum);
5512 mono_mb_emit_byte (mb, CEE_LDIND_I);
5514 mono_mb_emit_stloc (mb, 1);
5516 mono_mb_emit_ldloc (mb, 1);
5517 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5519 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5520 mono_mb_emit_ldloc (mb, 1);
5521 mono_mb_emit_icon (mb, sizeof (MonoObject));
5522 mono_mb_emit_byte (mb, CEE_ADD);
5523 mono_mb_emit_stloc (mb, 1);
5525 /* src = tmp_locals [i] */
5526 mono_mb_emit_ldloc (mb, conv_arg);
5527 mono_mb_emit_stloc (mb, 0);
5529 /* emit valuetype conversion code */
5530 emit_struct_conv (mb, klass, TRUE);
5532 /* Free the structure returned by the native code */
5533 emit_struct_free (mb, klass, conv_arg);
5535 if (m->orig_conv_args [argnum]) {
5537 * If the native function changed the pointer, then free
5538 * the original structure plus the new pointer.
5540 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5541 mono_mb_emit_ldloc (mb, conv_arg);
5542 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
5544 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5545 g_assert (m->orig_conv_args [argnum]);
5547 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5550 mono_mb_emit_ldloc (mb, conv_arg);
5551 mono_mb_emit_icall (mb, mono_marshal_free);
5553 mono_mb_patch_branch (mb, pos2);
5557 /* Free the original structure passed to native code */
5558 emit_struct_free (mb, klass, conv_arg);
5560 mono_mb_patch_branch (mb, pos);
5563 case MARSHAL_ACTION_PUSH:
5565 mono_mb_emit_ldloc_addr (mb, conv_arg);
5567 mono_mb_emit_ldloc (mb, conv_arg);
5570 case MARSHAL_ACTION_CONV_RESULT:
5571 if (klass->delegate) {
5572 g_assert (!t->byref);
5573 mono_mb_emit_stloc (mb, 0);
5574 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5575 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5576 mono_mb_emit_ldloc (mb, 0);
5577 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5578 mono_mb_emit_stloc (mb, 3);
5581 mono_mb_emit_stloc (mb, 0);
5583 /* Make a copy since emit_conv modifies local 0 */
5584 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5585 mono_mb_emit_ldloc (mb, 0);
5586 mono_mb_emit_stloc (mb, loc);
5588 mono_mb_emit_byte (mb, CEE_LDNULL);
5589 mono_mb_emit_stloc (mb, 3);
5591 mono_mb_emit_ldloc (mb, 0);
5592 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5594 /* allocate result object */
5596 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5597 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5598 mono_mb_emit_stloc (mb, 3);
5602 mono_mb_emit_ldloc (mb, 3);
5603 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5604 mono_mb_emit_stloc (mb, 1);
5606 /* emit conversion code */
5607 emit_struct_conv (mb, klass, TRUE);
5609 emit_struct_free (mb, klass, loc);
5611 /* Free the pointer allocated by unmanaged code */
5612 mono_mb_emit_ldloc (mb, loc);
5613 mono_mb_emit_icall (mb, mono_marshal_free);
5614 mono_mb_patch_branch (mb, pos);
5618 case MARSHAL_ACTION_MANAGED_CONV_IN:
5619 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5621 if (klass->delegate) {
5622 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5623 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5624 mono_mb_emit_ldarg (mb, argnum);
5626 mono_mb_emit_byte (mb, CEE_LDIND_I);
5627 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5628 mono_mb_emit_stloc (mb, conv_arg);
5632 if (klass == mono_defaults.stringbuilder_class) {
5633 MonoMarshalNative encoding;
5635 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5638 g_assert (encoding == MONO_NATIVE_LPSTR);
5640 g_assert (!t->byref);
5641 g_assert (encoding != -1);
5643 mono_mb_emit_ldarg (mb, argnum);
5644 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
5645 mono_mb_emit_stloc (mb, conv_arg);
5649 /* The class can not have an automatic layout */
5650 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5651 mono_mb_emit_auto_layout_exception (mb, klass);
5655 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5656 mono_mb_emit_byte (mb, CEE_LDNULL);
5657 mono_mb_emit_stloc (mb, conv_arg);
5662 mono_mb_emit_ldarg (mb, argnum);
5666 /* Check for NULL and raise an exception */
5667 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
5669 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5671 mono_mb_patch_branch (mb, pos2);
5672 mono_mb_emit_ldarg (mb, argnum);
5673 mono_mb_emit_byte (mb, CEE_LDIND_I);
5676 mono_mb_emit_stloc (mb, 0);
5678 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5679 mono_mb_emit_stloc (mb, conv_arg);
5681 mono_mb_emit_ldloc (mb, 0);
5682 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5684 /* Create and set dst */
5685 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5686 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
5687 mono_mb_emit_stloc (mb, conv_arg);
5688 mono_mb_emit_ldloc (mb, conv_arg);
5689 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5690 mono_mb_emit_stloc (mb, 1);
5692 /* emit valuetype conversion code */
5693 emit_struct_conv (mb, klass, TRUE);
5695 mono_mb_patch_branch (mb, pos);
5698 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5699 if (klass->delegate) {
5701 mono_mb_emit_ldarg (mb, argnum);
5702 mono_mb_emit_ldloc (mb, conv_arg);
5703 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5704 mono_mb_emit_byte (mb, CEE_STIND_I);
5710 /* Check for null */
5711 mono_mb_emit_ldloc (mb, conv_arg);
5712 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5713 mono_mb_emit_ldarg (mb, argnum);
5714 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5715 mono_mb_emit_byte (mb, CEE_STIND_REF);
5716 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5718 mono_mb_patch_branch (mb, pos);
5721 mono_mb_emit_ldloc (mb, conv_arg);
5722 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5723 mono_mb_emit_stloc (mb, 0);
5725 /* Allocate and set dest */
5726 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5727 mono_mb_emit_byte (mb, CEE_CONV_I);
5728 mono_mb_emit_icall (mb, mono_marshal_alloc);
5729 mono_mb_emit_stloc (mb, 1);
5731 /* Update argument pointer */
5732 mono_mb_emit_ldarg (mb, argnum);
5733 mono_mb_emit_ldloc (mb, 1);
5734 mono_mb_emit_byte (mb, CEE_STIND_I);
5736 /* emit valuetype conversion code */
5737 emit_struct_conv (mb, klass, FALSE);
5739 mono_mb_patch_branch (mb, pos2);
5740 } else if (klass == mono_defaults.stringbuilder_class) {
5741 // FIXME: What to do here ?
5743 /* byval [Out] marshalling */
5745 /* FIXME: Handle null */
5748 mono_mb_emit_ldloc (mb, conv_arg);
5749 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5750 mono_mb_emit_stloc (mb, 0);
5753 mono_mb_emit_ldarg (mb, argnum);
5754 mono_mb_emit_stloc (mb, 1);
5756 /* emit valuetype conversion code */
5757 emit_struct_conv (mb, klass, FALSE);
5761 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5762 if (klass->delegate) {
5763 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5764 mono_mb_emit_stloc (mb, 3);
5768 /* The class can not have an automatic layout */
5769 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5770 mono_mb_emit_auto_layout_exception (mb, klass);
5774 mono_mb_emit_stloc (mb, 0);
5775 /* Check for null */
5776 mono_mb_emit_ldloc (mb, 0);
5777 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5778 mono_mb_emit_byte (mb, CEE_LDNULL);
5779 mono_mb_emit_stloc (mb, 3);
5780 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5782 mono_mb_patch_branch (mb, pos);
5785 mono_mb_emit_ldloc (mb, 0);
5786 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5787 mono_mb_emit_stloc (mb, 0);
5789 /* Allocate and set dest */
5790 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5791 mono_mb_emit_byte (mb, CEE_CONV_I);
5792 mono_mb_emit_icall (mb, mono_marshal_alloc);
5793 mono_mb_emit_byte (mb, CEE_DUP);
5794 mono_mb_emit_stloc (mb, 1);
5795 mono_mb_emit_stloc (mb, 3);
5797 emit_struct_conv (mb, klass, FALSE);
5799 mono_mb_patch_branch (mb, pos2);
5803 g_assert_not_reached ();
5814 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
5815 MonoMarshalSpec *spec,
5816 int conv_arg, MonoType **conv_arg_type,
5817 MarshalAction action)
5819 MonoMethodBuilder *mb = m->mb;
5820 static MonoMethod *get_object_for_native_variant = NULL;
5821 static MonoMethod *get_native_variant_for_object = NULL;
5823 if (!get_object_for_native_variant)
5824 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
5825 g_assert (get_object_for_native_variant);
5827 if (!get_native_variant_for_object)
5828 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5829 g_assert (get_native_variant_for_object);
5832 case MARSHAL_ACTION_CONV_IN: {
5833 conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
5836 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
5838 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
5840 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
5843 mono_mb_emit_ldarg (mb, argnum);
5845 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5846 mono_mb_emit_ldloc_addr (mb, conv_arg);
5847 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5851 case MARSHAL_ACTION_CONV_OUT: {
5852 static MonoMethod *variant_clear = NULL;
5855 variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
5856 g_assert (variant_clear);
5859 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5860 mono_mb_emit_ldarg (mb, argnum);
5861 mono_mb_emit_ldloc_addr (mb, conv_arg);
5862 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5863 mono_mb_emit_byte (mb, CEE_STIND_REF);
5866 mono_mb_emit_ldloc_addr (mb, conv_arg);
5867 mono_mb_emit_managed_call (mb, variant_clear, NULL);
5871 case MARSHAL_ACTION_PUSH:
5873 mono_mb_emit_ldloc_addr (mb, conv_arg);
5875 mono_mb_emit_ldloc (mb, conv_arg);
5878 case MARSHAL_ACTION_CONV_RESULT: {
5879 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
5880 mono_mb_emit_exception_marshal_directive (mb, msg);
5884 case MARSHAL_ACTION_MANAGED_CONV_IN: {
5885 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5888 *conv_arg_type = &mono_class_get_variant_class ()->this_arg;
5890 *conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
5892 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
5896 mono_mb_emit_ldarg (mb, argnum);
5898 mono_mb_emit_ldarg_addr (mb, argnum);
5899 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5900 mono_mb_emit_stloc (mb, conv_arg);
5904 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
5905 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
5906 mono_mb_emit_ldloc (mb, conv_arg);
5907 mono_mb_emit_ldarg (mb, argnum);
5908 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5913 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
5914 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
5915 mono_mb_emit_exception_marshal_directive (mb, msg);
5920 g_assert_not_reached ();
5926 #endif /* DISABLE_COM */
5927 #endif /* DISABLE_JIT */
5930 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
5932 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
5933 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
5935 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
5937 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
5949 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5950 MonoMarshalSpec *spec,
5951 int conv_arg, MonoType **conv_arg_type,
5952 MarshalAction action)
5956 case MARSHAL_ACTION_CONV_IN:
5957 *conv_arg_type = &mono_defaults.object_class->byval_arg;
5959 case MARSHAL_ACTION_MANAGED_CONV_IN:
5960 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5964 MonoMethodBuilder *mb = m->mb;
5965 MonoClass *klass = mono_class_from_mono_type (t);
5966 gboolean need_convert, need_free;
5967 MonoMarshalNative encoding;
5969 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5972 case MARSHAL_ACTION_CONV_IN:
5973 *conv_arg_type = &mono_defaults.object_class->byval_arg;
5974 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5976 if (klass->element_class->blittable) {
5977 mono_mb_emit_ldarg (mb, argnum);
5979 mono_mb_emit_byte (mb, CEE_LDIND_I);
5980 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5981 mono_mb_emit_stloc (mb, conv_arg);
5984 guint32 label1, label2, label3;
5985 int index_var, src_var, dest_ptr, esize;
5986 MonoMarshalConv conv;
5987 gboolean is_string = FALSE;
5989 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5991 eklass = klass->element_class;
5993 if (eklass == mono_defaults.string_class) {
5995 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5997 else if (eklass == mono_defaults.stringbuilder_class) {
5999 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6004 if (is_string && conv == -1) {
6005 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6006 mono_mb_emit_exception_marshal_directive (mb, msg);
6010 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6011 mono_mb_emit_ldarg (mb, argnum);
6013 mono_mb_emit_byte (mb, CEE_LDIND_I);
6014 mono_mb_emit_stloc (mb, src_var);
6017 mono_mb_emit_ldloc (mb, src_var);
6018 mono_mb_emit_stloc (mb, conv_arg);
6019 mono_mb_emit_ldloc (mb, src_var);
6020 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6023 esize = sizeof (gpointer);
6024 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
6025 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6027 esize = mono_class_native_size (eklass, NULL);
6029 /* allocate space for the native struct and store the address */
6030 mono_mb_emit_icon (mb, esize);
6031 mono_mb_emit_ldloc (mb, src_var);
6032 mono_mb_emit_byte (mb, CEE_LDLEN);
6034 if (eklass == mono_defaults.string_class) {
6035 /* Make the array bigger for the terminating null */
6036 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6037 mono_mb_emit_byte (mb, CEE_ADD);
6039 mono_mb_emit_byte (mb, CEE_MUL);
6040 mono_mb_emit_byte (mb, CEE_PREFIX1);
6041 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6042 mono_mb_emit_stloc (mb, conv_arg);
6044 mono_mb_emit_ldloc (mb, conv_arg);
6045 mono_mb_emit_stloc (mb, dest_ptr);
6047 /* Emit marshalling loop */
6048 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6049 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6050 mono_mb_emit_stloc (mb, index_var);
6051 label2 = mono_mb_get_label (mb);
6052 mono_mb_emit_ldloc (mb, index_var);
6053 mono_mb_emit_ldloc (mb, src_var);
6054 mono_mb_emit_byte (mb, CEE_LDLEN);
6055 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6057 /* Emit marshalling code */
6060 mono_mb_emit_ldloc (mb, dest_ptr);
6061 mono_mb_emit_ldloc (mb, src_var);
6062 mono_mb_emit_ldloc (mb, index_var);
6063 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6064 mono_mb_emit_icall (mb, conv_to_icall (conv));
6065 mono_mb_emit_byte (mb, CEE_STIND_I);
6067 /* set the src_ptr */
6068 mono_mb_emit_ldloc (mb, src_var);
6069 mono_mb_emit_ldloc (mb, index_var);
6070 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6071 mono_mb_emit_stloc (mb, 0);
6074 mono_mb_emit_ldloc (mb, dest_ptr);
6075 mono_mb_emit_stloc (mb, 1);
6077 /* emit valuetype conversion code */
6078 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
6081 mono_mb_emit_add_to_local (mb, index_var, 1);
6082 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6084 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6086 mono_mb_patch_branch (mb, label3);
6088 if (eklass == mono_defaults.string_class) {
6089 /* Null terminate */
6090 mono_mb_emit_ldloc (mb, dest_ptr);
6091 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6092 mono_mb_emit_byte (mb, CEE_STIND_REF);
6095 mono_mb_patch_branch (mb, label1);
6100 case MARSHAL_ACTION_CONV_OUT:
6101 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6102 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);
6103 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6106 if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) {
6107 int param_num = spec->data.array_data.param_num;
6108 MonoType *param_type;
6110 param_type = m->sig->params [param_num];
6112 if (param_type->byref && param_type->type != MONO_TYPE_I4) {
6113 char *msg = g_strdup ("Not implemented.");
6114 mono_mb_emit_exception_marshal_directive (mb, msg);
6118 mono_mb_emit_ldarg (mb, argnum);
6120 /* Create the managed array */
6121 mono_mb_emit_ldarg (mb, param_num);
6122 if (m->sig->params [param_num]->byref)
6123 // FIXME: Support other types
6124 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6125 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6126 mono_mb_emit_op (mb, CEE_NEWARR, klass->element_class);
6127 /* Store into argument */
6128 mono_mb_emit_byte (mb, CEE_STIND_I);
6131 if (need_convert || need_free) {
6132 /* FIXME: Optimize blittable case */
6134 guint32 label1, label2, label3;
6135 int index_var, src_ptr, loc, esize;
6137 eklass = klass->element_class;
6138 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6139 esize = sizeof (gpointer);
6140 else if (eklass == mono_defaults.char_class)
6141 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6143 esize = mono_class_native_size (eklass, NULL);
6144 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6145 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6148 mono_mb_emit_ldarg (mb, argnum);
6150 mono_mb_emit_byte (mb, CEE_LDIND_I);
6151 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6153 mono_mb_emit_ldloc (mb, conv_arg);
6154 mono_mb_emit_stloc (mb, src_ptr);
6156 /* Emit marshalling loop */
6157 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6158 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6159 mono_mb_emit_stloc (mb, index_var);
6160 label2 = mono_mb_get_label (mb);
6161 mono_mb_emit_ldloc (mb, index_var);
6162 mono_mb_emit_ldarg (mb, argnum);
6164 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6165 mono_mb_emit_byte (mb, CEE_LDLEN);
6166 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6168 /* Emit marshalling code */
6170 if (eklass == mono_defaults.stringbuilder_class) {
6171 gboolean need_free2;
6172 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6174 g_assert (conv != -1);
6177 mono_mb_emit_ldarg (mb, argnum);
6179 mono_mb_emit_byte (mb, CEE_LDIND_I);
6180 mono_mb_emit_ldloc (mb, index_var);
