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/debug-helpers.h"
27 #include "mono/metadata/threadpool.h"
28 #include "mono/metadata/threads.h"
29 #include "mono/metadata/monitor.h"
30 #include "mono/metadata/metadata-internals.h"
31 #include "mono/metadata/domain-internals.h"
32 #include "mono/metadata/gc-internal.h"
33 #include "mono/metadata/threads-types.h"
34 #include "mono/metadata/string-icalls.h"
35 #include "mono/metadata/attrdefs.h"
36 #include "mono/metadata/gc-internal.h"
37 #include "mono/metadata/cominterop.h"
38 #include "mono/utils/mono-counters.h"
39 #include "mono/utils/mono-tls.h"
40 #include "mono/utils/mono-memory-model.h"
44 /* #define DEBUG_RUNTIME_CODE */
46 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
50 MONO_MARSHAL_NONE, /* No marshalling needed */
51 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
52 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
53 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
54 } MonoXDomainMarshalType;
57 #include "mono/cil/opcode.def"
62 struct _MonoRemotingMethods {
64 MonoMethod *invoke_with_check;
65 MonoMethod *xdomain_invoke;
66 MonoMethod *xdomain_dispatch;
69 typedef struct _MonoRemotingMethods MonoRemotingMethods;
72 * This mutex protects the various marshalling related caches in MonoImage
73 * and a few other data structures static to this file.
74 * Note that when this lock is held it is not possible to take other runtime
75 * locks like the loader lock.
77 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
78 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
79 static CRITICAL_SECTION marshal_mutex;
80 static gboolean marshal_mutex_initialized;
82 static MonoNativeTlsKey last_error_tls_id;
84 static MonoNativeTlsKey load_type_info_tls_id;
86 static gboolean use_aot_wrappers;
89 delegate_hash_table_add (MonoDelegate *d);
92 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
95 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
98 mono_struct_delete_old (MonoClass *klass, char *ptr);
101 mono_marshal_string_to_utf16 (MonoString *s);
104 mono_marshal_string_to_utf16_copy (MonoString *s);
107 mono_string_to_lpstr (MonoString *string_obj);
109 static MonoStringBuilder *
110 mono_string_utf8_to_builder2 (char *text);
112 static MonoStringBuilder *
113 mono_string_utf16_to_builder2 (gunichar2 *text);
116 mono_string_new_len_wrapper (const char *text, guint length);
119 mono_string_from_byvalwstr (gunichar2 *data, int len);
122 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
125 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, 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_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
138 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
141 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
143 #ifndef DISABLE_REMOTING
145 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
148 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
152 static MonoReflectionType *
153 type_from_handle (MonoType *handle);
156 mono_marshal_set_last_error_windows (int error);
158 static void init_safe_handle (void);
160 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
161 static MonoMethod *sh_dangerous_add_ref;
162 static MonoMethod *sh_dangerous_release;
168 sh_dangerous_add_ref = mono_class_get_method_from_name (
169 mono_defaults.safehandle_class, "DangerousAddRef", 1);
170 sh_dangerous_release = mono_class_get_method_from_name (
171 mono_defaults.safehandle_class, "DangerousRelease", 0);
175 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
177 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
179 mono_register_jit_icall (func, name, sig, save);
182 static MonoMethodSignature*
183 signature_dup (MonoImage *image, MonoMethodSignature *sig)
185 MonoMethodSignature *res;
188 res = mono_metadata_signature_alloc (image, sig->param_count);
189 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
190 memcpy (res, sig, sigsize);
196 mono_signature_no_pinvoke (MonoMethod *method)
198 MonoMethodSignature *sig = mono_method_signature (method);
200 sig = signature_dup (method->klass->image, sig);
201 sig->pinvoke = FALSE;
208 mono_marshal_init (void)
210 static gboolean module_initialized = FALSE;
212 if (!module_initialized) {
213 module_initialized = TRUE;
214 InitializeCriticalSection (&marshal_mutex);
215 marshal_mutex_initialized = TRUE;
216 mono_native_tls_alloc (&last_error_tls_id, NULL);
217 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
219 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
220 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
221 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
222 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
223 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
224 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
225 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
226 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
227 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
228 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
229 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
230 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
231 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
232 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
233 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
234 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
235 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
236 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
237 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
238 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
239 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
240 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
241 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
242 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
243 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
244 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
245 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
246 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
247 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
248 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
249 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
250 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
251 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
252 register_icall (g_free, "g_free", "void ptr", FALSE);
253 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
254 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
255 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
256 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
257 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
258 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
259 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
260 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
261 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
262 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
263 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
264 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
265 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
266 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
268 #ifndef DISABLE_REMOTING
269 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
270 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
272 mono_cominterop_init ();
277 mono_marshal_cleanup (void)
279 mono_cominterop_cleanup ();
281 mono_native_tls_free (load_type_info_tls_id);
282 mono_native_tls_free (last_error_tls_id);
283 DeleteCriticalSection (&marshal_mutex);
284 marshal_mutex_initialized = FALSE;
287 #ifndef DISABLE_REMOTING
288 static MonoClass *byte_array_class;
289 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
290 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
293 mono_remoting_marshal_init (void)
297 static gboolean module_initialized = FALSE;
299 if (!module_initialized) {
300 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
301 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
302 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
303 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
305 klass = mono_defaults.real_proxy_class;
306 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
308 klass = mono_defaults.exception_class;
309 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
311 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
313 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
314 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
316 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
317 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
319 module_initialized = TRUE;
325 mono_delegate_to_ftnptr (MonoDelegate *delegate)
327 MonoMethod *method, *wrapper;
329 uint32_t target_handle = 0;
334 if (delegate->delegate_trampoline)
335 return delegate->delegate_trampoline;
337 klass = ((MonoObject *)delegate)->vtable->klass;
338 g_assert (klass->delegate);
340 method = delegate->method;
342 if (mono_method_signature (method)->pinvoke) {
343 const char *exc_class, *exc_arg;
346 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
348 g_assert (exc_class);
349 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
354 if (delegate->target) {
355 /* Produce a location which can be embedded in JITted code */
356 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
359 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
361 delegate->delegate_trampoline = mono_compile_method (wrapper);
363 // Add the delegate to the delegate hash table
364 delegate_hash_table_add (delegate);
366 /* when the object is collected, collect the dynamic method, too */
367 mono_object_register_finalizer ((MonoObject*)delegate);
369 return delegate->delegate_trampoline;
373 * this hash table maps from a delegate trampoline object to a weak reference
374 * of the delegate. As an optimizations with a non-moving GC we store the
375 * object pointer itself, otherwise we use a GC handle.
377 static GHashTable *delegate_hash_table;
380 delegate_hash_table_new (void) {
381 return g_hash_table_new (NULL, NULL);
385 delegate_hash_table_remove (MonoDelegate *d)
387 guint32 gchandle = 0;
389 mono_marshal_lock ();
390 if (delegate_hash_table == NULL)
391 delegate_hash_table = delegate_hash_table_new ();
392 if (mono_gc_is_moving ())
393 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
394 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
395 mono_marshal_unlock ();
396 if (mono_gc_is_moving ())
397 mono_gchandle_free (gchandle);
401 delegate_hash_table_add (MonoDelegate *d)
404 guint32 old_gchandle;
406 mono_marshal_lock ();
407 if (delegate_hash_table == NULL)
408 delegate_hash_table = delegate_hash_table_new ();
409 if (mono_gc_is_moving ()) {
410 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
411 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
412 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
414 mono_gchandle_free (old_gchandle);
416 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
418 mono_marshal_unlock ();
422 * mono_marshal_use_aot_wrappers:
424 * Instructs this module to use AOT compatible wrappers.
427 mono_marshal_use_aot_wrappers (gboolean use)
429 use_aot_wrappers = use;
433 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
435 static MonoClass *UnmanagedFunctionPointerAttribute;
436 MonoCustomAttrInfo *cinfo;
437 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
439 if (!UnmanagedFunctionPointerAttribute)
440 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
442 /* The attribute is only available in Net 2.0 */
443 if (UnmanagedFunctionPointerAttribute) {
445 * The pinvoke attributes are stored in a real custom attribute so we have to
448 cinfo = mono_custom_attrs_from_class (klass);
449 if (cinfo && !mono_runtime_get_no_exec ()) {
450 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
452 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
455 mono_custom_attrs_free (cinfo);
461 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
469 mono_marshal_lock ();
470 if (delegate_hash_table == NULL)
471 delegate_hash_table = delegate_hash_table_new ();
473 if (mono_gc_is_moving ()) {
474 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
475 mono_marshal_unlock ();
477 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
481 d = g_hash_table_lookup (delegate_hash_table, ftn);
482 mono_marshal_unlock ();
485 /* This is a native function, so construct a delegate for it */
486 MonoMethodSignature *sig;
488 MonoMarshalSpec **mspecs;
489 MonoMethod *invoke = mono_get_delegate_invoke (klass);
490 MonoMethodPInvoke piinfo;
494 if (use_aot_wrappers) {
495 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
496 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
498 memset (&piinfo, 0, sizeof (piinfo));
499 parse_unmanaged_function_pointer_attr (klass, &piinfo);
501 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
502 mono_method_get_marshal_info (invoke, mspecs);
503 /* Freed below so don't alloc from mempool */
504 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
507 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
510 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
512 mono_metadata_free_marshal_spec (mspecs [i]);
517 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
518 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
521 if (d->object.vtable->domain != mono_domain_get ())
522 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
528 mono_delegate_free_ftnptr (MonoDelegate *delegate)
533 delegate_hash_table_remove (delegate);
535 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
537 if (!delegate->target) {
538 /* The wrapper method is shared between delegates -> no need to free it */
545 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
548 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
550 /*the target gchandle is the first entry after size and the wrapper itself.*/
551 gchandle = GPOINTER_TO_UINT (method_data [2]);
554 mono_gchandle_free (gchandle);
556 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
561 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
563 MonoDomain *domain = mono_domain_get ();
569 while (data [len]) len++;
571 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
575 mono_array_to_savearray (MonoArray *array)
580 g_assert_not_reached ();
585 mono_array_to_lparray (MonoArray *array)
587 gpointer *nativeArray = NULL;
588 int nativeArraySize = 0;
597 klass = array->obj.vtable->klass;
599 switch (klass->element_class->byval_arg.type) {
601 g_assert_not_reached ();
604 case MONO_TYPE_CLASS:
605 nativeArraySize = array->max_length;
606 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
607 for(i = 0; i < nativeArraySize; ++i)
608 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
612 case MONO_TYPE_BOOLEAN:
625 case MONO_TYPE_VALUETYPE:
629 case MONO_TYPE_GENERICINST:
630 case MONO_TYPE_OBJECT:
631 case MONO_TYPE_ARRAY:
632 case MONO_TYPE_SZARRAY:
633 case MONO_TYPE_STRING:
635 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
636 g_assert_not_reached ();
639 return array->vector;
643 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
654 klass = array->obj.vtable->klass;
656 switch (klass->element_class->byval_arg.type) {
657 case MONO_TYPE_CLASS:
658 for(i = 0; i < array->max_length; ++i)
659 mono_marshal_free_ccw(nativeArray[i]);
667 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
669 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
671 if (elclass == mono_defaults.byte_class) {
672 GError *error = NULL;
676 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
679 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
683 g_error_free (error);
686 g_assert_not_reached ();
690 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
692 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
694 if (elclass == mono_defaults.byte_class) {
696 GError *error = NULL;
698 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
700 MonoException *exc = mono_get_exception_argument ("string", error->message);
701 g_error_free (error);
702 mono_raise_exception (exc);
705 memcpy (native_arr, as, MIN (strlen (as), elnum));
708 g_assert_not_reached ();
713 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
715 GError *error = NULL;
725 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
727 if (items_written > mono_stringbuilder_capacity (sb))
728 items_written = mono_stringbuilder_capacity (sb);
731 if (! sb->str || sb->str == sb->cached_str)
732 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
734 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
735 sb->length = items_written;
736 sb->cached_str = NULL;
738 g_error_free (error);
744 mono_string_utf8_to_builder2 (char *text)
747 MonoStringBuilder *sb;
748 static MonoClass *string_builder_class;
749 static MonoMethod *sb_ctor;
756 if (!string_builder_class) {
757 MonoMethodDesc *desc;
759 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
760 g_assert (string_builder_class);
761 desc = mono_method_desc_new (":.ctor(int)", FALSE);
762 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
764 mono_method_desc_free (desc);
769 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
772 mono_runtime_invoke (sb_ctor, sb, args, &exc);
775 mono_string_utf8_to_builder (sb, text);
781 * FIXME: This routine does not seem to do what it seems to do
782 * the @text is never copied into the string builder
785 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
792 g_assert (mono_string_chars (sb->str) == text);
794 for (len = 0; text [len] != 0; ++len)
801 mono_string_utf16_to_builder2 (gunichar2 *text)
804 MonoStringBuilder *sb;
805 static MonoClass *string_builder_class;
806 static MonoMethod *sb_ctor;
813 if (!string_builder_class) {
814 MonoMethodDesc *desc;
816 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
817 g_assert (string_builder_class);
818 desc = mono_method_desc_new (":.ctor(int)", FALSE);
819 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
821 mono_method_desc_free (desc);
824 for (len = 0; text [len] != 0; ++len)
827 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
830 mono_runtime_invoke (sb_ctor, sb, args, &exc);
834 memcpy (mono_string_chars (sb->str), text, len * 2);
840 * mono_string_builder_to_utf8:
841 * @sb: the string builder
843 * Converts to utf8 the contents of the MonoStringBuilder.
845 * Returns: a utf8 string with the contents of the StringBuilder.
847 * The return value must be released with g_free.
850 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
852 GError *error = NULL;
853 gchar *tmp, *res = NULL;
858 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
860 * The sb could have been allocated with the default capacity and be empty.
861 * we need to alloc a buffer of the default capacity in this case.
863 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
864 sb->cached_str = NULL;
867 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
869 g_error_free (error);
870 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
872 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
873 memcpy (res, tmp, sb->length + 1);
881 * mono_string_builder_to_utf16:
882 * @sb: the string builder
884 * Converts to utf16 the contents of the MonoStringBuilder.
886 * Returns: a utf16 string with the contents of the StringBuilder.
888 * The return value must not be freed.
891 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
899 * The stringbuilder might not have ownership of this string. If this is
900 * the case, we must duplicate the string, so that we don't munge immutable
903 if (sb->str == sb->cached_str) {
905 * The sb could have been allocated with the default capacity and be empty.
906 * we need to alloc a buffer of the default capacity in this case.
908 if (sb->str->length == 0)
909 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
911 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
912 sb->cached_str = NULL;
916 *(mono_string_chars (sb->str)) = '\0';
918 return mono_string_chars (sb->str);
922 mono_string_to_lpstr (MonoString *s)
927 GError *error = NULL;
933 as = CoTaskMemAlloc (1);
938 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
940 MonoException *exc = mono_get_exception_argument ("string", error->message);
941 g_error_free (error);
942 mono_raise_exception(exc);
945 as = CoTaskMemAlloc (len + 1);
946 memcpy (as, tmp, len + 1);
951 return mono_string_to_utf8 (s);
956 mono_string_to_ansibstr (MonoString *string_obj)
958 g_error ("UnmanagedMarshal.BStr is not implemented.");
963 * mono_string_to_byvalstr:
964 * @dst: Where to store the null-terminated utf8 decoded string.
965 * @src: the MonoString to copy.
966 * @size: the maximum number of bytes to copy.
968 * Copies the MonoString pointed to by @src as a utf8 string
969 * into @dst, it copies at most @size bytes into the destination.
972 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
977 g_assert (dst != NULL);
980 memset (dst, 0, size);
984 s = mono_string_to_utf8 (src);
985 len = MIN (size, strlen (s));
988 memcpy (dst, s, len);
993 * mono_string_to_byvalwstr:
994 * @dst: Where to store the null-terminated utf16 decoded string.
995 * @src: the MonoString to copy.
996 * @size: the maximum number of bytes to copy.
998 * Copies the MonoString pointed to by @src as a utf16 string into
999 * @dst, it copies at most @size bytes into the destination (including
1000 * a terminating 16-bit zero terminator).
1003 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1007 g_assert (dst != NULL);
1008 g_assert (size > 1);
1011 memset (dst, 0, size * 2);
1015 len = MIN (size, (mono_string_length (src)));
1016 memcpy (dst, mono_string_chars (src), size * 2);
1017 if (size <= mono_string_length (src))
1019 *((gunichar2 *) dst + len) = 0;
1023 mono_string_new_len_wrapper (const char *text, guint length)
1025 return mono_string_new_len (mono_domain_get (), text, length);
1029 #ifndef DISABLE_REMOTING
1031 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1034 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1035 mono_mb_emit_byte (mb, CEE_LDIND_I);
1036 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1037 mono_mb_emit_byte (mb, CEE_ADD);
1038 mono_mb_emit_byte (mb, CEE_LDIND_I);
1039 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1040 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1041 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1042 pos = mono_mb_emit_branch (mb, branch_code);
1047 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1050 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1051 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1052 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1053 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1054 mono_mb_emit_icon (mb, -1);
1055 pos = mono_mb_emit_branch (mb, branch_code);
1060 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1062 static int offset = -1;
1066 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1068 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1069 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1070 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1071 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1072 mono_mb_emit_ldflda (mb, offset);
1073 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1074 mono_mb_emit_icon (mb, mask);
1075 mono_mb_emit_byte (mb, CEE_AND);
1076 mono_mb_emit_icon (mb, 0);
1077 return mono_mb_emit_branch (mb, branch_code);
1079 #endif /* DISABLE_REMOTING */
1082 * mono_mb_emit_exception_marshal_directive:
1084 * This function assumes ownership of MSG, which should be malloc-ed.
1087 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1092 s = mono_image_strdup (mb->method->klass->image, msg);
1097 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1101 mono_type_to_ldind (MonoType *type)
1107 switch (type->type) {
1109 return CEE_LDIND_I1;
1111 case MONO_TYPE_BOOLEAN:
1112 return CEE_LDIND_U1;
1114 return CEE_LDIND_I2;
1116 case MONO_TYPE_CHAR:
1117 return CEE_LDIND_U2;
1119 return CEE_LDIND_I4;
1121 return CEE_LDIND_U4;
1125 case MONO_TYPE_FNPTR:
1127 case MONO_TYPE_CLASS:
1128 case MONO_TYPE_STRING:
1129 case MONO_TYPE_OBJECT:
1130 case MONO_TYPE_SZARRAY:
1131 case MONO_TYPE_ARRAY:
1132 return CEE_LDIND_REF;
1135 return CEE_LDIND_I8;
1137 return CEE_LDIND_R4;
1139 return CEE_LDIND_R8;
1140 case MONO_TYPE_VALUETYPE:
1141 if (type->data.klass->enumtype) {
1142 type = mono_class_enum_basetype (type->data.klass);
1146 case MONO_TYPE_TYPEDBYREF:
1148 case MONO_TYPE_GENERICINST:
1149 type = &type->data.generic_class->container_class->byval_arg;
1152 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1158 mono_type_to_stind (MonoType *type)
1164 switch (type->type) {
1167 case MONO_TYPE_BOOLEAN:
1168 return CEE_STIND_I1;
1171 case MONO_TYPE_CHAR:
1172 return CEE_STIND_I2;
1175 return CEE_STIND_I4;
1179 case MONO_TYPE_FNPTR:
1181 case MONO_TYPE_CLASS:
1182 case MONO_TYPE_STRING:
1183 case MONO_TYPE_OBJECT:
1184 case MONO_TYPE_SZARRAY:
1185 case MONO_TYPE_ARRAY:
1186 return CEE_STIND_REF;
1189 return CEE_STIND_I8;
1191 return CEE_STIND_R4;
1193 return CEE_STIND_R8;
1194 case MONO_TYPE_VALUETYPE:
1195 if (type->data.klass->enumtype) {
1196 type = mono_class_enum_basetype (type->data.klass);
1200 case MONO_TYPE_TYPEDBYREF:
1202 case MONO_TYPE_GENERICINST:
1203 type = &type->data.generic_class->container_class->byval_arg;
1206 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1212 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1215 case MONO_MARSHAL_CONV_BOOL_I4:
1216 mono_mb_emit_ldloc (mb, 1);
1217 mono_mb_emit_ldloc (mb, 0);
1218 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1219 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1220 mono_mb_emit_byte (mb, 3);
1221 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1222 mono_mb_emit_byte (mb, CEE_BR_S);
1223 mono_mb_emit_byte (mb, 1);
1224 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1225 mono_mb_emit_byte (mb, CEE_STIND_I1);
1227 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1228 mono_mb_emit_ldloc (mb, 1);
1229 mono_mb_emit_ldloc (mb, 0);
1230 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1231 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1232 mono_mb_emit_byte (mb, 3);
1233 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1234 mono_mb_emit_byte (mb, CEE_BR_S);
1235 mono_mb_emit_byte (mb, 1);
1236 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1237 mono_mb_emit_byte (mb, CEE_STIND_I1);
1239 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1240 MonoClass *eklass = NULL;
1243 if (type->type == MONO_TYPE_SZARRAY) {
1244 eklass = type->data.klass;
1246 g_assert_not_reached ();
1249 esize = mono_class_native_size (eklass, NULL);
1251 /* create a new array */
1252 mono_mb_emit_ldloc (mb, 1);
1253 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1254 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1255 mono_mb_emit_byte (mb, CEE_STIND_I);
1257 if (eklass->blittable) {
1258 /* copy the elements */
1259 mono_mb_emit_ldloc (mb, 1);
1260 mono_mb_emit_byte (mb, CEE_LDIND_I);
1261 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1262 mono_mb_emit_byte (mb, CEE_ADD);
1263 mono_mb_emit_ldloc (mb, 0);
1264 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1265 mono_mb_emit_byte (mb, CEE_PREFIX1);
1266 mono_mb_emit_byte (mb, CEE_CPBLK);
1269 int array_var, src_var, dst_var, index_var;
1270 guint32 label2, label3;
1272 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1273 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1274 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1277 mono_mb_emit_ldloc (mb, 1);
1278 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1279 mono_mb_emit_stloc (mb, array_var);
1281 /* save the old src pointer */
1282 mono_mb_emit_ldloc (mb, 0);
1283 mono_mb_emit_stloc (mb, src_var);
1284 /* save the old dst pointer */
1285 mono_mb_emit_ldloc (mb, 1);
1286 mono_mb_emit_stloc (mb, dst_var);
1288 /* Emit marshalling loop */
1289 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1290 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1291 mono_mb_emit_stloc (mb, index_var);
1294 label2 = mono_mb_get_label (mb);
1295 mono_mb_emit_ldloc (mb, index_var);
1296 mono_mb_emit_ldloc (mb, array_var);
1297 mono_mb_emit_byte (mb, CEE_LDLEN);
1298 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1300 /* src is already set */
1303 mono_mb_emit_ldloc (mb, array_var);
1304 mono_mb_emit_ldloc (mb, index_var);
1305 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1306 mono_mb_emit_stloc (mb, 1);
1308 /* Do the conversion */
1309 emit_struct_conv (mb, eklass, TRUE);
1312 mono_mb_emit_add_to_local (mb, index_var, 1);
1314 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1316 mono_mb_patch_branch (mb, label3);
1318 /* restore the old src pointer */
1319 mono_mb_emit_ldloc (mb, src_var);
1320 mono_mb_emit_stloc (mb, 0);
1321 /* restore the old dst pointer */
1322 mono_mb_emit_ldloc (mb, dst_var);
1323 mono_mb_emit_stloc (mb, 1);
1327 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1328 MonoClass *eclass = mono_defaults.char_class;
1330 /* create a new array */
1331 mono_mb_emit_ldloc (mb, 1);
1332 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1333 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1334 mono_mb_emit_byte (mb, CEE_STIND_REF);
1336 mono_mb_emit_ldloc (mb, 1);
1337 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1338 mono_mb_emit_ldloc (mb, 0);
1339 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1340 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1341 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1344 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1345 mono_mb_emit_ldloc (mb, 1);
1346 mono_mb_emit_ldloc (mb, 0);
1347 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1348 mono_mb_emit_byte (mb, CEE_STIND_REF);
1350 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1351 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1352 mono_mb_emit_ldloc (mb, 1);
1353 mono_mb_emit_ldloc (mb, 0);
1354 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1355 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1357 mono_mb_emit_ldloc (mb, 1);
1358 mono_mb_emit_ldloc (mb, 0);
1359 mono_mb_emit_icall (mb, mono_string_from_utf16);
1361 mono_mb_emit_byte (mb, CEE_STIND_REF);
1363 case MONO_MARSHAL_CONV_STR_LPTSTR:
1364 mono_mb_emit_ldloc (mb, 1);
1365 mono_mb_emit_ldloc (mb, 0);
1366 mono_mb_emit_byte (mb, CEE_LDIND_I);
1368 mono_mb_emit_icall (mb, mono_string_from_utf16);
1370 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1372 mono_mb_emit_byte (mb, CEE_STIND_REF);
1374 case MONO_MARSHAL_CONV_STR_LPSTR:
1375 mono_mb_emit_ldloc (mb, 1);
1376 mono_mb_emit_ldloc (mb, 0);
1377 mono_mb_emit_byte (mb, CEE_LDIND_I);
1378 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1379 mono_mb_emit_byte (mb, CEE_STIND_REF);
1381 case MONO_MARSHAL_CONV_STR_LPWSTR:
1382 mono_mb_emit_ldloc (mb, 1);
1383 mono_mb_emit_ldloc (mb, 0);
1384 mono_mb_emit_byte (mb, CEE_LDIND_I);
1385 mono_mb_emit_icall (mb, mono_string_from_utf16);
1386 mono_mb_emit_byte (mb, CEE_STIND_REF);
1388 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1389 MonoClass *klass = mono_class_from_mono_type (type);
1390 int src_var, dst_var;
1392 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1393 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1395 /* *dst = new object */
1396 mono_mb_emit_ldloc (mb, 1);
1397 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1398 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1399 mono_mb_emit_byte (mb, CEE_STIND_REF);
1401 /* save the old src pointer */
1402 mono_mb_emit_ldloc (mb, 0);
1403 mono_mb_emit_stloc (mb, src_var);
1404 /* save the old dst pointer */
1405 mono_mb_emit_ldloc (mb, 1);
1406 mono_mb_emit_stloc (mb, dst_var);
1408 /* dst = pointer to newly created object data */
1409 mono_mb_emit_ldloc (mb, 1);
1410 mono_mb_emit_byte (mb, CEE_LDIND_I);
1411 mono_mb_emit_icon (mb, sizeof (MonoObject));
1412 mono_mb_emit_byte (mb, CEE_ADD);
1413 mono_mb_emit_stloc (mb, 1);
1415 emit_struct_conv (mb, klass, TRUE);
1417 /* restore the old src pointer */
1418 mono_mb_emit_ldloc (mb, src_var);
1419 mono_mb_emit_stloc (mb, 0);
1420 /* restore the old dst pointer */
1421 mono_mb_emit_ldloc (mb, dst_var);
1422 mono_mb_emit_stloc (mb, 1);
1425 case MONO_MARSHAL_CONV_DEL_FTN: {
1426 MonoClass *klass = mono_class_from_mono_type (type);
1428 mono_mb_emit_ldloc (mb, 1);
1429 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1430 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1431 mono_mb_emit_ldloc (mb, 0);
1432 mono_mb_emit_byte (mb, CEE_LDIND_I);
1433 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1434 mono_mb_emit_byte (mb, CEE_STIND_REF);
1437 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1438 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1442 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1443 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1444 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1445 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1447 #endif /* DISABLE_COM */
1449 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1451 * Passing SafeHandles as ref does not allow the unmanaged code
1452 * to change the SafeHandle value. If the value is changed,
1453 * we should issue a diagnostic exception (NotSupportedException)
1454 * that informs the user that changes to handles in unmanaged code
1457 * Since we currently have no access to the original
1458 * SafeHandle that was used during the marshalling,
1459 * for now we just ignore this, and ignore/discard any
1460 * changes that might have happened to the handle.
1465 case MONO_MARSHAL_CONV_HANDLEREF: {
1467 * Passing HandleRefs in a struct that is ref()ed does not
1468 * copy the values back to the HandleRef
1473 case MONO_MARSHAL_CONV_STR_BSTR:
1474 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1475 case MONO_MARSHAL_CONV_STR_TBSTR:
1476 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1478 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1480 mono_mb_emit_exception_marshal_directive (mb, msg);
1487 conv_to_icall (MonoMarshalConv conv)
1490 case MONO_MARSHAL_CONV_STR_LPWSTR:
1491 return mono_marshal_string_to_utf16;
1492 case MONO_MARSHAL_CONV_LPWSTR_STR:
1493 return mono_string_from_utf16;
1494 case MONO_MARSHAL_CONV_LPTSTR_STR:
1495 return mono_string_new_wrapper;
1496 case MONO_MARSHAL_CONV_LPSTR_STR:
1497 return mono_string_new_wrapper;
1498 case MONO_MARSHAL_CONV_STR_LPTSTR:
1500 return mono_marshal_string_to_utf16;
1502 return mono_string_to_lpstr;
1504 case MONO_MARSHAL_CONV_STR_LPSTR:
1505 return mono_string_to_lpstr;
1506 case MONO_MARSHAL_CONV_STR_BSTR:
1507 return mono_string_to_bstr;
1508 case MONO_MARSHAL_CONV_BSTR_STR:
1509 return mono_string_from_bstr;
1510 case MONO_MARSHAL_CONV_STR_TBSTR:
1511 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1512 return mono_string_to_ansibstr;
1513 case MONO_MARSHAL_CONV_SB_LPSTR:
1514 return mono_string_builder_to_utf8;
1515 case MONO_MARSHAL_CONV_SB_LPTSTR:
1517 return mono_string_builder_to_utf16;
1519 return mono_string_builder_to_utf8;
1521 case MONO_MARSHAL_CONV_SB_LPWSTR:
1522 return mono_string_builder_to_utf16;
1523 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1524 return mono_array_to_savearray;
1525 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1526 return mono_array_to_lparray;
1527 case MONO_MARSHAL_FREE_LPARRAY:
1528 return mono_free_lparray;
1529 case MONO_MARSHAL_CONV_DEL_FTN:
1530 return mono_delegate_to_ftnptr;
1531 case MONO_MARSHAL_CONV_FTN_DEL:
1532 return mono_ftnptr_to_delegate;
1533 case MONO_MARSHAL_CONV_LPSTR_SB:
1534 return mono_string_utf8_to_builder;
1535 case MONO_MARSHAL_CONV_LPTSTR_SB:
1537 return mono_string_utf16_to_builder;
1539 return mono_string_utf8_to_builder;
1541 case MONO_MARSHAL_CONV_LPWSTR_SB:
1542 return mono_string_utf16_to_builder;
1543 case MONO_MARSHAL_FREE_ARRAY:
1544 return mono_marshal_free_array;
1545 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1546 return mono_string_to_byvalstr;
1547 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1548 return mono_string_to_byvalwstr;
1550 g_assert_not_reached ();
1557 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1562 case MONO_MARSHAL_CONV_BOOL_I4:
1563 mono_mb_emit_ldloc (mb, 1);
1564 mono_mb_emit_ldloc (mb, 0);
1565 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1566 mono_mb_emit_byte (mb, CEE_STIND_I4);
1568 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1569 mono_mb_emit_ldloc (mb, 1);
1570 mono_mb_emit_ldloc (mb, 0);
1571 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1572 mono_mb_emit_byte (mb, CEE_NEG);
1573 mono_mb_emit_byte (mb, CEE_STIND_I2);
1575 case MONO_MARSHAL_CONV_STR_LPWSTR:
1576 case MONO_MARSHAL_CONV_STR_LPSTR:
1577 case MONO_MARSHAL_CONV_STR_LPTSTR:
1578 case MONO_MARSHAL_CONV_STR_BSTR:
1579 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1580 case MONO_MARSHAL_CONV_STR_TBSTR: {
1583 /* free space if free == true */
1584 mono_mb_emit_ldloc (mb, 2);
1585 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1586 mono_mb_emit_ldloc (mb, 1);
1587 mono_mb_emit_byte (mb, CEE_LDIND_I);
1588 mono_mb_emit_icall (mb, g_free);
1589 mono_mb_patch_short_branch (mb, pos);
1591 mono_mb_emit_ldloc (mb, 1);
1592 mono_mb_emit_ldloc (mb, 0);
1593 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1594 mono_mb_emit_icall (mb, conv_to_icall (conv));
1595 mono_mb_emit_byte (mb, CEE_STIND_I);
1598 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1599 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1600 case MONO_MARSHAL_CONV_DEL_FTN:
1601 mono_mb_emit_ldloc (mb, 1);
1602 mono_mb_emit_ldloc (mb, 0);
1603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1604 mono_mb_emit_icall (mb, conv_to_icall (conv));
1605 mono_mb_emit_byte (mb, CEE_STIND_I);
1607 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1608 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1611 mono_mb_emit_ldloc (mb, 1); /* dst */
1612 mono_mb_emit_ldloc (mb, 0);
1613 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1614 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1615 mono_mb_emit_icall (mb, conv_to_icall (conv));
1618 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1619 MonoClass *eklass = NULL;
1622 if (type->type == MONO_TYPE_SZARRAY) {
1623 eklass = type->data.klass;
1625 g_assert_not_reached ();
1628 if (eklass->valuetype)
1629 esize = mono_class_native_size (eklass, NULL);
1631 esize = sizeof (gpointer);
1633 mono_mb_emit_ldloc (mb, 0);
1634 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1635 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1637 if (eklass->blittable) {
1638 mono_mb_emit_ldloc (mb, 1);
1639 mono_mb_emit_ldloc (mb, 0);
1640 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1641 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1642 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1643 mono_mb_emit_byte (mb, CEE_PREFIX1);
1644 mono_mb_emit_byte (mb, CEE_CPBLK);
1646 int array_var, src_var, dst_var, index_var;
1647 guint32 label2, label3;
1649 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1650 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1651 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1654 mono_mb_emit_ldloc (mb, 0);
1655 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1656 mono_mb_emit_stloc (mb, array_var);
1658 /* save the old src pointer */
1659 mono_mb_emit_ldloc (mb, 0);
1660 mono_mb_emit_stloc (mb, src_var);
1661 /* save the old dst pointer */
1662 mono_mb_emit_ldloc (mb, 1);
1663 mono_mb_emit_stloc (mb, dst_var);
1665 /* Emit marshalling loop */
1666 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1667 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1668 mono_mb_emit_stloc (mb, index_var);
1671 label2 = mono_mb_get_label (mb);
1672 mono_mb_emit_ldloc (mb, index_var);
1673 mono_mb_emit_ldloc (mb, array_var);
1674 mono_mb_emit_byte (mb, CEE_LDLEN);
1675 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1678 mono_mb_emit_ldloc (mb, array_var);
1679 mono_mb_emit_ldloc (mb, index_var);
1680 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1681 mono_mb_emit_stloc (mb, 0);
1683 /* dst is already set */
1685 /* Do the conversion */
1686 emit_struct_conv (mb, eklass, FALSE);
1689 mono_mb_emit_add_to_local (mb, index_var, 1);
1691 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1693 mono_mb_patch_branch (mb, label3);
1695 /* restore the old src pointer */
1696 mono_mb_emit_ldloc (mb, src_var);
1697 mono_mb_emit_stloc (mb, 0);
1698 /* restore the old dst pointer */
1699 mono_mb_emit_ldloc (mb, dst_var);
1700 mono_mb_emit_stloc (mb, 1);
1703 mono_mb_patch_branch (mb, pos);
1706 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1707 mono_mb_emit_ldloc (mb, 0);
1708 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1709 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1711 mono_mb_emit_ldloc (mb, 1);
1712 mono_mb_emit_ldloc (mb, 0);
1713 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1714 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1715 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1716 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1717 mono_mb_patch_short_branch (mb, pos);
1720 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1721 int src_var, dst_var;
1723 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1724 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1726 mono_mb_emit_ldloc (mb, 0);
1727 mono_mb_emit_byte (mb, CEE_LDIND_I);
1728 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1730 /* save the old src pointer */
1731 mono_mb_emit_ldloc (mb, 0);
1732 mono_mb_emit_stloc (mb, src_var);
1733 /* save the old dst pointer */
1734 mono_mb_emit_ldloc (mb, 1);
1735 mono_mb_emit_stloc (mb, dst_var);
1737 /* src = pointer to object data */
1738 mono_mb_emit_ldloc (mb, 0);
1739 mono_mb_emit_byte (mb, CEE_LDIND_I);
1740 mono_mb_emit_icon (mb, sizeof (MonoObject));
1741 mono_mb_emit_byte (mb, CEE_ADD);
1742 mono_mb_emit_stloc (mb, 0);
1744 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1746 /* restore the old src pointer */
1747 mono_mb_emit_ldloc (mb, src_var);
1748 mono_mb_emit_stloc (mb, 0);
1749 /* restore the old dst pointer */
1750 mono_mb_emit_ldloc (mb, dst_var);
1751 mono_mb_emit_stloc (mb, 1);
1753 mono_mb_patch_branch (mb, pos);
1758 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1759 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1760 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1761 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1763 #endif /* DISABLE_COM */
1765 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1766 int dar_release_slot, pos;
1768 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1771 * The following is ifdefed-out, because I have no way of doing the
1772 * DangerousRelease when destroying the structure
1775 /* set release = false */
1776 mono_mb_emit_icon (mb, 0);
1777 mono_mb_emit_stloc (mb, dar_release_slot);
1778 if (!sh_dangerous_add_ref)
1779 init_safe_handle ();
1781 /* safehandle.DangerousAddRef (ref release) */
1782 mono_mb_emit_ldloc (mb, 0); /* the source */
1783 mono_mb_emit_byte (mb, CEE_LDIND_I);
1784 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1785 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1787 mono_mb_emit_ldloc (mb, 0);
1788 mono_mb_emit_byte (mb, CEE_LDIND_I);
1789 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1790 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1791 mono_mb_patch_branch (mb, pos);
1793 /* Pull the handle field from SafeHandle */
1794 mono_mb_emit_ldloc (mb, 1);
1795 mono_mb_emit_ldloc (mb, 0);
1796 mono_mb_emit_byte (mb, CEE_LDIND_I);
1797 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1798 mono_mb_emit_byte (mb, CEE_LDIND_I);
1799 mono_mb_emit_byte (mb, CEE_STIND_I);
1803 case MONO_MARSHAL_CONV_HANDLEREF: {
1804 mono_mb_emit_ldloc (mb, 1);
1805 mono_mb_emit_ldloc (mb, 0);
1806 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1807 mono_mb_emit_byte (mb, CEE_ADD);
1808 mono_mb_emit_byte (mb, CEE_LDIND_I);
1809 mono_mb_emit_byte (mb, CEE_STIND_I);
1814 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1815 MonoException *exc = mono_get_exception_not_implemented (msg);
1816 g_warning ("%s", msg);
1818 mono_raise_exception (exc);
1824 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1825 MonoMarshalNative string_encoding)
1827 MonoMarshalType *info;
1831 emit_struct_conv(mb, klass->parent, to_object);
1833 info = mono_marshal_load_type_info (klass);
1835 if (info->native_size == 0)
1838 if (klass->blittable) {
1839 int msize = mono_class_value_size (klass, NULL);
1840 g_assert (msize == info->native_size);
1841 mono_mb_emit_ldloc (mb, 1);
1842 mono_mb_emit_ldloc (mb, 0);
1843 mono_mb_emit_icon (mb, msize);
1844 mono_mb_emit_byte (mb, CEE_PREFIX1);
1845 mono_mb_emit_byte (mb, CEE_CPBLK);
1847 mono_mb_emit_add_to_local (mb, 0, msize);
1848 mono_mb_emit_add_to_local (mb, 1, msize);
1852 if (klass != mono_defaults.safehandle_class) {
1853 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1854 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1855 mono_type_full_name (&klass->byval_arg));
1856 mono_mb_emit_exception_marshal_directive (mb, msg);
1861 for (i = 0; i < info->num_fields; i++) {
1862 MonoMarshalNative ntype;
1863 MonoMarshalConv conv;
1864 MonoType *ftype = info->fields [i].field->type;
1867 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1869 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1872 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1875 msize = klass->instance_size - info->fields [i].field->offset;
1876 usize = info->native_size - info->fields [i].offset;
1878 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1879 usize = info->fields [i + 1].offset - info->fields [i].offset;
1882 if (klass != mono_defaults.safehandle_class){
1884 * FIXME: Should really check for usize==0 and msize>0, but we apply
1885 * the layout to the managed structure as well.
