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);
1100 #endif /* !DISABLE_JIT */
1103 mono_type_to_ldind (MonoType *type)
1109 switch (type->type) {
1111 return CEE_LDIND_I1;
1113 case MONO_TYPE_BOOLEAN:
1114 return CEE_LDIND_U1;
1116 return CEE_LDIND_I2;
1118 case MONO_TYPE_CHAR:
1119 return CEE_LDIND_U2;
1121 return CEE_LDIND_I4;
1123 return CEE_LDIND_U4;
1127 case MONO_TYPE_FNPTR:
1129 case MONO_TYPE_CLASS:
1130 case MONO_TYPE_STRING:
1131 case MONO_TYPE_OBJECT:
1132 case MONO_TYPE_SZARRAY:
1133 case MONO_TYPE_ARRAY:
1134 return CEE_LDIND_REF;
1137 return CEE_LDIND_I8;
1139 return CEE_LDIND_R4;
1141 return CEE_LDIND_R8;
1142 case MONO_TYPE_VALUETYPE:
1143 if (type->data.klass->enumtype) {
1144 type = mono_class_enum_basetype (type->data.klass);
1148 case MONO_TYPE_TYPEDBYREF:
1150 case MONO_TYPE_GENERICINST:
1151 type = &type->data.generic_class->container_class->byval_arg;
1154 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1160 mono_type_to_stind (MonoType *type)
1166 switch (type->type) {
1169 case MONO_TYPE_BOOLEAN:
1170 return CEE_STIND_I1;
1173 case MONO_TYPE_CHAR:
1174 return CEE_STIND_I2;
1177 return CEE_STIND_I4;
1181 case MONO_TYPE_FNPTR:
1183 case MONO_TYPE_CLASS:
1184 case MONO_TYPE_STRING:
1185 case MONO_TYPE_OBJECT:
1186 case MONO_TYPE_SZARRAY:
1187 case MONO_TYPE_ARRAY:
1188 return CEE_STIND_REF;
1191 return CEE_STIND_I8;
1193 return CEE_STIND_R4;
1195 return CEE_STIND_R8;
1196 case MONO_TYPE_VALUETYPE:
1197 if (type->data.klass->enumtype) {
1198 type = mono_class_enum_basetype (type->data.klass);
1202 case MONO_TYPE_TYPEDBYREF:
1204 case MONO_TYPE_GENERICINST:
1205 type = &type->data.generic_class->container_class->byval_arg;
1208 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1216 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1219 case MONO_MARSHAL_CONV_BOOL_I4:
1220 mono_mb_emit_ldloc (mb, 1);
1221 mono_mb_emit_ldloc (mb, 0);
1222 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1223 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1224 mono_mb_emit_byte (mb, 3);
1225 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1226 mono_mb_emit_byte (mb, CEE_BR_S);
1227 mono_mb_emit_byte (mb, 1);
1228 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1229 mono_mb_emit_byte (mb, CEE_STIND_I1);
1231 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1232 mono_mb_emit_ldloc (mb, 1);
1233 mono_mb_emit_ldloc (mb, 0);
1234 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1235 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1236 mono_mb_emit_byte (mb, 3);
1237 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1238 mono_mb_emit_byte (mb, CEE_BR_S);
1239 mono_mb_emit_byte (mb, 1);
1240 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1241 mono_mb_emit_byte (mb, CEE_STIND_I1);
1243 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1244 MonoClass *eklass = NULL;
1247 if (type->type == MONO_TYPE_SZARRAY) {
1248 eklass = type->data.klass;
1250 g_assert_not_reached ();
1253 esize = mono_class_native_size (eklass, NULL);
1255 /* create a new array */
1256 mono_mb_emit_ldloc (mb, 1);
1257 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1258 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1259 mono_mb_emit_byte (mb, CEE_STIND_I);
1261 if (eklass->blittable) {
1262 /* copy the elements */
1263 mono_mb_emit_ldloc (mb, 1);
1264 mono_mb_emit_byte (mb, CEE_LDIND_I);
1265 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1266 mono_mb_emit_byte (mb, CEE_ADD);
1267 mono_mb_emit_ldloc (mb, 0);
1268 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1269 mono_mb_emit_byte (mb, CEE_PREFIX1);
1270 mono_mb_emit_byte (mb, CEE_CPBLK);
1273 int array_var, src_var, dst_var, index_var;
1274 guint32 label2, label3;
1276 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1277 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1278 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1281 mono_mb_emit_ldloc (mb, 1);
1282 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1283 mono_mb_emit_stloc (mb, array_var);
1285 /* save the old src pointer */
1286 mono_mb_emit_ldloc (mb, 0);
1287 mono_mb_emit_stloc (mb, src_var);
1288 /* save the old dst pointer */
1289 mono_mb_emit_ldloc (mb, 1);
1290 mono_mb_emit_stloc (mb, dst_var);
1292 /* Emit marshalling loop */
1293 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1294 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1295 mono_mb_emit_stloc (mb, index_var);
1298 label2 = mono_mb_get_label (mb);
1299 mono_mb_emit_ldloc (mb, index_var);
1300 mono_mb_emit_ldloc (mb, array_var);
1301 mono_mb_emit_byte (mb, CEE_LDLEN);
1302 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1304 /* src is already set */
1307 mono_mb_emit_ldloc (mb, array_var);
1308 mono_mb_emit_ldloc (mb, index_var);
1309 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1310 mono_mb_emit_stloc (mb, 1);
1312 /* Do the conversion */
1313 emit_struct_conv (mb, eklass, TRUE);
1316 mono_mb_emit_add_to_local (mb, index_var, 1);
1318 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1320 mono_mb_patch_branch (mb, label3);
1322 /* restore the old src pointer */
1323 mono_mb_emit_ldloc (mb, src_var);
1324 mono_mb_emit_stloc (mb, 0);
1325 /* restore the old dst pointer */
1326 mono_mb_emit_ldloc (mb, dst_var);
1327 mono_mb_emit_stloc (mb, 1);
1331 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1332 MonoClass *eclass = mono_defaults.char_class;
1334 /* create a new array */
1335 mono_mb_emit_ldloc (mb, 1);
1336 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1337 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1338 mono_mb_emit_byte (mb, CEE_STIND_REF);
1340 mono_mb_emit_ldloc (mb, 1);
1341 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1342 mono_mb_emit_ldloc (mb, 0);
1343 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1344 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1345 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1348 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1349 mono_mb_emit_ldloc (mb, 1);
1350 mono_mb_emit_ldloc (mb, 0);
1351 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1352 mono_mb_emit_byte (mb, CEE_STIND_REF);
1354 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1355 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1356 mono_mb_emit_ldloc (mb, 1);
1357 mono_mb_emit_ldloc (mb, 0);
1358 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1359 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1361 mono_mb_emit_ldloc (mb, 1);
1362 mono_mb_emit_ldloc (mb, 0);
1363 mono_mb_emit_icall (mb, mono_string_from_utf16);
1365 mono_mb_emit_byte (mb, CEE_STIND_REF);
1367 case MONO_MARSHAL_CONV_STR_LPTSTR:
1368 mono_mb_emit_ldloc (mb, 1);
1369 mono_mb_emit_ldloc (mb, 0);
1370 mono_mb_emit_byte (mb, CEE_LDIND_I);
1372 mono_mb_emit_icall (mb, mono_string_from_utf16);
1374 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1376 mono_mb_emit_byte (mb, CEE_STIND_REF);
1378 case MONO_MARSHAL_CONV_STR_LPSTR:
1379 mono_mb_emit_ldloc (mb, 1);
1380 mono_mb_emit_ldloc (mb, 0);
1381 mono_mb_emit_byte (mb, CEE_LDIND_I);
1382 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1383 mono_mb_emit_byte (mb, CEE_STIND_REF);
1385 case MONO_MARSHAL_CONV_STR_LPWSTR:
1386 mono_mb_emit_ldloc (mb, 1);
1387 mono_mb_emit_ldloc (mb, 0);
1388 mono_mb_emit_byte (mb, CEE_LDIND_I);
1389 mono_mb_emit_icall (mb, mono_string_from_utf16);
1390 mono_mb_emit_byte (mb, CEE_STIND_REF);
1392 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1393 MonoClass *klass = mono_class_from_mono_type (type);
1394 int src_var, dst_var;
1396 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1397 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1399 /* *dst = new object */
1400 mono_mb_emit_ldloc (mb, 1);
1401 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1402 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1403 mono_mb_emit_byte (mb, CEE_STIND_REF);
1405 /* save the old src pointer */
1406 mono_mb_emit_ldloc (mb, 0);
1407 mono_mb_emit_stloc (mb, src_var);
1408 /* save the old dst pointer */
1409 mono_mb_emit_ldloc (mb, 1);
1410 mono_mb_emit_stloc (mb, dst_var);
1412 /* dst = pointer to newly created object data */
1413 mono_mb_emit_ldloc (mb, 1);
1414 mono_mb_emit_byte (mb, CEE_LDIND_I);
1415 mono_mb_emit_icon (mb, sizeof (MonoObject));
1416 mono_mb_emit_byte (mb, CEE_ADD);
1417 mono_mb_emit_stloc (mb, 1);
1419 emit_struct_conv (mb, klass, TRUE);
1421 /* restore the old src pointer */
1422 mono_mb_emit_ldloc (mb, src_var);
1423 mono_mb_emit_stloc (mb, 0);
1424 /* restore the old dst pointer */
1425 mono_mb_emit_ldloc (mb, dst_var);
1426 mono_mb_emit_stloc (mb, 1);
1429 case MONO_MARSHAL_CONV_DEL_FTN: {
1430 MonoClass *klass = mono_class_from_mono_type (type);
1432 mono_mb_emit_ldloc (mb, 1);
1433 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1434 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1435 mono_mb_emit_ldloc (mb, 0);
1436 mono_mb_emit_byte (mb, CEE_LDIND_I);
1437 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1438 mono_mb_emit_byte (mb, CEE_STIND_REF);
1441 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1442 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1446 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1447 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1448 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1449 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1451 #endif /* DISABLE_COM */
1453 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1455 * Passing SafeHandles as ref does not allow the unmanaged code
1456 * to change the SafeHandle value. If the value is changed,
1457 * we should issue a diagnostic exception (NotSupportedException)
1458 * that informs the user that changes to handles in unmanaged code
1461 * Since we currently have no access to the original
1462 * SafeHandle that was used during the marshalling,
1463 * for now we just ignore this, and ignore/discard any
1464 * changes that might have happened to the handle.
1469 case MONO_MARSHAL_CONV_HANDLEREF: {
1471 * Passing HandleRefs in a struct that is ref()ed does not
1472 * copy the values back to the HandleRef
1477 case MONO_MARSHAL_CONV_STR_BSTR:
1478 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1479 case MONO_MARSHAL_CONV_STR_TBSTR:
1480 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1482 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1484 mono_mb_emit_exception_marshal_directive (mb, msg);
1491 conv_to_icall (MonoMarshalConv conv)
1494 case MONO_MARSHAL_CONV_STR_LPWSTR:
1495 return mono_marshal_string_to_utf16;
1496 case MONO_MARSHAL_CONV_LPWSTR_STR:
1497 return mono_string_from_utf16;
1498 case MONO_MARSHAL_CONV_LPTSTR_STR:
1499 return mono_string_new_wrapper;
1500 case MONO_MARSHAL_CONV_LPSTR_STR:
1501 return mono_string_new_wrapper;
1502 case MONO_MARSHAL_CONV_STR_LPTSTR:
1504 return mono_marshal_string_to_utf16;
1506 return mono_string_to_lpstr;
1508 case MONO_MARSHAL_CONV_STR_LPSTR:
1509 return mono_string_to_lpstr;
1510 case MONO_MARSHAL_CONV_STR_BSTR:
1511 return mono_string_to_bstr;
1512 case MONO_MARSHAL_CONV_BSTR_STR:
1513 return mono_string_from_bstr;
1514 case MONO_MARSHAL_CONV_STR_TBSTR:
1515 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1516 return mono_string_to_ansibstr;
1517 case MONO_MARSHAL_CONV_SB_LPSTR:
1518 return mono_string_builder_to_utf8;
1519 case MONO_MARSHAL_CONV_SB_LPTSTR:
1521 return mono_string_builder_to_utf16;
1523 return mono_string_builder_to_utf8;
1525 case MONO_MARSHAL_CONV_SB_LPWSTR:
1526 return mono_string_builder_to_utf16;
1527 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1528 return mono_array_to_savearray;
1529 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1530 return mono_array_to_lparray;
1531 case MONO_MARSHAL_FREE_LPARRAY:
1532 return mono_free_lparray;
1533 case MONO_MARSHAL_CONV_DEL_FTN:
1534 return mono_delegate_to_ftnptr;
1535 case MONO_MARSHAL_CONV_FTN_DEL:
1536 return mono_ftnptr_to_delegate;
1537 case MONO_MARSHAL_CONV_LPSTR_SB:
1538 return mono_string_utf8_to_builder;
1539 case MONO_MARSHAL_CONV_LPTSTR_SB:
1541 return mono_string_utf16_to_builder;
1543 return mono_string_utf8_to_builder;
1545 case MONO_MARSHAL_CONV_LPWSTR_SB:
1546 return mono_string_utf16_to_builder;
1547 case MONO_MARSHAL_FREE_ARRAY:
1548 return mono_marshal_free_array;
1549 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1550 return mono_string_to_byvalstr;
1551 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1552 return mono_string_to_byvalwstr;
1554 g_assert_not_reached ();
1561 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1566 case MONO_MARSHAL_CONV_BOOL_I4:
1567 mono_mb_emit_ldloc (mb, 1);
1568 mono_mb_emit_ldloc (mb, 0);
1569 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1570 mono_mb_emit_byte (mb, CEE_STIND_I4);
1572 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1573 mono_mb_emit_ldloc (mb, 1);
1574 mono_mb_emit_ldloc (mb, 0);
1575 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1576 mono_mb_emit_byte (mb, CEE_NEG);
1577 mono_mb_emit_byte (mb, CEE_STIND_I2);
1579 case MONO_MARSHAL_CONV_STR_LPWSTR:
1580 case MONO_MARSHAL_CONV_STR_LPSTR:
1581 case MONO_MARSHAL_CONV_STR_LPTSTR:
1582 case MONO_MARSHAL_CONV_STR_BSTR:
1583 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1584 case MONO_MARSHAL_CONV_STR_TBSTR: {
1587 /* free space if free == true */
1588 mono_mb_emit_ldloc (mb, 2);
1589 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1590 mono_mb_emit_ldloc (mb, 1);
1591 mono_mb_emit_byte (mb, CEE_LDIND_I);
1592 mono_mb_emit_icall (mb, g_free);
1593 mono_mb_patch_short_branch (mb, pos);
1595 mono_mb_emit_ldloc (mb, 1);
1596 mono_mb_emit_ldloc (mb, 0);
1597 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1598 mono_mb_emit_icall (mb, conv_to_icall (conv));
1599 mono_mb_emit_byte (mb, CEE_STIND_I);
1602 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1603 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1604 case MONO_MARSHAL_CONV_DEL_FTN:
1605 mono_mb_emit_ldloc (mb, 1);
1606 mono_mb_emit_ldloc (mb, 0);
1607 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1608 mono_mb_emit_icall (mb, conv_to_icall (conv));
1609 mono_mb_emit_byte (mb, CEE_STIND_I);
1611 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1612 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1615 mono_mb_emit_ldloc (mb, 1); /* dst */
1616 mono_mb_emit_ldloc (mb, 0);
1617 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1618 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1619 mono_mb_emit_icall (mb, conv_to_icall (conv));
1622 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1623 MonoClass *eklass = NULL;
1626 if (type->type == MONO_TYPE_SZARRAY) {
1627 eklass = type->data.klass;
1629 g_assert_not_reached ();
1632 if (eklass->valuetype)
1633 esize = mono_class_native_size (eklass, NULL);
1635 esize = sizeof (gpointer);
1637 mono_mb_emit_ldloc (mb, 0);
1638 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1639 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1641 if (eklass->blittable) {
1642 mono_mb_emit_ldloc (mb, 1);
1643 mono_mb_emit_ldloc (mb, 0);
1644 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1645 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1646 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1647 mono_mb_emit_byte (mb, CEE_PREFIX1);
1648 mono_mb_emit_byte (mb, CEE_CPBLK);
1650 int array_var, src_var, dst_var, index_var;
1651 guint32 label2, label3;
1653 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1654 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1655 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1658 mono_mb_emit_ldloc (mb, 0);
1659 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1660 mono_mb_emit_stloc (mb, array_var);
1662 /* save the old src pointer */
1663 mono_mb_emit_ldloc (mb, 0);
1664 mono_mb_emit_stloc (mb, src_var);
1665 /* save the old dst pointer */
1666 mono_mb_emit_ldloc (mb, 1);
1667 mono_mb_emit_stloc (mb, dst_var);
1669 /* Emit marshalling loop */
1670 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1671 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1672 mono_mb_emit_stloc (mb, index_var);
1675 label2 = mono_mb_get_label (mb);
1676 mono_mb_emit_ldloc (mb, index_var);
1677 mono_mb_emit_ldloc (mb, array_var);
1678 mono_mb_emit_byte (mb, CEE_LDLEN);
1679 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1682 mono_mb_emit_ldloc (mb, array_var);
1683 mono_mb_emit_ldloc (mb, index_var);
1684 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1685 mono_mb_emit_stloc (mb, 0);
1687 /* dst is already set */
1689 /* Do the conversion */
1690 emit_struct_conv (mb, eklass, FALSE);
1693 mono_mb_emit_add_to_local (mb, index_var, 1);
1695 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1697 mono_mb_patch_branch (mb, label3);
1699 /* restore the old src pointer */
1700 mono_mb_emit_ldloc (mb, src_var);
1701 mono_mb_emit_stloc (mb, 0);
1702 /* restore the old dst pointer */
1703 mono_mb_emit_ldloc (mb, dst_var);
1704 mono_mb_emit_stloc (mb, 1);
1707 mono_mb_patch_branch (mb, pos);
1710 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1711 mono_mb_emit_ldloc (mb, 0);
1712 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1713 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1715 mono_mb_emit_ldloc (mb, 1);
1716 mono_mb_emit_ldloc (mb, 0);
1717 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1718 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1719 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1720 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1721 mono_mb_patch_short_branch (mb, pos);
1724 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1725 int src_var, dst_var;
1727 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1728 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1730 mono_mb_emit_ldloc (mb, 0);
1731 mono_mb_emit_byte (mb, CEE_LDIND_I);
1732 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1734 /* save the old src pointer */
1735 mono_mb_emit_ldloc (mb, 0);
1736 mono_mb_emit_stloc (mb, src_var);
1737 /* save the old dst pointer */
1738 mono_mb_emit_ldloc (mb, 1);
1739 mono_mb_emit_stloc (mb, dst_var);
1741 /* src = pointer to object data */
1742 mono_mb_emit_ldloc (mb, 0);
1743 mono_mb_emit_byte (mb, CEE_LDIND_I);
1744 mono_mb_emit_icon (mb, sizeof (MonoObject));
1745 mono_mb_emit_byte (mb, CEE_ADD);
1746 mono_mb_emit_stloc (mb, 0);
1748 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1750 /* restore the old src pointer */
1751 mono_mb_emit_ldloc (mb, src_var);
1752 mono_mb_emit_stloc (mb, 0);
1753 /* restore the old dst pointer */
1754 mono_mb_emit_ldloc (mb, dst_var);
1755 mono_mb_emit_stloc (mb, 1);
1757 mono_mb_patch_branch (mb, pos);
1762 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1763 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1764 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1765 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1767 #endif /* DISABLE_COM */
1769 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1770 int dar_release_slot, pos;
1772 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1775 * The following is ifdefed-out, because I have no way of doing the
1776 * DangerousRelease when destroying the structure
1779 /* set release = false */
1780 mono_mb_emit_icon (mb, 0);
1781 mono_mb_emit_stloc (mb, dar_release_slot);
1782 if (!sh_dangerous_add_ref)
1783 init_safe_handle ();
1785 /* safehandle.DangerousAddRef (ref release) */
1786 mono_mb_emit_ldloc (mb, 0); /* the source */
1787 mono_mb_emit_byte (mb, CEE_LDIND_I);
1788 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1789 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1791 mono_mb_emit_ldloc (mb, 0);
1792 mono_mb_emit_byte (mb, CEE_LDIND_I);
1793 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1794 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1795 mono_mb_patch_branch (mb, pos);
1797 /* Pull the handle field from SafeHandle */
1798 mono_mb_emit_ldloc (mb, 1);
1799 mono_mb_emit_ldloc (mb, 0);
1800 mono_mb_emit_byte (mb, CEE_LDIND_I);
1801 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1802 mono_mb_emit_byte (mb, CEE_LDIND_I);
1803 mono_mb_emit_byte (mb, CEE_STIND_I);
1807 case MONO_MARSHAL_CONV_HANDLEREF: {
1808 mono_mb_emit_ldloc (mb, 1);
1809 mono_mb_emit_ldloc (mb, 0);
1810 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1811 mono_mb_emit_byte (mb, CEE_ADD);
1812 mono_mb_emit_byte (mb, CEE_LDIND_I);
1813 mono_mb_emit_byte (mb, CEE_STIND_I);
1818 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1819 MonoException *exc = mono_get_exception_not_implemented (msg);
1820 g_warning ("%s", msg);
1822 mono_raise_exception (exc);
1828 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1829 MonoMarshalNative string_encoding)
1831 MonoMarshalType *info;
1835 emit_struct_conv(mb, klass->parent, to_object);
1837 info = mono_marshal_load_type_info (klass);
1839 if (info->native_size == 0)
1842 if (klass->blittable) {
1843 int msize = mono_class_value_size (klass, NULL);
1844 g_assert (msize == info->native_size);
1845 mono_mb_emit_ldloc (mb, 1);
1846 mono_mb_emit_ldloc (mb, 0);
1847 mono_mb_emit_icon (mb, msize);
1848 mono_mb_emit_byte (mb, CEE_PREFIX1);
1849 mono_mb_emit_byte (mb, CEE_CPBLK);
1851 mono_mb_emit_add_to_local (mb, 0, msize);
1852 mono_mb_emit_add_to_local (mb, 1, msize);
1856 if (klass != mono_defaults.safehandle_class) {
1857 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1858 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1859 mono_type_full_name (&klass->byval_arg));
1860 mono_mb_emit_exception_marshal_directive (mb, msg);
1865 for (i = 0; i < info->num_fields; i++) {
1866 MonoMarshalNative ntype;
1867 MonoMarshalConv conv;
1868 MonoType *ftype = info->fields [i].field->type;
1871 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1873 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1876 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1879 msize = klass->instance_size - info->fields [i].field->offset;
1880 usize = info->native_size - info->fields [i].offset;
1882 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1883 usize = info->fields [i + 1].offset - info->fields [i].offset;
1886 if (klass != mono_defaults.safehandle_class){
1888 * FIXME: Should really check for usize==0 and msize>0, but we apply
1889 * the layout to the managed structure as well.
1892 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1893 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1894 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1895 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1896 "reference field at the same offset as another field.",
1897 mono_type_full_name (&klass->byval_arg));
1902 case MONO_MARSHAL_CONV_NONE: {
1905 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1906 ftype->type == MONO_TYPE_U) {
1907 mono_mb_emit_ldloc (mb, 1);
1908 mono_mb_emit_ldloc (mb, 0);
1909 mono_mb_emit_byte (mb, CEE_LDIND_I);
1910 mono_mb_emit_byte (mb, CEE_STIND_I);
1921 case MONO_TYPE_BOOLEAN:
1924 case MONO_TYPE_CHAR:
1930 mono_mb_emit_ldloc (mb, 1);
1931 mono_mb_emit_ldloc (mb, 0);
1932 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1934 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1935 mono_mb_emit_byte (mb, CEE_STIND_I2);
1937 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1938 mono_mb_emit_byte (mb, CEE_STIND_I1);
1941 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1942 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1945 case MONO_TYPE_VALUETYPE: {
1946 int src_var, dst_var;
1948 if (ftype->data.klass->enumtype) {
1949 ftype = mono_class_enum_basetype (ftype->data.klass);
1953 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1954 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1956 /* save the old src pointer */
1957 mono_mb_emit_ldloc (mb, 0);
1958 mono_mb_emit_stloc (mb, src_var);
1959 /* save the old dst pointer */
1960 mono_mb_emit_ldloc (mb, 1);
1961 mono_mb_emit_stloc (mb, dst_var);
1963 emit_struct_conv (mb, ftype->data.klass, to_object);
1965 /* restore the old src pointer */
1966 mono_mb_emit_ldloc (mb, src_var);
1967 mono_mb_emit_stloc (mb, 0);
1968 /* restore the old dst pointer */
1969 mono_mb_emit_ldloc (mb, dst_var);
1970 mono_mb_emit_stloc (mb, 1);
1973 case MONO_TYPE_OBJECT: {
1975 mono_init_com_types ();
1977 static MonoMethod *variant_clear = NULL;
1978 static MonoMethod *get_object_for_native_variant = NULL;
1981 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1982 if (!get_object_for_native_variant)
1983 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1984 mono_mb_emit_ldloc (mb, 1);
1985 mono_mb_emit_ldloc (mb, 0);
1986 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1987 mono_mb_emit_byte (mb, CEE_STIND_REF);
1989 mono_mb_emit_ldloc (mb, 0);
1990 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1993 static MonoMethod *get_native_variant_for_object = NULL;
1995 if (!get_native_variant_for_object)
1996 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1998 mono_mb_emit_ldloc (mb, 0);
1999 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2000 mono_mb_emit_ldloc (mb, 1);
2001 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2004 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2005 mono_mb_emit_exception_marshal_directive (mb, msg);
2011 g_warning ("marshaling type %02x not implemented", ftype->type);
2012 g_assert_not_reached ();
2017 int src_var, dst_var;
2019 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2020 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2022 /* save the old src pointer */
2023 mono_mb_emit_ldloc (mb, 0);
2024 mono_mb_emit_stloc (mb, src_var);
2025 /* save the old dst pointer */
2026 mono_mb_emit_ldloc (mb, 1);
2027 mono_mb_emit_stloc (mb, dst_var);
2030 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2032 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2034 /* restore the old src pointer */
2035 mono_mb_emit_ldloc (mb, src_var);
2036 mono_mb_emit_stloc (mb, 0);
2037 /* restore the old dst pointer */
2038 mono_mb_emit_ldloc (mb, dst_var);
2039 mono_mb_emit_stloc (mb, 1);
2044 mono_mb_emit_add_to_local (mb, 0, usize);
2045 mono_mb_emit_add_to_local (mb, 1, msize);
2047 mono_mb_emit_add_to_local (mb, 0, msize);
2048 mono_mb_emit_add_to_local (mb, 1, usize);
2054 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2056 emit_struct_conv_full (mb, klass, to_object, -1);
2060 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2062 /* Call DestroyStructure */
2063 /* FIXME: Only do this if needed */
2064 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2065 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2066 mono_mb_emit_ldloc (mb, struct_var);
2067 mono_mb_emit_icall (mb, mono_struct_delete_old);
2071 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2075 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2076 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2077 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2079 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2080 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2082 mono_mb_emit_icall (mb, checkpoint_func);
2084 mono_mb_patch_branch (mb, pos_noabort);
2088 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2090 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2093 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2097 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2099 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2103 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2105 emit_thread_interrupt_checkpoint (mb);
2108 #endif /* DISABLE_JIT */
2110 static MonoAsyncResult *
2111 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2113 MonoMethodMessage *msg;
2114 MonoDelegate *async_callback;
2115 MonoMulticastDelegate *mcast_delegate;
2119 MonoMethod *method = NULL, *method2 = NULL;
2121 g_assert (delegate);
2122 mcast_delegate = (MonoMulticastDelegate *) delegate;
2123 if (mcast_delegate->prev != NULL)
2124 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2126 #ifndef DISABLE_REMOTING
2127 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2129 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2130 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2132 /* If the target is a proxy, make a direct call. Is proxy's work
2133 // to make the call asynchronous.
2135 MonoAsyncResult *ares;
2137 MonoArray *out_args;
2138 method = delegate->method;
2140 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2141 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2142 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2143 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2144 MONO_OBJECT_SETREF (msg, async_result, ares);
2145 msg->call_type = CallType_BeginInvoke;
2148 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2150 mono_raise_exception ((MonoException *) exc);
2156 klass = delegate->object.vtable->klass;
2158 method = mono_get_delegate_invoke (klass);
2159 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2162 g_assert (method != NULL);
2164 im = mono_get_delegate_invoke (method->klass);
2165 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2167 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2173 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2175 int i, params_var, tmp_var;
2177 /* allocate local (pointer) *params[] */
2178 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2179 /* allocate local (pointer) tmp */
2180 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2182 /* alloate space on stack to store an array of pointers to the arguments */
2183 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2184 mono_mb_emit_byte (mb, CEE_PREFIX1);
2185 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2186 mono_mb_emit_stloc (mb, params_var);
2189 mono_mb_emit_ldloc (mb, params_var);
2190 mono_mb_emit_stloc (mb, tmp_var);
2192 if (save_this && sig->hasthis) {
2193 mono_mb_emit_ldloc (mb, tmp_var);
2194 mono_mb_emit_ldarg_addr (mb, 0);
2195 mono_mb_emit_byte (mb, CEE_STIND_I);
2196 /* tmp = tmp + sizeof (gpointer) */
2197 if (sig->param_count)
2198 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2202 for (i = 0; i < sig->param_count; i++) {
2203 mono_mb_emit_ldloc (mb, tmp_var);
2204 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2205 mono_mb_emit_byte (mb, CEE_STIND_I);
2206 /* tmp = tmp + sizeof (gpointer) */
2207 if (i < (sig->param_count - 1))
2208 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2214 #endif /* DISABLE_JIT */
2217 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2221 GString *res = g_string_new ("");
2224 g_string_append (res, prefix);
2225 g_string_append_c (res, '_');
2228 mono_type_get_desc (res, sig->ret, FALSE);
2231 g_string_append (res, "__this__");
2233 for (i = 0; i < sig->param_count; ++i) {
2234 g_string_append_c (res, '_');
2235 mono_type_get_desc (res, sig->params [i], FALSE);
2238 g_string_free (res, FALSE);
2243 * mono_marshal_get_string_encoding:
2245 * Return the string encoding which should be used for a given parameter.
2247 static MonoMarshalNative
2248 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2250 /* First try the parameter marshal info */
2252 if (spec->native == MONO_NATIVE_LPARRAY) {
2253 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2254 return spec->data.array_data.elem_type;
2257 return spec->native;
2261 return MONO_NATIVE_LPSTR;
2263 /* Then try the method level marshal info */
2264 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2265 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2266 return MONO_NATIVE_LPSTR;
2267 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2268 return MONO_NATIVE_LPWSTR;
2269 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2271 return MONO_NATIVE_LPWSTR;
2273 return MONO_NATIVE_LPSTR;
2276 return MONO_NATIVE_LPSTR;
2280 static MonoMarshalConv
2281 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2283 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2286 case MONO_NATIVE_LPWSTR:
2287 return MONO_MARSHAL_CONV_STR_LPWSTR;
2288 case MONO_NATIVE_LPSTR:
2289 case MONO_NATIVE_VBBYREFSTR:
2290 return MONO_MARSHAL_CONV_STR_LPSTR;
2291 case MONO_NATIVE_LPTSTR:
2292 return MONO_MARSHAL_CONV_STR_LPTSTR;
2293 case MONO_NATIVE_BSTR:
2294 return MONO_MARSHAL_CONV_STR_BSTR;
2300 static MonoMarshalConv
2301 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2303 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2306 case MONO_NATIVE_LPWSTR:
2307 return MONO_MARSHAL_CONV_SB_LPWSTR;
2309 case MONO_NATIVE_LPSTR:
2310 return MONO_MARSHAL_CONV_SB_LPSTR;
2312 case MONO_NATIVE_LPTSTR:
2313 return MONO_MARSHAL_CONV_SB_LPTSTR;
2320 static MonoMarshalConv
2321 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2323 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2328 case MONO_NATIVE_LPWSTR:
2330 return MONO_MARSHAL_CONV_LPWSTR_STR;
2331 case MONO_NATIVE_LPSTR:
2332 case MONO_NATIVE_VBBYREFSTR:
2333 return MONO_MARSHAL_CONV_LPSTR_STR;
2334 case MONO_NATIVE_LPTSTR:
2335 return MONO_MARSHAL_CONV_LPTSTR_STR;
2336 case MONO_NATIVE_BSTR:
2337 return MONO_MARSHAL_CONV_BSTR_STR;
2343 static MonoMarshalConv
2344 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2346 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2351 case MONO_NATIVE_LPWSTR:
2353 * mono_string_builder_to_utf16 does not allocate a
2354 * new buffer, so no need to free it.
