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"
41 #include "mono/utils/atomic.h"
45 /* #define DEBUG_RUNTIME_CODE */
47 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
51 MONO_MARSHAL_NONE, /* No marshalling needed */
52 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
53 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
54 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
55 } MonoXDomainMarshalType;
58 #include "mono/cil/opcode.def"
63 struct _MonoRemotingMethods {
65 MonoMethod *invoke_with_check;
66 MonoMethod *xdomain_invoke;
67 MonoMethod *xdomain_dispatch;
70 typedef struct _MonoRemotingMethods MonoRemotingMethods;
73 * This mutex protects the various marshalling related caches in MonoImage
74 * and a few other data structures static to this file.
75 * Note that when this lock is held it is not possible to take other runtime
76 * locks like the loader lock.
78 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
79 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
80 static CRITICAL_SECTION marshal_mutex;
81 static gboolean marshal_mutex_initialized;
83 static MonoNativeTlsKey last_error_tls_id;
85 static MonoNativeTlsKey load_type_info_tls_id;
87 static gboolean use_aot_wrappers;
90 delegate_hash_table_add (MonoDelegate *d);
93 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
96 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, MonoMarshalNative string_encoding);
99 mono_struct_delete_old (MonoClass *klass, char *ptr);
102 mono_marshal_string_to_utf16 (MonoString *s);
105 mono_marshal_string_to_utf16_copy (MonoString *s);
108 mono_string_to_lpstr (MonoString *string_obj);
110 static MonoStringBuilder *
111 mono_string_utf8_to_builder2 (char *text);
113 static MonoStringBuilder *
114 mono_string_utf16_to_builder2 (gunichar2 *text);
117 mono_string_new_len_wrapper (const char *text, guint length);
120 mono_string_from_byvalwstr (gunichar2 *data, int len);
123 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
126 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
129 static MonoAsyncResult *
130 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
133 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
136 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
139 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
142 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
144 #ifndef DISABLE_REMOTING
146 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
149 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
153 static MonoReflectionType *
154 type_from_handle (MonoType *handle);
157 mono_marshal_set_last_error_windows (int error);
159 static void init_safe_handle (void);
161 /* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
162 static MonoMethod *sh_dangerous_add_ref;
163 static MonoMethod *sh_dangerous_release;
169 sh_dangerous_add_ref = mono_class_get_method_from_name (
170 mono_defaults.safehandle_class, "DangerousAddRef", 1);
171 sh_dangerous_release = mono_class_get_method_from_name (
172 mono_defaults.safehandle_class, "DangerousRelease", 0);
176 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
178 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
180 mono_register_jit_icall (func, name, sig, save);
183 static MonoMethodSignature*
184 signature_dup (MonoImage *image, MonoMethodSignature *sig)
186 MonoMethodSignature *res;
189 res = mono_metadata_signature_alloc (image, sig->param_count);
190 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
191 memcpy (res, sig, sigsize);
197 mono_signature_no_pinvoke (MonoMethod *method)
199 MonoMethodSignature *sig = mono_method_signature (method);
201 sig = signature_dup (method->klass->image, sig);
202 sig->pinvoke = FALSE;
209 mono_marshal_init (void)
211 static gboolean module_initialized = FALSE;
213 if (!module_initialized) {
214 module_initialized = TRUE;
215 InitializeCriticalSection (&marshal_mutex);
216 marshal_mutex_initialized = TRUE;
217 mono_native_tls_alloc (&last_error_tls_id, NULL);
218 mono_native_tls_alloc (&load_type_info_tls_id, NULL);
220 register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
221 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
222 register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
223 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
224 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
225 register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
226 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
227 register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
228 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
229 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
230 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
231 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
232 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
233 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
234 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
235 register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
236 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
237 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
238 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
239 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
240 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
241 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
242 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
243 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
244 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
245 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
246 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
247 register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
248 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
249 register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
250 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
251 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
252 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
253 register_icall (g_free, "g_free", "void ptr", FALSE);
254 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
255 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
256 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
257 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
258 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
259 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
260 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
261 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
262 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
263 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
264 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
265 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
266 register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
267 register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
269 #ifndef DISABLE_REMOTING
270 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
271 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
273 mono_cominterop_init ();
278 mono_marshal_cleanup (void)
280 mono_cominterop_cleanup ();
282 mono_native_tls_free (load_type_info_tls_id);
283 mono_native_tls_free (last_error_tls_id);
284 DeleteCriticalSection (&marshal_mutex);
285 marshal_mutex_initialized = FALSE;
288 #ifndef DISABLE_REMOTING
289 static MonoClass *byte_array_class;
290 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
291 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
294 mono_remoting_marshal_init (void)
298 static gboolean module_initialized = FALSE;
300 if (!module_initialized) {
301 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
302 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
303 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
304 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
306 klass = mono_defaults.real_proxy_class;
307 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
309 klass = mono_defaults.exception_class;
310 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
312 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
314 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
315 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
317 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
318 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
320 module_initialized = TRUE;
326 mono_delegate_to_ftnptr (MonoDelegate *delegate)
328 MonoMethod *method, *wrapper;
330 uint32_t target_handle = 0;
335 if (delegate->delegate_trampoline)
336 return delegate->delegate_trampoline;
338 klass = ((MonoObject *)delegate)->vtable->klass;
339 g_assert (klass->delegate);
341 method = delegate->method;
343 if (mono_method_signature (method)->pinvoke) {
344 const char *exc_class, *exc_arg;
347 ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
349 g_assert (exc_class);
350 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
355 if (delegate->target) {
356 /* Produce a location which can be embedded in JITted code */
357 target_handle = mono_gchandle_new_weakref (delegate->target, FALSE);
360 wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle);
362 delegate->delegate_trampoline = mono_compile_method (wrapper);
364 // Add the delegate to the delegate hash table
365 delegate_hash_table_add (delegate);
367 /* when the object is collected, collect the dynamic method, too */
368 mono_object_register_finalizer ((MonoObject*)delegate);
370 return delegate->delegate_trampoline;
374 * this hash table maps from a delegate trampoline object to a weak reference
375 * of the delegate. As an optimizations with a non-moving GC we store the
376 * object pointer itself, otherwise we use a GC handle.
378 static GHashTable *delegate_hash_table;
381 delegate_hash_table_new (void) {
382 return g_hash_table_new (NULL, NULL);
386 delegate_hash_table_remove (MonoDelegate *d)
388 guint32 gchandle = 0;
390 mono_marshal_lock ();
391 if (delegate_hash_table == NULL)
392 delegate_hash_table = delegate_hash_table_new ();
393 if (mono_gc_is_moving ())
394 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
395 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
396 mono_marshal_unlock ();
397 if (mono_gc_is_moving ())
398 mono_gchandle_free (gchandle);
402 delegate_hash_table_add (MonoDelegate *d)
405 guint32 old_gchandle;
407 mono_marshal_lock ();
408 if (delegate_hash_table == NULL)
409 delegate_hash_table = delegate_hash_table_new ();
410 if (mono_gc_is_moving ()) {
411 gchandle = mono_gchandle_new_weakref ((MonoObject*)d, FALSE);
412 old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
413 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, GUINT_TO_POINTER (gchandle));
415 mono_gchandle_free (old_gchandle);
417 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
419 mono_marshal_unlock ();
423 * mono_marshal_use_aot_wrappers:
425 * Instructs this module to use AOT compatible wrappers.