1888 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1889 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1890 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1891 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1892 "reference field at the same offset as another field.",
1893 mono_type_full_name (&klass->byval_arg));
1898 case MONO_MARSHAL_CONV_NONE: {
1901 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1902 ftype->type == MONO_TYPE_U) {
1903 mono_mb_emit_ldloc (mb, 1);
1904 mono_mb_emit_ldloc (mb, 0);
1905 mono_mb_emit_byte (mb, CEE_LDIND_I);
1906 mono_mb_emit_byte (mb, CEE_STIND_I);
1917 case MONO_TYPE_BOOLEAN:
1920 case MONO_TYPE_CHAR:
1926 mono_mb_emit_ldloc (mb, 1);
1927 mono_mb_emit_ldloc (mb, 0);
1928 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1930 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1931 mono_mb_emit_byte (mb, CEE_STIND_I2);
1933 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1934 mono_mb_emit_byte (mb, CEE_STIND_I1);
1937 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1938 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1941 case MONO_TYPE_VALUETYPE: {
1942 int src_var, dst_var;
1944 if (ftype->data.klass->enumtype) {
1945 ftype = mono_class_enum_basetype (ftype->data.klass);
1949 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1950 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1952 /* save the old src pointer */
1953 mono_mb_emit_ldloc (mb, 0);
1954 mono_mb_emit_stloc (mb, src_var);
1955 /* save the old dst pointer */
1956 mono_mb_emit_ldloc (mb, 1);
1957 mono_mb_emit_stloc (mb, dst_var);
1959 emit_struct_conv (mb, ftype->data.klass, to_object);
1961 /* restore the old src pointer */
1962 mono_mb_emit_ldloc (mb, src_var);
1963 mono_mb_emit_stloc (mb, 0);
1964 /* restore the old dst pointer */
1965 mono_mb_emit_ldloc (mb, dst_var);
1966 mono_mb_emit_stloc (mb, 1);
1969 case MONO_TYPE_OBJECT: {
1971 mono_init_com_types ();
1973 static MonoMethod *variant_clear = NULL;
1974 static MonoMethod *get_object_for_native_variant = NULL;
1977 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1978 if (!get_object_for_native_variant)
1979 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1980 mono_mb_emit_ldloc (mb, 1);
1981 mono_mb_emit_ldloc (mb, 0);
1982 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1983 mono_mb_emit_byte (mb, CEE_STIND_REF);
1985 mono_mb_emit_ldloc (mb, 0);
1986 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1989 static MonoMethod *get_native_variant_for_object = NULL;
1991 if (!get_native_variant_for_object)
1992 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1994 mono_mb_emit_ldloc (mb, 0);
1995 mono_mb_emit_byte(mb, CEE_LDIND_REF);
1996 mono_mb_emit_ldloc (mb, 1);
1997 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2000 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2001 mono_mb_emit_exception_marshal_directive (mb, msg);
2007 g_warning ("marshaling type %02x not implemented", ftype->type);
2008 g_assert_not_reached ();
2013 int src_var, dst_var;
2015 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2016 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2018 /* save the old src pointer */
2019 mono_mb_emit_ldloc (mb, 0);
2020 mono_mb_emit_stloc (mb, src_var);
2021 /* save the old dst pointer */
2022 mono_mb_emit_ldloc (mb, 1);
2023 mono_mb_emit_stloc (mb, dst_var);
2026 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2028 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2030 /* restore the old src pointer */
2031 mono_mb_emit_ldloc (mb, src_var);
2032 mono_mb_emit_stloc (mb, 0);
2033 /* restore the old dst pointer */
2034 mono_mb_emit_ldloc (mb, dst_var);
2035 mono_mb_emit_stloc (mb, 1);
2040 mono_mb_emit_add_to_local (mb, 0, usize);
2041 mono_mb_emit_add_to_local (mb, 1, msize);
2043 mono_mb_emit_add_to_local (mb, 0, msize);
2044 mono_mb_emit_add_to_local (mb, 1, usize);
2050 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2052 emit_struct_conv_full (mb, klass, to_object, -1);
2056 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2058 /* Call DestroyStructure */
2059 /* FIXME: Only do this if needed */
2060 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2061 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2062 mono_mb_emit_ldloc (mb, struct_var);
2063 mono_mb_emit_icall (mb, mono_struct_delete_old);
2067 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2071 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2072 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2073 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2075 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2076 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2078 mono_mb_emit_icall (mb, checkpoint_func);
2080 mono_mb_patch_branch (mb, pos_noabort);
2084 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2086 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2089 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2093 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2095 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2099 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2101 emit_thread_interrupt_checkpoint (mb);
2104 #endif /* DISABLE_JIT */
2106 static MonoAsyncResult *
2107 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2109 MonoMethodMessage *msg;
2110 MonoDelegate *async_callback;
2111 MonoMulticastDelegate *mcast_delegate;
2115 MonoMethod *method = NULL, *method2 = NULL;
2117 g_assert (delegate);
2118 mcast_delegate = (MonoMulticastDelegate *) delegate;
2119 if (mcast_delegate->prev != NULL)
2120 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2122 #ifndef DISABLE_REMOTING
2123 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2125 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2126 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2128 /* If the target is a proxy, make a direct call. Is proxy's work
2129 // to make the call asynchronous.
2131 MonoAsyncResult *ares;
2133 MonoArray *out_args;
2134 method = delegate->method;
2136 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2137 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2138 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2139 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2140 MONO_OBJECT_SETREF (msg, async_result, ares);
2141 msg->call_type = CallType_BeginInvoke;
2144 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2146 mono_raise_exception ((MonoException *) exc);
2152 klass = delegate->object.vtable->klass;
2154 method = mono_get_delegate_invoke (klass);
2155 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2158 g_assert (method != NULL);
2160 im = mono_get_delegate_invoke (method->klass);
2161 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2163 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2169 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2171 int i, params_var, tmp_var;
2173 /* allocate local (pointer) *params[] */
2174 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2175 /* allocate local (pointer) tmp */
2176 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2178 /* alloate space on stack to store an array of pointers to the arguments */
2179 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2180 mono_mb_emit_byte (mb, CEE_PREFIX1);
2181 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2182 mono_mb_emit_stloc (mb, params_var);
2185 mono_mb_emit_ldloc (mb, params_var);
2186 mono_mb_emit_stloc (mb, tmp_var);
2188 if (save_this && sig->hasthis) {
2189 mono_mb_emit_ldloc (mb, tmp_var);
2190 mono_mb_emit_ldarg_addr (mb, 0);
2191 mono_mb_emit_byte (mb, CEE_STIND_I);
2192 /* tmp = tmp + sizeof (gpointer) */
2193 if (sig->param_count)
2194 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2198 for (i = 0; i < sig->param_count; i++) {
2199 mono_mb_emit_ldloc (mb, tmp_var);
2200 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2201 mono_mb_emit_byte (mb, CEE_STIND_I);
2202 /* tmp = tmp + sizeof (gpointer) */
2203 if (i < (sig->param_count - 1))
2204 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2210 #endif /* DISABLE_JIT */
2213 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2217 GString *res = g_string_new ("");
2220 g_string_append (res, prefix);
2221 g_string_append_c (res, '_');
2224 mono_type_get_desc (res, sig->ret, FALSE);
2227 g_string_append (res, "__this__");
2229 for (i = 0; i < sig->param_count; ++i) {
2230 g_string_append_c (res, '_');
2231 mono_type_get_desc (res, sig->params [i], FALSE);
2234 g_string_free (res, FALSE);
2239 * mono_marshal_get_string_encoding:
2241 * Return the string encoding which should be used for a given parameter.
2243 static MonoMarshalNative
2244 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2246 /* First try the parameter marshal info */
2248 if (spec->native == MONO_NATIVE_LPARRAY) {
2249 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2250 return spec->data.array_data.elem_type;
2253 return spec->native;
2257 return MONO_NATIVE_LPSTR;
2259 /* Then try the method level marshal info */
2260 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2261 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2262 return MONO_NATIVE_LPSTR;
2263 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2264 return MONO_NATIVE_LPWSTR;
2265 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2267 return MONO_NATIVE_LPWSTR;
2269 return MONO_NATIVE_LPSTR;
2272 return MONO_NATIVE_LPSTR;
2276 static MonoMarshalConv
2277 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2279 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2282 case MONO_NATIVE_LPWSTR:
2283 return MONO_MARSHAL_CONV_STR_LPWSTR;
2284 case MONO_NATIVE_LPSTR:
2285 case MONO_NATIVE_VBBYREFSTR:
2286 return MONO_MARSHAL_CONV_STR_LPSTR;
2287 case MONO_NATIVE_LPTSTR:
2288 return MONO_MARSHAL_CONV_STR_LPTSTR;
2289 case MONO_NATIVE_BSTR:
2290 return MONO_MARSHAL_CONV_STR_BSTR;
2296 static MonoMarshalConv
2297 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2299 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2302 case MONO_NATIVE_LPWSTR:
2303 return MONO_MARSHAL_CONV_SB_LPWSTR;
2305 case MONO_NATIVE_LPSTR:
2306 return MONO_MARSHAL_CONV_SB_LPSTR;
2308 case MONO_NATIVE_LPTSTR:
2309 return MONO_MARSHAL_CONV_SB_LPTSTR;
2316 static MonoMarshalConv
2317 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2319 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2324 case MONO_NATIVE_LPWSTR:
2326 return MONO_MARSHAL_CONV_LPWSTR_STR;
2327 case MONO_NATIVE_LPSTR:
2328 case MONO_NATIVE_VBBYREFSTR:
2329 return MONO_MARSHAL_CONV_LPSTR_STR;
2330 case MONO_NATIVE_LPTSTR:
2331 return MONO_MARSHAL_CONV_LPTSTR_STR;
2332 case MONO_NATIVE_BSTR:
2333 return MONO_MARSHAL_CONV_BSTR_STR;
2339 static MonoMarshalConv
2340 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2342 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2347 case MONO_NATIVE_LPWSTR:
2349 * mono_string_builder_to_utf16 does not allocate a
2350 * new buffer, so no need to free it.
2353 return MONO_MARSHAL_CONV_LPWSTR_SB;
2354 case MONO_NATIVE_LPSTR:
2355 return MONO_MARSHAL_CONV_LPSTR_SB;
2357 case MONO_NATIVE_LPTSTR:
2358 return MONO_MARSHAL_CONV_LPTSTR_SB;
2366 * Return whenever a field of a native structure or an array member needs to
2370 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2372 MonoMarshalNative encoding;
2373 MonoMarshalConv conv;
2376 case MONO_TYPE_VALUETYPE:
2377 /* FIXME: Optimize this */
2379 case MONO_TYPE_OBJECT:
2380 case MONO_TYPE_CLASS:
2381 if (t->data.klass == mono_defaults.stringbuilder_class) {
2383 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2387 case MONO_TYPE_STRING:
2388 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2389 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2396 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2399 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2402 mono_marshal_lock ();
2405 g_hash_table_new (hash_func, equal_func);
2406 mono_memory_barrier ();
2409 mono_marshal_unlock ();
2415 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2418 mono_marshal_lock ();
2421 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2422 mono_memory_barrier ();
2425 mono_marshal_unlock ();
2431 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2433 return get_cache (var, hash_func, equal_func);
2437 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2441 mono_marshal_lock ();
2442 res = g_hash_table_lookup (cache, key);
2443 mono_marshal_unlock ();
2447 /* Create the method from the builder and place it in the cache */
2449 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2450 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2455 mono_marshal_lock ();
2456 res = g_hash_table_lookup (cache, key);
2457 mono_marshal_unlock ();
2460 newm = mono_mb_create_method (mb, sig, max_stack);
2461 mono_marshal_lock ();
2462 res = g_hash_table_lookup (cache, key);
2465 g_hash_table_insert (cache, key, res);
2466 mono_marshal_set_wrapper_info (res, key);
2467 mono_marshal_unlock ();
2469 mono_marshal_unlock ();
2470 mono_free_method (newm);
2478 static inline MonoMethod*
2479 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2481 MonoMethod *res = NULL;
2482 MonoRemotingMethods *wrps;
2484 mono_marshal_lock ();
2485 if (method->klass->image->remoting_invoke_cache)
2486 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2491 switch (wrapper_type) {
2492 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2493 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2494 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2495 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2499 /* it is important to do the unlock after the load from wrps, since in
2500 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2501 * to take the loader lock and some other thread may set the fields.
2503 mono_marshal_unlock ();
2507 /* Create the method from the builder and place it in the cache */
2508 static inline MonoMethod*
2509 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2510 MonoMethodSignature *sig, int max_stack)
2512 MonoMethod **res = NULL;
2513 MonoRemotingMethods *wrps;
2514 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2516 mono_marshal_lock ();
2517 wrps = g_hash_table_lookup (cache, key);
2519 wrps = g_new0 (MonoRemotingMethods, 1);
2520 g_hash_table_insert (cache, key, wrps);
2523 switch (mb->method->wrapper_type) {
2524 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2525 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2526 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2527 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2528 default: g_assert_not_reached (); break;
2530 mono_marshal_unlock ();
2534 newm = mono_mb_create_method (mb, sig, max_stack);
2536 mono_marshal_lock ();
2539 mono_marshal_set_wrapper_info (*res, key);
2540 mono_marshal_unlock ();
2542 mono_marshal_unlock ();
2543 mono_free_method (newm);
2551 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2554 int wrapper_type = wrapper->wrapper_type;
2557 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2560 switch (wrapper_type) {
2561 case MONO_WRAPPER_REMOTING_INVOKE:
2562 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2563 case MONO_WRAPPER_XDOMAIN_INVOKE:
2564 case MONO_WRAPPER_SYNCHRONIZED:
2565 case MONO_WRAPPER_UNBOX:
2566 res = mono_marshal_get_wrapper_info (wrapper);
2570 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2571 info = mono_marshal_get_wrapper_info (wrapper);
2572 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2573 return info->d.managed_to_native.method;
2576 case MONO_WRAPPER_RUNTIME_INVOKE:
2577 info = mono_marshal_get_wrapper_info (wrapper);
2578 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2579 return info->d.runtime_invoke.method;
2588 * mono_marshal_get_wrapper_info:
2590 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2591 * returned depends on the wrapper type. It is usually a method, a class, or a
2592 * WrapperInfo structure.
2595 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2597 g_assert (wrapper->wrapper_type);
2599 return mono_method_get_wrapper_data (wrapper, 1);
2603 * mono_marshal_set_wrapper_info:
2605 * Store an arbitrary pointer inside the wrapper which is retrievable by
2606 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2607 * wrapper (method->wrapper_type).
2610 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2614 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2617 datav = ((MonoMethodWrapper *)method)->method_data;
2622 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2626 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2627 info->subtype = subtype;
2632 * get_wrapper_target_class:
2634 * Return the class where a wrapper method should be placed.
2637 get_wrapper_target_class (MonoImage *image)
2643 * - can't put all wrappers into an mscorlib class, because they reference
2644 * metadata (signature) so they should be put into the same image as the
2645 * method they wrap, so they are unloaded together.
2646 * - putting them into a class with a type initalizer could cause the
2647 * initializer to be executed which can be a problem if the wrappers are
2649 * - putting them into an inflated class can cause problems if the the
2650 * class is deleted because it references an image which is unloaded.
2651 * To avoid these problems, we put the wrappers into the <Module> class of
2655 klass = ((MonoDynamicImage*)image)->wrappers_type;
2657 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2664 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2666 MonoMethodSignature *sig;
2667 MonoMethodBuilder *mb;
2673 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2674 !strcmp (method->name, "BeginInvoke"));
2676 sig = mono_signature_no_pinvoke (method);
2678 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2679 (GHashFunc)mono_signature_hash,
2680 (GCompareFunc)mono_metadata_signature_equal);
2681 if ((res = mono_marshal_find_in_cache (cache, sig)))
2684 g_assert (sig->hasthis);
2686 name = mono_signature_to_name (sig, "begin_invoke");
2687 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2691 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2693 mono_mb_emit_ldarg (mb, 0);
2694 mono_mb_emit_ldloc (mb, params_var);
2695 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2696 mono_mb_emit_byte (mb, CEE_RET);
2699 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2705 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2707 MonoDomain *domain = mono_domain_get ();
2708 MonoAsyncResult *ares;
2709 MonoMethod *method = NULL;
2710 MonoMethodSignature *sig;
2711 MonoMethodMessage *msg;
2712 MonoObject *res, *exc;
2713 MonoArray *out_args;
2716 g_assert (delegate);
2718 if (!delegate->method_info) {
2719 g_assert (delegate->method);
2720 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2723 if (!delegate->method_info || !delegate->method_info->method)
2724 g_assert_not_reached ();
2726 klass = delegate->object.vtable->klass;
2728 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2729 g_assert (method != NULL);
2731 sig = mono_signature_no_pinvoke (method);
2733 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2735 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2737 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."));
2741 if (ares->async_delegate != (MonoObject*)delegate) {
2742 mono_raise_exception (mono_get_exception_invalid_operation (
2743 "The IAsyncResult object provided does not match this delegate."));
2747 #ifndef DISABLE_REMOTING
2748 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2749 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2750 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2751 mono_message_init (domain, msg, delegate->method_info, NULL);
2752 msg->call_type = CallType_EndInvoke;
2753 MONO_OBJECT_SETREF (msg, async_result, ares);
2754 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2758 res = mono_thread_pool_finish (ares, &out_args, &exc);
2762 if (((MonoException*)exc)->stack_trace) {
2763 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2765 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2767 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2770 mono_raise_exception ((MonoException*)exc);
2773 mono_method_return_message_restore (method, params, out_args);
2780 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2782 MonoType *t = mono_type_get_underlying_type (return_type);
2784 if (return_type->byref)
2785 return_type = &mono_defaults.int_class->byval_arg;
2788 case MONO_TYPE_VOID:
2789 g_assert_not_reached ();
2792 case MONO_TYPE_STRING:
2793 case MONO_TYPE_CLASS:
2794 case MONO_TYPE_OBJECT:
2795 case MONO_TYPE_ARRAY:
2796 case MONO_TYPE_SZARRAY:
2800 case MONO_TYPE_BOOLEAN:
2803 case MONO_TYPE_CHAR:
2813 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2814 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2816 case MONO_TYPE_GENERICINST:
2817 if (!mono_type_generic_inst_is_valuetype (t))
2820 case MONO_TYPE_VALUETYPE: {
2821 MonoClass *klass = mono_class_from_mono_type (return_type);
2822 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2823 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2827 g_warning ("type 0x%x not handled", return_type->type);
2828 g_assert_not_reached ();
2831 mono_mb_emit_byte (mb, CEE_RET);
2834 #endif /* DISABLE_JIT */
2837 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2839 MonoMethodSignature *sig;
2840 MonoMethodBuilder *mb;
2846 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2847 !strcmp (method->name, "EndInvoke"));
2849 sig = mono_signature_no_pinvoke (method);
2851 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2852 (GHashFunc)mono_signature_hash,
2853 (GCompareFunc)mono_metadata_signature_equal);
2854 if ((res = mono_marshal_find_in_cache (cache, sig)))
2857 g_assert (sig->hasthis);
2859 name = mono_signature_to_name (sig, "end_invoke");
2860 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2864 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2866 mono_mb_emit_ldarg (mb, 0);
2867 mono_mb_emit_ldloc (mb, params_var);
2868 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2870 if (sig->ret->type == MONO_TYPE_VOID) {
2871 mono_mb_emit_byte (mb, CEE_POP);
2872 mono_mb_emit_byte (mb, CEE_RET);
2874 mono_mb_emit_restore_result (mb, sig->ret);
2877 res = mono_mb_create_and_cache (cache, sig,
2878 mb, sig, sig->param_count + 16);
2884 #ifndef DISABLE_REMOTING
2887 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2889 MonoMethodMessage *msg;
2890 MonoTransparentProxy *this;
2891 MonoObject *res, *exc;
2892 MonoArray *out_args;
2894 this = *((MonoTransparentProxy **)params [0]);
2897 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2899 /* skip the this pointer */
2902 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
2905 MonoMethodSignature *sig = mono_method_signature (method);
2906 int count = sig->param_count;
2907 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2909 for (i=0; i<count; i++) {
2910 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2911 if (class->valuetype) {
2912 if (sig->params [i]->byref) {
2913 mparams[i] = *((gpointer *)params [i]);
2915 /* runtime_invoke expects a boxed instance */
2916 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
2917 mparams[i] = mono_nullable_box (params [i], class);
2919 mparams[i] = params [i];
2922 mparams[i] = *((gpointer**)params [i]);
2926 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2929 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2931 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2934 mono_raise_exception ((MonoException *)exc);
2936 mono_method_return_message_restore (method, params, out_args);
2942 mono_marshal_get_remoting_invoke (MonoMethod *method)
2944 MonoMethodSignature *sig;
2945 MonoMethodBuilder *mb;
2951 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2954 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
2956 if (method->klass->is_com_object || method->klass == mono_defaults.com_object_class) {
2957 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
2958 g_assert (vtable); /*FIXME do proper error handling*/
2960 if (!vtable->remote) {
2961 return mono_cominterop_get_invoke (method);
2966 sig = mono_signature_no_pinvoke (method);
2968 /* we cant remote methods without this pointer */
2972 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2975 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2978 mb->method->save_lmf = 1;
2980 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2982 mono_mb_emit_ptr (mb, method);
2983 mono_mb_emit_ldloc (mb, params_var);
2984 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2985 emit_thread_interrupt_checkpoint (mb);
2987 if (sig->ret->type == MONO_TYPE_VOID) {
2988 mono_mb_emit_byte (mb, CEE_POP);
2989 mono_mb_emit_byte (mb, CEE_RET);
2991 mono_mb_emit_restore_result (mb, sig->ret);
2995 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3001 #endif /* DISABLE_REMOTING */
3004 /* mono_get_xdomain_marshal_type()
3005 * Returns the kind of marshalling that a type needs for cross domain calls.
3007 static MonoXDomainMarshalType
3008 mono_get_xdomain_marshal_type (MonoType *t)
3011 case MONO_TYPE_VOID:
3012 g_assert_not_reached ();
3016 case MONO_TYPE_BOOLEAN:
3019 case MONO_TYPE_CHAR:
3026 return MONO_MARSHAL_NONE;
3027 case MONO_TYPE_STRING:
3028 return MONO_MARSHAL_COPY;
3029 case MONO_TYPE_ARRAY:
3030 case MONO_TYPE_SZARRAY: {
3031 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3032 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3033 return MONO_MARSHAL_COPY;
3038 return MONO_MARSHAL_SERIALIZE;
3042 /* mono_marshal_xdomain_copy_value
3043 * Makes a copy of "val" suitable for the current domain.
3046 mono_marshal_xdomain_copy_value (MonoObject *val)
3049 if (val == NULL) return NULL;
3051 domain = mono_domain_get ();
3053 switch (mono_object_class (val)->byval_arg.type) {
3054 case MONO_TYPE_VOID:
3055 g_assert_not_reached ();
3059 case MONO_TYPE_BOOLEAN:
3062 case MONO_TYPE_CHAR:
3068 case MONO_TYPE_R8: {
3069 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3071 case MONO_TYPE_STRING: {
3072 MonoString *str = (MonoString *) val;
3073 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3075 case MONO_TYPE_ARRAY:
3076 case MONO_TYPE_SZARRAY: {
3078 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3079 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3080 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3081 if (mt == MONO_MARSHAL_COPY) {
3082 int i, len = mono_array_length (acopy);
3083 for (i = 0; i < len; i++) {
3084 MonoObject *item = mono_array_get (acopy, gpointer, i);
3085 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3088 return (MonoObject *) acopy;
3092 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3093 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3094 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3095 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3096 newsb->length = oldsb->length;
3097 newsb->max_capacity = (gint32)0x7fffffff;
3098 return (MonoObject *) newsb;
3103 /* mono_marshal_xdomain_copy_out_value()
3104 * Copies the contents of the src instance into the dst instance. src and dst
3105 * must have the same type, and if they are arrays, the same size.
3108 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3110 if (src == NULL || dst == NULL) return;
3112 g_assert (mono_object_class (src) == mono_object_class (dst));
3114 switch (mono_object_class (src)->byval_arg.type) {
3115 case MONO_TYPE_ARRAY:
3116 case MONO_TYPE_SZARRAY: {
3117 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3118 if (mt == MONO_MARSHAL_SERIALIZE) return;
3119 if (mt == MONO_MARSHAL_COPY) {
3120 int i, len = mono_array_length ((MonoArray *)dst);
3121 for (i = 0; i < len; i++) {
3122 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3123 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3126 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3132 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3133 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3134 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3136 MONO_OBJECT_SETREF (dst_sb, str, mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str)));
3137 dst_sb->cached_str = NULL;
3138 dst_sb->length = src_sb->length;
3143 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3146 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3148 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3149 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3153 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3155 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3159 #ifndef DISABLE_REMOTING
3160 /* mono_marshal_supports_fast_xdomain()
3161 * Returns TRUE if the method can use the fast xdomain wrapper.
3164 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3166 return !mono_class_is_contextbound (method->klass) &&
3167 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3172 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3174 MonoDomain *current_domain = mono_domain_get ();
3175 MonoDomain *domain = mono_domain_get_by_id (id);
3177 if (!domain || !mono_domain_set (domain, FALSE))
3178 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3181 mono_thread_push_appdomain_ref (domain);
3183 mono_thread_pop_appdomain_ref ();
3185 return current_domain->domain_id;
3188 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3190 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3192 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3195 /* mono_marshal_emit_load_domain_method ()
3196 * Loads into the stack a pointer to the code of the provided method for
3197 * the current domain.
3200 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3202 /* We need a pointer to the method for the running domain (not the domain
3203 * that compiles the method).
3205 mono_mb_emit_ptr (mb, method);
3206 mono_mb_emit_icall (mb, mono_compile_method);
3210 /* mono_marshal_check_domain_image ()
3211 * Returns TRUE if the image is loaded in the specified
3212 * application domain.
3215 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3220 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3224 mono_domain_assemblies_lock (domain);
3225 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3227 if (ass->image == image)
3230 mono_domain_assemblies_unlock (domain);
3235 #ifndef DISABLE_REMOTING
3237 /* mono_marshal_get_xappdomain_dispatch ()
3238 * Generates a method that dispatches a method call from another domain into
3239 * the current domain.
3242 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3244 MonoMethodSignature *sig, *csig;
3245 MonoMethodBuilder *mb;
3247 int i, j, param_index, copy_locals_base;
3248 MonoClass *ret_class = NULL;
3249 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3250 MonoExceptionClause *main_clause;
3252 gboolean copy_return;
3254 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3257 sig = mono_method_signature (method);
3258 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3261 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3262 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3263 csig->params [j++] = &byte_array_class->this_arg;
3264 csig->params [j++] = &byte_array_class->this_arg;
3265 for (i = 0; i < sig->param_count; i++) {
3266 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3267 csig->params [j++] = sig->params [i];
3270 csig->ret = sig->ret;
3272 csig->ret = &mono_defaults.void_class->byval_arg;
3274 csig->hasthis = FALSE;
3276 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3277 mb->method->save_lmf = 1;
3282 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3283 if (complex_count > 0)
3284 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3285 if (sig->ret->type != MONO_TYPE_VOID) {
3286 loc_return = mono_mb_add_local (mb, sig->ret);
3287 ret_class = mono_class_from_mono_type (sig->ret);
3292 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3293 main_clause->try_offset = mono_mb_get_label (mb);
3295 /* Clean the call context */
3297 mono_mb_emit_byte (mb, CEE_LDNULL);
3298 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3299 mono_mb_emit_byte (mb, CEE_POP);
3301 /* Deserialize call data */
3303 mono_mb_emit_ldarg (mb, 1);
3304 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3305 mono_mb_emit_byte (mb, CEE_DUP);
3306 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3308 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3309 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3311 if (complex_count > 0)
3312 mono_mb_emit_stloc (mb, loc_array);
3314 mono_mb_emit_byte (mb, CEE_POP);
3316 mono_mb_patch_short_branch (mb, pos);
3318 /* Get the target object */
3320 mono_mb_emit_ldarg (mb, 0);
3321 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3323 /* Load the arguments */
3325 copy_locals_base = mb->locals;
3326 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3328 for (i = 0; i < sig->param_count; i++) {
3329 MonoType *pt = sig->params [i];
3330 MonoClass *pclass = mono_class_from_mono_type (pt);
3331 switch (marshal_types [i]) {
3332 case MONO_MARSHAL_SERIALIZE: {
3333 /* take the value from the serialized array */
3334 mono_mb_emit_ldloc (mb, loc_array);
3335 mono_mb_emit_icon (mb, j++);
3337 if (pclass->valuetype) {
3338 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3339 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3341 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3344 if (pclass->valuetype) {
3345 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3346 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3347 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3349 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3350 if (pclass != mono_defaults.object_class) {
3351 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3357 case MONO_MARSHAL_COPY_OUT: {
3358 /* Keep a local copy of the value since we need to copy it back after the call */
3359 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3360 mono_mb_emit_ldarg (mb, param_index++);
3361 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3362 mono_mb_emit_byte (mb, CEE_DUP);
3363 mono_mb_emit_stloc (mb, copy_local);
3366 case MONO_MARSHAL_COPY: {
3367 mono_mb_emit_ldarg (mb, param_index);
3369 mono_mb_emit_byte (mb, CEE_DUP);
3370 mono_mb_emit_byte (mb, CEE_DUP);
3371 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3372 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3373 mono_mb_emit_byte (mb, CEE_STIND_REF);
3375 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3380 case MONO_MARSHAL_NONE:
3381 mono_mb_emit_ldarg (mb, param_index++);
3386 /* Make the call to the real object */
3388 emit_thread_force_interrupt_checkpoint (mb);
3390 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3392 if (sig->ret->type != MONO_TYPE_VOID)
3393 mono_mb_emit_stloc (mb, loc_return);
3395 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3399 for (i = 0; i < sig->param_count; i++) {
3400 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3401 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3402 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3403 mono_mb_emit_ldarg (mb, param_index);
3404 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3409 /* Serialize the return values */
3411 if (complex_out_count > 0) {
3412 /* Reset parameters in the array that don't need to be serialized back */
3414 for (i = 0; i < sig->param_count; i++) {
3415 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3416 if (!sig->params [i]->byref) {
3417 mono_mb_emit_ldloc (mb, loc_array);
3418 mono_mb_emit_icon (mb, j);
3419 mono_mb_emit_byte (mb, CEE_LDNULL);
3420 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3425 /* Add the return value to the array */
3427 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3428 mono_mb_emit_ldloc (mb, loc_array);
3429 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3430 mono_mb_emit_ldloc (mb, loc_return);
3432 g_assert (ret_class); /*FIXME properly fail here*/
3433 if (ret_class->valuetype) {
3434 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3436 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3441 mono_mb_emit_ldarg (mb, 1);
3442 mono_mb_emit_ldloc (mb, loc_array);
3443 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3444 mono_mb_emit_byte (mb, CEE_STIND_REF);
3445 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3446 mono_mb_emit_ldarg (mb, 1);
3447 mono_mb_emit_ldloc (mb, loc_return);
3448 if (ret_class->valuetype) {
3449 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3451 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3452 mono_mb_emit_byte (mb, CEE_STIND_REF);
3454 mono_mb_emit_ldarg (mb, 1);
3455 mono_mb_emit_byte (mb, CEE_LDNULL);
3456 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3457 mono_mb_emit_byte (mb, CEE_STIND_REF);
3460 mono_mb_emit_ldarg (mb, 2);
3461 mono_mb_emit_byte (mb, CEE_LDNULL);
3462 mono_mb_emit_byte (mb, CEE_STIND_REF);
3463 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3465 /* Main exception catch */
3466 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3467 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3468 main_clause->data.catch_class = mono_defaults.object_class;
3471 main_clause->handler_offset = mono_mb_get_label (mb);
3472 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3473 mono_mb_emit_stloc (mb, loc_serialized_exc);
3474 mono_mb_emit_ldarg (mb, 2);
3475 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3476 mono_mb_emit_byte (mb, CEE_STIND_REF);
3477 mono_mb_emit_branch (mb, CEE_LEAVE);
3478 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3481 mono_mb_patch_branch (mb, pos_leave);
3484 mono_mb_emit_ldloc (mb, loc_return);
3486 mono_mb_emit_byte (mb, CEE_RET);
3488 mono_mb_set_clauses (mb, 1, main_clause);
3491 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3497 /* mono_marshal_get_xappdomain_invoke ()
3498 * Generates a fast remoting wrapper for cross app domain calls.