2357 return MONO_MARSHAL_CONV_LPWSTR_SB;
2358 case MONO_NATIVE_LPSTR:
2359 return MONO_MARSHAL_CONV_LPSTR_SB;
2361 case MONO_NATIVE_LPTSTR:
2362 return MONO_MARSHAL_CONV_LPTSTR_SB;
2370 * Return whenever a field of a native structure or an array member needs to
2374 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2376 MonoMarshalNative encoding;
2377 MonoMarshalConv conv;
2380 case MONO_TYPE_VALUETYPE:
2381 /* FIXME: Optimize this */
2383 case MONO_TYPE_OBJECT:
2384 case MONO_TYPE_CLASS:
2385 if (t->data.klass == mono_defaults.stringbuilder_class) {
2387 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2391 case MONO_TYPE_STRING:
2392 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2393 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2400 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2403 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2406 mono_marshal_lock ();
2409 g_hash_table_new (hash_func, equal_func);
2410 mono_memory_barrier ();
2413 mono_marshal_unlock ();
2419 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2422 mono_marshal_lock ();
2425 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2426 mono_memory_barrier ();
2429 mono_marshal_unlock ();
2435 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2437 return get_cache (var, hash_func, equal_func);
2441 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2445 mono_marshal_lock ();
2446 res = g_hash_table_lookup (cache, key);
2447 mono_marshal_unlock ();
2451 /* Create the method from the builder and place it in the cache */
2453 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2454 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2459 mono_marshal_lock ();
2460 res = g_hash_table_lookup (cache, key);
2461 mono_marshal_unlock ();
2464 newm = mono_mb_create_method (mb, sig, max_stack);
2465 mono_marshal_lock ();
2466 res = g_hash_table_lookup (cache, key);
2469 g_hash_table_insert (cache, key, res);
2470 mono_marshal_set_wrapper_info (res, key);
2471 mono_marshal_unlock ();
2473 mono_marshal_unlock ();
2474 mono_free_method (newm);
2482 static inline MonoMethod*
2483 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2485 MonoMethod *res = NULL;
2486 MonoRemotingMethods *wrps;
2488 mono_marshal_lock ();
2489 if (method->klass->image->remoting_invoke_cache)
2490 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2495 switch (wrapper_type) {
2496 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2497 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2498 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2499 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2503 /* it is important to do the unlock after the load from wrps, since in
2504 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2505 * to take the loader lock and some other thread may set the fields.
2507 mono_marshal_unlock ();
2511 /* Create the method from the builder and place it in the cache */
2512 static inline MonoMethod*
2513 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2514 MonoMethodSignature *sig, int max_stack)
2516 MonoMethod **res = NULL;
2517 MonoRemotingMethods *wrps;
2518 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2520 mono_marshal_lock ();
2521 wrps = g_hash_table_lookup (cache, key);
2523 wrps = g_new0 (MonoRemotingMethods, 1);
2524 g_hash_table_insert (cache, key, wrps);
2527 switch (mb->method->wrapper_type) {
2528 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2529 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2530 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2531 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2532 default: g_assert_not_reached (); break;
2534 mono_marshal_unlock ();
2538 newm = mono_mb_create_method (mb, sig, max_stack);
2540 mono_marshal_lock ();
2543 mono_marshal_set_wrapper_info (*res, key);
2544 mono_marshal_unlock ();
2546 mono_marshal_unlock ();
2547 mono_free_method (newm);
2555 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2558 int wrapper_type = wrapper->wrapper_type;
2561 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2564 switch (wrapper_type) {
2565 case MONO_WRAPPER_REMOTING_INVOKE:
2566 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2567 case MONO_WRAPPER_XDOMAIN_INVOKE:
2568 case MONO_WRAPPER_SYNCHRONIZED:
2569 case MONO_WRAPPER_UNBOX:
2570 res = mono_marshal_get_wrapper_info (wrapper);
2574 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2575 info = mono_marshal_get_wrapper_info (wrapper);
2576 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2577 return info->d.managed_to_native.method;
2580 case MONO_WRAPPER_RUNTIME_INVOKE:
2581 info = mono_marshal_get_wrapper_info (wrapper);
2582 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2583 return info->d.runtime_invoke.method;
2592 * mono_marshal_get_wrapper_info:
2594 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2595 * returned depends on the wrapper type. It is usually a method, a class, or a
2596 * WrapperInfo structure.
2599 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2601 g_assert (wrapper->wrapper_type);
2603 return mono_method_get_wrapper_data (wrapper, 1);
2607 * mono_marshal_set_wrapper_info:
2609 * Store an arbitrary pointer inside the wrapper which is retrievable by
2610 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2611 * wrapper (method->wrapper_type).
2614 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2618 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2621 datav = ((MonoMethodWrapper *)method)->method_data;
2626 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2630 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2631 info->subtype = subtype;
2636 * get_wrapper_target_class:
2638 * Return the class where a wrapper method should be placed.
2641 get_wrapper_target_class (MonoImage *image)
2647 * - can't put all wrappers into an mscorlib class, because they reference
2648 * metadata (signature) so they should be put into the same image as the
2649 * method they wrap, so they are unloaded together.
2650 * - putting them into a class with a type initalizer could cause the
2651 * initializer to be executed which can be a problem if the wrappers are
2653 * - putting them into an inflated class can cause problems if the the
2654 * class is deleted because it references an image which is unloaded.
2655 * To avoid these problems, we put the wrappers into the <Module> class of
2659 klass = ((MonoDynamicImage*)image)->wrappers_type;
2661 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2668 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2671 MonoMethod *inst, *def;
2674 * Look for the instance
2676 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2681 * Look for the definition
2683 def = mono_marshal_find_in_cache (cache, def_method->klass);
2685 inst = mono_class_inflate_generic_method (def, ctx);
2687 mono_memory_barrier ();
2688 mono_marshal_lock ();
2689 res = g_hash_table_lookup (cache, orig_method->klass);
2691 g_hash_table_insert (cache, orig_method->klass, inst);
2694 mono_marshal_unlock ();
2701 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2703 MonoMethod *inst, *res;
2706 * We use the same cache for the generic definition and the instances.
2708 inst = mono_class_inflate_generic_method (def, ctx);
2709 mono_memory_barrier ();
2710 mono_marshal_lock ();
2711 res = g_hash_table_lookup (cache, orig_method->klass);
2713 g_hash_table_insert (cache, orig_method->klass, inst);
2716 mono_marshal_unlock ();
2721 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2723 MonoMethodSignature *sig;
2724 MonoMethodBuilder *mb;
2729 MonoGenericContext *ctx = NULL;
2730 MonoMethod *orig_method = NULL;
2732 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2733 !strcmp (method->name, "BeginInvoke"));
2736 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2738 if (method->is_inflated) {
2739 orig_method = method;
2740 ctx = &((MonoMethodInflated*)method)->context;
2741 method = ((MonoMethodInflated*)method)->declaring;
2744 sig = mono_signature_no_pinvoke (method);
2750 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2751 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2755 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2756 (GHashFunc)mono_signature_hash,
2757 (GCompareFunc)mono_metadata_signature_equal);
2758 if ((res = mono_marshal_find_in_cache (cache, sig)))
2762 g_assert (sig->hasthis);
2764 name = mono_signature_to_name (sig, "begin_invoke");
2766 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2768 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2772 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2774 mono_mb_emit_ldarg (mb, 0);
2775 mono_mb_emit_ldloc (mb, params_var);
2776 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2777 mono_mb_emit_byte (mb, CEE_RET);
2782 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2783 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2785 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2793 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2795 MonoDomain *domain = mono_domain_get ();
2796 MonoAsyncResult *ares;
2797 MonoMethod *method = NULL;
2798 MonoMethodSignature *sig;
2799 MonoMethodMessage *msg;
2800 MonoObject *res, *exc;
2801 MonoArray *out_args;
2804 g_assert (delegate);
2806 if (!delegate->method_info) {
2807 g_assert (delegate->method);
2808 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2811 if (!delegate->method_info || !delegate->method_info->method)
2812 g_assert_not_reached ();
2814 klass = delegate->object.vtable->klass;
2816 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2817 g_assert (method != NULL);
2819 sig = mono_signature_no_pinvoke (method);
2821 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2823 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2825 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."));
2829 if (ares->async_delegate != (MonoObject*)delegate) {
2830 mono_raise_exception (mono_get_exception_invalid_operation (
2831 "The IAsyncResult object provided does not match this delegate."));
2835 #ifndef DISABLE_REMOTING
2836 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2837 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2838 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2839 mono_message_init (domain, msg, delegate->method_info, NULL);
2840 msg->call_type = CallType_EndInvoke;
2841 MONO_OBJECT_SETREF (msg, async_result, ares);
2842 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2846 res = mono_thread_pool_finish (ares, &out_args, &exc);
2850 if (((MonoException*)exc)->stack_trace) {
2851 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2853 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2855 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2858 mono_raise_exception ((MonoException*)exc);
2861 mono_method_return_message_restore (method, params, out_args);
2868 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2870 MonoType *t = mono_type_get_underlying_type (return_type);
2872 if (return_type->byref)
2873 return_type = &mono_defaults.int_class->byval_arg;
2876 case MONO_TYPE_VOID:
2877 g_assert_not_reached ();
2880 case MONO_TYPE_STRING:
2881 case MONO_TYPE_CLASS:
2882 case MONO_TYPE_OBJECT:
2883 case MONO_TYPE_ARRAY:
2884 case MONO_TYPE_SZARRAY:
2888 case MONO_TYPE_BOOLEAN:
2891 case MONO_TYPE_CHAR:
2901 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2902 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2904 case MONO_TYPE_GENERICINST:
2905 if (!mono_type_generic_inst_is_valuetype (t))
2908 case MONO_TYPE_VALUETYPE: {
2909 MonoClass *klass = mono_class_from_mono_type (return_type);
2910 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2911 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2915 case MONO_TYPE_MVAR: {
2916 MonoClass *klass = mono_class_from_mono_type (return_type);
2917 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
2921 g_warning ("type 0x%x not handled", return_type->type);
2922 g_assert_not_reached ();
2925 mono_mb_emit_byte (mb, CEE_RET);
2928 #endif /* DISABLE_JIT */
2931 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2933 MonoMethodSignature *sig;
2934 MonoMethodBuilder *mb;
2939 MonoGenericContext *ctx = NULL;
2940 MonoMethod *orig_method = NULL;
2942 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2943 !strcmp (method->name, "EndInvoke"));
2946 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2948 if (method->is_inflated) {
2949 orig_method = method;
2950 ctx = &((MonoMethodInflated*)method)->context;
2951 method = ((MonoMethodInflated*)method)->declaring;
2954 sig = mono_signature_no_pinvoke (method);
2960 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2961 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2965 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2966 (GHashFunc)mono_signature_hash,
2967 (GCompareFunc)mono_metadata_signature_equal);
2968 if ((res = mono_marshal_find_in_cache (cache, sig)))
2972 g_assert (sig->hasthis);
2974 name = mono_signature_to_name (sig, "end_invoke");
2976 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2978 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2982 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2984 mono_mb_emit_ldarg (mb, 0);
2985 mono_mb_emit_ldloc (mb, params_var);
2986 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2988 if (sig->ret->type == MONO_TYPE_VOID) {
2989 mono_mb_emit_byte (mb, CEE_POP);
2990 mono_mb_emit_byte (mb, CEE_RET);
2992 mono_mb_emit_restore_result (mb, sig->ret);
2997 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2998 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3000 res = mono_mb_create_and_cache (cache, sig,
3001 mb, sig, sig->param_count + 16);
3008 #ifndef DISABLE_REMOTING
3011 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3013 MonoMethodMessage *msg;
3014 MonoTransparentProxy *this;
3015 MonoObject *res, *exc;
3016 MonoArray *out_args;
3018 this = *((MonoTransparentProxy **)params [0]);
3021 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3023 /* skip the this pointer */
3026 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3029 MonoMethodSignature *sig = mono_method_signature (method);
3030 int count = sig->param_count;
3031 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3033 for (i=0; i<count; i++) {
3034 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3035 if (class->valuetype) {
3036 if (sig->params [i]->byref) {
3037 mparams[i] = *((gpointer *)params [i]);
3039 /* runtime_invoke expects a boxed instance */
3040 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3041 mparams[i] = mono_nullable_box (params [i], class);
3043 mparams[i] = params [i];
3046 mparams[i] = *((gpointer**)params [i]);
3050 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3053 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3055 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3058 mono_raise_exception ((MonoException *)exc);
3060 mono_method_return_message_restore (method, params, out_args);
3066 mono_marshal_get_remoting_invoke (MonoMethod *method)
3068 MonoMethodSignature *sig;
3069 MonoMethodBuilder *mb;
3075 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3078 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3080 if (mono_class_is_com_object (method->klass) || method->klass == mono_defaults.com_object_class) {
3081 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3082 g_assert (vtable); /*FIXME do proper error handling*/
3084 if (!mono_vtable_is_remote (vtable)) {
3085 return mono_cominterop_get_invoke (method);
3090 sig = mono_signature_no_pinvoke (method);
3092 /* we cant remote methods without this pointer */
3096 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3099 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3102 mb->method->save_lmf = 1;
3104 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3106 mono_mb_emit_ptr (mb, method);
3107 mono_mb_emit_ldloc (mb, params_var);
3108 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3109 emit_thread_interrupt_checkpoint (mb);
3111 if (sig->ret->type == MONO_TYPE_VOID) {
3112 mono_mb_emit_byte (mb, CEE_POP);
3113 mono_mb_emit_byte (mb, CEE_RET);
3115 mono_mb_emit_restore_result (mb, sig->ret);
3119 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3125 #endif /* DISABLE_REMOTING */
3128 /* mono_get_xdomain_marshal_type()
3129 * Returns the kind of marshalling that a type needs for cross domain calls.
3131 static MonoXDomainMarshalType
3132 mono_get_xdomain_marshal_type (MonoType *t)
3135 case MONO_TYPE_VOID:
3136 g_assert_not_reached ();
3140 case MONO_TYPE_BOOLEAN:
3143 case MONO_TYPE_CHAR:
3150 return MONO_MARSHAL_NONE;
3151 case MONO_TYPE_STRING:
3152 return MONO_MARSHAL_COPY;
3153 case MONO_TYPE_ARRAY:
3154 case MONO_TYPE_SZARRAY: {
3155 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3156 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3157 return MONO_MARSHAL_COPY;
3162 return MONO_MARSHAL_SERIALIZE;
3166 /* mono_marshal_xdomain_copy_value
3167 * Makes a copy of "val" suitable for the current domain.
3170 mono_marshal_xdomain_copy_value (MonoObject *val)
3173 if (val == NULL) return NULL;
3175 domain = mono_domain_get ();
3177 switch (mono_object_class (val)->byval_arg.type) {
3178 case MONO_TYPE_VOID:
3179 g_assert_not_reached ();
3183 case MONO_TYPE_BOOLEAN:
3186 case MONO_TYPE_CHAR:
3192 case MONO_TYPE_R8: {
3193 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3195 case MONO_TYPE_STRING: {
3196 MonoString *str = (MonoString *) val;
3197 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3199 case MONO_TYPE_ARRAY:
3200 case MONO_TYPE_SZARRAY: {
3202 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3203 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3204 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3205 if (mt == MONO_MARSHAL_COPY) {
3206 int i, len = mono_array_length (acopy);
3207 for (i = 0; i < len; i++) {
3208 MonoObject *item = mono_array_get (acopy, gpointer, i);
3209 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3212 return (MonoObject *) acopy;
3216 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3217 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3218 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3219 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3220 newsb->length = oldsb->length;
3221 newsb->max_capacity = (gint32)0x7fffffff;
3222 return (MonoObject *) newsb;
3227 /* mono_marshal_xdomain_copy_out_value()
3228 * Copies the contents of the src instance into the dst instance. src and dst
3229 * must have the same type, and if they are arrays, the same size.
3232 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3234 if (src == NULL || dst == NULL) return;
3236 g_assert (mono_object_class (src) == mono_object_class (dst));
3238 switch (mono_object_class (src)->byval_arg.type) {
3239 case MONO_TYPE_ARRAY:
3240 case MONO_TYPE_SZARRAY: {
3241 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3242 if (mt == MONO_MARSHAL_SERIALIZE) return;
3243 if (mt == MONO_MARSHAL_COPY) {
3244 int i, len = mono_array_length ((MonoArray *)dst);
3245 for (i = 0; i < len; i++) {
3246 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3247 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3250 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3256 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3257 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3258 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3260 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)));
3261 dst_sb->cached_str = NULL;
3262 dst_sb->length = src_sb->length;
3267 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3270 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3272 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3273 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3277 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3279 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3283 #ifndef DISABLE_REMOTING
3284 /* mono_marshal_supports_fast_xdomain()
3285 * Returns TRUE if the method can use the fast xdomain wrapper.
3288 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3290 return !mono_class_is_contextbound (method->klass) &&
3291 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3296 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3298 MonoDomain *current_domain = mono_domain_get ();
3299 MonoDomain *domain = mono_domain_get_by_id (id);
3301 if (!domain || !mono_domain_set (domain, FALSE))
3302 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3305 mono_thread_push_appdomain_ref (domain);
3307 mono_thread_pop_appdomain_ref ();
3309 return current_domain->domain_id;
3312 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3314 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3316 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3319 /* mono_marshal_emit_load_domain_method ()
3320 * Loads into the stack a pointer to the code of the provided method for
3321 * the current domain.
3324 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3326 /* We need a pointer to the method for the running domain (not the domain
3327 * that compiles the method).
3329 mono_mb_emit_ptr (mb, method);
3330 mono_mb_emit_icall (mb, mono_compile_method);
3334 /* mono_marshal_check_domain_image ()
3335 * Returns TRUE if the image is loaded in the specified
3336 * application domain.
3339 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3344 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3348 mono_domain_assemblies_lock (domain);
3349 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3351 if (ass->image == image)
3354 mono_domain_assemblies_unlock (domain);
3359 #ifndef DISABLE_REMOTING
3361 /* mono_marshal_get_xappdomain_dispatch ()
3362 * Generates a method that dispatches a method call from another domain into
3363 * the current domain.
3366 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3368 MonoMethodSignature *sig, *csig;
3369 MonoMethodBuilder *mb;
3371 int i, j, param_index, copy_locals_base;
3372 MonoClass *ret_class = NULL;
3373 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3374 MonoExceptionClause *main_clause;
3376 gboolean copy_return;
3378 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3381 sig = mono_method_signature (method);
3382 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3385 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3386 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3387 csig->params [j++] = &byte_array_class->this_arg;
3388 csig->params [j++] = &byte_array_class->this_arg;
3389 for (i = 0; i < sig->param_count; i++) {
3390 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3391 csig->params [j++] = sig->params [i];
3394 csig->ret = sig->ret;
3396 csig->ret = &mono_defaults.void_class->byval_arg;
3398 csig->hasthis = FALSE;
3400 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3401 mb->method->save_lmf = 1;
3406 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3407 if (complex_count > 0)
3408 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3409 if (sig->ret->type != MONO_TYPE_VOID) {
3410 loc_return = mono_mb_add_local (mb, sig->ret);
3411 ret_class = mono_class_from_mono_type (sig->ret);
3416 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3417 main_clause->try_offset = mono_mb_get_label (mb);
3419 /* Clean the call context */
3421 mono_mb_emit_byte (mb, CEE_LDNULL);
3422 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3423 mono_mb_emit_byte (mb, CEE_POP);
3425 /* Deserialize call data */
3427 mono_mb_emit_ldarg (mb, 1);
3428 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3429 mono_mb_emit_byte (mb, CEE_DUP);
3430 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3432 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3433 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3435 if (complex_count > 0)
3436 mono_mb_emit_stloc (mb, loc_array);
3438 mono_mb_emit_byte (mb, CEE_POP);
3440 mono_mb_patch_short_branch (mb, pos);
3442 /* Get the target object */
3444 mono_mb_emit_ldarg (mb, 0);
3445 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3447 /* Load the arguments */
3449 copy_locals_base = mb->locals;
3450 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3452 for (i = 0; i < sig->param_count; i++) {
3453 MonoType *pt = sig->params [i];
3454 MonoClass *pclass = mono_class_from_mono_type (pt);
3455 switch (marshal_types [i]) {
3456 case MONO_MARSHAL_SERIALIZE: {
3457 /* take the value from the serialized array */
3458 mono_mb_emit_ldloc (mb, loc_array);
3459 mono_mb_emit_icon (mb, j++);
3461 if (pclass->valuetype) {
3462 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3463 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3465 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3468 if (pclass->valuetype) {
3469 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3470 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3471 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3473 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3474 if (pclass != mono_defaults.object_class) {
3475 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3481 case MONO_MARSHAL_COPY_OUT: {
3482 /* Keep a local copy of the value since we need to copy it back after the call */
3483 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3484 mono_mb_emit_ldarg (mb, param_index++);
3485 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3486 mono_mb_emit_byte (mb, CEE_DUP);
3487 mono_mb_emit_stloc (mb, copy_local);
3490 case MONO_MARSHAL_COPY: {
3491 mono_mb_emit_ldarg (mb, param_index);
3493 mono_mb_emit_byte (mb, CEE_DUP);
3494 mono_mb_emit_byte (mb, CEE_DUP);
3495 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3496 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3497 mono_mb_emit_byte (mb, CEE_STIND_REF);
3499 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3504 case MONO_MARSHAL_NONE:
3505 mono_mb_emit_ldarg (mb, param_index++);
3510 /* Make the call to the real object */
3512 emit_thread_force_interrupt_checkpoint (mb);
3514 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3516 if (sig->ret->type != MONO_TYPE_VOID)
3517 mono_mb_emit_stloc (mb, loc_return);
3519 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3523 for (i = 0; i < sig->param_count; i++) {
3524 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3525 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3526 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3527 mono_mb_emit_ldarg (mb, param_index);
3528 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3533 /* Serialize the return values */
3535 if (complex_out_count > 0) {
3536 /* Reset parameters in the array that don't need to be serialized back */
3538 for (i = 0; i < sig->param_count; i++) {
3539 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3540 if (!sig->params [i]->byref) {
3541 mono_mb_emit_ldloc (mb, loc_array);
3542 mono_mb_emit_icon (mb, j);
3543 mono_mb_emit_byte (mb, CEE_LDNULL);
3544 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3549 /* Add the return value to the array */
3551 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3552 mono_mb_emit_ldloc (mb, loc_array);
3553 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3554 mono_mb_emit_ldloc (mb, loc_return);
3556 g_assert (ret_class); /*FIXME properly fail here*/
3557 if (ret_class->valuetype) {
3558 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3560 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3565 mono_mb_emit_ldarg (mb, 1);
3566 mono_mb_emit_ldloc (mb, loc_array);
3567 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3568 mono_mb_emit_byte (mb, CEE_STIND_REF);
3569 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3570 mono_mb_emit_ldarg (mb, 1);
3571 mono_mb_emit_ldloc (mb, loc_return);
3572 if (ret_class->valuetype) {
3573 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3575 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3576 mono_mb_emit_byte (mb, CEE_STIND_REF);
3578 mono_mb_emit_ldarg (mb, 1);
3579 mono_mb_emit_byte (mb, CEE_LDNULL);
3580 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3581 mono_mb_emit_byte (mb, CEE_STIND_REF);
3584 mono_mb_emit_ldarg (mb, 2);
3585 mono_mb_emit_byte (mb, CEE_LDNULL);
3586 mono_mb_emit_byte (mb, CEE_STIND_REF);
3587 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3589 /* Main exception catch */
3590 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3591 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3592 main_clause->data.catch_class = mono_defaults.object_class;
3595 main_clause->handler_offset = mono_mb_get_label (mb);
3596 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3597 mono_mb_emit_stloc (mb, loc_serialized_exc);
3598 mono_mb_emit_ldarg (mb, 2);
3599 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3600 mono_mb_emit_byte (mb, CEE_STIND_REF);
3601 mono_mb_emit_branch (mb, CEE_LEAVE);
3602 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3605 mono_mb_patch_branch (mb, pos_leave);
3608 mono_mb_emit_ldloc (mb, loc_return);
3610 mono_mb_emit_byte (mb, CEE_RET);
3612 mono_mb_set_clauses (mb, 1, main_clause);
3615 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3621 /* mono_marshal_get_xappdomain_invoke ()
3622 * Generates a fast remoting wrapper for cross app domain calls.
3625 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3627 MonoMethodSignature *sig;
3628 MonoMethodBuilder *mb;
3630 int i, j, complex_count, complex_out_count, copy_locals_base;
3632 MonoClass *ret_class = NULL;
3633 MonoMethod *xdomain_method;
3634 int ret_marshal_type = MONO_MARSHAL_NONE;
3635 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3636 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3637 int pos, pos_dispatch, pos_noex;
3638 gboolean copy_return = FALSE;
3642 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3645 /* we cant remote methods without this pointer */
3646 if (!mono_method_signature (method)->hasthis)
3649 if (!mono_marshal_supports_fast_xdomain (method))
3650 return mono_marshal_get_remoting_invoke (method);
3652 mono_remoting_marshal_init ();
3654 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3657 sig = mono_signature_no_pinvoke (method);
3659 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3660 mb->method->save_lmf = 1;
3662 /* Count the number of parameters that need to be serialized */
3664 marshal_types = alloca (sizeof (int) * sig->param_count);
3665 complex_count = complex_out_count = 0;
3666 for (i = 0; i < sig->param_count; i++) {
3667 MonoType *ptype = sig->params[i];
3668 int mt = mono_get_xdomain_marshal_type (ptype);
3670 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3671 * the copy will be made by reusing the original object instance
3673 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3674 mt = MONO_MARSHAL_COPY_OUT;
3675 else if (mt == MONO_MARSHAL_SERIALIZE) {
3677 if (ptype->byref) complex_out_count++;
3679 marshal_types [i] = mt;
3682 if (sig->ret->type != MONO_TYPE_VOID) {
3683 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3684 ret_class = mono_class_from_mono_type (sig->ret);
3685 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3691 if (complex_count > 0)
3692 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3693 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3694 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3696 loc_return = mono_mb_add_local (mb, sig->ret);
3697 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3698 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3699 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3700 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3702 /* Save thread domain data */
3704 mono_mb_emit_icall (mb, mono_context_get);
3705 mono_mb_emit_byte (mb, CEE_DUP);
3706 mono_mb_emit_stloc (mb, loc_context);
3708 /* If the thread is not running in the default context, it needs to go
3709 * through the whole remoting sink, since the context is going to change
3711 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3712 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3714 /* Another case in which the fast path can't be used: when the target domain
3715 * has a different image for the same assembly.
3718 /* Get the target domain id */
3720 mono_mb_emit_ldarg (mb, 0);
3721 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3722 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3723 mono_mb_emit_byte (mb, CEE_DUP);
3724 mono_mb_emit_stloc (mb, loc_real_proxy);
3726 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3727 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3728 mono_mb_emit_stloc (mb, loc_domainid);
3730 /* Check if the target domain has the same image for the required assembly */
3732 mono_mb_emit_ldloc (mb, loc_domainid);
3733 mono_mb_emit_ptr (mb, method->klass->image);
3734 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3735 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3737 /* Use the whole remoting sink to dispatch this message */
3739 mono_mb_patch_short_branch (mb, pos);
3741 mono_mb_emit_ldarg (mb, 0);
3742 for (i = 0; i < sig->param_count; i++)
3743 mono_mb_emit_ldarg (mb, i + 1);
3745 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3746 mono_mb_emit_byte (mb, CEE_RET);
3747 mono_mb_patch_short_branch (mb, pos_dispatch);
3749 /* Create the array that will hold the parameters to be serialized */
3751 if (complex_count > 0) {
3752 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 */
3753 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3756 for (i = 0; i < sig->param_count; i++) {
3758 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3759 pclass = mono_class_from_mono_type (sig->params[i]);
3760 mono_mb_emit_byte (mb, CEE_DUP);
3761 mono_mb_emit_icon (mb, j);
3762 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3763 if (sig->params[i]->byref) {
3764 if (pclass->valuetype)
3765 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3767 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3769 if (pclass->valuetype)
3770 mono_mb_emit_op (mb, CEE_BOX, pclass);
3771 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3774 mono_mb_emit_stloc (mb, loc_array);
3776 /* Serialize parameters */
3778 mono_mb_emit_ldloc (mb, loc_array);
3779 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3780 mono_mb_emit_stloc (mb, loc_serialized_data);
3782 mono_mb_emit_byte (mb, CEE_LDNULL);
3783 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3784 mono_mb_emit_stloc (mb, loc_serialized_data);
3789 mono_mb_emit_ldloc (mb, loc_domainid);
3790 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3791 mono_marshal_emit_switch_domain (mb);
3792 mono_mb_emit_stloc (mb, loc_old_domainid);
3794 /* Load the arguments */
3796 mono_mb_emit_ldloc (mb, loc_real_proxy);
3797 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3798 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3800 copy_locals_base = mb->locals;
3801 for (i = 0; i < sig->param_count; i++) {
3802 switch (marshal_types [i]) {
3803 case MONO_MARSHAL_SERIALIZE:
3805 case MONO_MARSHAL_COPY: {
3806 mono_mb_emit_ldarg (mb, i+1);
3807 if (sig->params [i]->byref) {
3808 /* make a local copy of the byref parameter. The real parameter
3809 * will be updated after the xdomain call
3811 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3812 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3813 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3814 mono_mb_emit_stloc (mb, copy_local);
3815 mono_mb_emit_ldloc_addr (mb, copy_local);
3819 case MONO_MARSHAL_COPY_OUT:
3820 case MONO_MARSHAL_NONE:
3821 mono_mb_emit_ldarg (mb, i+1);
3826 /* Make the call to the invoke wrapper in the target domain */
3828 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3829 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3830 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3833 mono_mb_emit_stloc (mb, loc_return);
3837 mono_mb_emit_ldloc (mb, loc_old_domainid);
3838 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3839 mono_marshal_emit_switch_domain (mb);
3840 mono_mb_emit_byte (mb, CEE_POP);
3842 /* Restore thread domain data */
3844 mono_mb_emit_ldloc (mb, loc_context);
3845 mono_mb_emit_icall (mb, mono_context_set);
3847 /* if (loc_serialized_exc != null) ... */
3849 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3850 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3852 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3853 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3854 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3855 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3856 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3857 mono_mb_emit_byte (mb, CEE_THROW);
3858 mono_mb_patch_short_branch (mb, pos_noex);
3860 /* copy back non-serialized output parameters */
3863 for (i = 0; i < sig->param_count; i++) {
3864 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3865 mono_mb_emit_ldarg (mb, i + 1);
3866 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3867 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3868 mono_mb_emit_byte (mb, CEE_STIND_REF);
3871 /* Deserialize out parameters */
3873 if (complex_out_count > 0) {
3874 mono_mb_emit_ldloc (mb, loc_serialized_data);
3875 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3876 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3877 mono_mb_emit_stloc (mb, loc_array);
3879 /* Copy back output parameters and return type */
3882 for (i = 0; i < sig->param_count; i++) {
3883 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3884 if (sig->params[i]->byref) {
3885 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3886 mono_mb_emit_ldarg (mb, i + 1);
3887 mono_mb_emit_ldloc (mb, loc_array);
3888 mono_mb_emit_icon (mb, j);
3889 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3890 if (pclass->valuetype) {
3891 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3892 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3893 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3895 if (pclass != mono_defaults.object_class)
3896 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3897 mono_mb_emit_byte (mb, CEE_STIND_REF);
3903 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3904 mono_mb_emit_ldloc (mb, loc_array);
3905 mono_mb_emit_icon (mb, complex_count);
3906 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3907 if (ret_class->valuetype) {
3908 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3909 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3912 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3913 mono_mb_emit_ldloc (mb, loc_serialized_data);
3914 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3915 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3916 if (ret_class->valuetype) {
3917 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3918 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3919 } else if (ret_class != mono_defaults.object_class) {
3920 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3923 mono_mb_emit_ldloc (mb, loc_serialized_data);
3924 mono_mb_emit_byte (mb, CEE_DUP);
3925 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3926 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3928 mono_mb_patch_short_branch (mb, pos);
3929 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3930 mono_mb_emit_byte (mb, CEE_POP);
3934 mono_mb_emit_ldloc (mb, loc_return);
3935 if (ret_marshal_type == MONO_MARSHAL_COPY)
3936 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3939 mono_mb_emit_byte (mb, CEE_RET);
3940 #endif /* DISABLE_JIT */
3942 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3949 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3951 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3952 return mono_marshal_get_xappdomain_invoke (method);
3953 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3955 return mono_cominterop_get_invoke (method);
3957 g_assert_not_reached ();
3960 return mono_marshal_get_remoting_invoke (method);
3966 G_GNUC_UNUSED static gpointer
3967 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3969 if (rp->target_domain_id != -1)
3970 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3972 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3976 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3978 MonoMethodSignature *sig;
3979 MonoMethodBuilder *mb;
3980 MonoMethod *res, *native;
3981 int i, pos, pos_rem;
3985 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3988 /* we cant remote methods without this pointer */
3989 g_assert (mono_method_signature (method)->hasthis);
3991 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3994 sig = mono_signature_no_pinvoke (method);
3996 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3999 for (i = 0; i <= sig->param_count; i++)
4000 mono_mb_emit_ldarg (mb, i);
4002 mono_mb_emit_ldarg (mb, 0);
4003 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4005 if (mono_marshal_supports_fast_xdomain (method)) {
4006 mono_mb_emit_ldarg (mb, 0);
4007 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4009 /* wrapper for cross app domain calls */
4010 native = mono_marshal_get_xappdomain_invoke (method);
4011 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4012 mono_mb_emit_byte (mb, CEE_RET);
4014 mono_mb_patch_branch (mb, pos_rem);
4016 /* wrapper for normal remote calls */
4017 native = mono_marshal_get_remoting_invoke (method);
4018 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4019 mono_mb_emit_byte (mb, CEE_RET);
4022 mono_mb_patch_branch (mb, pos);
4023 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4024 mono_mb_emit_byte (mb, CEE_RET);
4027 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4033 #endif /* DISABLE_REMOTING */
4037 MonoMethodSignature *sig;
4039 } SignatureMethodPair;
4042 signature_method_pair_hash (gconstpointer data)
4044 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4046 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4050 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4052 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4056 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4058 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4059 MonoMethod *method = (MonoMethod*)user_data;
4061 return pair->method == method;
4065 free_signature_method_pair (SignatureMethodPair *pair)
4071 * the returned method invokes all methods in a multicast delegate.