6181 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6184 mono_mb_emit_ldloc (mb, src_ptr);
6185 mono_mb_emit_byte (mb, CEE_LDIND_I);
6187 mono_mb_emit_icall (mb, conv_to_icall (conv));
6191 mono_mb_emit_ldloc (mb, src_ptr);
6192 mono_mb_emit_byte (mb, CEE_LDIND_I);
6194 mono_mb_emit_icall (mb, mono_marshal_free);
6197 else if (eklass == mono_defaults.string_class) {
6200 mono_mb_emit_ldloc (mb, src_ptr);
6201 mono_mb_emit_byte (mb, CEE_LDIND_I);
6203 mono_mb_emit_icall (mb, mono_marshal_free);
6208 /* set the src_ptr */
6209 mono_mb_emit_ldloc (mb, src_ptr);
6210 mono_mb_emit_stloc (mb, 0);
6213 mono_mb_emit_ldarg (mb, argnum);
6215 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6216 mono_mb_emit_ldloc (mb, index_var);
6217 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6218 mono_mb_emit_stloc (mb, 1);
6220 /* emit valuetype conversion code */
6221 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
6225 mono_mb_emit_ldloc (mb, src_ptr);
6226 mono_mb_emit_stloc (mb, loc);
6227 mono_mb_emit_ldloc (mb, loc);
6229 emit_struct_free (mb, eklass, loc);
6233 mono_mb_emit_add_to_local (mb, index_var, 1);
6234 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6236 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6238 mono_mb_patch_branch (mb, label1);
6239 mono_mb_patch_branch (mb, label3);
6242 if (klass->element_class->blittable) {
6243 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
6245 mono_mb_emit_ldarg (mb, argnum);
6247 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6248 mono_mb_emit_ldloc (mb, conv_arg);
6249 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
6254 case MARSHAL_ACTION_PUSH:
6256 mono_mb_emit_ldloc_addr (mb, conv_arg);
6258 mono_mb_emit_ldloc (mb, conv_arg);
6261 case MARSHAL_ACTION_CONV_RESULT:
6262 /* fixme: we need conversions here */
6263 mono_mb_emit_stloc (mb, 3);
6266 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6268 guint32 label1, label2, label3;
6269 int index_var, src_ptr, esize, param_num, num_elem;
6270 MonoMarshalConv conv;
6271 gboolean is_string = FALSE;
6273 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6274 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6277 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6278 mono_mb_emit_exception_marshal_directive (mb, msg);
6282 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
6283 mono_mb_emit_exception_marshal_directive (mb, msg);
6286 if (spec->native != MONO_NATIVE_LPARRAY) {
6287 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6288 mono_mb_emit_exception_marshal_directive (mb, msg);
6292 /* FIXME: t is from the method which is wrapped, not the delegate type */
6293 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6295 param_num = spec->data.array_data.param_num;
6296 num_elem = spec->data.array_data.num_elem;
6297 if (spec->data.array_data.elem_mult == 0)
6298 /* param_num is not specified */
6301 if (param_num == -1) {
6302 if (num_elem <= 0) {
6303 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6304 mono_mb_emit_exception_marshal_directive (mb, msg);
6309 /* FIXME: Optimize blittable case */
6311 eklass = klass->element_class;
6312 if (eklass == mono_defaults.string_class) {
6314 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6316 else if (eklass == mono_defaults.stringbuilder_class) {
6318 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6323 mono_marshal_load_type_info (eklass);
6326 esize = sizeof (gpointer);
6328 esize = mono_class_native_size (eklass, NULL);
6329 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6331 mono_mb_emit_byte (mb, CEE_LDNULL);
6332 mono_mb_emit_stloc (mb, conv_arg);
6334 /* Check param index */
6335 if (param_num != -1) {
6336 if (param_num >= m->sig->param_count) {
6337 char *msg = g_strdup ("Array size control parameter index is out of range.");
6338 mono_mb_emit_exception_marshal_directive (mb, msg);
6341 switch (m->sig->params [param_num]->type) {
6354 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6355 mono_mb_emit_exception_marshal_directive (mb, msg);
6362 mono_mb_emit_ldarg (mb, argnum);
6363 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6365 mono_mb_emit_ldarg (mb, argnum);
6366 mono_mb_emit_stloc (mb, src_ptr);
6368 /* Create managed array */
6370 * The LPArray marshalling spec says that sometimes param_num starts
6371 * from 1, sometimes it starts from 0. But MS seems to allways start
6375 if (param_num == -1) {
6376 mono_mb_emit_icon (mb, num_elem);
6378 mono_mb_emit_ldarg (mb, param_num);
6380 mono_mb_emit_icon (mb, num_elem);
6381 mono_mb_emit_byte (mb, CEE_ADD);
6383 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
6386 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6387 mono_mb_emit_stloc (mb, conv_arg);
6389 if (eklass->blittable) {
6390 mono_mb_emit_ldloc (mb, conv_arg);
6391 mono_mb_emit_byte (mb, CEE_CONV_I);
6392 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6393 mono_mb_emit_byte (mb, CEE_ADD);
6394 mono_mb_emit_ldarg (mb, argnum);
6395 mono_mb_emit_ldloc (mb, conv_arg);
6396 mono_mb_emit_byte (mb, CEE_LDLEN);
6397 mono_mb_emit_icon (mb, esize);
6398 mono_mb_emit_byte (mb, CEE_MUL);
6399 mono_mb_emit_byte (mb, CEE_PREFIX1);
6400 mono_mb_emit_byte (mb, CEE_CPBLK);
6404 /* Emit marshalling loop */
6405 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6406 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6407 mono_mb_emit_stloc (mb, index_var);
6408 label2 = mono_mb_get_label (mb);
6409 mono_mb_emit_ldloc (mb, index_var);
6410 mono_mb_emit_ldloc (mb, conv_arg);
6411 mono_mb_emit_byte (mb, CEE_LDLEN);
6412 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6414 /* Emit marshalling code */
6416 g_assert (conv != -1);
6418 mono_mb_emit_ldloc (mb, conv_arg);
6419 mono_mb_emit_ldloc (mb, index_var);
6421 mono_mb_emit_ldloc (mb, src_ptr);
6422 mono_mb_emit_byte (mb, CEE_LDIND_I);
6424 mono_mb_emit_icall (mb, conv_to_icall (conv));
6425 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6428 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6429 mono_mb_emit_exception_marshal_directive (mb, msg);
6433 mono_mb_emit_add_to_local (mb, index_var, 1);
6434 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6436 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6438 mono_mb_patch_branch (mb, label1);
6439 mono_mb_patch_branch (mb, label3);
6443 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6445 guint32 label1, label2, label3;
6446 int index_var, dest_ptr, esize, param_num, num_elem;
6447 MonoMarshalConv conv;
6448 gboolean is_string = FALSE;
6451 /* Already handled in CONV_IN */
6454 /* These are already checked in CONV_IN */
6455 g_assert (!t->byref);
6456 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6457 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6459 param_num = spec->data.array_data.param_num;
6460 num_elem = spec->data.array_data.num_elem;
6462 if (spec->data.array_data.elem_mult == 0)
6463 /* param_num is not specified */
6466 if (param_num == -1) {
6467 if (num_elem <= 0) {
6468 g_assert_not_reached ();
6472 /* FIXME: Optimize blittable case */
6474 eklass = klass->element_class;
6475 if (eklass == mono_defaults.string_class) {
6477 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6479 else if (eklass == mono_defaults.stringbuilder_class) {
6481 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6486 mono_marshal_load_type_info (eklass);
6489 esize = sizeof (gpointer);
6491 esize = mono_class_native_size (eklass, NULL);
6493 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6496 mono_mb_emit_ldloc (mb, conv_arg);
6497 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6499 mono_mb_emit_ldarg (mb, argnum);
6500 mono_mb_emit_stloc (mb, dest_ptr);
6502 if (eklass->blittable) {
6504 mono_mb_emit_ldarg (mb, argnum);
6506 mono_mb_emit_ldloc (mb, conv_arg);
6507 mono_mb_emit_byte (mb, CEE_CONV_I);
6508 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
6509 mono_mb_emit_byte (mb, CEE_ADD);
6511 mono_mb_emit_ldloc (mb, conv_arg);
6512 mono_mb_emit_byte (mb, CEE_LDLEN);
6513 mono_mb_emit_icon (mb, esize);
6514 mono_mb_emit_byte (mb, CEE_MUL);
6515 mono_mb_emit_byte (mb, CEE_PREFIX1);
6516 mono_mb_emit_byte (mb, CEE_CPBLK);
6520 /* Emit marshalling loop */
6521 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6522 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6523 mono_mb_emit_stloc (mb, index_var);
6524 label2 = mono_mb_get_label (mb);
6525 mono_mb_emit_ldloc (mb, index_var);
6526 mono_mb_emit_ldloc (mb, conv_arg);
6527 mono_mb_emit_byte (mb, CEE_LDLEN);
6528 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6530 /* Emit marshalling code */
6532 g_assert (conv != -1);
6535 mono_mb_emit_ldloc (mb, dest_ptr);
6538 mono_mb_emit_ldloc (mb, conv_arg);
6539 mono_mb_emit_ldloc (mb, index_var);
6541 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6543 mono_mb_emit_icall (mb, conv_to_icall (conv));
6544 mono_mb_emit_byte (mb, CEE_STIND_I);
6547 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6548 mono_mb_emit_exception_marshal_directive (mb, msg);
6552 mono_mb_emit_add_to_local (mb, index_var, 1);
6553 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6555 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6557 mono_mb_patch_branch (mb, label1);
6558 mono_mb_patch_branch (mb, label3);
6562 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6564 guint32 label1, label2, label3;
6565 int index_var, src, dest, esize;
6566 MonoMarshalConv conv = -1;
6567 gboolean is_string = FALSE;
6569 g_assert (!t->byref);
6571 eklass = klass->element_class;
6573 mono_marshal_load_type_info (eklass);
6575 if (eklass == mono_defaults.string_class) {
6577 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6580 g_assert_not_reached ();
6584 esize = sizeof (gpointer);
6585 else if (eklass == mono_defaults.char_class)
6586 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
6588 esize = mono_class_native_size (eklass, NULL);
6590 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6591 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6593 mono_mb_emit_stloc (mb, src);
6594 mono_mb_emit_ldloc (mb, src);
6595 mono_mb_emit_stloc (mb, 3);
6597 /* Check for null */
6598 mono_mb_emit_ldloc (mb, src);
6599 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6601 /* Allocate native array */
6602 mono_mb_emit_icon (mb, esize);
6603 mono_mb_emit_ldloc (mb, src);
6604 mono_mb_emit_byte (mb, CEE_LDLEN);
6606 if (eklass == mono_defaults.string_class) {
6607 /* Make the array bigger for the terminating null */
6608 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6609 mono_mb_emit_byte (mb, CEE_ADD);
6611 mono_mb_emit_byte (mb, CEE_MUL);
6612 mono_mb_emit_icall (mb, mono_marshal_alloc);
6613 mono_mb_emit_stloc (mb, dest);
6614 mono_mb_emit_ldloc (mb, dest);
6615 mono_mb_emit_stloc (mb, 3);
6617 /* Emit marshalling loop */
6618 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6619 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6620 mono_mb_emit_stloc (mb, index_var);
6621 label2 = mono_mb_get_label (mb);
6622 mono_mb_emit_ldloc (mb, index_var);
6623 mono_mb_emit_ldloc (mb, src);
6624 mono_mb_emit_byte (mb, CEE_LDLEN);
6625 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6627 /* Emit marshalling code */
6629 g_assert (conv != -1);
6632 mono_mb_emit_ldloc (mb, dest);
6635 mono_mb_emit_ldloc (mb, src);
6636 mono_mb_emit_ldloc (mb, index_var);
6638 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6640 mono_mb_emit_icall (mb, conv_to_icall (conv));
6641 mono_mb_emit_byte (mb, CEE_STIND_I);
6644 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6645 mono_mb_emit_exception_marshal_directive (mb, msg);
6649 mono_mb_emit_add_to_local (mb, index_var, 1);
6650 mono_mb_emit_add_to_local (mb, dest, esize);
6652 mono_mb_emit_branch_label (mb, CEE_BR, label2);
6654 mono_mb_patch_branch (mb, label3);
6655 mono_mb_patch_branch (mb, label1);
6659 g_assert_not_reached ();
6666 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
6669 return &mono_defaults.int32_class->byval_arg;
6671 switch (spec->native) {
6672 case MONO_NATIVE_I1:
6673 case MONO_NATIVE_U1:
6674 return &mono_defaults.byte_class->byval_arg;
6675 case MONO_NATIVE_VARIANTBOOL:
6676 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
6677 return &mono_defaults.int16_class->byval_arg;
6678 case MONO_NATIVE_BOOLEAN:
6679 return &mono_defaults.int32_class->byval_arg;
6681 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6682 return &mono_defaults.int32_class->byval_arg;
6688 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
6690 MonoClass* conv_arg_class = mono_defaults.int32_class;
6692 switch (spec->native) {
6693 case MONO_NATIVE_I1:
6694 case MONO_NATIVE_U1:
6695 conv_arg_class = mono_defaults.byte_class;
6696 if (ldop) *ldop = CEE_LDIND_I1;
6698 case MONO_NATIVE_VARIANTBOOL:
6699 conv_arg_class = mono_defaults.int16_class;
6700 if (ldop) *ldop = CEE_LDIND_I2;
6702 case MONO_NATIVE_BOOLEAN:
6705 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6708 return conv_arg_class;
6712 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
6713 MonoMarshalSpec *spec,
6714 int conv_arg, MonoType **conv_arg_type,
6715 MarshalAction action)
6719 case MARSHAL_ACTION_CONV_IN:
6721 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6723 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
6726 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6727 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
6729 *conv_arg_type = &conv_arg_class->this_arg;
6731 *conv_arg_type = &conv_arg_class->byval_arg;
6737 MonoMethodBuilder *mb = m->mb;
6740 case MARSHAL_ACTION_CONV_IN: {
6741 MonoType *local_type;
6743 guint8 ldc_op = CEE_LDC_I4_1;
6745 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
6747 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6749 *conv_arg_type = local_type;
6750 conv_arg = mono_mb_add_local (mb, local_type);
6752 mono_mb_emit_ldarg (mb, argnum);
6754 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6755 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6756 mono_mb_emit_byte (mb, ldc_op);
6757 mono_mb_emit_stloc (mb, conv_arg);
6758 mono_mb_patch_branch (mb, label_false);
6763 case MARSHAL_ACTION_CONV_OUT:
6765 int label_false, label_end;
6769 mono_mb_emit_ldarg (mb, argnum);
6770 mono_mb_emit_ldloc (mb, conv_arg);
6772 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6773 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6775 label_end = mono_mb_emit_branch (mb, CEE_BR);
6776 mono_mb_patch_branch (mb, label_false);
6777 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6778 mono_mb_patch_branch (mb, label_end);
6780 mono_mb_emit_byte (mb, CEE_STIND_I1);
6784 case MARSHAL_ACTION_PUSH:
6786 mono_mb_emit_ldloc_addr (mb, conv_arg);
6788 mono_mb_emit_ldloc (mb, conv_arg);
6790 mono_mb_emit_ldarg (mb, argnum);
6793 case MARSHAL_ACTION_CONV_RESULT:
6794 /* maybe we need to make sure that it fits within 8 bits */
6795 mono_mb_emit_stloc (mb, 3);
6798 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6799 MonoClass* conv_arg_class = mono_defaults.int32_class;
6800 guint8 ldop = CEE_LDIND_I4;
6801 int label_null, label_false;
6803 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
6804 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6807 *conv_arg_type = &conv_arg_class->this_arg;
6809 *conv_arg_type = &conv_arg_class->byval_arg;
6812 mono_mb_emit_ldarg (mb, argnum);
6816 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
6817 mono_mb_emit_ldarg (mb, argnum);
6818 mono_mb_emit_byte (mb, ldop);
6822 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6823 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6824 mono_mb_emit_stloc (mb, conv_arg);
6825 mono_mb_patch_branch (mb, label_false);
6828 mono_mb_patch_branch (mb, label_null);
6832 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6833 guint8 stop = CEE_STIND_I4;
6834 guint8 ldc_op = CEE_LDC_I4_1;
6835 int label_null,label_false, label_end;;
6840 switch (spec->native) {
6841 case MONO_NATIVE_I1:
6842 case MONO_NATIVE_U1:
6843 stop = CEE_STIND_I1;
6845 case MONO_NATIVE_VARIANTBOOL:
6846 stop = CEE_STIND_I2;
6847 ldc_op = CEE_LDC_I4_M1;
6855 mono_mb_emit_ldarg (mb, argnum);
6856 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
6858 mono_mb_emit_ldarg (mb, argnum);
6859 mono_mb_emit_ldloc (mb, conv_arg);
6861 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
6862 mono_mb_emit_byte (mb, ldc_op);
6863 label_end = mono_mb_emit_branch (mb, CEE_BR);
6865 mono_mb_patch_branch (mb, label_false);
6866 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6867 mono_mb_patch_branch (mb, label_end);
6869 mono_mb_emit_byte (mb, stop);
6870 mono_mb_patch_branch (mb, label_null);
6875 g_assert_not_reached ();
6882 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6883 MonoMarshalSpec *spec, int conv_arg,
6884 MonoType **conv_arg_type, MarshalAction action)
6887 MonoMethodBuilder *mb = m->mb;
6890 case MARSHAL_ACTION_CONV_IN:
6891 /* MS seems to allow this in some cases, ie. bxc #158 */
6893 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
6894 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6895 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6900 case MARSHAL_ACTION_PUSH:
6901 mono_mb_emit_ldarg (mb, argnum);
6904 case MARSHAL_ACTION_CONV_RESULT:
6905 /* no conversions necessary */
6906 mono_mb_emit_stloc (mb, 3);
6917 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
6918 MonoMarshalSpec *spec, int conv_arg,
6919 MonoType **conv_arg_type, MarshalAction action)
6922 MonoMethodBuilder *mb = m->mb;
6925 case MARSHAL_ACTION_PUSH:
6926 /* fixme: dont know how to marshal that. We cant simply
6927 * convert it to a one byte UTF8 character, because an
6928 * unicode character may need more that one byte in UTF8 */
6929 mono_mb_emit_ldarg (mb, argnum);
6932 case MARSHAL_ACTION_CONV_RESULT:
6933 /* fixme: we need conversions here */
6934 mono_mb_emit_stloc (mb, 3);
6945 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
6946 MonoMarshalSpec *spec, int conv_arg,