3501 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3503 MonoMethodSignature *sig;
3504 MonoMethodBuilder *mb;
3506 int i, j, complex_count, complex_out_count, copy_locals_base;
3508 MonoClass *ret_class = NULL;
3509 MonoMethod *xdomain_method;
3510 int ret_marshal_type = MONO_MARSHAL_NONE;
3511 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3512 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3513 int pos, pos_dispatch, pos_noex;
3514 gboolean copy_return = FALSE;
3518 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3521 /* we cant remote methods without this pointer */
3522 if (!mono_method_signature (method)->hasthis)
3525 if (!mono_marshal_supports_fast_xdomain (method))
3526 return mono_marshal_get_remoting_invoke (method);
3528 mono_remoting_marshal_init ();
3530 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3533 sig = mono_signature_no_pinvoke (method);
3535 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3536 mb->method->save_lmf = 1;
3538 /* Count the number of parameters that need to be serialized */
3540 marshal_types = alloca (sizeof (int) * sig->param_count);
3541 complex_count = complex_out_count = 0;
3542 for (i = 0; i < sig->param_count; i++) {
3543 MonoType *ptype = sig->params[i];
3544 int mt = mono_get_xdomain_marshal_type (ptype);
3546 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3547 * the copy will be made by reusing the original object instance
3549 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3550 mt = MONO_MARSHAL_COPY_OUT;
3551 else if (mt == MONO_MARSHAL_SERIALIZE) {
3553 if (ptype->byref) complex_out_count++;
3555 marshal_types [i] = mt;
3558 if (sig->ret->type != MONO_TYPE_VOID) {
3559 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3560 ret_class = mono_class_from_mono_type (sig->ret);
3561 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3567 if (complex_count > 0)
3568 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3569 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3570 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3572 loc_return = mono_mb_add_local (mb, sig->ret);
3573 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3574 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3575 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3576 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3578 /* Save thread domain data */
3580 mono_mb_emit_icall (mb, mono_context_get);
3581 mono_mb_emit_byte (mb, CEE_DUP);
3582 mono_mb_emit_stloc (mb, loc_context);
3584 /* If the thread is not running in the default context, it needs to go
3585 * through the whole remoting sink, since the context is going to change
3587 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3588 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3590 /* Another case in which the fast path can't be used: when the target domain
3591 * has a different image for the same assembly.
3594 /* Get the target domain id */
3596 mono_mb_emit_ldarg (mb, 0);
3597 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3599 mono_mb_emit_byte (mb, CEE_DUP);
3600 mono_mb_emit_stloc (mb, loc_real_proxy);
3602 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3603 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3604 mono_mb_emit_stloc (mb, loc_domainid);
3606 /* Check if the target domain has the same image for the required assembly */
3608 mono_mb_emit_ldloc (mb, loc_domainid);
3609 mono_mb_emit_ptr (mb, method->klass->image);
3610 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3611 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3613 /* Use the whole remoting sink to dispatch this message */
3615 mono_mb_patch_short_branch (mb, pos);
3617 mono_mb_emit_ldarg (mb, 0);
3618 for (i = 0; i < sig->param_count; i++)
3619 mono_mb_emit_ldarg (mb, i + 1);
3621 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3622 mono_mb_emit_byte (mb, CEE_RET);
3623 mono_mb_patch_short_branch (mb, pos_dispatch);
3625 /* Create the array that will hold the parameters to be serialized */
3627 if (complex_count > 0) {
3628 mono_mb_emit_icon (mb, (ret_marshal_type == MONO_MARSHAL_SERIALIZE && complex_out_count > 0) ? complex_count + 1 : complex_count); /* +1 for the return type */
3629 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3632 for (i = 0; i < sig->param_count; i++) {
3634 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3635 pclass = mono_class_from_mono_type (sig->params[i]);
3636 mono_mb_emit_byte (mb, CEE_DUP);
3637 mono_mb_emit_icon (mb, j);
3638 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3639 if (sig->params[i]->byref) {
3640 if (pclass->valuetype)
3641 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3643 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3645 if (pclass->valuetype)
3646 mono_mb_emit_op (mb, CEE_BOX, pclass);
3647 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3650 mono_mb_emit_stloc (mb, loc_array);
3652 /* Serialize parameters */
3654 mono_mb_emit_ldloc (mb, loc_array);
3655 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3656 mono_mb_emit_stloc (mb, loc_serialized_data);
3658 mono_mb_emit_byte (mb, CEE_LDNULL);
3659 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3660 mono_mb_emit_stloc (mb, loc_serialized_data);
3665 mono_mb_emit_ldloc (mb, loc_domainid);
3666 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3667 mono_marshal_emit_switch_domain (mb);
3668 mono_mb_emit_stloc (mb, loc_old_domainid);
3670 /* Load the arguments */
3672 mono_mb_emit_ldloc (mb, loc_real_proxy);
3673 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3674 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3676 copy_locals_base = mb->locals;
3677 for (i = 0; i < sig->param_count; i++) {
3678 switch (marshal_types [i]) {
3679 case MONO_MARSHAL_SERIALIZE:
3681 case MONO_MARSHAL_COPY: {
3682 mono_mb_emit_ldarg (mb, i+1);
3683 if (sig->params [i]->byref) {
3684 /* make a local copy of the byref parameter. The real parameter
3685 * will be updated after the xdomain call
3687 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3688 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3689 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3690 mono_mb_emit_stloc (mb, copy_local);
3691 mono_mb_emit_ldloc_addr (mb, copy_local);
3695 case MONO_MARSHAL_COPY_OUT:
3696 case MONO_MARSHAL_NONE:
3697 mono_mb_emit_ldarg (mb, i+1);
3702 /* Make the call to the invoke wrapper in the target domain */
3704 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3705 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3706 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3709 mono_mb_emit_stloc (mb, loc_return);
3713 mono_mb_emit_ldloc (mb, loc_old_domainid);
3714 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3715 mono_marshal_emit_switch_domain (mb);
3716 mono_mb_emit_byte (mb, CEE_POP);
3718 /* Restore thread domain data */
3720 mono_mb_emit_ldloc (mb, loc_context);
3721 mono_mb_emit_icall (mb, mono_context_set);
3723 /* if (loc_serialized_exc != null) ... */
3725 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3726 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3728 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3729 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3730 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3731 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3732 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3733 mono_mb_emit_byte (mb, CEE_THROW);
3734 mono_mb_patch_short_branch (mb, pos_noex);
3736 /* copy back non-serialized output parameters */
3739 for (i = 0; i < sig->param_count; i++) {
3740 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3741 mono_mb_emit_ldarg (mb, i + 1);
3742 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3743 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3744 mono_mb_emit_byte (mb, CEE_STIND_REF);
3747 /* Deserialize out parameters */
3749 if (complex_out_count > 0) {
3750 mono_mb_emit_ldloc (mb, loc_serialized_data);
3751 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3752 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3753 mono_mb_emit_stloc (mb, loc_array);
3755 /* Copy back output parameters and return type */
3758 for (i = 0; i < sig->param_count; i++) {
3759 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3760 if (sig->params[i]->byref) {
3761 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3762 mono_mb_emit_ldarg (mb, i + 1);
3763 mono_mb_emit_ldloc (mb, loc_array);
3764 mono_mb_emit_icon (mb, j);
3765 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3766 if (pclass->valuetype) {
3767 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3768 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3769 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3771 if (pclass != mono_defaults.object_class)
3772 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3773 mono_mb_emit_byte (mb, CEE_STIND_REF);
3779 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3780 mono_mb_emit_ldloc (mb, loc_array);
3781 mono_mb_emit_icon (mb, complex_count);
3782 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3783 if (ret_class->valuetype) {
3784 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3785 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3788 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3789 mono_mb_emit_ldloc (mb, loc_serialized_data);
3790 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3791 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3792 if (ret_class->valuetype) {
3793 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3794 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3795 } else if (ret_class != mono_defaults.object_class) {
3796 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3799 mono_mb_emit_ldloc (mb, loc_serialized_data);
3800 mono_mb_emit_byte (mb, CEE_DUP);
3801 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3802 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3804 mono_mb_patch_short_branch (mb, pos);
3805 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3806 mono_mb_emit_byte (mb, CEE_POP);
3810 mono_mb_emit_ldloc (mb, loc_return);
3811 if (ret_marshal_type == MONO_MARSHAL_COPY)
3812 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3815 mono_mb_emit_byte (mb, CEE_RET);
3816 #endif /* DISABLE_JIT */
3818 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3825 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3827 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3828 return mono_marshal_get_xappdomain_invoke (method);
3829 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3831 return mono_cominterop_get_invoke (method);
3833 g_assert_not_reached ();
3836 return mono_marshal_get_remoting_invoke (method);
3842 G_GNUC_UNUSED static gpointer
3843 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3845 if (rp->target_domain_id != -1)
3846 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3848 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3852 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3854 MonoMethodSignature *sig;
3855 MonoMethodBuilder *mb;
3856 MonoMethod *res, *native;
3857 int i, pos, pos_rem;
3861 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3864 /* we cant remote methods without this pointer */
3865 g_assert (mono_method_signature (method)->hasthis);
3867 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3870 sig = mono_signature_no_pinvoke (method);
3872 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3875 for (i = 0; i <= sig->param_count; i++)
3876 mono_mb_emit_ldarg (mb, i);
3878 mono_mb_emit_ldarg (mb, 0);
3879 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3881 if (mono_marshal_supports_fast_xdomain (method)) {
3882 mono_mb_emit_ldarg (mb, 0);
3883 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3885 /* wrapper for cross app domain calls */
3886 native = mono_marshal_get_xappdomain_invoke (method);
3887 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3888 mono_mb_emit_byte (mb, CEE_RET);
3890 mono_mb_patch_branch (mb, pos_rem);
3892 /* wrapper for normal remote calls */
3893 native = mono_marshal_get_remoting_invoke (method);
3894 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3895 mono_mb_emit_byte (mb, CEE_RET);
3898 mono_mb_patch_branch (mb, pos);
3899 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3900 mono_mb_emit_byte (mb, CEE_RET);
3903 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3909 #endif /* DISABLE_REMOTING */
3913 MonoMethodSignature *sig;
3915 } SignatureMethodPair;
3918 signature_method_pair_hash (gconstpointer data)
3920 SignatureMethodPair *pair = (SignatureMethodPair*)data;
3922 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
3926 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
3928 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
3932 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
3934 SignatureMethodPair *pair = (SignatureMethodPair*)key;
3935 MonoMethod *method = (MonoMethod*)user_data;
3937 return pair->method == method;
3941 free_signature_method_pair (SignatureMethodPair *pair)
3947 * the returned method invokes all methods in a multicast delegate.
3950 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
3952 MonoMethodSignature *sig, *static_sig, *invoke_sig;
3954 MonoMethodBuilder *mb;
3955 MonoMethod *res, *newm;
3957 SignatureMethodPair key;
3958 SignatureMethodPair *new_key;
3959 int local_prev, local_target;
3962 MonoMethod *target_method = NULL;
3963 MonoClass *target_class = NULL;
3964 gboolean callvirt = FALSE;
3965 gboolean closed_over_null = FALSE;
3966 gboolean static_method_with_first_arg_bound = FALSE;
3967 MonoGenericContext *ctx = NULL;
3968 MonoGenericContainer *container = NULL;
3969 MonoMethod *orig_method = NULL;
3972 * If the delegate target is null, and the target method is not static, a virtual
3973 * call is made to that method with the first delegate argument as this. This is
3974 * a non-documented .NET feature.
3976 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
3978 target_method = del->method;
3979 if (target_method->is_inflated) {
3980 MonoType *target_type;
3982 g_assert (method->signature->hasthis);
3983 target_type = mono_class_inflate_generic_type (method->signature->params [0],
3984 mono_method_get_context (method));
3985 target_class = mono_class_from_mono_type (target_type);
3987 target_class = del->method->klass;
3991 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3992 !strcmp (method->name, "Invoke"));
3994 invoke_sig = sig = mono_signature_no_pinvoke (method);
3997 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
3999 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4000 invoke_sig = mono_method_signature (del->method);
4001 target_method = del->method;
4002 static_method_with_first_arg_bound = TRUE;
4006 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4008 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4009 orig_method = method;
4010 ctx = &((MonoMethodInflated*)method)->context;
4011 method = ((MonoMethodInflated*)method)->declaring;
4013 container = mono_method_get_generic_container (method);
4015 container = method->klass->generic_container;
4016 g_assert (container);
4018 invoke_sig = sig = mono_signature_no_pinvoke (method);
4025 MonoMethod *def, *inst;
4028 * Look for the instance
4030 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4031 res = mono_marshal_find_in_cache (cache, orig_method->klass);
4036 * Look for the definition
4038 def = mono_marshal_find_in_cache (cache, method->klass);
4040 inst = mono_class_inflate_generic_method (def, ctx);
4042 mono_memory_barrier ();
4043 mono_marshal_lock ();
4044 res = g_hash_table_lookup (cache, orig_method->klass);
4046 g_hash_table_insert (cache, orig_method->klass, inst);
4049 mono_marshal_unlock ();
4052 } else if (callvirt || static_method_with_first_arg_bound) {
4053 GHashTable **cache_ptr;
4054 if (static_method_with_first_arg_bound)
4055 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
4057 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4059 /* We need to cache the signature+method pair */
4060 mono_marshal_lock ();
4062 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4064 key.sig = invoke_sig;
4065 key.method = target_method;
4066 res = g_hash_table_lookup (cache, &key);
4067 mono_marshal_unlock ();
4071 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4072 (GHashFunc)mono_signature_hash,
4073 (GCompareFunc)mono_metadata_signature_equal);
4074 res = mono_marshal_find_in_cache (cache, sig);
4079 static_sig = signature_dup (method->klass->image, sig);
4080 static_sig->hasthis = 0;
4081 if (!static_method_with_first_arg_bound)
4082 invoke_sig = static_sig;
4084 name = mono_signature_to_name (sig, "invoke");
4086 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4088 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4092 /* allocate local 0 (object) */
4093 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4094 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4096 g_assert (sig->hasthis);
4100 * prev.Invoke( args .. );
4101 * return this.<target>( args .. );
4104 /* this wrapper can be used in unmanaged-managed transitions */
4105 emit_thread_interrupt_checkpoint (mb);
4107 /* get this->prev */
4108 mono_mb_emit_ldarg (mb, 0);
4109 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4110 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4111 mono_mb_emit_stloc (mb, local_prev);
4112 mono_mb_emit_ldloc (mb, local_prev);
4114 /* if prev != null */
4115 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4119 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4120 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4122 mono_mb_emit_ldloc (mb, local_prev);
4123 for (i = 0; i < sig->param_count; i++)
4124 mono_mb_emit_ldarg (mb, i + 1);
4126 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4128 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4129 if (sig->ret->type != MONO_TYPE_VOID)
4130 mono_mb_emit_byte (mb, CEE_POP);
4132 /* continued or prev == null */
4133 mono_mb_patch_branch (mb, pos0);
4135 /* get this->target */
4136 mono_mb_emit_ldarg (mb, 0);
4137 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4138 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4139 mono_mb_emit_stloc (mb, local_target);
4141 /*static methods with bound first arg can have null target and still be bound*/
4142 if (!static_method_with_first_arg_bound) {
4143 /* if target != null */
4144 mono_mb_emit_ldloc (mb, local_target);
4145 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4147 /* then call this->method_ptr nonstatic */
4150 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4152 mono_mb_emit_ldloc (mb, local_target);
4153 for (i = 0; i < sig->param_count; ++i)
4154 mono_mb_emit_ldarg (mb, i + 1);
4155 mono_mb_emit_ldarg (mb, 0);
4156 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4157 mono_mb_emit_byte (mb, CEE_LDIND_I );
4158 mono_mb_emit_op (mb, CEE_CALLI, sig);
4160 mono_mb_emit_byte (mb, CEE_RET);
4163 /* else [target == null] call this->method_ptr static */
4164 mono_mb_patch_branch (mb, pos0);
4168 if (!closed_over_null) {
4169 mono_mb_emit_ldarg (mb, 1);
4170 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4171 for (i = 1; i < sig->param_count; ++i)
4172 mono_mb_emit_ldarg (mb, i + 1);
4173 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4175 mono_mb_emit_byte (mb, CEE_LDNULL);
4176 for (i = 0; i < sig->param_count; ++i)
4177 mono_mb_emit_ldarg (mb, i + 1);
4178 mono_mb_emit_op (mb, CEE_CALL, target_method);
4181 if (static_method_with_first_arg_bound) {
4182 mono_mb_emit_ldloc (mb, local_target);
4183 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4184 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4186 for (i = 0; i < sig->param_count; ++i)
4187 mono_mb_emit_ldarg (mb, i + 1);
4188 mono_mb_emit_ldarg (mb, 0);
4189 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4190 mono_mb_emit_byte (mb, CEE_LDIND_I );
4191 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4194 mono_mb_emit_byte (mb, CEE_RET);
4196 mb->skip_visibility = 1;
4197 #endif /* DISABLE_JIT */
4200 MonoMethod *def, *inst;
4203 * We use the same cache for the generic definition and the instances.
4205 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4207 inst = mono_class_inflate_generic_method (def, ctx);
4208 mono_memory_barrier ();
4209 mono_marshal_lock ();
4210 res = g_hash_table_lookup (cache, orig_method->klass);
4212 g_hash_table_insert (cache, orig_method->klass, inst);
4215 mono_marshal_unlock ();
4216 } else if (static_method_with_first_arg_bound || callvirt) {
4217 // From mono_mb_create_and_cache
4218 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4219 /*We perform double checked locking, so must fence before publishing*/
4220 mono_memory_barrier ();
4221 mono_marshal_lock ();
4222 res = g_hash_table_lookup (cache, &key);
4225 new_key = g_new0 (SignatureMethodPair, 1);
4227 if (static_method_with_first_arg_bound)
4228 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4229 g_hash_table_insert (cache, new_key, res);
4230 mono_marshal_set_wrapper_info (res, new_key);
4231 mono_marshal_unlock ();
4233 mono_marshal_unlock ();
4234 mono_free_method (newm);
4237 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4245 * signature_dup_add_this:
4247 * Make a copy of @sig, adding an explicit this argument.
4249 static MonoMethodSignature*
4250 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4252 MonoMethodSignature *res;
4255 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4256 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4257 res->param_count = sig->param_count + 1;
4258 res->hasthis = FALSE;
4259 for (i = sig->param_count - 1; i >= 0; i --)
4260 res->params [i + 1] = sig->params [i];
4261 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4267 MonoMethodSignature *ctor_sig;
4268 MonoMethodSignature *sig;
4271 /* protected by the marshal lock, contains CtorSigPair pointers */
4272 static GSList *strsig_list = NULL;
4274 static MonoMethodSignature *
4275 lookup_string_ctor_signature (MonoMethodSignature *sig)
4277 MonoMethodSignature *callsig;
4281 mono_marshal_lock ();
4283 for (item = strsig_list; item; item = item->next) {
4285 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4286 * because it is lock-free.
4288 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4293 mono_marshal_unlock ();
4297 static MonoMethodSignature *
4298 add_string_ctor_signature (MonoMethod *method)
4300 MonoMethodSignature *callsig;
4303 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4304 callsig->ret = &mono_defaults.string_class->byval_arg;
4305 cs = g_new (CtorSigPair, 1);
4307 cs->ctor_sig = mono_method_signature (method);
4309 mono_marshal_lock ();
4310 strsig_list = g_slist_prepend (strsig_list, cs);
4311 mono_marshal_unlock ();
4316 * mono_marshal_get_string_ctor_signature:
4318 * Return the modified signature used by string ctors (they return the newly created
4321 MonoMethodSignature*
4322 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4324 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4326 sig = add_string_ctor_signature (method);
4332 get_runtime_invoke_type (MonoType *t, gboolean ret)
4335 /* Can't share this with 'I' as that needs another indirection */
4338 if (MONO_TYPE_IS_REFERENCE (t))
4339 return &mono_defaults.object_class->byval_arg;
4342 /* The result needs to be boxed */
4348 return &mono_defaults.sbyte_class->byval_arg;
4350 return &mono_defaults.int16_class->byval_arg;
4352 return &mono_defaults.int32_class->byval_arg;
4354 return &mono_defaults.int64_class->byval_arg;
4355 case MONO_TYPE_BOOLEAN:
4356 return &mono_defaults.sbyte_class->byval_arg;
4357 case MONO_TYPE_CHAR:
4358 return &mono_defaults.int16_class->byval_arg;
4361 return &mono_defaults.int_class->byval_arg;
4362 case MONO_TYPE_VALUETYPE:
4363 if (t->data.klass->enumtype) {
4364 t = mono_class_enum_basetype (t->data.klass);
4374 * mono_marshal_get_runtime_invoke_sig:
4376 * Return a common signature used for sharing runtime invoke wrappers.
4378 static MonoMethodSignature*
4379 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4381 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4384 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4385 for (i = 0; i < res->param_count; ++i)
4386 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4392 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4394 /* Can't share wrappers which return a vtype since it needs to be boxed */
4395 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))
4398 return mono_metadata_signature_equal (sig1, sig2);
4406 * Emit the call to the wrapper method from a runtime invoke wrapper.
4409 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4410 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4412 gboolean virtual, gboolean need_direct_wrapper)
4414 static MonoString *string_dummy = NULL;
4416 int *tmp_nullable_locals;
4417 gboolean void_ret = FALSE;
4419 /* to make it work with our special string constructors */
4420 if (!string_dummy) {
4421 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4422 string_dummy = mono_string_new_wrapper ("dummy");
4426 g_assert (sig->hasthis);
4427 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4431 if (method->string_ctor) {
4432 if (mono_gc_is_moving ()) {
4433 mono_mb_emit_ptr (mb, &string_dummy);
4434 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4436 mono_mb_emit_ptr (mb, string_dummy);
4439 mono_mb_emit_ldarg (mb, 0);
4443 tmp_nullable_locals = g_new0 (int, sig->param_count);
4445 for (i = 0; i < sig->param_count; i++) {
4446 MonoType *t = sig->params [i];
4449 mono_mb_emit_ldarg (mb, 1);
4451 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4452 mono_mb_emit_byte (mb, CEE_ADD);
4456 mono_mb_emit_byte (mb, CEE_LDIND_I);
4457 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4458 * So to make this work we unbox it to a local variablee and push a reference to that.
4460 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4461 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4463 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4464 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4465 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4470 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4471 type = sig->params [i]->type;
4475 case MONO_TYPE_BOOLEAN:
4479 case MONO_TYPE_CHAR:
4488 mono_mb_emit_byte (mb, CEE_LDIND_I);
4489 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4491 case MONO_TYPE_STRING:
4492 case MONO_TYPE_CLASS:
4493 case MONO_TYPE_ARRAY:
4495 case MONO_TYPE_SZARRAY:
4496 case MONO_TYPE_OBJECT:
4497 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4499 case MONO_TYPE_GENERICINST:
4500 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4501 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4506 case MONO_TYPE_VALUETYPE:
4507 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4508 type = mono_class_enum_basetype (t->data.klass)->type;
4511 mono_mb_emit_byte (mb, CEE_LDIND_I);
4512 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4513 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4514 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4515 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4517 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4521 g_assert_not_reached ();
4526 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4527 } else if (need_direct_wrapper) {
4528 mono_mb_emit_op (mb, CEE_CALL, method);
4530 mono_mb_emit_ldarg (mb, 3);
4531 mono_mb_emit_calli (mb, callsig);
4534 if (sig->ret->byref) {
4536 g_assert_not_reached ();
4539 switch (sig->ret->type) {
4540 case MONO_TYPE_VOID:
4541 if (!method->string_ctor)
4544 case MONO_TYPE_BOOLEAN:
4545 case MONO_TYPE_CHAR:
4558 case MONO_TYPE_VALUETYPE:
4559 case MONO_TYPE_TYPEDBYREF:
4560 case MONO_TYPE_GENERICINST:
4561 /* box value types */
4562 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4564 case MONO_TYPE_STRING:
4565 case MONO_TYPE_CLASS:
4566 case MONO_TYPE_ARRAY:
4567 case MONO_TYPE_SZARRAY:
4568 case MONO_TYPE_OBJECT:
4572 /* The result is an IntPtr */
4573 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4576 g_assert_not_reached ();
4580 mono_mb_emit_stloc (mb, loc_res);
4582 /* Convert back nullable-byref arguments */
4583 for (i = 0; i < sig->param_count; i++) {
4584 MonoType *t = sig->params [i];
4587 * Box the result and put it back into the array, the caller will have
4588 * to obtain it from there.
4590 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4591 mono_mb_emit_ldarg (mb, 1);
4592 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4593 mono_mb_emit_byte (mb, CEE_ADD);
4595 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4596 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4598 mono_mb_emit_byte (mb, CEE_STIND_REF);
4602 g_free (tmp_nullable_locals);
4606 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4607 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4608 gboolean virtual, gboolean need_direct_wrapper)
4611 MonoExceptionClause *clause;
4612 int loc_res, loc_exc;
4614 /* The wrapper looks like this:
4620 * } catch (Exception e) {
4628 /* allocate local 0 (object) tmp */
4629 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4630 /* allocate local 1 (object) exc */
4631 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4633 /* *exc is assumed to be initialized to NULL by the caller */
4635 mono_mb_emit_byte (mb, CEE_LDARG_2);
4636 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4641 labels [1] = mono_mb_get_label (mb);
4642 emit_thread_force_interrupt_checkpoint (mb);
4643 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4645 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4647 /* Add a try clause around the call */
4648 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4649 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4650 clause->data.catch_class = mono_defaults.exception_class;
4651 clause->try_offset = labels [1];
4652 clause->try_len = mono_mb_get_label (mb) - labels [1];
4654 clause->handler_offset = mono_mb_get_label (mb);
4657 mono_mb_emit_stloc (mb, loc_exc);
4658 mono_mb_emit_byte (mb, CEE_LDARG_2);
4659 mono_mb_emit_ldloc (mb, loc_exc);
4660 mono_mb_emit_byte (mb, CEE_STIND_REF);
4662 mono_mb_emit_branch (mb, CEE_LEAVE);
4664 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4666 mono_mb_set_clauses (mb, 1, clause);
4668 mono_mb_patch_branch (mb, labels [2]);
4669 mono_mb_emit_ldloc (mb, loc_res);
4670 mono_mb_emit_byte (mb, CEE_RET);
4675 mono_mb_patch_branch (mb, labels [0]);
4676 emit_thread_force_interrupt_checkpoint (mb);
4677 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4679 mono_mb_emit_ldloc (mb, 0);
4680 mono_mb_emit_byte (mb, CEE_RET);
4685 * generates IL code for the runtime invoke function
4686 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4688 * we also catch exceptions if exc != null
4689 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4690 * it means that the compiled code for METHOD does not have to be looked up
4691 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4692 * its METHOD argument.
4695 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4697 MonoMethodSignature *sig, *csig, *callsig;
4698 MonoMethodBuilder *mb;
4699 GHashTable *cache = NULL;
4700 MonoClass *target_klass;
4701 MonoMethod *res = NULL;
4702 static MonoMethodSignature *cctor_signature = NULL;
4703 static MonoMethodSignature *finalize_signature = NULL;
4705 const char *param_names [16];
4706 gboolean need_direct_wrapper = FALSE;
4711 if (!cctor_signature) {
4712 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4713 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4715 if (!finalize_signature) {
4716 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4717 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4718 finalize_signature->hasthis = 1;
4722 need_direct_wrapper = TRUE;
4725 * Use a separate cache indexed by methods to speed things up and to avoid the
4726 * boundless mempool growth caused by the signature_dup stuff below.
4729 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4731 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4732 res = mono_marshal_find_in_cache (cache, method);
4736 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4737 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4739 * Array Get/Set/Address methods. The JIT implements them using inline code
4740 * so we need to create an invoke wrapper which calls the method directly.
4742 need_direct_wrapper = TRUE;
4745 if (method->string_ctor) {
4746 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4748 callsig = add_string_ctor_signature (method);
4749 /* Can't share this as we push a string as this */
4750 need_direct_wrapper = TRUE;
4752 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4754 * Valuetype methods receive a managed pointer as the this argument.
4755 * Create a new signature to reflect this.
4757 callsig = signature_dup_add_this (method->klass->image, mono_method_signature (method), method->klass);
4758 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4759 need_direct_wrapper = TRUE;
4761 if (method->dynamic)
4762 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4764 callsig = mono_method_signature (method);
4768 target_klass = get_wrapper_target_class (method->klass->image);
4770 /* Try to share wrappers for non-corlib methods with simple signatures */
4771 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4772 callsig = cctor_signature;
4773 target_klass = mono_defaults.object_class;
4774 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4775 callsig = finalize_signature;
4776 target_klass = mono_defaults.object_class;
4779 if (need_direct_wrapper) {
4780 /* Already searched at the start */
4782 MonoMethodSignature *tmp_sig;
4784 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4786 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4787 (GHashFunc)mono_signature_hash,
4788 (GCompareFunc)runtime_invoke_signature_equal);
4790 /* from mono_marshal_find_in_cache */
4791 mono_marshal_lock ();
4792 res = g_hash_table_lookup (cache, callsig);
4793 mono_marshal_unlock ();
4800 /* Make a copy of the signature from the image mempool */
4802 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4806 sig = mono_method_signature (method);
4808 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4810 csig->ret = &mono_defaults.object_class->byval_arg;
4811 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4812 csig->params [0] = callsig->params [0];
4814 csig->params [0] = &mono_defaults.object_class->byval_arg;
4815 csig->params [1] = &mono_defaults.int_class->byval_arg;
4816 csig->params [2] = &mono_defaults.int_class->byval_arg;
4817 csig->params [3] = &mono_defaults.int_class->byval_arg;
4820 /* This is called from runtime code so it has to be cdecl */
4821 csig->call_convention = MONO_CALL_C;
4824 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4825 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4829 param_names [0] = "this";
4830 param_names [1] = "params";
4831 param_names [2] = "exc";
4832 param_names [3] = "method";
4833 mono_mb_set_param_names (mb, param_names);
4835 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4838 if (need_direct_wrapper) {
4840 mb->skip_visibility = 1;
4842 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4843 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4844 info->d.runtime_invoke.method = method;
4845 mono_marshal_set_wrapper_info (res, info);
4847 /* taken from mono_mb_create_and_cache */
4848 mono_marshal_lock ();
4849 res = g_hash_table_lookup (cache, callsig);
4850 mono_marshal_unlock ();
4852 /* Somebody may have created it before us */
4855 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4857 mono_marshal_lock ();
4858 res = g_hash_table_lookup (cache, callsig);
4861 g_hash_table_insert (cache, callsig, res);
4862 /* Can't insert it into wrapper_hash since the key is a signature */
4863 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4865 mono_free_method (newm);
4867 mono_marshal_unlock ();
4870 /* end mono_mb_create_and_cache */
4879 * mono_marshal_get_runtime_invoke_dynamic:
4881 * Return a method which can be used to invoke managed methods from native code
4883 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4884 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4885 * ARGS should point to an architecture specific structure containing
4886 * the arguments and space for the return value.
4887 * The other arguments are the same as for runtime_invoke (), except that
4888 * ARGS should contain the this argument too.
4889 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4890 * is only one copy of it, which is useful in full-aot.
4891 * The wrapper info for the wrapper is a WrapperInfo structure.