4074 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4076 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4078 MonoMethodBuilder *mb;
4079 MonoMethod *res, *newm;
4081 SignatureMethodPair key;
4082 SignatureMethodPair *new_key;
4083 int local_prev, local_target;
4086 MonoMethod *target_method = NULL;
4087 MonoClass *target_class = NULL;
4088 gboolean callvirt = FALSE;
4089 gboolean closed_over_null = FALSE;
4090 gboolean static_method_with_first_arg_bound = FALSE;
4091 MonoGenericContext *ctx = NULL;
4092 MonoGenericContainer *container = NULL;
4093 MonoMethod *orig_method = NULL;
4096 * If the delegate target is null, and the target method is not static, a virtual
4097 * call is made to that method with the first delegate argument as this. This is
4098 * a non-documented .NET feature.
4100 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4102 target_method = del->method;
4103 if (target_method->is_inflated) {
4104 MonoType *target_type;
4106 g_assert (method->signature->hasthis);
4107 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4108 mono_method_get_context (method));
4109 target_class = mono_class_from_mono_type (target_type);
4111 target_class = del->method->klass;
4115 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4116 !strcmp (method->name, "Invoke"));
4118 invoke_sig = sig = mono_signature_no_pinvoke (method);
4121 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4123 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4124 invoke_sig = mono_method_signature (del->method);
4125 target_method = del->method;
4126 static_method_with_first_arg_bound = TRUE;
4130 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4132 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4133 orig_method = method;
4134 ctx = &((MonoMethodInflated*)method)->context;
4135 method = ((MonoMethodInflated*)method)->declaring;
4137 container = mono_method_get_generic_container (method);
4139 container = method->klass->generic_container;
4140 g_assert (container);
4142 invoke_sig = sig = mono_signature_no_pinvoke (method);
4149 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4150 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4153 } else if (callvirt || static_method_with_first_arg_bound) {
4154 GHashTable **cache_ptr;
4155 if (static_method_with_first_arg_bound)
4156 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
4158 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4160 /* We need to cache the signature+method pair */
4161 mono_marshal_lock ();
4163 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4165 key.sig = invoke_sig;
4166 key.method = target_method;
4167 res = g_hash_table_lookup (cache, &key);
4168 mono_marshal_unlock ();
4172 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4173 (GHashFunc)mono_signature_hash,
4174 (GCompareFunc)mono_metadata_signature_equal);
4175 res = mono_marshal_find_in_cache (cache, sig);
4180 static_sig = signature_dup (method->klass->image, sig);
4181 static_sig->hasthis = 0;
4182 if (!static_method_with_first_arg_bound)
4183 invoke_sig = static_sig;
4185 name = mono_signature_to_name (sig, "invoke");
4187 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4189 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4193 /* allocate local 0 (object) */
4194 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4195 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4197 g_assert (sig->hasthis);
4201 * prev.Invoke( args .. );
4202 * return this.<target>( args .. );
4205 /* this wrapper can be used in unmanaged-managed transitions */
4206 emit_thread_interrupt_checkpoint (mb);
4208 /* get this->prev */
4209 mono_mb_emit_ldarg (mb, 0);
4210 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4211 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4212 mono_mb_emit_stloc (mb, local_prev);
4213 mono_mb_emit_ldloc (mb, local_prev);
4215 /* if prev != null */
4216 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4220 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4221 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4223 mono_mb_emit_ldloc (mb, local_prev);
4224 for (i = 0; i < sig->param_count; i++)
4225 mono_mb_emit_ldarg (mb, i + 1);
4227 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4229 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4230 if (sig->ret->type != MONO_TYPE_VOID)
4231 mono_mb_emit_byte (mb, CEE_POP);
4233 /* continued or prev == null */
4234 mono_mb_patch_branch (mb, pos0);
4236 /* get this->target */
4237 mono_mb_emit_ldarg (mb, 0);
4238 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4239 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4240 mono_mb_emit_stloc (mb, local_target);
4242 /*static methods with bound first arg can have null target and still be bound*/
4243 if (!static_method_with_first_arg_bound) {
4244 /* if target != null */
4245 mono_mb_emit_ldloc (mb, local_target);
4246 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4248 /* then call this->method_ptr nonstatic */
4251 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4253 mono_mb_emit_ldloc (mb, local_target);
4254 for (i = 0; i < sig->param_count; ++i)
4255 mono_mb_emit_ldarg (mb, i + 1);
4256 mono_mb_emit_ldarg (mb, 0);
4257 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4258 mono_mb_emit_byte (mb, CEE_LDIND_I );
4259 mono_mb_emit_op (mb, CEE_CALLI, sig);
4261 mono_mb_emit_byte (mb, CEE_RET);
4264 /* else [target == null] call this->method_ptr static */
4265 mono_mb_patch_branch (mb, pos0);
4269 if (!closed_over_null) {
4270 mono_mb_emit_ldarg (mb, 1);
4271 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4272 for (i = 1; i < sig->param_count; ++i)
4273 mono_mb_emit_ldarg (mb, i + 1);
4274 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4276 mono_mb_emit_byte (mb, CEE_LDNULL);
4277 for (i = 0; i < sig->param_count; ++i)
4278 mono_mb_emit_ldarg (mb, i + 1);
4279 mono_mb_emit_op (mb, CEE_CALL, target_method);
4282 if (static_method_with_first_arg_bound) {
4283 mono_mb_emit_ldloc (mb, local_target);
4284 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4285 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4287 for (i = 0; i < sig->param_count; ++i)
4288 mono_mb_emit_ldarg (mb, i + 1);
4289 mono_mb_emit_ldarg (mb, 0);
4290 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4291 mono_mb_emit_byte (mb, CEE_LDIND_I );
4292 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4295 mono_mb_emit_byte (mb, CEE_RET);
4297 mb->skip_visibility = 1;
4298 #endif /* DISABLE_JIT */
4303 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4304 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4305 } else if (static_method_with_first_arg_bound || callvirt) {
4306 // From mono_mb_create_and_cache
4307 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4308 /*We perform double checked locking, so must fence before publishing*/
4309 mono_memory_barrier ();
4310 mono_marshal_lock ();
4311 res = g_hash_table_lookup (cache, &key);
4314 new_key = g_new0 (SignatureMethodPair, 1);
4316 if (static_method_with_first_arg_bound)
4317 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4318 g_hash_table_insert (cache, new_key, res);
4319 mono_marshal_set_wrapper_info (res, new_key);
4320 mono_marshal_unlock ();
4322 mono_marshal_unlock ();
4323 mono_free_method (newm);
4326 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4334 * signature_dup_add_this:
4336 * Make a copy of @sig, adding an explicit this argument.
4338 static MonoMethodSignature*
4339 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4341 MonoMethodSignature *res;
4344 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4345 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4346 res->param_count = sig->param_count + 1;
4347 res->hasthis = FALSE;
4348 for (i = sig->param_count - 1; i >= 0; i --)
4349 res->params [i + 1] = sig->params [i];
4350 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4356 MonoMethodSignature *ctor_sig;
4357 MonoMethodSignature *sig;
4360 /* protected by the marshal lock, contains CtorSigPair pointers */
4361 static GSList *strsig_list = NULL;
4363 static MonoMethodSignature *
4364 lookup_string_ctor_signature (MonoMethodSignature *sig)
4366 MonoMethodSignature *callsig;
4370 mono_marshal_lock ();
4372 for (item = strsig_list; item; item = item->next) {
4374 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4375 * because it is lock-free.
4377 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4382 mono_marshal_unlock ();
4386 static MonoMethodSignature *
4387 add_string_ctor_signature (MonoMethod *method)
4389 MonoMethodSignature *callsig;
4392 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4393 callsig->ret = &mono_defaults.string_class->byval_arg;
4394 cs = g_new (CtorSigPair, 1);
4396 cs->ctor_sig = mono_method_signature (method);
4398 mono_marshal_lock ();
4399 strsig_list = g_slist_prepend (strsig_list, cs);
4400 mono_marshal_unlock ();
4405 * mono_marshal_get_string_ctor_signature:
4407 * Return the modified signature used by string ctors (they return the newly created
4410 MonoMethodSignature*
4411 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4413 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4415 sig = add_string_ctor_signature (method);
4421 get_runtime_invoke_type (MonoType *t, gboolean ret)
4424 /* Can't share this with 'I' as that needs another indirection */
4427 if (MONO_TYPE_IS_REFERENCE (t))
4428 return &mono_defaults.object_class->byval_arg;
4431 /* The result needs to be boxed */
4437 return &mono_defaults.sbyte_class->byval_arg;
4439 return &mono_defaults.int16_class->byval_arg;
4441 return &mono_defaults.int32_class->byval_arg;
4443 return &mono_defaults.int64_class->byval_arg;
4444 case MONO_TYPE_BOOLEAN:
4445 return &mono_defaults.sbyte_class->byval_arg;
4446 case MONO_TYPE_CHAR:
4447 return &mono_defaults.int16_class->byval_arg;
4450 return &mono_defaults.int_class->byval_arg;
4451 case MONO_TYPE_VALUETYPE:
4452 if (t->data.klass->enumtype) {
4453 t = mono_class_enum_basetype (t->data.klass);
4463 * mono_marshal_get_runtime_invoke_sig:
4465 * Return a common signature used for sharing runtime invoke wrappers.
4467 static MonoMethodSignature*
4468 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4470 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4473 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4474 for (i = 0; i < res->param_count; ++i)
4475 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4481 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4483 /* Can't share wrappers which return a vtype since it needs to be boxed */
4484 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))
4487 return mono_metadata_signature_equal (sig1, sig2);
4495 * Emit the call to the wrapper method from a runtime invoke wrapper.
4498 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4499 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4501 gboolean virtual, gboolean need_direct_wrapper)
4503 static MonoString *string_dummy = NULL;
4505 int *tmp_nullable_locals;
4506 gboolean void_ret = FALSE;
4508 /* to make it work with our special string constructors */
4509 if (!string_dummy) {
4510 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4511 string_dummy = mono_string_new_wrapper ("dummy");
4515 g_assert (sig->hasthis);
4516 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4520 if (method->string_ctor) {
4521 if (mono_gc_is_moving ()) {
4522 mono_mb_emit_ptr (mb, &string_dummy);
4523 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4525 mono_mb_emit_ptr (mb, string_dummy);
4528 mono_mb_emit_ldarg (mb, 0);
4532 tmp_nullable_locals = g_new0 (int, sig->param_count);
4534 for (i = 0; i < sig->param_count; i++) {
4535 MonoType *t = sig->params [i];
4538 mono_mb_emit_ldarg (mb, 1);
4540 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4541 mono_mb_emit_byte (mb, CEE_ADD);
4545 mono_mb_emit_byte (mb, CEE_LDIND_I);
4546 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4547 * So to make this work we unbox it to a local variablee and push a reference to that.
4549 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4550 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4552 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4553 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4554 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4559 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4560 type = sig->params [i]->type;
4564 case MONO_TYPE_BOOLEAN:
4568 case MONO_TYPE_CHAR:
4577 mono_mb_emit_byte (mb, CEE_LDIND_I);
4578 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4580 case MONO_TYPE_STRING:
4581 case MONO_TYPE_CLASS:
4582 case MONO_TYPE_ARRAY:
4584 case MONO_TYPE_SZARRAY:
4585 case MONO_TYPE_OBJECT:
4586 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4588 case MONO_TYPE_GENERICINST:
4589 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4590 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4595 case MONO_TYPE_VALUETYPE:
4596 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4597 type = mono_class_enum_basetype (t->data.klass)->type;
4600 mono_mb_emit_byte (mb, CEE_LDIND_I);
4601 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4602 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4603 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4604 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4606 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4610 g_assert_not_reached ();
4615 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4616 } else if (need_direct_wrapper) {
4617 mono_mb_emit_op (mb, CEE_CALL, method);
4619 mono_mb_emit_ldarg (mb, 3);
4620 mono_mb_emit_calli (mb, callsig);
4623 if (sig->ret->byref) {
4625 g_assert_not_reached ();
4628 switch (sig->ret->type) {
4629 case MONO_TYPE_VOID:
4630 if (!method->string_ctor)
4633 case MONO_TYPE_BOOLEAN:
4634 case MONO_TYPE_CHAR:
4647 case MONO_TYPE_VALUETYPE:
4648 case MONO_TYPE_TYPEDBYREF:
4649 case MONO_TYPE_GENERICINST:
4650 /* box value types */
4651 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4653 case MONO_TYPE_STRING:
4654 case MONO_TYPE_CLASS:
4655 case MONO_TYPE_ARRAY:
4656 case MONO_TYPE_SZARRAY:
4657 case MONO_TYPE_OBJECT:
4661 /* The result is an IntPtr */
4662 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4665 g_assert_not_reached ();
4669 mono_mb_emit_stloc (mb, loc_res);
4671 /* Convert back nullable-byref arguments */
4672 for (i = 0; i < sig->param_count; i++) {
4673 MonoType *t = sig->params [i];
4676 * Box the result and put it back into the array, the caller will have
4677 * to obtain it from there.
4679 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4680 mono_mb_emit_ldarg (mb, 1);
4681 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4682 mono_mb_emit_byte (mb, CEE_ADD);
4684 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4685 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4687 mono_mb_emit_byte (mb, CEE_STIND_REF);
4691 g_free (tmp_nullable_locals);
4695 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4696 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4697 gboolean virtual, gboolean need_direct_wrapper)
4700 MonoExceptionClause *clause;
4701 int loc_res, loc_exc;
4703 /* The wrapper looks like this:
4709 * } catch (Exception e) {
4717 /* allocate local 0 (object) tmp */
4718 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4719 /* allocate local 1 (object) exc */
4720 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4722 /* *exc is assumed to be initialized to NULL by the caller */
4724 mono_mb_emit_byte (mb, CEE_LDARG_2);
4725 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4730 labels [1] = mono_mb_get_label (mb);
4731 emit_thread_force_interrupt_checkpoint (mb);
4732 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4734 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4736 /* Add a try clause around the call */
4737 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4738 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4739 clause->data.catch_class = mono_defaults.exception_class;
4740 clause->try_offset = labels [1];
4741 clause->try_len = mono_mb_get_label (mb) - labels [1];
4743 clause->handler_offset = mono_mb_get_label (mb);
4746 mono_mb_emit_stloc (mb, loc_exc);
4747 mono_mb_emit_byte (mb, CEE_LDARG_2);
4748 mono_mb_emit_ldloc (mb, loc_exc);
4749 mono_mb_emit_byte (mb, CEE_STIND_REF);
4751 mono_mb_emit_branch (mb, CEE_LEAVE);
4753 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4755 mono_mb_set_clauses (mb, 1, clause);
4757 mono_mb_patch_branch (mb, labels [2]);
4758 mono_mb_emit_ldloc (mb, loc_res);
4759 mono_mb_emit_byte (mb, CEE_RET);
4764 mono_mb_patch_branch (mb, labels [0]);
4765 emit_thread_force_interrupt_checkpoint (mb);
4766 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4768 mono_mb_emit_ldloc (mb, 0);
4769 mono_mb_emit_byte (mb, CEE_RET);
4774 * generates IL code for the runtime invoke function
4775 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4777 * we also catch exceptions if exc != null
4778 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4779 * it means that the compiled code for METHOD does not have to be looked up
4780 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4781 * its METHOD argument.
4784 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4786 MonoMethodSignature *sig, *csig, *callsig;
4787 MonoMethodBuilder *mb;
4788 GHashTable *cache = NULL;
4789 MonoClass *target_klass;
4790 MonoMethod *res = NULL;
4791 static MonoMethodSignature *cctor_signature = NULL;
4792 static MonoMethodSignature *finalize_signature = NULL;
4794 const char *param_names [16];
4795 gboolean need_direct_wrapper = FALSE;
4800 if (!cctor_signature) {
4801 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4802 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4804 if (!finalize_signature) {
4805 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4806 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4807 finalize_signature->hasthis = 1;
4811 need_direct_wrapper = TRUE;
4814 * Use a separate cache indexed by methods to speed things up and to avoid the
4815 * boundless mempool growth caused by the signature_dup stuff below.
4818 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4820 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4821 res = mono_marshal_find_in_cache (cache, method);
4825 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4826 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4828 * Array Get/Set/Address methods. The JIT implements them using inline code
4829 * so we need to create an invoke wrapper which calls the method directly.
4831 need_direct_wrapper = TRUE;
4834 if (method->string_ctor) {
4835 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4837 callsig = add_string_ctor_signature (method);
4838 /* Can't share this as we push a string as this */
4839 need_direct_wrapper = TRUE;
4841 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4843 * Valuetype methods receive a managed pointer as the this argument.
4844 * Create a new signature to reflect this.
4846 callsig = signature_dup_add_this (method->klass->image, mono_method_signature (method), method->klass);
4847 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4848 need_direct_wrapper = TRUE;
4850 if (method->dynamic)
4851 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4853 callsig = mono_method_signature (method);
4857 target_klass = get_wrapper_target_class (method->klass->image);
4859 /* Try to share wrappers for non-corlib methods with simple signatures */
4860 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4861 callsig = cctor_signature;
4862 target_klass = mono_defaults.object_class;
4863 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4864 callsig = finalize_signature;
4865 target_klass = mono_defaults.object_class;
4868 if (need_direct_wrapper) {
4869 /* Already searched at the start */
4871 MonoMethodSignature *tmp_sig;
4873 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4875 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4876 (GHashFunc)mono_signature_hash,
4877 (GCompareFunc)runtime_invoke_signature_equal);
4879 /* from mono_marshal_find_in_cache */
4880 mono_marshal_lock ();
4881 res = g_hash_table_lookup (cache, callsig);
4882 mono_marshal_unlock ();
4889 /* Make a copy of the signature from the image mempool */
4891 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4895 sig = mono_method_signature (method);
4897 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4899 csig->ret = &mono_defaults.object_class->byval_arg;
4900 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4901 csig->params [0] = callsig->params [0];
4903 csig->params [0] = &mono_defaults.object_class->byval_arg;
4904 csig->params [1] = &mono_defaults.int_class->byval_arg;
4905 csig->params [2] = &mono_defaults.int_class->byval_arg;
4906 csig->params [3] = &mono_defaults.int_class->byval_arg;
4909 /* This is called from runtime code so it has to be cdecl */
4910 csig->call_convention = MONO_CALL_C;
4913 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4914 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4918 param_names [0] = "this";
4919 param_names [1] = "params";
4920 param_names [2] = "exc";
4921 param_names [3] = "method";
4922 mono_mb_set_param_names (mb, param_names);
4924 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4927 if (need_direct_wrapper) {
4929 mb->skip_visibility = 1;
4931 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4932 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4933 info->d.runtime_invoke.method = method;
4934 mono_marshal_set_wrapper_info (res, info);
4936 /* taken from mono_mb_create_and_cache */
4937 mono_marshal_lock ();
4938 res = g_hash_table_lookup (cache, callsig);
4939 mono_marshal_unlock ();
4941 /* Somebody may have created it before us */
4944 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4946 mono_marshal_lock ();
4947 res = g_hash_table_lookup (cache, callsig);
4950 g_hash_table_insert (cache, callsig, res);
4951 /* Can't insert it into wrapper_hash since the key is a signature */
4952 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4953 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4954 info->d.runtime_invoke.sig = callsig;
4955 mono_marshal_set_wrapper_info (res, info);
4957 mono_free_method (newm);
4959 mono_marshal_unlock ();
4962 /* end mono_mb_create_and_cache */
4971 * mono_marshal_get_runtime_invoke_dynamic:
4973 * Return a method which can be used to invoke managed methods from native code
4975 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4976 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4977 * ARGS should point to an architecture specific structure containing
4978 * the arguments and space for the return value.
4979 * The other arguments are the same as for runtime_invoke (), except that
4980 * ARGS should contain the this argument too.
4981 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4982 * is only one copy of it, which is useful in full-aot.
4983 * The wrapper info for the wrapper is a WrapperInfo structure.
4986 mono_marshal_get_runtime_invoke_dynamic (void)
4988 static MonoMethod *method;
4989 MonoMethodSignature *csig;
4990 MonoExceptionClause *clause;
4991 MonoMethodBuilder *mb;
4999 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5001 csig->ret = &mono_defaults.void_class->byval_arg;
5002 csig->params [0] = &mono_defaults.int_class->byval_arg;
5003 csig->params [1] = &mono_defaults.int_class->byval_arg;
5004 csig->params [2] = &mono_defaults.int_class->byval_arg;
5005 csig->params [3] = &mono_defaults.int_class->byval_arg;
5007 name = g_strdup ("runtime_invoke_dynamic");
5008 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5012 /* allocate local 0 (object) tmp */
5013 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5014 /* allocate local 1 (object) exc */
5015 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5017 /* cond set *exc to null */
5018 mono_mb_emit_byte (mb, CEE_LDARG_1);
5019 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5020 mono_mb_emit_byte (mb, 3);
5021 mono_mb_emit_byte (mb, CEE_LDARG_1);
5022 mono_mb_emit_byte (mb, CEE_LDNULL);
5023 mono_mb_emit_byte (mb, CEE_STIND_REF);
5025 emit_thread_force_interrupt_checkpoint (mb);
5027 mono_mb_emit_byte (mb, CEE_LDARG_0);
5028 mono_mb_emit_byte (mb, CEE_LDARG_2);
5029 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5030 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5032 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5034 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5035 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5036 clause->try_len = mono_mb_get_label (mb);
5039 clause->data.filter_offset = mono_mb_get_label (mb);
5041 mono_mb_emit_byte (mb, CEE_POP);
5042 mono_mb_emit_byte (mb, CEE_LDARG_1);
5043 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5044 mono_mb_emit_byte (mb, CEE_PREFIX1);
5045 mono_mb_emit_byte (mb, CEE_CGT_UN);
5046 mono_mb_emit_byte (mb, CEE_PREFIX1);
5047 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5049 clause->handler_offset = mono_mb_get_label (mb);
5052 /* store exception */
5053 mono_mb_emit_stloc (mb, 1);
5055 mono_mb_emit_byte (mb, CEE_LDARG_1);
5056 mono_mb_emit_ldloc (mb, 1);
5057 mono_mb_emit_byte (mb, CEE_STIND_REF);
5059 mono_mb_emit_byte (mb, CEE_LDNULL);
5060 mono_mb_emit_stloc (mb, 0);
5062 /* Check for the abort exception */
5063 mono_mb_emit_ldloc (mb, 1);
5064 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5065 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5067 /* Delay the abort exception */
5068 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5070 mono_mb_patch_short_branch (mb, posna);
5071 mono_mb_emit_branch (mb, CEE_LEAVE);
5073 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5075 mono_mb_set_clauses (mb, 1, clause);
5078 mono_mb_patch_branch (mb, pos);
5079 //mono_mb_emit_ldloc (mb, 0);
5080 mono_mb_emit_byte (mb, CEE_RET);
5081 #endif /* DISABLE_JIT */
5083 mono_loader_lock ();
5084 /* double-checked locking */
5086 method = mono_mb_create_method (mb, csig, 16);
5087 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5088 mono_marshal_set_wrapper_info (method, info);
5090 mono_loader_unlock ();
5099 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5101 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5102 klass->name_space, klass->name);
5104 mono_mb_emit_exception_marshal_directive (mb, msg);
5108 #ifndef DISABLE_REMOTING
5110 * mono_marshal_get_ldfld_remote_wrapper:
5111 * @klass: The return type
5113 * This method generates a wrapper for calling mono_load_remote_field_new.
5114 * The return type is ignored for now, as mono_load_remote_field_new () always
5115 * returns an object. In the future, to optimize some codepaths, we might
5116 * call a different function that takes a pointer to a valuetype, instead.
5119 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5121 MonoMethodSignature *sig, *csig;
5122 MonoMethodBuilder *mb;
5124 static MonoMethod* cached = NULL;
5126 mono_marshal_lock ();
5128 mono_marshal_unlock ();
5131 mono_marshal_unlock ();
5133 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5135 mb->method->save_lmf = 1;
5137 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5138 sig->params [0] = &mono_defaults.object_class->byval_arg;
5139 sig->params [1] = &mono_defaults.int_class->byval_arg;
5140 sig->params [2] = &mono_defaults.int_class->byval_arg;
5141 sig->ret = &mono_defaults.object_class->byval_arg;
5144 mono_mb_emit_ldarg (mb, 0);
5145 mono_mb_emit_ldarg (mb, 1);
5146 mono_mb_emit_ldarg (mb, 2);
5148 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5149 csig->params [0] = &mono_defaults.object_class->byval_arg;
5150 csig->params [1] = &mono_defaults.int_class->byval_arg;
5151 csig->params [2] = &mono_defaults.int_class->byval_arg;
5152 csig->ret = &mono_defaults.object_class->byval_arg;
5155 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5156 emit_thread_interrupt_checkpoint (mb);
5158 mono_mb_emit_byte (mb, CEE_RET);
5161 mono_marshal_lock ();
5163 mono_marshal_unlock ();
5166 newm = mono_mb_create_method (mb, sig, 4);
5167 mono_marshal_lock ();
5172 mono_marshal_unlock ();
5174 mono_marshal_unlock ();
5175 mono_free_method (newm);
5184 * mono_marshal_get_ldfld_wrapper:
5185 * @type: the type of the field
5187 * This method generates a function which can be use to load a field with type
5188 * @type from an object. The generated function has the following signature:
5189 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5192 mono_marshal_get_ldfld_wrapper (MonoType *type)
5194 MonoMethodSignature *sig;
5195 MonoMethodBuilder *mb;
5200 int t, pos0, pos1 = 0;
5202 type = mono_type_get_underlying_type (type);
5207 if (type->type == MONO_TYPE_SZARRAY) {
5208 klass = mono_defaults.array_class;
5209 } else if (type->type == MONO_TYPE_VALUETYPE) {
5210 klass = type->data.klass;
5211 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5212 klass = mono_defaults.object_class;
5213 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5214 klass = mono_defaults.int_class;
5215 } else if (t == MONO_TYPE_GENERICINST) {
5216 if (mono_type_generic_inst_is_valuetype (type))
5217 klass = mono_class_from_mono_type (type);
5219 klass = mono_defaults.object_class;
5221 klass = mono_class_from_mono_type (type);
5224 klass = mono_defaults.int_class;
5227 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5228 if ((res = mono_marshal_find_in_cache (cache, klass)))
5231 /* we add the %p pointer value of klass because class names are not unique */
5232 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5233 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5236 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5237 sig->params [0] = &mono_defaults.object_class->byval_arg;
5238 sig->params [1] = &mono_defaults.int_class->byval_arg;
5239 sig->params [2] = &mono_defaults.int_class->byval_arg;
5240 sig->params [3] = &mono_defaults.int_class->byval_arg;
5241 sig->ret = &klass->byval_arg;
5244 mono_mb_emit_ldarg (mb, 0);
5245 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5247 mono_mb_emit_ldarg (mb, 0);
5248 mono_mb_emit_ldarg (mb, 1);
5249 mono_mb_emit_ldarg (mb, 2);
5251 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5254 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5255 csig->params [0] = &mono_defaults.object_class->byval_arg;
5256 csig->params [1] = &mono_defaults.int_class->byval_arg;
5257 csig->params [2] = &mono_defaults.int_class->byval_arg;
5258 csig->ret = &klass->this_arg;
5261 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5262 emit_thread_interrupt_checkpoint (mb);
5265 if (klass->valuetype) {
5266 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5267 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5269 mono_mb_emit_byte (mb, CEE_RET);
5273 mono_mb_patch_branch (mb, pos0);
5275 mono_mb_emit_ldarg (mb, 0);
5276 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5277 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5278 mono_mb_emit_ldarg (mb, 3);
5279 mono_mb_emit_byte (mb, CEE_ADD);
5281 if (klass->valuetype)
5282 mono_mb_patch_branch (mb, pos1);
5287 case MONO_TYPE_BOOLEAN:
5288 case MONO_TYPE_CHAR:
5297 case MONO_TYPE_ARRAY:
5298 case MONO_TYPE_SZARRAY:
5299 case MONO_TYPE_OBJECT:
5300 case MONO_TYPE_CLASS:
5301 case MONO_TYPE_STRING:
5305 case MONO_TYPE_FNPTR:
5306 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5308 case MONO_TYPE_VALUETYPE:
5309 g_assert (!klass->enumtype);
5310 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5312 case MONO_TYPE_GENERICINST:
5313 if (mono_type_generic_inst_is_valuetype (type)) {
5314 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5316 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5320 g_warning ("type %x not implemented", type->type);
5321 g_assert_not_reached ();
5324 mono_mb_emit_byte (mb, CEE_RET);
5325 #endif /* DISABLE_JIT */
5327 res = mono_mb_create_and_cache (cache, klass,
5328 mb, sig, sig->param_count + 16);
5335 * mono_marshal_get_ldflda_wrapper:
5336 * @type: the type of the field
5338 * This method generates a function which can be used to load a field address
5339 * from an object. The generated function has the following signature:
5340 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5343 mono_marshal_get_ldflda_wrapper (MonoType *type)
5345 MonoMethodSignature *sig;
5346 MonoMethodBuilder *mb;
5351 int t, pos0, pos1, pos2, pos3;
5353 type = mono_type_get_underlying_type (type);
5357 if (type->type == MONO_TYPE_SZARRAY) {
5358 klass = mono_defaults.array_class;
5359 } else if (type->type == MONO_TYPE_VALUETYPE) {
5360 klass = type->data.klass;
5361 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5362 t == MONO_TYPE_CLASS) {
5363 klass = mono_defaults.object_class;
5364 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5365 klass = mono_defaults.int_class;
5366 } else if (t == MONO_TYPE_GENERICINST) {
5367 if (mono_type_generic_inst_is_valuetype (type))
5368 klass = mono_class_from_mono_type (type);
5370 klass = mono_defaults.object_class;
5372 klass = mono_class_from_mono_type (type);
5375 klass = mono_defaults.int_class;
5378 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5379 if ((res = mono_marshal_find_in_cache (cache, klass)))
5382 /* we add the %p pointer value of klass because class names are not unique */
5383 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5384 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5387 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5388 sig->params [0] = &mono_defaults.object_class->byval_arg;
5389 sig->params [1] = &mono_defaults.int_class->byval_arg;
5390 sig->params [2] = &mono_defaults.int_class->byval_arg;
5391 sig->params [3] = &mono_defaults.int_class->byval_arg;
5392 sig->ret = &mono_defaults.int_class->byval_arg;
5395 /* if typeof (this) != transparent_proxy goto pos0 */
5396 mono_mb_emit_ldarg (mb, 0);
5397 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5399 /* if same_appdomain goto pos1 */
5400 mono_mb_emit_ldarg (mb, 0);
5401 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5403 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5405 /* same app domain */
5406 mono_mb_patch_branch (mb, pos1);
5408 /* if typeof (this) != contextbound goto pos2 */
5409 mono_mb_emit_ldarg (mb, 0);
5410 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5412 /* if this->rp->context == mono_context_get goto pos3 */
5413 mono_mb_emit_ldarg (mb, 0);
5414 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5415 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5416 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5417 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5418 mono_mb_emit_icall (mb, mono_context_get);
5419 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5421 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5423 mono_mb_patch_branch (mb, pos2);
5424 mono_mb_patch_branch (mb, pos3);
5426 /* return the address of the field from this->rp->unwrapped_server */
5427 mono_mb_emit_ldarg (mb, 0);
5428 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5429 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5430 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5431 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5432 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5433 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5434 mono_mb_emit_ldarg (mb, 3);
5435 mono_mb_emit_byte (mb, CEE_ADD);
5436 mono_mb_emit_byte (mb, CEE_RET);
5438 /* not a proxy: return the address of the field directly */
5439 mono_mb_patch_branch (mb, pos0);
5441 mono_mb_emit_ldarg (mb, 0);
5442 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5443 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5444 mono_mb_emit_ldarg (mb, 3);
5445 mono_mb_emit_byte (mb, CEE_ADD);
5447 mono_mb_emit_byte (mb, CEE_RET);
5450 res = mono_mb_create_and_cache (cache, klass,
5451 mb, sig, sig->param_count + 16);
5458 * mono_marshal_get_stfld_remote_wrapper:
5459 * klass: The type of the field
5461 * This function generates a wrapper for calling mono_store_remote_field_new
5462 * with the appropriate signature.
5463 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5464 * klass argument anymore.