428 mono_marshal_use_aot_wrappers (gboolean use)
430 use_aot_wrappers = use;
434 parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
436 static MonoClass *UnmanagedFunctionPointerAttribute;
437 MonoCustomAttrInfo *cinfo;
438 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
440 if (!UnmanagedFunctionPointerAttribute)
441 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
443 /* The attribute is only available in Net 2.0 */
444 if (UnmanagedFunctionPointerAttribute) {
446 * The pinvoke attributes are stored in a real custom attribute so we have to
449 cinfo = mono_custom_attrs_from_class (klass);
450 if (cinfo && !mono_runtime_get_no_exec ()) {
451 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
453 piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
456 mono_custom_attrs_free (cinfo);
462 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
470 mono_marshal_lock ();
471 if (delegate_hash_table == NULL)
472 delegate_hash_table = delegate_hash_table_new ();
474 if (mono_gc_is_moving ()) {
475 gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
476 mono_marshal_unlock ();
478 d = (MonoDelegate*)mono_gchandle_get_target (gchandle);
482 d = g_hash_table_lookup (delegate_hash_table, ftn);
483 mono_marshal_unlock ();
486 /* This is a native function, so construct a delegate for it */
487 MonoMethodSignature *sig;
489 MonoMarshalSpec **mspecs;
490 MonoMethod *invoke = mono_get_delegate_invoke (klass);
491 MonoMethodPInvoke piinfo;
495 if (use_aot_wrappers) {
496 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
497 this = mono_value_box (mono_domain_get (), mono_defaults.int_class, &ftn);
499 memset (&piinfo, 0, sizeof (piinfo));
500 parse_unmanaged_function_pointer_attr (klass, &piinfo);
502 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
503 mono_method_get_marshal_info (invoke, mspecs);
504 /* Freed below so don't alloc from mempool */
505 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
508 wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
511 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
513 mono_metadata_free_marshal_spec (mspecs [i]);
518 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
519 mono_delegate_ctor_with_method ((MonoObject*)d, this, mono_compile_method (wrapper), wrapper);
522 if (d->object.vtable->domain != mono_domain_get ())
523 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
529 mono_delegate_free_ftnptr (MonoDelegate *delegate)
534 delegate_hash_table_remove (delegate);
536 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
538 if (!delegate->target) {
539 /* The wrapper method is shared between delegates -> no need to free it */
546 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
549 method_data = ((MonoMethodWrapper*)ji->method)->method_data;
551 /*the target gchandle is the first entry after size and the wrapper itself.*/
552 gchandle = GPOINTER_TO_UINT (method_data [2]);
555 mono_gchandle_free (gchandle);
557 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
562 mono_string_from_byvalwstr (gunichar2 *data, int max_len)
564 MonoDomain *domain = mono_domain_get ();
570 while (data [len]) len++;
572 return mono_string_new_utf16 (domain, data, MIN (len, max_len));
576 mono_array_to_savearray (MonoArray *array)
581 g_assert_not_reached ();
586 mono_array_to_lparray (MonoArray *array)
589 gpointer *nativeArray = NULL;
590 int nativeArraySize = 0;
600 klass = array->obj.vtable->klass;
602 switch (klass->element_class->byval_arg.type) {
604 g_assert_not_reached ();
606 case MONO_TYPE_CLASS:
607 nativeArraySize = array->max_length;
608 nativeArray = malloc(sizeof(gpointer) * nativeArraySize);
609 for(i = 0; i < nativeArraySize; ++i)
610 nativeArray[i] = ves_icall_System_Runtime_InteropServices_Marshal_GetIUnknownForObjectInternal(((gpointer*)array->vector)[i]);
613 case MONO_TYPE_BOOLEAN:
626 case MONO_TYPE_VALUETYPE:
630 case MONO_TYPE_GENERICINST:
631 case MONO_TYPE_OBJECT:
632 case MONO_TYPE_ARRAY:
633 case MONO_TYPE_SZARRAY:
634 case MONO_TYPE_STRING:
636 g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
637 g_assert_not_reached ();
640 return array->vector;
644 mono_free_lparray (MonoArray *array, gpointer* nativeArray)
655 klass = array->obj.vtable->klass;
657 switch (klass->element_class->byval_arg.type) {
658 case MONO_TYPE_CLASS:
659 for(i = 0; i < array->max_length; ++i)
660 mono_marshal_free_ccw(nativeArray[i]);
668 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
670 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
672 if (elclass == mono_defaults.byte_class) {
673 GError *error = NULL;
677 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
680 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
684 g_error_free (error);
687 g_assert_not_reached ();
691 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
693 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
695 if (elclass == mono_defaults.byte_class) {
697 GError *error = NULL;
699 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
701 MonoException *exc = mono_get_exception_argument ("string", error->message);
702 g_error_free (error);
703 mono_raise_exception (exc);
706 memcpy (native_arr, as, MIN (strlen (as), elnum));
709 g_assert_not_reached ();
714 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
716 GError *error = NULL;
726 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
728 if (items_written > mono_stringbuilder_capacity (sb))
729 items_written = mono_stringbuilder_capacity (sb);
732 if (! sb->str || sb->str == sb->cached_str)
733 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
735 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
736 sb->length = items_written;
737 sb->cached_str = NULL;
739 g_error_free (error);
745 mono_string_utf8_to_builder2 (char *text)
748 MonoStringBuilder *sb;
749 static MonoClass *string_builder_class;
750 static MonoMethod *sb_ctor;
757 if (!string_builder_class) {
758 MonoMethodDesc *desc;
760 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
761 g_assert (string_builder_class);
762 desc = mono_method_desc_new (":.ctor(int)", FALSE);
763 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
765 mono_method_desc_free (desc);
770 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
773 mono_runtime_invoke (sb_ctor, sb, args, &exc);
776 mono_string_utf8_to_builder (sb, text);
782 * FIXME: This routine does not seem to do what it seems to do
783 * the @text is never copied into the string builder
786 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
793 g_assert (mono_string_chars (sb->str) == text);
795 for (len = 0; text [len] != 0; ++len)
802 mono_string_utf16_to_builder2 (gunichar2 *text)
805 MonoStringBuilder *sb;
806 static MonoClass *string_builder_class;
807 static MonoMethod *sb_ctor;
814 if (!string_builder_class) {
815 MonoMethodDesc *desc;
817 string_builder_class = mono_class_from_name (mono_defaults.corlib, "System.Text", "StringBuilder");
818 g_assert (string_builder_class);
819 desc = mono_method_desc_new (":.ctor(int)", FALSE);
820 sb_ctor = mono_method_desc_search_in_class (desc, string_builder_class);
822 mono_method_desc_free (desc);
825 for (len = 0; text [len] != 0; ++len)
828 sb = (MonoStringBuilder*)mono_object_new (mono_domain_get (), string_builder_class);
831 mono_runtime_invoke (sb_ctor, sb, args, &exc);
835 memcpy (mono_string_chars (sb->str), text, len * 2);
841 * mono_string_builder_to_utf8:
842 * @sb: the string builder
844 * Converts to utf8 the contents of the MonoStringBuilder.
846 * Returns: a utf8 string with the contents of the StringBuilder.
848 * The return value must be released with g_free.
851 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
853 GError *error = NULL;
854 gchar *tmp, *res = NULL;
859 if ((sb->str == sb->cached_str) && (sb->str->length == 0)) {
861 * The sb could have been allocated with the default capacity and be empty.
862 * we need to alloc a buffer of the default capacity in this case.
864 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
865 sb->cached_str = NULL;
868 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, NULL, &error);
870 g_error_free (error);
871 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
873 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
874 memcpy (res, tmp, sb->length + 1);
882 * mono_string_builder_to_utf16:
883 * @sb: the string builder
885 * Converts to utf16 the contents of the MonoStringBuilder.
887 * Returns: a utf16 string with the contents of the StringBuilder.