6947 MonoType **conv_arg_type, MarshalAction action)
6950 MonoMethodBuilder *mb = m->mb;
6953 case MARSHAL_ACTION_PUSH:
6954 mono_mb_emit_ldarg (mb, argnum);
6957 case MARSHAL_ACTION_CONV_RESULT:
6958 /* no conversions necessary */
6959 mono_mb_emit_stloc (mb, 3);
6970 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
6971 MonoMarshalSpec *spec, int conv_arg,
6972 MonoType **conv_arg_type, MarshalAction action)
6974 /* Ensure that we have marshalling info for this param */
6975 mono_marshal_load_type_info (mono_class_from_mono_type (t));
6977 if (spec && spec->native == MONO_NATIVE_CUSTOM)
6978 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6980 if (spec && spec->native == MONO_NATIVE_ASANY)
6981 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6984 case MONO_TYPE_VALUETYPE:
6985 if (t->data.klass == mono_defaults.handleref_class)
6986 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6988 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6989 case MONO_TYPE_STRING:
6990 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6991 case MONO_TYPE_CLASS:
6992 case MONO_TYPE_OBJECT:
6994 if (spec && spec->native == MONO_NATIVE_STRUCT)
6995 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6997 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6998 spec->native == MONO_NATIVE_IDISPATCH ||
6999 spec->native == MONO_NATIVE_INTERFACE))
7000 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7001 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
7002 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
7003 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
7004 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7007 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
7008 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
7009 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7011 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7012 case MONO_TYPE_ARRAY:
7013 case MONO_TYPE_SZARRAY:
7014 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7015 case MONO_TYPE_BOOLEAN:
7016 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7018 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7019 case MONO_TYPE_CHAR:
7020 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7033 case MONO_TYPE_FNPTR:
7034 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7035 case MONO_TYPE_GENERICINST:
7036 if (mono_type_generic_inst_is_valuetype (t))
7037 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7039 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7047 * mono_marshal_emit_native_wrapper:
7048 * @image: the image to use for looking up custom marshallers
7049 * @sig: The signature of the native function
7050 * @piinfo: Marshalling information
7051 * @mspecs: Marshalling information
7052 * @aot: whenever the created method will be compiled by the AOT compiler
7053 * @method: if non-NULL, the pinvoke method to call
7054 * @check_exceptions: Whenever to check for pending exceptions after the native call
7055 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
7057 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7060 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)
7062 EmitMarshalContext m;
7063 MonoMethodSignature *csig;
7065 int i, argnum, *tmp_locals;
7066 int type, param_shift = 0;
7067 static MonoMethodSignature *get_last_error_sig = NULL;
7068 int coop_gc_stack_dummy, coop_gc_var;
7070 memset (&m, 0, sizeof (m));
7075 /* we copy the signature, so that we can set pinvoke to 0 */
7077 /* The function address is passed as the first argument */
7078 g_assert (!sig->hasthis);
7081 csig = mono_metadata_signature_dup_full (mb->method->klass->image, sig);
7089 /* we allocate local for use with emit_struct_conv() */
7090 /* allocate local 0 (pointer) src_ptr */
7091 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7092 /* allocate local 1 (pointer) dst_ptr */
7093 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7094 /* allocate local 2 (boolean) delete_old */
7095 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7097 /* delete_old = FALSE */
7098 mono_mb_emit_icon (mb, 0);
7099 mono_mb_emit_stloc (mb, 2);
7101 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7102 /* allocate local 3 to store the return value */
7103 mono_mb_add_local (mb, sig->ret);
7106 if (mono_threads_is_coop_enabled ()) {
7107 /* local 4, dummy local used to get a stack address for suspend funcs */
7108 coop_gc_stack_dummy = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7109 /* local 5, the local to be used when calling the suspend funcs */
7110 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7113 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7114 /* Return type custom marshaling */
7116 * Since we can't determine the return type of the unmanaged function,
7117 * we assume it returns a pointer, and pass that pointer to
7118 * MarshalNativeToManaged.
7120 csig->ret = &mono_defaults.int_class->byval_arg;
7123 /* we first do all conversions */
7124 tmp_locals = alloca (sizeof (int) * sig->param_count);
7125 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7127 for (i = 0; i < sig->param_count; i ++) {
7128 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7131 /* push all arguments */
7134 mono_mb_emit_byte (mb, CEE_LDARG_0);
7136 for (i = 0; i < sig->param_count; i++) {
7137 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7140 if (mono_threads_is_coop_enabled ()) {
7141 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7142 mono_mb_emit_icall (mb, mono_threads_prepare_blocking);
7143 mono_mb_emit_stloc (mb, coop_gc_var);
7146 /* call the native method */
7148 mono_mb_emit_byte (mb, CEE_LDARG_0);
7149 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
7150 mono_mb_emit_byte (mb, CEE_LDIND_I);
7151 mono_mb_emit_calli (mb, csig);
7152 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7154 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7156 g_assert_not_reached ();
7161 /* Reuse the ICALL_ADDR opcode for pinvokes too */
7162 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7163 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7164 mono_mb_emit_calli (mb, csig);
7166 mono_mb_emit_native_call (mb, csig, func);
7170 /* Set LastError if needed */
7171 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7172 if (!get_last_error_sig) {
7173 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7174 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7175 get_last_error_sig->pinvoke = 1;
7180 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7181 * clobber its value.
7183 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7184 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7186 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7190 if (mono_threads_is_coop_enabled ()) {
7191 mono_mb_emit_ldloc (mb, coop_gc_var);
7192 mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
7193 mono_mb_emit_icall (mb, mono_threads_finish_blocking);
7196 /* convert the result */
7197 if (!sig->ret->byref) {
7198 MonoMarshalSpec *spec = mspecs [0];
7199 type = sig->ret->type;
7201 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7202 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7207 case MONO_TYPE_VOID:
7209 case MONO_TYPE_VALUETYPE:
7210 klass = sig->ret->data.klass;
7211 if (klass->enumtype) {
7212 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
7215 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7229 case MONO_TYPE_FNPTR:
7230 case MONO_TYPE_STRING:
7231 case MONO_TYPE_CLASS:
7232 case MONO_TYPE_OBJECT:
7233 case MONO_TYPE_BOOLEAN:
7234 case MONO_TYPE_ARRAY:
7235 case MONO_TYPE_SZARRAY:
7236 case MONO_TYPE_CHAR:
7238 case MONO_TYPE_GENERICINST:
7239 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7241 case MONO_TYPE_TYPEDBYREF:
7243 g_warning ("return type 0x%02x unknown", sig->ret->type);
7244 g_assert_not_reached ();
7248 mono_mb_emit_stloc (mb, 3);
7252 * Need to call this after converting the result since MONO_VTADDR needs
7253 * to be adjacent to the call instruction.
7255 if (check_exceptions)
7256 emit_thread_interrupt_checkpoint (mb);
7258 /* we need to convert byref arguments back and free string arrays */
7259 for (i = 0; i < sig->param_count; i++) {
7260 MonoType *t = sig->params [i];
7261 MonoMarshalSpec *spec = mspecs [i + 1];
7263 argnum = i + param_shift;
7265 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7266 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7271 case MONO_TYPE_STRING:
7272 case MONO_TYPE_VALUETYPE:
7273 case MONO_TYPE_CLASS:
7274 case MONO_TYPE_OBJECT:
7275 case MONO_TYPE_SZARRAY:
7276 case MONO_TYPE_BOOLEAN:
7277 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7284 if (!MONO_TYPE_IS_VOID(sig->ret))
7285 mono_mb_emit_ldloc (mb, 3);
7287 mono_mb_emit_byte (mb, CEE_RET);
7289 #endif /* DISABLE_JIT */
7292 * mono_marshal_get_native_wrapper:
7293 * @method: The MonoMethod to wrap.
7294 * @check_exceptions: Whenever to check for pending exceptions
7296 * generates IL code for the pinvoke wrapper (the generated method
7297 * calls the unmanaged code in piinfo->addr)
7298 * The wrapper info for the wrapper is a WrapperInfo structure.
7301 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
7303 MonoMethodSignature *sig, *csig;
7304 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7305 MonoMethodBuilder *mb;
7306 MonoMarshalSpec **mspecs;
7309 gboolean pinvoke = FALSE;
7312 const char *exc_class = "MissingMethodException";
7313 const char *exc_arg = NULL;
7316 g_assert (method != NULL);
7317 g_assert (mono_method_signature (method)->pinvoke);
7319 GHashTable **cache_ptr;
7322 if (check_exceptions)
7323 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_check_cache;
7325 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_cache;
7327 if (check_exceptions)
7328 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_check_cache;
7330 cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_cache;
7333 cache = get_cache (cache_ptr, mono_aligned_addr_hash, NULL);
7335 if ((res = mono_marshal_find_in_cache (cache, method)))
7338 if (MONO_CLASS_IS_IMPORT (method->klass)) {
7339 /* The COM code is not AOT compatible, it calls mono_custom_attrs_get_attr_checked () */
7343 return mono_cominterop_get_native_wrapper (method);
7345 g_assert_not_reached ();
7349 sig = mono_method_signature (method);
7351 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7352 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7355 if (!piinfo->addr) {
7357 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
7358 exc_arg = "Method contains unsupported native code";
7360 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7362 piinfo->addr = mono_lookup_internal_call (method);
7366 /* hack - redirect certain string constructors to CreateString */
7367 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7368 g_assert (!pinvoke);
7369 g_assert (method->string_ctor);
7370 g_assert (sig->hasthis);
7372 /* CreateString returns a value */
7373 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7374 csig->ret = &mono_defaults.string_class->byval_arg;
7378 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7379 if (!strcmp ("CreateString", res->name) &&
7380 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7383 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7384 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7386 /* create a wrapper to preserve .ctor in stack trace */
7387 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7390 mono_mb_emit_byte (mb, CEE_LDARG_0);
7391 for (i = 1; i <= csig->param_count; i++)
7392 mono_mb_emit_ldarg (mb, i);
7393 mono_mb_emit_managed_call (mb, res, NULL);
7394 mono_mb_emit_byte (mb, CEE_RET);
7397 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
7398 info->d.string_ctor.method = method;
7400 /* use native_wrapper_cache because internal calls are looked up there */
7401 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7402 csig->param_count + 1, info, NULL);
7409 /* exception will be thrown */
7410 piinfo->addr = NULL;
7411 g_warning ("cannot find CreateString for .ctor");
7414 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7416 mb->method->save_lmf = 1;
7419 * In AOT mode and embedding scenarios, it is possible that the icall is not
7420 * registered in the runtime doing the AOT compilation.
7422 if (!piinfo->addr && !aot) {
7424 mono_mb_emit_exception (mb, exc_class, exc_arg);
7426 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7427 info->d.managed_to_native.method = method;
7429 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7431 res = mono_mb_create_and_cache_full (cache, method, mb, csig,
7432 csig->param_count + 16, info, NULL);
7438 /* internal calls: we simply push all arguments and call the method (no conversions) */
7439 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7441 csig = mono_metadata_signature_dup_add_this (method->klass->image, sig, method->klass);
7443 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7445 /* hack - string constructors returns a value */
7446 if (method->string_ctor)
7447 csig->ret = &mono_defaults.string_class->byval_arg;
7454 * Add a null check since public icalls can be called with 'call' which
7455 * does no such check.
7457 mono_mb_emit_byte (mb, CEE_LDARG_0);
7458 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7459 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
7460 mono_mb_patch_branch (mb, pos);
7462 mono_mb_emit_byte (mb, CEE_LDARG_0);
7465 for (i = 0; i < sig->param_count; i++)
7466 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7469 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7470 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
7471 mono_mb_emit_calli (mb, csig);
7473 g_assert (piinfo->addr);
7474 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7476 if (check_exceptions)
7477 emit_thread_interrupt_checkpoint (mb);
7478 mono_mb_emit_byte (mb, CEE_RET);
7480 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
7481 info->d.managed_to_native.method = method;
7483 csig = mono_metadata_signature_dup_full (method->klass->image, csig);
7485 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
7494 g_assert (piinfo->addr);
7497 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7498 mono_method_get_marshal_info (method, mspecs);
7500 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
7502 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
7503 info->d.managed_to_native.method = method;
7505 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
7507 res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
7512 for (i = sig->param_count; i >= 0; i--)
7514 mono_metadata_free_marshal_spec (mspecs [i]);
7518 /* mono_method_print_code (res); */
7524 * mono_marshal_get_native_func_wrapper:
7525 * @image: The image to use for memory allocation and for looking up custom marshallers.
7526 * @sig: The signature of the function
7527 * @func: The native function to wrap
7529 * Returns a wrapper method around native functions, similar to the pinvoke
7533 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
7534 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7536 MonoMethodSignature *csig;
7538 SignaturePointerPair key, *new_key;
7539 MonoMethodBuilder *mb;
7548 // Generic types are not safe to place in MonoImage caches.
7549 g_assert (!sig->is_inflated);
7551 cache = get_cache (&image->native_func_wrapper_cache, signature_pointer_pair_hash, signature_pointer_pair_equal);
7552 if ((res = mono_marshal_find_in_cache (cache, &key)))
7555 name = g_strdup_printf ("wrapper_native_%p", func);
7556 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7557 mb->method->save_lmf = 1;
7560 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
7563 csig = mono_metadata_signature_dup_full (image, sig);
7566 new_key = g_new (SignaturePointerPair,1);
7567 new_key->sig = csig;
7568 new_key->pointer = func;
7570 res = mono_mb_create_and_cache_full (cache, new_key, mb, csig, csig->param_count + 16, NULL, &found);
7576 mono_marshal_set_wrapper_info (res, NULL);
7582 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
7586 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
7588 MonoMethodSignature *sig, *csig;
7589 MonoMethodBuilder *mb;
7594 MonoMethodPInvoke mpiinfo;
7595 MonoMethodPInvoke *piinfo = &mpiinfo;
7596 MonoMarshalSpec **mspecs;
7597 MonoMethod *invoke = mono_get_delegate_invoke (klass);
7598 MonoImage *image = invoke->klass->image;
7601 // FIXME: include UnmanagedFunctionPointerAttribute info
7604 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
7606 cache = get_cache (&mono_method_get_wrapper_cache (invoke)->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
7608 if ((res = mono_marshal_find_in_cache (cache, invoke)))
7611 memset (&mpiinfo, 0, sizeof (mpiinfo));
7612 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
7614 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7615 mono_method_get_marshal_info (invoke, mspecs);
7616 /* Freed below so don't alloc from mempool */
7617 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
7620 name = g_strdup_printf ("wrapper_aot_native");
7621 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7622 mb->method->save_lmf = 1;
7625 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
7628 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
7629 info->d.managed_to_native.method = invoke;
7631 g_assert (!sig->hasthis);
7632 csig = mono_metadata_signature_dup_add_this (image, sig, mono_defaults.object_class);
7634 res = mono_mb_create_and_cache_full (cache, invoke,
7635 mb, csig, csig->param_count + 16,
7639 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7641 mono_metadata_free_marshal_spec (mspecs [i]);
7649 * mono_marshal_emit_managed_wrapper:
7651 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
7652 * the delegate which wraps the managed method to be called. For closed delegates,
7653 * it could have fewer parameters than the method it wraps.