5467 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5469 MonoMethodSignature *sig, *csig;
5470 MonoMethodBuilder *mb;
5472 static MonoMethod *cached = NULL;
5474 mono_marshal_lock ();
5476 mono_marshal_unlock ();
5479 mono_marshal_unlock ();
5481 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5483 mb->method->save_lmf = 1;
5485 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5486 sig->params [0] = &mono_defaults.object_class->byval_arg;
5487 sig->params [1] = &mono_defaults.int_class->byval_arg;
5488 sig->params [2] = &mono_defaults.int_class->byval_arg;
5489 sig->params [3] = &mono_defaults.object_class->byval_arg;
5490 sig->ret = &mono_defaults.void_class->byval_arg;
5493 mono_mb_emit_ldarg (mb, 0);
5494 mono_mb_emit_ldarg (mb, 1);
5495 mono_mb_emit_ldarg (mb, 2);
5496 mono_mb_emit_ldarg (mb, 3);
5498 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5499 csig->params [0] = &mono_defaults.object_class->byval_arg;
5500 csig->params [1] = &mono_defaults.int_class->byval_arg;
5501 csig->params [2] = &mono_defaults.int_class->byval_arg;
5502 csig->params [3] = &mono_defaults.object_class->byval_arg;
5503 csig->ret = &mono_defaults.void_class->byval_arg;
5506 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5507 emit_thread_interrupt_checkpoint (mb);
5509 mono_mb_emit_byte (mb, CEE_RET);
5512 mono_marshal_lock ();
5514 mono_marshal_unlock ();
5517 newm = mono_mb_create_method (mb, sig, 6);
5518 mono_marshal_lock ();
5523 mono_marshal_unlock ();
5525 mono_marshal_unlock ();
5526 mono_free_method (newm);
5535 * mono_marshal_get_stfld_wrapper:
5536 * @type: the type of the field
5538 * This method generates a function which can be use to store a field with type
5539 * @type. The generated function has the following signature:
5540 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5543 mono_marshal_get_stfld_wrapper (MonoType *type)
5545 MonoMethodSignature *sig;
5546 MonoMethodBuilder *mb;
5553 type = mono_type_get_underlying_type (type);
5557 if (type->type == MONO_TYPE_SZARRAY) {
5558 klass = mono_defaults.array_class;
5559 } else if (type->type == MONO_TYPE_VALUETYPE) {
5560 klass = type->data.klass;
5561 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5562 klass = mono_defaults.object_class;
5563 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5564 klass = mono_defaults.int_class;
5565 } else if (t == MONO_TYPE_GENERICINST) {
5566 if (mono_type_generic_inst_is_valuetype (type))
5567 klass = mono_class_from_mono_type (type);
5569 klass = mono_defaults.object_class;
5571 klass = mono_class_from_mono_type (type);
5574 klass = mono_defaults.int_class;
5577 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5578 if ((res = mono_marshal_find_in_cache (cache, klass)))
5581 /* we add the %p pointer value of klass because class names are not unique */
5582 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5583 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5586 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5587 sig->params [0] = &mono_defaults.object_class->byval_arg;
5588 sig->params [1] = &mono_defaults.int_class->byval_arg;
5589 sig->params [2] = &mono_defaults.int_class->byval_arg;
5590 sig->params [3] = &mono_defaults.int_class->byval_arg;
5591 sig->params [4] = &klass->byval_arg;
5592 sig->ret = &mono_defaults.void_class->byval_arg;
5595 mono_mb_emit_ldarg (mb, 0);
5596 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5598 mono_mb_emit_ldarg (mb, 0);
5599 mono_mb_emit_ldarg (mb, 1);
5600 mono_mb_emit_ldarg (mb, 2);
5601 mono_mb_emit_ldarg (mb, 4);
5602 if (klass->valuetype)
5603 mono_mb_emit_op (mb, CEE_BOX, klass);
5605 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5607 mono_mb_emit_byte (mb, CEE_RET);
5609 mono_mb_patch_branch (mb, pos);
5611 mono_mb_emit_ldarg (mb, 0);
5612 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5613 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5614 mono_mb_emit_ldarg (mb, 3);
5615 mono_mb_emit_byte (mb, CEE_ADD);
5616 mono_mb_emit_ldarg (mb, 4);
5621 case MONO_TYPE_BOOLEAN:
5622 case MONO_TYPE_CHAR:
5631 case MONO_TYPE_ARRAY:
5632 case MONO_TYPE_SZARRAY:
5633 case MONO_TYPE_OBJECT:
5634 case MONO_TYPE_CLASS:
5635 case MONO_TYPE_STRING:
5639 case MONO_TYPE_FNPTR:
5640 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5642 case MONO_TYPE_VALUETYPE:
5643 g_assert (!klass->enumtype);
5644 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5646 case MONO_TYPE_GENERICINST:
5647 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5650 g_warning ("type %x not implemented", type->type);
5651 g_assert_not_reached ();
5654 mono_mb_emit_byte (mb, CEE_RET);
5657 res = mono_mb_create_and_cache (cache, klass,
5658 mb, sig, sig->param_count + 16);
5663 #endif /* DISABLE_REMOTING */
5666 * generates IL code for the icall wrapper (the generated method
5667 * calls the unmanaged code in func)
5668 * The wrapper info for the wrapper is a WrapperInfo structure.
5671 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5673 MonoMethodSignature *csig, *csig2;
5674 MonoMethodBuilder *mb;
5679 g_assert (sig->pinvoke);
5681 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5683 mb->method->save_lmf = 1;
5685 /* Add an explicit this argument */
5687 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5689 csig2 = signature_dup (mono_defaults.corlib, sig);
5693 mono_mb_emit_byte (mb, CEE_LDARG_0);
5695 for (i = 0; i < sig->param_count; i++)
5696 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5698 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5699 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5700 mono_mb_emit_calli (mb, csig2);
5701 if (check_exceptions)
5702 emit_thread_interrupt_checkpoint (mb);
5703 mono_mb_emit_byte (mb, CEE_RET);
5706 csig = signature_dup (mono_defaults.corlib, sig);
5708 if (csig->call_convention == MONO_CALL_VARARG)
5709 csig->call_convention = 0;
5711 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5714 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5715 info->d.icall.func = (gpointer)func;
5716 mono_marshal_set_wrapper_info (res, info);
5722 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5723 MonoMarshalSpec *spec,
5724 int conv_arg, MonoType **conv_arg_type,
5725 MarshalAction action)
5728 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5729 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5734 static MonoClass *ICustomMarshaler = NULL;
5735 static MonoMethod *cleanup_native, *cleanup_managed;
5736 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5737 MonoMethod *get_instance = NULL;
5738 MonoMethodBuilder *mb = m->mb;
5739 char *exception_msg = NULL;
5743 if (!ICustomMarshaler) {
5744 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5745 if (!ICustomMarshaler) {
5746 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5747 goto handle_exception;
5750 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5751 g_assert (cleanup_native);
5752 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5753 g_assert (cleanup_managed);
5754 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5755 g_assert (marshal_managed_to_native);
5756 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5757 g_assert (marshal_native_to_managed);
5760 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5761 g_assert (mtype != NULL);
5762 mklass = mono_class_from_mono_type (mtype);
5763 g_assert (mklass != NULL);
5765 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5766 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5768 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5770 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5771 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5772 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5773 (get_sig->params [0]->type != MONO_TYPE_STRING))
5774 get_instance = NULL;
5778 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);
5781 /* Throw exception and emit compensation code if neccesary */
5782 if (exception_msg) {
5784 case MARSHAL_ACTION_CONV_IN:
5785 case MARSHAL_ACTION_CONV_RESULT:
5786 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5787 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5788 mono_mb_emit_byte (mb, CEE_POP);
5790 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5791 g_free (exception_msg);
5794 case MARSHAL_ACTION_PUSH:
5795 mono_mb_emit_byte (mb, CEE_LDNULL);
5803 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5804 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5807 case MARSHAL_ACTION_CONV_IN:
5809 case MONO_TYPE_CLASS:
5810 case MONO_TYPE_OBJECT:
5811 case MONO_TYPE_STRING:
5812 case MONO_TYPE_ARRAY:
5813 case MONO_TYPE_SZARRAY:
5814 case MONO_TYPE_VALUETYPE:
5818 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5819 g_assert_not_reached ();
5823 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5825 mono_mb_emit_byte (mb, CEE_LDNULL);
5826 mono_mb_emit_stloc (mb, conv_arg);
5828 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5831 /* Minic MS.NET behavior */
5832 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5835 /* Check for null */
5836 mono_mb_emit_ldarg (mb, argnum);
5838 mono_mb_emit_byte (mb, CEE_LDIND_I);
5839 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5841 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5843 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5845 mono_mb_emit_ldarg (mb, argnum);
5847 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5849 if (t->type == MONO_TYPE_VALUETYPE) {
5851 * Since we can't determine the type of the argument, we
5852 * will assume the unmanaged function takes a pointer.
5854 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5856 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5859 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5860 mono_mb_emit_stloc (mb, conv_arg);
5862 mono_mb_patch_branch (mb, pos2);
5865 case MARSHAL_ACTION_CONV_OUT:
5866 /* Check for null */
5867 mono_mb_emit_ldloc (mb, conv_arg);
5868 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5871 mono_mb_emit_ldarg (mb, argnum);
5873 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5875 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5877 mono_mb_emit_ldloc (mb, conv_arg);
5878 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5879 mono_mb_emit_byte (mb, CEE_STIND_REF);
5880 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5881 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5883 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5885 mono_mb_emit_ldloc (mb, conv_arg);
5886 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5888 /* We have nowhere to store the result */
5889 mono_mb_emit_byte (mb, CEE_POP);
5892 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5894 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5896 mono_mb_emit_ldloc (mb, conv_arg);
5898 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5900 mono_mb_patch_branch (mb, pos2);
5903 case MARSHAL_ACTION_PUSH:
5905 mono_mb_emit_ldloc_addr (mb, conv_arg);
5907 mono_mb_emit_ldloc (mb, conv_arg);
5910 case MARSHAL_ACTION_CONV_RESULT:
5911 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5913 mono_mb_emit_stloc (mb, 3);
5915 mono_mb_emit_ldloc (mb, 3);
5916 mono_mb_emit_stloc (mb, loc1);
5918 /* Check for null */
5919 mono_mb_emit_ldloc (mb, 3);
5920 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5922 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5924 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5925 mono_mb_emit_byte (mb, CEE_DUP);
5927 mono_mb_emit_ldloc (mb, 3);
5928 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5929 mono_mb_emit_stloc (mb, 3);
5931 mono_mb_emit_ldloc (mb, loc1);
5932 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5934 mono_mb_patch_branch (mb, pos2);
5937 case MARSHAL_ACTION_MANAGED_CONV_IN:
5938 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5940 mono_mb_emit_byte (mb, CEE_LDNULL);
5941 mono_mb_emit_stloc (mb, conv_arg);
5943 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5946 /* Check for null */
5947 mono_mb_emit_ldarg (mb, argnum);
5949 mono_mb_emit_byte (mb, CEE_LDIND_I);
5950 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5952 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5953 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5955 mono_mb_emit_ldarg (mb, argnum);
5957 mono_mb_emit_byte (mb, CEE_LDIND_I);
5959 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5960 mono_mb_emit_stloc (mb, conv_arg);
5962 mono_mb_patch_branch (mb, pos2);
5965 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5966 g_assert (!t->byref);
5968 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5970 mono_mb_emit_stloc (mb, 3);
5972 mono_mb_emit_ldloc (mb, 3);
5973 mono_mb_emit_stloc (mb, loc1);
5975 /* Check for null */
5976 mono_mb_emit_ldloc (mb, 3);
5977 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5979 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5980 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5981 mono_mb_emit_byte (mb, CEE_DUP);
5983 mono_mb_emit_ldloc (mb, 3);
5984 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5985 mono_mb_emit_stloc (mb, 3);
5987 mono_mb_emit_ldloc (mb, loc1);
5988 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5990 mono_mb_patch_branch (mb, pos2);
5993 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5995 /* Check for null */
5996 mono_mb_emit_ldloc (mb, conv_arg);
5997 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6000 mono_mb_emit_ldarg (mb, argnum);
6002 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6004 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6006 mono_mb_emit_ldloc (mb, conv_arg);
6007 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
6008 mono_mb_emit_byte (mb, CEE_STIND_I);
6011 /* Call CleanUpManagedData */
6012 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6014 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6016 mono_mb_emit_ldloc (mb, conv_arg);
6017 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6019 mono_mb_patch_branch (mb, pos2);
6023 g_assert_not_reached ();
6031 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6032 MonoMarshalSpec *spec,
6033 int conv_arg, MonoType **conv_arg_type,
6034 MarshalAction action)
6037 MonoMethodBuilder *mb = m->mb;
6040 case MARSHAL_ACTION_CONV_IN: {
6041 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6043 g_assert (t->type == MONO_TYPE_OBJECT);
6044 g_assert (!t->byref);
6046 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6047 mono_mb_emit_ldarg (mb, argnum);
6048 mono_mb_emit_icon (mb, encoding);
6049 mono_mb_emit_icon (mb, t->attrs);
6050 mono_mb_emit_icall (mb, mono_marshal_asany);
6051 mono_mb_emit_stloc (mb, conv_arg);
6055 case MARSHAL_ACTION_PUSH:
6056 mono_mb_emit_ldloc (mb, conv_arg);
6059 case MARSHAL_ACTION_CONV_OUT: {
6060 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6062 mono_mb_emit_ldarg (mb, argnum);
6063 mono_mb_emit_ldloc (mb, conv_arg);
6064 mono_mb_emit_icon (mb, encoding);
6065 mono_mb_emit_icon (mb, t->attrs);
6066 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6071 g_assert_not_reached ();
6078 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6079 MonoMarshalSpec *spec,
6080 int conv_arg, MonoType **conv_arg_type,
6081 MarshalAction action)
6084 MonoMethodBuilder *mb = m->mb;
6085 MonoClass *klass, *date_time_class;
6088 klass = mono_class_from_mono_type (t);
6090 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6093 case MARSHAL_ACTION_CONV_IN:
6094 if (klass == date_time_class) {
6095 /* Convert it to an OLE DATE type */
6096 static MonoMethod *to_oadate;
6099 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6100 g_assert (to_oadate);
6102 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6105 mono_mb_emit_ldarg (mb, argnum);
6106 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6109 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6111 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6113 mono_mb_emit_ldarg_addr (mb, argnum);
6114 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6115 mono_mb_emit_stloc (mb, conv_arg);
6119 mono_mb_patch_branch (mb, pos);
6123 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6124 klass->blittable || klass->enumtype)
6127 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6129 /* store the address of the source into local variable 0 */
6131 mono_mb_emit_ldarg (mb, argnum);
6133 mono_mb_emit_ldarg_addr (mb, argnum);
6135 mono_mb_emit_stloc (mb, 0);
6137 /* allocate space for the native struct and
6138 * store the address into local variable 1 (dest) */
6139 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6140 mono_mb_emit_byte (mb, CEE_PREFIX1);
6141 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6142 mono_mb_emit_stloc (mb, conv_arg);
6145 mono_mb_emit_ldloc (mb, 0);
6146 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6149 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6151 mono_mb_emit_ldloc (mb, conv_arg);
6152 mono_mb_emit_stloc (mb, 1);
6154 /* emit valuetype conversion code */
6155 emit_struct_conv (mb, klass, FALSE);
6159 mono_mb_patch_branch (mb, pos);
6162 case MARSHAL_ACTION_PUSH:
6163 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6165 g_assert (!t->byref);
6167 /* Have to change the signature since the vtype is passed byref */
6168 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6170 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6171 klass->blittable || klass->enumtype)
6172 mono_mb_emit_ldarg_addr (mb, argnum);
6174 mono_mb_emit_ldloc (mb, conv_arg);
6178 if (klass == date_time_class) {
6180 mono_mb_emit_ldloc_addr (mb, conv_arg);
6182 mono_mb_emit_ldloc (mb, conv_arg);
6186 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6187 klass->blittable || klass->enumtype) {
6188 mono_mb_emit_ldarg (mb, argnum);
6191 mono_mb_emit_ldloc (mb, conv_arg);
6193 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6194 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6198 case MARSHAL_ACTION_CONV_OUT:
6199 if (klass == date_time_class) {
6200 /* Convert from an OLE DATE type */
6201 static MonoMethod *from_oadate;
6206 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6208 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6209 g_assert (from_oadate);
6211 mono_mb_emit_ldarg (mb, argnum);
6212 mono_mb_emit_ldloc (mb, conv_arg);
6213 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6214 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6219 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6220 klass->blittable || klass->enumtype)
6224 /* dst = argument */
6225 mono_mb_emit_ldarg (mb, argnum);
6226 mono_mb_emit_stloc (mb, 1);
6228 mono_mb_emit_ldloc (mb, 1);
6229 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6231 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6232 /* src = tmp_locals [i] */
6233 mono_mb_emit_ldloc (mb, conv_arg);
6234 mono_mb_emit_stloc (mb, 0);
6236 /* emit valuetype conversion code */
6237 emit_struct_conv (mb, klass, TRUE);
6241 emit_struct_free (mb, klass, conv_arg);
6244 mono_mb_patch_branch (mb, pos);
6247 case MARSHAL_ACTION_CONV_RESULT:
6248 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6250 mono_mb_emit_stloc (mb, 3);
6254 /* load pointer to returned value type */
6255 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6256 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6257 /* store the address of the source into local variable 0 */
6258 mono_mb_emit_stloc (mb, 0);
6260 mono_mb_emit_ldloc_addr (mb, 3);
6261 mono_mb_emit_stloc (mb, 1);
6263 /* emit valuetype conversion code */
6264 emit_struct_conv (mb, klass, TRUE);
6267 case MARSHAL_ACTION_MANAGED_CONV_IN:
6268 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6269 klass->blittable || klass->enumtype) {
6274 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6276 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6280 mono_mb_emit_ldarg (mb, argnum);
6282 mono_mb_emit_ldarg_addr (mb, argnum);
6283 mono_mb_emit_stloc (mb, 0);
6286 mono_mb_emit_ldloc (mb, 0);
6287 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6290 mono_mb_emit_ldloc_addr (mb, conv_arg);
6291 mono_mb_emit_stloc (mb, 1);
6293 /* emit valuetype conversion code */
6294 emit_struct_conv (mb, klass, TRUE);
6297 mono_mb_patch_branch (mb, pos);
6300 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6301 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6302 klass->blittable || klass->enumtype) {
6306 /* Check for null */
6307 mono_mb_emit_ldarg (mb, argnum);
6308 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6311 mono_mb_emit_ldloc_addr (mb, conv_arg);
6312 mono_mb_emit_stloc (mb, 0);
6315 mono_mb_emit_ldarg (mb, argnum);
6316 mono_mb_emit_stloc (mb, 1);
6318 /* emit valuetype conversion code */
6319 emit_struct_conv (mb, klass, FALSE);
6321 mono_mb_patch_branch (mb, pos2);
6324 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6325 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6326 klass->blittable || klass->enumtype) {
6327 mono_mb_emit_stloc (mb, 3);
6332 /* load pointer to returned value type */
6333 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6334 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6336 /* store the address of the source into local variable 0 */
6337 mono_mb_emit_stloc (mb, 0);
6338 /* allocate space for the native struct and
6339 * store the address into dst_ptr */
6340 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6341 m->retobj_class = klass;
6342 g_assert (m->retobj_var);
6343 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6344 mono_mb_emit_byte (mb, CEE_CONV_I);
6345 mono_mb_emit_icall (mb, mono_marshal_alloc);
6346 mono_mb_emit_stloc (mb, 1);
6347 mono_mb_emit_ldloc (mb, 1);
6348 mono_mb_emit_stloc (mb, m->retobj_var);
6350 /* emit valuetype conversion code */
6351 emit_struct_conv (mb, klass, FALSE);
6355 g_assert_not_reached ();
6362 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6363 MonoMarshalSpec *spec,
6364 int conv_arg, MonoType **conv_arg_type,
6365 MarshalAction action)
6369 case MARSHAL_ACTION_CONV_IN:
6370 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6372 case MARSHAL_ACTION_MANAGED_CONV_IN:
6373 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6377 MonoMethodBuilder *mb = m->mb;
6378 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6379 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6383 case MARSHAL_ACTION_CONV_IN:
6384 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6385 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6388 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6391 mono_mb_emit_ldarg (mb, argnum);
6392 mono_mb_emit_byte (mb, CEE_LDIND_I);
6394 mono_mb_emit_ldarg (mb, argnum);
6398 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6399 mono_mb_emit_exception_marshal_directive (mb, msg);
6401 mono_mb_emit_icall (mb, conv_to_icall (conv));
6403 mono_mb_emit_stloc (mb, conv_arg);
6407 case MARSHAL_ACTION_CONV_OUT:
6408 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6410 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6411 mono_mb_emit_exception_marshal_directive (mb, msg);
6415 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6416 static MonoMethod *m;
6419 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6424 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6425 mono_mb_emit_exception_marshal_directive (mb, msg);
6430 * Have to allocate a new string with the same length as the original, and
6431 * copy the contents of the buffer pointed to by CONV_ARG into it.
6433 g_assert (t->byref);
6434 mono_mb_emit_ldarg (mb, argnum);
6435 mono_mb_emit_ldloc (mb, conv_arg);
6436 mono_mb_emit_ldarg (mb, argnum);
6437 mono_mb_emit_byte (mb, CEE_LDIND_I);
6438 mono_mb_emit_managed_call (mb, m, NULL);
6439 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6440 mono_mb_emit_byte (mb, CEE_STIND_REF);
6441 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6442 mono_mb_emit_ldarg (mb, argnum);
6443 mono_mb_emit_ldloc (mb, conv_arg);
6444 mono_mb_emit_icall (mb, conv_to_icall (conv));
6445 mono_mb_emit_byte (mb, CEE_STIND_REF);
6450 mono_mb_emit_ldloc (mb, conv_arg);
6451 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6452 mono_mb_emit_icall (mb, mono_free_bstr);
6454 mono_mb_emit_icall (mb, mono_marshal_free);
6458 case MARSHAL_ACTION_PUSH:
6459 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6460 mono_mb_emit_ldloc_addr (mb, conv_arg);
6462 mono_mb_emit_ldloc (mb, conv_arg);
6465 case MARSHAL_ACTION_CONV_RESULT:
6466 mono_mb_emit_stloc (mb, 0);
6468 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6470 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6471 mono_mb_emit_exception_marshal_directive (mb, msg);
6475 mono_mb_emit_ldloc (mb, 0);
6476 mono_mb_emit_icall (mb, conv_to_icall (conv));
6477 mono_mb_emit_stloc (mb, 3);
6479 /* free the string */
6480 mono_mb_emit_ldloc (mb, 0);
6481 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6482 mono_mb_emit_icall (mb, mono_free_bstr);
6484 mono_mb_emit_icall (mb, mono_marshal_free);
6487 case MARSHAL_ACTION_MANAGED_CONV_IN:
6488 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6490 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6493 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6497 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6499 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6500 mono_mb_emit_exception_marshal_directive (mb, msg);
6504 mono_mb_emit_ldarg (mb, argnum);
6506 mono_mb_emit_byte (mb, CEE_LDIND_I);
6507 mono_mb_emit_icall (mb, conv_to_icall (conv));
6508 mono_mb_emit_stloc (mb, conv_arg);
6511 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6514 mono_mb_emit_ldarg (mb, argnum);
6515 mono_mb_emit_ldloc (mb, conv_arg);
6516 mono_mb_emit_icall (mb, conv_to_icall (conv));
6517 mono_mb_emit_byte (mb, CEE_STIND_I);
6522 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6523 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6524 /* We need to make a copy so the caller is able to free it */
6525 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6527 mono_mb_emit_icall (mb, conv_to_icall (conv));
6528 mono_mb_emit_stloc (mb, 3);
6532 g_assert_not_reached ();
6540 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6541 MonoMarshalSpec *spec, int conv_arg,
6542 MonoType **conv_arg_type, MarshalAction action)
6545 if (action == MARSHAL_ACTION_CONV_IN)
6546 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6548 MonoMethodBuilder *mb = m->mb;
6551 case MARSHAL_ACTION_CONV_IN: {
6552 MonoType *intptr_type;
6553 int dar_release_slot, pos;
6555 intptr_type = &mono_defaults.int_class->byval_arg;
6556 conv_arg = mono_mb_add_local (mb, intptr_type);
6557 *conv_arg_type = intptr_type;
6559 if (!sh_dangerous_add_ref)
6560 init_safe_handle ();
6562 mono_mb_emit_ldarg (mb, argnum);
6563 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6564 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6566 mono_mb_patch_branch (mb, pos);
6569 * My tests in show that ref SafeHandles are not really
6570 * passed as ref objects. Instead a NULL is passed as the
6573 mono_mb_emit_icon (mb, 0);
6574 mono_mb_emit_stloc (mb, conv_arg);
6578 /* Create local to hold the ref parameter to DangerousAddRef */
6579 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6581 /* set release = false; */
6582 mono_mb_emit_icon (mb, 0);
6583 mono_mb_emit_stloc (mb, dar_release_slot);
6585 /* safehandle.DangerousAddRef (ref release) */
6586 mono_mb_emit_ldarg (mb, argnum);
6587 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6588 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6590 /* Pull the handle field from SafeHandle */
6591 mono_mb_emit_ldarg (mb, argnum);
6592 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6593 mono_mb_emit_byte (mb, CEE_LDIND_I);
6594 mono_mb_emit_stloc (mb, conv_arg);
6599 case MARSHAL_ACTION_PUSH:
6601 mono_mb_emit_ldloc_addr (mb, conv_arg);
6603 mono_mb_emit_ldloc (mb, conv_arg);
6606 case MARSHAL_ACTION_CONV_OUT: {
6607 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6608 int dar_release_slot = conv_arg + 1;
6611 if (!sh_dangerous_release)
6612 init_safe_handle ();
6618 * My tests indicate that ref SafeHandles parameters are not actually
6619 * passed by ref, but instead a new Handle is created regardless of
6620 * whether a change happens in the unmanaged side.
6622 * Also, the Handle is created before calling into unmanaged code,
6623 * but we do not support that mechanism (getting to the original
6624 * handle) and it makes no difference where we create this
6626 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6628 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6631 /* refval = new SafeHandleDerived ()*/
6632 mono_mb_emit_ldarg (mb, argnum);
6633 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6634 mono_mb_emit_byte (mb, CEE_STIND_REF);
6636 /* refval.handle = returned_handle */
6637 mono_mb_emit_ldarg (mb, argnum);
6638 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6639 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6640 mono_mb_emit_ldloc (mb, conv_arg);
6641 mono_mb_emit_byte (mb, CEE_STIND_I);
6643 mono_mb_emit_ldloc (mb, dar_release_slot);
6644 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6645 mono_mb_emit_ldarg (mb, argnum);
6646 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6647 mono_mb_patch_branch (mb, label_next);
6652 case MARSHAL_ACTION_CONV_RESULT: {
6653 MonoMethod *ctor = NULL;
6654 int intptr_handle_slot;
6656 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6657 mono_mb_emit_byte (mb, CEE_POP);
6658 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6662 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6664 mono_mb_emit_byte (mb, CEE_POP);
6665 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6668 /* Store the IntPtr results into a local */
6669 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6670 mono_mb_emit_stloc (mb, intptr_handle_slot);
6672 /* Create return value */
6673 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6674 mono_mb_emit_stloc (mb, 3);
6676 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6677 mono_mb_emit_ldloc (mb, 3);
6678 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6679 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6680 mono_mb_emit_byte (mb, CEE_STIND_I);
6684 case MARSHAL_ACTION_MANAGED_CONV_IN:
6685 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6688 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6689 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6692 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6693 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6696 printf ("Unhandled case for MarshalAction: %d\n", action);
6704 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6705 MonoMarshalSpec *spec, int conv_arg,
6706 MonoType **conv_arg_type, MarshalAction action)
6709 if (action == MARSHAL_ACTION_CONV_IN)
6710 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6712 MonoMethodBuilder *mb = m->mb;
6715 case MARSHAL_ACTION_CONV_IN: {
6716 MonoType *intptr_type;
6718 intptr_type = &mono_defaults.int_class->byval_arg;
6719 conv_arg = mono_mb_add_local (mb, intptr_type);
6720 *conv_arg_type = intptr_type;
6723 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6724 mono_mb_emit_exception_marshal_directive (mb, msg);
6727 mono_mb_emit_ldarg_addr (mb, argnum);
6728 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6729 mono_mb_emit_byte (mb, CEE_ADD);
6730 mono_mb_emit_byte (mb, CEE_LDIND_I);
6731 mono_mb_emit_stloc (mb, conv_arg);
6735 case MARSHAL_ACTION_PUSH:
6736 mono_mb_emit_ldloc (mb, conv_arg);
6739 case MARSHAL_ACTION_CONV_OUT: {
6740 /* no resource release required */
6744 case MARSHAL_ACTION_CONV_RESULT: {
6745 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6746 mono_mb_emit_exception_marshal_directive (mb, msg);
6750 case MARSHAL_ACTION_MANAGED_CONV_IN:
6751 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6754 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6755 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6758 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6759 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6762 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6770 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6771 MonoMarshalSpec *spec,
6772 int conv_arg, MonoType **conv_arg_type,
6773 MarshalAction action)
6776 if (action == MARSHAL_ACTION_CONV_IN)
6777 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6779 MonoMethodBuilder *mb = m->mb;
6780 MonoClass *klass = mono_class_from_mono_type (t);
6784 case MARSHAL_ACTION_CONV_IN:
6785 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6786 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6788 m->orig_conv_args [argnum] = 0;
6790 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6791 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6792 mono_mb_emit_exception_marshal_directive (mb, msg);
6796 if (klass->delegate) {
6798 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6799 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6800 mono_mb_emit_exception_marshal_directive (mb, msg);
6802 mono_mb_emit_byte (mb, CEE_LDNULL);
6803 mono_mb_emit_stloc (mb, conv_arg);
6805 mono_mb_emit_ldarg (mb, argnum);
6806 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6807 mono_mb_emit_stloc (mb, conv_arg);
6809 } else if (klass == mono_defaults.stringbuilder_class) {
6810 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6811 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6815 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6816 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6817 mono_mb_emit_exception_marshal_directive (mb, msg);
6823 if (t->byref && !t->attrs & PARAM_ATTRIBUTE_IN && t->attrs & PARAM_ATTRIBUTE_OUT)
6827 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6828 mono_mb_emit_exception_marshal_directive (mb, msg);
6832 mono_mb_emit_ldarg (mb, argnum);
6834 mono_mb_emit_byte (mb, CEE_LDIND_I);
6836 mono_mb_emit_icall (mb, conv_to_icall (conv));
6837 mono_mb_emit_stloc (mb, conv_arg);
6838 } else if (klass->blittable) {
6839 mono_mb_emit_byte (mb, CEE_LDNULL);
6840 mono_mb_emit_stloc (mb, conv_arg);
6842 mono_mb_emit_ldarg (mb, argnum);
6843 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6845 mono_mb_emit_ldarg (mb, argnum);
6846 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6847 mono_mb_emit_stloc (mb, conv_arg);
6849 mono_mb_patch_branch (mb, pos);
6852 mono_mb_emit_byte (mb, CEE_LDNULL);
6853 mono_mb_emit_stloc (mb, conv_arg);
6856 /* we dont need any conversions for out parameters */
6857 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6860 mono_mb_emit_ldarg (mb, argnum);
6861 mono_mb_emit_byte (mb, CEE_LDIND_I);
6864 mono_mb_emit_ldarg (mb, argnum);
6865 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6866 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6869 /* store the address of the source into local variable 0 */
6870 mono_mb_emit_stloc (mb, 0);
6871 mono_mb_emit_ldloc (mb, 0);
6872 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6874 /* allocate space for the native struct and store the address */
6875 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6876 mono_mb_emit_byte (mb, CEE_PREFIX1);
6877 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6878 mono_mb_emit_stloc (mb, conv_arg);
6881 /* Need to store the original buffer so we can free it later */
6882 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6883 mono_mb_emit_ldloc (mb, conv_arg);
6884 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6887 /* set the src_ptr */
6888 mono_mb_emit_ldloc (mb, 0);
6889 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6890 mono_mb_emit_stloc (mb, 0);
6893 mono_mb_emit_ldloc (mb, conv_arg);
6894 mono_mb_emit_stloc (mb, 1);
6896 /* emit valuetype conversion code */
6897 emit_struct_conv (mb, klass, FALSE);
6899 mono_mb_patch_branch (mb, pos);
6903 case MARSHAL_ACTION_CONV_OUT:
6904 if (klass == mono_defaults.stringbuilder_class) {
6906 MonoMarshalNative encoding;
6907 MonoMarshalConv conv;
6909 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6910 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6912 g_assert (encoding != -1);
6915 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
6919 mono_mb_emit_ldarg (mb, argnum);
6920 mono_mb_emit_ldloc (mb, conv_arg);
6923 case MONO_NATIVE_LPWSTR:
6924 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6926 case MONO_NATIVE_LPSTR:
6927 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6930 g_assert_not_reached ();
6933 mono_mb_emit_byte (mb, CEE_STIND_REF);
6935 mono_mb_emit_ldarg (mb, argnum);
6936 mono_mb_emit_ldloc (mb, conv_arg);
6938 mono_mb_emit_icall (mb, conv_to_icall (conv));
6942 mono_mb_emit_ldloc (mb, conv_arg);
6943 mono_mb_emit_icall (mb, mono_marshal_free);
6948 if (klass->delegate) {
6950 mono_mb_emit_ldarg (mb, argnum);
6951 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6952 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6953 mono_mb_emit_ldloc (mb, conv_arg);
6954 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6955 mono_mb_emit_byte (mb, CEE_STIND_REF);
6960 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6961 /* allocate a new object */
6962 mono_mb_emit_ldarg (mb, argnum);
6963 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6964 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6965 mono_mb_emit_byte (mb, CEE_STIND_REF);
6968 /* dst = *argument */
6969 mono_mb_emit_ldarg (mb, argnum);
6972 mono_mb_emit_byte (mb, CEE_LDIND_I);
6974 mono_mb_emit_stloc (mb, 1);
6976 mono_mb_emit_ldloc (mb, 1);
6977 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6979 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6980 mono_mb_emit_ldloc (mb, 1);
6981 mono_mb_emit_icon (mb, sizeof (MonoObject));
6982 mono_mb_emit_byte (mb, CEE_ADD);
6983 mono_mb_emit_stloc (mb, 1);
6985 /* src = tmp_locals [i] */
6986 mono_mb_emit_ldloc (mb, conv_arg);
6987 mono_mb_emit_stloc (mb, 0);
6989 /* emit valuetype conversion code */
6990 emit_struct_conv (mb, klass, TRUE);
6992 /* Free the structure returned by the native code */
6993 emit_struct_free (mb, klass, conv_arg);
6995 if (m->orig_conv_args [argnum]) {
6997 * If the native function changed the pointer, then free
6998 * the original structure plus the new pointer.