889 * The return value must not be freed.
892 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
900 * The stringbuilder might not have ownership of this string. If this is
901 * the case, we must duplicate the string, so that we don't munge immutable
904 if (sb->str == sb->cached_str) {
906 * The sb could have been allocated with the default capacity and be empty.
907 * we need to alloc a buffer of the default capacity in this case.
909 if (sb->str->length == 0)
910 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), 16));
912 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
913 sb->cached_str = NULL;
917 *(mono_string_chars (sb->str)) = '\0';
919 return mono_string_chars (sb->str);
923 mono_string_to_lpstr (MonoString *s)
928 GError *error = NULL;
934 as = CoTaskMemAlloc (1);
939 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
941 MonoException *exc = mono_get_exception_argument ("string", error->message);
942 g_error_free (error);
943 mono_raise_exception(exc);
946 as = CoTaskMemAlloc (len + 1);
947 memcpy (as, tmp, len + 1);
952 return mono_string_to_utf8 (s);
957 mono_string_to_ansibstr (MonoString *string_obj)
959 g_error ("UnmanagedMarshal.BStr is not implemented.");
964 * mono_string_to_byvalstr:
965 * @dst: Where to store the null-terminated utf8 decoded string.
966 * @src: the MonoString to copy.
967 * @size: the maximum number of bytes to copy.
969 * Copies the MonoString pointed to by @src as a utf8 string
970 * into @dst, it copies at most @size bytes into the destination.
973 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
978 g_assert (dst != NULL);
981 memset (dst, 0, size);
985 s = mono_string_to_utf8 (src);
986 len = MIN (size, strlen (s));
989 memcpy (dst, s, len);
994 * mono_string_to_byvalwstr:
995 * @dst: Where to store the null-terminated utf16 decoded string.
996 * @src: the MonoString to copy.
997 * @size: the maximum number of bytes to copy.
999 * Copies the MonoString pointed to by @src as a utf16 string into
1000 * @dst, it copies at most @size bytes into the destination (including
1001 * a terminating 16-bit zero terminator).
1004 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
1008 g_assert (dst != NULL);
1009 g_assert (size > 1);
1012 memset (dst, 0, size * 2);
1016 len = MIN (size, (mono_string_length (src)));
1017 memcpy (dst, mono_string_chars (src), size * 2);
1018 if (size <= mono_string_length (src))
1020 *((gunichar2 *) dst + len) = 0;
1024 mono_string_new_len_wrapper (const char *text, guint length)
1026 return mono_string_new_len (mono_domain_get (), text, length);
1030 #ifndef DISABLE_REMOTING
1032 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1035 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1036 mono_mb_emit_byte (mb, CEE_LDIND_I);
1037 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1038 mono_mb_emit_byte (mb, CEE_ADD);
1039 mono_mb_emit_byte (mb, CEE_LDIND_I);
1040 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1041 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1042 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1043 pos = mono_mb_emit_branch (mb, branch_code);
1048 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1051 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1052 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1053 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1054 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1055 mono_mb_emit_icon (mb, -1);
1056 pos = mono_mb_emit_branch (mb, branch_code);
1061 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
1063 static int offset = -1;
1067 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
1069 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
1070 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1071 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
1072 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1073 mono_mb_emit_ldflda (mb, offset);
1074 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1075 mono_mb_emit_icon (mb, mask);
1076 mono_mb_emit_byte (mb, CEE_AND);
1077 mono_mb_emit_icon (mb, 0);
1078 return mono_mb_emit_branch (mb, branch_code);
1080 #endif /* DISABLE_REMOTING */
1083 * mono_mb_emit_exception_marshal_directive:
1085 * This function assumes ownership of MSG, which should be malloc-ed.
1088 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
1093 s = mono_image_strdup (mb->method->klass->image, msg);
1098 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
1101 #endif /* !DISABLE_JIT */
1104 mono_type_to_ldind (MonoType *type)
1110 switch (type->type) {
1112 return CEE_LDIND_I1;
1114 case MONO_TYPE_BOOLEAN:
1115 return CEE_LDIND_U1;
1117 return CEE_LDIND_I2;
1119 case MONO_TYPE_CHAR:
1120 return CEE_LDIND_U2;
1122 return CEE_LDIND_I4;
1124 return CEE_LDIND_U4;
1128 case MONO_TYPE_FNPTR:
1130 case MONO_TYPE_CLASS:
1131 case MONO_TYPE_STRING:
1132 case MONO_TYPE_OBJECT:
1133 case MONO_TYPE_SZARRAY:
1134 case MONO_TYPE_ARRAY:
1135 return CEE_LDIND_REF;
1138 return CEE_LDIND_I8;
1140 return CEE_LDIND_R4;
1142 return CEE_LDIND_R8;
1143 case MONO_TYPE_VALUETYPE:
1144 if (type->data.klass->enumtype) {
1145 type = mono_class_enum_basetype (type->data.klass);
1149 case MONO_TYPE_TYPEDBYREF:
1151 case MONO_TYPE_GENERICINST:
1152 type = &type->data.generic_class->container_class->byval_arg;
1155 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1161 mono_type_to_stind (MonoType *type)
1167 switch (type->type) {
1170 case MONO_TYPE_BOOLEAN:
1171 return CEE_STIND_I1;
1174 case MONO_TYPE_CHAR:
1175 return CEE_STIND_I2;
1178 return CEE_STIND_I4;
1182 case MONO_TYPE_FNPTR:
1184 case MONO_TYPE_CLASS:
1185 case MONO_TYPE_STRING:
1186 case MONO_TYPE_OBJECT:
1187 case MONO_TYPE_SZARRAY:
1188 case MONO_TYPE_ARRAY:
1189 return CEE_STIND_REF;
1192 return CEE_STIND_I8;
1194 return CEE_STIND_R4;
1196 return CEE_STIND_R8;
1197 case MONO_TYPE_VALUETYPE:
1198 if (type->data.klass->enumtype) {
1199 type = mono_class_enum_basetype (type->data.klass);
1203 case MONO_TYPE_TYPEDBYREF:
1205 case MONO_TYPE_GENERICINST:
1206 type = &type->data.generic_class->container_class->byval_arg;
1209 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1217 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1220 case MONO_MARSHAL_CONV_BOOL_I4:
1221 mono_mb_emit_ldloc (mb, 1);
1222 mono_mb_emit_ldloc (mb, 0);
1223 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1224 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1225 mono_mb_emit_byte (mb, 3);
1226 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1227 mono_mb_emit_byte (mb, CEE_BR_S);
1228 mono_mb_emit_byte (mb, 1);
1229 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1230 mono_mb_emit_byte (mb, CEE_STIND_I1);
1232 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1233 mono_mb_emit_ldloc (mb, 1);
1234 mono_mb_emit_ldloc (mb, 0);
1235 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1236 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1237 mono_mb_emit_byte (mb, 3);
1238 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1239 mono_mb_emit_byte (mb, CEE_BR_S);
1240 mono_mb_emit_byte (mb, 1);
1241 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1242 mono_mb_emit_byte (mb, CEE_STIND_I1);