7654 * THIS_LOC is the memory location where the target of the delegate is stored.
7657 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
7660 MonoMethodSignature *sig, *csig;
7666 /* we first do all conversions */
7667 for (i = 0; i < sig->param_count; i ++) {
7668 MonoType *t = sig->params [i];
7671 case MONO_TYPE_OBJECT:
7672 case MONO_TYPE_CLASS:
7673 case MONO_TYPE_VALUETYPE:
7674 case MONO_TYPE_ARRAY:
7675 case MONO_TYPE_SZARRAY:
7676 case MONO_TYPE_STRING:
7677 case MONO_TYPE_BOOLEAN:
7678 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7682 if (!sig->ret->byref) {
7683 switch (sig->ret->type) {
7684 case MONO_TYPE_STRING:
7685 csig->ret = &mono_defaults.int_class->byval_arg;
7692 MonoMethodSignature *sig, *csig;
7694 gboolean closed = FALSE;
7695 int coop_gc_var, coop_gc_dummy_local;
7700 /* allocate local 0 (pointer) src_ptr */
7701 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7702 /* allocate local 1 (pointer) dst_ptr */
7703 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7704 /* allocate local 2 (boolean) delete_old */
7705 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7707 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
7708 /* Closed delegate */
7709 g_assert (sig->param_count == invoke_sig->param_count + 1);
7711 /* Use a new signature without the first argument */
7712 sig = mono_metadata_signature_dup (sig);
7713 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
7714 sig->param_count --;
7717 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7718 /* allocate local 3 to store the return value */
7719 mono_mb_add_local (mb, sig->ret);
7722 if (mono_threads_is_coop_enabled ()) {
7723 /* local 4, the local to be used when calling the reset_blocking funcs */
7724 /* tons of code hardcode 3 to be the return var */
7725 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7726 /* local 5, the local used to get a stack address for suspend funcs */
7727 coop_gc_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7730 mono_mb_emit_icon (mb, 0);
7731 mono_mb_emit_stloc (mb, 2);
7734 * Might need to attach the thread to the JIT or change the
7735 * domain for the callback.
7737 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7738 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
7740 if (mono_threads_is_coop_enabled ()) {
7741 /* XXX can we merge reset_blocking_start with JIT_ATTACH above and save one call? */
7742 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
7743 mono_mb_emit_icall (mb, mono_threads_reset_blocking_start);
7744 mono_mb_emit_stloc (mb, coop_gc_var);
7747 /* we first do all conversions */
7748 tmp_locals = alloca (sizeof (int) * sig->param_count);
7749 for (i = 0; i < sig->param_count; i ++) {
7750 MonoType *t = sig->params [i];
7753 case MONO_TYPE_OBJECT:
7754 case MONO_TYPE_CLASS:
7755 case MONO_TYPE_VALUETYPE:
7756 case MONO_TYPE_ARRAY:
7757 case MONO_TYPE_SZARRAY:
7758 case MONO_TYPE_STRING:
7759 case MONO_TYPE_BOOLEAN:
7760 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7769 emit_thread_interrupt_checkpoint (mb);
7772 if (target_handle) {
7773 mono_mb_emit_icon (mb, (gint32)target_handle);
7774 mono_mb_emit_icall (mb, mono_gchandle_get_target);
7777 g_assert_not_reached ();
7779 } else if (closed) {
7780 mono_mb_emit_icon (mb, (gint32)target_handle);
7781 mono_mb_emit_icall (mb, mono_gchandle_get_target);
7784 for (i = 0; i < sig->param_count; i++) {
7785 MonoType *t = sig->params [i];
7787 if (tmp_locals [i]) {
7789 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7791 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7794 mono_mb_emit_ldarg (mb, i);
7797 mono_mb_emit_managed_call (mb, method, NULL);
7799 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7800 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7801 } else if (!sig->ret->byref) {
7802 switch (sig->ret->type) {
7803 case MONO_TYPE_VOID:
7805 case MONO_TYPE_BOOLEAN:
7808 case MONO_TYPE_CHAR:
7820 case MONO_TYPE_OBJECT:
7821 mono_mb_emit_stloc (mb, 3);
7823 case MONO_TYPE_STRING:
7824 csig->ret = &mono_defaults.int_class->byval_arg;
7825 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7827 case MONO_TYPE_VALUETYPE:
7828 case MONO_TYPE_CLASS:
7829 case MONO_TYPE_SZARRAY:
7830 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7833 g_warning ("return type 0x%02x unknown", sig->ret->type);
7834 g_assert_not_reached ();
7837 mono_mb_emit_stloc (mb, 3);
7840 /* Convert byref arguments back */
7841 for (i = 0; i < sig->param_count; i ++) {
7842 MonoType *t = sig->params [i];
7843 MonoMarshalSpec *spec = mspecs [i + 1];
7845 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7846 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7848 else if (t->byref) {
7850 case MONO_TYPE_CLASS:
7851 case MONO_TYPE_VALUETYPE:
7852 case MONO_TYPE_OBJECT:
7853 case MONO_TYPE_STRING:
7854 case MONO_TYPE_BOOLEAN:
7855 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7861 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7862 /* The [Out] information is encoded in the delegate signature */
7864 case MONO_TYPE_SZARRAY:
7865 case MONO_TYPE_CLASS:
7866 case MONO_TYPE_VALUETYPE:
7867 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7870 g_assert_not_reached ();
7875 if (mono_threads_is_coop_enabled ()) {
7876 /* XXX merge reset_blocking_end with detach */
7877 mono_mb_emit_ldloc (mb, coop_gc_var);
7878 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
7879 mono_mb_emit_icall (mb, mono_threads_reset_blocking_end);
7882 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7883 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
7885 if (m->retobj_var) {
7886 mono_mb_emit_ldloc (mb, m->retobj_var);
7887 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7888 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
7891 if (!MONO_TYPE_IS_VOID(sig->ret))
7892 mono_mb_emit_ldloc (mb, 3);
7893 mono_mb_emit_byte (mb, CEE_RET);
7902 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
7904 MonoMethodSignature *sig;
7909 * Under windows, delegates passed to native code must use the STDCALL
7910 * calling convention.
7912 csig->call_convention = MONO_CALL_STDCALL;
7915 sig = mono_method_signature (method);
7917 /* Change default calling convention if needed */
7918 /* Why is this a modopt ? */
7919 if (sig->ret && sig->ret->num_mods) {
7920 for (i = 0; i < sig->ret->num_mods; ++i) {
7922 MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
7923 g_assert (mono_error_ok (&error));
7924 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7925 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7926 csig->call_convention = MONO_CALL_C;
7927 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7928 csig->call_convention = MONO_CALL_STDCALL;
7929 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7930 csig->call_convention = MONO_CALL_FASTCALL;
7931 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7932 csig->call_convention = MONO_CALL_THISCALL;
7939 * generates IL code to call managed methods from unmanaged code
7940 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
7943 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
7945 static MonoClass *UnmanagedFunctionPointerAttribute;
7946 MonoMethodSignature *sig, *csig, *invoke_sig;
7947 MonoMethodBuilder *mb;
7948 MonoMethod *res, *invoke;
7949 MonoMarshalSpec **mspecs;
7950 MonoMethodPInvoke piinfo;
7953 EmitMarshalContext m;
7955 g_assert (method != NULL);
7956 g_assert (!mono_method_signature (method)->pinvoke);
7959 * FIXME: Should cache the method+delegate type pair, since the same method
7960 * could be called with different delegates, thus different marshalling
7963 cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
7965 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
7968 invoke = mono_get_delegate_invoke (delegate_klass);
7969 invoke_sig = mono_method_signature (invoke);
7971 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7972 mono_method_get_marshal_info (invoke, mspecs);
7974 sig = mono_method_signature (method);
7976 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
7978 /*the target gchandle must be the first entry after size and the wrapper itself.*/
7979 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
7981 /* we copy the signature, so that we can modify it */
7983 /* Need to free this later */
7984 csig = mono_metadata_signature_dup (invoke_sig);
7986 csig = mono_metadata_signature_dup_full (method->klass->image, invoke_sig);
7990 memset (&m, 0, sizeof (m));
7996 m.image = method->klass->image;
7998 mono_marshal_set_callconv_from_modopt (invoke, csig);
8000 /* Handle the UnmanagedFunctionPointerAttribute */
8001 if (!UnmanagedFunctionPointerAttribute)
8002 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
8004 /* The attribute is only available in Net 2.0 */
8005 if (UnmanagedFunctionPointerAttribute) {
8006 MonoCustomAttrInfo *cinfo;
8007 MonoCustomAttrEntry *attr;
8010 * The pinvoke attributes are stored in a real custom attribute. Obtain the
8011 * contents of the attribute without constructing it, as that might not be
8012 * possible when running in cross-compiling mode.
8014 cinfo = mono_custom_attrs_from_class (delegate_klass);
8017 for (i = 0; i < cinfo->num_attrs; ++i) {
8018 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
8019 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
8020 attr = &cinfo->attrs [i];
8026 MonoArray *typed_args, *named_args;
8027 CattrNamedArg *arginfo;
8031 MonoBoolean set_last_error = 0;
8034 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
8035 g_assert (mono_error_ok (&error));
8036 g_assert (mono_array_length (typed_args) == 1);
8039 o = mono_array_get (typed_args, MonoObject*, 0);
8040 call_conv = *(gint32*)mono_object_unbox (o);
8043 for (i = 0; i < mono_array_length (named_args); ++i) {
8044 CattrNamedArg *narg = &arginfo [i];
8046 o = mono_array_get (named_args, MonoObject*, i);
8048 g_assert (narg->field);
8049 if (!strcmp (narg->field->name, "CharSet")) {
8050 charset = *(gint32*)mono_object_unbox (o);
8051 } else if (!strcmp (narg->field->name, "SetLastError")) {
8052 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
8053 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
8054 // best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
8055 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
8056 // throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
8058 g_assert_not_reached ();
8064 memset (&piinfo, 0, sizeof (piinfo));
8066 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
8068 csig->call_convention = call_conv - 1;
8071 if (cinfo && !cinfo->cached)
8072 mono_custom_attrs_free (cinfo);
8075 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
8077 if (!target_handle) {
8080 // FIXME: Associate it with the method+delegate_klass pair
8081 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8082 info->d.native_to_managed.method = method;
8083 info->d.native_to_managed.klass = delegate_klass;
8085 res = mono_mb_create_and_cache_full (cache, method,
8086 mb, csig, sig->param_count + 16,
8092 res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8096 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8098 mono_metadata_free_marshal_spec (mspecs [i]);
8101 /* mono_method_print_code (res); */
8107 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
8110 MonoMethodSignature *sig;
8111 MonoMethodBuilder *mb;
8116 method = mono_get_method (image, token, NULL);
8119 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
8120 MonoMethodSignature *csig;
8121 MonoMarshalSpec **mspecs;
8122 EmitMarshalContext m;
8124 sig = mono_method_signature (method);
8125 g_assert (!sig->hasthis);
8127 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
8128 mono_method_get_marshal_info (method, mspecs);
8130 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
8131 csig = mono_metadata_signature_dup_full (image, sig);
8135 memset (&m, 0, sizeof (m));
8143 mono_marshal_set_callconv_from_modopt (method, csig);
8145 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
8147 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
8152 method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
8155 for (i = sig->param_count; i >= 0; i--)
8157 mono_metadata_free_marshal_spec (mspecs [i]);
8160 return mono_compile_method (method);
8163 sig = mono_method_signature (method);
8164 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8166 param_count = sig->param_count + sig->hasthis;
8168 for (i = 0; i < param_count; i++)
8169 mono_mb_emit_ldarg (mb, i);
8171 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
8172 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
8174 mono_mb_emit_op (mb, CEE_CALL, method);
8175 mono_mb_emit_byte (mb, CEE_RET);
8180 method = mono_mb_create (mb, sig, param_count, NULL);
8183 return mono_compile_method (method);
8189 * The code directly following this is the cache hit, value positive branch
8191 * This function takes a new method builder with 0 locals and adds two locals
8192 * to create multiple out-branches and the fall through state of having the object
8193 * on the stack after a cache miss
8196 generate_check_cache (int obj_arg_position, int class_arg_position, int cache_arg_position, // In-parameters
8197 int *null_obj, int *cache_hit_neg, int *cache_hit_pos, // Out-parameters
8198 MonoMethodBuilder *mb)
8202 /* allocate local 0 (pointer) obj_vtable */
8203 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8204 /* allocate local 1 (pointer) cached_vtable */
8205 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8208 mono_mb_emit_ldarg (mb, obj_arg_position);
8209 *null_obj = mono_mb_emit_branch (mb, CEE_BRFALSE);
8211 /*obj_vtable = obj->vtable;*/
8212 mono_mb_emit_ldarg (mb, obj_arg_position);
8213 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
8214 mono_mb_emit_byte (mb, CEE_LDIND_I);
8215 mono_mb_emit_stloc (mb, 0);
8217 /* cached_vtable = *cache*/
8218 mono_mb_emit_ldarg (mb, cache_arg_position);
8219 mono_mb_emit_byte (mb, CEE_LDIND_I);
8220 mono_mb_emit_stloc (mb, 1);
8222 mono_mb_emit_ldloc (mb, 1);
8223 mono_mb_emit_byte (mb, CEE_LDC_I4);
8224 mono_mb_emit_i4 (mb, ~0x1);
8225 mono_mb_emit_byte (mb, CEE_CONV_I);
8226 mono_mb_emit_byte (mb, CEE_AND);
8227 mono_mb_emit_ldloc (mb, 0);
8228 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
8229 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
8231 /*return (cached_vtable & 0x1) ? NULL : obj;*/
8232 mono_mb_emit_ldloc (mb, 1);
8233 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
8234 mono_mb_emit_byte (mb, CEE_CONV_U);
8235 mono_mb_emit_byte (mb, CEE_AND);
8236 *cache_hit_neg = mono_mb_emit_branch (mb, CEE_BRTRUE);
8237 *cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
8240 mono_mb_patch_branch (mb, cache_miss_pos);
8243 mono_mb_emit_ldarg (mb, obj_arg_position);
8244 mono_mb_emit_ldarg (mb, class_arg_position);
8245 mono_mb_emit_ldarg (mb, cache_arg_position);
8246 mono_mb_emit_icall (mb, mono_marshal_isinst_with_cache);
8249 #endif /* DISABLE_JIT */
8252 * This does the equivalent of mono_object_castclass_with_cache.
8253 * The wrapper info for the wrapper is a WrapperInfo structure.
8256 mono_marshal_get_castclass_with_cache (void)
8258 static MonoMethod *cached;
8260 MonoMethodBuilder *mb;
8261 MonoMethodSignature *sig;
8262 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos, invalid_cast_pos;
8265 const int obj_arg_position = 0;
8266 const int class_arg_position = 1;
8267 const int cache_arg_position = 2;
8272 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
8273 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8274 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8275 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8276 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8277 sig->ret = &mono_defaults.object_class->byval_arg;
8281 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
8282 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
8283 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
8286 mono_mb_patch_branch (mb, positive_cache_hit_pos);
8287 mono_mb_emit_ldarg (mb, obj_arg_position);
8288 mono_mb_emit_byte (mb, CEE_RET);
8291 mono_mb_patch_branch (mb, negative_cache_hit_pos);
8292 mono_mb_patch_branch (mb, invalid_cast_pos);
8293 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8296 mono_mb_patch_branch (mb, return_null_pos);
8297 mono_mb_emit_byte (mb, CEE_LDNULL);
8298 mono_mb_emit_byte (mb, CEE_RET);
8299 #endif /* DISABLE_JIT */
8301 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
8302 res = mono_mb_create (mb, sig, 8, info);
8305 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8306 mono_free_method (res);
8307 mono_metadata_free_method_signature (sig);
8315 mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache)
8317 MonoObject *isinst = mono_object_isinst (obj, klass);
8319 #ifndef DISABLE_REMOTING
8320 if (obj->vtable->klass == mono_defaults.transparent_proxy_class)
8324 uintptr_t cache_update = (uintptr_t)obj->vtable;
8326 cache_update = cache_update | 0x1;
8328 *cache = cache_update;
8334 * This does the equivalent of mono_object_isinst_with_cache.
8335 * The wrapper info for the wrapper is a WrapperInfo structure.
8338 mono_marshal_get_isinst_with_cache (void)
8340 static MonoMethod *cached;
8342 MonoMethodBuilder *mb;
8343 MonoMethodSignature *sig;
8344 int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos;
8347 const int obj_arg_position = 0;
8348 const int class_arg_position = 1;
8349 const int cache_arg_position = 2;
8354 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
8355 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8357 sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
8359 sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
8361 sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
8362 sig->ret = &mono_defaults.object_class->byval_arg;
8366 generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
8367 &return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
8368 // Return the object gotten via the slow path.