7000 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7001 mono_mb_emit_ldloc (mb, conv_arg);
7002 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7004 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7005 g_assert (m->orig_conv_args [argnum]);
7007 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7010 mono_mb_emit_ldloc (mb, conv_arg);
7011 mono_mb_emit_icall (mb, mono_marshal_free);
7013 mono_mb_patch_branch (mb, pos2);
7017 /* Free the original structure passed to native code */
7018 emit_struct_free (mb, klass, conv_arg);
7020 mono_mb_patch_branch (mb, pos);
7023 case MARSHAL_ACTION_PUSH:
7025 mono_mb_emit_ldloc_addr (mb, conv_arg);
7027 mono_mb_emit_ldloc (mb, conv_arg);
7030 case MARSHAL_ACTION_CONV_RESULT:
7031 if (klass->delegate) {
7032 g_assert (!t->byref);
7033 mono_mb_emit_stloc (mb, 0);
7034 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7035 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7036 mono_mb_emit_ldloc (mb, 0);
7037 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7038 mono_mb_emit_stloc (mb, 3);
7041 mono_mb_emit_stloc (mb, 0);
7043 /* Make a copy since emit_conv modifies local 0 */
7044 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7045 mono_mb_emit_ldloc (mb, 0);
7046 mono_mb_emit_stloc (mb, loc);
7048 mono_mb_emit_byte (mb, CEE_LDNULL);
7049 mono_mb_emit_stloc (mb, 3);
7051 mono_mb_emit_ldloc (mb, 0);
7052 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7054 /* allocate result object */
7056 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7057 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7058 mono_mb_emit_stloc (mb, 3);
7062 mono_mb_emit_ldloc (mb, 3);
7063 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7064 mono_mb_emit_stloc (mb, 1);
7066 /* emit conversion code */
7067 emit_struct_conv (mb, klass, TRUE);
7069 emit_struct_free (mb, klass, loc);
7071 /* Free the pointer allocated by unmanaged code */
7072 mono_mb_emit_ldloc (mb, loc);
7073 mono_mb_emit_icall (mb, mono_marshal_free);
7074 mono_mb_patch_branch (mb, pos);
7078 case MARSHAL_ACTION_MANAGED_CONV_IN:
7079 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7081 if (klass->delegate) {
7082 g_assert (!t->byref);
7083 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7084 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7085 mono_mb_emit_ldarg (mb, argnum);
7086 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7087 mono_mb_emit_stloc (mb, conv_arg);
7091 if (klass == mono_defaults.stringbuilder_class) {
7092 MonoMarshalNative encoding;
7094 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7097 g_assert (encoding == MONO_NATIVE_LPSTR);
7099 g_assert (!t->byref);
7100 g_assert (encoding != -1);
7102 mono_mb_emit_ldarg (mb, argnum);
7103 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7104 mono_mb_emit_stloc (mb, conv_arg);
7108 /* The class can not have an automatic layout */
7109 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7110 mono_mb_emit_auto_layout_exception (mb, klass);
7114 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7115 mono_mb_emit_byte (mb, CEE_LDNULL);
7116 mono_mb_emit_stloc (mb, conv_arg);
7121 mono_mb_emit_ldarg (mb, argnum);
7125 /* Check for NULL and raise an exception */
7126 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7128 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7130 mono_mb_patch_branch (mb, pos2);
7131 mono_mb_emit_ldarg (mb, argnum);
7132 mono_mb_emit_byte (mb, CEE_LDIND_I);
7135 mono_mb_emit_stloc (mb, 0);
7137 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7138 mono_mb_emit_stloc (mb, conv_arg);
7140 mono_mb_emit_ldloc (mb, 0);
7141 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7143 /* Create and set dst */
7144 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7145 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7146 mono_mb_emit_stloc (mb, conv_arg);
7147 mono_mb_emit_ldloc (mb, conv_arg);
7148 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7149 mono_mb_emit_stloc (mb, 1);
7151 /* emit valuetype conversion code */
7152 emit_struct_conv (mb, klass, TRUE);
7154 mono_mb_patch_branch (mb, pos);
7157 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7159 /* Check for null */
7160 mono_mb_emit_ldloc (mb, conv_arg);
7161 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7162 mono_mb_emit_ldarg (mb, argnum);
7163 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7164 mono_mb_emit_byte (mb, CEE_STIND_REF);
7165 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7167 mono_mb_patch_branch (mb, pos);
7170 mono_mb_emit_ldloc (mb, conv_arg);
7171 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7172 mono_mb_emit_stloc (mb, 0);
7174 /* Allocate and set dest */
7175 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7176 mono_mb_emit_byte (mb, CEE_CONV_I);
7177 mono_mb_emit_icall (mb, mono_marshal_alloc);
7178 mono_mb_emit_stloc (mb, 1);
7180 /* Update argument pointer */
7181 mono_mb_emit_ldarg (mb, argnum);
7182 mono_mb_emit_ldloc (mb, 1);
7183 mono_mb_emit_byte (mb, CEE_STIND_I);
7185 /* emit valuetype conversion code */
7186 emit_struct_conv (mb, klass, FALSE);
7188 mono_mb_patch_branch (mb, pos2);
7190 /* byval [Out] marshalling */
7192 /* FIXME: Handle null */
7195 mono_mb_emit_ldloc (mb, conv_arg);
7196 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7197 mono_mb_emit_stloc (mb, 0);
7200 mono_mb_emit_ldarg (mb, argnum);
7201 mono_mb_emit_stloc (mb, 1);
7203 /* emit valuetype conversion code */
7204 emit_struct_conv (mb, klass, FALSE);
7208 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7209 if (klass->delegate) {
7210 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7211 mono_mb_emit_stloc (mb, 3);
7215 /* The class can not have an automatic layout */
7216 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7217 mono_mb_emit_auto_layout_exception (mb, klass);
7221 mono_mb_emit_stloc (mb, 0);
7222 /* Check for null */
7223 mono_mb_emit_ldloc (mb, 0);
7224 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7225 mono_mb_emit_byte (mb, CEE_LDNULL);
7226 mono_mb_emit_stloc (mb, 3);
7227 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7229 mono_mb_patch_branch (mb, pos);
7232 mono_mb_emit_ldloc (mb, 0);
7233 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7234 mono_mb_emit_stloc (mb, 0);
7236 /* Allocate and set dest */
7237 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7238 mono_mb_emit_byte (mb, CEE_CONV_I);
7239 mono_mb_emit_icall (mb, mono_marshal_alloc);
7240 mono_mb_emit_byte (mb, CEE_DUP);
7241 mono_mb_emit_stloc (mb, 1);
7242 mono_mb_emit_stloc (mb, 3);
7244 emit_struct_conv (mb, klass, FALSE);
7246 mono_mb_patch_branch (mb, pos2);
7250 g_assert_not_reached ();
7261 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7262 MonoMarshalSpec *spec,
7263 int conv_arg, MonoType **conv_arg_type,
7264 MarshalAction action)
7266 MonoMethodBuilder *mb = m->mb;
7267 static MonoMethod *get_object_for_native_variant = NULL;
7268 static MonoMethod *get_native_variant_for_object = NULL;
7270 mono_init_com_types ();
7272 if (!get_object_for_native_variant)
7273 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7274 g_assert (get_object_for_native_variant);
7276 if (!get_native_variant_for_object)
7277 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7278 g_assert (get_native_variant_for_object);
7281 case MARSHAL_ACTION_CONV_IN: {
7282 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
7285 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7287 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7289 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7292 mono_mb_emit_ldarg (mb, argnum);
7294 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7295 mono_mb_emit_ldloc_addr (mb, conv_arg);
7296 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7300 case MARSHAL_ACTION_CONV_OUT: {
7301 static MonoMethod *variant_clear = NULL;
7304 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
7305 g_assert (variant_clear);
7308 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7309 mono_mb_emit_ldarg (mb, argnum);
7310 mono_mb_emit_ldloc_addr (mb, conv_arg);
7311 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7312 mono_mb_emit_byte (mb, CEE_STIND_REF);
7315 mono_mb_emit_ldloc_addr (mb, conv_arg);
7316 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7320 case MARSHAL_ACTION_PUSH:
7322 mono_mb_emit_ldloc_addr (mb, conv_arg);
7324 mono_mb_emit_ldloc (mb, conv_arg);
7327 case MARSHAL_ACTION_CONV_RESULT: {
7328 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7329 mono_mb_emit_exception_marshal_directive (mb, msg);
7333 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7334 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7337 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7339 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7341 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7345 mono_mb_emit_ldarg (mb, argnum);
7347 mono_mb_emit_ldarg_addr (mb, argnum);
7348 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7349 mono_mb_emit_stloc (mb, conv_arg);
7353 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7354 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7355 mono_mb_emit_ldloc (mb, conv_arg);
7356 mono_mb_emit_ldarg (mb, argnum);
7357 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7362 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7363 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7364 mono_mb_emit_exception_marshal_directive (mb, msg);
7369 g_assert_not_reached ();
7375 #endif /* DISABLE_COM */
7376 #endif /* DISABLE_JIT */
7379 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7381 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7382 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7384 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7386 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7398 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7399 MonoMarshalSpec *spec,
7400 int conv_arg, MonoType **conv_arg_type,
7401 MarshalAction action)
7405 case MARSHAL_ACTION_CONV_IN:
7406 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7408 case MARSHAL_ACTION_MANAGED_CONV_IN:
7409 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7413 MonoMethodBuilder *mb = m->mb;
7414 MonoClass *klass = mono_class_from_mono_type (t);
7415 gboolean need_convert, need_free;
7416 MonoMarshalNative encoding;
7418 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7421 case MARSHAL_ACTION_CONV_IN:
7422 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7423 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7425 if (klass->element_class->blittable) {
7426 mono_mb_emit_ldarg (mb, argnum);
7428 mono_mb_emit_byte (mb, CEE_LDIND_I);
7429 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7430 mono_mb_emit_stloc (mb, conv_arg);
7433 guint32 label1, label2, label3;
7434 int index_var, src_var, dest_ptr, esize;
7435 MonoMarshalConv conv;
7436 gboolean is_string = FALSE;
7438 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7440 eklass = klass->element_class;
7442 if (eklass == mono_defaults.string_class) {
7444 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7446 else if (eklass == mono_defaults.stringbuilder_class) {
7448 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7453 if (is_string && conv == -1) {
7454 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7455 mono_mb_emit_exception_marshal_directive (mb, msg);
7459 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7460 mono_mb_emit_ldarg (mb, argnum);
7462 mono_mb_emit_byte (mb, CEE_LDIND_I);
7463 mono_mb_emit_stloc (mb, src_var);
7466 mono_mb_emit_ldloc (mb, src_var);
7467 mono_mb_emit_stloc (mb, conv_arg);
7468 mono_mb_emit_ldloc (mb, src_var);
7469 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7472 esize = sizeof (gpointer);
7473 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7474 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7476 esize = mono_class_native_size (eklass, NULL);
7478 /* allocate space for the native struct and store the address */
7479 mono_mb_emit_icon (mb, esize);
7480 mono_mb_emit_ldloc (mb, src_var);
7481 mono_mb_emit_byte (mb, CEE_LDLEN);
7483 if (eklass == mono_defaults.string_class) {
7484 /* Make the array bigger for the terminating null */
7485 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7486 mono_mb_emit_byte (mb, CEE_ADD);
7488 mono_mb_emit_byte (mb, CEE_MUL);
7489 mono_mb_emit_byte (mb, CEE_PREFIX1);
7490 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7491 mono_mb_emit_stloc (mb, conv_arg);
7493 mono_mb_emit_ldloc (mb, conv_arg);
7494 mono_mb_emit_stloc (mb, dest_ptr);
7496 /* Emit marshalling loop */
7497 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7498 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7499 mono_mb_emit_stloc (mb, index_var);
7500 label2 = mono_mb_get_label (mb);
7501 mono_mb_emit_ldloc (mb, index_var);
7502 mono_mb_emit_ldloc (mb, src_var);
7503 mono_mb_emit_byte (mb, CEE_LDLEN);
7504 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7506 /* Emit marshalling code */
7509 mono_mb_emit_ldloc (mb, dest_ptr);
7510 mono_mb_emit_ldloc (mb, src_var);
7511 mono_mb_emit_ldloc (mb, index_var);
7512 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7513 mono_mb_emit_icall (mb, conv_to_icall (conv));
7514 mono_mb_emit_byte (mb, CEE_STIND_I);
7516 /* set the src_ptr */
7517 mono_mb_emit_ldloc (mb, src_var);
7518 mono_mb_emit_ldloc (mb, index_var);
7519 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7520 mono_mb_emit_stloc (mb, 0);
7523 mono_mb_emit_ldloc (mb, dest_ptr);
7524 mono_mb_emit_stloc (mb, 1);
7526 /* emit valuetype conversion code */
7527 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7530 mono_mb_emit_add_to_local (mb, index_var, 1);
7531 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7533 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7535 mono_mb_patch_branch (mb, label3);
7537 if (eklass == mono_defaults.string_class) {
7538 /* Null terminate */
7539 mono_mb_emit_ldloc (mb, dest_ptr);
7540 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7541 mono_mb_emit_byte (mb, CEE_STIND_REF);
7544 mono_mb_patch_branch (mb, label1);
7549 case MARSHAL_ACTION_CONV_OUT:
7550 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7551 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);
7552 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7555 if (need_convert || need_free) {
7556 /* FIXME: Optimize blittable case */
7558 guint32 label1, label2, label3;
7559 int index_var, src_ptr, loc, esize;
7561 eklass = klass->element_class;
7562 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7563 esize = sizeof (gpointer);
7564 else if (eklass == mono_defaults.char_class)
7565 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7567 esize = mono_class_native_size (eklass, NULL);
7568 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7569 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7572 mono_mb_emit_ldarg (mb, argnum);
7574 mono_mb_emit_byte (mb, CEE_LDIND_I);
7575 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7577 mono_mb_emit_ldloc (mb, conv_arg);
7578 mono_mb_emit_stloc (mb, src_ptr);
7580 /* Emit marshalling loop */
7581 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7582 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7583 mono_mb_emit_stloc (mb, index_var);
7584 label2 = mono_mb_get_label (mb);
7585 mono_mb_emit_ldloc (mb, index_var);
7586 mono_mb_emit_ldarg (mb, argnum);
7588 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7589 mono_mb_emit_byte (mb, CEE_LDLEN);
7590 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7592 /* Emit marshalling code */
7594 if (eklass == mono_defaults.stringbuilder_class) {
7595 gboolean need_free2;
7596 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7598 g_assert (conv != -1);
7601 mono_mb_emit_ldarg (mb, argnum);
7603 mono_mb_emit_byte (mb, CEE_LDIND_I);
7604 mono_mb_emit_ldloc (mb, index_var);
7605 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7608 mono_mb_emit_ldloc (mb, src_ptr);
7609 mono_mb_emit_byte (mb, CEE_LDIND_I);
7611 mono_mb_emit_icall (mb, conv_to_icall (conv));
7615 mono_mb_emit_ldloc (mb, src_ptr);
7616 mono_mb_emit_byte (mb, CEE_LDIND_I);
7618 mono_mb_emit_icall (mb, mono_marshal_free);
7621 else if (eklass == mono_defaults.string_class) {
7624 mono_mb_emit_ldloc (mb, src_ptr);
7625 mono_mb_emit_byte (mb, CEE_LDIND_I);
7627 mono_mb_emit_icall (mb, mono_marshal_free);
7632 /* set the src_ptr */
7633 mono_mb_emit_ldloc (mb, src_ptr);
7634 mono_mb_emit_stloc (mb, 0);
7637 mono_mb_emit_ldarg (mb, argnum);
7639 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7640 mono_mb_emit_ldloc (mb, index_var);
7641 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7642 mono_mb_emit_stloc (mb, 1);
7644 /* emit valuetype conversion code */
7645 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7649 mono_mb_emit_ldloc (mb, src_ptr);
7650 mono_mb_emit_stloc (mb, loc);
7651 mono_mb_emit_ldloc (mb, loc);
7653 emit_struct_free (mb, eklass, loc);
7657 mono_mb_emit_add_to_local (mb, index_var, 1);
7658 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7660 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7662 mono_mb_patch_branch (mb, label1);
7663 mono_mb_patch_branch (mb, label3);
7666 if (klass->element_class->blittable) {
7667 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7669 mono_mb_emit_ldarg (mb, argnum);
7670 mono_mb_emit_ldloc (mb, conv_arg);
7671 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7676 case MARSHAL_ACTION_PUSH:
7678 mono_mb_emit_ldloc_addr (mb, conv_arg);
7680 mono_mb_emit_ldloc (mb, conv_arg);
7683 case MARSHAL_ACTION_CONV_RESULT:
7684 /* fixme: we need conversions here */
7685 mono_mb_emit_stloc (mb, 3);
7688 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7690 guint32 label1, label2, label3;
7691 int index_var, src_ptr, loc, esize, param_num, num_elem;
7692 MonoMarshalConv conv;
7693 gboolean is_string = FALSE;
7695 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7696 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7699 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7700 mono_mb_emit_exception_marshal_directive (mb, msg);
7704 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7705 mono_mb_emit_exception_marshal_directive (mb, msg);
7708 if (spec->native != MONO_NATIVE_LPARRAY) {
7709 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7710 mono_mb_emit_exception_marshal_directive (mb, msg);
7714 /* FIXME: t is from the method which is wrapped, not the delegate type */
7715 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7717 param_num = spec->data.array_data.param_num;
7718 num_elem = spec->data.array_data.num_elem;
7719 if (spec->data.array_data.elem_mult == 0)
7720 /* param_num is not specified */
7723 if (param_num == -1) {
7724 if (num_elem <= 0) {
7725 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7726 mono_mb_emit_exception_marshal_directive (mb, msg);
7731 /* FIXME: Optimize blittable case */
7733 eklass = klass->element_class;
7734 if (eklass == mono_defaults.string_class) {
7736 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7738 else if (eklass == mono_defaults.stringbuilder_class) {
7740 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7745 mono_marshal_load_type_info (eklass);
7748 esize = sizeof (gpointer);
7750 esize = mono_class_native_size (eklass, NULL);
7751 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7752 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7754 mono_mb_emit_byte (mb, CEE_LDNULL);
7755 mono_mb_emit_stloc (mb, conv_arg);
7757 /* Check param index */
7758 if (param_num != -1) {
7759 if (param_num >= m->sig->param_count) {
7760 char *msg = g_strdup ("Array size control parameter index is out of range.");
7761 mono_mb_emit_exception_marshal_directive (mb, msg);
7764 switch (m->sig->params [param_num]->type) {
7777 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7778 mono_mb_emit_exception_marshal_directive (mb, msg);
7785 mono_mb_emit_ldarg (mb, argnum);
7786 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7788 mono_mb_emit_ldarg (mb, argnum);
7789 mono_mb_emit_stloc (mb, src_ptr);
7791 /* Create managed array */
7793 * The LPArray marshalling spec says that sometimes param_num starts
7794 * from 1, sometimes it starts from 0. But MS seems to allways start
7798 if (param_num == -1) {
7799 mono_mb_emit_icon (mb, num_elem);
7801 mono_mb_emit_ldarg (mb, param_num);
7803 mono_mb_emit_icon (mb, num_elem);
7804 mono_mb_emit_byte (mb, CEE_ADD);
7806 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7809 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7810 mono_mb_emit_stloc (mb, conv_arg);
7812 if (eklass->blittable) {
7813 mono_mb_emit_ldloc (mb, conv_arg);
7814 mono_mb_emit_byte (mb, CEE_CONV_I);
7815 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7816 mono_mb_emit_byte (mb, CEE_ADD);
7817 mono_mb_emit_ldarg (mb, argnum);
7818 mono_mb_emit_ldloc (mb, conv_arg);
7819 mono_mb_emit_byte (mb, CEE_LDLEN);
7820 mono_mb_emit_icon (mb, esize);
7821 mono_mb_emit_byte (mb, CEE_MUL);
7822 mono_mb_emit_byte (mb, CEE_PREFIX1);
7823 mono_mb_emit_byte (mb, CEE_CPBLK);
7827 /* Emit marshalling loop */
7828 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7829 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7830 mono_mb_emit_stloc (mb, index_var);
7831 label2 = mono_mb_get_label (mb);
7832 mono_mb_emit_ldloc (mb, index_var);
7833 mono_mb_emit_ldloc (mb, conv_arg);
7834 mono_mb_emit_byte (mb, CEE_LDLEN);
7835 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7837 /* Emit marshalling code */
7839 g_assert (conv != -1);
7841 mono_mb_emit_ldloc (mb, conv_arg);
7842 mono_mb_emit_ldloc (mb, index_var);
7844 mono_mb_emit_ldloc (mb, src_ptr);
7845 mono_mb_emit_byte (mb, CEE_LDIND_I);
7847 mono_mb_emit_icall (mb, conv_to_icall (conv));
7848 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7851 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7852 mono_mb_emit_exception_marshal_directive (mb, msg);
7856 mono_mb_emit_add_to_local (mb, index_var, 1);
7857 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7859 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7861 mono_mb_patch_branch (mb, label1);
7862 mono_mb_patch_branch (mb, label3);
7866 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7868 guint32 label1, label2, label3;
7869 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7870 MonoMarshalConv conv;
7871 gboolean is_string = FALSE;
7874 /* Already handled in CONV_IN */
7877 /* These are already checked in CONV_IN */
7878 g_assert (!t->byref);
7879 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7880 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7882 param_num = spec->data.array_data.param_num;
7883 num_elem = spec->data.array_data.num_elem;
7885 if (spec->data.array_data.elem_mult == 0)
7886 /* param_num is not specified */
7889 if (param_num == -1) {
7890 if (num_elem <= 0) {
7891 g_assert_not_reached ();
7895 /* FIXME: Optimize blittable case */
7897 eklass = klass->element_class;
7898 if (eklass == mono_defaults.string_class) {
7900 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7902 else if (eklass == mono_defaults.stringbuilder_class) {
7904 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7909 mono_marshal_load_type_info (eklass);
7912 esize = sizeof (gpointer);
7914 esize = mono_class_native_size (eklass, NULL);
7916 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7917 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7920 mono_mb_emit_ldloc (mb, conv_arg);
7921 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7923 mono_mb_emit_ldarg (mb, argnum);
7924 mono_mb_emit_stloc (mb, dest_ptr);
7926 if (eklass->blittable) {
7928 mono_mb_emit_ldarg (mb, argnum);
7930 mono_mb_emit_ldloc (mb, conv_arg);
7931 mono_mb_emit_byte (mb, CEE_CONV_I);
7932 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7933 mono_mb_emit_byte (mb, CEE_ADD);
7935 mono_mb_emit_ldloc (mb, conv_arg);
7936 mono_mb_emit_byte (mb, CEE_LDLEN);
7937 mono_mb_emit_icon (mb, esize);
7938 mono_mb_emit_byte (mb, CEE_MUL);
7939 mono_mb_emit_byte (mb, CEE_PREFIX1);
7940 mono_mb_emit_byte (mb, CEE_CPBLK);
7944 /* Emit marshalling loop */
7945 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7946 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7947 mono_mb_emit_stloc (mb, index_var);
7948 label2 = mono_mb_get_label (mb);
7949 mono_mb_emit_ldloc (mb, index_var);
7950 mono_mb_emit_ldloc (mb, conv_arg);
7951 mono_mb_emit_byte (mb, CEE_LDLEN);
7952 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7954 /* Emit marshalling code */
7956 g_assert (conv != -1);
7959 mono_mb_emit_ldloc (mb, dest_ptr);
7962 mono_mb_emit_ldloc (mb, conv_arg);
7963 mono_mb_emit_ldloc (mb, index_var);
7965 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7967 mono_mb_emit_icall (mb, conv_to_icall (conv));
7968 mono_mb_emit_byte (mb, CEE_STIND_I);
7971 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7972 mono_mb_emit_exception_marshal_directive (mb, msg);
7976 mono_mb_emit_add_to_local (mb, index_var, 1);
7977 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7979 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7981 mono_mb_patch_branch (mb, label1);
7982 mono_mb_patch_branch (mb, label3);
7986 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7988 guint32 label1, label2, label3;
7989 int index_var, src, dest, esize;
7990 MonoMarshalConv conv = -1;
7991 gboolean is_string = FALSE;
7993 g_assert (!t->byref);
7995 eklass = klass->element_class;
7997 mono_marshal_load_type_info (eklass);
7999 if (eklass == mono_defaults.string_class) {
8001 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8004 g_assert_not_reached ();
8008 esize = sizeof (gpointer);
8009 else if (eklass == mono_defaults.char_class)
8010 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8012 esize = mono_class_native_size (eklass, NULL);
8014 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8015 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8017 mono_mb_emit_stloc (mb, src);
8018 mono_mb_emit_ldloc (mb, src);
8019 mono_mb_emit_stloc (mb, 3);
8021 /* Check for null */
8022 mono_mb_emit_ldloc (mb, src);
8023 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8025 /* Allocate native array */
8026 mono_mb_emit_icon (mb, esize);
8027 mono_mb_emit_ldloc (mb, src);
8028 mono_mb_emit_byte (mb, CEE_LDLEN);
8030 if (eklass == mono_defaults.string_class) {
8031 /* Make the array bigger for the terminating null */
8032 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8033 mono_mb_emit_byte (mb, CEE_ADD);
8035 mono_mb_emit_byte (mb, CEE_MUL);
8036 mono_mb_emit_icall (mb, mono_marshal_alloc);
8037 mono_mb_emit_stloc (mb, dest);
8038 mono_mb_emit_ldloc (mb, dest);
8039 mono_mb_emit_stloc (mb, 3);
8041 /* Emit marshalling loop */
8042 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8043 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8044 mono_mb_emit_stloc (mb, index_var);
8045 label2 = mono_mb_get_label (mb);
8046 mono_mb_emit_ldloc (mb, index_var);
8047 mono_mb_emit_ldloc (mb, src);
8048 mono_mb_emit_byte (mb, CEE_LDLEN);
8049 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8051 /* Emit marshalling code */
8053 g_assert (conv != -1);
8056 mono_mb_emit_ldloc (mb, dest);
8059 mono_mb_emit_ldloc (mb, src);
8060 mono_mb_emit_ldloc (mb, index_var);
8062 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8064 mono_mb_emit_icall (mb, conv_to_icall (conv));
8065 mono_mb_emit_byte (mb, CEE_STIND_I);
8068 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8069 mono_mb_emit_exception_marshal_directive (mb, msg);
8073 mono_mb_emit_add_to_local (mb, index_var, 1);
8074 mono_mb_emit_add_to_local (mb, dest, esize);
8076 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8078 mono_mb_patch_branch (mb, label3);
8079 mono_mb_patch_branch (mb, label1);
8083 g_assert_not_reached ();
8090 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8093 return &mono_defaults.int32_class->byval_arg;
8095 switch (spec->native) {
8096 case MONO_NATIVE_I1:
8097 case MONO_NATIVE_U1:
8098 return &mono_defaults.byte_class->byval_arg;
8099 case MONO_NATIVE_VARIANTBOOL:
8100 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8101 return &mono_defaults.int16_class->byval_arg;
8102 case MONO_NATIVE_BOOLEAN:
8103 return &mono_defaults.int32_class->byval_arg;
8105 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8106 return &mono_defaults.int32_class->byval_arg;
8112 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8114 MonoClass* conv_arg_class = mono_defaults.int32_class;
8116 switch (spec->native) {
8117 case MONO_NATIVE_I1:
8118 case MONO_NATIVE_U1:
8119 conv_arg_class = mono_defaults.byte_class;
8120 if (ldop) *ldop = CEE_LDIND_I1;
8122 case MONO_NATIVE_VARIANTBOOL:
8123 conv_arg_class = mono_defaults.int16_class;
8124 if (ldop) *ldop = CEE_LDIND_I2;
8126 case MONO_NATIVE_BOOLEAN:
8129 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8132 return conv_arg_class;
8136 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8137 MonoMarshalSpec *spec,
8138 int conv_arg, MonoType **conv_arg_type,
8139 MarshalAction action)
8143 case MARSHAL_ACTION_CONV_IN:
8145 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8147 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8150 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8151 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8153 *conv_arg_type = &conv_arg_class->this_arg;
8155 *conv_arg_type = &conv_arg_class->byval_arg;
8161 MonoMethodBuilder *mb = m->mb;
8164 case MARSHAL_ACTION_CONV_IN: {
8165 MonoType *local_type;
8167 guint8 ldc_op = CEE_LDC_I4_1;
8169 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8171 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8173 *conv_arg_type = local_type;
8174 conv_arg = mono_mb_add_local (mb, local_type);
8176 mono_mb_emit_ldarg (mb, argnum);
8178 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8179 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8180 mono_mb_emit_byte (mb, ldc_op);
8181 mono_mb_emit_stloc (mb, conv_arg);
8182 mono_mb_patch_branch (mb, label_false);
8187 case MARSHAL_ACTION_CONV_OUT:
8189 int label_false, label_end;
8193 mono_mb_emit_ldarg (mb, argnum);
8194 mono_mb_emit_ldloc (mb, conv_arg);
8196 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8197 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8199 label_end = mono_mb_emit_branch (mb, CEE_BR);
8200 mono_mb_patch_branch (mb, label_false);
8201 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8202 mono_mb_patch_branch (mb, label_end);
8204 mono_mb_emit_byte (mb, CEE_STIND_I1);
8208 case MARSHAL_ACTION_PUSH:
8210 mono_mb_emit_ldloc_addr (mb, conv_arg);
8212 mono_mb_emit_ldloc (mb, conv_arg);
8214 mono_mb_emit_ldarg (mb, argnum);
8217 case MARSHAL_ACTION_CONV_RESULT:
8218 /* maybe we need to make sure that it fits within 8 bits */
8219 mono_mb_emit_stloc (mb, 3);
8222 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8223 MonoClass* conv_arg_class = mono_defaults.int32_class;
8224 guint8 ldop = CEE_LDIND_I4;
8225 int label_null, label_false;
8227 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8228 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8231 *conv_arg_type = &conv_arg_class->this_arg;
8233 *conv_arg_type = &conv_arg_class->byval_arg;
8236 mono_mb_emit_ldarg (mb, argnum);
8240 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8241 mono_mb_emit_ldarg (mb, argnum);
8242 mono_mb_emit_byte (mb, ldop);
8246 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8247 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8248 mono_mb_emit_stloc (mb, conv_arg);
8249 mono_mb_patch_branch (mb, label_false);
8252 mono_mb_patch_branch (mb, label_null);
8256 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8257 guint8 stop = CEE_STIND_I4;
8258 guint8 ldc_op = CEE_LDC_I4_1;
8259 int label_null,label_false, label_end;;
8264 switch (spec->native) {
8265 case MONO_NATIVE_I1:
8266 case MONO_NATIVE_U1:
8267 stop = CEE_STIND_I1;
8269 case MONO_NATIVE_VARIANTBOOL:
8270 stop = CEE_STIND_I2;
8271 ldc_op = CEE_LDC_I4_M1;
8279 mono_mb_emit_ldarg (mb, argnum);
8280 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8282 mono_mb_emit_ldarg (mb, argnum);
8283 mono_mb_emit_ldloc (mb, conv_arg);
8285 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8286 mono_mb_emit_byte (mb, ldc_op);
8287 label_end = mono_mb_emit_branch (mb, CEE_BR);
8289 mono_mb_patch_branch (mb, label_false);
8290 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8291 mono_mb_patch_branch (mb, label_end);
8293 mono_mb_emit_byte (mb, stop);
8294 mono_mb_patch_branch (mb, label_null);
8299 g_assert_not_reached ();
8306 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8307 MonoMarshalSpec *spec, int conv_arg,
8308 MonoType **conv_arg_type, MarshalAction action)
8311 MonoMethodBuilder *mb = m->mb;
8314 case MARSHAL_ACTION_CONV_IN:
8315 /* MS seems to allow this in some cases, ie. bxc #158 */
8317 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8318 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8319 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8324 case MARSHAL_ACTION_PUSH:
8325 mono_mb_emit_ldarg (mb, argnum);
8328 case MARSHAL_ACTION_CONV_RESULT:
8329 /* no conversions necessary */
8330 mono_mb_emit_stloc (mb, 3);
8341 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8342 MonoMarshalSpec *spec, int conv_arg,
8343 MonoType **conv_arg_type, MarshalAction action)
8346 MonoMethodBuilder *mb = m->mb;
8349 case MARSHAL_ACTION_PUSH:
8350 /* fixme: dont know how to marshal that. We cant simply
8351 * convert it to a one byte UTF8 character, because an
8352 * unicode character may need more that one byte in UTF8 */
8353 mono_mb_emit_ldarg (mb, argnum);
8356 case MARSHAL_ACTION_CONV_RESULT:
8357 /* fixme: we need conversions here */
8358 mono_mb_emit_stloc (mb, 3);
8369 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8370 MonoMarshalSpec *spec, int conv_arg,
8371 MonoType **conv_arg_type, MarshalAction action)
8374 MonoMethodBuilder *mb = m->mb;
8377 case MARSHAL_ACTION_PUSH:
8378 mono_mb_emit_ldarg (mb, argnum);
8381 case MARSHAL_ACTION_CONV_RESULT:
8382 /* no conversions necessary */
8383 mono_mb_emit_stloc (mb, 3);
8394 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8395 MonoMarshalSpec *spec, int conv_arg,
8396 MonoType **conv_arg_type, MarshalAction action)
8398 /* Ensure that we have marshalling info for this param */
8399 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8401 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8402 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8404 if (spec && spec->native == MONO_NATIVE_ASANY)
8405 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8408 case MONO_TYPE_VALUETYPE:
8409 if (t->data.klass == mono_defaults.handleref_class)
8410 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8412 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8413 case MONO_TYPE_STRING:
8414 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8415 case MONO_TYPE_CLASS:
8416 case MONO_TYPE_OBJECT:
8418 if (spec && spec->native == MONO_NATIVE_STRUCT)
8419 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8421 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8422 spec->native == MONO_NATIVE_IDISPATCH ||
8423 spec->native == MONO_NATIVE_INTERFACE))
8424 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8425 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8426 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8427 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8428 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8431 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8432 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8433 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8435 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8436 case MONO_TYPE_ARRAY:
8437 case MONO_TYPE_SZARRAY:
8438 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8439 case MONO_TYPE_BOOLEAN:
8440 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8442 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8443 case MONO_TYPE_CHAR:
8444 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8457 case MONO_TYPE_FNPTR:
8458 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8459 case MONO_TYPE_GENERICINST:
8460 if (mono_type_generic_inst_is_valuetype (t))
8461 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8463 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8470 * mono_marshal_emit_native_wrapper:
8471 * @image: the image to use for looking up custom marshallers
8472 * @sig: The signature of the native function
8473 * @piinfo: Marshalling information
8474 * @mspecs: Marshalling information
8475 * @aot: whenever the created method will be compiled by the AOT compiler
8476 * @method: if non-NULL, the pinvoke method to call
8477 * @check_exceptions: Whenever to check for pending exceptions after the native call
8478 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8480 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8483 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)
8485 EmitMarshalContext m;
8486 MonoMethodSignature *csig;
8488 int i, argnum, *tmp_locals;
8489 int type, param_shift = 0;
8490 static MonoMethodSignature *get_last_error_sig = NULL;
8495 /* we copy the signature, so that we can set pinvoke to 0 */
8497 /* The function address is passed as the first argument */
8498 g_assert (!sig->hasthis);
8501 csig = signature_dup (mb->method->klass->image, sig);
8509 /* we allocate local for use with emit_struct_conv() */
8510 /* allocate local 0 (pointer) src_ptr */
8511 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8512 /* allocate local 1 (pointer) dst_ptr */
8513 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8514 /* allocate local 2 (boolean) delete_old */
8515 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8517 /* delete_old = FALSE */
8518 mono_mb_emit_icon (mb, 0);
8519 mono_mb_emit_stloc (mb, 2);
8521 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8522 /* allocate local 3 to store the return value */
8523 mono_mb_add_local (mb, sig->ret);
8526 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8527 /* Return type custom marshaling */
8529 * Since we can't determine the return type of the unmanaged function,
8530 * we assume it returns a pointer, and pass that pointer to
8531 * MarshalNativeToManaged.