4894 mono_marshal_get_runtime_invoke_dynamic (void)
4896 static MonoMethod *method;
4897 MonoMethodSignature *csig;
4898 MonoExceptionClause *clause;
4899 MonoMethodBuilder *mb;
4907 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4909 csig->ret = &mono_defaults.void_class->byval_arg;
4910 csig->params [0] = &mono_defaults.int_class->byval_arg;
4911 csig->params [1] = &mono_defaults.int_class->byval_arg;
4912 csig->params [2] = &mono_defaults.int_class->byval_arg;
4913 csig->params [3] = &mono_defaults.int_class->byval_arg;
4915 name = g_strdup ("runtime_invoke_dynamic");
4916 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
4920 /* allocate local 0 (object) tmp */
4921 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4922 /* allocate local 1 (object) exc */
4923 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4925 /* cond set *exc to null */
4926 mono_mb_emit_byte (mb, CEE_LDARG_1);
4927 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4928 mono_mb_emit_byte (mb, 3);
4929 mono_mb_emit_byte (mb, CEE_LDARG_1);
4930 mono_mb_emit_byte (mb, CEE_LDNULL);
4931 mono_mb_emit_byte (mb, CEE_STIND_REF);
4933 emit_thread_force_interrupt_checkpoint (mb);
4935 mono_mb_emit_byte (mb, CEE_LDARG_0);
4936 mono_mb_emit_byte (mb, CEE_LDARG_2);
4937 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4938 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
4940 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4942 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
4943 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4944 clause->try_len = mono_mb_get_label (mb);
4947 clause->data.filter_offset = mono_mb_get_label (mb);
4949 mono_mb_emit_byte (mb, CEE_POP);
4950 mono_mb_emit_byte (mb, CEE_LDARG_1);
4951 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4952 mono_mb_emit_byte (mb, CEE_PREFIX1);
4953 mono_mb_emit_byte (mb, CEE_CGT_UN);
4954 mono_mb_emit_byte (mb, CEE_PREFIX1);
4955 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4957 clause->handler_offset = mono_mb_get_label (mb);
4960 /* store exception */
4961 mono_mb_emit_stloc (mb, 1);
4963 mono_mb_emit_byte (mb, CEE_LDARG_1);
4964 mono_mb_emit_ldloc (mb, 1);
4965 mono_mb_emit_byte (mb, CEE_STIND_REF);
4967 mono_mb_emit_byte (mb, CEE_LDNULL);
4968 mono_mb_emit_stloc (mb, 0);
4970 /* Check for the abort exception */
4971 mono_mb_emit_ldloc (mb, 1);
4972 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4973 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4975 /* Delay the abort exception */
4976 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
4978 mono_mb_patch_short_branch (mb, posna);
4979 mono_mb_emit_branch (mb, CEE_LEAVE);
4981 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4983 mono_mb_set_clauses (mb, 1, clause);
4986 mono_mb_patch_branch (mb, pos);
4987 //mono_mb_emit_ldloc (mb, 0);
4988 mono_mb_emit_byte (mb, CEE_RET);
4989 #endif /* DISABLE_JIT */
4991 mono_loader_lock ();
4992 /* double-checked locking */
4994 method = mono_mb_create_method (mb, csig, 16);
4995 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
4996 mono_marshal_set_wrapper_info (method, info);
4998 mono_loader_unlock ();
5007 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5009 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5010 klass->name_space, klass->name);
5012 mono_mb_emit_exception_marshal_directive (mb, msg);
5016 #ifndef DISABLE_REMOTING
5018 * mono_marshal_get_ldfld_remote_wrapper:
5019 * @klass: The return type
5021 * This method generates a wrapper for calling mono_load_remote_field_new.
5022 * The return type is ignored for now, as mono_load_remote_field_new () always
5023 * returns an object. In the future, to optimize some codepaths, we might
5024 * call a different function that takes a pointer to a valuetype, instead.
5027 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5029 MonoMethodSignature *sig, *csig;
5030 MonoMethodBuilder *mb;
5032 static MonoMethod* cached = NULL;
5034 mono_marshal_lock ();
5036 mono_marshal_unlock ();
5039 mono_marshal_unlock ();
5041 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5043 mb->method->save_lmf = 1;
5045 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5046 sig->params [0] = &mono_defaults.object_class->byval_arg;
5047 sig->params [1] = &mono_defaults.int_class->byval_arg;
5048 sig->params [2] = &mono_defaults.int_class->byval_arg;
5049 sig->ret = &mono_defaults.object_class->byval_arg;
5052 mono_mb_emit_ldarg (mb, 0);
5053 mono_mb_emit_ldarg (mb, 1);
5054 mono_mb_emit_ldarg (mb, 2);
5056 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5057 csig->params [0] = &mono_defaults.object_class->byval_arg;
5058 csig->params [1] = &mono_defaults.int_class->byval_arg;
5059 csig->params [2] = &mono_defaults.int_class->byval_arg;
5060 csig->ret = &mono_defaults.object_class->byval_arg;
5063 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5064 emit_thread_interrupt_checkpoint (mb);
5066 mono_mb_emit_byte (mb, CEE_RET);
5069 mono_marshal_lock ();
5071 mono_marshal_unlock ();
5074 newm = mono_mb_create_method (mb, sig, 4);
5075 mono_marshal_lock ();
5080 mono_marshal_unlock ();
5082 mono_marshal_unlock ();
5083 mono_free_method (newm);
5092 * mono_marshal_get_ldfld_wrapper:
5093 * @type: the type of the field
5095 * This method generates a function which can be use to load a field with type
5096 * @type from an object. The generated function has the following signature:
5097 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5100 mono_marshal_get_ldfld_wrapper (MonoType *type)
5102 MonoMethodSignature *sig;
5103 MonoMethodBuilder *mb;
5108 int t, pos0, pos1 = 0;
5110 type = mono_type_get_underlying_type (type);
5115 if (type->type == MONO_TYPE_SZARRAY) {
5116 klass = mono_defaults.array_class;
5117 } else if (type->type == MONO_TYPE_VALUETYPE) {
5118 klass = type->data.klass;
5119 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5120 klass = mono_defaults.object_class;
5121 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5122 klass = mono_defaults.int_class;
5123 } else if (t == MONO_TYPE_GENERICINST) {
5124 if (mono_type_generic_inst_is_valuetype (type))
5125 klass = mono_class_from_mono_type (type);
5127 klass = mono_defaults.object_class;
5129 klass = mono_class_from_mono_type (type);
5132 klass = mono_defaults.int_class;
5135 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5136 if ((res = mono_marshal_find_in_cache (cache, klass)))
5139 /* we add the %p pointer value of klass because class names are not unique */
5140 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5141 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5144 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5145 sig->params [0] = &mono_defaults.object_class->byval_arg;
5146 sig->params [1] = &mono_defaults.int_class->byval_arg;
5147 sig->params [2] = &mono_defaults.int_class->byval_arg;
5148 sig->params [3] = &mono_defaults.int_class->byval_arg;
5149 sig->ret = &klass->byval_arg;
5152 mono_mb_emit_ldarg (mb, 0);
5153 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5155 mono_mb_emit_ldarg (mb, 0);
5156 mono_mb_emit_ldarg (mb, 1);
5157 mono_mb_emit_ldarg (mb, 2);
5159 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5162 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5163 csig->params [0] = &mono_defaults.object_class->byval_arg;
5164 csig->params [1] = &mono_defaults.int_class->byval_arg;
5165 csig->params [2] = &mono_defaults.int_class->byval_arg;
5166 csig->ret = &klass->this_arg;
5169 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5170 emit_thread_interrupt_checkpoint (mb);
5173 if (klass->valuetype) {
5174 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5175 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5177 mono_mb_emit_byte (mb, CEE_RET);
5181 mono_mb_patch_branch (mb, pos0);
5183 mono_mb_emit_ldarg (mb, 0);
5184 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5185 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5186 mono_mb_emit_ldarg (mb, 3);
5187 mono_mb_emit_byte (mb, CEE_ADD);
5189 if (klass->valuetype)
5190 mono_mb_patch_branch (mb, pos1);
5195 case MONO_TYPE_BOOLEAN:
5196 case MONO_TYPE_CHAR:
5205 case MONO_TYPE_ARRAY:
5206 case MONO_TYPE_SZARRAY:
5207 case MONO_TYPE_OBJECT:
5208 case MONO_TYPE_CLASS:
5209 case MONO_TYPE_STRING:
5213 case MONO_TYPE_FNPTR:
5214 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5216 case MONO_TYPE_VALUETYPE:
5217 g_assert (!klass->enumtype);
5218 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5220 case MONO_TYPE_GENERICINST:
5221 if (mono_type_generic_inst_is_valuetype (type)) {
5222 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5224 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5228 g_warning ("type %x not implemented", type->type);
5229 g_assert_not_reached ();
5232 mono_mb_emit_byte (mb, CEE_RET);
5233 #endif /* DISABLE_JIT */
5235 res = mono_mb_create_and_cache (cache, klass,
5236 mb, sig, sig->param_count + 16);
5243 * mono_marshal_get_ldflda_wrapper:
5244 * @type: the type of the field
5246 * This method generates a function which can be used to load a field address
5247 * from an object. The generated function has the following signature:
5248 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5251 mono_marshal_get_ldflda_wrapper (MonoType *type)
5253 MonoMethodSignature *sig;
5254 MonoMethodBuilder *mb;
5259 int t, pos0, pos1, pos2, pos3;
5261 type = mono_type_get_underlying_type (type);
5265 if (type->type == MONO_TYPE_SZARRAY) {
5266 klass = mono_defaults.array_class;
5267 } else if (type->type == MONO_TYPE_VALUETYPE) {
5268 klass = type->data.klass;
5269 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5270 t == MONO_TYPE_CLASS) {
5271 klass = mono_defaults.object_class;
5272 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5273 klass = mono_defaults.int_class;
5274 } else if (t == MONO_TYPE_GENERICINST) {
5275 if (mono_type_generic_inst_is_valuetype (type))
5276 klass = mono_class_from_mono_type (type);
5278 klass = mono_defaults.object_class;
5280 klass = mono_class_from_mono_type (type);
5283 klass = mono_defaults.int_class;
5286 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5287 if ((res = mono_marshal_find_in_cache (cache, klass)))
5290 /* we add the %p pointer value of klass because class names are not unique */
5291 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5292 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5295 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5296 sig->params [0] = &mono_defaults.object_class->byval_arg;
5297 sig->params [1] = &mono_defaults.int_class->byval_arg;
5298 sig->params [2] = &mono_defaults.int_class->byval_arg;
5299 sig->params [3] = &mono_defaults.int_class->byval_arg;
5300 sig->ret = &mono_defaults.int_class->byval_arg;
5303 /* if typeof (this) != transparent_proxy goto pos0 */
5304 mono_mb_emit_ldarg (mb, 0);
5305 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5307 /* if same_appdomain goto pos1 */
5308 mono_mb_emit_ldarg (mb, 0);
5309 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5311 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5313 /* same app domain */
5314 mono_mb_patch_branch (mb, pos1);
5316 /* if typeof (this) != contextbound goto pos2 */
5317 mono_mb_emit_ldarg (mb, 0);
5318 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5320 /* if this->rp->context == mono_context_get goto pos3 */
5321 mono_mb_emit_ldarg (mb, 0);
5322 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5323 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5324 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5325 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5326 mono_mb_emit_icall (mb, mono_context_get);
5327 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5329 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5331 mono_mb_patch_branch (mb, pos2);
5332 mono_mb_patch_branch (mb, pos3);
5334 /* return the address of the field from this->rp->unwrapped_server */
5335 mono_mb_emit_ldarg (mb, 0);
5336 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5337 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5338 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5339 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5340 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5341 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5342 mono_mb_emit_ldarg (mb, 3);
5343 mono_mb_emit_byte (mb, CEE_ADD);
5344 mono_mb_emit_byte (mb, CEE_RET);
5346 /* not a proxy: return the address of the field directly */
5347 mono_mb_patch_branch (mb, pos0);
5349 mono_mb_emit_ldarg (mb, 0);
5350 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5351 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5352 mono_mb_emit_ldarg (mb, 3);
5353 mono_mb_emit_byte (mb, CEE_ADD);
5355 mono_mb_emit_byte (mb, CEE_RET);
5358 res = mono_mb_create_and_cache (cache, klass,
5359 mb, sig, sig->param_count + 16);
5366 * mono_marshal_get_stfld_remote_wrapper:
5367 * klass: The type of the field
5369 * This function generates a wrapper for calling mono_store_remote_field_new
5370 * with the appropriate signature.
5371 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5372 * klass argument anymore.
5375 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5377 MonoMethodSignature *sig, *csig;
5378 MonoMethodBuilder *mb;
5380 static MonoMethod *cached = NULL;
5382 mono_marshal_lock ();
5384 mono_marshal_unlock ();
5387 mono_marshal_unlock ();
5389 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5391 mb->method->save_lmf = 1;
5393 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5394 sig->params [0] = &mono_defaults.object_class->byval_arg;
5395 sig->params [1] = &mono_defaults.int_class->byval_arg;
5396 sig->params [2] = &mono_defaults.int_class->byval_arg;
5397 sig->params [3] = &mono_defaults.object_class->byval_arg;
5398 sig->ret = &mono_defaults.void_class->byval_arg;
5401 mono_mb_emit_ldarg (mb, 0);
5402 mono_mb_emit_ldarg (mb, 1);
5403 mono_mb_emit_ldarg (mb, 2);
5404 mono_mb_emit_ldarg (mb, 3);
5406 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5407 csig->params [0] = &mono_defaults.object_class->byval_arg;
5408 csig->params [1] = &mono_defaults.int_class->byval_arg;
5409 csig->params [2] = &mono_defaults.int_class->byval_arg;
5410 csig->params [3] = &mono_defaults.object_class->byval_arg;
5411 csig->ret = &mono_defaults.void_class->byval_arg;
5414 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5415 emit_thread_interrupt_checkpoint (mb);
5417 mono_mb_emit_byte (mb, CEE_RET);
5420 mono_marshal_lock ();
5422 mono_marshal_unlock ();
5425 newm = mono_mb_create_method (mb, sig, 6);
5426 mono_marshal_lock ();
5431 mono_marshal_unlock ();
5433 mono_marshal_unlock ();
5434 mono_free_method (newm);
5443 * mono_marshal_get_stfld_wrapper:
5444 * @type: the type of the field
5446 * This method generates a function which can be use to store a field with type
5447 * @type. The generated function has the following signature:
5448 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5451 mono_marshal_get_stfld_wrapper (MonoType *type)
5453 MonoMethodSignature *sig;
5454 MonoMethodBuilder *mb;
5461 type = mono_type_get_underlying_type (type);
5465 if (type->type == MONO_TYPE_SZARRAY) {
5466 klass = mono_defaults.array_class;
5467 } else if (type->type == MONO_TYPE_VALUETYPE) {
5468 klass = type->data.klass;
5469 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5470 klass = mono_defaults.object_class;
5471 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5472 klass = mono_defaults.int_class;
5473 } else if (t == MONO_TYPE_GENERICINST) {
5474 if (mono_type_generic_inst_is_valuetype (type))
5475 klass = mono_class_from_mono_type (type);
5477 klass = mono_defaults.object_class;
5479 klass = mono_class_from_mono_type (type);
5482 klass = mono_defaults.int_class;
5485 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5486 if ((res = mono_marshal_find_in_cache (cache, klass)))
5489 /* we add the %p pointer value of klass because class names are not unique */
5490 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5491 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5494 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5495 sig->params [0] = &mono_defaults.object_class->byval_arg;
5496 sig->params [1] = &mono_defaults.int_class->byval_arg;
5497 sig->params [2] = &mono_defaults.int_class->byval_arg;
5498 sig->params [3] = &mono_defaults.int_class->byval_arg;
5499 sig->params [4] = &klass->byval_arg;
5500 sig->ret = &mono_defaults.void_class->byval_arg;
5503 mono_mb_emit_ldarg (mb, 0);
5504 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5506 mono_mb_emit_ldarg (mb, 0);
5507 mono_mb_emit_ldarg (mb, 1);
5508 mono_mb_emit_ldarg (mb, 2);
5509 mono_mb_emit_ldarg (mb, 4);
5510 if (klass->valuetype)
5511 mono_mb_emit_op (mb, CEE_BOX, klass);
5513 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5515 mono_mb_emit_byte (mb, CEE_RET);
5517 mono_mb_patch_branch (mb, pos);
5519 mono_mb_emit_ldarg (mb, 0);
5520 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5521 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5522 mono_mb_emit_ldarg (mb, 3);
5523 mono_mb_emit_byte (mb, CEE_ADD);
5524 mono_mb_emit_ldarg (mb, 4);
5529 case MONO_TYPE_BOOLEAN:
5530 case MONO_TYPE_CHAR:
5539 case MONO_TYPE_ARRAY:
5540 case MONO_TYPE_SZARRAY:
5541 case MONO_TYPE_OBJECT:
5542 case MONO_TYPE_CLASS:
5543 case MONO_TYPE_STRING:
5547 case MONO_TYPE_FNPTR:
5548 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5550 case MONO_TYPE_VALUETYPE:
5551 g_assert (!klass->enumtype);
5552 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5554 case MONO_TYPE_GENERICINST:
5555 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5558 g_warning ("type %x not implemented", type->type);
5559 g_assert_not_reached ();
5562 mono_mb_emit_byte (mb, CEE_RET);
5565 res = mono_mb_create_and_cache (cache, klass,
5566 mb, sig, sig->param_count + 16);
5571 #endif /* DISABLE_REMOTING */
5574 * generates IL code for the icall wrapper (the generated method
5575 * calls the unmanaged code in func)
5576 * The wrapper info for the wrapper is a WrapperInfo structure.
5579 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5581 MonoMethodSignature *csig, *csig2;
5582 MonoMethodBuilder *mb;
5587 g_assert (sig->pinvoke);
5589 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5591 mb->method->save_lmf = 1;
5593 /* Add an explicit this argument */
5595 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5597 csig2 = signature_dup (mono_defaults.corlib, sig);
5601 mono_mb_emit_byte (mb, CEE_LDARG_0);
5603 for (i = 0; i < sig->param_count; i++)
5604 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5606 mono_mb_emit_native_call (mb, csig2, (gpointer) func);
5607 if (check_exceptions)
5608 emit_thread_interrupt_checkpoint (mb);
5609 mono_mb_emit_byte (mb, CEE_RET);
5612 csig = signature_dup (mono_defaults.corlib, sig);
5614 if (csig->call_convention == MONO_CALL_VARARG)
5615 csig->call_convention = 0;
5617 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5620 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5621 mono_marshal_set_wrapper_info (res, info);
5628 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5629 MonoMarshalSpec *spec,
5630 int conv_arg, MonoType **conv_arg_type,
5631 MarshalAction action)
5635 static MonoClass *ICustomMarshaler = NULL;
5636 static MonoMethod *cleanup_native, *cleanup_managed;
5637 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5638 MonoMethod *get_instance = NULL;
5639 MonoMethodBuilder *mb = m->mb;
5640 char *exception_msg = NULL;
5644 if (!ICustomMarshaler) {
5645 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5646 if (!ICustomMarshaler) {
5647 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5648 goto handle_exception;
5651 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5652 g_assert (cleanup_native);
5653 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5654 g_assert (cleanup_managed);
5655 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5656 g_assert (marshal_managed_to_native);
5657 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5658 g_assert (marshal_native_to_managed);
5661 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5662 g_assert (mtype != NULL);
5663 mklass = mono_class_from_mono_type (mtype);
5664 g_assert (mklass != NULL);
5666 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5667 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5669 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5671 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5672 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5673 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5674 (get_sig->params [0]->type != MONO_TYPE_STRING))
5675 get_instance = NULL;
5679 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);
5682 /* Throw exception and emit compensation code if neccesary */
5683 if (exception_msg) {
5685 case MARSHAL_ACTION_CONV_IN:
5686 case MARSHAL_ACTION_CONV_RESULT:
5687 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5688 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5689 mono_mb_emit_byte (mb, CEE_POP);
5691 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5692 g_free (exception_msg);
5695 case MARSHAL_ACTION_PUSH:
5696 mono_mb_emit_byte (mb, CEE_LDNULL);
5704 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5705 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5708 case MARSHAL_ACTION_CONV_IN:
5710 case MONO_TYPE_CLASS:
5711 case MONO_TYPE_OBJECT:
5712 case MONO_TYPE_STRING:
5713 case MONO_TYPE_ARRAY:
5714 case MONO_TYPE_SZARRAY:
5715 case MONO_TYPE_VALUETYPE:
5719 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5720 g_assert_not_reached ();
5724 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5726 mono_mb_emit_byte (mb, CEE_LDNULL);
5727 mono_mb_emit_stloc (mb, conv_arg);
5729 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5732 /* Minic MS.NET behavior */
5733 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5736 /* Check for null */
5737 mono_mb_emit_ldarg (mb, argnum);
5739 mono_mb_emit_byte (mb, CEE_LDIND_I);
5740 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5742 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5744 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5746 mono_mb_emit_ldarg (mb, argnum);
5748 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5750 if (t->type == MONO_TYPE_VALUETYPE) {
5752 * Since we can't determine the type of the argument, we
5753 * will assume the unmanaged function takes a pointer.
5755 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5757 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5760 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5761 mono_mb_emit_stloc (mb, conv_arg);
5763 mono_mb_patch_branch (mb, pos2);
5766 case MARSHAL_ACTION_CONV_OUT:
5767 /* Check for null */
5768 mono_mb_emit_ldloc (mb, conv_arg);
5769 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5772 mono_mb_emit_ldarg (mb, argnum);
5774 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5776 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5778 mono_mb_emit_ldloc (mb, conv_arg);
5779 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5780 mono_mb_emit_byte (mb, CEE_STIND_REF);
5781 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5782 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5784 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5786 mono_mb_emit_ldloc (mb, conv_arg);
5787 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5789 /* We have nowhere to store the result */
5790 mono_mb_emit_byte (mb, CEE_POP);
5793 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5795 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5797 mono_mb_emit_ldloc (mb, conv_arg);
5799 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5801 mono_mb_patch_branch (mb, pos2);
5804 case MARSHAL_ACTION_PUSH:
5806 mono_mb_emit_ldloc_addr (mb, conv_arg);
5808 mono_mb_emit_ldloc (mb, conv_arg);
5811 case MARSHAL_ACTION_CONV_RESULT:
5812 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5814 mono_mb_emit_stloc (mb, 3);
5816 mono_mb_emit_ldloc (mb, 3);
5817 mono_mb_emit_stloc (mb, loc1);
5819 /* Check for null */
5820 mono_mb_emit_ldloc (mb, 3);
5821 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5823 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5825 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5826 mono_mb_emit_byte (mb, CEE_DUP);
5828 mono_mb_emit_ldloc (mb, 3);
5829 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5830 mono_mb_emit_stloc (mb, 3);
5832 mono_mb_emit_ldloc (mb, loc1);
5833 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5835 mono_mb_patch_branch (mb, pos2);
5838 case MARSHAL_ACTION_MANAGED_CONV_IN:
5839 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5841 mono_mb_emit_byte (mb, CEE_LDNULL);
5842 mono_mb_emit_stloc (mb, conv_arg);
5844 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5847 /* Check for null */
5848 mono_mb_emit_ldarg (mb, argnum);
5850 mono_mb_emit_byte (mb, CEE_LDIND_I);
5851 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5853 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5854 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5856 mono_mb_emit_ldarg (mb, argnum);
5858 mono_mb_emit_byte (mb, CEE_LDIND_I);
5860 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5861 mono_mb_emit_stloc (mb, conv_arg);
5863 mono_mb_patch_branch (mb, pos2);
5866 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5867 g_assert (!t->byref);
5869 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5871 mono_mb_emit_stloc (mb, 3);
5873 mono_mb_emit_ldloc (mb, 3);
5874 mono_mb_emit_stloc (mb, loc1);
5876 /* Check for null */
5877 mono_mb_emit_ldloc (mb, 3);
5878 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5880 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5881 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5882 mono_mb_emit_byte (mb, CEE_DUP);
5884 mono_mb_emit_ldloc (mb, 3);
5885 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5886 mono_mb_emit_stloc (mb, 3);
5888 mono_mb_emit_ldloc (mb, loc1);
5889 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5891 mono_mb_patch_branch (mb, pos2);
5894 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5896 /* Check for null */
5897 mono_mb_emit_ldloc (mb, conv_arg);
5898 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5901 mono_mb_emit_ldarg (mb, argnum);
5903 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5905 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5907 mono_mb_emit_ldloc (mb, conv_arg);
5908 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5909 mono_mb_emit_byte (mb, CEE_STIND_I);
5912 /* Call CleanUpManagedData */
5913 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5915 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5917 mono_mb_emit_ldloc (mb, conv_arg);
5918 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5920 mono_mb_patch_branch (mb, pos2);
5924 g_assert_not_reached ();
5931 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5932 MonoMarshalSpec *spec,
5933 int conv_arg, MonoType **conv_arg_type,
5934 MarshalAction action)
5936 MonoMethodBuilder *mb = m->mb;
5939 case MARSHAL_ACTION_CONV_IN: {
5940 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5942 g_assert (t->type == MONO_TYPE_OBJECT);
5943 g_assert (!t->byref);
5945 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5946 mono_mb_emit_ldarg (mb, argnum);
5947 mono_mb_emit_icon (mb, encoding);
5948 mono_mb_emit_icon (mb, t->attrs);
5949 mono_mb_emit_icall (mb, mono_marshal_asany);
5950 mono_mb_emit_stloc (mb, conv_arg);
5954 case MARSHAL_ACTION_PUSH:
5955 mono_mb_emit_ldloc (mb, conv_arg);
5958 case MARSHAL_ACTION_CONV_OUT: {
5959 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5961 mono_mb_emit_ldarg (mb, argnum);
5962 mono_mb_emit_ldloc (mb, conv_arg);
5963 mono_mb_emit_icon (mb, encoding);
5964 mono_mb_emit_icon (mb, t->attrs);
5965 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5970 g_assert_not_reached ();
5977 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5978 MonoMarshalSpec *spec,
5979 int conv_arg, MonoType **conv_arg_type,
5980 MarshalAction action)
5982 MonoMethodBuilder *mb = m->mb;
5983 MonoClass *klass, *date_time_class;
5986 klass = mono_class_from_mono_type (t);
5988 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
5991 case MARSHAL_ACTION_CONV_IN:
5992 if (klass == date_time_class) {
5993 /* Convert it to an OLE DATE type */
5994 static MonoMethod *to_oadate;
5997 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
5998 g_assert (to_oadate);
6000 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6003 mono_mb_emit_ldarg (mb, argnum);
6004 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6007 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6009 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6011 mono_mb_emit_ldarg_addr (mb, argnum);
6012 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6013 mono_mb_emit_stloc (mb, conv_arg);
6017 mono_mb_patch_branch (mb, pos);
6021 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6022 klass->blittable || klass->enumtype)
6025 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6027 /* store the address of the source into local variable 0 */
6029 mono_mb_emit_ldarg (mb, argnum);
6031 mono_mb_emit_ldarg_addr (mb, argnum);
6033 mono_mb_emit_stloc (mb, 0);
6035 /* allocate space for the native struct and
6036 * store the address into local variable 1 (dest) */
6037 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6038 mono_mb_emit_byte (mb, CEE_PREFIX1);
6039 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6040 mono_mb_emit_stloc (mb, conv_arg);
6043 mono_mb_emit_ldloc (mb, 0);
6044 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6047 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6049 mono_mb_emit_ldloc (mb, conv_arg);
6050 mono_mb_emit_stloc (mb, 1);
6052 /* emit valuetype conversion code */
6053 emit_struct_conv (mb, klass, FALSE);
6057 mono_mb_patch_branch (mb, pos);
6060 case MARSHAL_ACTION_PUSH:
6061 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6063 g_assert (!t->byref);
6065 /* Have to change the signature since the vtype is passed byref */
6066 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6068 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6069 klass->blittable || klass->enumtype)
6070 mono_mb_emit_ldarg_addr (mb, argnum);
6072 mono_mb_emit_ldloc (mb, conv_arg);
6076 if (klass == date_time_class) {
6078 mono_mb_emit_ldloc_addr (mb, conv_arg);
6080 mono_mb_emit_ldloc (mb, conv_arg);
6084 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6085 klass->blittable || klass->enumtype) {
6086 mono_mb_emit_ldarg (mb, argnum);
6089 mono_mb_emit_ldloc (mb, conv_arg);
6091 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6092 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6096 case MARSHAL_ACTION_CONV_OUT:
6097 if (klass == date_time_class) {
6098 /* Convert from an OLE DATE type */
6099 static MonoMethod *from_oadate;
6104 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6106 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6107 g_assert (from_oadate);
6109 mono_mb_emit_ldarg (mb, argnum);
6110 mono_mb_emit_ldloc (mb, conv_arg);
6111 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6112 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6117 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6118 klass->blittable || klass->enumtype)
6122 /* dst = argument */
6123 mono_mb_emit_ldarg (mb, argnum);
6124 mono_mb_emit_stloc (mb, 1);
6126 mono_mb_emit_ldloc (mb, 1);
6127 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6129 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6130 /* src = tmp_locals [i] */
6131 mono_mb_emit_ldloc (mb, conv_arg);
6132 mono_mb_emit_stloc (mb, 0);
6134 /* emit valuetype conversion code */
6135 emit_struct_conv (mb, klass, TRUE);
6139 emit_struct_free (mb, klass, conv_arg);
6142 mono_mb_patch_branch (mb, pos);
6145 case MARSHAL_ACTION_CONV_RESULT:
6146 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6148 mono_mb_emit_stloc (mb, 3);
6152 /* load pointer to returned value type */
6153 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6154 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6155 /* store the address of the source into local variable 0 */
6156 mono_mb_emit_stloc (mb, 0);
6158 mono_mb_emit_ldloc_addr (mb, 3);
6159 mono_mb_emit_stloc (mb, 1);
6161 /* emit valuetype conversion code */
6162 emit_struct_conv (mb, klass, TRUE);
6165 case MARSHAL_ACTION_MANAGED_CONV_IN:
6166 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6167 klass->blittable || klass->enumtype) {
6172 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6174 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6178 mono_mb_emit_ldarg (mb, argnum);
6180 mono_mb_emit_ldarg_addr (mb, argnum);
6181 mono_mb_emit_stloc (mb, 0);
6184 mono_mb_emit_ldloc (mb, 0);
6185 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6188 mono_mb_emit_ldloc_addr (mb, conv_arg);
6189 mono_mb_emit_stloc (mb, 1);
6191 /* emit valuetype conversion code */
6192 emit_struct_conv (mb, klass, TRUE);
6195 mono_mb_patch_branch (mb, pos);
6198 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6199 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6200 klass->blittable || klass->enumtype) {
6204 /* Check for null */
6205 mono_mb_emit_ldarg (mb, argnum);
6206 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6209 mono_mb_emit_ldloc_addr (mb, conv_arg);
6210 mono_mb_emit_stloc (mb, 0);
6213 mono_mb_emit_ldarg (mb, argnum);
6214 mono_mb_emit_stloc (mb, 1);
6216 /* emit valuetype conversion code */
6217 emit_struct_conv (mb, klass, FALSE);
6219 mono_mb_patch_branch (mb, pos2);
6222 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6223 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6224 klass->blittable || klass->enumtype) {
6225 mono_mb_emit_stloc (mb, 3);
6230 /* load pointer to returned value type */
6231 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6232 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6234 /* store the address of the source into local variable 0 */
6235 mono_mb_emit_stloc (mb, 0);
6236 /* allocate space for the native struct and
6237 * store the address into dst_ptr */
6238 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6239 m->retobj_class = klass;
6240 g_assert (m->retobj_var);
6241 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6242 mono_mb_emit_byte (mb, CEE_CONV_I);
6243 mono_mb_emit_icall (mb, mono_marshal_alloc);
6244 mono_mb_emit_stloc (mb, 1);
6245 mono_mb_emit_ldloc (mb, 1);
6246 mono_mb_emit_stloc (mb, m->retobj_var);
6248 /* emit valuetype conversion code */
6249 emit_struct_conv (mb, klass, FALSE);
6253 g_assert_not_reached ();
6260 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6261 MonoMarshalSpec *spec,
6262 int conv_arg, MonoType **conv_arg_type,
6263 MarshalAction action)
6265 MonoMethodBuilder *mb = m->mb;
6266 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6267 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6271 case MARSHAL_ACTION_CONV_IN:
6272 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6273 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6276 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6279 mono_mb_emit_ldarg (mb, argnum);
6280 mono_mb_emit_byte (mb, CEE_LDIND_I);
6282 mono_mb_emit_ldarg (mb, argnum);
6286 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6287 mono_mb_emit_exception_marshal_directive (mb, msg);
6289 mono_mb_emit_icall (mb, conv_to_icall (conv));
6291 mono_mb_emit_stloc (mb, conv_arg);
6295 case MARSHAL_ACTION_CONV_OUT:
6296 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6298 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6299 mono_mb_emit_exception_marshal_directive (mb, msg);
6303 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6304 static MonoMethod *m;
6307 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6312 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6313 mono_mb_emit_exception_marshal_directive (mb, msg);
6318 * Have to allocate a new string with the same length as the original, and
6319 * copy the contents of the buffer pointed to by CONV_ARG into it.
6321 g_assert (t->byref);
6322 mono_mb_emit_ldarg (mb, argnum);
6323 mono_mb_emit_ldloc (mb, conv_arg);
6324 mono_mb_emit_ldarg (mb, argnum);
6325 mono_mb_emit_byte (mb, CEE_LDIND_I);
6326 mono_mb_emit_managed_call (mb, m, NULL);
6327 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6328 mono_mb_emit_byte (mb, CEE_STIND_REF);
6329 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6330 mono_mb_emit_ldarg (mb, argnum);
6331 mono_mb_emit_ldloc (mb, conv_arg);
6332 mono_mb_emit_icall (mb, conv_to_icall (conv));
6333 mono_mb_emit_byte (mb, CEE_STIND_REF);
6338 mono_mb_emit_ldloc (mb, conv_arg);
6339 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6340 mono_mb_emit_icall (mb, mono_free_bstr);
6342 mono_mb_emit_icall (mb, mono_marshal_free);
6346 case MARSHAL_ACTION_PUSH:
6347 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6348 mono_mb_emit_ldloc_addr (mb, conv_arg);
6350 mono_mb_emit_ldloc (mb, conv_arg);
6353 case MARSHAL_ACTION_CONV_RESULT:
6354 mono_mb_emit_stloc (mb, 0);
6356 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6358 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6359 mono_mb_emit_exception_marshal_directive (mb, msg);
6363 mono_mb_emit_ldloc (mb, 0);
6364 mono_mb_emit_icall (mb, conv_to_icall (conv));
6365 mono_mb_emit_stloc (mb, 3);
6367 /* free the string */
6368 mono_mb_emit_ldloc (mb, 0);
6369 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6370 mono_mb_emit_icall (mb, mono_free_bstr);
6372 mono_mb_emit_icall (mb, mono_marshal_free);
6375 case MARSHAL_ACTION_MANAGED_CONV_IN:
6376 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6378 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6381 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6385 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6387 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6388 mono_mb_emit_exception_marshal_directive (mb, msg);
6392 mono_mb_emit_ldarg (mb, argnum);
6394 mono_mb_emit_byte (mb, CEE_LDIND_I);
6395 mono_mb_emit_icall (mb, conv_to_icall (conv));
6396 mono_mb_emit_stloc (mb, conv_arg);
6399 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6402 mono_mb_emit_ldarg (mb, argnum);
6403 mono_mb_emit_ldloc (mb, conv_arg);
6404 mono_mb_emit_icall (mb, conv_to_icall (conv));
6405 mono_mb_emit_byte (mb, CEE_STIND_I);
6410 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6411 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6412 /* We need to make a copy so the caller is able to free it */
6413 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6415 mono_mb_emit_icall (mb, conv_to_icall (conv));
6416 mono_mb_emit_stloc (mb, 3);
6420 g_assert_not_reached ();
6427 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6428 MonoMarshalSpec *spec, int conv_arg,
6429 MonoType **conv_arg_type, MarshalAction action)
6431 MonoMethodBuilder *mb = m->mb;
6434 case MARSHAL_ACTION_CONV_IN: {
6435 MonoType *intptr_type;
6436 int dar_release_slot, pos;
6438 intptr_type = &mono_defaults.int_class->byval_arg;
6439 conv_arg = mono_mb_add_local (mb, intptr_type);
6440 *conv_arg_type = intptr_type;
6442 if (!sh_dangerous_add_ref)
6443 init_safe_handle ();
6445 mono_mb_emit_ldarg (mb, argnum);
6446 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6447 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6449 mono_mb_patch_branch (mb, pos);
6452 * My tests in show that ref SafeHandles are not really
6453 * passed as ref objects. Instead a NULL is passed as the
6456 mono_mb_emit_icon (mb, 0);
6457 mono_mb_emit_stloc (mb, conv_arg);
6461 /* Create local to hold the ref parameter to DangerousAddRef */
6462 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6464 /* set release = false; */
6465 mono_mb_emit_icon (mb, 0);
6466 mono_mb_emit_stloc (mb, dar_release_slot);
6468 /* safehandle.DangerousAddRef (ref release) */
6469 mono_mb_emit_ldarg (mb, argnum);
6470 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6471 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6473 /* Pull the handle field from SafeHandle */
6474 mono_mb_emit_ldarg (mb, argnum);
6475 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6476 mono_mb_emit_byte (mb, CEE_LDIND_I);
6477 mono_mb_emit_stloc (mb, conv_arg);
6482 case MARSHAL_ACTION_PUSH:
6484 mono_mb_emit_ldloc_addr (mb, conv_arg);
6486 mono_mb_emit_ldloc (mb, conv_arg);
6489 case MARSHAL_ACTION_CONV_OUT: {
6490 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6491 int dar_release_slot = conv_arg + 1;
6494 if (!sh_dangerous_release)
6495 init_safe_handle ();
6501 * My tests indicate that ref SafeHandles parameters are not actually
6502 * passed by ref, but instead a new Handle is created regardless of
6503 * whether a change happens in the unmanaged side.