1244 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1245 MonoClass *eklass = NULL;
1248 if (type->type == MONO_TYPE_SZARRAY) {
1249 eklass = type->data.klass;
1251 g_assert_not_reached ();
1254 esize = mono_class_native_size (eklass, NULL);
1256 /* create a new array */
1257 mono_mb_emit_ldloc (mb, 1);
1258 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1259 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1260 mono_mb_emit_byte (mb, CEE_STIND_I);
1262 if (eklass->blittable) {
1263 /* copy the elements */
1264 mono_mb_emit_ldloc (mb, 1);
1265 mono_mb_emit_byte (mb, CEE_LDIND_I);
1266 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1267 mono_mb_emit_byte (mb, CEE_ADD);
1268 mono_mb_emit_ldloc (mb, 0);
1269 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1270 mono_mb_emit_byte (mb, CEE_PREFIX1);
1271 mono_mb_emit_byte (mb, CEE_CPBLK);
1274 int array_var, src_var, dst_var, index_var;
1275 guint32 label2, label3;
1277 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1278 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1279 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1282 mono_mb_emit_ldloc (mb, 1);
1283 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1284 mono_mb_emit_stloc (mb, array_var);
1286 /* save the old src pointer */
1287 mono_mb_emit_ldloc (mb, 0);
1288 mono_mb_emit_stloc (mb, src_var);
1289 /* save the old dst pointer */
1290 mono_mb_emit_ldloc (mb, 1);
1291 mono_mb_emit_stloc (mb, dst_var);
1293 /* Emit marshalling loop */
1294 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1295 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1296 mono_mb_emit_stloc (mb, index_var);
1299 label2 = mono_mb_get_label (mb);
1300 mono_mb_emit_ldloc (mb, index_var);
1301 mono_mb_emit_ldloc (mb, array_var);
1302 mono_mb_emit_byte (mb, CEE_LDLEN);
1303 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1305 /* src is already set */
1308 mono_mb_emit_ldloc (mb, array_var);
1309 mono_mb_emit_ldloc (mb, index_var);
1310 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1311 mono_mb_emit_stloc (mb, 1);
1313 /* Do the conversion */
1314 emit_struct_conv (mb, eklass, TRUE);
1317 mono_mb_emit_add_to_local (mb, index_var, 1);
1319 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1321 mono_mb_patch_branch (mb, label3);
1323 /* restore the old src pointer */
1324 mono_mb_emit_ldloc (mb, src_var);
1325 mono_mb_emit_stloc (mb, 0);
1326 /* restore the old dst pointer */
1327 mono_mb_emit_ldloc (mb, dst_var);
1328 mono_mb_emit_stloc (mb, 1);
1332 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1333 MonoClass *eclass = mono_defaults.char_class;
1335 /* create a new array */
1336 mono_mb_emit_ldloc (mb, 1);
1337 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1338 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1339 mono_mb_emit_byte (mb, CEE_STIND_REF);
1341 mono_mb_emit_ldloc (mb, 1);
1342 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1343 mono_mb_emit_ldloc (mb, 0);
1344 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1345 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1346 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1349 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1350 mono_mb_emit_ldloc (mb, 1);
1351 mono_mb_emit_ldloc (mb, 0);
1352 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1353 mono_mb_emit_byte (mb, CEE_STIND_REF);
1355 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1356 if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
1357 mono_mb_emit_ldloc (mb, 1);
1358 mono_mb_emit_ldloc (mb, 0);
1359 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1360 mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
1362 mono_mb_emit_ldloc (mb, 1);
1363 mono_mb_emit_ldloc (mb, 0);
1364 mono_mb_emit_icall (mb, mono_string_from_utf16);
1366 mono_mb_emit_byte (mb, CEE_STIND_REF);
1368 case MONO_MARSHAL_CONV_STR_LPTSTR:
1369 mono_mb_emit_ldloc (mb, 1);
1370 mono_mb_emit_ldloc (mb, 0);
1371 mono_mb_emit_byte (mb, CEE_LDIND_I);
1373 mono_mb_emit_icall (mb, mono_string_from_utf16);
1375 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1377 mono_mb_emit_byte (mb, CEE_STIND_REF);
1379 case MONO_MARSHAL_CONV_STR_LPSTR:
1380 mono_mb_emit_ldloc (mb, 1);
1381 mono_mb_emit_ldloc (mb, 0);
1382 mono_mb_emit_byte (mb, CEE_LDIND_I);
1383 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1384 mono_mb_emit_byte (mb, CEE_STIND_REF);
1386 case MONO_MARSHAL_CONV_STR_LPWSTR:
1387 mono_mb_emit_ldloc (mb, 1);
1388 mono_mb_emit_ldloc (mb, 0);
1389 mono_mb_emit_byte (mb, CEE_LDIND_I);
1390 mono_mb_emit_icall (mb, mono_string_from_utf16);
1391 mono_mb_emit_byte (mb, CEE_STIND_REF);
1393 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1394 MonoClass *klass = mono_class_from_mono_type (type);
1395 int src_var, dst_var;
1397 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1398 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1400 /* *dst = new object */
1401 mono_mb_emit_ldloc (mb, 1);
1402 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1403 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1404 mono_mb_emit_byte (mb, CEE_STIND_REF);
1406 /* save the old src pointer */
1407 mono_mb_emit_ldloc (mb, 0);
1408 mono_mb_emit_stloc (mb, src_var);
1409 /* save the old dst pointer */
1410 mono_mb_emit_ldloc (mb, 1);
1411 mono_mb_emit_stloc (mb, dst_var);
1413 /* dst = pointer to newly created object data */
1414 mono_mb_emit_ldloc (mb, 1);
1415 mono_mb_emit_byte (mb, CEE_LDIND_I);
1416 mono_mb_emit_icon (mb, sizeof (MonoObject));
1417 mono_mb_emit_byte (mb, CEE_ADD);
1418 mono_mb_emit_stloc (mb, 1);
1420 emit_struct_conv (mb, klass, TRUE);
1422 /* restore the old src pointer */
1423 mono_mb_emit_ldloc (mb, src_var);
1424 mono_mb_emit_stloc (mb, 0);
1425 /* restore the old dst pointer */
1426 mono_mb_emit_ldloc (mb, dst_var);
1427 mono_mb_emit_stloc (mb, 1);
1430 case MONO_MARSHAL_CONV_DEL_FTN: {
1431 MonoClass *klass = mono_class_from_mono_type (type);
1433 mono_mb_emit_ldloc (mb, 1);
1434 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1435 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1436 mono_mb_emit_ldloc (mb, 0);
1437 mono_mb_emit_byte (mb, CEE_LDIND_I);
1438 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1439 mono_mb_emit_byte (mb, CEE_STIND_REF);
1442 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1443 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1447 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1448 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1449 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1450 mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
1452 #endif /* DISABLE_COM */
1454 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1456 * Passing SafeHandles as ref does not allow the unmanaged code
1457 * to change the SafeHandle value. If the value is changed,
1458 * we should issue a diagnostic exception (NotSupportedException)
1459 * that informs the user that changes to handles in unmanaged code
1462 * Since we currently have no access to the original
1463 * SafeHandle that was used during the marshalling,
1464 * for now we just ignore this, and ignore/discard any
1465 * changes that might have happened to the handle.