8369 mono_mb_emit_byte (mb, CEE_RET);
8372 mono_mb_patch_branch (mb, negative_cache_hit_pos);
8373 mono_mb_patch_branch (mb, return_null_pos);
8374 mono_mb_emit_byte (mb, CEE_LDNULL);
8375 mono_mb_emit_byte (mb, CEE_RET);
8378 mono_mb_patch_branch (mb, positive_cache_hit_pos);
8379 mono_mb_emit_ldarg (mb, 0);
8380 mono_mb_emit_byte (mb, CEE_RET);
8383 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
8384 res = mono_mb_create (mb, sig, 8, info);
8387 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
8388 mono_free_method (res);
8389 mono_metadata_free_method_signature (sig);
8397 * mono_marshal_get_isinst:
8398 * @klass: the type of the field
8400 * This method generates a function which can be used to check if an object is
8401 * an instance of the given type, icluding the case where the object is a proxy.
8402 * The generated function has the following signature:
8403 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
8406 mono_marshal_get_isinst (MonoClass *klass)
8408 static MonoMethodSignature *isint_sig = NULL;
8412 int pos_was_ok, pos_end;
8413 #ifndef DISABLE_REMOTING
8414 int pos_end2, pos_failed;
8417 MonoMethodBuilder *mb;
8419 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
8420 if ((res = mono_marshal_find_in_cache (cache, klass)))
8424 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8425 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
8426 isint_sig->ret = &mono_defaults.object_class->byval_arg;
8427 isint_sig->pinvoke = 0;
8430 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
8431 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
8434 mb->method->save_lmf = 1;
8437 /* check if the object is a proxy that needs special cast */
8438 mono_mb_emit_ldarg (mb, 0);
8439 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8440 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
8442 /* The result of MONO_CISINST can be:
8443 0) the type check succeeded
8444 1) the type check did not succeed
8445 2) a CanCastTo call is needed */
8446 #ifndef DISABLE_REMOTING
8447 mono_mb_emit_byte (mb, CEE_DUP);
8448 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8450 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
8451 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
8453 /* get the real proxy from the transparent proxy*/
8455 mono_mb_emit_ldarg (mb, 0);
8456 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8457 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8461 mono_mb_patch_branch (mb, pos_failed);
8462 mono_mb_emit_byte (mb, CEE_LDNULL);
8463 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
8467 mono_mb_patch_branch (mb, pos_was_ok);
8468 mono_mb_emit_byte (mb, CEE_POP);
8469 mono_mb_emit_ldarg (mb, 0);
8473 mono_mb_patch_branch (mb, pos_end);
8474 mono_mb_patch_branch (mb, pos_end2);
8475 mono_mb_emit_byte (mb, CEE_RET);
8477 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8481 mono_mb_emit_byte (mb, CEE_LDNULL);
8482 pos_end = mono_mb_emit_branch (mb, CEE_BR);
8486 mono_mb_patch_branch (mb, pos_was_ok);
8487 mono_mb_emit_ldarg (mb, 0);
8491 mono_mb_patch_branch (mb, pos_end);
8492 mono_mb_emit_byte (mb, CEE_RET);
8493 #endif /* DISABLE_REMOTING */
8494 #endif /* DISABLE_JIT */
8496 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8497 info->d.proxy.klass = klass;
8498 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
8505 * mono_marshal_get_castclass:
8506 * @klass: the type of the field
8508 * This method generates a function which can be used to cast an object to
8509 * an instance of the given type, icluding the case where the object is a proxy.
8510 * The generated function has the following signature:
8511 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
8512 * The wrapper info for the wrapper is a WrapperInfo structure.
8515 mono_marshal_get_castclass (MonoClass *klass)
8517 static MonoMethodSignature *castclass_sig = NULL;
8520 #ifndef DISABLE_REMOTING
8521 int pos_was_ok, pos_was_ok2;
8524 MonoMethodBuilder *mb;
8527 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
8528 if ((res = mono_marshal_find_in_cache (cache, klass)))
8531 if (!castclass_sig) {
8532 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
8533 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
8534 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
8535 castclass_sig->pinvoke = 0;
8538 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
8539 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
8542 mb->method->save_lmf = 1;
8545 /* check if the object is a proxy that needs special cast */
8546 mono_mb_emit_ldarg (mb, 0);
8547 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8548 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
8550 /* The result of MONO_CCASTCLASS can be:
8551 0) the cast is valid
8552 1) cast of unknown proxy type
8553 or an exception if the cast is is invalid
8555 #ifndef DISABLE_REMOTING
8556 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
8558 /* get the real proxy from the transparent proxy*/
8560 mono_mb_emit_ldarg (mb, 0);
8561 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
8562 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8565 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
8568 mono_mb_patch_branch (mb, pos_was_ok);
8569 mono_mb_patch_branch (mb, pos_was_ok2);
8571 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
8572 mono_mb_emit_byte (mb, CEE_POP);
8573 #endif /* DISABLE_REMOTING */
8575 mono_mb_emit_ldarg (mb, 0);
8578 mono_mb_emit_byte (mb, CEE_RET);
8579 #endif /* DISABLE_JIT */
8581 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8583 res = mono_mb_create_and_cache_full (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16,
8591 * mono_marshal_get_struct_to_ptr:
8594 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
8595 * The wrapper info for the wrapper is a WrapperInfo structure.
8598 mono_marshal_get_struct_to_ptr (MonoClass *klass)
8600 MonoMethodBuilder *mb;
8601 static MonoMethod *stoptr = NULL;
8605 g_assert (klass != NULL);
8607 mono_marshal_load_type_info (klass);
8609 if (klass->marshal_info->str_to_ptr)
8610 return klass->marshal_info->str_to_ptr;
8613 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
8616 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
8619 if (klass->blittable) {
8620 mono_mb_emit_byte (mb, CEE_LDARG_1);
8621 mono_mb_emit_byte (mb, CEE_LDARG_0);
8622 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8623 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8624 mono_mb_emit_byte (mb, CEE_PREFIX1);
8625 mono_mb_emit_byte (mb, CEE_CPBLK);
8628 /* allocate local 0 (pointer) src_ptr */
8629 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8630 /* allocate local 1 (pointer) dst_ptr */
8631 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8632 /* allocate local 2 (boolean) delete_old */
8633 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8634 mono_mb_emit_byte (mb, CEE_LDARG_2);
8635 mono_mb_emit_stloc (mb, 2);
8637 /* initialize src_ptr to point to the start of object data */
8638 mono_mb_emit_byte (mb, CEE_LDARG_0);
8639 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8640 mono_mb_emit_stloc (mb, 0);
8642 /* initialize dst_ptr */
8643 mono_mb_emit_byte (mb, CEE_LDARG_1);
8644 mono_mb_emit_stloc (mb, 1);
8646 emit_struct_conv (mb, klass, FALSE);
8649 mono_mb_emit_byte (mb, CEE_RET);
8651 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
8652 res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
8655 klass->marshal_info->str_to_ptr = res;
8660 * mono_marshal_get_ptr_to_struct:
8663 * generates IL code for PtrToStructure (IntPtr src, object structure)
8664 * The wrapper info for the wrapper is a WrapperInfo structure.
8667 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8669 MonoMethodBuilder *mb;
8670 static MonoMethodSignature *ptostr = NULL;
8674 g_assert (klass != NULL);
8676 mono_marshal_load_type_info (klass);
8678 if (klass->marshal_info->ptr_to_str)
8679 return klass->marshal_info->ptr_to_str;
8682 MonoMethodSignature *sig;
8684 /* Create the signature corresponding to
8685 static void PtrToStructure (IntPtr ptr, object structure);
8686 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8687 sig = mono_create_icall_signature ("void ptr object");
8688 sig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
8690 mono_memory_barrier ();
8694 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8697 if (klass->blittable) {
8698 mono_mb_emit_byte (mb, CEE_LDARG_1);
8699 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8700 mono_mb_emit_byte (mb, CEE_LDARG_0);
8701 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8702 mono_mb_emit_byte (mb, CEE_PREFIX1);
8703 mono_mb_emit_byte (mb, CEE_CPBLK);
8706 /* allocate local 0 (pointer) src_ptr */
8707 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8708 /* allocate local 1 (pointer) dst_ptr */
8709 mono_mb_add_local (mb, &klass->this_arg);
8711 /* initialize src_ptr to point to the start of object data */
8712 mono_mb_emit_byte (mb, CEE_LDARG_0);
8713 mono_mb_emit_stloc (mb, 0);
8715 /* initialize dst_ptr */
8716 mono_mb_emit_byte (mb, CEE_LDARG_1);
8717 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8718 mono_mb_emit_stloc (mb, 1);
8720 emit_struct_conv (mb, klass, TRUE);
8723 mono_mb_emit_byte (mb, CEE_RET);
8725 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
8726 res = mono_mb_create (mb, ptostr, 0, info);
8729 klass->marshal_info->ptr_to_str = res;
8734 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
8735 * This is used to avoid infinite recursion since it is hard to determine where to
8736 * replace a method with its synchronized wrapper, and where not.
8737 * The runtime should execute METHOD instead of the wrapper.
8738 * The wrapper info for the wrapper is a WrapperInfo structure.
8741 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
8743 MonoMethodBuilder *mb;
8745 MonoMethodSignature *sig;
8747 MonoGenericContext *ctx = NULL;
8748 MonoGenericContainer *container = NULL;
8750 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
8751 ctx = &((MonoMethodInflated*)method)->context;
8752 method = ((MonoMethodInflated*)method)->declaring;
8753 container = mono_method_get_generic_container (method);
8755 container = method->klass->generic_container;
8756 g_assert (container);
8759 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
8761 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
8762 mono_mb_emit_byte (mb, CEE_RET);
8764 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
8766 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
8767 info->d.synchronized_inner.method = method;
8768 res = mono_mb_create (mb, sig, 0, info);
8772 res = mono_class_inflate_generic_method_checked (res, ctx, &error);
8773 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8779 * generates IL code for the synchronized wrapper: the generated method
8780 * calls METHOD while locking 'this' or the parent type.
8783 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8785 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
8786 MonoMethodSignature *sig;
8787 MonoExceptionClause *clause;
8788 MonoMethodBuilder *mb;
8792 int i, pos, pos2, this_local, taken_local, ret_local = 0;
8793 MonoGenericContext *ctx = NULL;
8794 MonoMethod *orig_method = NULL;
8795 MonoGenericContainer *container = NULL;
8799 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8802 /* FIXME: Support generic methods too */
8803 if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
8804 orig_method = method;
8805 ctx = &((MonoMethodInflated*)method)->context;
8806 method = ((MonoMethodInflated*)method)->declaring;
8807 container = mono_method_get_generic_container (method);
8809 container = method->klass->generic_container;
8810 g_assert (container);
8817 cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
8818 res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
8822 cache = get_cache (&method->klass->image->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
8823 if ((res = mono_marshal_find_in_cache (cache, method)))
8827 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
8830 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8832 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
8833 info->d.synchronized.method = method;
8836 mb->skip_visibility = 1;
8838 if (!MONO_TYPE_IS_VOID (sig->ret))
8839 ret_local = mono_mb_add_local (mb, sig->ret);
8842 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
8843 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
8845 /* This will throw the type load exception when the wrapper is compiled */
8846 mono_mb_emit_byte (mb, CEE_LDNULL);
8847 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
8848 mono_mb_emit_byte (mb, CEE_POP);
8850 if (!MONO_TYPE_IS_VOID (sig->ret))
8851 mono_mb_emit_ldloc (mb, ret_local);
8852 mono_mb_emit_byte (mb, CEE_RET);
8855 res = mono_mb_create_and_cache_full (cache, method,
8856 mb, sig, sig->param_count + 16, info, NULL);
8864 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8865 taken_local = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8867 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
8868 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8871 mono_marshal_lock ();
8873 if (!enter_method) {
8874 MonoMethodDesc *desc;
8876 desc = mono_method_desc_new ("Monitor:enter_with_atomic_var(object,bool&)", FALSE);
8877 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8878 g_assert (enter_method);
8879 mono_method_desc_free (desc);
8881 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8882 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8883 g_assert (exit_method);
8884 mono_method_desc_free (desc);
8886 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
8887 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
8888 g_assert (gettypefromhandle_method);
8889 mono_method_desc_free (desc);
8892 mono_marshal_unlock ();
8895 /* Push this or the type object */
8896 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8897 /* We have special handling for this in the JIT */
8898 int index = mono_mb_add_data (mb, method->klass);
8899 mono_mb_add_data (mb, mono_defaults.typehandle_class);
8900 mono_mb_emit_byte (mb, CEE_LDTOKEN);
8901 mono_mb_emit_i4 (mb, index);
8903 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
8906 mono_mb_emit_ldarg (mb, 0);
8907 mono_mb_emit_stloc (mb, this_local);
8909 /* Call Monitor::Enter() */
8910 mono_mb_emit_ldloc (mb, this_local);
8911 mono_mb_emit_ldloc_addr (mb, taken_local);
8912 mono_mb_emit_managed_call (mb, enter_method, NULL);
8914 clause->try_offset = mono_mb_get_label (mb);
8916 /* Call the method */
8918 mono_mb_emit_ldarg (mb, 0);
8919 for (i = 0; i < sig->param_count; i++)
8920 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8924 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
8925 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8927 mono_mb_emit_managed_call (mb, method, NULL);
8930 if (!MONO_TYPE_IS_VOID (sig->ret))
8931 mono_mb_emit_stloc (mb, ret_local);
8933 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8935 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
8936 clause->handler_offset = mono_mb_get_label (mb);
8938 /* Call Monitor::Exit() if needed */
8939 mono_mb_emit_ldloc (mb, taken_local);
8940 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8941 mono_mb_emit_ldloc (mb, this_local);
8942 mono_mb_emit_managed_call (mb, exit_method, NULL);
8943 mono_mb_patch_branch (mb, pos2);
8944 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8946 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
8948 mono_mb_patch_branch (mb, pos);
8949 if (!MONO_TYPE_IS_VOID (sig->ret))
8950 mono_mb_emit_ldloc (mb, ret_local);
8951 mono_mb_emit_byte (mb, CEE_RET);
8953 mono_mb_set_clauses (mb, 1, clause);
8958 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
8959 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
8961 res = mono_mb_create_and_cache_full (cache, method,
8962 mb, sig, sig->param_count + 16, info, NULL);
8971 * the returned method calls 'method' unboxing the this argument
8974 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8976 MonoMethodSignature *sig = mono_method_signature (method);
8978 MonoMethodBuilder *mb;
8983 cache = get_cache (&mono_method_get_wrapper_cache (method)->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
8985 if ((res = mono_marshal_find_in_cache (cache, method)))
8988 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8990 g_assert (sig->hasthis);
8993 mono_mb_emit_ldarg (mb, 0);
8994 mono_mb_emit_icon (mb, sizeof (MonoObject));
8995 mono_mb_emit_byte (mb, CEE_ADD);
8996 for (i = 0; i < sig->param_count; ++i)
8997 mono_mb_emit_ldarg (mb, i + 1);
8998 mono_mb_emit_managed_call (mb, method, NULL);
8999 mono_mb_emit_byte (mb, CEE_RET);
9002 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9003 info->d.unbox.method = method;
9005 res = mono_mb_create_and_cache_full (cache, method,
9006 mb, sig, sig->param_count + 16, info, NULL);
9009 /* mono_method_print_code (res); */
9015 STELEMREF_OBJECT, /*no check at all*/
9016 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
9017 STELEMREF_CLASS, /*only the klass->parents check*/
9018 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
9019 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
9020 STELEMREF_KIND_COUNT
9023 static const char *strelemref_wrapper_name[] = {
9024 "object", "sealed_class", "class", "interface", "complex"
9028 is_monomorphic_array (MonoClass *klass)
9030 MonoClass *element_class;
9031 if (klass->rank != 1)
9034 element_class = klass->element_class;
9035 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
9039 get_virtual_stelemref_kind (MonoClass *element_class)
9041 if (element_class == mono_defaults.object_class)
9042 return STELEMREF_OBJECT;
9043 if (is_monomorphic_array (element_class))
9044 return STELEMREF_SEALED_CLASS;
9045 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
9046 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
9047 #ifdef COMPRESSED_INTERFACE_BITMAP
9048 return STELEMREF_COMPLEX;
9050 return STELEMREF_INTERFACE;
9052 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
9053 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
9054 return STELEMREF_COMPLEX;
9055 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
9056 return STELEMREF_SEALED_CLASS;
9057 return STELEMREF_CLASS;
9063 load_array_element_address (MonoMethodBuilder *mb)
9065 mono_mb_emit_ldarg (mb, 0);
9066 mono_mb_emit_ldarg (mb, 1);
9067 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9071 load_array_class (MonoMethodBuilder *mb, int aklass)
9073 mono_mb_emit_ldarg (mb, 0);
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_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9079 mono_mb_emit_byte (mb, CEE_LDIND_I);
9080 mono_mb_emit_stloc (mb, aklass);
9084 load_value_class (MonoMethodBuilder *mb, int vklass)
9086 mono_mb_emit_ldarg (mb, 2);
9087 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9088 mono_mb_emit_byte (mb, CEE_LDIND_I);
9089 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9090 mono_mb_emit_byte (mb, CEE_LDIND_I);
9091 mono_mb_emit_stloc (mb, vklass);
9097 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
9099 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
9100 printf ("slow vstore of %s\n", name);
9106 * The wrapper info for the wrapper is a WrapperInfo structure.