6505 * Also, the Handle is created before calling into unmanaged code,
6506 * but we do not support that mechanism (getting to the original
6507 * handle) and it makes no difference where we create this
6509 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6511 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6514 /* refval = new SafeHandleDerived ()*/
6515 mono_mb_emit_ldarg (mb, argnum);
6516 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6517 mono_mb_emit_byte (mb, CEE_STIND_REF);
6519 /* refval.handle = returned_handle */
6520 mono_mb_emit_ldarg (mb, argnum);
6521 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6522 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6523 mono_mb_emit_ldloc (mb, conv_arg);
6524 mono_mb_emit_byte (mb, CEE_STIND_I);
6526 mono_mb_emit_ldloc (mb, dar_release_slot);
6527 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6528 mono_mb_emit_ldarg (mb, argnum);
6529 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6530 mono_mb_patch_branch (mb, label_next);
6535 case MARSHAL_ACTION_CONV_RESULT: {
6536 MonoMethod *ctor = NULL;
6537 int intptr_handle_slot;
6539 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6540 mono_mb_emit_byte (mb, CEE_POP);
6541 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6545 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6547 mono_mb_emit_byte (mb, CEE_POP);
6548 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6551 /* Store the IntPtr results into a local */
6552 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6553 mono_mb_emit_stloc (mb, intptr_handle_slot);
6555 /* Create return value */
6556 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6557 mono_mb_emit_stloc (mb, 3);
6559 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6560 mono_mb_emit_ldloc (mb, 3);
6561 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6562 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6563 mono_mb_emit_byte (mb, CEE_STIND_I);
6567 case MARSHAL_ACTION_MANAGED_CONV_IN:
6568 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6571 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6572 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6575 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6576 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6579 printf ("Unhandled case for MarshalAction: %d\n", action);
6586 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6587 MonoMarshalSpec *spec, int conv_arg,
6588 MonoType **conv_arg_type, MarshalAction action)
6590 MonoMethodBuilder *mb = m->mb;
6593 case MARSHAL_ACTION_CONV_IN: {
6594 MonoType *intptr_type;
6596 intptr_type = &mono_defaults.int_class->byval_arg;
6597 conv_arg = mono_mb_add_local (mb, intptr_type);
6598 *conv_arg_type = intptr_type;
6601 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6602 mono_mb_emit_exception_marshal_directive (mb, msg);
6605 mono_mb_emit_ldarg_addr (mb, argnum);
6606 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6607 mono_mb_emit_byte (mb, CEE_ADD);
6608 mono_mb_emit_byte (mb, CEE_LDIND_I);
6609 mono_mb_emit_stloc (mb, conv_arg);
6613 case MARSHAL_ACTION_PUSH:
6614 mono_mb_emit_ldloc (mb, conv_arg);
6617 case MARSHAL_ACTION_CONV_OUT: {
6618 /* no resource release required */
6622 case MARSHAL_ACTION_CONV_RESULT: {
6623 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6624 mono_mb_emit_exception_marshal_directive (mb, msg);
6628 case MARSHAL_ACTION_MANAGED_CONV_IN:
6629 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6632 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6633 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6636 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6637 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6640 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6647 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6648 MonoMarshalSpec *spec,
6649 int conv_arg, MonoType **conv_arg_type,
6650 MarshalAction action)
6652 MonoMethodBuilder *mb = m->mb;
6653 MonoClass *klass = mono_class_from_mono_type (t);
6657 case MARSHAL_ACTION_CONV_IN:
6658 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6659 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6661 m->orig_conv_args [argnum] = 0;
6663 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6664 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6665 mono_mb_emit_exception_marshal_directive (mb, msg);
6669 if (klass->delegate) {
6671 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6672 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6673 mono_mb_emit_exception_marshal_directive (mb, msg);
6675 mono_mb_emit_byte (mb, CEE_LDNULL);
6676 mono_mb_emit_stloc (mb, conv_arg);
6678 mono_mb_emit_ldarg (mb, argnum);
6679 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6680 mono_mb_emit_stloc (mb, conv_arg);
6682 } else if (klass == mono_defaults.stringbuilder_class) {
6683 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6684 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6688 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6689 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6690 mono_mb_emit_exception_marshal_directive (mb, msg);
6696 if (t->byref && !t->attrs & PARAM_ATTRIBUTE_IN && t->attrs & PARAM_ATTRIBUTE_OUT)
6700 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6701 mono_mb_emit_exception_marshal_directive (mb, msg);
6705 mono_mb_emit_ldarg (mb, argnum);
6707 mono_mb_emit_byte (mb, CEE_LDIND_I);
6709 mono_mb_emit_icall (mb, conv_to_icall (conv));
6710 mono_mb_emit_stloc (mb, conv_arg);
6711 } else if (klass->blittable) {
6712 mono_mb_emit_byte (mb, CEE_LDNULL);
6713 mono_mb_emit_stloc (mb, conv_arg);
6715 mono_mb_emit_ldarg (mb, argnum);
6716 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6718 mono_mb_emit_ldarg (mb, argnum);
6719 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6720 mono_mb_emit_stloc (mb, conv_arg);
6722 mono_mb_patch_branch (mb, pos);
6725 mono_mb_emit_byte (mb, CEE_LDNULL);
6726 mono_mb_emit_stloc (mb, conv_arg);
6729 /* we dont need any conversions for out parameters */
6730 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6733 mono_mb_emit_ldarg (mb, argnum);
6734 mono_mb_emit_byte (mb, CEE_LDIND_I);
6737 mono_mb_emit_ldarg (mb, argnum);
6738 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6739 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6742 /* store the address of the source into local variable 0 */
6743 mono_mb_emit_stloc (mb, 0);
6744 mono_mb_emit_ldloc (mb, 0);
6745 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6747 /* allocate space for the native struct and store the address */
6748 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6749 mono_mb_emit_byte (mb, CEE_PREFIX1);
6750 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6751 mono_mb_emit_stloc (mb, conv_arg);
6754 /* Need to store the original buffer so we can free it later */
6755 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6756 mono_mb_emit_ldloc (mb, conv_arg);
6757 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6760 /* set the src_ptr */
6761 mono_mb_emit_ldloc (mb, 0);
6762 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6763 mono_mb_emit_stloc (mb, 0);
6766 mono_mb_emit_ldloc (mb, conv_arg);
6767 mono_mb_emit_stloc (mb, 1);
6769 /* emit valuetype conversion code */
6770 emit_struct_conv (mb, klass, FALSE);
6772 mono_mb_patch_branch (mb, pos);
6776 case MARSHAL_ACTION_CONV_OUT:
6777 if (klass == mono_defaults.stringbuilder_class) {
6779 MonoMarshalNative encoding;
6780 MonoMarshalConv conv;
6782 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6783 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6785 g_assert (encoding != -1);
6788 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
6792 mono_mb_emit_ldarg (mb, argnum);
6793 mono_mb_emit_ldloc (mb, conv_arg);
6796 case MONO_NATIVE_LPWSTR:
6797 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6799 case MONO_NATIVE_LPSTR:
6800 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6803 g_assert_not_reached ();
6806 mono_mb_emit_byte (mb, CEE_STIND_REF);
6808 mono_mb_emit_ldarg (mb, argnum);
6809 mono_mb_emit_ldloc (mb, conv_arg);
6811 mono_mb_emit_icall (mb, conv_to_icall (conv));
6815 mono_mb_emit_ldloc (mb, conv_arg);
6816 mono_mb_emit_icall (mb, mono_marshal_free);
6821 if (klass->delegate) {
6823 mono_mb_emit_ldarg (mb, argnum);
6824 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6825 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6826 mono_mb_emit_ldloc (mb, conv_arg);
6827 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6828 mono_mb_emit_byte (mb, CEE_STIND_REF);
6833 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6834 /* allocate a new object */
6835 mono_mb_emit_ldarg (mb, argnum);
6836 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6837 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6838 mono_mb_emit_byte (mb, CEE_STIND_REF);
6841 /* dst = *argument */
6842 mono_mb_emit_ldarg (mb, argnum);
6845 mono_mb_emit_byte (mb, CEE_LDIND_I);
6847 mono_mb_emit_stloc (mb, 1);
6849 mono_mb_emit_ldloc (mb, 1);
6850 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6852 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6853 mono_mb_emit_ldloc (mb, 1);
6854 mono_mb_emit_icon (mb, sizeof (MonoObject));
6855 mono_mb_emit_byte (mb, CEE_ADD);
6856 mono_mb_emit_stloc (mb, 1);
6858 /* src = tmp_locals [i] */
6859 mono_mb_emit_ldloc (mb, conv_arg);
6860 mono_mb_emit_stloc (mb, 0);
6862 /* emit valuetype conversion code */
6863 emit_struct_conv (mb, klass, TRUE);
6865 /* Free the structure returned by the native code */
6866 emit_struct_free (mb, klass, conv_arg);
6868 if (m->orig_conv_args [argnum]) {
6870 * If the native function changed the pointer, then free
6871 * the original structure plus the new pointer.
6873 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
6874 mono_mb_emit_ldloc (mb, conv_arg);
6875 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
6877 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6878 g_assert (m->orig_conv_args [argnum]);
6880 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
6883 mono_mb_emit_ldloc (mb, conv_arg);
6884 mono_mb_emit_icall (mb, mono_marshal_free);
6886 mono_mb_patch_branch (mb, pos2);
6890 /* Free the original structure passed to native code */
6891 emit_struct_free (mb, klass, conv_arg);
6893 mono_mb_patch_branch (mb, pos);
6896 case MARSHAL_ACTION_PUSH:
6898 mono_mb_emit_ldloc_addr (mb, conv_arg);
6900 mono_mb_emit_ldloc (mb, conv_arg);
6903 case MARSHAL_ACTION_CONV_RESULT:
6904 if (klass->delegate) {
6905 g_assert (!t->byref);
6906 mono_mb_emit_stloc (mb, 0);
6907 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6908 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6909 mono_mb_emit_ldloc (mb, 0);
6910 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6911 mono_mb_emit_stloc (mb, 3);
6914 mono_mb_emit_stloc (mb, 0);
6916 /* Make a copy since emit_conv modifies local 0 */
6917 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6918 mono_mb_emit_ldloc (mb, 0);
6919 mono_mb_emit_stloc (mb, loc);
6921 mono_mb_emit_byte (mb, CEE_LDNULL);
6922 mono_mb_emit_stloc (mb, 3);
6924 mono_mb_emit_ldloc (mb, 0);
6925 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6927 /* allocate result object */
6929 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6930 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6931 mono_mb_emit_stloc (mb, 3);
6935 mono_mb_emit_ldloc (mb, 3);
6936 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6937 mono_mb_emit_stloc (mb, 1);
6939 /* emit conversion code */
6940 emit_struct_conv (mb, klass, TRUE);
6942 emit_struct_free (mb, klass, loc);
6944 /* Free the pointer allocated by unmanaged code */
6945 mono_mb_emit_ldloc (mb, loc);
6946 mono_mb_emit_icall (mb, mono_marshal_free);
6947 mono_mb_patch_branch (mb, pos);
6951 case MARSHAL_ACTION_MANAGED_CONV_IN:
6952 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6954 if (klass->delegate) {
6955 g_assert (!t->byref);
6956 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6957 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6958 mono_mb_emit_ldarg (mb, argnum);
6959 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6960 mono_mb_emit_stloc (mb, conv_arg);
6964 if (klass == mono_defaults.stringbuilder_class) {
6965 MonoMarshalNative encoding;
6967 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6970 g_assert (encoding == MONO_NATIVE_LPSTR);
6972 g_assert (!t->byref);
6973 g_assert (encoding != -1);
6975 mono_mb_emit_ldarg (mb, argnum);
6976 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6977 mono_mb_emit_stloc (mb, conv_arg);
6981 /* The class can not have an automatic layout */
6982 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6983 mono_mb_emit_auto_layout_exception (mb, klass);
6987 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6988 mono_mb_emit_byte (mb, CEE_LDNULL);
6989 mono_mb_emit_stloc (mb, conv_arg);
6994 mono_mb_emit_ldarg (mb, argnum);
6998 /* Check for NULL and raise an exception */
6999 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7001 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7003 mono_mb_patch_branch (mb, pos2);
7004 mono_mb_emit_ldarg (mb, argnum);
7005 mono_mb_emit_byte (mb, CEE_LDIND_I);
7008 mono_mb_emit_stloc (mb, 0);
7010 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7011 mono_mb_emit_stloc (mb, conv_arg);
7013 mono_mb_emit_ldloc (mb, 0);
7014 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7016 /* Create and set dst */
7017 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7018 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7019 mono_mb_emit_stloc (mb, conv_arg);
7020 mono_mb_emit_ldloc (mb, conv_arg);
7021 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7022 mono_mb_emit_stloc (mb, 1);
7024 /* emit valuetype conversion code */
7025 emit_struct_conv (mb, klass, TRUE);
7027 mono_mb_patch_branch (mb, pos);
7030 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7032 /* Check for null */
7033 mono_mb_emit_ldloc (mb, conv_arg);
7034 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7035 mono_mb_emit_ldarg (mb, argnum);
7036 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7037 mono_mb_emit_byte (mb, CEE_STIND_REF);
7038 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7040 mono_mb_patch_branch (mb, pos);
7043 mono_mb_emit_ldloc (mb, conv_arg);
7044 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7045 mono_mb_emit_stloc (mb, 0);
7047 /* Allocate and set dest */
7048 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7049 mono_mb_emit_byte (mb, CEE_CONV_I);
7050 mono_mb_emit_icall (mb, mono_marshal_alloc);
7051 mono_mb_emit_stloc (mb, 1);
7053 /* Update argument pointer */
7054 mono_mb_emit_ldarg (mb, argnum);
7055 mono_mb_emit_ldloc (mb, 1);
7056 mono_mb_emit_byte (mb, CEE_STIND_I);
7058 /* emit valuetype conversion code */
7059 emit_struct_conv (mb, klass, FALSE);
7061 mono_mb_patch_branch (mb, pos2);
7063 /* byval [Out] marshalling */
7065 /* FIXME: Handle null */
7068 mono_mb_emit_ldloc (mb, conv_arg);
7069 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7070 mono_mb_emit_stloc (mb, 0);
7073 mono_mb_emit_ldarg (mb, argnum);
7074 mono_mb_emit_stloc (mb, 1);
7076 /* emit valuetype conversion code */
7077 emit_struct_conv (mb, klass, FALSE);
7081 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7082 if (klass->delegate) {
7083 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7084 mono_mb_emit_stloc (mb, 3);
7088 /* The class can not have an automatic layout */
7089 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7090 mono_mb_emit_auto_layout_exception (mb, klass);
7094 mono_mb_emit_stloc (mb, 0);
7095 /* Check for null */
7096 mono_mb_emit_ldloc (mb, 0);
7097 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7098 mono_mb_emit_byte (mb, CEE_LDNULL);
7099 mono_mb_emit_stloc (mb, 3);
7100 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7102 mono_mb_patch_branch (mb, pos);
7105 mono_mb_emit_ldloc (mb, 0);
7106 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7107 mono_mb_emit_stloc (mb, 0);
7109 /* Allocate and set dest */
7110 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7111 mono_mb_emit_byte (mb, CEE_CONV_I);
7112 mono_mb_emit_icall (mb, mono_marshal_alloc);
7113 mono_mb_emit_byte (mb, CEE_DUP);
7114 mono_mb_emit_stloc (mb, 1);
7115 mono_mb_emit_stloc (mb, 3);
7117 emit_struct_conv (mb, klass, FALSE);
7119 mono_mb_patch_branch (mb, pos2);
7123 g_assert_not_reached ();
7133 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7134 MonoMarshalSpec *spec,
7135 int conv_arg, MonoType **conv_arg_type,
7136 MarshalAction action)
7138 MonoMethodBuilder *mb = m->mb;
7139 static MonoMethod *get_object_for_native_variant = NULL;
7140 static MonoMethod *get_native_variant_for_object = NULL;
7142 mono_init_com_types ();
7144 if (!get_object_for_native_variant)
7145 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7146 g_assert (get_object_for_native_variant);
7148 if (!get_native_variant_for_object)
7149 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7150 g_assert (get_native_variant_for_object);
7153 case MARSHAL_ACTION_CONV_IN: {
7154 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
7157 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7159 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7161 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7164 mono_mb_emit_ldarg (mb, argnum);
7166 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7167 mono_mb_emit_ldloc_addr (mb, conv_arg);
7168 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7172 case MARSHAL_ACTION_CONV_OUT: {
7173 static MonoMethod *variant_clear = NULL;
7176 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
7177 g_assert (variant_clear);
7180 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7181 mono_mb_emit_ldarg (mb, argnum);
7182 mono_mb_emit_ldloc_addr (mb, conv_arg);
7183 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7184 mono_mb_emit_byte (mb, CEE_STIND_REF);
7187 mono_mb_emit_ldloc_addr (mb, conv_arg);
7188 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7192 case MARSHAL_ACTION_PUSH:
7194 mono_mb_emit_ldloc_addr (mb, conv_arg);
7196 mono_mb_emit_ldloc (mb, conv_arg);
7199 case MARSHAL_ACTION_CONV_RESULT: {
7200 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7201 mono_mb_emit_exception_marshal_directive (mb, msg);
7205 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7206 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7209 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7211 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7213 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7217 mono_mb_emit_ldarg (mb, argnum);
7219 mono_mb_emit_ldarg_addr (mb, argnum);
7220 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7221 mono_mb_emit_stloc (mb, conv_arg);
7225 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7226 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7227 mono_mb_emit_ldloc (mb, conv_arg);
7228 mono_mb_emit_ldarg (mb, argnum);
7229 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7234 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7235 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7236 mono_mb_emit_exception_marshal_directive (mb, msg);
7241 g_assert_not_reached ();
7247 #endif /* DISABLE_COM */
7250 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7252 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7253 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7255 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7257 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7268 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7269 MonoMarshalSpec *spec,
7270 int conv_arg, MonoType **conv_arg_type,
7271 MarshalAction action)
7273 MonoMethodBuilder *mb = m->mb;
7274 MonoClass *klass = mono_class_from_mono_type (t);
7275 gboolean need_convert, need_free;
7276 MonoMarshalNative encoding;
7278 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7281 case MARSHAL_ACTION_CONV_IN:
7282 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7283 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7285 if (klass->element_class->blittable) {
7286 mono_mb_emit_ldarg (mb, argnum);
7288 mono_mb_emit_byte (mb, CEE_LDIND_I);
7289 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7290 mono_mb_emit_stloc (mb, conv_arg);
7293 guint32 label1, label2, label3;
7294 int index_var, src_var, dest_ptr, esize;
7295 MonoMarshalConv conv;
7296 gboolean is_string = FALSE;
7298 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7300 eklass = klass->element_class;
7302 if (eklass == mono_defaults.string_class) {
7304 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7306 else if (eklass == mono_defaults.stringbuilder_class) {
7308 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7313 if (is_string && conv == -1) {
7314 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7315 mono_mb_emit_exception_marshal_directive (mb, msg);
7319 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7320 mono_mb_emit_ldarg (mb, argnum);
7322 mono_mb_emit_byte (mb, CEE_LDIND_I);
7323 mono_mb_emit_stloc (mb, src_var);
7326 mono_mb_emit_ldloc (mb, src_var);
7327 mono_mb_emit_stloc (mb, conv_arg);
7328 mono_mb_emit_ldloc (mb, src_var);
7329 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7332 esize = sizeof (gpointer);
7333 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7334 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7336 esize = mono_class_native_size (eklass, NULL);
7338 /* allocate space for the native struct and store the address */
7339 mono_mb_emit_icon (mb, esize);
7340 mono_mb_emit_ldloc (mb, src_var);
7341 mono_mb_emit_byte (mb, CEE_LDLEN);
7343 if (eklass == mono_defaults.string_class) {
7344 /* Make the array bigger for the terminating null */
7345 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7346 mono_mb_emit_byte (mb, CEE_ADD);
7348 mono_mb_emit_byte (mb, CEE_MUL);
7349 mono_mb_emit_byte (mb, CEE_PREFIX1);
7350 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7351 mono_mb_emit_stloc (mb, conv_arg);
7353 mono_mb_emit_ldloc (mb, conv_arg);
7354 mono_mb_emit_stloc (mb, dest_ptr);
7356 /* Emit marshalling loop */
7357 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7358 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7359 mono_mb_emit_stloc (mb, index_var);
7360 label2 = mono_mb_get_label (mb);
7361 mono_mb_emit_ldloc (mb, index_var);
7362 mono_mb_emit_ldloc (mb, src_var);
7363 mono_mb_emit_byte (mb, CEE_LDLEN);
7364 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7366 /* Emit marshalling code */
7369 mono_mb_emit_ldloc (mb, dest_ptr);
7370 mono_mb_emit_ldloc (mb, src_var);
7371 mono_mb_emit_ldloc (mb, index_var);
7372 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7373 mono_mb_emit_icall (mb, conv_to_icall (conv));
7374 mono_mb_emit_byte (mb, CEE_STIND_I);
7376 /* set the src_ptr */
7377 mono_mb_emit_ldloc (mb, src_var);
7378 mono_mb_emit_ldloc (mb, index_var);
7379 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7380 mono_mb_emit_stloc (mb, 0);
7383 mono_mb_emit_ldloc (mb, dest_ptr);
7384 mono_mb_emit_stloc (mb, 1);
7386 /* emit valuetype conversion code */
7387 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7390 mono_mb_emit_add_to_local (mb, index_var, 1);
7391 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7393 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7395 mono_mb_patch_branch (mb, label3);
7397 if (eklass == mono_defaults.string_class) {
7398 /* Null terminate */
7399 mono_mb_emit_ldloc (mb, dest_ptr);
7400 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7401 mono_mb_emit_byte (mb, CEE_STIND_REF);
7404 mono_mb_patch_branch (mb, label1);
7409 case MARSHAL_ACTION_CONV_OUT:
7410 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7411 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);
7412 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7415 if (need_convert || need_free) {
7416 /* FIXME: Optimize blittable case */
7418 guint32 label1, label2, label3;
7419 int index_var, src_ptr, loc, esize;
7421 eklass = klass->element_class;
7422 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7423 esize = sizeof (gpointer);
7424 else if (eklass == mono_defaults.char_class)
7425 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7427 esize = mono_class_native_size (eklass, NULL);
7428 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7429 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7432 mono_mb_emit_ldarg (mb, argnum);
7434 mono_mb_emit_byte (mb, CEE_LDIND_I);
7435 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7437 mono_mb_emit_ldloc (mb, conv_arg);
7438 mono_mb_emit_stloc (mb, src_ptr);
7440 /* Emit marshalling loop */
7441 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7442 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7443 mono_mb_emit_stloc (mb, index_var);
7444 label2 = mono_mb_get_label (mb);
7445 mono_mb_emit_ldloc (mb, index_var);
7446 mono_mb_emit_ldarg (mb, argnum);
7448 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7449 mono_mb_emit_byte (mb, CEE_LDLEN);
7450 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7452 /* Emit marshalling code */
7454 if (eklass == mono_defaults.stringbuilder_class) {
7455 gboolean need_free2;
7456 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7458 g_assert (conv != -1);
7461 mono_mb_emit_ldarg (mb, argnum);
7463 mono_mb_emit_byte (mb, CEE_LDIND_I);
7464 mono_mb_emit_ldloc (mb, index_var);
7465 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7468 mono_mb_emit_ldloc (mb, src_ptr);
7469 mono_mb_emit_byte (mb, CEE_LDIND_I);
7471 mono_mb_emit_icall (mb, conv_to_icall (conv));
7475 mono_mb_emit_ldloc (mb, src_ptr);
7476 mono_mb_emit_byte (mb, CEE_LDIND_I);
7478 mono_mb_emit_icall (mb, mono_marshal_free);
7481 else if (eklass == mono_defaults.string_class) {
7484 mono_mb_emit_ldloc (mb, src_ptr);
7485 mono_mb_emit_byte (mb, CEE_LDIND_I);
7487 mono_mb_emit_icall (mb, mono_marshal_free);
7492 /* set the src_ptr */
7493 mono_mb_emit_ldloc (mb, src_ptr);
7494 mono_mb_emit_stloc (mb, 0);
7497 mono_mb_emit_ldarg (mb, argnum);
7499 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7500 mono_mb_emit_ldloc (mb, index_var);
7501 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7502 mono_mb_emit_stloc (mb, 1);
7504 /* emit valuetype conversion code */
7505 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7509 mono_mb_emit_ldloc (mb, src_ptr);
7510 mono_mb_emit_stloc (mb, loc);
7511 mono_mb_emit_ldloc (mb, loc);
7513 emit_struct_free (mb, eklass, loc);
7517 mono_mb_emit_add_to_local (mb, index_var, 1);
7518 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7520 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7522 mono_mb_patch_branch (mb, label1);
7523 mono_mb_patch_branch (mb, label3);
7526 if (klass->element_class->blittable) {
7527 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7529 mono_mb_emit_ldarg (mb, argnum);
7530 mono_mb_emit_ldloc (mb, conv_arg);
7531 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7536 case MARSHAL_ACTION_PUSH:
7538 mono_mb_emit_ldloc_addr (mb, conv_arg);
7540 mono_mb_emit_ldloc (mb, conv_arg);
7543 case MARSHAL_ACTION_CONV_RESULT:
7544 /* fixme: we need conversions here */
7545 mono_mb_emit_stloc (mb, 3);
7548 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7550 guint32 label1, label2, label3;
7551 int index_var, src_ptr, loc, esize, param_num, num_elem;
7552 MonoMarshalConv conv;
7553 gboolean is_string = FALSE;
7555 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7556 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7559 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7560 mono_mb_emit_exception_marshal_directive (mb, msg);
7564 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7565 mono_mb_emit_exception_marshal_directive (mb, msg);
7568 if (spec->native != MONO_NATIVE_LPARRAY) {
7569 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7570 mono_mb_emit_exception_marshal_directive (mb, msg);
7574 /* FIXME: t is from the method which is wrapped, not the delegate type */
7575 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7577 param_num = spec->data.array_data.param_num;
7578 num_elem = spec->data.array_data.num_elem;
7579 if (spec->data.array_data.elem_mult == 0)
7580 /* param_num is not specified */
7583 if (param_num == -1) {
7584 if (num_elem <= 0) {
7585 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7586 mono_mb_emit_exception_marshal_directive (mb, msg);
7591 /* FIXME: Optimize blittable case */
7593 eklass = klass->element_class;
7594 if (eklass == mono_defaults.string_class) {
7596 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7598 else if (eklass == mono_defaults.stringbuilder_class) {
7600 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7605 mono_marshal_load_type_info (eklass);
7608 esize = sizeof (gpointer);
7610 esize = mono_class_native_size (eklass, NULL);
7611 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7612 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7614 mono_mb_emit_byte (mb, CEE_LDNULL);
7615 mono_mb_emit_stloc (mb, conv_arg);
7617 /* Check param index */
7618 if (param_num != -1) {
7619 if (param_num >= m->sig->param_count) {
7620 char *msg = g_strdup ("Array size control parameter index is out of range.");
7621 mono_mb_emit_exception_marshal_directive (mb, msg);
7624 switch (m->sig->params [param_num]->type) {
7637 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7638 mono_mb_emit_exception_marshal_directive (mb, msg);
7645 mono_mb_emit_ldarg (mb, argnum);
7646 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7648 mono_mb_emit_ldarg (mb, argnum);
7649 mono_mb_emit_stloc (mb, src_ptr);
7651 /* Create managed array */
7653 * The LPArray marshalling spec says that sometimes param_num starts
7654 * from 1, sometimes it starts from 0. But MS seems to allways start
7658 if (param_num == -1) {
7659 mono_mb_emit_icon (mb, num_elem);
7661 mono_mb_emit_ldarg (mb, param_num);
7663 mono_mb_emit_icon (mb, num_elem);
7664 mono_mb_emit_byte (mb, CEE_ADD);
7666 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7669 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7670 mono_mb_emit_stloc (mb, conv_arg);
7672 if (eklass->blittable) {
7673 mono_mb_emit_ldloc (mb, conv_arg);
7674 mono_mb_emit_byte (mb, CEE_CONV_I);
7675 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7676 mono_mb_emit_byte (mb, CEE_ADD);
7677 mono_mb_emit_ldarg (mb, argnum);
7678 mono_mb_emit_ldloc (mb, conv_arg);
7679 mono_mb_emit_byte (mb, CEE_LDLEN);
7680 mono_mb_emit_icon (mb, esize);
7681 mono_mb_emit_byte (mb, CEE_MUL);
7682 mono_mb_emit_byte (mb, CEE_PREFIX1);
7683 mono_mb_emit_byte (mb, CEE_CPBLK);
7687 /* Emit marshalling loop */
7688 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7689 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7690 mono_mb_emit_stloc (mb, index_var);
7691 label2 = mono_mb_get_label (mb);
7692 mono_mb_emit_ldloc (mb, index_var);
7693 mono_mb_emit_ldloc (mb, conv_arg);
7694 mono_mb_emit_byte (mb, CEE_LDLEN);
7695 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7697 /* Emit marshalling code */
7699 g_assert (conv != -1);
7701 mono_mb_emit_ldloc (mb, conv_arg);
7702 mono_mb_emit_ldloc (mb, index_var);
7704 mono_mb_emit_ldloc (mb, src_ptr);
7705 mono_mb_emit_byte (mb, CEE_LDIND_I);
7707 mono_mb_emit_icall (mb, conv_to_icall (conv));
7708 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7711 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7712 mono_mb_emit_exception_marshal_directive (mb, msg);
7716 mono_mb_emit_add_to_local (mb, index_var, 1);
7717 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7719 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7721 mono_mb_patch_branch (mb, label1);
7722 mono_mb_patch_branch (mb, label3);
7726 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7728 guint32 label1, label2, label3;
7729 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7730 MonoMarshalConv conv;
7731 gboolean is_string = FALSE;
7734 /* Already handled in CONV_IN */
7737 /* These are already checked in CONV_IN */
7738 g_assert (!t->byref);
7739 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7740 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7742 param_num = spec->data.array_data.param_num;
7743 num_elem = spec->data.array_data.num_elem;
7745 if (spec->data.array_data.elem_mult == 0)
7746 /* param_num is not specified */
7749 if (param_num == -1) {
7750 if (num_elem <= 0) {
7751 g_assert_not_reached ();
7755 /* FIXME: Optimize blittable case */
7757 eklass = klass->element_class;
7758 if (eklass == mono_defaults.string_class) {
7760 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7762 else if (eklass == mono_defaults.stringbuilder_class) {
7764 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7769 mono_marshal_load_type_info (eklass);
7772 esize = sizeof (gpointer);
7774 esize = mono_class_native_size (eklass, NULL);
7776 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7777 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7780 mono_mb_emit_ldloc (mb, conv_arg);
7781 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7783 mono_mb_emit_ldarg (mb, argnum);
7784 mono_mb_emit_stloc (mb, dest_ptr);
7786 if (eklass->blittable) {
7788 mono_mb_emit_ldarg (mb, argnum);
7790 mono_mb_emit_ldloc (mb, conv_arg);
7791 mono_mb_emit_byte (mb, CEE_CONV_I);
7792 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7793 mono_mb_emit_byte (mb, CEE_ADD);
7795 mono_mb_emit_ldloc (mb, conv_arg);
7796 mono_mb_emit_byte (mb, CEE_LDLEN);
7797 mono_mb_emit_icon (mb, esize);
7798 mono_mb_emit_byte (mb, CEE_MUL);
7799 mono_mb_emit_byte (mb, CEE_PREFIX1);
7800 mono_mb_emit_byte (mb, CEE_CPBLK);
7804 /* Emit marshalling loop */
7805 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7806 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7807 mono_mb_emit_stloc (mb, index_var);
7808 label2 = mono_mb_get_label (mb);
7809 mono_mb_emit_ldloc (mb, index_var);
7810 mono_mb_emit_ldloc (mb, conv_arg);
7811 mono_mb_emit_byte (mb, CEE_LDLEN);
7812 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7814 /* Emit marshalling code */
7816 g_assert (conv != -1);
7819 mono_mb_emit_ldloc (mb, dest_ptr);
7822 mono_mb_emit_ldloc (mb, conv_arg);
7823 mono_mb_emit_ldloc (mb, index_var);
7825 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7827 mono_mb_emit_icall (mb, conv_to_icall (conv));
7828 mono_mb_emit_byte (mb, CEE_STIND_I);
7831 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7832 mono_mb_emit_exception_marshal_directive (mb, msg);
7836 mono_mb_emit_add_to_local (mb, index_var, 1);
7837 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7839 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7841 mono_mb_patch_branch (mb, label1);
7842 mono_mb_patch_branch (mb, label3);
7846 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7848 guint32 label1, label2, label3;
7849 int index_var, src, dest, esize;
7850 MonoMarshalConv conv = -1;
7851 gboolean is_string = FALSE;
7853 g_assert (!t->byref);
7855 eklass = klass->element_class;
7857 mono_marshal_load_type_info (eklass);
7859 if (eklass == mono_defaults.string_class) {
7861 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7864 g_assert_not_reached ();
7868 esize = sizeof (gpointer);
7869 else if (eklass == mono_defaults.char_class)
7870 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7872 esize = mono_class_native_size (eklass, NULL);
7874 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7875 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7877 mono_mb_emit_stloc (mb, src);
7878 mono_mb_emit_ldloc (mb, src);
7879 mono_mb_emit_stloc (mb, 3);
7881 /* Check for null */
7882 mono_mb_emit_ldloc (mb, src);
7883 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7885 /* Allocate native array */
7886 mono_mb_emit_icon (mb, esize);
7887 mono_mb_emit_ldloc (mb, src);
7888 mono_mb_emit_byte (mb, CEE_LDLEN);
7890 if (eklass == mono_defaults.string_class) {
7891 /* Make the array bigger for the terminating null */
7892 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7893 mono_mb_emit_byte (mb, CEE_ADD);
7895 mono_mb_emit_byte (mb, CEE_MUL);
7896 mono_mb_emit_icall (mb, mono_marshal_alloc);
7897 mono_mb_emit_stloc (mb, dest);
7898 mono_mb_emit_ldloc (mb, dest);
7899 mono_mb_emit_stloc (mb, 3);
7901 /* Emit marshalling loop */
7902 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7903 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7904 mono_mb_emit_stloc (mb, index_var);
7905 label2 = mono_mb_get_label (mb);
7906 mono_mb_emit_ldloc (mb, index_var);
7907 mono_mb_emit_ldloc (mb, src);
7908 mono_mb_emit_byte (mb, CEE_LDLEN);
7909 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7911 /* Emit marshalling code */