1470 case MONO_MARSHAL_CONV_HANDLEREF: {
1472 * Passing HandleRefs in a struct that is ref()ed does not
1473 * copy the values back to the HandleRef
1478 case MONO_MARSHAL_CONV_STR_BSTR:
1479 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1480 case MONO_MARSHAL_CONV_STR_TBSTR:
1481 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1483 char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
1485 mono_mb_emit_exception_marshal_directive (mb, msg);
1492 conv_to_icall (MonoMarshalConv conv)
1495 case MONO_MARSHAL_CONV_STR_LPWSTR:
1496 return mono_marshal_string_to_utf16;
1497 case MONO_MARSHAL_CONV_LPWSTR_STR:
1498 return mono_string_from_utf16;
1499 case MONO_MARSHAL_CONV_LPTSTR_STR:
1500 return mono_string_new_wrapper;
1501 case MONO_MARSHAL_CONV_LPSTR_STR:
1502 return mono_string_new_wrapper;
1503 case MONO_MARSHAL_CONV_STR_LPTSTR:
1505 return mono_marshal_string_to_utf16;
1507 return mono_string_to_lpstr;
1509 case MONO_MARSHAL_CONV_STR_LPSTR:
1510 return mono_string_to_lpstr;
1511 case MONO_MARSHAL_CONV_STR_BSTR:
1512 return mono_string_to_bstr;
1513 case MONO_MARSHAL_CONV_BSTR_STR:
1514 return mono_string_from_bstr;
1515 case MONO_MARSHAL_CONV_STR_TBSTR:
1516 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1517 return mono_string_to_ansibstr;
1518 case MONO_MARSHAL_CONV_SB_LPSTR:
1519 return mono_string_builder_to_utf8;
1520 case MONO_MARSHAL_CONV_SB_LPTSTR:
1522 return mono_string_builder_to_utf16;
1524 return mono_string_builder_to_utf8;
1526 case MONO_MARSHAL_CONV_SB_LPWSTR:
1527 return mono_string_builder_to_utf16;
1528 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1529 return mono_array_to_savearray;
1530 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1531 return mono_array_to_lparray;
1532 case MONO_MARSHAL_FREE_LPARRAY:
1533 return mono_free_lparray;
1534 case MONO_MARSHAL_CONV_DEL_FTN:
1535 return mono_delegate_to_ftnptr;
1536 case MONO_MARSHAL_CONV_FTN_DEL:
1537 return mono_ftnptr_to_delegate;
1538 case MONO_MARSHAL_CONV_LPSTR_SB:
1539 return mono_string_utf8_to_builder;
1540 case MONO_MARSHAL_CONV_LPTSTR_SB:
1542 return mono_string_utf16_to_builder;
1544 return mono_string_utf8_to_builder;
1546 case MONO_MARSHAL_CONV_LPWSTR_SB:
1547 return mono_string_utf16_to_builder;
1548 case MONO_MARSHAL_FREE_ARRAY:
1549 return mono_marshal_free_array;
1550 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1551 return mono_string_to_byvalstr;
1552 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1553 return mono_string_to_byvalwstr;
1555 g_assert_not_reached ();
1562 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1567 case MONO_MARSHAL_CONV_BOOL_I4:
1568 mono_mb_emit_ldloc (mb, 1);
1569 mono_mb_emit_ldloc (mb, 0);
1570 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1571 mono_mb_emit_byte (mb, CEE_STIND_I4);
1573 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1574 mono_mb_emit_ldloc (mb, 1);
1575 mono_mb_emit_ldloc (mb, 0);
1576 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1577 mono_mb_emit_byte (mb, CEE_NEG);
1578 mono_mb_emit_byte (mb, CEE_STIND_I2);
1580 case MONO_MARSHAL_CONV_STR_LPWSTR:
1581 case MONO_MARSHAL_CONV_STR_LPSTR:
1582 case MONO_MARSHAL_CONV_STR_LPTSTR:
1583 case MONO_MARSHAL_CONV_STR_BSTR:
1584 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1585 case MONO_MARSHAL_CONV_STR_TBSTR: {
1588 /* free space if free == true */
1589 mono_mb_emit_ldloc (mb, 2);
1590 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1591 mono_mb_emit_ldloc (mb, 1);
1592 mono_mb_emit_byte (mb, CEE_LDIND_I);
1593 mono_mb_emit_icall (mb, g_free);
1594 mono_mb_patch_short_branch (mb, pos);
1596 mono_mb_emit_ldloc (mb, 1);
1597 mono_mb_emit_ldloc (mb, 0);
1598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1599 mono_mb_emit_icall (mb, conv_to_icall (conv));
1600 mono_mb_emit_byte (mb, CEE_STIND_I);
1603 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1604 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1605 case MONO_MARSHAL_CONV_DEL_FTN:
1606 mono_mb_emit_ldloc (mb, 1);
1607 mono_mb_emit_ldloc (mb, 0);
1608 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1609 mono_mb_emit_icall (mb, conv_to_icall (conv));
1610 mono_mb_emit_byte (mb, CEE_STIND_I);
1612 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1613 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1616 mono_mb_emit_ldloc (mb, 1); /* dst */
1617 mono_mb_emit_ldloc (mb, 0);
1618 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1619 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1620 mono_mb_emit_icall (mb, conv_to_icall (conv));
1623 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1624 MonoClass *eklass = NULL;
1627 if (type->type == MONO_TYPE_SZARRAY) {
1628 eklass = type->data.klass;
1630 g_assert_not_reached ();
1633 if (eklass->valuetype)
1634 esize = mono_class_native_size (eklass, NULL);
1636 esize = sizeof (gpointer);
1638 mono_mb_emit_ldloc (mb, 0);
1639 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1640 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1642 if (eklass->blittable) {
1643 mono_mb_emit_ldloc (mb, 1);
1644 mono_mb_emit_ldloc (mb, 0);
1645 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1646 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1647 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1648 mono_mb_emit_byte (mb, CEE_PREFIX1);
1649 mono_mb_emit_byte (mb, CEE_CPBLK);
1651 int array_var, src_var, dst_var, index_var;
1652 guint32 label2, label3;
1654 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1655 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1656 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1659 mono_mb_emit_ldloc (mb, 0);
1660 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1661 mono_mb_emit_stloc (mb, array_var);
1663 /* save the old src pointer */
1664 mono_mb_emit_ldloc (mb, 0);
1665 mono_mb_emit_stloc (mb, src_var);
1666 /* save the old dst pointer */
1667 mono_mb_emit_ldloc (mb, 1);
1668 mono_mb_emit_stloc (mb, dst_var);
1670 /* Emit marshalling loop */
1671 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1672 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1673 mono_mb_emit_stloc (mb, index_var);
1676 label2 = mono_mb_get_label (mb);
1677 mono_mb_emit_ldloc (mb, index_var);
1678 mono_mb_emit_ldloc (mb, array_var);
1679 mono_mb_emit_byte (mb, CEE_LDLEN);
1680 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1683 mono_mb_emit_ldloc (mb, array_var);
1684 mono_mb_emit_ldloc (mb, index_var);
1685 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1686 mono_mb_emit_stloc (mb, 0);
1688 /* dst is already set */
1690 /* Do the conversion */
1691 emit_struct_conv (mb, eklass, FALSE);
1694 mono_mb_emit_add_to_local (mb, index_var, 1);
1696 mono_mb_emit_branch_label (mb, CEE_BR, label2);
1698 mono_mb_patch_branch (mb, label3);
1700 /* restore the old src pointer */
1701 mono_mb_emit_ldloc (mb, src_var);
1702 mono_mb_emit_stloc (mb, 0);
1703 /* restore the old dst pointer */
1704 mono_mb_emit_ldloc (mb, dst_var);
1705 mono_mb_emit_stloc (mb, 1);
1708 mono_mb_patch_branch (mb, pos);
1711 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1712 mono_mb_emit_ldloc (mb, 0);
1713 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1714 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1716 mono_mb_emit_ldloc (mb, 1);
1717 mono_mb_emit_ldloc (mb, 0);
1718 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1719 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1720 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1721 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1722 mono_mb_patch_short_branch (mb, pos);
1725 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1726 int src_var, dst_var;
1728 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1729 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1731 mono_mb_emit_ldloc (mb, 0);
1732 mono_mb_emit_byte (mb, CEE_LDIND_I);
1733 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
1735 /* save the old src pointer */
1736 mono_mb_emit_ldloc (mb, 0);
1737 mono_mb_emit_stloc (mb, src_var);
1738 /* save the old dst pointer */
1739 mono_mb_emit_ldloc (mb, 1);
1740 mono_mb_emit_stloc (mb, dst_var);
1742 /* src = pointer to object data */
1743 mono_mb_emit_ldloc (mb, 0);
1744 mono_mb_emit_byte (mb, CEE_LDIND_I);
1745 mono_mb_emit_icon (mb, sizeof (MonoObject));
1746 mono_mb_emit_byte (mb, CEE_ADD);
1747 mono_mb_emit_stloc (mb, 0);
1749 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1751 /* restore the old src pointer */
1752 mono_mb_emit_ldloc (mb, src_var);
1753 mono_mb_emit_stloc (mb, 0);
1754 /* restore the old dst pointer */
1755 mono_mb_emit_ldloc (mb, dst_var);
1756 mono_mb_emit_stloc (mb, 1);
1758 mono_mb_patch_branch (mb, pos);
1763 case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
1764 case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
1765 case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
1766 mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
1768 #endif /* DISABLE_COM */
1770 case MONO_MARSHAL_CONV_SAFEHANDLE: {
1771 int dar_release_slot, pos;
1773 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1776 * The following is ifdefed-out, because I have no way of doing the