8533 csig->ret = &mono_defaults.int_class->byval_arg;
8536 /* we first do all conversions */
8537 tmp_locals = alloca (sizeof (int) * sig->param_count);
8538 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8540 for (i = 0; i < sig->param_count; i ++) {
8541 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8544 /* push all arguments */
8547 mono_mb_emit_byte (mb, CEE_LDARG_0);
8549 for (i = 0; i < sig->param_count; i++) {
8550 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8553 /* call the native method */
8555 mono_mb_emit_byte (mb, CEE_LDARG_0);
8556 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8557 mono_mb_emit_byte (mb, CEE_LDIND_I);
8558 mono_mb_emit_calli (mb, csig);
8559 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8561 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8563 g_assert_not_reached ();
8568 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8569 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8570 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8571 mono_mb_emit_calli (mb, csig);
8573 mono_mb_emit_native_call (mb, csig, func);
8577 /* Set LastError if needed */
8578 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8579 if (!get_last_error_sig) {
8580 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8581 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8582 get_last_error_sig->pinvoke = 1;
8587 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8588 * clobber its value.
8590 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8591 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8593 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8597 /* convert the result */
8598 if (!sig->ret->byref) {
8599 MonoMarshalSpec *spec = mspecs [0];
8600 type = sig->ret->type;
8602 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8603 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8608 case MONO_TYPE_VOID:
8610 case MONO_TYPE_VALUETYPE:
8611 klass = sig->ret->data.klass;
8612 if (klass->enumtype) {
8613 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8616 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8630 case MONO_TYPE_FNPTR:
8631 case MONO_TYPE_STRING:
8632 case MONO_TYPE_CLASS:
8633 case MONO_TYPE_OBJECT:
8634 case MONO_TYPE_BOOLEAN:
8635 case MONO_TYPE_ARRAY:
8636 case MONO_TYPE_SZARRAY:
8637 case MONO_TYPE_CHAR:
8639 case MONO_TYPE_GENERICINST:
8640 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8642 case MONO_TYPE_TYPEDBYREF:
8644 g_warning ("return type 0x%02x unknown", sig->ret->type);
8645 g_assert_not_reached ();
8649 mono_mb_emit_stloc (mb, 3);
8653 * Need to call this after converting the result since MONO_VTADDR needs
8654 * to be adjacent to the call instruction.
8656 if (check_exceptions)
8657 emit_thread_interrupt_checkpoint (mb);
8659 /* we need to convert byref arguments back and free string arrays */
8660 for (i = 0; i < sig->param_count; i++) {
8661 MonoType *t = sig->params [i];
8662 MonoMarshalSpec *spec = mspecs [i + 1];
8664 argnum = i + param_shift;
8666 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8667 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8672 case MONO_TYPE_STRING:
8673 case MONO_TYPE_VALUETYPE:
8674 case MONO_TYPE_CLASS:
8675 case MONO_TYPE_OBJECT:
8676 case MONO_TYPE_SZARRAY:
8677 case MONO_TYPE_BOOLEAN:
8678 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8683 if (!MONO_TYPE_IS_VOID(sig->ret))
8684 mono_mb_emit_ldloc (mb, 3);
8686 mono_mb_emit_byte (mb, CEE_RET);
8688 #endif /* DISABLE_JIT */
8691 G_GNUC_UNUSED static void
8692 code_for (MonoMethod *method) {
8693 MonoMethodHeader *header = mono_method_get_header (method);
8694 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));
8698 * mono_marshal_get_native_wrapper:
8699 * @method: The MonoMethod to wrap.
8700 * @check_exceptions: Whenever to check for pending exceptions
8702 * generates IL code for the pinvoke wrapper (the generated method
8703 * calls the unmanaged code in piinfo->addr)
8704 * The wrapper info for the wrapper is a WrapperInfo structure.
8707 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8709 MonoMethodSignature *sig, *csig;
8710 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8711 MonoMethodBuilder *mb;
8712 MonoMarshalSpec **mspecs;
8715 gboolean pinvoke = FALSE;
8718 const char *exc_class = "MissingMethodException";
8719 const char *exc_arg = NULL;
8722 g_assert (method != NULL);
8723 g_assert (mono_method_signature (method)->pinvoke);
8726 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8728 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8729 if ((res = mono_marshal_find_in_cache (cache, method)))
8732 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8734 return mono_cominterop_get_native_wrapper (method);
8736 g_assert_not_reached ();
8740 sig = mono_method_signature (method);
8742 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8743 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8746 if (!piinfo->addr) {
8748 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8749 exc_arg = "Method contains unsupported native code";
8751 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8753 piinfo->addr = mono_lookup_internal_call (method);
8756 /* hack - redirect certain string constructors to CreateString */
8757 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8758 g_assert (!pinvoke);
8759 g_assert (method->string_ctor);
8760 g_assert (sig->hasthis);
8762 /* CreateString returns a value */
8763 csig = signature_dup (method->klass->image, sig);
8764 csig->ret = &mono_defaults.string_class->byval_arg;
8768 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8769 if (!strcmp ("CreateString", res->name) &&
8770 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8773 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8774 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8776 /* create a wrapper to preserve .ctor in stack trace */
8777 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8780 mono_mb_emit_byte (mb, CEE_LDARG_0);
8781 for (i = 1; i <= csig->param_count; i++)
8782 mono_mb_emit_ldarg (mb, i);
8783 mono_mb_emit_managed_call (mb, res, NULL);
8784 mono_mb_emit_byte (mb, CEE_RET);
8787 /* use native_wrapper_cache because internal calls are looked up there */
8788 res = mono_mb_create_and_cache (cache, method,
8789 mb, csig, csig->param_count + 1);
8793 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8794 info->d.string_ctor.method = method;
8796 mono_marshal_set_wrapper_info (res, info);
8802 /* exception will be thrown */
8803 piinfo->addr = NULL;
8804 g_warning ("cannot find CreateString for .ctor");
8807 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8809 mb->method->save_lmf = 1;
8812 * In AOT mode and embedding scenarios, it is possible that the icall is not
8813 * registered in the runtime doing the AOT compilation.
8815 if (!piinfo->addr && !aot) {
8817 mono_mb_emit_exception (mb, exc_class, exc_arg);
8819 csig = signature_dup (method->klass->image, sig);
8821 res = mono_mb_create_and_cache (cache, method,
8822 mb, csig, csig->param_count + 16);
8825 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8826 info->d.managed_to_native.method = method;
8827 mono_marshal_set_wrapper_info (res, info);
8832 /* internal calls: we simply push all arguments and call the method (no conversions) */
8833 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8835 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8837 csig = signature_dup (method->klass->image, sig);
8839 /* hack - string constructors returns a value */
8840 if (method->string_ctor)
8841 csig->ret = &mono_defaults.string_class->byval_arg;
8848 * Add a null check since public icalls can be called with 'call' which
8849 * does no such check.
8851 mono_mb_emit_byte (mb, CEE_LDARG_0);
8852 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8853 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8854 mono_mb_patch_branch (mb, pos);
8856 mono_mb_emit_byte (mb, CEE_LDARG_0);
8859 for (i = 0; i < sig->param_count; i++)
8860 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8863 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8864 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8865 mono_mb_emit_calli (mb, csig);
8867 g_assert (piinfo->addr);
8868 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8870 if (check_exceptions)
8871 emit_thread_interrupt_checkpoint (mb);
8872 mono_mb_emit_byte (mb, CEE_RET);
8875 csig = signature_dup (method->klass->image, csig);
8877 res = mono_mb_create_and_cache (cache, method,
8878 mb, csig, csig->param_count + 16);
8880 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8881 info->d.managed_to_native.method = method;
8882 mono_marshal_set_wrapper_info (res, info);
8890 g_assert (piinfo->addr);
8893 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8894 mono_method_get_marshal_info (method, mspecs);
8896 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8899 csig = signature_dup (method->klass->image, sig);
8901 res = mono_mb_create_and_cache (cache, method,
8902 mb, csig, csig->param_count + 16);
8905 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8906 info->d.managed_to_native.method = method;
8907 mono_marshal_set_wrapper_info (res, info);
8910 for (i = sig->param_count; i >= 0; i--)
8912 mono_metadata_free_marshal_spec (mspecs [i]);
8916 /* code_for (res); */
8922 * mono_marshal_get_native_func_wrapper:
8923 * @image: The image to use for memory allocation and for looking up custom marshallers.
8924 * @sig: The signature of the function
8925 * @func: The native function to wrap
8927 * Returns a wrapper method around native functions, similar to the pinvoke
8931 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8932 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8934 MonoMethodSignature *csig;
8936 MonoMethodBuilder *mb;
8941 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8942 if ((res = mono_marshal_find_in_cache (cache, func)))
8945 name = g_strdup_printf ("wrapper_native_%p", func);
8946 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8947 mb->method->save_lmf = 1;
8950 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
8953 csig = signature_dup (image, sig);
8955 res = mono_mb_create_and_cache (cache, func,
8956 mb, csig, csig->param_count + 16);
8959 mono_marshal_set_wrapper_info (res, NULL);
8965 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
8969 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8971 MonoMethodSignature *sig, *csig;
8972 MonoMethodBuilder *mb;
8977 MonoMethodPInvoke mpiinfo;
8978 MonoMethodPInvoke *piinfo = &mpiinfo;
8979 MonoMarshalSpec **mspecs;
8980 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8981 MonoImage *image = invoke->klass->image;
8984 // FIXME: include UnmanagedFunctionPointerAttribute info
8987 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8989 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8990 if ((res = mono_marshal_find_in_cache (cache, invoke)))
8993 memset (&mpiinfo, 0, sizeof (mpiinfo));
8994 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
8996 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
8997 mono_method_get_marshal_info (invoke, mspecs);
8998 /* Freed below so don't alloc from mempool */
8999 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9002 name = g_strdup_printf ("wrapper_aot_native");
9003 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9004 mb->method->save_lmf = 1;
9007 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9010 g_assert (!sig->hasthis);
9011 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9013 res = mono_mb_create_and_cache (cache, invoke,
9014 mb, csig, csig->param_count + 16);
9017 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9018 info->d.managed_to_native.method = invoke;
9020 mono_marshal_set_wrapper_info (res, info);
9022 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9024 mono_metadata_free_marshal_spec (mspecs [i]);
9032 * mono_marshal_emit_managed_wrapper:
9034 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9035 * the delegate which wraps the managed method to be called. For closed delegates,
9036 * it could have fewer parameters than the method it wraps.
9037 * THIS_LOC is the memory location where the target of the delegate is stored.
9040 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9043 MonoMethodSignature *sig, *csig;
9049 /* we first do all conversions */
9050 for (i = 0; i < sig->param_count; i ++) {
9051 MonoType *t = sig->params [i];
9054 case MONO_TYPE_OBJECT:
9055 case MONO_TYPE_CLASS:
9056 case MONO_TYPE_VALUETYPE:
9057 case MONO_TYPE_ARRAY:
9058 case MONO_TYPE_SZARRAY:
9059 case MONO_TYPE_STRING:
9060 case MONO_TYPE_BOOLEAN:
9061 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9065 MonoMethodSignature *sig, *csig;
9067 gboolean closed = FALSE;
9072 /* allocate local 0 (pointer) src_ptr */
9073 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9074 /* allocate local 1 (pointer) dst_ptr */
9075 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9076 /* allocate local 2 (boolean) delete_old */
9077 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9079 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9080 /* Closed delegate */
9081 g_assert (sig->param_count == invoke_sig->param_count + 1);
9083 /* Use a new signature without the first argument */
9084 sig = mono_metadata_signature_dup (sig);
9085 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9086 sig->param_count --;
9089 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9090 /* allocate local 3 to store the return value */
9091 mono_mb_add_local (mb, sig->ret);
9094 mono_mb_emit_icon (mb, 0);
9095 mono_mb_emit_stloc (mb, 2);
9098 * Might need to attach the thread to the JIT or change the
9099 * domain for the callback.
9101 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9102 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9104 /* we first do all conversions */
9105 tmp_locals = alloca (sizeof (int) * sig->param_count);
9106 for (i = 0; i < sig->param_count; i ++) {
9107 MonoType *t = sig->params [i];
9110 case MONO_TYPE_OBJECT:
9111 case MONO_TYPE_CLASS:
9112 case MONO_TYPE_VALUETYPE:
9113 case MONO_TYPE_ARRAY:
9114 case MONO_TYPE_SZARRAY:
9115 case MONO_TYPE_STRING:
9116 case MONO_TYPE_BOOLEAN:
9117 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9126 emit_thread_interrupt_checkpoint (mb);
9129 if (target_handle) {
9130 mono_mb_emit_icon (mb, (gint32)target_handle);
9131 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9134 g_assert_not_reached ();
9136 } else if (closed) {
9137 mono_mb_emit_icon (mb, (gint32)target_handle);
9138 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9141 for (i = 0; i < sig->param_count; i++) {
9142 MonoType *t = sig->params [i];
9144 if (tmp_locals [i]) {
9146 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9148 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9151 mono_mb_emit_ldarg (mb, i);
9154 mono_mb_emit_managed_call (mb, method, NULL);
9156 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9157 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9158 } else if (!sig->ret->byref) {
9159 switch (sig->ret->type) {
9160 case MONO_TYPE_VOID:
9162 case MONO_TYPE_BOOLEAN:
9165 case MONO_TYPE_CHAR:
9177 case MONO_TYPE_OBJECT:
9178 mono_mb_emit_stloc (mb, 3);
9180 case MONO_TYPE_STRING:
9181 csig->ret = &mono_defaults.int_class->byval_arg;
9182 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9184 case MONO_TYPE_VALUETYPE:
9185 case MONO_TYPE_CLASS:
9186 case MONO_TYPE_SZARRAY:
9187 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9190 g_warning ("return type 0x%02x unknown", sig->ret->type);
9191 g_assert_not_reached ();
9194 mono_mb_emit_stloc (mb, 3);
9197 /* Convert byref arguments back */
9198 for (i = 0; i < sig->param_count; i ++) {
9199 MonoType *t = sig->params [i];
9200 MonoMarshalSpec *spec = mspecs [i + 1];
9202 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9203 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9205 else if (t->byref) {
9207 case MONO_TYPE_CLASS:
9208 case MONO_TYPE_VALUETYPE:
9209 case MONO_TYPE_OBJECT:
9210 case MONO_TYPE_STRING:
9211 case MONO_TYPE_BOOLEAN:
9212 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9216 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9217 /* The [Out] information is encoded in the delegate signature */
9219 case MONO_TYPE_SZARRAY:
9220 case MONO_TYPE_CLASS:
9221 case MONO_TYPE_VALUETYPE:
9222 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9225 g_assert_not_reached ();
9230 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9231 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9233 if (m->retobj_var) {
9234 mono_mb_emit_ldloc (mb, m->retobj_var);
9235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9236 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9239 if (!MONO_TYPE_IS_VOID(sig->ret))
9240 mono_mb_emit_ldloc (mb, 3);
9241 mono_mb_emit_byte (mb, CEE_RET);
9250 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9252 MonoMethodSignature *sig;
9257 * Under windows, delegates passed to native code must use the STDCALL
9258 * calling convention.
9260 csig->call_convention = MONO_CALL_STDCALL;
9263 sig = mono_method_signature (method);
9265 /* Change default calling convention if needed */
9266 /* Why is this a modopt ? */
9267 if (sig->ret && sig->ret->num_mods) {
9268 for (i = 0; i < sig->ret->num_mods; ++i) {
9269 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9270 g_assert (cmod_class);
9271 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9272 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9273 csig->call_convention = MONO_CALL_C;
9274 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9275 csig->call_convention = MONO_CALL_STDCALL;
9276 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9277 csig->call_convention = MONO_CALL_FASTCALL;
9278 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9279 csig->call_convention = MONO_CALL_THISCALL;
9286 * generates IL code to call managed methods from unmanaged code
9287 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9290 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9292 static MonoClass *UnmanagedFunctionPointerAttribute;
9293 MonoMethodSignature *sig, *csig, *invoke_sig;
9294 MonoMethodBuilder *mb;
9295 MonoMethod *res, *invoke;
9296 MonoMarshalSpec **mspecs;
9297 MonoMethodPInvoke piinfo;
9300 EmitMarshalContext m;
9302 g_assert (method != NULL);
9303 g_assert (!mono_method_signature (method)->pinvoke);
9306 * FIXME: Should cache the method+delegate type pair, since the same method
9307 * could be called with different delegates, thus different marshalling
9310 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9311 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9314 invoke = mono_get_delegate_invoke (delegate_klass);
9315 invoke_sig = mono_method_signature (invoke);
9317 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9318 mono_method_get_marshal_info (invoke, mspecs);
9320 sig = mono_method_signature (method);
9322 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9324 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9325 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9327 /* we copy the signature, so that we can modify it */
9329 /* Need to free this later */
9330 csig = mono_metadata_signature_dup (invoke_sig);
9332 csig = signature_dup (method->klass->image, invoke_sig);
9341 m.image = method->klass->image;
9343 mono_marshal_set_callconv_from_modopt (invoke, csig);
9345 /* Handle the UnmanagedFunctionPointerAttribute */
9346 if (!UnmanagedFunctionPointerAttribute)
9347 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9349 /* The attribute is only available in Net 2.0 */
9350 if (UnmanagedFunctionPointerAttribute) {
9351 MonoCustomAttrInfo *cinfo;
9352 MonoCustomAttrEntry *attr;
9355 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9356 * contents of the attribute without constructing it, as that might not be
9357 * possible when running in cross-compiling mode.
9359 cinfo = mono_custom_attrs_from_class (delegate_klass);
9362 for (i = 0; i < cinfo->num_attrs; ++i) {
9363 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9364 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9365 attr = &cinfo->attrs [i];
9371 MonoArray *typed_args, *named_args;
9372 CattrNamedArg *arginfo;
9376 MonoBoolean set_last_error = 0;
9377 MonoBoolean best_fit_mapping = 0;
9378 MonoBoolean throw_on_unmappable = 0;
9380 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
9382 g_assert (mono_array_length (typed_args) == 1);
9385 o = mono_array_get (typed_args, MonoObject*, 0);
9386 call_conv = *(gint32*)mono_object_unbox (o);
9389 for (i = 0; i < mono_array_length (named_args); ++i) {
9390 CattrNamedArg *narg = &arginfo [i];
9392 o = mono_array_get (named_args, MonoObject*, i);
9394 g_assert (narg->field);
9395 if (!strcmp (narg->field->name, "CharSet")) {
9396 charset = *(gint32*)mono_object_unbox (o);
9397 } else if (!strcmp (narg->field->name, "SetLastError")) {
9398 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9399 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9400 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9401 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9402 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9404 g_assert_not_reached ();
9410 memset (&piinfo, 0, sizeof (piinfo));
9412 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9414 csig->call_convention = call_conv - 1;
9417 if (cinfo && !cinfo->cached)
9418 mono_custom_attrs_free (cinfo);
9421 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9423 if (!target_handle) {
9426 res = mono_mb_create_and_cache (cache, method,
9427 mb, csig, sig->param_count + 16);
9428 // FIXME: Associate it with the method+delegate_klass pair
9429 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9430 info->d.native_to_managed.method = method;
9431 info->d.native_to_managed.klass = delegate_klass;
9432 mono_marshal_set_wrapper_info (res, info);
9437 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9441 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9443 mono_metadata_free_marshal_spec (mspecs [i]);
9446 /* code_for (res); */
9452 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9455 MonoMethodSignature *sig;
9456 MonoMethodBuilder *mb;
9461 method = mono_get_method (image, token, NULL);
9464 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9465 MonoMethodSignature *csig;
9466 MonoMarshalSpec **mspecs;
9467 EmitMarshalContext m;
9469 sig = mono_method_signature (method);
9470 g_assert (!sig->hasthis);
9472 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9473 mono_method_get_marshal_info (method, mspecs);
9475 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9476 csig = signature_dup (image, sig);
9487 mono_marshal_set_callconv_from_modopt (method, csig);
9489 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9491 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9496 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9499 for (i = sig->param_count; i >= 0; i--)
9501 mono_metadata_free_marshal_spec (mspecs [i]);
9504 return mono_compile_method (method);
9507 sig = mono_method_signature (method);
9508 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9511 param_count = sig->param_count + sig->hasthis;
9512 for (i = 0; i < param_count; i++)
9513 mono_mb_emit_ldarg (mb, i);
9515 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9516 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9518 mono_mb_emit_op (mb, CEE_CALL, method);
9519 mono_mb_emit_byte (mb, CEE_RET);
9524 method = mono_mb_create_method (mb, sig, param_count);
9527 return mono_compile_method (method);
9530 static MonoReflectionType *
9531 type_from_handle (MonoType *handle)
9533 MonoDomain *domain = mono_domain_get ();
9534 MonoClass *klass = mono_class_from_mono_type (handle);
9536 MONO_ARCH_SAVE_REGS;
9538 mono_class_init (klass);
9539 return mono_type_get_object (domain, handle);
9543 * This does the equivalent of mono_object_castclass_with_cache.
9544 * The wrapper info for the wrapper is a WrapperInfo structure.
9547 mono_marshal_get_castclass_with_cache (void)
9549 static MonoMethod *cached;
9551 MonoMethodBuilder *mb;
9552 MonoMethodSignature *sig;
9553 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9559 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9560 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9561 sig->params [0] = &mono_defaults.object_class->byval_arg;
9562 sig->params [1] = &mono_defaults.int_class->byval_arg;
9563 sig->params [2] = &mono_defaults.int_class->byval_arg;
9564 sig->ret = &mono_defaults.object_class->byval_arg;
9568 /* allocate local 0 (pointer) obj_vtable */
9569 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9572 mono_mb_emit_ldarg (mb, 0);
9573 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9575 /*obj_vtable = obj->vtable;*/
9576 mono_mb_emit_ldarg (mb, 0);
9577 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9578 mono_mb_emit_byte (mb, CEE_LDIND_I);
9579 mono_mb_emit_stloc (mb, 0);
9582 mono_mb_emit_ldarg (mb, 2);
9583 mono_mb_emit_byte (mb, CEE_LDIND_I);
9584 mono_mb_emit_ldloc (mb, 0);
9586 /*if (*cache == obj_vtable)*/
9587 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9590 mono_mb_emit_ldarg (mb, 0);
9591 mono_mb_emit_byte (mb, CEE_RET);
9593 mono_mb_patch_branch (mb, cache_miss_pos);
9594 /*if (mono_object_isinst (obj, klass)) */
9595 mono_mb_emit_ldarg (mb, 0);
9596 mono_mb_emit_ldarg (mb, 1);
9597 mono_mb_emit_icall (mb, mono_object_isinst);
9598 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9600 /**cache = obj_vtable;*/
9601 mono_mb_emit_ldarg (mb, 2);
9602 mono_mb_emit_ldloc (mb, 0);
9603 mono_mb_emit_byte (mb, CEE_STIND_I);
9606 mono_mb_emit_ldarg (mb, 0);
9607 mono_mb_emit_byte (mb, CEE_RET);
9610 mono_mb_patch_branch (mb, invalid_cast_pos);
9611 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9614 mono_mb_patch_branch (mb, return_null_pos);
9615 mono_mb_emit_byte (mb, CEE_LDNULL);
9616 mono_mb_emit_byte (mb, CEE_RET);
9617 #endif /* DISABLE_JIT */
9619 res = mono_mb_create_method (mb, sig, 8);
9620 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9621 mono_marshal_set_wrapper_info (res, info);
9624 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9625 mono_free_method (res);
9626 mono_metadata_free_method_signature (sig);
9634 * This does the equivalent of mono_object_isinst_with_cache.
9635 * The wrapper info for the wrapper is a WrapperInfo structure.
9638 mono_marshal_get_isinst_with_cache (void)
9640 static MonoMethod *cached;
9642 MonoMethodBuilder *mb;
9643 MonoMethodSignature *sig;
9644 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9650 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9651 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9652 sig->params [0] = &mono_defaults.object_class->byval_arg;
9653 sig->params [1] = &mono_defaults.int_class->byval_arg;
9654 sig->params [2] = &mono_defaults.int_class->byval_arg;
9655 sig->ret = &mono_defaults.object_class->byval_arg;
9659 /* allocate local 0 (pointer) obj_vtable */
9660 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9661 /* allocate local 1 (pointer) cached_vtable */
9662 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9665 mono_mb_emit_ldarg (mb, 0);
9666 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9668 /*obj_vtable = obj->vtable;*/
9669 mono_mb_emit_ldarg (mb, 0);
9670 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9671 mono_mb_emit_byte (mb, CEE_LDIND_I);
9672 mono_mb_emit_stloc (mb, 0);
9674 /* cached_vtable = *cache*/
9675 mono_mb_emit_ldarg (mb, 2);
9676 mono_mb_emit_byte (mb, CEE_LDIND_I);
9677 mono_mb_emit_stloc (mb, 1);
9679 mono_mb_emit_ldloc (mb, 1);
9680 mono_mb_emit_byte (mb, CEE_LDC_I4);
9681 mono_mb_emit_i4 (mb, ~0x1);
9682 mono_mb_emit_byte (mb, CEE_CONV_U);
9683 mono_mb_emit_byte (mb, CEE_AND);
9684 mono_mb_emit_ldloc (mb, 0);
9685 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9686 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9688 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9689 mono_mb_emit_ldloc (mb, 1);
9690 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9691 mono_mb_emit_byte (mb, CEE_CONV_U);
9692 mono_mb_emit_byte (mb, CEE_AND);
9693 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9696 mono_mb_emit_ldarg (mb, 0);
9697 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9700 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9701 mono_mb_emit_byte (mb, CEE_LDNULL);
9703 mono_mb_patch_branch (mb, cache_hit_pos);
9704 mono_mb_emit_byte (mb, CEE_RET);
9706 mono_mb_patch_branch (mb, cache_miss_pos);
9707 /*if (mono_object_isinst (obj, klass)) */
9708 mono_mb_emit_ldarg (mb, 0);
9709 mono_mb_emit_ldarg (mb, 1);
9710 mono_mb_emit_icall (mb, mono_object_isinst);
9711 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9713 /**cache = obj_vtable;*/
9714 mono_mb_emit_ldarg (mb, 2);
9715 mono_mb_emit_ldloc (mb, 0);
9716 mono_mb_emit_byte (mb, CEE_STIND_I);
9719 mono_mb_emit_ldarg (mb, 0);
9720 mono_mb_emit_byte (mb, CEE_RET);
9723 mono_mb_patch_branch (mb, not_an_instance_pos);
9724 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9725 mono_mb_emit_ldarg (mb, 2);
9726 /*obj_vtable | 0x1*/
9727 mono_mb_emit_ldloc (mb, 0);
9728 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9729 mono_mb_emit_byte (mb, CEE_CONV_U);
9730 mono_mb_emit_byte (mb, CEE_OR);
9733 mono_mb_emit_byte (mb, CEE_STIND_I);
9736 mono_mb_patch_branch (mb, return_null_pos);
9737 mono_mb_emit_byte (mb, CEE_LDNULL);
9738 mono_mb_emit_byte (mb, CEE_RET);
9741 res = mono_mb_create_method (mb, sig, 8);
9742 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9743 mono_marshal_set_wrapper_info (res, info);
9746 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9747 mono_free_method (res);
9748 mono_metadata_free_method_signature (sig);
9756 * mono_marshal_get_isinst:
9757 * @klass: the type of the field
9759 * This method generates a function which can be used to check if an object is
9760 * an instance of the given type, icluding the case where the object is a proxy.
9761 * The generated function has the following signature:
9762 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9765 mono_marshal_get_isinst (MonoClass *klass)
9767 static MonoMethodSignature *isint_sig = NULL;
9770 int pos_was_ok, pos_failed, pos_end, pos_end2;
9772 MonoMethodBuilder *mb;
9774 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9775 if ((res = mono_marshal_find_in_cache (cache, klass)))
9779 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9780 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9781 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9782 isint_sig->pinvoke = 0;
9785 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9786 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9789 mb->method->save_lmf = 1;
9792 /* check if the object is a proxy that needs special cast */
9793 mono_mb_emit_ldarg (mb, 0);
9794 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9795 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9797 /* The result of MONO_CISINST can be:
9798 0) the type check succeeded
9799 1) the type check did not succeed
9800 2) a CanCastTo call is needed */
9801 #ifndef DISABLE_REMOTING
9802 mono_mb_emit_byte (mb, CEE_DUP);
9803 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9805 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9806 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9808 /* get the real proxy from the transparent proxy*/
9810 mono_mb_emit_ldarg (mb, 0);
9811 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9812 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9816 mono_mb_patch_branch (mb, pos_failed);
9817 mono_mb_emit_byte (mb, CEE_LDNULL);
9818 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9822 mono_mb_patch_branch (mb, pos_was_ok);
9823 mono_mb_emit_byte (mb, CEE_POP);
9824 mono_mb_emit_ldarg (mb, 0);
9828 mono_mb_patch_branch (mb, pos_end);
9829 mono_mb_patch_branch (mb, pos_end2);
9830 mono_mb_emit_byte (mb, CEE_RET);
9832 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9836 mono_mb_emit_byte (mb, CEE_LDNULL);
9837 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9841 mono_mb_patch_branch (mb, pos_was_ok);
9842 mono_mb_emit_ldarg (mb, 0);
9846 mono_mb_patch_branch (mb, pos_end);
9847 mono_mb_emit_byte (mb, CEE_RET);
9848 #endif /* DISABLE_REMOTING */
9849 #endif /* DISABLE_JIT */
9851 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9858 * mono_marshal_get_castclass:
9859 * @klass: the type of the field
9861 * This method generates a function which can be used to cast an object to
9862 * an instance of the given type, icluding the case where the object is a proxy.