7913 g_assert (conv != -1);
7916 mono_mb_emit_ldloc (mb, dest);
7919 mono_mb_emit_ldloc (mb, src);
7920 mono_mb_emit_ldloc (mb, index_var);
7922 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7924 mono_mb_emit_icall (mb, conv_to_icall (conv));
7925 mono_mb_emit_byte (mb, CEE_STIND_I);
7928 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
7929 mono_mb_emit_exception_marshal_directive (mb, msg);
7933 mono_mb_emit_add_to_local (mb, index_var, 1);
7934 mono_mb_emit_add_to_local (mb, dest, esize);
7936 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7938 mono_mb_patch_branch (mb, label3);
7939 mono_mb_patch_branch (mb, label1);
7943 g_assert_not_reached ();
7950 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
7951 MonoMarshalSpec *spec,
7952 int conv_arg, MonoType **conv_arg_type,
7953 MarshalAction action)
7955 MonoMethodBuilder *mb = m->mb;
7958 case MARSHAL_ACTION_CONV_IN: {
7959 MonoType *local_type;
7961 guint8 ldc_op = CEE_LDC_I4_1;
7964 local_type = &mono_defaults.int32_class->byval_arg;
7966 switch (spec->native) {
7967 case MONO_NATIVE_I1:
7968 case MONO_NATIVE_U1:
7969 local_type = &mono_defaults.byte_class->byval_arg;
7971 case MONO_NATIVE_VARIANTBOOL:
7972 local_type = &mono_defaults.int16_class->byval_arg;
7973 ldc_op = CEE_LDC_I4_M1;
7975 case MONO_NATIVE_BOOLEAN:
7976 local_type = &mono_defaults.int32_class->byval_arg;
7979 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
7980 local_type = &mono_defaults.int32_class->byval_arg;
7985 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7987 *conv_arg_type = local_type;
7988 conv_arg = mono_mb_add_local (mb, local_type);
7990 mono_mb_emit_ldarg (mb, argnum);
7992 mono_mb_emit_byte (mb, CEE_LDIND_I1);
7993 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
7994 mono_mb_emit_byte (mb, ldc_op);
7995 mono_mb_emit_stloc (mb, conv_arg);
7996 mono_mb_patch_branch (mb, label_false);
8001 case MARSHAL_ACTION_CONV_OUT:
8003 int label_false, label_end;
8007 mono_mb_emit_ldarg (mb, argnum);
8008 mono_mb_emit_ldloc (mb, conv_arg);
8010 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8011 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8013 label_end = mono_mb_emit_branch (mb, CEE_BR);
8014 mono_mb_patch_branch (mb, label_false);
8015 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8016 mono_mb_patch_branch (mb, label_end);
8018 mono_mb_emit_byte (mb, CEE_STIND_I1);
8022 case MARSHAL_ACTION_PUSH:
8024 mono_mb_emit_ldloc_addr (mb, conv_arg);
8026 mono_mb_emit_ldloc (mb, conv_arg);
8028 mono_mb_emit_ldarg (mb, argnum);
8031 case MARSHAL_ACTION_CONV_RESULT:
8032 /* maybe we need to make sure that it fits within 8 bits */
8033 mono_mb_emit_stloc (mb, 3);
8036 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8037 MonoClass* conv_arg_class = mono_defaults.int32_class;
8038 guint8 ldop = CEE_LDIND_I4;
8039 int label_null, label_false;
8041 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8044 switch (spec->native) {
8045 case MONO_NATIVE_I1:
8046 case MONO_NATIVE_U1:
8047 conv_arg_class = mono_defaults.byte_class;
8048 ldop = CEE_LDIND_I1;
8050 case MONO_NATIVE_VARIANTBOOL:
8051 conv_arg_class = mono_defaults.int16_class;
8052 ldop = CEE_LDIND_I2;
8054 case MONO_NATIVE_BOOLEAN:
8057 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8062 *conv_arg_type = &conv_arg_class->this_arg;
8064 *conv_arg_type = &conv_arg_class->byval_arg;
8067 mono_mb_emit_ldarg (mb, argnum);
8071 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8072 mono_mb_emit_ldarg (mb, argnum);
8073 mono_mb_emit_byte (mb, ldop);
8077 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8078 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8079 mono_mb_emit_stloc (mb, conv_arg);
8080 mono_mb_patch_branch (mb, label_false);
8083 mono_mb_patch_branch (mb, label_null);
8087 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8088 guint8 stop = CEE_STIND_I4;
8089 guint8 ldc_op = CEE_LDC_I4_1;
8090 int label_null,label_false, label_end;;
8095 switch (spec->native) {
8096 case MONO_NATIVE_I1:
8097 case MONO_NATIVE_U1:
8098 stop = CEE_STIND_I1;
8100 case MONO_NATIVE_VARIANTBOOL:
8101 stop = CEE_STIND_I2;
8102 ldc_op = CEE_LDC_I4_M1;
8110 mono_mb_emit_ldarg (mb, argnum);
8111 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8113 mono_mb_emit_ldarg (mb, argnum);
8114 mono_mb_emit_ldloc (mb, conv_arg);
8116 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8117 mono_mb_emit_byte (mb, ldc_op);
8118 label_end = mono_mb_emit_branch (mb, CEE_BR);
8120 mono_mb_patch_branch (mb, label_false);
8121 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8122 mono_mb_patch_branch (mb, label_end);
8124 mono_mb_emit_byte (mb, stop);
8125 mono_mb_patch_branch (mb, label_null);
8130 g_assert_not_reached ();
8137 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8138 MonoMarshalSpec *spec, int conv_arg,
8139 MonoType **conv_arg_type, MarshalAction action)
8141 MonoMethodBuilder *mb = m->mb;
8144 case MARSHAL_ACTION_CONV_IN:
8145 /* MS seems to allow this in some cases, ie. bxc #158 */
8147 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8148 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8149 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8154 case MARSHAL_ACTION_PUSH:
8155 mono_mb_emit_ldarg (mb, argnum);
8158 case MARSHAL_ACTION_CONV_RESULT:
8159 /* no conversions necessary */
8160 mono_mb_emit_stloc (mb, 3);
8171 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8172 MonoMarshalSpec *spec, int conv_arg,
8173 MonoType **conv_arg_type, MarshalAction action)
8175 MonoMethodBuilder *mb = m->mb;
8178 case MARSHAL_ACTION_PUSH:
8179 /* fixme: dont know how to marshal that. We cant simply
8180 * convert it to a one byte UTF8 character, because an
8181 * unicode character may need more that one byte in UTF8 */
8182 mono_mb_emit_ldarg (mb, argnum);
8185 case MARSHAL_ACTION_CONV_RESULT:
8186 /* fixme: we need conversions here */
8187 mono_mb_emit_stloc (mb, 3);
8198 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8199 MonoMarshalSpec *spec, int conv_arg,
8200 MonoType **conv_arg_type, MarshalAction action)
8202 MonoMethodBuilder *mb = m->mb;
8205 case MARSHAL_ACTION_PUSH:
8206 mono_mb_emit_ldarg (mb, argnum);
8209 case MARSHAL_ACTION_CONV_RESULT:
8210 /* no conversions necessary */
8211 mono_mb_emit_stloc (mb, 3);
8222 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8223 MonoMarshalSpec *spec, int conv_arg,
8224 MonoType **conv_arg_type, MarshalAction action)
8226 /* Ensure that we have marshalling info for this param */
8227 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8229 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8230 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8232 if (spec && spec->native == MONO_NATIVE_ASANY)
8233 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8236 case MONO_TYPE_VALUETYPE:
8237 if (t->data.klass == mono_defaults.handleref_class)
8238 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8240 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8241 case MONO_TYPE_STRING:
8242 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8243 case MONO_TYPE_CLASS:
8244 case MONO_TYPE_OBJECT:
8246 if (spec && spec->native == MONO_NATIVE_STRUCT)
8247 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8249 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8250 spec->native == MONO_NATIVE_IDISPATCH ||
8251 spec->native == MONO_NATIVE_INTERFACE))
8252 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8253 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8254 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8255 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8256 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8259 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8260 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8261 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8263 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8264 case MONO_TYPE_ARRAY:
8265 case MONO_TYPE_SZARRAY:
8266 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8267 case MONO_TYPE_BOOLEAN:
8268 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8270 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8271 case MONO_TYPE_CHAR:
8272 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8285 case MONO_TYPE_FNPTR:
8286 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8287 case MONO_TYPE_GENERICINST:
8288 if (mono_type_generic_inst_is_valuetype (t))
8289 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8291 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8298 * mono_marshal_emit_native_wrapper:
8299 * @image: the image to use for looking up custom marshallers
8300 * @sig: The signature of the native function
8301 * @piinfo: Marshalling information
8302 * @mspecs: Marshalling information
8303 * @aot: whenever the created method will be compiled by the AOT compiler
8304 * @method: if non-NULL, the pinvoke method to call
8305 * @check_exceptions: Whenever to check for pending exceptions after the native call
8306 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8308 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8311 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)
8313 EmitMarshalContext m;
8314 MonoMethodSignature *csig;
8316 int i, argnum, *tmp_locals;
8317 int type, param_shift = 0;
8318 static MonoMethodSignature *get_last_error_sig = NULL;
8323 /* we copy the signature, so that we can set pinvoke to 0 */
8325 /* The function address is passed as the first argument */
8326 g_assert (!sig->hasthis);
8329 csig = signature_dup (mb->method->klass->image, sig);
8337 /* we allocate local for use with emit_struct_conv() */
8338 /* allocate local 0 (pointer) src_ptr */
8339 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8340 /* allocate local 1 (pointer) dst_ptr */
8341 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8342 /* allocate local 2 (boolean) delete_old */
8343 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8345 /* delete_old = FALSE */
8346 mono_mb_emit_icon (mb, 0);
8347 mono_mb_emit_stloc (mb, 2);
8349 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8350 /* allocate local 3 to store the return value */
8351 mono_mb_add_local (mb, sig->ret);
8354 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8355 /* Return type custom marshaling */
8357 * Since we can't determine the return type of the unmanaged function,
8358 * we assume it returns a pointer, and pass that pointer to
8359 * MarshalNativeToManaged.
8361 csig->ret = &mono_defaults.int_class->byval_arg;
8364 /* we first do all conversions */
8365 tmp_locals = alloca (sizeof (int) * sig->param_count);
8366 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8368 for (i = 0; i < sig->param_count; i ++) {
8369 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8372 /* push all arguments */
8375 mono_mb_emit_byte (mb, CEE_LDARG_0);
8377 for (i = 0; i < sig->param_count; i++) {
8378 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8381 /* call the native method */
8383 mono_mb_emit_byte (mb, CEE_LDARG_0);
8384 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8385 mono_mb_emit_byte (mb, CEE_LDIND_I);
8386 mono_mb_emit_calli (mb, csig);
8387 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8389 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8391 g_assert_not_reached ();
8396 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8397 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8398 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8399 mono_mb_emit_calli (mb, csig);
8401 mono_mb_emit_native_call (mb, csig, func);
8405 /* Set LastError if needed */
8406 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8407 if (!get_last_error_sig) {
8408 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8409 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8410 get_last_error_sig->pinvoke = 1;
8415 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8416 * clobber its value.
8418 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8419 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8421 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8425 /* convert the result */
8426 if (!sig->ret->byref) {
8427 MonoMarshalSpec *spec = mspecs [0];
8428 type = sig->ret->type;
8430 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8431 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8436 case MONO_TYPE_VOID:
8438 case MONO_TYPE_VALUETYPE:
8439 klass = sig->ret->data.klass;
8440 if (klass->enumtype) {
8441 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8444 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8458 case MONO_TYPE_FNPTR:
8459 case MONO_TYPE_STRING:
8460 case MONO_TYPE_CLASS:
8461 case MONO_TYPE_OBJECT:
8462 case MONO_TYPE_BOOLEAN:
8463 case MONO_TYPE_ARRAY:
8464 case MONO_TYPE_SZARRAY:
8465 case MONO_TYPE_CHAR:
8467 case MONO_TYPE_GENERICINST:
8468 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8470 case MONO_TYPE_TYPEDBYREF:
8472 g_warning ("return type 0x%02x unknown", sig->ret->type);
8473 g_assert_not_reached ();
8477 mono_mb_emit_stloc (mb, 3);
8481 * Need to call this after converting the result since MONO_VTADDR needs
8482 * to be adjacent to the call instruction.
8484 if (check_exceptions)
8485 emit_thread_interrupt_checkpoint (mb);
8487 /* we need to convert byref arguments back and free string arrays */
8488 for (i = 0; i < sig->param_count; i++) {
8489 MonoType *t = sig->params [i];
8490 MonoMarshalSpec *spec = mspecs [i + 1];
8492 argnum = i + param_shift;
8494 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8495 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8500 case MONO_TYPE_STRING:
8501 case MONO_TYPE_VALUETYPE:
8502 case MONO_TYPE_CLASS:
8503 case MONO_TYPE_OBJECT:
8504 case MONO_TYPE_SZARRAY:
8505 case MONO_TYPE_BOOLEAN:
8506 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8511 if (!MONO_TYPE_IS_VOID(sig->ret))
8512 mono_mb_emit_ldloc (mb, 3);
8514 mono_mb_emit_byte (mb, CEE_RET);
8517 #endif /* DISABLE_JIT */
8519 G_GNUC_UNUSED static void
8520 code_for (MonoMethod *method) {
8521 MonoMethodHeader *header = mono_method_get_header (method);
8522 printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (method, TRUE), mono_disasm_code (0, method, header->code, header->code + header->code_size));
8526 * mono_marshal_get_native_wrapper:
8527 * @method: The MonoMethod to wrap.
8528 * @check_exceptions: Whenever to check for pending exceptions
8530 * generates IL code for the pinvoke wrapper (the generated method
8531 * calls the unmanaged code in piinfo->addr)
8532 * The wrapper info for the wrapper is a WrapperInfo structure.
8535 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8537 MonoMethodSignature *sig, *csig;
8538 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8539 MonoMethodBuilder *mb;
8540 MonoMarshalSpec **mspecs;
8543 gboolean pinvoke = FALSE;
8546 const char *exc_class = "MissingMethodException";
8547 const char *exc_arg = NULL;
8550 g_assert (method != NULL);
8551 g_assert (mono_method_signature (method)->pinvoke);
8554 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8556 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8557 if ((res = mono_marshal_find_in_cache (cache, method)))
8560 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8562 return mono_cominterop_get_native_wrapper (method);
8564 g_assert_not_reached ();
8568 sig = mono_method_signature (method);
8570 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8571 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8574 if (!piinfo->addr) {
8576 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8577 exc_arg = "Method contains unsupported native code";
8579 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8581 piinfo->addr = mono_lookup_internal_call (method);
8584 /* hack - redirect certain string constructors to CreateString */
8585 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8586 g_assert (!pinvoke);
8587 g_assert (method->string_ctor);
8588 g_assert (sig->hasthis);
8590 /* CreateString returns a value */
8591 csig = signature_dup (method->klass->image, sig);
8592 csig->ret = &mono_defaults.string_class->byval_arg;
8596 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8597 if (!strcmp ("CreateString", res->name) &&
8598 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8601 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8602 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8604 /* create a wrapper to preserve .ctor in stack trace */
8605 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8608 mono_mb_emit_byte (mb, CEE_LDARG_0);
8609 for (i = 1; i <= csig->param_count; i++)
8610 mono_mb_emit_ldarg (mb, i);
8611 mono_mb_emit_managed_call (mb, res, NULL);
8612 mono_mb_emit_byte (mb, CEE_RET);
8615 /* use native_wrapper_cache because internal calls are looked up there */
8616 res = mono_mb_create_and_cache (cache, method,
8617 mb, csig, csig->param_count + 1);
8621 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8622 info->d.string_ctor.method = method;
8624 mono_marshal_set_wrapper_info (res, info);
8630 /* exception will be thrown */
8631 piinfo->addr = NULL;
8632 g_warning ("cannot find CreateString for .ctor");
8635 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8637 mb->method->save_lmf = 1;
8640 * In AOT mode and embedding scenarios, it is possible that the icall is not
8641 * registered in the runtime doing the AOT compilation.
8643 if (!piinfo->addr && !aot) {
8645 mono_mb_emit_exception (mb, exc_class, exc_arg);
8647 csig = signature_dup (method->klass->image, sig);
8649 res = mono_mb_create_and_cache (cache, method,
8650 mb, csig, csig->param_count + 16);
8653 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8654 info->d.managed_to_native.method = method;
8655 mono_marshal_set_wrapper_info (res, info);
8660 /* internal calls: we simply push all arguments and call the method (no conversions) */
8661 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8663 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8665 csig = signature_dup (method->klass->image, sig);
8667 /* hack - string constructors returns a value */
8668 if (method->string_ctor)
8669 csig->ret = &mono_defaults.string_class->byval_arg;
8676 * Add a null check since public icalls can be called with 'call' which
8677 * does no such check.
8679 mono_mb_emit_byte (mb, CEE_LDARG_0);
8680 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8681 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8682 mono_mb_patch_branch (mb, pos);
8684 mono_mb_emit_byte (mb, CEE_LDARG_0);
8687 for (i = 0; i < sig->param_count; i++)
8688 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8691 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8692 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8693 mono_mb_emit_calli (mb, csig);
8695 g_assert (piinfo->addr);
8696 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8698 if (check_exceptions)
8699 emit_thread_interrupt_checkpoint (mb);
8700 mono_mb_emit_byte (mb, CEE_RET);
8703 csig = signature_dup (method->klass->image, csig);
8705 res = mono_mb_create_and_cache (cache, method,
8706 mb, csig, csig->param_count + 16);
8708 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8709 info->d.managed_to_native.method = method;
8710 mono_marshal_set_wrapper_info (res, info);
8718 g_assert (piinfo->addr);
8721 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8722 mono_method_get_marshal_info (method, mspecs);
8724 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8727 csig = signature_dup (method->klass->image, sig);
8729 res = mono_mb_create_and_cache (cache, method,
8730 mb, csig, csig->param_count + 16);
8733 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8734 info->d.managed_to_native.method = method;
8735 mono_marshal_set_wrapper_info (res, info);
8738 for (i = sig->param_count; i >= 0; i--)
8740 mono_metadata_free_marshal_spec (mspecs [i]);
8744 /* code_for (res); */
8750 * mono_marshal_get_native_func_wrapper:
8751 * @image: The image to use for memory allocation and for looking up custom marshallers.
8752 * @sig: The signature of the function
8753 * @func: The native function to wrap
8755 * Returns a wrapper method around native functions, similar to the pinvoke
8759 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8760 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8762 MonoMethodSignature *csig;
8764 MonoMethodBuilder *mb;
8769 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8770 if ((res = mono_marshal_find_in_cache (cache, func)))
8773 name = g_strdup_printf ("wrapper_native_%p", func);
8774 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8775 mb->method->save_lmf = 1;
8778 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
8781 csig = signature_dup (image, sig);
8783 res = mono_mb_create_and_cache (cache, func,
8784 mb, csig, csig->param_count + 16);
8787 mono_marshal_set_wrapper_info (res, NULL);
8793 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
8797 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8799 MonoMethodSignature *sig, *csig;
8800 MonoMethodBuilder *mb;
8805 MonoMethodPInvoke mpiinfo;
8806 MonoMethodPInvoke *piinfo = &mpiinfo;
8807 MonoMarshalSpec **mspecs;
8808 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8809 MonoImage *image = invoke->klass->image;
8812 // FIXME: include UnmanagedFunctionPointerAttribute info
8815 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8817 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8818 if ((res = mono_marshal_find_in_cache (cache, invoke)))
8821 memset (&mpiinfo, 0, sizeof (mpiinfo));
8822 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
8824 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8825 mono_method_get_marshal_info (invoke, mspecs);
8826 /* Freed below so don't alloc from mempool */
8827 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
8830 name = g_strdup_printf ("wrapper_aot_native");
8831 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8832 mb->method->save_lmf = 1;
8835 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
8838 g_assert (!sig->hasthis);
8839 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
8841 res = mono_mb_create_and_cache (cache, invoke,
8842 mb, csig, csig->param_count + 16);
8845 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
8846 info->d.managed_to_native.method = invoke;
8848 mono_marshal_set_wrapper_info (res, info);
8850 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
8852 mono_metadata_free_marshal_spec (mspecs [i]);
8861 * mono_marshal_emit_managed_wrapper:
8863 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
8864 * the delegate which wraps the managed method to be called. For closed delegates,
8865 * it could have fewer parameters than the method it wraps.
8866 * THIS_LOC is the memory location where the target of the delegate is stored.
8869 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
8871 MonoMethodSignature *sig, *csig;
8873 gboolean closed = FALSE;
8878 /* allocate local 0 (pointer) src_ptr */
8879 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8880 /* allocate local 1 (pointer) dst_ptr */
8881 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8882 /* allocate local 2 (boolean) delete_old */
8883 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8885 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
8886 /* Closed delegate */
8887 g_assert (sig->param_count == invoke_sig->param_count + 1);
8889 /* Use a new signature without the first argument */
8890 sig = mono_metadata_signature_dup (sig);
8891 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
8892 sig->param_count --;
8895 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8896 /* allocate local 3 to store the return value */
8897 mono_mb_add_local (mb, sig->ret);
8900 mono_mb_emit_icon (mb, 0);
8901 mono_mb_emit_stloc (mb, 2);
8904 * Might need to attach the thread to the JIT or change the
8905 * domain for the callback.
8907 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8908 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
8910 /* we first do all conversions */
8911 tmp_locals = alloca (sizeof (int) * sig->param_count);
8912 for (i = 0; i < sig->param_count; i ++) {
8913 MonoType *t = sig->params [i];
8916 case MONO_TYPE_OBJECT:
8917 case MONO_TYPE_CLASS:
8918 case MONO_TYPE_VALUETYPE:
8919 case MONO_TYPE_ARRAY:
8920 case MONO_TYPE_SZARRAY:
8921 case MONO_TYPE_STRING:
8922 case MONO_TYPE_BOOLEAN:
8923 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
8932 emit_thread_interrupt_checkpoint (mb);
8935 if (target_handle) {
8936 mono_mb_emit_icon (mb, (gint32)target_handle);
8937 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8940 g_assert_not_reached ();
8942 } else if (closed) {
8943 mono_mb_emit_icon (mb, (gint32)target_handle);
8944 mono_mb_emit_icall (mb, mono_gchandle_get_target);
8947 for (i = 0; i < sig->param_count; i++) {
8948 MonoType *t = sig->params [i];
8950 if (tmp_locals [i]) {
8952 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
8954 mono_mb_emit_ldloc (mb, tmp_locals [i]);
8957 mono_mb_emit_ldarg (mb, i);
8960 mono_mb_emit_managed_call (mb, method, NULL);
8962 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8963 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8964 } else if (!sig->ret->byref) {
8965 switch (sig->ret->type) {
8966 case MONO_TYPE_VOID:
8968 case MONO_TYPE_BOOLEAN:
8971 case MONO_TYPE_CHAR:
8983 case MONO_TYPE_OBJECT:
8984 mono_mb_emit_stloc (mb, 3);
8986 case MONO_TYPE_STRING:
8987 csig->ret = &mono_defaults.int_class->byval_arg;
8988 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8990 case MONO_TYPE_VALUETYPE:
8991 case MONO_TYPE_CLASS:
8992 case MONO_TYPE_SZARRAY:
8993 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
8996 g_warning ("return type 0x%02x unknown", sig->ret->type);
8997 g_assert_not_reached ();
9000 mono_mb_emit_stloc (mb, 3);
9003 /* Convert byref arguments back */
9004 for (i = 0; i < sig->param_count; i ++) {
9005 MonoType *t = sig->params [i];
9006 MonoMarshalSpec *spec = mspecs [i + 1];
9008 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9009 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9011 else if (t->byref) {
9013 case MONO_TYPE_CLASS:
9014 case MONO_TYPE_VALUETYPE:
9015 case MONO_TYPE_OBJECT:
9016 case MONO_TYPE_STRING:
9017 case MONO_TYPE_BOOLEAN:
9018 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9022 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9023 /* The [Out] information is encoded in the delegate signature */
9025 case MONO_TYPE_SZARRAY:
9026 case MONO_TYPE_CLASS:
9027 case MONO_TYPE_VALUETYPE:
9028 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9031 g_assert_not_reached ();
9036 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9037 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9039 if (m->retobj_var) {
9040 mono_mb_emit_ldloc (mb, m->retobj_var);
9041 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9042 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9045 if (!MONO_TYPE_IS_VOID(sig->ret))
9046 mono_mb_emit_ldloc (mb, 3);
9047 mono_mb_emit_byte (mb, CEE_RET);
9053 #endif /* DISABLE_JIT */
9056 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9058 MonoMethodSignature *sig;
9063 * Under windows, delegates passed to native code must use the STDCALL
9064 * calling convention.
9066 csig->call_convention = MONO_CALL_STDCALL;
9069 sig = mono_method_signature (method);
9071 /* Change default calling convention if needed */
9072 /* Why is this a modopt ? */
9073 if (sig->ret && sig->ret->num_mods) {
9074 for (i = 0; i < sig->ret->num_mods; ++i) {
9075 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9076 g_assert (cmod_class);
9077 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9078 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9079 csig->call_convention = MONO_CALL_C;
9080 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9081 csig->call_convention = MONO_CALL_STDCALL;
9082 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9083 csig->call_convention = MONO_CALL_FASTCALL;
9084 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9085 csig->call_convention = MONO_CALL_THISCALL;
9092 * generates IL code to call managed methods from unmanaged code
9093 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9096 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9098 static MonoClass *UnmanagedFunctionPointerAttribute;
9099 MonoMethodSignature *sig, *csig, *invoke_sig;
9100 MonoMethodBuilder *mb;
9101 MonoMethod *res, *invoke;
9102 MonoMarshalSpec **mspecs;
9103 MonoMethodPInvoke piinfo;
9106 EmitMarshalContext m;
9108 g_assert (method != NULL);
9109 g_assert (!mono_method_signature (method)->pinvoke);
9112 * FIXME: Should cache the method+delegate type pair, since the same method
9113 * could be called with different delegates, thus different marshalling
9116 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9117 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9120 invoke = mono_get_delegate_invoke (delegate_klass);
9121 invoke_sig = mono_method_signature (invoke);
9123 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9124 mono_method_get_marshal_info (invoke, mspecs);
9126 sig = mono_method_signature (method);
9128 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9130 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9131 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9133 /* we copy the signature, so that we can modify it */
9135 /* Need to free this later */
9136 csig = mono_metadata_signature_dup (invoke_sig);
9138 csig = signature_dup (method->klass->image, invoke_sig);
9147 m.image = method->klass->image;
9149 mono_marshal_set_callconv_from_modopt (invoke, csig);
9151 /* Handle the UnmanagedFunctionPointerAttribute */
9152 if (!UnmanagedFunctionPointerAttribute)
9153 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9155 /* The attribute is only available in Net 2.0 */
9156 if (UnmanagedFunctionPointerAttribute) {
9157 MonoCustomAttrInfo *cinfo;
9158 MonoCustomAttrEntry *attr;
9161 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9162 * contents of the attribute without constructing it, as that might not be
9163 * possible when running in cross-compiling mode.
9165 cinfo = mono_custom_attrs_from_class (delegate_klass);
9168 for (i = 0; i < cinfo->num_attrs; ++i) {
9169 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9170 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9171 attr = &cinfo->attrs [i];
9177 MonoArray *typed_args, *named_args;
9178 CattrNamedArg *arginfo;
9182 MonoBoolean set_last_error = 0;
9183 MonoBoolean best_fit_mapping = 0;
9184 MonoBoolean throw_on_unmappable = 0;
9186 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
9188 g_assert (mono_array_length (typed_args) == 1);
9191 o = mono_array_get (typed_args, MonoObject*, 0);
9192 call_conv = *(gint32*)mono_object_unbox (o);
9195 for (i = 0; i < mono_array_length (named_args); ++i) {
9196 CattrNamedArg *narg = &arginfo [i];
9198 o = mono_array_get (named_args, MonoObject*, i);
9200 g_assert (narg->field);
9201 if (!strcmp (narg->field->name, "CharSet")) {
9202 charset = *(gint32*)mono_object_unbox (o);
9203 } else if (!strcmp (narg->field->name, "SetLastError")) {
9204 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9205 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9206 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9207 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9208 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9210 g_assert_not_reached ();
9216 memset (&piinfo, 0, sizeof (piinfo));
9218 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9220 csig->call_convention = call_conv - 1;
9223 if (cinfo && !cinfo->cached)
9224 mono_custom_attrs_free (cinfo);
9228 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9231 if (!target_handle) {
9234 res = mono_mb_create_and_cache (cache, method,
9235 mb, csig, sig->param_count + 16);
9236 // FIXME: Associate it with the method+delegate_klass pair
9237 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9238 info->d.native_to_managed.method = method;
9239 info->d.native_to_managed.klass = delegate_klass;
9240 mono_marshal_set_wrapper_info (res, info);
9245 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9249 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9251 mono_metadata_free_marshal_spec (mspecs [i]);
9254 /* code_for (res); */
9260 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9263 MonoMethodSignature *sig;
9264 MonoMethodBuilder *mb;
9269 method = mono_get_method (image, token, NULL);
9272 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9273 MonoMethodSignature *csig;
9274 MonoMarshalSpec **mspecs;
9275 EmitMarshalContext m;
9277 sig = mono_method_signature (method);
9278 g_assert (!sig->hasthis);
9280 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9281 mono_method_get_marshal_info (method, mspecs);
9283 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9284 csig = signature_dup (image, sig);
9295 mono_marshal_set_callconv_from_modopt (method, csig);
9297 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9300 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9304 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9307 for (i = sig->param_count; i >= 0; i--)
9309 mono_metadata_free_marshal_spec (mspecs [i]);
9312 return mono_compile_method (method);
9315 sig = mono_method_signature (method);
9316 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9319 param_count = sig->param_count + sig->hasthis;
9320 for (i = 0; i < param_count; i++)
9321 mono_mb_emit_ldarg (mb, i);
9323 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9324 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9326 mono_mb_emit_op (mb, CEE_CALL, method);
9327 mono_mb_emit_byte (mb, CEE_RET);
9332 method = mono_mb_create_method (mb, sig, param_count);
9335 return mono_compile_method (method);
9338 static MonoReflectionType *
9339 type_from_handle (MonoType *handle)
9341 MonoDomain *domain = mono_domain_get ();
9342 MonoClass *klass = mono_class_from_mono_type (handle);
9344 MONO_ARCH_SAVE_REGS;
9346 mono_class_init (klass);
9347 return mono_type_get_object (domain, handle);
9351 * This does the equivalent of mono_object_castclass_with_cache.
9352 * The wrapper info for the wrapper is a WrapperInfo structure.
9355 mono_marshal_get_castclass_with_cache (void)
9357 static MonoMethod *cached;
9359 MonoMethodBuilder *mb;
9360 MonoMethodSignature *sig;
9361 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9367 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9368 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9369 sig->params [0] = &mono_defaults.object_class->byval_arg;
9370 sig->params [1] = &mono_defaults.int_class->byval_arg;
9371 sig->params [2] = &mono_defaults.int_class->byval_arg;
9372 sig->ret = &mono_defaults.object_class->byval_arg;
9376 /* allocate local 0 (pointer) obj_vtable */
9377 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9380 mono_mb_emit_ldarg (mb, 0);
9381 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9383 /*obj_vtable = obj->vtable;*/
9384 mono_mb_emit_ldarg (mb, 0);
9385 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9386 mono_mb_emit_byte (mb, CEE_LDIND_I);
9387 mono_mb_emit_stloc (mb, 0);
9390 mono_mb_emit_ldarg (mb, 2);
9391 mono_mb_emit_byte (mb, CEE_LDIND_I);
9392 mono_mb_emit_ldloc (mb, 0);
9394 /*if (*cache == obj_vtable)*/
9395 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9398 mono_mb_emit_ldarg (mb, 0);
9399 mono_mb_emit_byte (mb, CEE_RET);
9401 mono_mb_patch_branch (mb, cache_miss_pos);
9402 /*if (mono_object_isinst (obj, klass)) */
9403 mono_mb_emit_ldarg (mb, 0);
9404 mono_mb_emit_ldarg (mb, 1);
9405 mono_mb_emit_icall (mb, mono_object_isinst);
9406 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9408 /**cache = obj_vtable;*/
9409 mono_mb_emit_ldarg (mb, 2);
9410 mono_mb_emit_ldloc (mb, 0);
9411 mono_mb_emit_byte (mb, CEE_STIND_I);
9414 mono_mb_emit_ldarg (mb, 0);
9415 mono_mb_emit_byte (mb, CEE_RET);
9418 mono_mb_patch_branch (mb, invalid_cast_pos);
9419 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9422 mono_mb_patch_branch (mb, return_null_pos);
9423 mono_mb_emit_byte (mb, CEE_LDNULL);
9424 mono_mb_emit_byte (mb, CEE_RET);
9425 #endif /* DISABLE_JIT */
9427 res = mono_mb_create_method (mb, sig, 8);
9428 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9429 mono_marshal_set_wrapper_info (res, info);
9432 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9433 mono_free_method (res);
9434 mono_metadata_free_method_signature (sig);
9442 * This does the equivalent of mono_object_isinst_with_cache.
9443 * The wrapper info for the wrapper is a WrapperInfo structure.