1777 * DangerousRelease when destroying the structure
1780 /* set release = false */
1781 mono_mb_emit_icon (mb, 0);
1782 mono_mb_emit_stloc (mb, dar_release_slot);
1783 if (!sh_dangerous_add_ref)
1784 init_safe_handle ();
1786 /* safehandle.DangerousAddRef (ref release) */
1787 mono_mb_emit_ldloc (mb, 0); /* the source */
1788 mono_mb_emit_byte (mb, CEE_LDIND_I);
1789 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
1790 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
1792 mono_mb_emit_ldloc (mb, 0);
1793 mono_mb_emit_byte (mb, CEE_LDIND_I);
1794 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
1795 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
1796 mono_mb_patch_branch (mb, pos);
1798 /* Pull the handle field from SafeHandle */
1799 mono_mb_emit_ldloc (mb, 1);
1800 mono_mb_emit_ldloc (mb, 0);
1801 mono_mb_emit_byte (mb, CEE_LDIND_I);
1802 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
1803 mono_mb_emit_byte (mb, CEE_LDIND_I);
1804 mono_mb_emit_byte (mb, CEE_STIND_I);
1808 case MONO_MARSHAL_CONV_HANDLEREF: {
1809 mono_mb_emit_ldloc (mb, 1);
1810 mono_mb_emit_ldloc (mb, 0);
1811 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
1812 mono_mb_emit_byte (mb, CEE_ADD);
1813 mono_mb_emit_byte (mb, CEE_LDIND_I);
1814 mono_mb_emit_byte (mb, CEE_STIND_I);
1819 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1820 MonoException *exc = mono_get_exception_not_implemented (msg);
1821 g_warning ("%s", msg);
1823 mono_raise_exception (exc);
1829 emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
1830 MonoMarshalNative string_encoding)
1832 MonoMarshalType *info;
1836 emit_struct_conv(mb, klass->parent, to_object);
1838 info = mono_marshal_load_type_info (klass);
1840 if (info->native_size == 0)
1843 if (klass->blittable) {
1844 int msize = mono_class_value_size (klass, NULL);
1845 g_assert (msize == info->native_size);
1846 mono_mb_emit_ldloc (mb, 1);
1847 mono_mb_emit_ldloc (mb, 0);
1848 mono_mb_emit_icon (mb, msize);
1849 mono_mb_emit_byte (mb, CEE_PREFIX1);
1850 mono_mb_emit_byte (mb, CEE_CPBLK);
1852 mono_mb_emit_add_to_local (mb, 0, msize);
1853 mono_mb_emit_add_to_local (mb, 1, msize);
1857 if (klass != mono_defaults.safehandle_class) {
1858 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1859 char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
1860 mono_type_full_name (&klass->byval_arg));
1861 mono_mb_emit_exception_marshal_directive (mb, msg);
1866 for (i = 0; i < info->num_fields; i++) {
1867 MonoMarshalNative ntype;
1868 MonoMarshalConv conv;
1869 MonoType *ftype = info->fields [i].field->type;
1872 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1874 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1877 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1880 msize = klass->instance_size - info->fields [i].field->offset;
1881 usize = info->native_size - info->fields [i].offset;
1883 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1884 usize = info->fields [i + 1].offset - info->fields [i].offset;
1887 if (klass != mono_defaults.safehandle_class){
1889 * FIXME: Should really check for usize==0 and msize>0, but we apply
1890 * the layout to the managed structure as well.
1893 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1894 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
1895 ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1896 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
1897 "reference field at the same offset as another field.",
1898 mono_type_full_name (&klass->byval_arg));
1903 case MONO_MARSHAL_CONV_NONE: {
1906 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1907 ftype->type == MONO_TYPE_U) {
1908 mono_mb_emit_ldloc (mb, 1);
1909 mono_mb_emit_ldloc (mb, 0);
1910 mono_mb_emit_byte (mb, CEE_LDIND_I);
1911 mono_mb_emit_byte (mb, CEE_STIND_I);
1922 case MONO_TYPE_BOOLEAN:
1925 case MONO_TYPE_CHAR:
1931 mono_mb_emit_ldloc (mb, 1);
1932 mono_mb_emit_ldloc (mb, 0);
1933 if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
1935 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1936 mono_mb_emit_byte (mb, CEE_STIND_I2);
1938 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1939 mono_mb_emit_byte (mb, CEE_STIND_I1);
1942 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1943 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1946 case MONO_TYPE_VALUETYPE: {
1947 int src_var, dst_var;
1949 if (ftype->data.klass->enumtype) {
1950 ftype = mono_class_enum_basetype (ftype->data.klass);
1954 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1955 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1957 /* save the old src pointer */
1958 mono_mb_emit_ldloc (mb, 0);
1959 mono_mb_emit_stloc (mb, src_var);
1960 /* save the old dst pointer */
1961 mono_mb_emit_ldloc (mb, 1);
1962 mono_mb_emit_stloc (mb, dst_var);
1964 emit_struct_conv (mb, ftype->data.klass, to_object);
1966 /* restore the old src pointer */
1967 mono_mb_emit_ldloc (mb, src_var);
1968 mono_mb_emit_stloc (mb, 0);
1969 /* restore the old dst pointer */
1970 mono_mb_emit_ldloc (mb, dst_var);
1971 mono_mb_emit_stloc (mb, 1);
1974 case MONO_TYPE_OBJECT: {
1976 mono_init_com_types ();
1978 static MonoMethod *variant_clear = NULL;
1979 static MonoMethod *get_object_for_native_variant = NULL;
1982 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
1983 if (!get_object_for_native_variant)
1984 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
1985 mono_mb_emit_ldloc (mb, 1);
1986 mono_mb_emit_ldloc (mb, 0);
1987 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
1988 mono_mb_emit_byte (mb, CEE_STIND_REF);
1990 mono_mb_emit_ldloc (mb, 0);
1991 mono_mb_emit_managed_call (mb, variant_clear, NULL);
1994 static MonoMethod *get_native_variant_for_object = NULL;
1996 if (!get_native_variant_for_object)
1997 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
1999 mono_mb_emit_ldloc (mb, 0);
2000 mono_mb_emit_byte(mb, CEE_LDIND_REF);
2001 mono_mb_emit_ldloc (mb, 1);
2002 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
2005 char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
2006 mono_mb_emit_exception_marshal_directive (mb, msg);
2012 g_warning ("marshaling type %02x not implemented", ftype->type);
2013 g_assert_not_reached ();
2018 int src_var, dst_var;
2020 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2021 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2023 /* save the old src pointer */
2024 mono_mb_emit_ldloc (mb, 0);
2025 mono_mb_emit_stloc (mb, src_var);
2026 /* save the old dst pointer */
2027 mono_mb_emit_ldloc (mb, 1);
2028 mono_mb_emit_stloc (mb, dst_var);
2031 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2033 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2035 /* restore the old src pointer */
2036 mono_mb_emit_ldloc (mb, src_var);
2037 mono_mb_emit_stloc (mb, 0);
2038 /* restore the old dst pointer */
2039 mono_mb_emit_ldloc (mb, dst_var);
2040 mono_mb_emit_stloc (mb, 1);
2045 mono_mb_emit_add_to_local (mb, 0, usize);
2046 mono_mb_emit_add_to_local (mb, 1, msize);
2048 mono_mb_emit_add_to_local (mb, 0, msize);
2049 mono_mb_emit_add_to_local (mb, 1, usize);
2055 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
2057 emit_struct_conv_full (mb, klass, to_object, -1);
2061 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2063 /* Call DestroyStructure */
2064 /* FIXME: Only do this if needed */
2065 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2066 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2067 mono_mb_emit_ldloc (mb, struct_var);
2068 mono_mb_emit_icall (mb, mono_struct_delete_old);
2072 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2076 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2077 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2078 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2080 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2081 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2083 mono_mb_emit_icall (mb, checkpoint_func);
2085 mono_mb_patch_branch (mb, pos_noabort);
2089 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2091 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2094 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2098 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2100 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2104 mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2106 emit_thread_interrupt_checkpoint (mb);
2109 #endif /* DISABLE_JIT */
2111 static MonoAsyncResult *
2112 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2114 MonoMethodMessage *msg;
2115 MonoDelegate *async_callback;
2116 MonoMulticastDelegate *mcast_delegate;
2120 MonoMethod *method = NULL, *method2 = NULL;
2122 g_assert (delegate);
2123 mcast_delegate = (MonoMulticastDelegate *) delegate;
2124 if (mcast_delegate->prev != NULL)
2125 mono_raise_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
2127 #ifndef DISABLE_REMOTING
2128 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2130 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2131 if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
2133 /* If the target is a proxy, make a direct call. Is proxy's work
2134 // to make the call asynchronous.