9109 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
9110 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
9111 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
9112 * - Add a case for arrays of arrays.
9115 get_virtual_stelemref_wrapper (int kind)
9117 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
9118 static MonoMethodSignature *signature;
9119 MonoMethodBuilder *mb;
9122 const char *param_names [16];
9124 int aklass, vklass, vtable, uiid;
9125 int array_slot_addr;
9128 if (cached_methods [kind])
9129 return cached_methods [kind];
9131 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
9132 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
9136 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
9138 /* void this::stelemref (size_t idx, void* value) */
9139 sig->ret = &mono_defaults.void_class->byval_arg;
9140 sig->hasthis = TRUE;
9141 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9142 sig->params [1] = &mono_defaults.object_class->byval_arg;
9147 param_names [0] = "index";
9148 param_names [1] = "value";
9149 mono_mb_set_param_names (mb, param_names);
9151 /*For now simply call plain old stelemref*/
9153 case STELEMREF_OBJECT:
9154 /* ldelema (implicit bound check) */
9155 load_array_element_address (mb);
9157 mono_mb_emit_ldarg (mb, 2);
9158 mono_mb_emit_byte (mb, CEE_STIND_REF);
9159 mono_mb_emit_byte (mb, CEE_RET);
9162 case STELEMREF_COMPLEX:
9164 <ldelema (bound check)>
9167 if (!mono_object_isinst (value, aklass))
9171 *array_slot_addr = value;
9174 throw new ArrayTypeMismatchException ();
9177 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9178 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9182 /*Use this to debug/record stores that are going thru the slow path*/
9183 MonoMethodSignature *csig;
9184 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9185 csig->ret = &mono_defaults.void_class->byval_arg;
9186 csig->params [0] = &mono_defaults.object_class->byval_arg;
9187 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9188 csig->params [2] = &mono_defaults.object_class->byval_arg;
9189 mono_mb_emit_ldarg (mb, 0);
9190 mono_mb_emit_ldarg (mb, 1);
9191 mono_mb_emit_ldarg (mb, 2);
9192 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
9196 /* ldelema (implicit bound check) */
9197 load_array_element_address (mb);
9198 mono_mb_emit_stloc (mb, array_slot_addr);
9200 /* if (!value) goto do_store */
9201 mono_mb_emit_ldarg (mb, 2);
9202 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9204 /* aklass = array->vtable->klass->element_class */
9205 load_array_class (mb, aklass);
9207 /*if (mono_object_isinst (value, aklass)) */
9208 mono_mb_emit_ldarg (mb, 2);
9209 mono_mb_emit_ldloc (mb, aklass);
9210 mono_mb_emit_icall (mb, mono_object_isinst);
9211 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9214 mono_mb_patch_branch (mb, b1);
9215 mono_mb_emit_ldloc (mb, array_slot_addr);
9216 mono_mb_emit_ldarg (mb, 2);
9217 mono_mb_emit_byte (mb, CEE_STIND_REF);
9218 mono_mb_emit_byte (mb, CEE_RET);
9221 mono_mb_patch_branch (mb, b2);
9223 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9226 case STELEMREF_SEALED_CLASS:
9228 <ldelema (bound check)>
9232 aklass = array->vtable->klass->element_class;
9233 vklass = value->vtable->klass;
9235 if (vklass != aklass)
9239 *array_slot_addr = value;
9242 throw new ArrayTypeMismatchException ();
9244 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9245 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9246 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9249 /* ldelema (implicit bound check) */
9250 load_array_element_address (mb);
9251 mono_mb_emit_stloc (mb, array_slot_addr);
9253 /* if (!value) goto do_store */
9254 mono_mb_emit_ldarg (mb, 2);
9255 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9257 /* aklass = array->vtable->klass->element_class */
9258 load_array_class (mb, aklass);
9260 /* vklass = value->vtable->klass */
9261 load_value_class (mb, vklass);
9263 /*if (vklass != aklass) goto do_exception; */
9264 mono_mb_emit_ldloc (mb, aklass);
9265 mono_mb_emit_ldloc (mb, vklass);
9266 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9269 mono_mb_patch_branch (mb, b1);
9270 mono_mb_emit_ldloc (mb, array_slot_addr);
9271 mono_mb_emit_ldarg (mb, 2);
9272 mono_mb_emit_byte (mb, CEE_STIND_REF);
9273 mono_mb_emit_byte (mb, CEE_RET);
9276 mono_mb_patch_branch (mb, b2);
9277 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9280 case STELEMREF_CLASS:
9283 <ldelema (bound check)>
9287 aklass = array->vtable->klass->element_class;
9288 vklass = value->vtable->klass;
9290 if (vklass->idepth < aklass->idepth)
9293 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9297 *array_slot_addr = value;
9301 throw new ArrayTypeMismatchException ();
9303 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9304 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9305 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9307 /* ldelema (implicit bound check) */
9308 load_array_element_address (mb);
9309 mono_mb_emit_stloc (mb, array_slot_addr);
9311 /* if (!value) goto do_store */
9312 mono_mb_emit_ldarg (mb, 2);
9313 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9315 /* aklass = array->vtable->klass->element_class */
9316 load_array_class (mb, aklass);
9318 /* vklass = value->vtable->klass */
9319 load_value_class (mb, vklass);
9321 /*if (mono_object_isinst (value, aklass)) */
9322 mono_mb_emit_ldarg (mb, 2);
9323 mono_mb_emit_ldloc (mb, aklass);
9324 mono_mb_emit_icall (mb, mono_object_isinst);
9325 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9327 /* if (vklass->idepth < aklass->idepth) goto failue */
9328 mono_mb_emit_ldloc (mb, vklass);
9329 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9330 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9332 mono_mb_emit_ldloc (mb, aklass);
9333 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9334 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9336 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9338 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9339 mono_mb_emit_ldloc (mb, vklass);
9340 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9341 mono_mb_emit_byte (mb, CEE_LDIND_I);
9343 mono_mb_emit_ldloc (mb, aklass);
9344 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9345 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9346 mono_mb_emit_icon (mb, 1);
9347 mono_mb_emit_byte (mb, CEE_SUB);
9348 mono_mb_emit_icon (mb, sizeof (void*));
9349 mono_mb_emit_byte (mb, CEE_MUL);
9350 mono_mb_emit_byte (mb, CEE_ADD);
9351 mono_mb_emit_byte (mb, CEE_LDIND_I);
9353 mono_mb_emit_ldloc (mb, aklass);
9354 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9357 mono_mb_patch_branch (mb, b1);
9358 mono_mb_emit_ldloc (mb, array_slot_addr);
9359 mono_mb_emit_ldarg (mb, 2);
9360 mono_mb_emit_byte (mb, CEE_STIND_REF);
9361 mono_mb_emit_byte (mb, CEE_RET);
9364 mono_mb_patch_branch (mb, b2);
9365 mono_mb_patch_branch (mb, b3);
9367 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9370 case STELEMREF_INTERFACE:
9377 klass = array->obj.vtable->klass->element_class;
9379 uiid = klass->interface_id;
9380 if (uiid > vt->max_interface_id)
9382 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
9385 mono_array_setref (array, index, value);
9388 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
9390 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9391 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9392 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9393 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9395 /* ldelema (implicit bound check) */
9396 load_array_element_address (mb);
9397 mono_mb_emit_stloc (mb, array_slot_addr);
9399 /* if (!value) goto do_store */
9400 mono_mb_emit_ldarg (mb, 2);
9401 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9403 /* klass = array->vtable->klass->element_class */
9404 load_array_class (mb, aklass);
9406 /* vt = value->vtable */
9407 mono_mb_emit_ldarg (mb, 2);
9408 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9409 mono_mb_emit_byte (mb, CEE_LDIND_I);
9410 mono_mb_emit_stloc (mb, vtable);
9412 /* uiid = klass->interface_id; */
9413 mono_mb_emit_ldloc (mb, aklass);
9414 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
9415 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9416 mono_mb_emit_stloc (mb, uiid);
9418 /*if (uiid > vt->max_interface_id)*/
9419 mono_mb_emit_ldloc (mb, uiid);
9420 mono_mb_emit_ldloc (mb, vtable);
9421 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
9422 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9423 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
9425 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
9427 /*vt->interface_bitmap*/
9428 mono_mb_emit_ldloc (mb, vtable);
9429 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
9430 mono_mb_emit_byte (mb, CEE_LDIND_I);
9433 mono_mb_emit_ldloc (mb, uiid);
9434 mono_mb_emit_icon (mb, 3);
9435 mono_mb_emit_byte (mb, CEE_SHR_UN);
9437 /*vt->interface_bitmap [(uiid) >> 3]*/
9438 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
9439 mono_mb_emit_byte (mb, CEE_LDIND_U1);
9441 /*(1 << ((uiid)&7)))*/
9442 mono_mb_emit_icon (mb, 1);
9443 mono_mb_emit_ldloc (mb, uiid);
9444 mono_mb_emit_icon (mb, 7);
9445 mono_mb_emit_byte (mb, CEE_AND);
9446 mono_mb_emit_byte (mb, CEE_SHL);
9448 /*bitwise and the whole thing*/
9449 mono_mb_emit_byte (mb, CEE_AND);
9450 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9453 mono_mb_patch_branch (mb, b1);
9454 mono_mb_emit_ldloc (mb, array_slot_addr);
9455 mono_mb_emit_ldarg (mb, 2);
9456 mono_mb_emit_byte (mb, CEE_STIND_REF);
9457 mono_mb_emit_byte (mb, CEE_RET);
9460 mono_mb_patch_branch (mb, b2);
9461 mono_mb_patch_branch (mb, b3);
9462 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9466 mono_mb_emit_ldarg (mb, 0);
9467 mono_mb_emit_ldarg (mb, 1);
9468 mono_mb_emit_ldarg (mb, 2);
9469 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
9470 mono_mb_emit_byte (mb, CEE_RET);
9473 #endif /* DISABLE_JIT */
9474 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
9475 info->d.virtual_stelemref.kind = kind;
9476 res = mono_mb_create (mb, signature, 4, info);
9477 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
9479 mono_marshal_lock ();
9480 if (!cached_methods [kind]) {
9481 cached_methods [kind] = res;
9482 mono_marshal_unlock ();
9484 mono_marshal_unlock ();
9485 mono_free_method (res);
9489 return cached_methods [kind];
9493 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
9497 g_assert (array_class->rank == 1);
9498 kind = get_virtual_stelemref_kind (array_class->element_class);
9500 return get_virtual_stelemref_wrapper (kind);
9504 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
9509 *nwrappers = STELEMREF_KIND_COUNT;
9510 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
9511 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
9512 res [i] = get_virtual_stelemref_wrapper (i);
9517 * The wrapper info for the wrapper is a WrapperInfo structure.
9520 mono_marshal_get_stelemref (void)
9522 static MonoMethod* ret = NULL;
9523 MonoMethodSignature *sig;
9524 MonoMethodBuilder *mb;
9527 guint32 b1, b2, b3, b4;
9530 int array_slot_addr;
9535 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
9538 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9540 /* void stelemref (void* array, int idx, void* value) */
9541 sig->ret = &mono_defaults.void_class->byval_arg;
9542 sig->params [0] = &mono_defaults.object_class->byval_arg;
9543 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
9544 sig->params [2] = &mono_defaults.object_class->byval_arg;
9547 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9548 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9549 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
9553 <ldelema (bound check)>
9557 aklass = array->vtable->klass->element_class;
9558 vklass = value->vtable->klass;
9560 if (vklass->idepth < aklass->idepth)
9563 if (vklass->supertypes [aklass->idepth - 1] != aklass)
9567 *array_slot_addr = value;
9571 if (mono_object_isinst (value, aklass))
9574 throw new ArrayTypeMismatchException ();
9577 /* ldelema (implicit bound check) */
9578 mono_mb_emit_ldarg (mb, 0);
9579 mono_mb_emit_ldarg (mb, 1);
9580 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
9581 mono_mb_emit_stloc (mb, array_slot_addr);
9583 /* if (!value) goto do_store */
9584 mono_mb_emit_ldarg (mb, 2);
9585 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
9587 /* aklass = array->vtable->klass->element_class */
9588 mono_mb_emit_ldarg (mb, 0);
9589 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9590 mono_mb_emit_byte (mb, CEE_LDIND_I);
9591 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9592 mono_mb_emit_byte (mb, CEE_LDIND_I);
9593 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
9594 mono_mb_emit_byte (mb, CEE_LDIND_I);
9595 mono_mb_emit_stloc (mb, aklass);
9597 /* vklass = value->vtable->klass */
9598 mono_mb_emit_ldarg (mb, 2);
9599 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9600 mono_mb_emit_byte (mb, CEE_LDIND_I);
9601 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9602 mono_mb_emit_byte (mb, CEE_LDIND_I);
9603 mono_mb_emit_stloc (mb, vklass);
9605 /* if (vklass->idepth < aklass->idepth) goto failue */
9606 mono_mb_emit_ldloc (mb, vklass);
9607 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9608 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9610 mono_mb_emit_ldloc (mb, aklass);
9611 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9612 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9614 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
9616 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
9617 mono_mb_emit_ldloc (mb, vklass);
9618 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
9619 mono_mb_emit_byte (mb, CEE_LDIND_I);
9621 mono_mb_emit_ldloc (mb, aklass);
9622 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
9623 mono_mb_emit_byte (mb, CEE_LDIND_U2);
9624 mono_mb_emit_icon (mb, 1);
9625 mono_mb_emit_byte (mb, CEE_SUB);
9626 mono_mb_emit_icon (mb, sizeof (void*));
9627 mono_mb_emit_byte (mb, CEE_MUL);
9628 mono_mb_emit_byte (mb, CEE_ADD);
9629 mono_mb_emit_byte (mb, CEE_LDIND_I);
9631 mono_mb_emit_ldloc (mb, aklass);
9633 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
9635 copy_pos = mono_mb_get_label (mb);
9637 mono_mb_patch_branch (mb, b1);
9638 mono_mb_emit_ldloc (mb, array_slot_addr);
9639 mono_mb_emit_ldarg (mb, 2);
9640 mono_mb_emit_byte (mb, CEE_STIND_REF);
9642 mono_mb_emit_byte (mb, CEE_RET);
9645 mono_mb_patch_branch (mb, b2);
9646 mono_mb_patch_branch (mb, b3);
9648 mono_mb_emit_ldarg (mb, 2);
9649 mono_mb_emit_ldloc (mb, aklass);
9650 mono_mb_emit_icall (mb, mono_object_isinst);
9652 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9653 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
9654 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
9656 mono_mb_emit_byte (mb, CEE_RET);
9658 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
9659 ret = mono_mb_create (mb, sig, 4, info);
9666 * mono_marshal_get_gsharedvt_in_wrapper:
9668 * This wrapper handles calls from normal code to gsharedvt code.
9670 * The wrapper info for the wrapper is a WrapperInfo structure.
9673 mono_marshal_get_gsharedvt_in_wrapper (void)
9675 static MonoMethod* ret = NULL;
9676 MonoMethodSignature *sig;
9677 MonoMethodBuilder *mb;
9683 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
9685 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
9686 sig->ret = &mono_defaults.void_class->byval_arg;
9690 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
9692 mono_mb_emit_byte (mb, CEE_RET);
9694 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
9695 ret = mono_mb_create (mb, sig, 4, info);
9702 * mono_marshal_get_gsharedvt_out_wrapper:
9704 * This wrapper handles calls from gsharedvt code to normal code.
9706 * The wrapper info for the wrapper is a WrapperInfo structure.
9709 mono_marshal_get_gsharedvt_out_wrapper (void)
9711 static MonoMethod* ret = NULL;
9712 MonoMethodSignature *sig;
9713 MonoMethodBuilder *mb;
9719 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
9721 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
9722 sig->ret = &mono_defaults.void_class->byval_arg;
9726 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
9728 mono_mb_emit_byte (mb, CEE_RET);
9730 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
9731 ret = mono_mb_create (mb, sig, 4, info);
9743 /* LOCKING: vars accessed under the marshal lock */
9744 static ArrayElemAddr *elem_addr_cache = NULL;
9745 static int elem_addr_cache_size = 0;
9746 static int elem_addr_cache_next = 0;
9749 * mono_marshal_get_array_address:
9750 * @rank: rank of the array type
9751 * @elem_size: size in bytes of an element of an array.
9753 * Returns a MonoMethod that implements the code to get the address
9754 * of an element in a multi-dimenasional array of @rank dimensions.
9755 * The returned method takes an array as the first argument and then
9756 * @rank indexes for the @rank dimensions.
9757 * If ELEM_SIZE is 0, read the array size from the array object.