9446 mono_marshal_get_isinst_with_cache (void)
9448 static MonoMethod *cached;
9450 MonoMethodBuilder *mb;
9451 MonoMethodSignature *sig;
9452 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9458 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9459 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9460 sig->params [0] = &mono_defaults.object_class->byval_arg;
9461 sig->params [1] = &mono_defaults.int_class->byval_arg;
9462 sig->params [2] = &mono_defaults.int_class->byval_arg;
9463 sig->ret = &mono_defaults.object_class->byval_arg;
9467 /* allocate local 0 (pointer) obj_vtable */
9468 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9469 /* allocate local 1 (pointer) cached_vtable */
9470 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9473 mono_mb_emit_ldarg (mb, 0);
9474 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9476 /*obj_vtable = obj->vtable;*/
9477 mono_mb_emit_ldarg (mb, 0);
9478 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9479 mono_mb_emit_byte (mb, CEE_LDIND_I);
9480 mono_mb_emit_stloc (mb, 0);
9482 /* cached_vtable = *cache*/
9483 mono_mb_emit_ldarg (mb, 2);
9484 mono_mb_emit_byte (mb, CEE_LDIND_I);
9485 mono_mb_emit_stloc (mb, 1);
9487 mono_mb_emit_ldloc (mb, 1);
9488 mono_mb_emit_byte (mb, CEE_LDC_I4);
9489 mono_mb_emit_i4 (mb, ~0x1);
9490 mono_mb_emit_byte (mb, CEE_CONV_U);
9491 mono_mb_emit_byte (mb, CEE_AND);
9492 mono_mb_emit_ldloc (mb, 0);
9493 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9494 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9496 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9497 mono_mb_emit_ldloc (mb, 1);
9498 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9499 mono_mb_emit_byte (mb, CEE_CONV_U);
9500 mono_mb_emit_byte (mb, CEE_AND);
9501 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9504 mono_mb_emit_ldarg (mb, 0);
9505 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9508 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9509 mono_mb_emit_byte (mb, CEE_LDNULL);
9511 mono_mb_patch_branch (mb, cache_hit_pos);
9512 mono_mb_emit_byte (mb, CEE_RET);
9514 mono_mb_patch_branch (mb, cache_miss_pos);
9515 /*if (mono_object_isinst (obj, klass)) */
9516 mono_mb_emit_ldarg (mb, 0);
9517 mono_mb_emit_ldarg (mb, 1);
9518 mono_mb_emit_icall (mb, mono_object_isinst);
9519 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9521 /**cache = obj_vtable;*/
9522 mono_mb_emit_ldarg (mb, 2);
9523 mono_mb_emit_ldloc (mb, 0);
9524 mono_mb_emit_byte (mb, CEE_STIND_I);
9527 mono_mb_emit_ldarg (mb, 0);
9528 mono_mb_emit_byte (mb, CEE_RET);
9531 mono_mb_patch_branch (mb, not_an_instance_pos);
9532 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9533 mono_mb_emit_ldarg (mb, 2);
9534 /*obj_vtable | 0x1*/
9535 mono_mb_emit_ldloc (mb, 0);
9536 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9537 mono_mb_emit_byte (mb, CEE_CONV_U);
9538 mono_mb_emit_byte (mb, CEE_OR);
9541 mono_mb_emit_byte (mb, CEE_STIND_I);
9544 mono_mb_patch_branch (mb, return_null_pos);
9545 mono_mb_emit_byte (mb, CEE_LDNULL);
9546 mono_mb_emit_byte (mb, CEE_RET);
9549 res = mono_mb_create_method (mb, sig, 8);
9550 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9551 mono_marshal_set_wrapper_info (res, info);
9554 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9555 mono_free_method (res);
9556 mono_metadata_free_method_signature (sig);
9564 * mono_marshal_get_isinst:
9565 * @klass: the type of the field
9567 * This method generates a function which can be used to check if an object is
9568 * an instance of the given type, icluding the case where the object is a proxy.
9569 * The generated function has the following signature:
9570 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9573 mono_marshal_get_isinst (MonoClass *klass)
9575 static MonoMethodSignature *isint_sig = NULL;
9578 int pos_was_ok, pos_failed, pos_end, pos_end2;
9580 MonoMethodBuilder *mb;
9582 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9583 if ((res = mono_marshal_find_in_cache (cache, klass)))
9587 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9588 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9589 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9590 isint_sig->pinvoke = 0;
9593 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9594 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9597 mb->method->save_lmf = 1;
9600 /* check if the object is a proxy that needs special cast */
9601 mono_mb_emit_ldarg (mb, 0);
9602 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9603 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9605 /* The result of MONO_CISINST can be:
9606 0) the type check succeeded
9607 1) the type check did not succeed
9608 2) a CanCastTo call is needed */
9609 #ifndef DISABLE_REMOTING
9610 mono_mb_emit_byte (mb, CEE_DUP);
9611 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9613 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9614 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9616 /* get the real proxy from the transparent proxy*/
9618 mono_mb_emit_ldarg (mb, 0);
9619 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9620 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9624 mono_mb_patch_branch (mb, pos_failed);
9625 mono_mb_emit_byte (mb, CEE_LDNULL);
9626 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9630 mono_mb_patch_branch (mb, pos_was_ok);
9631 mono_mb_emit_byte (mb, CEE_POP);
9632 mono_mb_emit_ldarg (mb, 0);
9636 mono_mb_patch_branch (mb, pos_end);
9637 mono_mb_patch_branch (mb, pos_end2);
9638 mono_mb_emit_byte (mb, CEE_RET);
9640 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9644 mono_mb_emit_byte (mb, CEE_LDNULL);
9645 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9649 mono_mb_patch_branch (mb, pos_was_ok);
9650 mono_mb_emit_ldarg (mb, 0);
9654 mono_mb_patch_branch (mb, pos_end);
9655 mono_mb_emit_byte (mb, CEE_RET);
9656 #endif /* DISABLE_REMOTING */
9657 #endif /* DISABLE_JIT */
9659 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9666 * mono_marshal_get_castclass:
9667 * @klass: the type of the field
9669 * This method generates a function which can be used to cast an object to
9670 * an instance of the given type, icluding the case where the object is a proxy.
9671 * The generated function has the following signature:
9672 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9673 * The wrapper info for the wrapper is a WrapperInfo structure.
9676 mono_marshal_get_castclass (MonoClass *klass)
9678 static MonoMethodSignature *castclass_sig = NULL;
9681 int pos_was_ok, pos_was_ok2;
9683 MonoMethodBuilder *mb;
9686 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9687 if ((res = mono_marshal_find_in_cache (cache, klass)))
9690 if (!castclass_sig) {
9691 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9692 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9693 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9694 castclass_sig->pinvoke = 0;
9697 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9698 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9701 mb->method->save_lmf = 1;
9704 /* check if the object is a proxy that needs special cast */
9705 mono_mb_emit_ldarg (mb, 0);
9706 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9707 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9709 /* The result of MONO_CCASTCLASS can be:
9710 0) the cast is valid
9711 1) cast of unknown proxy type
9712 or an exception if the cast is is invalid
9714 #ifndef DISABLE_REMOTING
9715 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9717 /* get the real proxy from the transparent proxy*/
9719 mono_mb_emit_ldarg (mb, 0);
9720 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9721 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9724 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9727 mono_mb_patch_branch (mb, pos_was_ok);
9728 mono_mb_patch_branch (mb, pos_was_ok2);
9730 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
9731 mono_mb_emit_byte (mb, CEE_POP);
9732 #endif /* DISABLE_REMOTING */
9734 mono_mb_emit_ldarg (mb, 0);
9737 mono_mb_emit_byte (mb, CEE_RET);
9738 #endif /* DISABLE_JIT */
9740 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9743 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9744 mono_marshal_set_wrapper_info (res, info);
9749 #ifndef DISABLE_REMOTING
9751 mono_marshal_get_proxy_cancast (MonoClass *klass)
9753 static MonoMethodSignature *isint_sig = NULL;
9756 int pos_failed, pos_end;
9757 char *name, *klass_name;
9758 MonoMethod *can_cast_to;
9759 MonoMethodDesc *desc;
9760 MonoMethodBuilder *mb;
9762 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9763 if ((res = mono_marshal_find_in_cache (cache, klass)))
9767 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9768 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9769 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9770 isint_sig->pinvoke = 0;
9773 klass_name = mono_type_full_name (&klass->byval_arg);
9774 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
9775 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9776 g_free (klass_name);
9779 mb->method->save_lmf = 1;
9782 /* get the real proxy from the transparent proxy*/
9783 mono_mb_emit_ldarg (mb, 0);
9784 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9785 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9787 /* get the reflection type from the type handle */
9788 mono_mb_emit_ptr (mb, &klass->byval_arg);
9789 mono_mb_emit_icall (mb, type_from_handle);
9791 mono_mb_emit_ldarg (mb, 0);
9793 /* make the call to CanCastTo (type, ob) */
9794 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9795 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9796 g_assert (can_cast_to);
9797 mono_method_desc_free (desc);
9798 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9800 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9802 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9803 mono_mb_emit_ptr (mb, &klass->byval_arg);
9804 mono_mb_emit_icall (mb, type_from_handle);
9805 mono_mb_emit_ldarg (mb, 0);
9807 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
9808 emit_thread_interrupt_checkpoint (mb);
9810 mono_mb_emit_ldarg (mb, 0);
9811 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9815 mono_mb_patch_branch (mb, pos_failed);
9816 mono_mb_emit_byte (mb, CEE_LDNULL);
9820 mono_mb_patch_branch (mb, pos_end);
9821 mono_mb_emit_byte (mb, CEE_RET);
9824 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9831 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
9834 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
9835 klass = mono_class_from_mono_type (rtype->type);
9836 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
9838 #endif /*DISABLE_REMOTING */
9841 * mono_marshal_get_struct_to_ptr:
9844 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
9845 * The wrapper info for the wrapper is a WrapperInfo structure.
9848 mono_marshal_get_struct_to_ptr (MonoClass *klass)
9850 MonoMethodBuilder *mb;
9851 static MonoMethod *stoptr = NULL;
9855 g_assert (klass != NULL);
9857 mono_marshal_load_type_info (klass);
9859 if (klass->marshal_info->str_to_ptr)
9860 return klass->marshal_info->str_to_ptr;
9863 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
9866 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
9869 if (klass->blittable) {
9870 mono_mb_emit_byte (mb, CEE_LDARG_1);
9871 mono_mb_emit_byte (mb, CEE_LDARG_0);
9872 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9873 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9874 mono_mb_emit_byte (mb, CEE_PREFIX1);
9875 mono_mb_emit_byte (mb, CEE_CPBLK);
9878 /* allocate local 0 (pointer) src_ptr */
9879 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9880 /* allocate local 1 (pointer) dst_ptr */
9881 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9882 /* allocate local 2 (boolean) delete_old */
9883 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9884 mono_mb_emit_byte (mb, CEE_LDARG_2);
9885 mono_mb_emit_stloc (mb, 2);
9887 /* initialize src_ptr to point to the start of object data */
9888 mono_mb_emit_byte (mb, CEE_LDARG_0);
9889 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9890 mono_mb_emit_stloc (mb, 0);
9892 /* initialize dst_ptr */
9893 mono_mb_emit_byte (mb, CEE_LDARG_1);
9894 mono_mb_emit_stloc (mb, 1);
9896 emit_struct_conv (mb, klass, FALSE);
9899 mono_mb_emit_byte (mb, CEE_RET);
9902 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
9905 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
9906 mono_marshal_set_wrapper_info (res, info);
9908 klass->marshal_info->str_to_ptr = res;
9913 * mono_marshal_get_ptr_to_struct:
9916 * generates IL code for PtrToStructure (IntPtr src, object structure)
9917 * The wrapper info for the wrapper is a WrapperInfo structure.
9920 mono_marshal_get_ptr_to_struct (MonoClass *klass)
9922 MonoMethodBuilder *mb;
9923 static MonoMethodSignature *ptostr = NULL;
9927 g_assert (klass != NULL);
9929 mono_marshal_load_type_info (klass);
9931 if (klass->marshal_info->ptr_to_str)
9932 return klass->marshal_info->ptr_to_str;
9935 MonoMethodSignature *sig;
9937 /* Create the signature corresponding to
9938 static void PtrToStructure (IntPtr ptr, object structure);
9939 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
9940 sig = mono_create_icall_signature ("void ptr object");
9941 sig = signature_dup (mono_defaults.corlib, sig);
9943 mono_memory_barrier ();
9947 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
9950 if (klass->blittable) {
9951 mono_mb_emit_byte (mb, CEE_LDARG_1);
9952 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
9953 mono_mb_emit_byte (mb, CEE_LDARG_0);
9954 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
9955 mono_mb_emit_byte (mb, CEE_PREFIX1);
9956 mono_mb_emit_byte (mb, CEE_CPBLK);
9959 /* allocate local 0 (pointer) src_ptr */
9960 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9961 /* allocate local 1 (pointer) dst_ptr */
9962 mono_mb_add_local (mb, &klass->this_arg);
9964 /* initialize src_ptr to point to the start of object data */
9965 mono_mb_emit_byte (mb, CEE_LDARG_0);
9966 mono_mb_emit_stloc (mb, 0);
9968 /* initialize dst_ptr */
9969 mono_mb_emit_byte (mb, CEE_LDARG_1);
9970 mono_mb_emit_op (mb, CEE_UNBOX, klass);
9971 mono_mb_emit_stloc (mb, 1);
9973 emit_struct_conv (mb, klass, TRUE);
9976 mono_mb_emit_byte (mb, CEE_RET);
9979 res = mono_mb_create_method (mb, ptostr, 0);
9982 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
9983 mono_marshal_set_wrapper_info (res, info);
9985 klass->marshal_info->ptr_to_str = res;
9990 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
9991 * This is used to avoid infinite recursion since it is hard to determine where to
9992 * replace a method with its synchronized wrapper, and where not.
9993 * The runtime should execute METHOD instead of the wrapper.
9994 * The wrapper info for the wrapper is a WrapperInfo structure.
9997 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
9999 MonoMethodBuilder *mb;
10001 MonoMethodSignature *sig;
10004 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10005 #ifndef DISABLE_JIT
10006 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10007 mono_mb_emit_byte (mb, CEE_RET);
10009 sig = signature_dup (method->klass->image, mono_method_signature (method));
10010 res = mono_mb_create_method (mb, sig, 0);
10012 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10013 info->d.synchronized_inner.method = method;
10014 mono_marshal_set_wrapper_info (res, info);
10019 * generates IL code for the synchronized wrapper: the generated method
10020 * calls METHOD while locking 'this' or the parent type.
10023 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10025 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10026 MonoMethodSignature *sig;
10027 MonoExceptionClause *clause;
10028 MonoMethodBuilder *mb;
10031 int i, pos, this_local, ret_local = 0;
10035 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10038 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10039 if ((res = mono_marshal_find_in_cache (cache, method)))
10042 sig = signature_dup (method->klass->image, mono_method_signature (method));
10045 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10047 #ifndef DISABLE_JIT
10049 if (!MONO_TYPE_IS_VOID (sig->ret))
10050 ret_local = mono_mb_add_local (mb, sig->ret);
10053 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10054 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10055 #ifndef DISABLE_JIT
10056 /* This will throw the type load exception when the wrapper is compiled */
10057 mono_mb_emit_byte (mb, CEE_LDNULL);
10058 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10059 mono_mb_emit_byte (mb, CEE_POP);
10061 if (!MONO_TYPE_IS_VOID (sig->ret))
10062 mono_mb_emit_ldloc (mb, ret_local);
10063 mono_mb_emit_byte (mb, CEE_RET);
10066 res = mono_mb_create_and_cache (cache, method,
10067 mb, sig, sig->param_count + 16);
10073 #ifndef DISABLE_JIT
10075 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10077 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10078 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10081 mono_loader_lock ();
10083 if (!enter_method) {
10084 MonoMethodDesc *desc;
10086 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10087 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10088 g_assert (enter_method);
10089 mono_method_desc_free (desc);
10091 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10092 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10093 g_assert (exit_method);
10094 mono_method_desc_free (desc);
10096 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10097 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10098 g_assert (gettypefromhandle_method);
10099 mono_method_desc_free (desc);
10102 mono_loader_unlock ();
10104 #ifndef DISABLE_JIT
10105 /* Push this or the type object */
10106 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10107 /* We have special handling for this in the JIT */
10108 int index = mono_mb_add_data (mb, method->klass);
10109 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10110 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10111 mono_mb_emit_i4 (mb, index);
10113 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10116 mono_mb_emit_ldarg (mb, 0);
10117 mono_mb_emit_stloc (mb, this_local);
10119 /* Call Monitor::Enter() */
10120 mono_mb_emit_ldloc (mb, this_local);
10121 mono_mb_emit_managed_call (mb, enter_method, NULL);
10123 clause->try_offset = mono_mb_get_label (mb);
10125 /* Call the method */
10127 mono_mb_emit_ldarg (mb, 0);
10128 for (i = 0; i < sig->param_count; i++)
10129 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10131 mono_mb_emit_managed_call (mb, method, NULL);
10133 if (!MONO_TYPE_IS_VOID (sig->ret))
10134 mono_mb_emit_stloc (mb, ret_local);
10136 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10138 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10139 clause->handler_offset = mono_mb_get_label (mb);
10141 /* Call Monitor::Exit() */
10142 mono_mb_emit_ldloc (mb, this_local);
10143 mono_mb_emit_managed_call (mb, exit_method, NULL);
10144 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10146 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10148 mono_mb_patch_branch (mb, pos);
10149 if (!MONO_TYPE_IS_VOID (sig->ret))
10150 mono_mb_emit_ldloc (mb, ret_local);
10151 mono_mb_emit_byte (mb, CEE_RET);
10153 mono_mb_set_clauses (mb, 1, clause);
10156 res = mono_mb_create_and_cache (cache, method,
10157 mb, sig, sig->param_count + 16);
10165 * the returned method calls 'method' unboxing the this argument
10168 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10170 MonoMethodSignature *sig = mono_method_signature (method);
10172 MonoMethodBuilder *mb;
10176 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10177 if ((res = mono_marshal_find_in_cache (cache, method)))
10180 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10182 g_assert (sig->hasthis);
10184 #ifndef DISABLE_JIT
10185 mono_mb_emit_ldarg (mb, 0);
10186 mono_mb_emit_icon (mb, sizeof (MonoObject));
10187 mono_mb_emit_byte (mb, CEE_ADD);
10188 for (i = 0; i < sig->param_count; ++i)
10189 mono_mb_emit_ldarg (mb, i + 1);
10190 mono_mb_emit_managed_call (mb, method, NULL);
10191 mono_mb_emit_byte (mb, CEE_RET);
10194 res = mono_mb_create_and_cache (cache, method,
10195 mb, sig, sig->param_count + 16);
10198 /* code_for (res); */
10204 STELEMREF_OBJECT, /*no check at all*/
10205 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10206 STELEMREF_CLASS, /*only the klass->parents check*/
10207 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10208 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10209 STELEMREF_KIND_COUNT
10212 static const char *strelemref_wrapper_name[] = {
10213 "object", "sealed_class", "class", "interface", "complex"
10217 is_monomorphic_array (MonoClass *klass)
10219 MonoClass *element_class;
10220 if (klass->rank != 1)
10223 element_class = klass->element_class;
10224 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10228 get_virtual_stelemref_kind (MonoClass *element_class)
10230 if (element_class == mono_defaults.object_class)
10231 return STELEMREF_OBJECT;
10232 if (is_monomorphic_array (element_class))
10233 return STELEMREF_SEALED_CLASS;
10234 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10235 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10236 #ifdef COMPRESSED_INTERFACE_BITMAP
10237 return STELEMREF_COMPLEX;
10239 return STELEMREF_INTERFACE;
10241 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10242 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10243 return STELEMREF_COMPLEX;
10244 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10245 return STELEMREF_SEALED_CLASS;
10246 return STELEMREF_CLASS;
10249 #ifndef DISABLE_JIT
10252 load_array_element_address (MonoMethodBuilder *mb)
10254 mono_mb_emit_ldarg (mb, 0);
10255 mono_mb_emit_ldarg (mb, 1);
10256 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10260 load_array_class (MonoMethodBuilder *mb, int aklass)
10262 mono_mb_emit_ldarg (mb, 0);
10263 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10264 mono_mb_emit_byte (mb, CEE_LDIND_I);
10265 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10266 mono_mb_emit_byte (mb, CEE_LDIND_I);
10267 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10268 mono_mb_emit_byte (mb, CEE_LDIND_I);
10269 mono_mb_emit_stloc (mb, aklass);
10273 load_value_class (MonoMethodBuilder *mb, int vklass)
10275 mono_mb_emit_ldarg (mb, 2);
10276 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10277 mono_mb_emit_byte (mb, CEE_LDIND_I);
10278 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10279 mono_mb_emit_byte (mb, CEE_LDIND_I);
10280 mono_mb_emit_stloc (mb, vklass);
10286 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10288 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10289 printf ("slow vstore of %s\n", name);
10295 * The wrapper info for the wrapper is a WrapperInfo structure.
10298 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10299 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10300 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10301 * - Add a case for arrays of arrays.
10304 get_virtual_stelemref_wrapper (int kind)
10306 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10307 static MonoMethodSignature *signature;
10308 MonoMethodBuilder *mb;
10311 const char *param_names [16];
10312 guint32 b1, b2, b3;
10313 int aklass, vklass, vtable, uiid;
10314 int array_slot_addr;
10317 if (cached_methods [kind])
10318 return cached_methods [kind];
10320 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10321 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10325 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10327 /* void this::stelemref (size_t idx, void* value) */
10328 sig->ret = &mono_defaults.void_class->byval_arg;
10329 sig->hasthis = TRUE;
10330 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10331 sig->params [1] = &mono_defaults.object_class->byval_arg;
10335 #ifndef DISABLE_JIT
10336 param_names [0] = "index";
10337 param_names [1] = "value";
10338 mono_mb_set_param_names (mb, param_names);
10340 /*For now simply call plain old stelemref*/
10342 case STELEMREF_OBJECT:
10343 /* ldelema (implicit bound check) */
10344 load_array_element_address (mb);
10346 mono_mb_emit_ldarg (mb, 2);
10347 mono_mb_emit_byte (mb, CEE_STIND_REF);
10348 mono_mb_emit_byte (mb, CEE_RET);
10351 case STELEMREF_COMPLEX:
10353 <ldelema (bound check)>
10356 if (!mono_object_isinst (value, aklass))
10360 *array_slot_addr = value;
10363 throw new ArrayTypeMismatchException ();
10366 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10367 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10371 /*Use this to debug/record stores that are going thru the slow path*/
10372 MonoMethodSignature *csig;
10373 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10374 csig->ret = &mono_defaults.void_class->byval_arg;
10375 csig->params [0] = &mono_defaults.object_class->byval_arg;
10376 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10377 csig->params [2] = &mono_defaults.object_class->byval_arg;
10378 mono_mb_emit_ldarg (mb, 0);
10379 mono_mb_emit_ldarg (mb, 1);
10380 mono_mb_emit_ldarg (mb, 2);
10381 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10385 /* ldelema (implicit bound check) */
10386 load_array_element_address (mb);
10387 mono_mb_emit_stloc (mb, array_slot_addr);
10389 /* if (!value) goto do_store */
10390 mono_mb_emit_ldarg (mb, 2);
10391 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10393 /* aklass = array->vtable->klass->element_class */
10394 load_array_class (mb, aklass);
10396 /*if (mono_object_isinst (value, aklass)) */
10397 mono_mb_emit_ldarg (mb, 2);
10398 mono_mb_emit_ldloc (mb, aklass);
10399 mono_mb_emit_icall (mb, mono_object_isinst);
10400 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10403 mono_mb_patch_branch (mb, b1);
10404 mono_mb_emit_ldloc (mb, array_slot_addr);
10405 mono_mb_emit_ldarg (mb, 2);
10406 mono_mb_emit_byte (mb, CEE_STIND_REF);
10407 mono_mb_emit_byte (mb, CEE_RET);
10409 /* do_exception: */
10410 mono_mb_patch_branch (mb, b2);
10412 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10415 case STELEMREF_SEALED_CLASS:
10417 <ldelema (bound check)>
10421 aklass = array->vtable->klass->element_class;
10422 vklass = value->vtable->klass;
10424 if (vklass != aklass)
10428 *array_slot_addr = value;
10431 throw new ArrayTypeMismatchException ();
10433 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10434 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10435 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10438 /* ldelema (implicit bound check) */
10439 load_array_element_address (mb);
10440 mono_mb_emit_stloc (mb, array_slot_addr);
10442 /* if (!value) goto do_store */
10443 mono_mb_emit_ldarg (mb, 2);
10444 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10446 /* aklass = array->vtable->klass->element_class */
10447 load_array_class (mb, aklass);
10449 /* vklass = value->vtable->klass */
10450 load_value_class (mb, vklass);
10452 /*if (vklass != aklass) goto do_exception; */
10453 mono_mb_emit_ldloc (mb, aklass);
10454 mono_mb_emit_ldloc (mb, vklass);
10455 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10458 mono_mb_patch_branch (mb, b1);
10459 mono_mb_emit_ldloc (mb, array_slot_addr);
10460 mono_mb_emit_ldarg (mb, 2);
10461 mono_mb_emit_byte (mb, CEE_STIND_REF);
10462 mono_mb_emit_byte (mb, CEE_RET);
10464 /* do_exception: */
10465 mono_mb_patch_branch (mb, b2);
10466 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10469 case STELEMREF_CLASS:
10472 <ldelema (bound check)>
10476 aklass = array->vtable->klass->element_class;
10477 vklass = value->vtable->klass;
10479 if (vklass->idepth < aklass->idepth)
10482 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10486 *array_slot_addr = value;
10490 throw new ArrayTypeMismatchException ();
10492 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10493 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10494 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10496 /* ldelema (implicit bound check) */
10497 load_array_element_address (mb);
10498 mono_mb_emit_stloc (mb, array_slot_addr);
10500 /* if (!value) goto do_store */
10501 mono_mb_emit_ldarg (mb, 2);
10502 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10504 /* aklass = array->vtable->klass->element_class */
10505 load_array_class (mb, aklass);
10507 /* vklass = value->vtable->klass */
10508 load_value_class (mb, vklass);
10510 /*if (mono_object_isinst (value, aklass)) */
10511 mono_mb_emit_ldarg (mb, 2);
10512 mono_mb_emit_ldloc (mb, aklass);
10513 mono_mb_emit_icall (mb, mono_object_isinst);
10514 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10516 /* if (vklass->idepth < aklass->idepth) goto failue */
10517 mono_mb_emit_ldloc (mb, vklass);
10518 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10519 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10521 mono_mb_emit_ldloc (mb, aklass);
10522 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10523 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10525 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10527 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10528 mono_mb_emit_ldloc (mb, vklass);
10529 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10530 mono_mb_emit_byte (mb, CEE_LDIND_I);
10532 mono_mb_emit_ldloc (mb, aklass);
10533 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10534 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10535 mono_mb_emit_icon (mb, 1);
10536 mono_mb_emit_byte (mb, CEE_SUB);
10537 mono_mb_emit_icon (mb, sizeof (void*));
10538 mono_mb_emit_byte (mb, CEE_MUL);
10539 mono_mb_emit_byte (mb, CEE_ADD);
10540 mono_mb_emit_byte (mb, CEE_LDIND_I);
10542 mono_mb_emit_ldloc (mb, aklass);
10543 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10546 mono_mb_patch_branch (mb, b1);
10547 mono_mb_emit_ldloc (mb, array_slot_addr);
10548 mono_mb_emit_ldarg (mb, 2);
10549 mono_mb_emit_byte (mb, CEE_STIND_REF);
10550 mono_mb_emit_byte (mb, CEE_RET);
10552 /* do_exception: */
10553 mono_mb_patch_branch (mb, b2);
10554 mono_mb_patch_branch (mb, b3);
10556 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10559 case STELEMREF_INTERFACE:
10566 klass = array->obj.vtable->klass->element_class;
10567 vt = value->vtable;
10568 uiid = klass->interface_id;
10569 if (uiid > vt->max_interface_id)
10571 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10574 mono_array_setref (array, index, value);
10577 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10579 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10580 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10581 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10582 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10584 /* ldelema (implicit bound check) */
10585 load_array_element_address (mb);
10586 mono_mb_emit_stloc (mb, array_slot_addr);
10588 /* if (!value) goto do_store */
10589 mono_mb_emit_ldarg (mb, 2);
10590 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10592 /* klass = array->vtable->klass->element_class */
10593 load_array_class (mb, aklass);
10595 /* vt = value->vtable */
10596 mono_mb_emit_ldarg (mb, 2);
10597 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10598 mono_mb_emit_byte (mb, CEE_LDIND_I);
10599 mono_mb_emit_stloc (mb, vtable);
10601 /* uiid = klass->interface_id; */
10602 mono_mb_emit_ldloc (mb, aklass);
10603 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10604 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10605 mono_mb_emit_stloc (mb, uiid);
10607 /*if (uiid > vt->max_interface_id)*/
10608 mono_mb_emit_ldloc (mb, uiid);
10609 mono_mb_emit_ldloc (mb, vtable);
10610 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10611 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10612 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10614 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10616 /*vt->interface_bitmap*/
10617 mono_mb_emit_ldloc (mb, vtable);
10618 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10619 mono_mb_emit_byte (mb, CEE_LDIND_I);
10622 mono_mb_emit_ldloc (mb, uiid);
10623 mono_mb_emit_icon (mb, 3);
10624 mono_mb_emit_byte (mb, CEE_SHR_UN);
10626 /*vt->interface_bitmap [(uiid) >> 3]*/
10627 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10628 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10630 /*(1 << ((uiid)&7)))*/
10631 mono_mb_emit_icon (mb, 1);
10632 mono_mb_emit_ldloc (mb, uiid);
10633 mono_mb_emit_icon (mb, 7);
10634 mono_mb_emit_byte (mb, CEE_AND);
10635 mono_mb_emit_byte (mb, CEE_SHL);
10637 /*bitwise and the whole thing*/
10638 mono_mb_emit_byte (mb, CEE_AND);
10639 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10642 mono_mb_patch_branch (mb, b1);
10643 mono_mb_emit_ldloc (mb, array_slot_addr);
10644 mono_mb_emit_ldarg (mb, 2);
10645 mono_mb_emit_byte (mb, CEE_STIND_REF);
10646 mono_mb_emit_byte (mb, CEE_RET);
10648 /* do_exception: */
10649 mono_mb_patch_branch (mb, b2);
10650 mono_mb_patch_branch (mb, b3);
10651 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10655 mono_mb_emit_ldarg (mb, 0);
10656 mono_mb_emit_ldarg (mb, 1);
10657 mono_mb_emit_ldarg (mb, 2);
10658 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10659 mono_mb_emit_byte (mb, CEE_RET);
10662 #endif /* DISABLE_JIT */
10664 res = mono_mb_create_method (mb, signature, 4);
10665 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10667 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
10668 info->d.virtual_stelemref.kind = kind;
10669 mono_marshal_set_wrapper_info (res, info);
10671 mono_marshal_lock ();
10672 if (!cached_methods [kind]) {
10673 cached_methods [kind] = res;
10674 mono_marshal_unlock ();
10676 mono_marshal_unlock ();
10677 mono_free_method (res);
10681 return cached_methods [kind];
10685 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10689 g_assert (array_class->rank == 1);
10690 kind = get_virtual_stelemref_kind (array_class->element_class);
10692 return get_virtual_stelemref_wrapper (kind);
10696 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
10701 *nwrappers = STELEMREF_KIND_COUNT;
10702 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
10703 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
10704 res [i] = get_virtual_stelemref_wrapper (i);
10709 * The wrapper info for the wrapper is a WrapperInfo structure.
10712 mono_marshal_get_stelemref ()
10714 static MonoMethod* ret = NULL;
10715 MonoMethodSignature *sig;
10716 MonoMethodBuilder *mb;
10719 guint32 b1, b2, b3, b4;
10721 int aklass, vklass;
10722 int array_slot_addr;
10727 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10730 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10732 /* void stelemref (void* array, int idx, void* value) */
10733 sig->ret = &mono_defaults.void_class->byval_arg;
10734 sig->params [0] = &mono_defaults.object_class->byval_arg;
10735 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10736 sig->params [2] = &mono_defaults.object_class->byval_arg;
10738 #ifndef DISABLE_JIT
10739 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10740 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10741 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10745 <ldelema (bound check)>
10749 aklass = array->vtable->klass->element_class;
10750 vklass = value->vtable->klass;
10752 if (vklass->idepth < aklass->idepth)
10755 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10759 *array_slot_addr = value;
10763 if (mono_object_isinst (value, aklass))
10766 throw new ArrayTypeMismatchException ();
10769 /* ldelema (implicit bound check) */
10770 mono_mb_emit_ldarg (mb, 0);
10771 mono_mb_emit_ldarg (mb, 1);
10772 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10773 mono_mb_emit_stloc (mb, array_slot_addr);
10775 /* if (!value) goto do_store */
10776 mono_mb_emit_ldarg (mb, 2);
10777 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10779 /* aklass = array->vtable->klass->element_class */
10780 mono_mb_emit_ldarg (mb, 0);
10781 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10782 mono_mb_emit_byte (mb, CEE_LDIND_I);
10783 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10784 mono_mb_emit_byte (mb, CEE_LDIND_I);
10785 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10786 mono_mb_emit_byte (mb, CEE_LDIND_I);
10787 mono_mb_emit_stloc (mb, aklass);
10789 /* vklass = value->vtable->klass */
10790 mono_mb_emit_ldarg (mb, 2);
10791 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10792 mono_mb_emit_byte (mb, CEE_LDIND_I);
10793 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10794 mono_mb_emit_byte (mb, CEE_LDIND_I);
10795 mono_mb_emit_stloc (mb, vklass);
10797 /* if (vklass->idepth < aklass->idepth) goto failue */
10798 mono_mb_emit_ldloc (mb, vklass);
10799 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10800 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10802 mono_mb_emit_ldloc (mb, aklass);
10803 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10804 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10806 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10808 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10809 mono_mb_emit_ldloc (mb, vklass);
10810 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10811 mono_mb_emit_byte (mb, CEE_LDIND_I);
10813 mono_mb_emit_ldloc (mb, aklass);
10814 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10815 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10816 mono_mb_emit_icon (mb, 1);
10817 mono_mb_emit_byte (mb, CEE_SUB);
10818 mono_mb_emit_icon (mb, sizeof (void*));
10819 mono_mb_emit_byte (mb, CEE_MUL);
10820 mono_mb_emit_byte (mb, CEE_ADD);
10821 mono_mb_emit_byte (mb, CEE_LDIND_I);
10823 mono_mb_emit_ldloc (mb, aklass);
10825 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10827 copy_pos = mono_mb_get_label (mb);
10829 mono_mb_patch_branch (mb, b1);
10830 mono_mb_emit_ldloc (mb, array_slot_addr);
10831 mono_mb_emit_ldarg (mb, 2);
10832 mono_mb_emit_byte (mb, CEE_STIND_REF);
10834 mono_mb_emit_byte (mb, CEE_RET);
10837 mono_mb_patch_branch (mb, b2);
10838 mono_mb_patch_branch (mb, b3);
10840 mono_mb_emit_ldarg (mb, 2);
10841 mono_mb_emit_ldloc (mb, aklass);
10842 mono_mb_emit_icall (mb, mono_object_isinst);
10844 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
10845 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
10846 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10848 mono_mb_emit_byte (mb, CEE_RET);
10851 ret = mono_mb_create_method (mb, sig, 4);
10854 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
10855 mono_marshal_set_wrapper_info (ret, info);
10861 * mono_marshal_get_gsharedvt_in_wrapper:
10863 * This wrapper handles calls from normal code to gsharedvt code.
10865 * The wrapper info for the wrapper is a WrapperInfo structure.
10868 mono_marshal_get_gsharedvt_in_wrapper (void)
10870 static MonoMethod* ret = NULL;
10871 MonoMethodSignature *sig;
10872 MonoMethodBuilder *mb;
10878 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
10880 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10881 sig->ret = &mono_defaults.void_class->byval_arg;
10883 #ifndef DISABLE_JIT
10885 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10887 mono_mb_emit_byte (mb, CEE_RET);
10890 ret = mono_mb_create_method (mb, sig, 4);
10893 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
10894 mono_marshal_set_wrapper_info (ret, info);
10900 * mono_marshal_get_gsharedvt_out_wrapper:
10902 * This wrapper handles calls from gsharedvt code to normal code.