2136 MonoAsyncResult *ares;
2138 MonoArray *out_args;
2139 method = delegate->method;
2141 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2142 ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL);
2143 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2144 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2145 MONO_OBJECT_SETREF (msg, async_result, ares);
2146 msg->call_type = CallType_BeginInvoke;
2149 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2151 mono_raise_exception ((MonoException *) exc);
2157 klass = delegate->object.vtable->klass;
2159 method = mono_get_delegate_invoke (klass);
2160 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2163 g_assert (method != NULL);
2165 im = mono_get_delegate_invoke (method->klass);
2166 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2168 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2174 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2176 int i, params_var, tmp_var;
2178 /* allocate local (pointer) *params[] */
2179 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2180 /* allocate local (pointer) tmp */
2181 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2183 /* alloate space on stack to store an array of pointers to the arguments */
2184 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2185 mono_mb_emit_byte (mb, CEE_PREFIX1);
2186 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2187 mono_mb_emit_stloc (mb, params_var);
2190 mono_mb_emit_ldloc (mb, params_var);
2191 mono_mb_emit_stloc (mb, tmp_var);
2193 if (save_this && sig->hasthis) {
2194 mono_mb_emit_ldloc (mb, tmp_var);
2195 mono_mb_emit_ldarg_addr (mb, 0);
2196 mono_mb_emit_byte (mb, CEE_STIND_I);
2197 /* tmp = tmp + sizeof (gpointer) */
2198 if (sig->param_count)
2199 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2203 for (i = 0; i < sig->param_count; i++) {
2204 mono_mb_emit_ldloc (mb, tmp_var);
2205 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2206 mono_mb_emit_byte (mb, CEE_STIND_I);
2207 /* tmp = tmp + sizeof (gpointer) */
2208 if (i < (sig->param_count - 1))
2209 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2215 #endif /* DISABLE_JIT */
2218 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2222 GString *res = g_string_new ("");
2225 g_string_append (res, prefix);
2226 g_string_append_c (res, '_');
2229 mono_type_get_desc (res, sig->ret, FALSE);
2232 g_string_append (res, "__this__");
2234 for (i = 0; i < sig->param_count; ++i) {
2235 g_string_append_c (res, '_');
2236 mono_type_get_desc (res, sig->params [i], FALSE);
2239 g_string_free (res, FALSE);
2244 * mono_marshal_get_string_encoding:
2246 * Return the string encoding which should be used for a given parameter.
2248 static MonoMarshalNative
2249 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2251 /* First try the parameter marshal info */
2253 if (spec->native == MONO_NATIVE_LPARRAY) {
2254 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2255 return spec->data.array_data.elem_type;
2258 return spec->native;
2262 return MONO_NATIVE_LPSTR;
2264 /* Then try the method level marshal info */
2265 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2266 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2267 return MONO_NATIVE_LPSTR;
2268 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2269 return MONO_NATIVE_LPWSTR;
2270 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2272 return MONO_NATIVE_LPWSTR;
2274 return MONO_NATIVE_LPSTR;
2277 return MONO_NATIVE_LPSTR;
2281 static MonoMarshalConv
2282 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2284 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2287 case MONO_NATIVE_LPWSTR:
2288 return MONO_MARSHAL_CONV_STR_LPWSTR;
2289 case MONO_NATIVE_LPSTR:
2290 case MONO_NATIVE_VBBYREFSTR:
2291 return MONO_MARSHAL_CONV_STR_LPSTR;
2292 case MONO_NATIVE_LPTSTR:
2293 return MONO_MARSHAL_CONV_STR_LPTSTR;
2294 case MONO_NATIVE_BSTR:
2295 return MONO_MARSHAL_CONV_STR_BSTR;
2301 static MonoMarshalConv
2302 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2304 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2307 case MONO_NATIVE_LPWSTR:
2308 return MONO_MARSHAL_CONV_SB_LPWSTR;
2310 case MONO_NATIVE_LPSTR:
2311 return MONO_MARSHAL_CONV_SB_LPSTR;
2313 case MONO_NATIVE_LPTSTR:
2314 return MONO_MARSHAL_CONV_SB_LPTSTR;
2321 static MonoMarshalConv
2322 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2324 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2329 case MONO_NATIVE_LPWSTR:
2331 return MONO_MARSHAL_CONV_LPWSTR_STR;
2332 case MONO_NATIVE_LPSTR:
2333 case MONO_NATIVE_VBBYREFSTR:
2334 return MONO_MARSHAL_CONV_LPSTR_STR;
2335 case MONO_NATIVE_LPTSTR:
2336 return MONO_MARSHAL_CONV_LPTSTR_STR;
2337 case MONO_NATIVE_BSTR:
2338 return MONO_MARSHAL_CONV_BSTR_STR;
2344 static MonoMarshalConv
2345 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2347 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2352 case MONO_NATIVE_LPWSTR:
2354 * mono_string_builder_to_utf16 does not allocate a
2355 * new buffer, so no need to free it.