9760 mono_marshal_get_array_address (int rank, int elem_size)
9763 MonoMethodBuilder *mb;
9764 MonoMethodSignature *sig;
9767 int i, bounds, ind, realidx;
9768 int branch_pos, *branch_positions;
9772 mono_marshal_lock ();
9773 for (i = 0; i < elem_addr_cache_next; ++i) {
9774 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9775 ret = elem_addr_cache [i].method;
9779 mono_marshal_unlock ();
9783 branch_positions = g_new0 (int, rank);
9785 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
9787 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
9788 sig->ret = &mono_defaults.int_class->byval_arg;
9789 sig->params [0] = &mono_defaults.object_class->byval_arg;
9790 for (i = 0; i < rank; ++i) {
9791 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
9794 name = g_strdup_printf ("ElementAddr_%d", elem_size);
9795 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9799 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9800 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9801 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
9803 /* bounds = array->bounds; */
9804 mono_mb_emit_ldarg (mb, 0);
9805 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
9806 mono_mb_emit_byte (mb, CEE_LDIND_I);
9807 mono_mb_emit_stloc (mb, bounds);
9809 /* ind is the overall element index, realidx is the partial index in a single dimension */
9810 /* ind = idx0 - bounds [0].lower_bound */
9811 mono_mb_emit_ldarg (mb, 1);
9812 mono_mb_emit_ldloc (mb, bounds);
9813 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9814 mono_mb_emit_byte (mb, CEE_ADD);
9815 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9816 mono_mb_emit_byte (mb, CEE_SUB);
9817 mono_mb_emit_stloc (mb, ind);
9818 /* if (ind >= bounds [0].length) goto exeception; */
9819 mono_mb_emit_ldloc (mb, ind);
9820 mono_mb_emit_ldloc (mb, bounds);
9821 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
9822 mono_mb_emit_byte (mb, CEE_ADD);
9823 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9824 /* note that we use unsigned comparison */
9825 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
9827 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
9828 * We could also decide to ignore the passed elem_size and get it
9829 * from the array object, to reduce the number of methods we generate:
9830 * the additional cost is 3 memory loads and a non-immediate mul.
9832 for (i = 1; i < rank; ++i) {
9833 /* realidx = idxi - bounds [i].lower_bound */
9834 mono_mb_emit_ldarg (mb, 1 + i);
9835 mono_mb_emit_ldloc (mb, bounds);
9836 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
9837 mono_mb_emit_byte (mb, CEE_ADD);
9838 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9839 mono_mb_emit_byte (mb, CEE_SUB);
9840 mono_mb_emit_stloc (mb, realidx);
9841 /* if (realidx >= bounds [i].length) goto exeception; */
9842 mono_mb_emit_ldloc (mb, realidx);
9843 mono_mb_emit_ldloc (mb, bounds);
9844 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
9845 mono_mb_emit_byte (mb, CEE_ADD);
9846 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9847 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
9848 /* ind = ind * bounds [i].length + realidx */
9849 mono_mb_emit_ldloc (mb, ind);
9850 mono_mb_emit_ldloc (mb, bounds);
9851 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
9852 mono_mb_emit_byte (mb, CEE_ADD);
9853 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9854 mono_mb_emit_byte (mb, CEE_MUL);
9855 mono_mb_emit_ldloc (mb, realidx);
9856 mono_mb_emit_byte (mb, CEE_ADD);
9857 mono_mb_emit_stloc (mb, ind);
9860 /* return array->vector + ind * element_size */
9861 mono_mb_emit_ldarg (mb, 0);
9862 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
9863 mono_mb_emit_ldloc (mb, ind);
9865 mono_mb_emit_icon (mb, elem_size);
9867 /* Load arr->vtable->klass->sizes.element_class */
9868 mono_mb_emit_ldarg (mb, 0);
9869 mono_mb_emit_byte (mb, CEE_CONV_I);
9870 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
9871 mono_mb_emit_byte (mb, CEE_ADD);
9872 mono_mb_emit_byte (mb, CEE_LDIND_I);
9873 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
9874 mono_mb_emit_byte (mb, CEE_ADD);
9875 mono_mb_emit_byte (mb, CEE_LDIND_I);
9876 /* sizes is an union, so this reads sizes.element_size */
9877 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoClass, sizes));
9878 mono_mb_emit_byte (mb, CEE_ADD);
9879 mono_mb_emit_byte (mb, CEE_LDIND_I4);
9881 mono_mb_emit_byte (mb, CEE_MUL);
9882 mono_mb_emit_byte (mb, CEE_ADD);
9883 mono_mb_emit_byte (mb, CEE_RET);
9885 /* patch the branches to get here and throw */
9886 for (i = 1; i < rank; ++i) {
9887 mono_mb_patch_branch (mb, branch_positions [i]);
9889 mono_mb_patch_branch (mb, branch_pos);
9890 /* throw exception */
9891 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
9893 g_free (branch_positions);
9894 #endif /* DISABLE_JIT */
9896 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
9897 info->d.element_addr.rank = rank;
9898 info->d.element_addr.elem_size = elem_size;
9899 ret = mono_mb_create (mb, sig, 4, info);
9902 /* cache the result */
9904 mono_marshal_lock ();
9905 for (i = 0; i < elem_addr_cache_next; ++i) {
9906 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
9907 /* FIXME: free ret */
9908 ret = elem_addr_cache [i].method;
9914 if (elem_addr_cache_next >= elem_addr_cache_size) {
9915 int new_size = elem_addr_cache_size + 4;
9916 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
9917 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
9918 g_free (elem_addr_cache);
9919 elem_addr_cache = new_array;
9920 elem_addr_cache_size = new_size;
9922 elem_addr_cache [elem_addr_cache_next].rank = rank;
9923 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
9924 elem_addr_cache [elem_addr_cache_next].method = ret;
9925 elem_addr_cache_next ++;
9927 mono_marshal_unlock ();
9932 * mono_marshal_get_array_accessor_wrapper:
9934 * Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
9937 mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
9939 MonoMethodSignature *sig;
9940 MonoMethodBuilder *mb;
9944 MonoGenericContext *ctx = NULL;
9945 MonoMethod *orig_method = NULL;
9946 MonoGenericContainer *container = NULL;
9950 * These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
9951 * inside runtime invoke wrappers, thereby making the wrappers not unshareable.
9952 * FIXME: Use generic methods.
9959 g_assert_not_reached ();
9961 cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
9962 if ((res = mono_marshal_find_in_cache (cache, method)))
9966 sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
9969 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
9972 /* Call the method */
9974 mono_mb_emit_ldarg (mb, 0);
9975 for (i = 0; i < sig->param_count; i++)
9976 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
9980 mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
9981 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
9983 mono_mb_emit_managed_call (mb, method, NULL);
9985 mono_mb_emit_byte (mb, CEE_RET);
9988 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
9989 info->d.array_accessor.method = method;
9993 def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
9994 res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
9996 res = mono_mb_create_and_cache_full (cache, method,
9997 mb, sig, sig->param_count + 16,
10006 mono_marshal_alloc (gulong size)
10011 res = CoTaskMemAlloc (size);
10013 res = g_try_malloc ((gulong)size);
10015 mono_gc_out_of_memory ((gulong)size);
10021 mono_marshal_free (gpointer ptr)
10024 CoTaskMemFree (ptr);
10031 mono_marshal_free_array (gpointer *ptr, int size)
10038 for (i = 0; i < size; i++)
10044 mono_marshal_string_to_utf16 (MonoString *s)
10046 return s ? mono_string_chars (s) : NULL;
10050 mono_marshal_string_to_utf16_copy (MonoString *s)
10055 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
10056 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
10057 res [mono_string_length (s)] = 0;
10063 * mono_marshal_set_last_error:
10065 * This function is invoked to set the last error value from a P/Invoke call
10066 * which has SetLastError set.
10069 mono_marshal_set_last_error (void)
10072 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
10074 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
10079 mono_marshal_set_last_error_windows (int error)
10082 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
10087 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
10088 gpointer dest, gint32 length)
10093 MONO_CHECK_ARG_NULL (src,);
10094 MONO_CHECK_ARG_NULL (dest,);
10096 if (src->obj.vtable->klass->rank != 1) {
10097 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10100 if (start_index < 0) {
10101 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10105 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10108 if (start_index + length > mono_array_length (src)) {
10109 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10113 element_size = mono_array_element_size (src->obj.vtable->klass);
10115 /* no references should be involved */
10116 source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
10118 memcpy (dest, source_addr, length * element_size);
10122 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
10123 MonoArray *dest, gint32 length)
10128 MONO_CHECK_ARG_NULL (src,);
10129 MONO_CHECK_ARG_NULL (dest,);
10131 if (dest->obj.vtable->klass->rank != 1) {
10132 mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
10135 if (start_index < 0) {
10136 mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
10140 mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
10143 if (start_index + length > mono_array_length (dest)) {
10144 mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
10147 element_size = mono_array_element_size (dest->obj.vtable->klass);
10149 /* no references should be involved */
10150 dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
10152 memcpy (dest_addr, src, length * element_size);
10156 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
10161 return mono_string_new (mono_domain_get (), ptr);
10165 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
10168 mono_set_pending_exception (mono_get_exception_argument_null ("ptr"));
10171 return mono_string_new_len (mono_domain_get (), ptr, len);
10176 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
10178 MonoDomain *domain = mono_domain_get ();
10188 return mono_string_new_utf16 (domain, ptr, len);
10192 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
10194 MonoDomain *domain = mono_domain_get ();
10197 mono_set_pending_exception (mono_get_exception_argument_null ("ptr"));
10200 return mono_string_new_utf16 (domain, ptr, len);
10205 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
10207 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
10211 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
10217 MONO_CHECK_ARG_NULL (rtype, 0);
10219 type = rtype->type;
10220 klass = mono_class_from_mono_type (type);
10221 if (!mono_class_init (klass)) {
10222 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10226 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
10228 if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
10229 return sizeof (gpointer);
10230 } else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10232 MonoException *exc;
10234 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
10235 exc = mono_get_exception_argument ("t", msg);
10237 mono_set_pending_exception (exc);
10241 return mono_class_native_size (klass, NULL);
10245 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
10247 MonoMethod *method;
10250 MONO_CHECK_ARG_NULL (obj,);
10251 MONO_CHECK_ARG_NULL (dst,);
10253 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
10257 pa [2] = &delete_old;
10259 mono_runtime_invoke (method, NULL, pa, NULL);
10263 ptr_to_structure (gpointer src, MonoObject *dst)
10265 MonoMethod *method;
10268 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
10273 mono_runtime_invoke (method, NULL, pa, NULL);
10277 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
10281 MONO_CHECK_ARG_NULL (src,);
10282 MONO_CHECK_ARG_NULL (dst,);
10284 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
10286 if (t->type == MONO_TYPE_VALUETYPE) {
10287 MonoException *exc;
10290 tmp = g_strdup_printf ("Destination is a boxed value type.");
10291 exc = mono_get_exception_argument ("dst", tmp);
10294 mono_set_pending_exception (exc);
10298 ptr_to_structure (src, dst);
10302 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
10305 MonoDomain *domain = mono_domain_get ();
10310 MONO_CHECK_ARG_NULL (type, NULL);
10312 klass = mono_class_from_mono_type (type->type);
10313 if (!mono_class_init (klass)) {
10314 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10318 res = mono_object_new (domain, klass);
10320 ptr_to_structure (src, res);
10326 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
10328 MonoMarshalType *info;
10331 int match_index = -1;
10333 MONO_CHECK_ARG_NULL (type, 0);
10334 MONO_CHECK_ARG_NULL (field_name, 0);
10336 fname = mono_string_to_utf8 (field_name);
10337 klass = mono_class_from_mono_type (type->type);
10338 if (!mono_class_init (klass)) {
10339 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10343 while (klass && match_index == -1) {
10344 MonoClassField* field;
10346 gpointer iter = NULL;
10347 while ((field = mono_class_get_fields (klass, &iter))) {
10348 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10350 if (!strcmp (fname, mono_field_get_name (field))) {
10357 if (match_index == -1)
10358 klass = klass->parent;
10363 if(match_index == -1) {
10364 MonoException* exc;
10367 /* Get back original class instance */
10368 klass = mono_class_from_mono_type (type->type);
10370 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
10371 exc = mono_get_exception_argument ("fieldName", tmp);
10374 mono_set_pending_exception ((MonoException*)exc);
10378 info = mono_marshal_load_type_info (klass);
10379 return info->fields [match_index].offset;
10383 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
10388 tres = mono_string_to_utf8 (string);
10392 len = strlen (tres) + 1;
10393 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
10394 memcpy (ret, tres, len);
10399 return mono_string_to_utf8 (string);
10404 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
10406 if (string == NULL)
10409 #ifdef TARGET_WIN32
10410 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
10411 ((mono_string_length (string) + 1) * 2);
10413 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
10415 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
10416 res [mono_string_length (string)] = 0;
10422 mono_struct_delete_old (MonoClass *klass, char *ptr)
10424 MonoMarshalType *info;
10427 info = mono_marshal_load_type_info (klass);
10429 for (i = 0; i < info->num_fields; i++) {
10430 MonoMarshalConv conv;
10431 MonoType *ftype = info->fields [i].field->type;
10434 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
10437 mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
10438 klass->unicode, &conv);
10440 cpos = ptr + info->fields [i].offset;
10443 case MONO_MARSHAL_CONV_NONE:
10444 if (MONO_TYPE_ISSTRUCT (ftype)) {
10445 mono_struct_delete_old (ftype->data.klass, cpos);
10449 case MONO_MARSHAL_CONV_STR_LPWSTR:
10450 /* We assume this field points inside a MonoString */
10452 case MONO_MARSHAL_CONV_STR_LPTSTR:
10453 #ifdef TARGET_WIN32
10454 /* We assume this field points inside a MonoString
10458 case MONO_MARSHAL_CONV_STR_LPSTR:
10459 case MONO_MARSHAL_CONV_STR_BSTR:
10460 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
10461 case MONO_MARSHAL_CONV_STR_TBSTR:
10462 mono_marshal_free (*(gpointer *)cpos);
10472 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
10476 MONO_CHECK_ARG_NULL (src,);
10477 MONO_CHECK_ARG_NULL (type,);
10479 klass = mono_class_from_mono_type (type->type);
10480 if (!mono_class_init (klass)) {
10481 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10485 mono_struct_delete_old (klass, (char *)src);
10489 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size)
10492 size_t s = (size_t)size;
10495 /* This returns a valid pointer for size 0 on MS.NET */
10499 res = GlobalAlloc (GMEM_FIXED, s);
10501 res = g_try_malloc (s);
10504 mono_gc_out_of_memory (s);
10510 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size)
10513 size_t s = (size_t)size;
10516 mono_gc_out_of_memory (s);
10521 res = GlobalReAlloc (ptr, s, GMEM_MOVEABLE);
10523 res = g_try_realloc (ptr, s);
10526 mono_gc_out_of_memory (s);
10532 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
10542 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
10547 res = CoTaskMemAlloc (size);
10549 if ((gulong)size == 0)
10550 /* This returns a valid pointer for size 0 on MS.NET */
10553 res = g_try_malloc ((gulong)size);
10556 mono_gc_out_of_memory ((gulong)size);
10561 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
10564 CoTaskMemFree (ptr);
10571 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
10576 res = CoTaskMemRealloc (ptr, size);
10578 res = g_try_realloc (ptr, (gulong)size);
10581 mono_gc_out_of_memory ((gulong)size);
10586 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
10588 return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
10592 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
10594 MonoClass *klass = mono_type_get_class (type->type);
10595 if (!mono_class_init (klass)) {
10596 mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
10600 return mono_ftnptr_to_delegate (klass, ftn);
10604 * mono_marshal_is_loading_type_info:
10606 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
10610 mono_marshal_is_loading_type_info (MonoClass *klass)
10612 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
10614 return g_slist_find (loads_list, klass) != NULL;
10618 * mono_marshal_load_type_info:
10620 * Initialize klass->marshal_info using information from metadata. This function can
10621 * recursively call itself, and the caller is responsible to avoid that by calling
10622 * mono_marshal_is_loading_type_info () beforehand.
10624 * LOCKING: Acquires the loader lock.
10627 mono_marshal_load_type_info (MonoClass* klass)
10630 guint32 native_size = 0, min_align = 1, packing;
10631 MonoMarshalType *info;
10632 MonoClassField* field;
10635 GSList *loads_list;
10637 g_assert (klass != NULL);
10639 if (klass->marshal_info)
10640 return klass->marshal_info;
10642 if (!klass->inited)
10643 mono_class_init (klass);
10645 if (klass->marshal_info)
10646 return klass->marshal_info;
10649 * This function can recursively call itself, so we keep the list of classes which are
10650 * under initialization in a TLS list.