9863 * The generated function has the following signature:
9864 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9865 * The wrapper info for the wrapper is a WrapperInfo structure.
9868 mono_marshal_get_castclass (MonoClass *klass)
9870 static MonoMethodSignature *castclass_sig = NULL;
9873 int pos_was_ok, pos_was_ok2;
9875 MonoMethodBuilder *mb;
9878 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9879 if ((res = mono_marshal_find_in_cache (cache, klass)))
9882 if (!castclass_sig) {
9883 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9884 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9885 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9886 castclass_sig->pinvoke = 0;
9889 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9890 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9893 mb->method->save_lmf = 1;
9896 /* check if the object is a proxy that needs special cast */
9897 mono_mb_emit_ldarg (mb, 0);
9898 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9899 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9901 /* The result of MONO_CCASTCLASS can be:
9902 0) the cast is valid
9903 1) cast of unknown proxy type
9904 or an exception if the cast is is invalid
9906 #ifndef DISABLE_REMOTING
9907 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9909 /* get the real proxy from the transparent proxy*/
9911 mono_mb_emit_ldarg (mb, 0);
9912 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9913 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9916 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9919 mono_mb_patch_branch (mb, pos_was_ok);
9920 mono_mb_patch_branch (mb, pos_was_ok2);
9922 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
9923 mono_mb_emit_byte (mb, CEE_POP);
9924 #endif /* DISABLE_REMOTING */
9926 mono_mb_emit_ldarg (mb, 0);
9929 mono_mb_emit_byte (mb, CEE_RET);
9930 #endif /* DISABLE_JIT */
9932 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9935 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9936 mono_marshal_set_wrapper_info (res, info);
9941 #ifndef DISABLE_REMOTING
9943 mono_marshal_get_proxy_cancast (MonoClass *klass)
9945 static MonoMethodSignature *isint_sig = NULL;
9948 int pos_failed, pos_end;
9949 char *name, *klass_name;
9950 MonoMethod *can_cast_to;
9951 MonoMethodDesc *desc;
9952 MonoMethodBuilder *mb;
9954 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9955 if ((res = mono_marshal_find_in_cache (cache, klass)))
9959 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9960 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9961 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9962 isint_sig->pinvoke = 0;
9965 klass_name = mono_type_full_name (&klass->byval_arg);
9966 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
9967 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9968 g_free (klass_name);
9971 mb->method->save_lmf = 1;
9974 /* get the real proxy from the transparent proxy*/
9975 mono_mb_emit_ldarg (mb, 0);
9976 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9977 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9979 /* get the reflection type from the type handle */
9980 mono_mb_emit_ptr (mb, &klass->byval_arg);
9981 mono_mb_emit_icall (mb, type_from_handle);
9983 mono_mb_emit_ldarg (mb, 0);
9985 /* make the call to CanCastTo (type, ob) */
9986 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
9987 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
9988 g_assert (can_cast_to);
9989 mono_method_desc_free (desc);
9990 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
9992 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
9994 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
9995 mono_mb_emit_ptr (mb, &klass->byval_arg);
9996 mono_mb_emit_icall (mb, type_from_handle);
9997 mono_mb_emit_ldarg (mb, 0);
9999 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10000 emit_thread_interrupt_checkpoint (mb);
10002 mono_mb_emit_ldarg (mb, 0);
10003 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10007 mono_mb_patch_branch (mb, pos_failed);
10008 mono_mb_emit_byte (mb, CEE_LDNULL);
10012 mono_mb_patch_branch (mb, pos_end);
10013 mono_mb_emit_byte (mb, CEE_RET);
10016 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10023 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10026 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10027 klass = mono_class_from_mono_type (rtype->type);
10028 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10030 #endif /*DISABLE_REMOTING */
10033 * mono_marshal_get_struct_to_ptr:
10036 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10037 * The wrapper info for the wrapper is a WrapperInfo structure.
10040 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10042 MonoMethodBuilder *mb;
10043 static MonoMethod *stoptr = NULL;
10047 g_assert (klass != NULL);
10049 mono_marshal_load_type_info (klass);
10051 if (klass->marshal_info->str_to_ptr)
10052 return klass->marshal_info->str_to_ptr;
10055 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10058 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10060 #ifndef DISABLE_JIT
10061 if (klass->blittable) {
10062 mono_mb_emit_byte (mb, CEE_LDARG_1);
10063 mono_mb_emit_byte (mb, CEE_LDARG_0);
10064 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10065 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10066 mono_mb_emit_byte (mb, CEE_PREFIX1);
10067 mono_mb_emit_byte (mb, CEE_CPBLK);
10070 /* allocate local 0 (pointer) src_ptr */
10071 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10072 /* allocate local 1 (pointer) dst_ptr */
10073 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10074 /* allocate local 2 (boolean) delete_old */
10075 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10076 mono_mb_emit_byte (mb, CEE_LDARG_2);
10077 mono_mb_emit_stloc (mb, 2);
10079 /* initialize src_ptr to point to the start of object data */
10080 mono_mb_emit_byte (mb, CEE_LDARG_0);
10081 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10082 mono_mb_emit_stloc (mb, 0);
10084 /* initialize dst_ptr */
10085 mono_mb_emit_byte (mb, CEE_LDARG_1);
10086 mono_mb_emit_stloc (mb, 1);
10088 emit_struct_conv (mb, klass, FALSE);
10091 mono_mb_emit_byte (mb, CEE_RET);
10094 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10097 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10098 mono_marshal_set_wrapper_info (res, info);
10100 klass->marshal_info->str_to_ptr = res;
10105 * mono_marshal_get_ptr_to_struct:
10108 * generates IL code for PtrToStructure (IntPtr src, object structure)
10109 * The wrapper info for the wrapper is a WrapperInfo structure.
10112 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10114 MonoMethodBuilder *mb;
10115 static MonoMethodSignature *ptostr = NULL;
10119 g_assert (klass != NULL);
10121 mono_marshal_load_type_info (klass);
10123 if (klass->marshal_info->ptr_to_str)
10124 return klass->marshal_info->ptr_to_str;
10127 MonoMethodSignature *sig;
10129 /* Create the signature corresponding to
10130 static void PtrToStructure (IntPtr ptr, object structure);
10131 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10132 sig = mono_create_icall_signature ("void ptr object");
10133 sig = signature_dup (mono_defaults.corlib, sig);
10135 mono_memory_barrier ();
10139 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10141 #ifndef DISABLE_JIT
10142 if (klass->blittable) {
10143 mono_mb_emit_byte (mb, CEE_LDARG_1);
10144 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10145 mono_mb_emit_byte (mb, CEE_LDARG_0);
10146 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10147 mono_mb_emit_byte (mb, CEE_PREFIX1);
10148 mono_mb_emit_byte (mb, CEE_CPBLK);
10151 /* allocate local 0 (pointer) src_ptr */
10152 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10153 /* allocate local 1 (pointer) dst_ptr */
10154 mono_mb_add_local (mb, &klass->this_arg);
10156 /* initialize src_ptr to point to the start of object data */
10157 mono_mb_emit_byte (mb, CEE_LDARG_0);
10158 mono_mb_emit_stloc (mb, 0);
10160 /* initialize dst_ptr */
10161 mono_mb_emit_byte (mb, CEE_LDARG_1);
10162 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10163 mono_mb_emit_stloc (mb, 1);
10165 emit_struct_conv (mb, klass, TRUE);
10168 mono_mb_emit_byte (mb, CEE_RET);
10171 res = mono_mb_create_method (mb, ptostr, 0);
10174 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10175 mono_marshal_set_wrapper_info (res, info);
10177 klass->marshal_info->ptr_to_str = res;
10182 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10183 * This is used to avoid infinite recursion since it is hard to determine where to
10184 * replace a method with its synchronized wrapper, and where not.
10185 * The runtime should execute METHOD instead of the wrapper.
10186 * The wrapper info for the wrapper is a WrapperInfo structure.
10189 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10191 MonoMethodBuilder *mb;
10193 MonoMethodSignature *sig;
10196 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10197 #ifndef DISABLE_JIT
10198 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10199 mono_mb_emit_byte (mb, CEE_RET);
10201 sig = signature_dup (method->klass->image, mono_method_signature (method));
10202 res = mono_mb_create_method (mb, sig, 0);
10204 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10205 info->d.synchronized_inner.method = method;
10206 mono_marshal_set_wrapper_info (res, info);
10211 * generates IL code for the synchronized wrapper: the generated method
10212 * calls METHOD while locking 'this' or the parent type.
10215 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10217 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10218 MonoMethodSignature *sig;
10219 MonoExceptionClause *clause;
10220 MonoMethodBuilder *mb;
10223 int i, pos, this_local, ret_local = 0;
10227 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10230 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10231 if ((res = mono_marshal_find_in_cache (cache, method)))
10234 sig = signature_dup (method->klass->image, mono_method_signature (method));
10237 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10239 #ifndef DISABLE_JIT
10241 if (!MONO_TYPE_IS_VOID (sig->ret))
10242 ret_local = mono_mb_add_local (mb, sig->ret);
10245 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10246 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10247 #ifndef DISABLE_JIT
10248 /* This will throw the type load exception when the wrapper is compiled */
10249 mono_mb_emit_byte (mb, CEE_LDNULL);
10250 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10251 mono_mb_emit_byte (mb, CEE_POP);
10253 if (!MONO_TYPE_IS_VOID (sig->ret))
10254 mono_mb_emit_ldloc (mb, ret_local);
10255 mono_mb_emit_byte (mb, CEE_RET);
10258 res = mono_mb_create_and_cache (cache, method,
10259 mb, sig, sig->param_count + 16);
10265 #ifndef DISABLE_JIT
10267 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10269 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10270 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10273 mono_loader_lock ();
10275 if (!enter_method) {
10276 MonoMethodDesc *desc;
10278 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10279 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10280 g_assert (enter_method);
10281 mono_method_desc_free (desc);
10283 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10284 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10285 g_assert (exit_method);
10286 mono_method_desc_free (desc);
10288 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10289 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10290 g_assert (gettypefromhandle_method);
10291 mono_method_desc_free (desc);
10294 mono_loader_unlock ();
10296 #ifndef DISABLE_JIT
10297 /* Push this or the type object */
10298 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10299 /* We have special handling for this in the JIT */
10300 int index = mono_mb_add_data (mb, method->klass);
10301 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10302 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10303 mono_mb_emit_i4 (mb, index);
10305 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10308 mono_mb_emit_ldarg (mb, 0);
10309 mono_mb_emit_stloc (mb, this_local);
10311 /* Call Monitor::Enter() */
10312 mono_mb_emit_ldloc (mb, this_local);
10313 mono_mb_emit_managed_call (mb, enter_method, NULL);
10315 clause->try_offset = mono_mb_get_label (mb);
10317 /* Call the method */
10319 mono_mb_emit_ldarg (mb, 0);
10320 for (i = 0; i < sig->param_count; i++)
10321 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10323 mono_mb_emit_managed_call (mb, method, NULL);
10325 if (!MONO_TYPE_IS_VOID (sig->ret))
10326 mono_mb_emit_stloc (mb, ret_local);
10328 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10330 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10331 clause->handler_offset = mono_mb_get_label (mb);
10333 /* Call Monitor::Exit() */
10334 mono_mb_emit_ldloc (mb, this_local);
10335 mono_mb_emit_managed_call (mb, exit_method, NULL);
10336 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10338 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10340 mono_mb_patch_branch (mb, pos);
10341 if (!MONO_TYPE_IS_VOID (sig->ret))
10342 mono_mb_emit_ldloc (mb, ret_local);
10343 mono_mb_emit_byte (mb, CEE_RET);
10345 mono_mb_set_clauses (mb, 1, clause);
10348 res = mono_mb_create_and_cache (cache, method,
10349 mb, sig, sig->param_count + 16);
10357 * the returned method calls 'method' unboxing the this argument
10360 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10362 MonoMethodSignature *sig = mono_method_signature (method);
10364 MonoMethodBuilder *mb;
10368 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10369 if ((res = mono_marshal_find_in_cache (cache, method)))
10372 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10374 g_assert (sig->hasthis);
10376 #ifndef DISABLE_JIT
10377 mono_mb_emit_ldarg (mb, 0);
10378 mono_mb_emit_icon (mb, sizeof (MonoObject));
10379 mono_mb_emit_byte (mb, CEE_ADD);
10380 for (i = 0; i < sig->param_count; ++i)
10381 mono_mb_emit_ldarg (mb, i + 1);
10382 mono_mb_emit_managed_call (mb, method, NULL);
10383 mono_mb_emit_byte (mb, CEE_RET);
10386 res = mono_mb_create_and_cache (cache, method,
10387 mb, sig, sig->param_count + 16);
10390 /* code_for (res); */
10396 STELEMREF_OBJECT, /*no check at all*/
10397 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10398 STELEMREF_CLASS, /*only the klass->parents check*/
10399 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10400 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10401 STELEMREF_KIND_COUNT
10404 static const char *strelemref_wrapper_name[] = {
10405 "object", "sealed_class", "class", "interface", "complex"
10409 is_monomorphic_array (MonoClass *klass)
10411 MonoClass *element_class;
10412 if (klass->rank != 1)
10415 element_class = klass->element_class;
10416 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10420 get_virtual_stelemref_kind (MonoClass *element_class)
10422 if (element_class == mono_defaults.object_class)
10423 return STELEMREF_OBJECT;
10424 if (is_monomorphic_array (element_class))
10425 return STELEMREF_SEALED_CLASS;
10426 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10427 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10428 #ifdef COMPRESSED_INTERFACE_BITMAP
10429 return STELEMREF_COMPLEX;
10431 return STELEMREF_INTERFACE;
10433 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10434 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10435 return STELEMREF_COMPLEX;
10436 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10437 return STELEMREF_SEALED_CLASS;
10438 return STELEMREF_CLASS;
10441 #ifndef DISABLE_JIT
10444 load_array_element_address (MonoMethodBuilder *mb)
10446 mono_mb_emit_ldarg (mb, 0);
10447 mono_mb_emit_ldarg (mb, 1);
10448 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10452 load_array_class (MonoMethodBuilder *mb, int aklass)
10454 mono_mb_emit_ldarg (mb, 0);
10455 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10456 mono_mb_emit_byte (mb, CEE_LDIND_I);
10457 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10458 mono_mb_emit_byte (mb, CEE_LDIND_I);
10459 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10460 mono_mb_emit_byte (mb, CEE_LDIND_I);
10461 mono_mb_emit_stloc (mb, aklass);
10465 load_value_class (MonoMethodBuilder *mb, int vklass)
10467 mono_mb_emit_ldarg (mb, 2);
10468 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10469 mono_mb_emit_byte (mb, CEE_LDIND_I);
10470 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10471 mono_mb_emit_byte (mb, CEE_LDIND_I);
10472 mono_mb_emit_stloc (mb, vklass);
10478 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10480 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10481 printf ("slow vstore of %s\n", name);
10487 * The wrapper info for the wrapper is a WrapperInfo structure.
10490 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10491 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10492 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10493 * - Add a case for arrays of arrays.
10496 get_virtual_stelemref_wrapper (int kind)
10498 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10499 static MonoMethodSignature *signature;
10500 MonoMethodBuilder *mb;
10503 const char *param_names [16];
10504 guint32 b1, b2, b3;
10505 int aklass, vklass, vtable, uiid;
10506 int array_slot_addr;
10509 if (cached_methods [kind])
10510 return cached_methods [kind];
10512 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10513 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10517 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10519 /* void this::stelemref (size_t idx, void* value) */
10520 sig->ret = &mono_defaults.void_class->byval_arg;
10521 sig->hasthis = TRUE;
10522 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10523 sig->params [1] = &mono_defaults.object_class->byval_arg;
10527 #ifndef DISABLE_JIT
10528 param_names [0] = "index";
10529 param_names [1] = "value";
10530 mono_mb_set_param_names (mb, param_names);
10532 /*For now simply call plain old stelemref*/
10534 case STELEMREF_OBJECT:
10535 /* ldelema (implicit bound check) */
10536 load_array_element_address (mb);
10538 mono_mb_emit_ldarg (mb, 2);
10539 mono_mb_emit_byte (mb, CEE_STIND_REF);
10540 mono_mb_emit_byte (mb, CEE_RET);
10543 case STELEMREF_COMPLEX:
10545 <ldelema (bound check)>
10548 if (!mono_object_isinst (value, aklass))
10552 *array_slot_addr = value;
10555 throw new ArrayTypeMismatchException ();
10558 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10559 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10563 /*Use this to debug/record stores that are going thru the slow path*/
10564 MonoMethodSignature *csig;
10565 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10566 csig->ret = &mono_defaults.void_class->byval_arg;
10567 csig->params [0] = &mono_defaults.object_class->byval_arg;
10568 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10569 csig->params [2] = &mono_defaults.object_class->byval_arg;
10570 mono_mb_emit_ldarg (mb, 0);
10571 mono_mb_emit_ldarg (mb, 1);
10572 mono_mb_emit_ldarg (mb, 2);
10573 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10577 /* ldelema (implicit bound check) */
10578 load_array_element_address (mb);
10579 mono_mb_emit_stloc (mb, array_slot_addr);
10581 /* if (!value) goto do_store */
10582 mono_mb_emit_ldarg (mb, 2);
10583 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10585 /* aklass = array->vtable->klass->element_class */
10586 load_array_class (mb, aklass);
10588 /*if (mono_object_isinst (value, aklass)) */
10589 mono_mb_emit_ldarg (mb, 2);
10590 mono_mb_emit_ldloc (mb, aklass);
10591 mono_mb_emit_icall (mb, mono_object_isinst);
10592 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10595 mono_mb_patch_branch (mb, b1);
10596 mono_mb_emit_ldloc (mb, array_slot_addr);
10597 mono_mb_emit_ldarg (mb, 2);
10598 mono_mb_emit_byte (mb, CEE_STIND_REF);
10599 mono_mb_emit_byte (mb, CEE_RET);
10601 /* do_exception: */
10602 mono_mb_patch_branch (mb, b2);
10604 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10607 case STELEMREF_SEALED_CLASS:
10609 <ldelema (bound check)>
10613 aklass = array->vtable->klass->element_class;
10614 vklass = value->vtable->klass;
10616 if (vklass != aklass)
10620 *array_slot_addr = value;
10623 throw new ArrayTypeMismatchException ();
10625 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10626 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10627 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10630 /* ldelema (implicit bound check) */
10631 load_array_element_address (mb);
10632 mono_mb_emit_stloc (mb, array_slot_addr);
10634 /* if (!value) goto do_store */
10635 mono_mb_emit_ldarg (mb, 2);
10636 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10638 /* aklass = array->vtable->klass->element_class */
10639 load_array_class (mb, aklass);
10641 /* vklass = value->vtable->klass */
10642 load_value_class (mb, vklass);
10644 /*if (vklass != aklass) goto do_exception; */
10645 mono_mb_emit_ldloc (mb, aklass);
10646 mono_mb_emit_ldloc (mb, vklass);
10647 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10650 mono_mb_patch_branch (mb, b1);
10651 mono_mb_emit_ldloc (mb, array_slot_addr);
10652 mono_mb_emit_ldarg (mb, 2);
10653 mono_mb_emit_byte (mb, CEE_STIND_REF);
10654 mono_mb_emit_byte (mb, CEE_RET);
10656 /* do_exception: */
10657 mono_mb_patch_branch (mb, b2);
10658 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10661 case STELEMREF_CLASS:
10664 <ldelema (bound check)>
10668 aklass = array->vtable->klass->element_class;
10669 vklass = value->vtable->klass;
10671 if (vklass->idepth < aklass->idepth)
10674 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10678 *array_slot_addr = value;
10682 throw new ArrayTypeMismatchException ();
10684 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10685 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10686 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10688 /* ldelema (implicit bound check) */
10689 load_array_element_address (mb);
10690 mono_mb_emit_stloc (mb, array_slot_addr);
10692 /* if (!value) goto do_store */
10693 mono_mb_emit_ldarg (mb, 2);
10694 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10696 /* aklass = array->vtable->klass->element_class */
10697 load_array_class (mb, aklass);
10699 /* vklass = value->vtable->klass */
10700 load_value_class (mb, vklass);
10702 /*if (mono_object_isinst (value, aklass)) */
10703 mono_mb_emit_ldarg (mb, 2);
10704 mono_mb_emit_ldloc (mb, aklass);
10705 mono_mb_emit_icall (mb, mono_object_isinst);
10706 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10708 /* if (vklass->idepth < aklass->idepth) goto failue */
10709 mono_mb_emit_ldloc (mb, vklass);
10710 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10711 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10713 mono_mb_emit_ldloc (mb, aklass);
10714 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10715 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10717 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10719 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10720 mono_mb_emit_ldloc (mb, vklass);
10721 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10722 mono_mb_emit_byte (mb, CEE_LDIND_I);
10724 mono_mb_emit_ldloc (mb, aklass);
10725 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10726 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10727 mono_mb_emit_icon (mb, 1);
10728 mono_mb_emit_byte (mb, CEE_SUB);
10729 mono_mb_emit_icon (mb, sizeof (void*));
10730 mono_mb_emit_byte (mb, CEE_MUL);
10731 mono_mb_emit_byte (mb, CEE_ADD);
10732 mono_mb_emit_byte (mb, CEE_LDIND_I);
10734 mono_mb_emit_ldloc (mb, aklass);
10735 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10738 mono_mb_patch_branch (mb, b1);
10739 mono_mb_emit_ldloc (mb, array_slot_addr);
10740 mono_mb_emit_ldarg (mb, 2);
10741 mono_mb_emit_byte (mb, CEE_STIND_REF);
10742 mono_mb_emit_byte (mb, CEE_RET);
10744 /* do_exception: */
10745 mono_mb_patch_branch (mb, b2);
10746 mono_mb_patch_branch (mb, b3);
10748 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10751 case STELEMREF_INTERFACE:
10758 klass = array->obj.vtable->klass->element_class;
10759 vt = value->vtable;
10760 uiid = klass->interface_id;
10761 if (uiid > vt->max_interface_id)
10763 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10766 mono_array_setref (array, index, value);
10769 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10771 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10772 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10773 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10774 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10776 /* ldelema (implicit bound check) */
10777 load_array_element_address (mb);
10778 mono_mb_emit_stloc (mb, array_slot_addr);
10780 /* if (!value) goto do_store */
10781 mono_mb_emit_ldarg (mb, 2);
10782 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10784 /* klass = array->vtable->klass->element_class */
10785 load_array_class (mb, aklass);
10787 /* vt = value->vtable */
10788 mono_mb_emit_ldarg (mb, 2);
10789 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10790 mono_mb_emit_byte (mb, CEE_LDIND_I);
10791 mono_mb_emit_stloc (mb, vtable);
10793 /* uiid = klass->interface_id; */
10794 mono_mb_emit_ldloc (mb, aklass);
10795 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10796 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10797 mono_mb_emit_stloc (mb, uiid);
10799 /*if (uiid > vt->max_interface_id)*/
10800 mono_mb_emit_ldloc (mb, uiid);
10801 mono_mb_emit_ldloc (mb, vtable);
10802 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10803 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10804 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10806 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10808 /*vt->interface_bitmap*/
10809 mono_mb_emit_ldloc (mb, vtable);
10810 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10811 mono_mb_emit_byte (mb, CEE_LDIND_I);
10814 mono_mb_emit_ldloc (mb, uiid);
10815 mono_mb_emit_icon (mb, 3);
10816 mono_mb_emit_byte (mb, CEE_SHR_UN);
10818 /*vt->interface_bitmap [(uiid) >> 3]*/
10819 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10820 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10822 /*(1 << ((uiid)&7)))*/
10823 mono_mb_emit_icon (mb, 1);
10824 mono_mb_emit_ldloc (mb, uiid);
10825 mono_mb_emit_icon (mb, 7);
10826 mono_mb_emit_byte (mb, CEE_AND);
10827 mono_mb_emit_byte (mb, CEE_SHL);
10829 /*bitwise and the whole thing*/
10830 mono_mb_emit_byte (mb, CEE_AND);
10831 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10834 mono_mb_patch_branch (mb, b1);
10835 mono_mb_emit_ldloc (mb, array_slot_addr);
10836 mono_mb_emit_ldarg (mb, 2);
10837 mono_mb_emit_byte (mb, CEE_STIND_REF);
10838 mono_mb_emit_byte (mb, CEE_RET);
10840 /* do_exception: */
10841 mono_mb_patch_branch (mb, b2);
10842 mono_mb_patch_branch (mb, b3);
10843 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10847 mono_mb_emit_ldarg (mb, 0);
10848 mono_mb_emit_ldarg (mb, 1);
10849 mono_mb_emit_ldarg (mb, 2);
10850 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10851 mono_mb_emit_byte (mb, CEE_RET);
10854 #endif /* DISABLE_JIT */
10856 res = mono_mb_create_method (mb, signature, 4);
10857 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10859 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
10860 info->d.virtual_stelemref.kind = kind;
10861 mono_marshal_set_wrapper_info (res, info);
10863 mono_marshal_lock ();
10864 if (!cached_methods [kind]) {
10865 cached_methods [kind] = res;
10866 mono_marshal_unlock ();
10868 mono_marshal_unlock ();
10869 mono_free_method (res);
10873 return cached_methods [kind];
10877 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10881 g_assert (array_class->rank == 1);
10882 kind = get_virtual_stelemref_kind (array_class->element_class);
10884 return get_virtual_stelemref_wrapper (kind);
10888 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
10893 *nwrappers = STELEMREF_KIND_COUNT;
10894 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
10895 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
10896 res [i] = get_virtual_stelemref_wrapper (i);
10901 * The wrapper info for the wrapper is a WrapperInfo structure.
10904 mono_marshal_get_stelemref ()
10906 static MonoMethod* ret = NULL;
10907 MonoMethodSignature *sig;
10908 MonoMethodBuilder *mb;
10911 guint32 b1, b2, b3, b4;
10913 int aklass, vklass;
10914 int array_slot_addr;
10919 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10922 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10924 /* void stelemref (void* array, int idx, void* value) */
10925 sig->ret = &mono_defaults.void_class->byval_arg;
10926 sig->params [0] = &mono_defaults.object_class->byval_arg;
10927 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10928 sig->params [2] = &mono_defaults.object_class->byval_arg;
10930 #ifndef DISABLE_JIT
10931 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10932 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10933 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10937 <ldelema (bound check)>
10941 aklass = array->vtable->klass->element_class;
10942 vklass = value->vtable->klass;
10944 if (vklass->idepth < aklass->idepth)
10947 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10951 *array_slot_addr = value;
10955 if (mono_object_isinst (value, aklass))
10958 throw new ArrayTypeMismatchException ();
10961 /* ldelema (implicit bound check) */
10962 mono_mb_emit_ldarg (mb, 0);
10963 mono_mb_emit_ldarg (mb, 1);
10964 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10965 mono_mb_emit_stloc (mb, array_slot_addr);
10967 /* if (!value) goto do_store */
10968 mono_mb_emit_ldarg (mb, 2);
10969 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10971 /* aklass = array->vtable->klass->element_class */
10972 mono_mb_emit_ldarg (mb, 0);
10973 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10974 mono_mb_emit_byte (mb, CEE_LDIND_I);
10975 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10976 mono_mb_emit_byte (mb, CEE_LDIND_I);
10977 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10978 mono_mb_emit_byte (mb, CEE_LDIND_I);
10979 mono_mb_emit_stloc (mb, aklass);
10981 /* vklass = value->vtable->klass */
10982 mono_mb_emit_ldarg (mb, 2);
10983 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10984 mono_mb_emit_byte (mb, CEE_LDIND_I);
10985 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10986 mono_mb_emit_byte (mb, CEE_LDIND_I);
10987 mono_mb_emit_stloc (mb, vklass);
10989 /* if (vklass->idepth < aklass->idepth) goto failue */
10990 mono_mb_emit_ldloc (mb, vklass);
10991 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10992 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10994 mono_mb_emit_ldloc (mb, aklass);
10995 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10996 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10998 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11000 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11001 mono_mb_emit_ldloc (mb, vklass);
11002 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11003 mono_mb_emit_byte (mb, CEE_LDIND_I);
11005 mono_mb_emit_ldloc (mb, aklass);
11006 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11007 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11008 mono_mb_emit_icon (mb, 1);
11009 mono_mb_emit_byte (mb, CEE_SUB);
11010 mono_mb_emit_icon (mb, sizeof (void*));
11011 mono_mb_emit_byte (mb, CEE_MUL);
11012 mono_mb_emit_byte (mb, CEE_ADD);
11013 mono_mb_emit_byte (mb, CEE_LDIND_I);
11015 mono_mb_emit_ldloc (mb, aklass);
11017 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11019 copy_pos = mono_mb_get_label (mb);
11021 mono_mb_patch_branch (mb, b1);
11022 mono_mb_emit_ldloc (mb, array_slot_addr);
11023 mono_mb_emit_ldarg (mb, 2);
11024 mono_mb_emit_byte (mb, CEE_STIND_REF);
11026 mono_mb_emit_byte (mb, CEE_RET);
11029 mono_mb_patch_branch (mb, b2);
11030 mono_mb_patch_branch (mb, b3);
11032 mono_mb_emit_ldarg (mb, 2);
11033 mono_mb_emit_ldloc (mb, aklass);
11034 mono_mb_emit_icall (mb, mono_object_isinst);
11036 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11037 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11038 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11040 mono_mb_emit_byte (mb, CEE_RET);
11043 ret = mono_mb_create_method (mb, sig, 4);
11046 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11047 mono_marshal_set_wrapper_info (ret, info);
11053 * mono_marshal_get_gsharedvt_in_wrapper:
11055 * This wrapper handles calls from normal code to gsharedvt code.
11057 * The wrapper info for the wrapper is a WrapperInfo structure.
11060 mono_marshal_get_gsharedvt_in_wrapper (void)
11062 static MonoMethod* ret = NULL;
11063 MonoMethodSignature *sig;
11064 MonoMethodBuilder *mb;
11070 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11072 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11073 sig->ret = &mono_defaults.void_class->byval_arg;
11075 #ifndef DISABLE_JIT
11077 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11079 mono_mb_emit_byte (mb, CEE_RET);
11082 ret = mono_mb_create_method (mb, sig, 4);
11085 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11086 mono_marshal_set_wrapper_info (ret, info);
11092 * mono_marshal_get_gsharedvt_out_wrapper:
11094 * This wrapper handles calls from gsharedvt code to normal code.
11096 * The wrapper info for the wrapper is a WrapperInfo structure.
11099 mono_marshal_get_gsharedvt_out_wrapper (void)
11101 static MonoMethod* ret = NULL;
11102 MonoMethodSignature *sig;
11103 MonoMethodBuilder *mb;
11109 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11111 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11112 sig->ret = &mono_defaults.void_class->byval_arg;
11114 #ifndef DISABLE_JIT
11116 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11118 mono_mb_emit_byte (mb, CEE_RET);
11121 ret = mono_mb_create_method (mb, sig, 4);
11124 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11125 mono_marshal_set_wrapper_info (ret, info);
11133 MonoMethod *method;
11136 /* LOCKING: vars accessed under the marshal lock */
11137 static ArrayElemAddr *elem_addr_cache = NULL;
11138 static int elem_addr_cache_size = 0;
11139 static int elem_addr_cache_next = 0;
11142 * mono_marshal_get_array_address:
11143 * @rank: rank of the array type
11144 * @elem_size: size in bytes of an element of an array.
11146 * Returns a MonoMethd that implements the code to get the address
11147 * of an element in a multi-dimenasional array of @rank dimensions.
11148 * The returned method takes an array as the first argument and then
11149 * @rank indexes for the @rank dimensions.