10904 * The wrapper info for the wrapper is a WrapperInfo structure.
10907 mono_marshal_get_gsharedvt_out_wrapper (void)
10909 static MonoMethod* ret = NULL;
10910 MonoMethodSignature *sig;
10911 MonoMethodBuilder *mb;
10917 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
10919 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
10920 sig->ret = &mono_defaults.void_class->byval_arg;
10922 #ifndef DISABLE_JIT
10924 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
10926 mono_mb_emit_byte (mb, CEE_RET);
10929 ret = mono_mb_create_method (mb, sig, 4);
10932 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
10933 mono_marshal_set_wrapper_info (ret, info);
10941 MonoMethod *method;
10944 /* LOCKING: vars accessed under the marshal lock */
10945 static ArrayElemAddr *elem_addr_cache = NULL;
10946 static int elem_addr_cache_size = 0;
10947 static int elem_addr_cache_next = 0;
10950 * mono_marshal_get_array_address:
10951 * @rank: rank of the array type
10952 * @elem_size: size in bytes of an element of an array.
10954 * Returns a MonoMethd that implements the code to get the address
10955 * of an element in a multi-dimenasional array of @rank dimensions.
10956 * The returned method takes an array as the first argument and then
10957 * @rank indexes for the @rank dimensions.
10960 mono_marshal_get_array_address (int rank, int elem_size)
10963 MonoMethodBuilder *mb;
10964 MonoMethodSignature *sig;
10965 int i, bounds, ind, realidx;
10966 int branch_pos, *branch_positions;
10970 mono_marshal_lock ();
10971 for (i = 0; i < elem_addr_cache_next; ++i) {
10972 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
10973 ret = elem_addr_cache [i].method;
10977 mono_marshal_unlock ();
10981 branch_positions = g_new0 (int, rank);
10983 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
10985 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
10986 sig->ret = &mono_defaults.int_class->byval_arg;
10987 sig->params [0] = &mono_defaults.object_class->byval_arg;
10988 for (i = 0; i < rank; ++i) {
10989 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
10992 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
10994 #ifndef DISABLE_JIT
10995 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10996 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10997 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10999 /* bounds = array->bounds; */
11000 mono_mb_emit_ldarg (mb, 0);
11001 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11002 mono_mb_emit_byte (mb, CEE_LDIND_I);
11003 mono_mb_emit_stloc (mb, bounds);
11005 /* ind is the overall element index, realidx is the partial index in a single dimension */
11006 /* ind = idx0 - bounds [0].lower_bound */
11007 mono_mb_emit_ldarg (mb, 1);
11008 mono_mb_emit_ldloc (mb, bounds);
11009 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11010 mono_mb_emit_byte (mb, CEE_ADD);
11011 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11012 mono_mb_emit_byte (mb, CEE_SUB);
11013 mono_mb_emit_stloc (mb, ind);
11014 /* if (ind >= bounds [0].length) goto exeception; */
11015 mono_mb_emit_ldloc (mb, ind);
11016 mono_mb_emit_ldloc (mb, bounds);
11017 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11018 mono_mb_emit_byte (mb, CEE_ADD);
11019 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11020 /* note that we use unsigned comparison */
11021 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11023 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11024 * We could also decide to ignore the passed elem_size and get it
11025 * from the array object, to reduce the number of methods we generate:
11026 * the additional cost is 3 memory loads and a non-immediate mul.
11028 for (i = 1; i < rank; ++i) {
11029 /* realidx = idxi - bounds [i].lower_bound */
11030 mono_mb_emit_ldarg (mb, 1 + i);
11031 mono_mb_emit_ldloc (mb, bounds);
11032 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11033 mono_mb_emit_byte (mb, CEE_ADD);
11034 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11035 mono_mb_emit_byte (mb, CEE_SUB);
11036 mono_mb_emit_stloc (mb, realidx);
11037 /* if (realidx >= bounds [i].length) goto exeception; */
11038 mono_mb_emit_ldloc (mb, realidx);
11039 mono_mb_emit_ldloc (mb, bounds);
11040 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11041 mono_mb_emit_byte (mb, CEE_ADD);
11042 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11043 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11044 /* ind = ind * bounds [i].length + realidx */
11045 mono_mb_emit_ldloc (mb, ind);
11046 mono_mb_emit_ldloc (mb, bounds);
11047 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11048 mono_mb_emit_byte (mb, CEE_ADD);
11049 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11050 mono_mb_emit_byte (mb, CEE_MUL);
11051 mono_mb_emit_ldloc (mb, realidx);
11052 mono_mb_emit_byte (mb, CEE_ADD);
11053 mono_mb_emit_stloc (mb, ind);
11056 /* return array->vector + ind * element_size */
11057 mono_mb_emit_ldarg (mb, 0);
11058 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11059 mono_mb_emit_ldloc (mb, ind);
11060 mono_mb_emit_icon (mb, elem_size);
11061 mono_mb_emit_byte (mb, CEE_MUL);
11062 mono_mb_emit_byte (mb, CEE_ADD);
11063 mono_mb_emit_byte (mb, CEE_RET);
11065 /* patch the branches to get here and throw */
11066 for (i = 1; i < rank; ++i) {
11067 mono_mb_patch_branch (mb, branch_positions [i]);
11069 mono_mb_patch_branch (mb, branch_pos);
11070 /* throw exception */
11071 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11073 g_free (branch_positions);
11074 #endif /* DISABLE_JIT */
11076 ret = mono_mb_create_method (mb, sig, 4);
11079 /* cache the result */
11081 mono_marshal_lock ();
11082 for (i = 0; i < elem_addr_cache_next; ++i) {
11083 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11084 /* FIXME: free ret */
11085 ret = elem_addr_cache [i].method;
11093 if (elem_addr_cache_next >= elem_addr_cache_size) {
11094 int new_size = elem_addr_cache_size + 4;
11095 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11096 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11097 g_free (elem_addr_cache);
11098 elem_addr_cache = new_array;
11099 elem_addr_cache_size = new_size;
11101 elem_addr_cache [elem_addr_cache_next].rank = rank;
11102 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11103 elem_addr_cache [elem_addr_cache_next].method = ret;
11104 elem_addr_cache_next ++;
11106 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11107 info->d.element_addr.rank = rank;
11108 info->d.element_addr.elem_size = elem_size;
11109 mono_marshal_set_wrapper_info (ret, info);
11111 mono_marshal_unlock ();
11116 mono_marshal_alloc (gulong size)
11121 res = CoTaskMemAlloc (size);
11123 res = g_try_malloc ((gulong)size);
11125 mono_gc_out_of_memory ((gulong)size);
11131 mono_marshal_free (gpointer ptr)
11134 CoTaskMemFree (ptr);
11141 mono_marshal_free_array (gpointer *ptr, int size)
11148 for (i = 0; i < size; i++)
11154 mono_marshal_string_to_utf16 (MonoString *s)
11156 return s ? mono_string_chars (s) : NULL;
11160 mono_marshal_string_to_utf16_copy (MonoString *s)
11165 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11166 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11167 res [mono_string_length (s)] = 0;
11173 * mono_marshal_set_last_error:
11175 * This function is invoked to set the last error value from a P/Invoke call
11176 * which has SetLastError set.
11179 mono_marshal_set_last_error (void)
11182 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11184 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11189 mono_marshal_set_last_error_windows (int error)
11192 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11197 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11198 gpointer dest, gint32 length)
11203 MONO_ARCH_SAVE_REGS;
11205 MONO_CHECK_ARG_NULL (src);
11206 MONO_CHECK_ARG_NULL (dest);
11208 if (src->obj.vtable->klass->rank != 1)
11209 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11210 if (start_index < 0)
11211 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11213 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11214 if (start_index + length > mono_array_length (src))
11215 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11217 element_size = mono_array_element_size (src->obj.vtable->klass);
11219 /* no references should be involved */
11220 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11222 memcpy (dest, source_addr, length * element_size);
11226 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11227 MonoArray *dest, gint32 length)
11232 MONO_ARCH_SAVE_REGS;
11234 MONO_CHECK_ARG_NULL (src);
11235 MONO_CHECK_ARG_NULL (dest);
11237 if (dest->obj.vtable->klass->rank != 1)
11238 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11239 if (start_index < 0)
11240 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11242 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11243 if (start_index + length > mono_array_length (dest))
11244 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11246 element_size = mono_array_element_size (dest->obj.vtable->klass);
11248 /* no references should be involved */
11249 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11251 memcpy (dest_addr, src, length * element_size);
11254 #if NO_UNALIGNED_ACCESS
11255 #define RETURN_UNALIGNED(type, addr) \
11258 memcpy(&val, p + offset, sizeof(val)); \
11261 #define WRITE_UNALIGNED(type, addr, val) \
11262 memcpy(addr, &val, sizeof(type))
11264 #define RETURN_UNALIGNED(type, addr) \
11265 return *(type*)(p + offset);
11266 #define WRITE_UNALIGNED(type, addr, val) \
11267 (*(type *)(addr) = (val))
11271 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
11275 MONO_ARCH_SAVE_REGS;
11277 RETURN_UNALIGNED(gpointer, p + offset);
11281 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
11285 MONO_ARCH_SAVE_REGS;
11287 return *(unsigned char*)(p + offset);
11291 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
11295 MONO_ARCH_SAVE_REGS;
11297 RETURN_UNALIGNED(gint16, p + offset);
11301 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
11305 MONO_ARCH_SAVE_REGS;
11307 RETURN_UNALIGNED(gint32, p + offset);
11311 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
11315 MONO_ARCH_SAVE_REGS;
11317 RETURN_UNALIGNED(gint64, p + offset);
11321 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
11325 MONO_ARCH_SAVE_REGS;
11327 *(unsigned char*)(p + offset) = val;
11331 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
11335 MONO_ARCH_SAVE_REGS;
11337 WRITE_UNALIGNED(gpointer, p + offset, val);
11341 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
11345 MONO_ARCH_SAVE_REGS;
11347 WRITE_UNALIGNED(gint16, p + offset, val);
11351 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
11355 MONO_ARCH_SAVE_REGS;
11357 WRITE_UNALIGNED(gint32, p + offset, val);
11361 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
11365 MONO_ARCH_SAVE_REGS;
11367 WRITE_UNALIGNED(gint64, p + offset, val);
11371 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11373 MONO_ARCH_SAVE_REGS;
11378 return mono_string_new (mono_domain_get (), ptr);
11382 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11384 MONO_ARCH_SAVE_REGS;
11387 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11388 g_assert_not_reached ();
11391 return mono_string_new_len (mono_domain_get (), ptr, len);
11396 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11398 MonoDomain *domain = mono_domain_get ();
11402 MONO_ARCH_SAVE_REGS;
11410 return mono_string_new_utf16 (domain, ptr, len);
11414 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11416 MonoDomain *domain = mono_domain_get ();
11418 MONO_ARCH_SAVE_REGS;
11421 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11422 g_assert_not_reached ();
11425 return mono_string_new_utf16 (domain, ptr, len);
11430 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11432 MONO_ARCH_SAVE_REGS;
11434 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11438 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11444 MONO_ARCH_SAVE_REGS;
11446 MONO_CHECK_ARG_NULL (rtype);
11448 type = rtype->type;
11449 klass = mono_class_from_mono_type (type);
11450 if (!mono_class_init (klass))
11451 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11453 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11455 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11457 MonoException *exc;
11459 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11460 exc = mono_get_exception_argument ("t", msg);
11462 mono_raise_exception (exc);
11466 return mono_class_native_size (klass, NULL);
11470 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11472 MonoMethod *method;
11475 MONO_ARCH_SAVE_REGS;
11477 MONO_CHECK_ARG_NULL (obj);
11478 MONO_CHECK_ARG_NULL (dst);
11480 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11484 pa [2] = &delete_old;
11486 mono_runtime_invoke (method, NULL, pa, NULL);
11490 ptr_to_structure (gpointer src, MonoObject *dst)
11492 MonoMethod *method;
11495 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11500 mono_runtime_invoke (method, NULL, pa, NULL);
11504 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11508 MONO_ARCH_SAVE_REGS;
11510 MONO_CHECK_ARG_NULL (src);
11511 MONO_CHECK_ARG_NULL (dst);
11513 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11515 if (t->type == MONO_TYPE_VALUETYPE) {
11516 MonoException *exc;
11519 tmp = g_strdup_printf ("Destination is a boxed value type.");
11520 exc = mono_get_exception_argument ("dst", tmp);
11523 mono_raise_exception (exc);
11527 ptr_to_structure (src, dst);
11531 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11534 MonoDomain *domain = mono_domain_get ();
11537 MONO_ARCH_SAVE_REGS;
11539 MONO_CHECK_ARG_NULL (src);
11540 MONO_CHECK_ARG_NULL (type);
11542 klass = mono_class_from_mono_type (type->type);
11543 if (!mono_class_init (klass))
11544 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11546 res = mono_object_new (domain, klass);
11548 ptr_to_structure (src, res);
11554 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11556 MonoMarshalType *info;
11559 int match_index = -1;
11561 MONO_ARCH_SAVE_REGS;
11563 MONO_CHECK_ARG_NULL (type);
11564 MONO_CHECK_ARG_NULL (field_name);
11566 fname = mono_string_to_utf8 (field_name);
11567 klass = mono_class_from_mono_type (type->type);
11568 if (!mono_class_init (klass))
11569 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11571 while (klass && match_index == -1) {
11572 MonoClassField* field;
11574 gpointer iter = NULL;
11575 while ((field = mono_class_get_fields (klass, &iter))) {
11576 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11578 if (!strcmp (fname, mono_field_get_name (field))) {
11585 if (match_index == -1)
11586 klass = klass->parent;
11591 if(match_index == -1) {
11592 MonoException* exc;
11595 /* Get back original class instance */
11596 klass = mono_class_from_mono_type (type->type);
11598 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11599 exc = mono_get_exception_argument ("fieldName", tmp);
11602 mono_raise_exception ((MonoException*)exc);
11605 info = mono_marshal_load_type_info (klass);
11606 return info->fields [match_index].offset;
11610 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11615 tres = mono_string_to_utf8 (string);
11619 len = strlen (tres) + 1;
11620 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11621 memcpy (ret, tres, len);
11626 return mono_string_to_utf8 (string);
11631 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11633 MONO_ARCH_SAVE_REGS;
11635 if (string == NULL)
11638 #ifdef TARGET_WIN32
11639 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11640 ((mono_string_length (string) + 1) * 2);
11642 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11644 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11645 res [mono_string_length (string)] = 0;
11651 mono_struct_delete_old (MonoClass *klass, char *ptr)
11653 MonoMarshalType *info;
11656 info = mono_marshal_load_type_info (klass);
11658 for (i = 0; i < info->num_fields; i++) {
11659 MonoMarshalNative ntype;
11660 MonoMarshalConv conv;
11661 MonoType *ftype = info->fields [i].field->type;
11664 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11667 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11668 klass->unicode, &conv);
11670 cpos = ptr + info->fields [i].offset;
11673 case MONO_MARSHAL_CONV_NONE:
11674 if (MONO_TYPE_ISSTRUCT (ftype)) {
11675 mono_struct_delete_old (ftype->data.klass, cpos);
11679 case MONO_MARSHAL_CONV_STR_LPWSTR:
11680 /* We assume this field points inside a MonoString */
11682 case MONO_MARSHAL_CONV_STR_LPTSTR:
11683 #ifdef TARGET_WIN32
11684 /* We assume this field points inside a MonoString
11688 case MONO_MARSHAL_CONV_STR_LPSTR:
11689 case MONO_MARSHAL_CONV_STR_BSTR:
11690 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11691 case MONO_MARSHAL_CONV_STR_TBSTR:
11692 mono_marshal_free (*(gpointer *)cpos);
11702 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11706 MONO_ARCH_SAVE_REGS;
11708 MONO_CHECK_ARG_NULL (src);
11709 MONO_CHECK_ARG_NULL (type);
11711 klass = mono_class_from_mono_type (type->type);
11712 if (!mono_class_init (klass))
11713 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11715 mono_struct_delete_old (klass, (char *)src);
11719 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11723 MONO_ARCH_SAVE_REGS;
11725 if ((gulong)size == 0)
11726 /* This returns a valid pointer for size 0 on MS.NET */
11730 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11732 res = g_try_malloc ((gulong)size);
11735 mono_gc_out_of_memory ((gulong)size);
11741 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11746 mono_gc_out_of_memory ((gulong)size);
11751 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11753 res = g_try_realloc (ptr, (gulong)size);
11756 mono_gc_out_of_memory ((gulong)size);
11762 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11764 MONO_ARCH_SAVE_REGS;
11774 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11776 MONO_ARCH_SAVE_REGS;
11779 return CoTaskMemAlloc (size);
11781 return g_try_malloc ((gulong)size);
11786 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11788 MONO_ARCH_SAVE_REGS;
11791 CoTaskMemFree (ptr);
11798 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11800 MONO_ARCH_SAVE_REGS;
11803 return CoTaskMemRealloc (ptr, size);
11805 return g_try_realloc (ptr, (gulong)size);
11810 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11812 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11816 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11818 MonoClass *klass = mono_type_get_class (type->type);
11819 if (!mono_class_init (klass))
11820 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11822 return mono_ftnptr_to_delegate (klass, ftn);
11826 * mono_marshal_is_loading_type_info:
11828 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11832 mono_marshal_is_loading_type_info (MonoClass *klass)
11834 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11836 return g_slist_find (loads_list, klass) != NULL;
11840 * mono_marshal_load_type_info:
11842 * Initialize klass->marshal_info using information from metadata. This function can
11843 * recursively call itself, and the caller is responsible to avoid that by calling
11844 * mono_marshal_is_loading_type_info () beforehand.
11846 * LOCKING: Acquires the loader lock.
11849 mono_marshal_load_type_info (MonoClass* klass)
11852 guint32 native_size = 0, min_align = 1, packing;
11853 MonoMarshalType *info;
11854 MonoClassField* field;
11857 GSList *loads_list;
11859 g_assert (klass != NULL);
11861 if (klass->marshal_info)
11862 return klass->marshal_info;
11864 if (!klass->inited)
11865 mono_class_init (klass);
11867 mono_loader_lock ();
11869 if (klass->marshal_info) {
11870 mono_loader_unlock ();
11871 return klass->marshal_info;
11875 * This function can recursively call itself, so we keep the list of classes which are
11876 * under initialization in a TLS list.
11878 g_assert (!mono_marshal_is_loading_type_info (klass));
11879 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11880 loads_list = g_slist_prepend (loads_list, klass);
11881 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11884 while ((field = mono_class_get_fields (klass, &iter))) {
11885 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11887 if (mono_field_is_deleted (field))
11892 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11894 /* The mempool is protected by the loader lock */
11895 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11896 info->num_fields = count;
11898 /* Try to find a size for this type in metadata */
11899 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11901 if (klass->parent) {
11902 int parent_size = mono_class_native_size (klass->parent, NULL);
11904 /* Add parent size to real size */
11905 native_size += parent_size;
11906 info->native_size = parent_size;
11909 packing = klass->packing_size ? klass->packing_size : 8;
11912 while ((field = mono_class_get_fields (klass, &iter))) {
11916 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11919 if (mono_field_is_deleted (field))
11921 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
11922 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
11923 NULL, NULL, &info->fields [j].mspec);
11925 info->fields [j].field = field;
11927 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
11928 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
11929 /* This field is a hack inserted by MCS to empty structures */
11934 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
11935 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
11936 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11937 &align, TRUE, klass->unicode);
11938 align = klass->packing_size ? MIN (klass->packing_size, align): align;
11939 min_align = MAX (align, min_align);
11940 info->fields [j].offset = info->native_size;
11941 info->fields [j].offset += align - 1;
11942 info->fields [j].offset &= ~(align - 1);
11943 info->native_size = info->fields [j].offset + size;
11945 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
11946 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
11947 &align, TRUE, klass->unicode);
11948 min_align = packing;
11949 info->fields [j].offset = field->offset - sizeof (MonoObject);
11950 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
11956 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11957 info->native_size = MAX (native_size, info->native_size);
11959 * If the provided Size is equal or larger than the calculated size, and there
11960 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
11962 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
11963 if (native_size && native_size == info->native_size && klass->packing_size == 0)
11967 if (info->native_size & (min_align - 1)) {
11968 info->native_size += min_align - 1;
11969 info->native_size &= ~(min_align - 1);
11972 info->min_align = min_align;
11974 /* Update the class's blittable info, if the layouts don't match */
11975 if (info->native_size != mono_class_value_size (klass, NULL))
11976 klass->blittable = FALSE;
11978 /* If this is an array type, ensure that we have element info */
11979 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
11980 mono_marshal_load_type_info (klass->element_class);
11983 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11984 loads_list = g_slist_remove (loads_list, klass);
11985 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11987 /*We do double-checking locking on marshal_info */
11988 mono_memory_barrier ();
11990 klass->marshal_info = info;
11992 mono_loader_unlock ();
11994 return klass->marshal_info;
11998 * mono_class_native_size:
12001 * Returns: the native size of an object instance (when marshaled
12002 * to unmanaged code)
12005 mono_class_native_size (MonoClass *klass, guint32 *align)
12007 if (!klass->marshal_info) {
12008 if (mono_marshal_is_loading_type_info (klass)) {
12013 mono_marshal_load_type_info (klass);
12018 *align = klass->marshal_info->min_align;
12020 return klass->marshal_info->native_size;
12023 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12024 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12025 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12026 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12029 * mono_type_native_stack_size:
12030 * @t: the type to return the size it uses on the stack
12032 * Returns: the number of bytes required to hold an instance of this
12033 * type on the native stack
12036 mono_type_native_stack_size (MonoType *t, guint32 *align)
12040 g_assert (t != NULL);
12046 *align = sizeof (gpointer);
12047 return sizeof (gpointer);
12051 case MONO_TYPE_BOOLEAN:
12052 case MONO_TYPE_CHAR:
12063 case MONO_TYPE_STRING:
12064 case MONO_TYPE_OBJECT:
12065 case MONO_TYPE_CLASS:
12066 case MONO_TYPE_SZARRAY:
12067 case MONO_TYPE_PTR:
12068 case MONO_TYPE_FNPTR:
12069 case MONO_TYPE_ARRAY:
12070 *align = sizeof (gpointer);
12071 return sizeof (gpointer);
12076 *align = ALIGNMENT (gdouble);
12080 *align = ALIGNMENT (glong);
12082 case MONO_TYPE_GENERICINST:
12083 if (!mono_type_generic_inst_is_valuetype (t)) {
12084 *align = sizeof (gpointer);
12085 return sizeof (gpointer);
12088 case MONO_TYPE_TYPEDBYREF:
12089 case MONO_TYPE_VALUETYPE: {
12091 MonoClass *klass = mono_class_from_mono_type (t);
12093 if (klass->enumtype)
12094 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12096 size = mono_class_native_size (klass, align);
12097 *align = *align + 3;
12107 g_error ("type 0x%02x unknown", t->type);
12113 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12114 gboolean as_field, gboolean unicode)
12116 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12119 switch (native_type) {
12120 case MONO_NATIVE_BOOLEAN:
12123 case MONO_NATIVE_I1:
12124 case MONO_NATIVE_U1:
12127 case MONO_NATIVE_I2:
12128 case MONO_NATIVE_U2:
12129 case MONO_NATIVE_VARIANTBOOL:
12132 case MONO_NATIVE_I4:
12133 case MONO_NATIVE_U4:
12134 case MONO_NATIVE_ERROR:
12137 case MONO_NATIVE_I8:
12138 case MONO_NATIVE_U8:
12139 *align = ALIGNMENT(guint64);
12141 case MONO_NATIVE_R4:
12144 case MONO_NATIVE_R8:
12145 *align = ALIGNMENT(double);
12147 case MONO_NATIVE_INT:
12148 case MONO_NATIVE_UINT:
12149 case MONO_NATIVE_LPSTR:
12150 case MONO_NATIVE_LPWSTR:
12151 case MONO_NATIVE_LPTSTR:
12152 case MONO_NATIVE_BSTR:
12153 case MONO_NATIVE_ANSIBSTR:
12154 case MONO_NATIVE_TBSTR:
12155 case MONO_NATIVE_LPARRAY:
12156 case MONO_NATIVE_SAFEARRAY:
12157 case MONO_NATIVE_IUNKNOWN:
12158 case MONO_NATIVE_IDISPATCH:
12159 case MONO_NATIVE_INTERFACE:
12160 case MONO_NATIVE_ASANY:
12161 case MONO_NATIVE_FUNC:
12162 case MONO_NATIVE_LPSTRUCT:
12163 *align = ALIGNMENT(gpointer);
12164 return sizeof (gpointer);
12165 case MONO_NATIVE_STRUCT:
12166 klass = mono_class_from_mono_type (type);
12167 if (klass == mono_defaults.object_class &&
12168 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12172 return mono_class_native_size (klass, align);
12173 case MONO_NATIVE_BYVALTSTR: {
12174 int esize = unicode ? 2: 1;
12177 return mspec->data.array_data.num_elem * esize;
12179 case MONO_NATIVE_BYVALARRAY: {
12180 // FIXME: Have to consider ArraySubType
12182 klass = mono_class_from_mono_type (type);
12183 if (klass->element_class == mono_defaults.char_class) {
12184 esize = unicode ? 2 : 1;
12187 esize = mono_class_native_size (klass->element_class, align);
12190 return mspec->data.array_data.num_elem * esize;
12192 case MONO_NATIVE_CUSTOM:
12193 *align = sizeof (gpointer);
12194 return sizeof (gpointer);
12196 case MONO_NATIVE_CURRENCY:
12197 case MONO_NATIVE_VBBYREFSTR:
12199 g_error ("native type %02x not implemented", native_type);
12202 g_assert_not_reached ();
12207 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12215 t = &o->vtable->klass->byval_arg;
12219 case MONO_TYPE_PTR:
12222 case MONO_TYPE_BOOLEAN:
12225 case MONO_TYPE_CHAR:
12230 return mono_object_unbox (o);
12232 case MONO_TYPE_STRING:
12233 switch (string_encoding) {
12234 case MONO_NATIVE_LPWSTR:
12235 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12237 case MONO_NATIVE_LPSTR:
12238 return mono_string_to_lpstr ((MonoString*)o);
12241 g_warning ("marshaling conversion %d not implemented", string_encoding);
12242 g_assert_not_reached ();
12245 case MONO_TYPE_CLASS:
12246 case MONO_TYPE_VALUETYPE: {
12247 MonoMethod *method;
12250 MonoBoolean delete_old = FALSE;
12252 klass = t->data.klass;
12254 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12257 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12258 klass->blittable || klass->enumtype))
12259 return mono_object_unbox (o);
12261 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12263 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12264 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12268 pa [2] = &delete_old;
12270 mono_runtime_invoke (method, NULL, pa, NULL);
12277 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12283 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12291 t = &o->vtable->klass->byval_arg;
12293 case MONO_TYPE_STRING:
12294 switch (string_encoding) {
12295 case MONO_NATIVE_LPWSTR:
12296 case MONO_NATIVE_LPSTR:
12297 mono_marshal_free (ptr);
12300 g_warning ("marshaling conversion %d not implemented", string_encoding);
12301 g_assert_not_reached ();
12304 case MONO_TYPE_CLASS:
12305 case MONO_TYPE_VALUETYPE: {
12306 klass = t->data.klass;
12308 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12309 klass->blittable || klass->enumtype))
12312 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12313 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12319 mono_runtime_invoke (method, NULL, pa, NULL);
12322 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12323 mono_struct_delete_old (klass, ptr);
12326 mono_marshal_free (ptr);
12335 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12337 MonoMethodSignature *sig, *csig;
12338 MonoMethodBuilder *mb;
12343 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12344 mb->method->slot = -1;
12346 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12347 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12349 sig = mono_method_signature (method);
12350 csig = signature_dup (method->klass->image, sig);
12351 csig->generic_param_count = 0;
12353 #ifndef DISABLE_JIT
12354 mono_mb_emit_ldarg (mb, 0);
12355 for (i = 0; i < csig->param_count; i++)
12356 mono_mb_emit_ldarg (mb, i + 1);
12357 mono_mb_emit_managed_call (mb, method, NULL);
12358 mono_mb_emit_byte (mb, CEE_RET);
12360 /* We can corlib internal methods */
12361 mb->skip_visibility = TRUE;
12364 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12366 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12367 info->d.generic_array_helper.method = method;
12368 mono_marshal_set_wrapper_info (res, info);
12376 * The mono_win32_compat_* functions are implementations of inline
12377 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12378 * although not exported by kernel32.
12380 * We map the appropiate kernel32 entries to these functions using
12381 * dllmaps declared in the global etc/mono/config.
12385 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12387 if (!dest || !source)
12390 memcpy (dest, source, length);
12394 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12396 memset (dest, fill, length);
12400 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12402 if (!dest || !source)
12405 memmove (dest, source, length);
12409 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12411 memset (dest, 0, length);
12415 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12420 for (i = 0; i < len; ++i)
12424 g_assert (i < len);
12427 while (byte && !(byte & 1))
12429 g_assert (byte == 1);
12432 *bitmask = buf [i];
12436 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12438 MonoMethodBuilder *mb;
12439 MonoMethodSignature *sig, *csig;
12440 MonoExceptionClause *clause;
12445 int i, param_count, sig_size, pos_leave;
12449 klass = method->klass;
12450 image = method->klass->image;
12451 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12453 if ((res = mono_marshal_find_in_cache (cache, method)))
12456 sig = mono_method_signature (method);
12457 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12459 /* add "this" and exception param */
12460 param_count = sig->param_count + sig->hasthis + 1;
12462 /* dup & extend signature */
12463 csig = mono_metadata_signature_alloc (image, param_count);
12464 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12465 memcpy (csig, sig, sig_size);
12466 csig->param_count = param_count;
12469 csig->call_convention = MONO_CALL_DEFAULT;
12471 if (sig->hasthis) {
12473 csig->params [0] = &klass->byval_arg;
12474 /* move params up by one */
12475 for (i = 0; i < sig->param_count; i++)
12476 csig->params [i + 1] = sig->params [i];
12479 /* setup exception param as byref+[out] */
12480 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12481 &mono_defaults.exception_class->byval_arg);
12482 csig->params [param_count - 1]->byref = 1;
12483 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12485 /* convert struct return to object */
12486 if (MONO_TYPE_ISSTRUCT (sig->ret))
12487 csig->ret = &mono_defaults.object_class->byval_arg;
12489 #ifndef DISABLE_JIT
12490 /* local 0 (temp for exception object) */
12491 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12493 /* local 1 (temp for result) */
12494 if (!MONO_TYPE_IS_VOID (sig->ret))
12495 mono_mb_add_local (mb, sig->ret);
12497 /* clear exception arg */
12498 mono_mb_emit_ldarg (mb, param_count - 1);
12499 mono_mb_emit_byte (mb, CEE_LDNULL);
12500 mono_mb_emit_byte (mb, CEE_STIND_REF);
12503 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12504 clause->try_offset = mono_mb_get_label (mb);
12506 /* push method's args */
12507 for (i = 0; i < param_count - 1; i++) {
12511 mono_mb_emit_ldarg (mb, i);
12513 /* get the byval type of the param */
12514 klass = mono_class_from_mono_type (csig->params [i]);
12515 type = &klass->byval_arg;
12517 /* unbox struct args */
12518 if (MONO_TYPE_ISSTRUCT (type)) {
12519 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12521 /* byref args & and the "this" arg must remain a ptr.
12522 Otherwise make a copy of the value type */
12523 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12524 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12526 csig->params [i] = &mono_defaults.object_class->byval_arg;
12531 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12532 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12534 mono_mb_emit_op (mb, CEE_CALL, method);
12536 /* save result at local 1 */
12537 if (!MONO_TYPE_IS_VOID (sig->ret))
12538 mono_mb_emit_stloc (mb, 1);
12540 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12543 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12544 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12545 clause->data.catch_class = mono_defaults.object_class;
12547 clause->handler_offset = mono_mb_get_label (mb);
12549 /* store exception at local 0 */
12550 mono_mb_emit_stloc (mb, 0);
12551 mono_mb_emit_ldarg (mb, param_count - 1);
12552 mono_mb_emit_ldloc (mb, 0);
12553 mono_mb_emit_byte (mb, CEE_STIND_REF);
12554 mono_mb_emit_branch (mb, CEE_LEAVE);
12556 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12558 mono_mb_set_clauses (mb, 1, clause);
12560 mono_mb_patch_branch (mb, pos_leave);
12563 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12564 mono_mb_emit_ldloc (mb, 1);
12566 /* box the return value */
12567 if (MONO_TYPE_ISSTRUCT (sig->ret))
12568 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12571 mono_mb_emit_byte (mb, CEE_RET);
12574 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12581 * mono_marshal_free_dynamic_wrappers:
12583 * Free wrappers of the dynamic method METHOD.
12586 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12588 MonoImage *image = method->klass->image;
12590 g_assert (method->dynamic);
12592 /* This could be called during shutdown */
12593 if (marshal_mutex_initialized)
12594 mono_marshal_lock ();
12596 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12597 * they could be shared with other methods ?
12599 if (image->runtime_invoke_direct_cache)
12600 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12601 if (image->delegate_bound_static_invoke_cache)
12602 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12603 if (image->delegate_abstract_invoke_cache)
12604 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12606 if (marshal_mutex_initialized)
12607 mono_marshal_unlock ();
12611 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12613 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12614 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12616 return mono_metadata_signature_equal (pair->sig, sig);
12620 * mono_marshal_free_inflated_wrappers:
12622 * Free wrappers of the inflated method METHOD.
12625 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12627 MonoMethodSignature *sig = method->signature;
12629 g_assert (method->is_inflated);
12631 /* Ignore calls occuring late during cleanup. */
12632 if (!marshal_mutex_initialized)
12635 mono_marshal_lock ();
12637 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12638 * they could be shared with other methods ?
12642 * indexed by MonoMethodSignature
12644 /* FIXME: This could remove unrelated wrappers as well */
12645 if (sig && method->klass->image->delegate_begin_invoke_cache)
12646 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12647 if (sig && method->klass->image->delegate_end_invoke_cache)
12648 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12649 if (sig && method->klass->image->delegate_invoke_cache)
12650 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12651 if (sig && method->klass->image->runtime_invoke_cache)
12652 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12655 * indexed by SignatureMethodPair
12657 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12658 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12659 signature_method_pair_matches_signature, (gpointer)sig);
12661 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12662 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12663 signature_method_pair_matches_signature, (gpointer)sig);
12666 * indexed by MonoMethod pointers
12668 if (method->klass->image->runtime_invoke_direct_cache)
12669 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12670 if (method->klass->image->managed_wrapper_cache)
12671 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12672 if (method->klass->image->native_wrapper_cache)
12673 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12674 if (method->klass->image->remoting_invoke_cache)
12675 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12676 if (method->klass->image->synchronized_cache)
12677 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12678 if (method->klass->image->unbox_wrapper_cache)
12679 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12680 if (method->klass->image->cominterop_invoke_cache)
12681 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12682 if (method->klass->image->cominterop_wrapper_cache)
12683 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12684 if (method->klass->image->thunk_invoke_cache)
12685 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12686 if (method->klass->image->native_func_wrapper_aot_cache)
12687 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
12689 mono_marshal_unlock ();