10652 g_assert (!mono_marshal_is_loading_type_info (klass));
10653 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
10654 loads_list = g_slist_prepend (loads_list, klass);
10655 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
10658 while ((field = mono_class_get_fields (klass, &iter))) {
10659 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10661 if (mono_field_is_deleted (field))
10666 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
10668 /* The mempool is protected by the loader lock */
10669 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
10670 info->num_fields = count;
10672 /* Try to find a size for this type in metadata */
10673 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
10675 if (klass->parent) {
10676 int parent_size = mono_class_native_size (klass->parent, NULL);
10678 /* Add parent size to real size */
10679 native_size += parent_size;
10680 info->native_size = parent_size;
10683 packing = klass->packing_size ? klass->packing_size : 8;
10686 while ((field = mono_class_get_fields (klass, &iter))) {
10690 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
10693 if (mono_field_is_deleted (field))
10695 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
10696 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
10697 NULL, NULL, &info->fields [j].mspec);
10699 info->fields [j].field = field;
10701 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
10702 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
10703 /* This field is a hack inserted by MCS to empty structures */
10708 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
10709 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
10710 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10711 &align, TRUE, klass->unicode);
10712 align = klass->packing_size ? MIN (klass->packing_size, align): align;
10713 min_align = MAX (align, min_align);
10714 info->fields [j].offset = info->native_size;
10715 info->fields [j].offset += align - 1;
10716 info->fields [j].offset &= ~(align - 1);
10717 info->native_size = info->fields [j].offset + size;
10719 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
10720 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
10721 &align, TRUE, klass->unicode);
10722 min_align = MAX (align, min_align);
10723 info->fields [j].offset = field->offset - sizeof (MonoObject);
10724 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
10730 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
10731 info->native_size = MAX (native_size, info->native_size);
10733 * If the provided Size is equal or larger than the calculated size, and there
10734 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
10736 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
10737 if (native_size && native_size == info->native_size && klass->packing_size == 0)
10740 min_align = MIN (min_align, packing);
10744 if (info->native_size & (min_align - 1)) {
10745 info->native_size += min_align - 1;
10746 info->native_size &= ~(min_align - 1);
10749 info->min_align = min_align;
10751 /* Update the class's blittable info, if the layouts don't match */
10752 if (info->native_size != mono_class_value_size (klass, NULL))
10753 klass->blittable = FALSE;
10755 /* If this is an array type, ensure that we have element info */
10756 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
10757 mono_marshal_load_type_info (klass->element_class);
10760 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
10761 loads_list = g_slist_remove (loads_list, klass);
10762 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
10764 mono_marshal_lock ();
10765 if (!klass->marshal_info) {
10766 /*We do double-checking locking on marshal_info */
10767 mono_memory_barrier ();
10768 klass->marshal_info = info;
10770 mono_marshal_unlock ();
10772 return klass->marshal_info;
10776 * mono_class_native_size:
10779 * Returns: the native size of an object instance (when marshaled
10780 * to unmanaged code)
10783 mono_class_native_size (MonoClass *klass, guint32 *align)
10785 if (!klass->marshal_info) {
10786 if (mono_marshal_is_loading_type_info (klass)) {
10791 mono_marshal_load_type_info (klass);
10796 *align = klass->marshal_info->min_align;
10798 return klass->marshal_info->native_size;
10802 * mono_type_native_stack_size:
10803 * @t: the type to return the size it uses on the stack
10805 * Returns: the number of bytes required to hold an instance of this
10806 * type on the native stack
10809 mono_type_native_stack_size (MonoType *t, guint32 *align)
10813 g_assert (t != NULL);
10819 *align = sizeof (gpointer);
10820 return sizeof (gpointer);
10824 case MONO_TYPE_BOOLEAN:
10825 case MONO_TYPE_CHAR:
10836 case MONO_TYPE_STRING:
10837 case MONO_TYPE_OBJECT:
10838 case MONO_TYPE_CLASS:
10839 case MONO_TYPE_SZARRAY:
10840 case MONO_TYPE_PTR:
10841 case MONO_TYPE_FNPTR:
10842 case MONO_TYPE_ARRAY:
10843 *align = sizeof (gpointer);
10844 return sizeof (gpointer);
10849 *align = MONO_ABI_ALIGNOF (double);
10853 *align = MONO_ABI_ALIGNOF (gint64);
10855 case MONO_TYPE_GENERICINST:
10856 if (!mono_type_generic_inst_is_valuetype (t)) {
10857 *align = sizeof (gpointer);
10858 return sizeof (gpointer);
10861 case MONO_TYPE_TYPEDBYREF:
10862 case MONO_TYPE_VALUETYPE: {
10864 MonoClass *klass = mono_class_from_mono_type (t);
10866 if (klass->enumtype)
10867 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
10869 size = mono_class_native_size (klass, align);
10870 *align = *align + 3;
10880 g_error ("type 0x%02x unknown", t->type);
10886 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
10887 gboolean as_field, gboolean unicode)
10889 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
10892 switch (native_type) {
10893 case MONO_NATIVE_BOOLEAN:
10896 case MONO_NATIVE_I1:
10897 case MONO_NATIVE_U1:
10900 case MONO_NATIVE_I2:
10901 case MONO_NATIVE_U2:
10902 case MONO_NATIVE_VARIANTBOOL:
10905 case MONO_NATIVE_I4:
10906 case MONO_NATIVE_U4:
10907 case MONO_NATIVE_ERROR:
10910 case MONO_NATIVE_I8:
10911 case MONO_NATIVE_U8:
10912 *align = MONO_ABI_ALIGNOF (gint64);
10914 case MONO_NATIVE_R4:
10917 case MONO_NATIVE_R8:
10918 *align = MONO_ABI_ALIGNOF (double);
10920 case MONO_NATIVE_INT:
10921 case MONO_NATIVE_UINT:
10922 case MONO_NATIVE_LPSTR:
10923 case MONO_NATIVE_LPWSTR:
10924 case MONO_NATIVE_LPTSTR:
10925 case MONO_NATIVE_BSTR:
10926 case MONO_NATIVE_ANSIBSTR:
10927 case MONO_NATIVE_TBSTR:
10928 case MONO_NATIVE_LPARRAY:
10929 case MONO_NATIVE_SAFEARRAY:
10930 case MONO_NATIVE_IUNKNOWN:
10931 case MONO_NATIVE_IDISPATCH:
10932 case MONO_NATIVE_INTERFACE:
10933 case MONO_NATIVE_ASANY:
10934 case MONO_NATIVE_FUNC:
10935 case MONO_NATIVE_LPSTRUCT:
10936 *align = MONO_ABI_ALIGNOF (gpointer);
10937 return sizeof (gpointer);
10938 case MONO_NATIVE_STRUCT:
10939 klass = mono_class_from_mono_type (type);
10940 if (klass == mono_defaults.object_class &&
10941 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
10945 return mono_class_native_size (klass, align);
10946 case MONO_NATIVE_BYVALTSTR: {
10947 int esize = unicode ? 2: 1;
10950 return mspec->data.array_data.num_elem * esize;
10952 case MONO_NATIVE_BYVALARRAY: {
10953 // FIXME: Have to consider ArraySubType
10955 klass = mono_class_from_mono_type (type);
10956 if (klass->element_class == mono_defaults.char_class) {
10957 esize = unicode ? 2 : 1;
10960 esize = mono_class_native_size (klass->element_class, align);
10963 return mspec->data.array_data.num_elem * esize;
10965 case MONO_NATIVE_CUSTOM:
10966 *align = sizeof (gpointer);
10967 return sizeof (gpointer);
10969 case MONO_NATIVE_CURRENCY:
10970 case MONO_NATIVE_VBBYREFSTR:
10972 g_error ("native type %02x not implemented", native_type);
10975 g_assert_not_reached ();
10980 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
10988 t = &o->vtable->klass->byval_arg;
10992 case MONO_TYPE_PTR:
10995 case MONO_TYPE_BOOLEAN:
10998 case MONO_TYPE_CHAR:
11003 return mono_object_unbox (o);
11005 case MONO_TYPE_STRING:
11006 switch (string_encoding) {
11007 case MONO_NATIVE_LPWSTR:
11008 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
11010 case MONO_NATIVE_LPSTR:
11011 return mono_string_to_lpstr ((MonoString*)o);
11014 g_warning ("marshaling conversion %d not implemented", string_encoding);
11015 g_assert_not_reached ();
11018 case MONO_TYPE_CLASS:
11019 case MONO_TYPE_VALUETYPE: {
11020 MonoMethod *method;
11023 MonoBoolean delete_old = FALSE;
11025 klass = t->data.klass;
11027 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
11030 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11031 klass->blittable || klass->enumtype))
11032 return mono_object_unbox (o);
11034 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
11036 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11037 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
11041 pa [2] = &delete_old;
11043 mono_runtime_invoke (method, NULL, pa, NULL);
11051 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
11056 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
11064 t = &o->vtable->klass->byval_arg;
11066 case MONO_TYPE_STRING:
11067 switch (string_encoding) {
11068 case MONO_NATIVE_LPWSTR:
11069 case MONO_NATIVE_LPSTR:
11070 mono_marshal_free (ptr);
11073 g_warning ("marshaling conversion %d not implemented", string_encoding);
11074 g_assert_not_reached ();
11077 case MONO_TYPE_CLASS:
11078 case MONO_TYPE_VALUETYPE: {
11079 klass = t->data.klass;
11081 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
11082 klass->blittable || klass->enumtype))
11085 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
11086 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
11092 mono_runtime_invoke (method, NULL, pa, NULL);
11095 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
11096 mono_struct_delete_old (klass, ptr);
11099 mono_marshal_free (ptr);
11108 mono_marshal_get_generic_array_helper (MonoClass *klass, MonoClass *iface, gchar *name, MonoMethod *method)
11110 MonoMethodSignature *sig, *csig;
11111 MonoMethodBuilder *mb;
11116 mb = mono_mb_new_no_dup_name (klass, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
11117 mb->method->slot = -1;
11119 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
11120 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
11122 sig = mono_method_signature (method);
11123 csig = mono_metadata_signature_dup_full (method->klass->image, sig);
11124 csig->generic_param_count = 0;
11126 #ifndef DISABLE_JIT
11127 mono_mb_emit_ldarg (mb, 0);
11128 for (i = 0; i < csig->param_count; i++)
11129 mono_mb_emit_ldarg (mb, i + 1);
11130 mono_mb_emit_managed_call (mb, method, NULL);
11131 mono_mb_emit_byte (mb, CEE_RET);
11133 /* We can corlib internal methods */
11134 mb->skip_visibility = TRUE;
11136 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
11137 info->d.generic_array_helper.method = method;
11138 res = mono_mb_create (mb, csig, csig->param_count + 16, info);
11146 * The mono_win32_compat_* functions are implementations of inline
11147 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
11148 * although not exported by kernel32.
11150 * We map the appropiate kernel32 entries to these functions using
11151 * dllmaps declared in the global etc/mono/config.
11155 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
11157 if (!dest || !source)
11160 memcpy (dest, source, length);
11164 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
11166 memset (dest, fill, length);
11170 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
11172 if (!dest || !source)
11175 memmove (dest, source, length);
11179 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
11181 memset (dest, 0, length);
11185 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
11190 for (i = 0; i < len; ++i)
11194 g_assert (i < len);
11197 while (byte && !(byte & 1))
11199 g_assert (byte == 1);
11202 *bitmask = buf [i];
11206 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
11208 MonoMethodBuilder *mb;
11209 MonoMethodSignature *sig, *csig;
11210 MonoExceptionClause *clause;
11215 int i, param_count, sig_size, pos_leave;
11216 int coop_gc_var, coop_gc_dummy_local;
11220 klass = method->klass;
11221 image = method->klass->image;
11223 cache = get_cache (&mono_method_get_wrapper_cache (method)->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
11225 if ((res = mono_marshal_find_in_cache (cache, method)))
11228 sig = mono_method_signature (method);
11229 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
11231 /* add "this" and exception param */
11232 param_count = sig->param_count + sig->hasthis + 1;
11234 /* dup & extend signature */
11235 csig = mono_metadata_signature_alloc (image, param_count);
11236 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
11237 memcpy (csig, sig, sig_size);
11238 csig->param_count = param_count;
11241 csig->call_convention = MONO_CALL_DEFAULT;
11243 if (sig->hasthis) {
11245 csig->params [0] = &klass->byval_arg;
11246 /* move params up by one */
11247 for (i = 0; i < sig->param_count; i++)
11248 csig->params [i + 1] = sig->params [i];
11251 /* setup exception param as byref+[out] */
11252 csig->params [param_count - 1] = mono_metadata_type_dup (image,
11253 &mono_defaults.exception_class->byval_arg);
11254 csig->params [param_count - 1]->byref = 1;
11255 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
11257 /* convert struct return to object */
11258 if (MONO_TYPE_ISSTRUCT (sig->ret))
11259 csig->ret = &mono_defaults.object_class->byval_arg;
11261 #ifndef DISABLE_JIT
11262 /* local 0 (temp for exception object) */
11263 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
11265 /* local 1 (temp for result) */
11266 if (!MONO_TYPE_IS_VOID (sig->ret))
11267 mono_mb_add_local (mb, sig->ret);
11269 if (mono_threads_is_coop_enabled ()) {
11270 /* local 4, the local to be used when calling the reset_blocking funcs */
11271 /* tons of code hardcode 3 to be the return var */
11272 coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11273 /* local 5, the local used to get a stack address for suspend funcs */
11274 coop_gc_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11277 /* clear exception arg */
11278 mono_mb_emit_ldarg (mb, param_count - 1);
11279 mono_mb_emit_byte (mb, CEE_LDNULL);
11280 mono_mb_emit_byte (mb, CEE_STIND_REF);
11282 if (mono_threads_is_coop_enabled ()) {
11283 /* FIXME this is technically wrong as the callback itself must be executed in gc unsafe context. */
11284 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
11285 mono_mb_emit_icall (mb, mono_threads_reset_blocking_start);
11286 mono_mb_emit_stloc (mb, coop_gc_var);
11290 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
11291 clause->try_offset = mono_mb_get_label (mb);
11293 /* push method's args */
11294 for (i = 0; i < param_count - 1; i++) {
11298 mono_mb_emit_ldarg (mb, i);
11300 /* get the byval type of the param */
11301 klass = mono_class_from_mono_type (csig->params [i]);
11302 type = &klass->byval_arg;
11304 /* unbox struct args */
11305 if (MONO_TYPE_ISSTRUCT (type)) {
11306 mono_mb_emit_op (mb, CEE_UNBOX, klass);
11308 /* byref args & and the "this" arg must remain a ptr.
11309 Otherwise make a copy of the value type */
11310 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
11311 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
11313 csig->params [i] = &mono_defaults.object_class->byval_arg;
11318 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
11319 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
11321 mono_mb_emit_op (mb, CEE_CALL, method);
11323 /* save result at local 1 */
11324 if (!MONO_TYPE_IS_VOID (sig->ret))
11325 mono_mb_emit_stloc (mb, 1);
11327 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
11330 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
11331 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
11332 clause->data.catch_class = mono_defaults.object_class;
11334 clause->handler_offset = mono_mb_get_label (mb);
11336 /* store exception at local 0 */
11337 mono_mb_emit_stloc (mb, 0);
11338 mono_mb_emit_ldarg (mb, param_count - 1);
11339 mono_mb_emit_ldloc (mb, 0);
11340 mono_mb_emit_byte (mb, CEE_STIND_REF);
11341 mono_mb_emit_branch (mb, CEE_LEAVE);
11343 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
11345 mono_mb_set_clauses (mb, 1, clause);
11347 mono_mb_patch_branch (mb, pos_leave);
11350 if (!MONO_TYPE_IS_VOID (sig->ret)) {
11351 mono_mb_emit_ldloc (mb, 1);
11353 /* box the return value */
11354 if (MONO_TYPE_ISSTRUCT (sig->ret))
11355 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
11358 if (mono_threads_is_coop_enabled ()) {
11359 /* XXX merge reset_blocking_end with detach */
11360 mono_mb_emit_ldloc (mb, coop_gc_var);
11361 mono_mb_emit_ldloc_addr (mb, coop_gc_dummy_local);
11362 mono_mb_emit_icall (mb, mono_threads_reset_blocking_end);
11365 mono_mb_emit_byte (mb, CEE_RET);
11368 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
11375 * mono_marshal_free_dynamic_wrappers:
11377 * Free wrappers of the dynamic method METHOD.
11380 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
11382 MonoImage *image = method->klass->image;
11384 g_assert (method_is_dynamic (method));
11386 /* This could be called during shutdown */
11387 if (marshal_mutex_initialized)
11388 mono_marshal_lock ();
11390 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
11391 * they could be shared with other methods ?
11393 if (image->wrapper_caches.runtime_invoke_direct_cache)
11394 g_hash_table_remove (image->wrapper_caches.runtime_invoke_direct_cache, method);
11395 if (image->wrapper_caches.delegate_abstract_invoke_cache)
11396 g_hash_table_foreach_remove (image->wrapper_caches.delegate_abstract_invoke_cache, signature_pointer_pair_matches_pointer, method);
11397 // FIXME: Need to clear the caches in other images as well
11398 if (image->delegate_bound_static_invoke_cache)
11399 g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
11401 if (marshal_mutex_initialized)
11402 mono_marshal_unlock ();