11152 mono_marshal_get_array_address (int rank, int elem_size)
11155 MonoMethodBuilder *mb;
11156 MonoMethodSignature *sig;
11157 int i, bounds, ind, realidx;
11158 int branch_pos, *branch_positions;
11162 mono_marshal_lock ();
11163 for (i = 0; i < elem_addr_cache_next; ++i) {
11164 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11165 ret = elem_addr_cache [i].method;
11169 mono_marshal_unlock ();
11173 branch_positions = g_new0 (int, rank);
11175 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11177 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11178 sig->ret = &mono_defaults.int_class->byval_arg;
11179 sig->params [0] = &mono_defaults.object_class->byval_arg;
11180 for (i = 0; i < rank; ++i) {
11181 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11184 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11186 #ifndef DISABLE_JIT
11187 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11188 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11189 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11191 /* bounds = array->bounds; */
11192 mono_mb_emit_ldarg (mb, 0);
11193 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11194 mono_mb_emit_byte (mb, CEE_LDIND_I);
11195 mono_mb_emit_stloc (mb, bounds);
11197 /* ind is the overall element index, realidx is the partial index in a single dimension */
11198 /* ind = idx0 - bounds [0].lower_bound */
11199 mono_mb_emit_ldarg (mb, 1);
11200 mono_mb_emit_ldloc (mb, bounds);
11201 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11202 mono_mb_emit_byte (mb, CEE_ADD);
11203 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11204 mono_mb_emit_byte (mb, CEE_SUB);
11205 mono_mb_emit_stloc (mb, ind);
11206 /* if (ind >= bounds [0].length) goto exeception; */
11207 mono_mb_emit_ldloc (mb, ind);
11208 mono_mb_emit_ldloc (mb, bounds);
11209 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11210 mono_mb_emit_byte (mb, CEE_ADD);
11211 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11212 /* note that we use unsigned comparison */
11213 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11215 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11216 * We could also decide to ignore the passed elem_size and get it
11217 * from the array object, to reduce the number of methods we generate:
11218 * the additional cost is 3 memory loads and a non-immediate mul.
11220 for (i = 1; i < rank; ++i) {
11221 /* realidx = idxi - bounds [i].lower_bound */
11222 mono_mb_emit_ldarg (mb, 1 + i);
11223 mono_mb_emit_ldloc (mb, bounds);
11224 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11225 mono_mb_emit_byte (mb, CEE_ADD);
11226 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11227 mono_mb_emit_byte (mb, CEE_SUB);
11228 mono_mb_emit_stloc (mb, realidx);
11229 /* if (realidx >= bounds [i].length) goto exeception; */
11230 mono_mb_emit_ldloc (mb, realidx);
11231 mono_mb_emit_ldloc (mb, bounds);
11232 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11233 mono_mb_emit_byte (mb, CEE_ADD);
11234 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11235 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11236 /* ind = ind * bounds [i].length + realidx */
11237 mono_mb_emit_ldloc (mb, ind);
11238 mono_mb_emit_ldloc (mb, bounds);
11239 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11240 mono_mb_emit_byte (mb, CEE_ADD);
11241 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11242 mono_mb_emit_byte (mb, CEE_MUL);
11243 mono_mb_emit_ldloc (mb, realidx);
11244 mono_mb_emit_byte (mb, CEE_ADD);
11245 mono_mb_emit_stloc (mb, ind);
11248 /* return array->vector + ind * element_size */
11249 mono_mb_emit_ldarg (mb, 0);
11250 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11251 mono_mb_emit_ldloc (mb, ind);
11252 mono_mb_emit_icon (mb, elem_size);
11253 mono_mb_emit_byte (mb, CEE_MUL);
11254 mono_mb_emit_byte (mb, CEE_ADD);
11255 mono_mb_emit_byte (mb, CEE_RET);
11257 /* patch the branches to get here and throw */
11258 for (i = 1; i < rank; ++i) {
11259 mono_mb_patch_branch (mb, branch_positions [i]);
11261 mono_mb_patch_branch (mb, branch_pos);
11262 /* throw exception */
11263 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11265 g_free (branch_positions);
11266 #endif /* DISABLE_JIT */
11268 ret = mono_mb_create_method (mb, sig, 4);
11271 /* cache the result */
11273 mono_marshal_lock ();
11274 for (i = 0; i < elem_addr_cache_next; ++i) {
11275 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11276 /* FIXME: free ret */
11277 ret = elem_addr_cache [i].method;
11285 if (elem_addr_cache_next >= elem_addr_cache_size) {
11286 int new_size = elem_addr_cache_size + 4;
11287 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11288 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11289 g_free (elem_addr_cache);
11290 elem_addr_cache = new_array;
11291 elem_addr_cache_size = new_size;
11293 elem_addr_cache [elem_addr_cache_next].rank = rank;
11294 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11295 elem_addr_cache [elem_addr_cache_next].method = ret;
11296 elem_addr_cache_next ++;
11298 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11299 info->d.element_addr.rank = rank;
11300 info->d.element_addr.elem_size = elem_size;
11301 mono_marshal_set_wrapper_info (ret, info);
11303 mono_marshal_unlock ();
11308 mono_marshal_alloc (gulong size)
11313 res = CoTaskMemAlloc (size);
11315 res = g_try_malloc ((gulong)size);
11317 mono_gc_out_of_memory ((gulong)size);
11323 mono_marshal_free (gpointer ptr)
11326 CoTaskMemFree (ptr);
11333 mono_marshal_free_array (gpointer *ptr, int size)
11340 for (i = 0; i < size; i++)
11346 mono_marshal_string_to_utf16 (MonoString *s)
11348 return s ? mono_string_chars (s) : NULL;
11352 mono_marshal_string_to_utf16_copy (MonoString *s)
11357 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11358 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11359 res [mono_string_length (s)] = 0;
11365 * mono_marshal_set_last_error:
11367 * This function is invoked to set the last error value from a P/Invoke call
11368 * which has SetLastError set.
11371 mono_marshal_set_last_error (void)
11374 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11376 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11381 mono_marshal_set_last_error_windows (int error)
11384 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11389 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11390 gpointer dest, gint32 length)
11395 MONO_ARCH_SAVE_REGS;
11397 MONO_CHECK_ARG_NULL (src);
11398 MONO_CHECK_ARG_NULL (dest);
11400 if (src->obj.vtable->klass->rank != 1)
11401 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11402 if (start_index < 0)
11403 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11405 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11406 if (start_index + length > mono_array_length (src))
11407 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11409 element_size = mono_array_element_size (src->obj.vtable->klass);
11411 /* no references should be involved */
11412 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11414 memcpy (dest, source_addr, length * element_size);
11418 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11419 MonoArray *dest, gint32 length)
11424 MONO_ARCH_SAVE_REGS;
11426 MONO_CHECK_ARG_NULL (src);
11427 MONO_CHECK_ARG_NULL (dest);
11429 if (dest->obj.vtable->klass->rank != 1)
11430 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11431 if (start_index < 0)
11432 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11434 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11435 if (start_index + length > mono_array_length (dest))
11436 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11438 element_size = mono_array_element_size (dest->obj.vtable->klass);
11440 /* no references should be involved */
11441 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11443 memcpy (dest_addr, src, length * element_size);
11446 #if NO_UNALIGNED_ACCESS
11447 #define RETURN_UNALIGNED(type, addr) \
11450 memcpy(&val, p + offset, sizeof(val)); \
11453 #define WRITE_UNALIGNED(type, addr, val) \
11454 memcpy(addr, &val, sizeof(type))
11456 #define RETURN_UNALIGNED(type, addr) \
11457 return *(type*)(p + offset);
11458 #define WRITE_UNALIGNED(type, addr, val) \
11459 (*(type *)(addr) = (val))
11463 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
11467 MONO_ARCH_SAVE_REGS;
11469 RETURN_UNALIGNED(gpointer, p + offset);
11473 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
11477 MONO_ARCH_SAVE_REGS;
11479 return *(unsigned char*)(p + offset);
11483 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
11487 MONO_ARCH_SAVE_REGS;
11489 RETURN_UNALIGNED(gint16, p + offset);
11493 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
11497 MONO_ARCH_SAVE_REGS;
11499 RETURN_UNALIGNED(gint32, p + offset);
11503 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
11507 MONO_ARCH_SAVE_REGS;
11509 RETURN_UNALIGNED(gint64, p + offset);
11513 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
11517 MONO_ARCH_SAVE_REGS;
11519 *(unsigned char*)(p + offset) = val;
11523 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
11527 MONO_ARCH_SAVE_REGS;
11529 WRITE_UNALIGNED(gpointer, p + offset, val);
11533 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
11537 MONO_ARCH_SAVE_REGS;
11539 WRITE_UNALIGNED(gint16, p + offset, val);
11543 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
11547 MONO_ARCH_SAVE_REGS;
11549 WRITE_UNALIGNED(gint32, p + offset, val);
11553 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
11557 MONO_ARCH_SAVE_REGS;
11559 WRITE_UNALIGNED(gint64, p + offset, val);
11563 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11565 MONO_ARCH_SAVE_REGS;
11570 return mono_string_new (mono_domain_get (), ptr);
11574 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11576 MONO_ARCH_SAVE_REGS;
11579 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11580 g_assert_not_reached ();
11583 return mono_string_new_len (mono_domain_get (), ptr, len);
11588 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11590 MonoDomain *domain = mono_domain_get ();
11594 MONO_ARCH_SAVE_REGS;
11602 return mono_string_new_utf16 (domain, ptr, len);
11606 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11608 MonoDomain *domain = mono_domain_get ();
11610 MONO_ARCH_SAVE_REGS;
11613 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11614 g_assert_not_reached ();
11617 return mono_string_new_utf16 (domain, ptr, len);
11622 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11624 MONO_ARCH_SAVE_REGS;
11626 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11630 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11636 MONO_ARCH_SAVE_REGS;
11638 MONO_CHECK_ARG_NULL (rtype);
11640 type = rtype->type;
11641 klass = mono_class_from_mono_type (type);
11642 if (!mono_class_init (klass))
11643 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11645 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11647 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11649 MonoException *exc;
11651 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11652 exc = mono_get_exception_argument ("t", msg);
11654 mono_raise_exception (exc);
11658 return mono_class_native_size (klass, NULL);
11662 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11664 MonoMethod *method;
11667 MONO_ARCH_SAVE_REGS;
11669 MONO_CHECK_ARG_NULL (obj);
11670 MONO_CHECK_ARG_NULL (dst);
11672 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11676 pa [2] = &delete_old;
11678 mono_runtime_invoke (method, NULL, pa, NULL);
11682 ptr_to_structure (gpointer src, MonoObject *dst)
11684 MonoMethod *method;
11687 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11692 mono_runtime_invoke (method, NULL, pa, NULL);
11696 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11700 MONO_ARCH_SAVE_REGS;
11702 MONO_CHECK_ARG_NULL (src);
11703 MONO_CHECK_ARG_NULL (dst);
11705 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11707 if (t->type == MONO_TYPE_VALUETYPE) {
11708 MonoException *exc;
11711 tmp = g_strdup_printf ("Destination is a boxed value type.");
11712 exc = mono_get_exception_argument ("dst", tmp);
11715 mono_raise_exception (exc);
11719 ptr_to_structure (src, dst);
11723 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11726 MonoDomain *domain = mono_domain_get ();
11729 MONO_ARCH_SAVE_REGS;
11731 MONO_CHECK_ARG_NULL (src);
11732 MONO_CHECK_ARG_NULL (type);
11734 klass = mono_class_from_mono_type (type->type);
11735 if (!mono_class_init (klass))
11736 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11738 res = mono_object_new (domain, klass);
11740 ptr_to_structure (src, res);
11746 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11748 MonoMarshalType *info;
11751 int match_index = -1;
11753 MONO_ARCH_SAVE_REGS;
11755 MONO_CHECK_ARG_NULL (type);
11756 MONO_CHECK_ARG_NULL (field_name);
11758 fname = mono_string_to_utf8 (field_name);
11759 klass = mono_class_from_mono_type (type->type);
11760 if (!mono_class_init (klass))
11761 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11763 while (klass && match_index == -1) {
11764 MonoClassField* field;
11766 gpointer iter = NULL;
11767 while ((field = mono_class_get_fields (klass, &iter))) {
11768 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11770 if (!strcmp (fname, mono_field_get_name (field))) {
11777 if (match_index == -1)
11778 klass = klass->parent;
11783 if(match_index == -1) {
11784 MonoException* exc;
11787 /* Get back original class instance */
11788 klass = mono_class_from_mono_type (type->type);
11790 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11791 exc = mono_get_exception_argument ("fieldName", tmp);
11794 mono_raise_exception ((MonoException*)exc);
11797 info = mono_marshal_load_type_info (klass);
11798 return info->fields [match_index].offset;
11802 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11807 tres = mono_string_to_utf8 (string);
11811 len = strlen (tres) + 1;
11812 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11813 memcpy (ret, tres, len);
11818 return mono_string_to_utf8 (string);
11823 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11825 MONO_ARCH_SAVE_REGS;
11827 if (string == NULL)
11830 #ifdef TARGET_WIN32
11831 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11832 ((mono_string_length (string) + 1) * 2);
11834 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11836 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11837 res [mono_string_length (string)] = 0;
11843 mono_struct_delete_old (MonoClass *klass, char *ptr)
11845 MonoMarshalType *info;
11848 info = mono_marshal_load_type_info (klass);
11850 for (i = 0; i < info->num_fields; i++) {
11851 MonoMarshalNative ntype;
11852 MonoMarshalConv conv;
11853 MonoType *ftype = info->fields [i].field->type;
11856 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11859 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11860 klass->unicode, &conv);
11862 cpos = ptr + info->fields [i].offset;
11865 case MONO_MARSHAL_CONV_NONE:
11866 if (MONO_TYPE_ISSTRUCT (ftype)) {
11867 mono_struct_delete_old (ftype->data.klass, cpos);
11871 case MONO_MARSHAL_CONV_STR_LPWSTR:
11872 /* We assume this field points inside a MonoString */
11874 case MONO_MARSHAL_CONV_STR_LPTSTR:
11875 #ifdef TARGET_WIN32
11876 /* We assume this field points inside a MonoString
11880 case MONO_MARSHAL_CONV_STR_LPSTR:
11881 case MONO_MARSHAL_CONV_STR_BSTR:
11882 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11883 case MONO_MARSHAL_CONV_STR_TBSTR:
11884 mono_marshal_free (*(gpointer *)cpos);
11894 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11898 MONO_ARCH_SAVE_REGS;
11900 MONO_CHECK_ARG_NULL (src);
11901 MONO_CHECK_ARG_NULL (type);
11903 klass = mono_class_from_mono_type (type->type);
11904 if (!mono_class_init (klass))
11905 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11907 mono_struct_delete_old (klass, (char *)src);
11911 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11915 MONO_ARCH_SAVE_REGS;
11917 if ((gulong)size == 0)
11918 /* This returns a valid pointer for size 0 on MS.NET */
11922 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11924 res = g_try_malloc ((gulong)size);
11927 mono_gc_out_of_memory ((gulong)size);
11933 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11938 mono_gc_out_of_memory ((gulong)size);
11943 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11945 res = g_try_realloc (ptr, (gulong)size);
11948 mono_gc_out_of_memory ((gulong)size);
11954 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11956 MONO_ARCH_SAVE_REGS;
11966 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11968 MONO_ARCH_SAVE_REGS;
11971 return CoTaskMemAlloc (size);
11973 return g_try_malloc ((gulong)size);
11978 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11980 MONO_ARCH_SAVE_REGS;
11983 CoTaskMemFree (ptr);
11990 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11992 MONO_ARCH_SAVE_REGS;
11995 return CoTaskMemRealloc (ptr, size);
11997 return g_try_realloc (ptr, (gulong)size);
12002 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
12004 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
12008 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
12010 MonoClass *klass = mono_type_get_class (type->type);
12011 if (!mono_class_init (klass))
12012 mono_raise_exception (mono_class_get_exception_for_failure (klass));
12014 return mono_ftnptr_to_delegate (klass, ftn);
12018 * mono_marshal_is_loading_type_info:
12020 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
12024 mono_marshal_is_loading_type_info (MonoClass *klass)
12026 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12028 return g_slist_find (loads_list, klass) != NULL;
12032 * mono_marshal_load_type_info:
12034 * Initialize klass->marshal_info using information from metadata. This function can
12035 * recursively call itself, and the caller is responsible to avoid that by calling
12036 * mono_marshal_is_loading_type_info () beforehand.
12038 * LOCKING: Acquires the loader lock.
12041 mono_marshal_load_type_info (MonoClass* klass)
12044 guint32 native_size = 0, min_align = 1, packing;
12045 MonoMarshalType *info;
12046 MonoClassField* field;
12049 GSList *loads_list;
12051 g_assert (klass != NULL);
12053 if (klass->marshal_info)
12054 return klass->marshal_info;
12056 if (!klass->inited)
12057 mono_class_init (klass);
12059 mono_loader_lock ();
12061 if (klass->marshal_info) {
12062 mono_loader_unlock ();
12063 return klass->marshal_info;
12067 * This function can recursively call itself, so we keep the list of classes which are
12068 * under initialization in a TLS list.
12070 g_assert (!mono_marshal_is_loading_type_info (klass));
12071 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12072 loads_list = g_slist_prepend (loads_list, klass);
12073 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12076 while ((field = mono_class_get_fields (klass, &iter))) {
12077 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12079 if (mono_field_is_deleted (field))
12084 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
12086 /* The mempool is protected by the loader lock */
12087 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
12088 info->num_fields = count;
12090 /* Try to find a size for this type in metadata */
12091 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
12093 if (klass->parent) {
12094 int parent_size = mono_class_native_size (klass->parent, NULL);
12096 /* Add parent size to real size */
12097 native_size += parent_size;
12098 info->native_size = parent_size;
12101 packing = klass->packing_size ? klass->packing_size : 8;
12104 while ((field = mono_class_get_fields (klass, &iter))) {
12108 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12111 if (mono_field_is_deleted (field))
12113 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12114 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12115 NULL, NULL, &info->fields [j].mspec);
12117 info->fields [j].field = field;
12119 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12120 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12121 /* This field is a hack inserted by MCS to empty structures */
12126 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12127 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12128 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12129 &align, TRUE, klass->unicode);
12130 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12131 min_align = MAX (align, min_align);
12132 info->fields [j].offset = info->native_size;
12133 info->fields [j].offset += align - 1;
12134 info->fields [j].offset &= ~(align - 1);
12135 info->native_size = info->fields [j].offset + size;
12137 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12138 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12139 &align, TRUE, klass->unicode);
12140 min_align = packing;
12141 info->fields [j].offset = field->offset - sizeof (MonoObject);
12142 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12148 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12149 info->native_size = MAX (native_size, info->native_size);
12151 * If the provided Size is equal or larger than the calculated size, and there
12152 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12154 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12155 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12159 if (info->native_size & (min_align - 1)) {
12160 info->native_size += min_align - 1;
12161 info->native_size &= ~(min_align - 1);
12164 info->min_align = min_align;
12166 /* Update the class's blittable info, if the layouts don't match */
12167 if (info->native_size != mono_class_value_size (klass, NULL))
12168 klass->blittable = FALSE;
12170 /* If this is an array type, ensure that we have element info */
12171 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12172 mono_marshal_load_type_info (klass->element_class);
12175 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12176 loads_list = g_slist_remove (loads_list, klass);
12177 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12179 /*We do double-checking locking on marshal_info */
12180 mono_memory_barrier ();
12182 klass->marshal_info = info;
12184 mono_loader_unlock ();
12186 return klass->marshal_info;
12190 * mono_class_native_size:
12193 * Returns: the native size of an object instance (when marshaled
12194 * to unmanaged code)
12197 mono_class_native_size (MonoClass *klass, guint32 *align)
12199 if (!klass->marshal_info) {
12200 if (mono_marshal_is_loading_type_info (klass)) {
12205 mono_marshal_load_type_info (klass);
12210 *align = klass->marshal_info->min_align;
12212 return klass->marshal_info->native_size;
12215 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12216 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12217 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12218 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12221 * mono_type_native_stack_size:
12222 * @t: the type to return the size it uses on the stack
12224 * Returns: the number of bytes required to hold an instance of this
12225 * type on the native stack
12228 mono_type_native_stack_size (MonoType *t, guint32 *align)
12232 g_assert (t != NULL);
12238 *align = sizeof (gpointer);
12239 return sizeof (gpointer);
12243 case MONO_TYPE_BOOLEAN:
12244 case MONO_TYPE_CHAR:
12255 case MONO_TYPE_STRING:
12256 case MONO_TYPE_OBJECT:
12257 case MONO_TYPE_CLASS:
12258 case MONO_TYPE_SZARRAY:
12259 case MONO_TYPE_PTR:
12260 case MONO_TYPE_FNPTR:
12261 case MONO_TYPE_ARRAY:
12262 *align = sizeof (gpointer);
12263 return sizeof (gpointer);
12268 *align = ALIGNMENT (gdouble);
12272 *align = ALIGNMENT (glong);
12274 case MONO_TYPE_GENERICINST:
12275 if (!mono_type_generic_inst_is_valuetype (t)) {
12276 *align = sizeof (gpointer);
12277 return sizeof (gpointer);
12280 case MONO_TYPE_TYPEDBYREF:
12281 case MONO_TYPE_VALUETYPE: {
12283 MonoClass *klass = mono_class_from_mono_type (t);
12285 if (klass->enumtype)
12286 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12288 size = mono_class_native_size (klass, align);
12289 *align = *align + 3;
12299 g_error ("type 0x%02x unknown", t->type);
12305 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12306 gboolean as_field, gboolean unicode)
12308 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12311 switch (native_type) {
12312 case MONO_NATIVE_BOOLEAN:
12315 case MONO_NATIVE_I1:
12316 case MONO_NATIVE_U1:
12319 case MONO_NATIVE_I2:
12320 case MONO_NATIVE_U2:
12321 case MONO_NATIVE_VARIANTBOOL:
12324 case MONO_NATIVE_I4:
12325 case MONO_NATIVE_U4:
12326 case MONO_NATIVE_ERROR:
12329 case MONO_NATIVE_I8:
12330 case MONO_NATIVE_U8:
12331 *align = ALIGNMENT(guint64);
12333 case MONO_NATIVE_R4:
12336 case MONO_NATIVE_R8:
12337 *align = ALIGNMENT(double);
12339 case MONO_NATIVE_INT:
12340 case MONO_NATIVE_UINT:
12341 case MONO_NATIVE_LPSTR:
12342 case MONO_NATIVE_LPWSTR:
12343 case MONO_NATIVE_LPTSTR:
12344 case MONO_NATIVE_BSTR:
12345 case MONO_NATIVE_ANSIBSTR:
12346 case MONO_NATIVE_TBSTR:
12347 case MONO_NATIVE_LPARRAY:
12348 case MONO_NATIVE_SAFEARRAY:
12349 case MONO_NATIVE_IUNKNOWN:
12350 case MONO_NATIVE_IDISPATCH:
12351 case MONO_NATIVE_INTERFACE:
12352 case MONO_NATIVE_ASANY:
12353 case MONO_NATIVE_FUNC:
12354 case MONO_NATIVE_LPSTRUCT:
12355 *align = ALIGNMENT(gpointer);
12356 return sizeof (gpointer);
12357 case MONO_NATIVE_STRUCT:
12358 klass = mono_class_from_mono_type (type);
12359 if (klass == mono_defaults.object_class &&
12360 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12364 return mono_class_native_size (klass, align);
12365 case MONO_NATIVE_BYVALTSTR: {
12366 int esize = unicode ? 2: 1;
12369 return mspec->data.array_data.num_elem * esize;
12371 case MONO_NATIVE_BYVALARRAY: {
12372 // FIXME: Have to consider ArraySubType
12374 klass = mono_class_from_mono_type (type);
12375 if (klass->element_class == mono_defaults.char_class) {
12376 esize = unicode ? 2 : 1;
12379 esize = mono_class_native_size (klass->element_class, align);
12382 return mspec->data.array_data.num_elem * esize;
12384 case MONO_NATIVE_CUSTOM:
12385 *align = sizeof (gpointer);
12386 return sizeof (gpointer);
12388 case MONO_NATIVE_CURRENCY:
12389 case MONO_NATIVE_VBBYREFSTR:
12391 g_error ("native type %02x not implemented", native_type);
12394 g_assert_not_reached ();
12399 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12407 t = &o->vtable->klass->byval_arg;
12411 case MONO_TYPE_PTR:
12414 case MONO_TYPE_BOOLEAN:
12417 case MONO_TYPE_CHAR:
12422 return mono_object_unbox (o);
12424 case MONO_TYPE_STRING:
12425 switch (string_encoding) {
12426 case MONO_NATIVE_LPWSTR:
12427 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12429 case MONO_NATIVE_LPSTR:
12430 return mono_string_to_lpstr ((MonoString*)o);
12433 g_warning ("marshaling conversion %d not implemented", string_encoding);
12434 g_assert_not_reached ();
12437 case MONO_TYPE_CLASS:
12438 case MONO_TYPE_VALUETYPE: {
12439 MonoMethod *method;
12442 MonoBoolean delete_old = FALSE;
12444 klass = t->data.klass;
12446 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12449 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12450 klass->blittable || klass->enumtype))
12451 return mono_object_unbox (o);
12453 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12455 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12456 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12460 pa [2] = &delete_old;
12462 mono_runtime_invoke (method, NULL, pa, NULL);
12469 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12475 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12483 t = &o->vtable->klass->byval_arg;
12485 case MONO_TYPE_STRING:
12486 switch (string_encoding) {
12487 case MONO_NATIVE_LPWSTR:
12488 case MONO_NATIVE_LPSTR:
12489 mono_marshal_free (ptr);
12492 g_warning ("marshaling conversion %d not implemented", string_encoding);
12493 g_assert_not_reached ();
12496 case MONO_TYPE_CLASS:
12497 case MONO_TYPE_VALUETYPE: {
12498 klass = t->data.klass;
12500 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12501 klass->blittable || klass->enumtype))
12504 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12505 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12511 mono_runtime_invoke (method, NULL, pa, NULL);
12514 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12515 mono_struct_delete_old (klass, ptr);
12518 mono_marshal_free (ptr);
12527 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12529 MonoMethodSignature *sig, *csig;
12530 MonoMethodBuilder *mb;
12535 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12536 mb->method->slot = -1;
12538 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12539 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12541 sig = mono_method_signature (method);
12542 csig = signature_dup (method->klass->image, sig);
12543 csig->generic_param_count = 0;
12545 #ifndef DISABLE_JIT
12546 mono_mb_emit_ldarg (mb, 0);
12547 for (i = 0; i < csig->param_count; i++)
12548 mono_mb_emit_ldarg (mb, i + 1);
12549 mono_mb_emit_managed_call (mb, method, NULL);
12550 mono_mb_emit_byte (mb, CEE_RET);
12552 /* We can corlib internal methods */
12553 mb->skip_visibility = TRUE;
12556 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12558 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12559 info->d.generic_array_helper.method = method;
12560 mono_marshal_set_wrapper_info (res, info);
12568 * The mono_win32_compat_* functions are implementations of inline
12569 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12570 * although not exported by kernel32.
12572 * We map the appropiate kernel32 entries to these functions using
12573 * dllmaps declared in the global etc/mono/config.
12577 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12579 if (!dest || !source)
12582 memcpy (dest, source, length);
12586 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12588 memset (dest, fill, length);
12592 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12594 if (!dest || !source)
12597 memmove (dest, source, length);
12601 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12603 memset (dest, 0, length);
12607 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12612 for (i = 0; i < len; ++i)
12616 g_assert (i < len);
12619 while (byte && !(byte & 1))
12621 g_assert (byte == 1);
12624 *bitmask = buf [i];
12628 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12630 MonoMethodBuilder *mb;
12631 MonoMethodSignature *sig, *csig;
12632 MonoExceptionClause *clause;
12637 int i, param_count, sig_size, pos_leave;
12641 klass = method->klass;
12642 image = method->klass->image;
12643 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12645 if ((res = mono_marshal_find_in_cache (cache, method)))
12648 sig = mono_method_signature (method);
12649 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12651 /* add "this" and exception param */
12652 param_count = sig->param_count + sig->hasthis + 1;
12654 /* dup & extend signature */
12655 csig = mono_metadata_signature_alloc (image, param_count);
12656 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12657 memcpy (csig, sig, sig_size);
12658 csig->param_count = param_count;
12661 csig->call_convention = MONO_CALL_DEFAULT;
12663 if (sig->hasthis) {
12665 csig->params [0] = &klass->byval_arg;
12666 /* move params up by one */
12667 for (i = 0; i < sig->param_count; i++)
12668 csig->params [i + 1] = sig->params [i];
12671 /* setup exception param as byref+[out] */
12672 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12673 &mono_defaults.exception_class->byval_arg);
12674 csig->params [param_count - 1]->byref = 1;
12675 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12677 /* convert struct return to object */
12678 if (MONO_TYPE_ISSTRUCT (sig->ret))
12679 csig->ret = &mono_defaults.object_class->byval_arg;
12681 #ifndef DISABLE_JIT
12682 /* local 0 (temp for exception object) */
12683 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12685 /* local 1 (temp for result) */
12686 if (!MONO_TYPE_IS_VOID (sig->ret))
12687 mono_mb_add_local (mb, sig->ret);
12689 /* clear exception arg */
12690 mono_mb_emit_ldarg (mb, param_count - 1);
12691 mono_mb_emit_byte (mb, CEE_LDNULL);
12692 mono_mb_emit_byte (mb, CEE_STIND_REF);
12695 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12696 clause->try_offset = mono_mb_get_label (mb);
12698 /* push method's args */
12699 for (i = 0; i < param_count - 1; i++) {
12703 mono_mb_emit_ldarg (mb, i);
12705 /* get the byval type of the param */
12706 klass = mono_class_from_mono_type (csig->params [i]);
12707 type = &klass->byval_arg;
12709 /* unbox struct args */
12710 if (MONO_TYPE_ISSTRUCT (type)) {
12711 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12713 /* byref args & and the "this" arg must remain a ptr.
12714 Otherwise make a copy of the value type */
12715 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12716 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12718 csig->params [i] = &mono_defaults.object_class->byval_arg;
12723 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12724 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12726 mono_mb_emit_op (mb, CEE_CALL, method);
12728 /* save result at local 1 */
12729 if (!MONO_TYPE_IS_VOID (sig->ret))
12730 mono_mb_emit_stloc (mb, 1);
12732 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12735 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12736 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12737 clause->data.catch_class = mono_defaults.object_class;
12739 clause->handler_offset = mono_mb_get_label (mb);
12741 /* store exception at local 0 */
12742 mono_mb_emit_stloc (mb, 0);
12743 mono_mb_emit_ldarg (mb, param_count - 1);
12744 mono_mb_emit_ldloc (mb, 0);
12745 mono_mb_emit_byte (mb, CEE_STIND_REF);
12746 mono_mb_emit_branch (mb, CEE_LEAVE);
12748 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12750 mono_mb_set_clauses (mb, 1, clause);
12752 mono_mb_patch_branch (mb, pos_leave);
12755 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12756 mono_mb_emit_ldloc (mb, 1);
12758 /* box the return value */
12759 if (MONO_TYPE_ISSTRUCT (sig->ret))
12760 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12763 mono_mb_emit_byte (mb, CEE_RET);
12766 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12773 * mono_marshal_free_dynamic_wrappers:
12775 * Free wrappers of the dynamic method METHOD.
12778 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12780 MonoImage *image = method->klass->image;
12782 g_assert (method->dynamic);
12784 /* This could be called during shutdown */
12785 if (marshal_mutex_initialized)
12786 mono_marshal_lock ();
12788 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12789 * they could be shared with other methods ?
12791 if (image->runtime_invoke_direct_cache)
12792 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12793 if (image->delegate_bound_static_invoke_cache)
12794 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12795 if (image->delegate_abstract_invoke_cache)
12796 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12798 if (marshal_mutex_initialized)
12799 mono_marshal_unlock ();
12803 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12805 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12806 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12808 return mono_metadata_signature_equal (pair->sig, sig);
12812 * mono_marshal_free_inflated_wrappers:
12814 * Free wrappers of the inflated method METHOD.
12817 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12819 MonoMethodSignature *sig = method->signature;
12821 g_assert (method->is_inflated);
12823 /* Ignore calls occuring late during cleanup. */
12824 if (!marshal_mutex_initialized)
12827 mono_marshal_lock ();
12829 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12830 * they could be shared with other methods ?
12834 * indexed by MonoMethodSignature
12836 /* FIXME: This could remove unrelated wrappers as well */
12837 if (sig && method->klass->image->delegate_begin_invoke_cache)
12838 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12839 if (sig && method->klass->image->delegate_end_invoke_cache)
12840 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12841 if (sig && method->klass->image->delegate_invoke_cache)
12842 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12843 if (sig && method->klass->image->runtime_invoke_cache)
12844 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12847 * indexed by SignatureMethodPair
12849 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12850 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12851 signature_method_pair_matches_signature, (gpointer)sig);
12853 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12854 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12855 signature_method_pair_matches_signature, (gpointer)sig);
12858 * indexed by MonoMethod pointers
12860 if (method->klass->image->runtime_invoke_direct_cache)
12861 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12862 if (method->klass->image->managed_wrapper_cache)
12863 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12864 if (method->klass->image->native_wrapper_cache)
12865 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12866 if (method->klass->image->remoting_invoke_cache)
12867 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12868 if (method->klass->image->synchronized_cache)
12869 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12870 if (method->klass->image->unbox_wrapper_cache)
12871 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12872 if (method->klass->image->cominterop_invoke_cache)
12873 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12874 if (method->klass->image->cominterop_wrapper_cache)
12875 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12876 if (method->klass->image->thunk_invoke_cache)
12877 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12878 if (method->klass->image->native_func_wrapper_aot_cache)
12879 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
12881 mono_marshal_unlock ();