2358 return MONO_MARSHAL_CONV_LPWSTR_SB;
2359 case MONO_NATIVE_LPSTR:
2360 return MONO_MARSHAL_CONV_LPSTR_SB;
2362 case MONO_NATIVE_LPTSTR:
2363 return MONO_MARSHAL_CONV_LPTSTR_SB;
2371 * Return whenever a field of a native structure or an array member needs to
2375 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2377 MonoMarshalNative encoding;
2378 MonoMarshalConv conv;
2381 case MONO_TYPE_VALUETYPE:
2382 /* FIXME: Optimize this */
2384 case MONO_TYPE_OBJECT:
2385 case MONO_TYPE_CLASS:
2386 if (t->data.klass == mono_defaults.stringbuilder_class) {
2388 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2392 case MONO_TYPE_STRING:
2393 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2394 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2401 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
2404 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2407 mono_marshal_lock ();
2410 g_hash_table_new (hash_func, equal_func);
2411 mono_memory_barrier ();
2414 mono_marshal_unlock ();
2420 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
2423 mono_marshal_lock ();
2426 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
2427 mono_memory_barrier ();
2430 mono_marshal_unlock ();
2436 mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
2438 return get_cache (var, hash_func, equal_func);
2442 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2446 mono_marshal_lock ();
2447 res = g_hash_table_lookup (cache, key);
2448 mono_marshal_unlock ();
2452 /* Create the method from the builder and place it in the cache */
2454 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2455 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2460 mono_marshal_lock ();
2461 res = g_hash_table_lookup (cache, key);
2462 mono_marshal_unlock ();
2465 newm = mono_mb_create_method (mb, sig, max_stack);
2466 mono_marshal_lock ();
2467 res = g_hash_table_lookup (cache, key);
2470 g_hash_table_insert (cache, key, res);
2471 mono_marshal_set_wrapper_info (res, key);
2472 mono_marshal_unlock ();
2474 mono_marshal_unlock ();
2475 mono_free_method (newm);
2483 static inline MonoMethod*
2484 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2486 MonoMethod *res = NULL;
2487 MonoRemotingMethods *wrps;
2489 mono_marshal_lock ();
2490 if (method->klass->image->remoting_invoke_cache)
2491 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2496 switch (wrapper_type) {
2497 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2498 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2499 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2500 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2504 /* it is important to do the unlock after the load from wrps, since in
2505 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
2506 * to take the loader lock and some other thread may set the fields.
2508 mono_marshal_unlock ();
2512 /* Create the method from the builder and place it in the cache */
2513 static inline MonoMethod*
2514 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2515 MonoMethodSignature *sig, int max_stack)
2517 MonoMethod **res = NULL;
2518 MonoRemotingMethods *wrps;
2519 GHashTable *cache = get_cache_full (&key->klass->image->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
2521 mono_marshal_lock ();
2522 wrps = g_hash_table_lookup (cache, key);
2524 wrps = g_new0 (MonoRemotingMethods, 1);
2525 g_hash_table_insert (cache, key, wrps);
2528 switch (mb->method->wrapper_type) {
2529 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2530 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2531 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2532 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2533 default: g_assert_not_reached (); break;
2535 mono_marshal_unlock ();
2539 newm = mono_mb_create_method (mb, sig, max_stack);
2541 mono_marshal_lock ();
2544 mono_marshal_set_wrapper_info (*res, key);
2545 mono_marshal_unlock ();
2547 mono_marshal_unlock ();
2548 mono_free_method (newm);
2556 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2559 int wrapper_type = wrapper->wrapper_type;
2562 if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2565 switch (wrapper_type) {
2566 case MONO_WRAPPER_REMOTING_INVOKE:
2567 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2568 case MONO_WRAPPER_XDOMAIN_INVOKE:
2569 case MONO_WRAPPER_SYNCHRONIZED:
2570 case MONO_WRAPPER_UNBOX:
2571 res = mono_marshal_get_wrapper_info (wrapper);
2575 case MONO_WRAPPER_MANAGED_TO_NATIVE:
2576 info = mono_marshal_get_wrapper_info (wrapper);
2577 if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT))
2578 return info->d.managed_to_native.method;
2581 case MONO_WRAPPER_RUNTIME_INVOKE:
2582 info = mono_marshal_get_wrapper_info (wrapper);
2583 if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
2584 return info->d.runtime_invoke.method;
2593 * mono_marshal_get_wrapper_info:
2595 * Retrieve the pointer stored by mono_marshal_set_wrapper_info. The type of data
2596 * returned depends on the wrapper type. It is usually a method, a class, or a
2597 * WrapperInfo structure.
2600 mono_marshal_get_wrapper_info (MonoMethod *wrapper)
2602 g_assert (wrapper->wrapper_type);
2604 return mono_method_get_wrapper_data (wrapper, 1);
2608 * mono_marshal_set_wrapper_info:
2610 * Store an arbitrary pointer inside the wrapper which is retrievable by
2611 * mono_marshal_get_wrapper_info. The format of the data depends on the type of the
2612 * wrapper (method->wrapper_type).
2615 mono_marshal_set_wrapper_info (MonoMethod *method, gpointer data)
2619 if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
2622 datav = ((MonoMethodWrapper *)method)->method_data;
2627 mono_wrapper_info_create (MonoMethod *wrapper, WrapperSubtype subtype)
2631 info = mono_image_alloc0 (wrapper->klass->image, sizeof (WrapperInfo));
2632 info->subtype = subtype;
2637 * get_wrapper_target_class:
2639 * Return the class where a wrapper method should be placed.
2642 get_wrapper_target_class (MonoImage *image)
2648 * - can't put all wrappers into an mscorlib class, because they reference
2649 * metadata (signature) so they should be put into the same image as the
2650 * method they wrap, so they are unloaded together.
2651 * - putting them into a class with a type initalizer could cause the
2652 * initializer to be executed which can be a problem if the wrappers are
2654 * - putting them into an inflated class can cause problems if the the
2655 * class is deleted because it references an image which is unloaded.
2656 * To avoid these problems, we put the wrappers into the <Module> class of
2660 klass = ((MonoDynamicImage*)image)->wrappers_type;
2662 klass = mono_class_get (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1));
2669 check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
2672 MonoMethod *inst, *def;
2675 * Look for the instance
2677 res = mono_marshal_find_in_cache (cache, orig_method->klass);
2682 * Look for the definition
2684 def = mono_marshal_find_in_cache (cache, def_method->klass);
2686 inst = mono_class_inflate_generic_method (def, ctx);
2688 mono_memory_barrier ();
2689 mono_marshal_lock ();
2690 res = g_hash_table_lookup (cache, orig_method->klass);
2692 g_hash_table_insert (cache, orig_method->klass, inst);
2695 mono_marshal_unlock ();
2702 cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
2704 MonoMethod *inst, *res;
2707 * We use the same cache for the generic definition and the instances.
2709 inst = mono_class_inflate_generic_method (def, ctx);
2710 mono_memory_barrier ();
2711 mono_marshal_lock ();
2712 res = g_hash_table_lookup (cache, orig_method->klass);
2714 g_hash_table_insert (cache, orig_method->klass, inst);
2717 mono_marshal_unlock ();
2722 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2724 MonoMethodSignature *sig;
2725 MonoMethodBuilder *mb;
2730 MonoGenericContext *ctx = NULL;
2731 MonoMethod *orig_method = NULL;
2733 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2734 !strcmp (method->name, "BeginInvoke"));
2737 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2739 if (method->is_inflated) {
2740 orig_method = method;
2741 ctx = &((MonoMethodInflated*)method)->context;
2742 method = ((MonoMethodInflated*)method)->declaring;
2745 sig = mono_signature_no_pinvoke (method);
2751 cache = get_cache (&method->klass->image->delegate_begin_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2752 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2756 cache = get_cache (&method->klass->image->delegate_begin_invoke_cache,
2757 (GHashFunc)mono_signature_hash,
2758 (GCompareFunc)mono_metadata_signature_equal);
2759 if ((res = mono_marshal_find_in_cache (cache, sig)))
2763 g_assert (sig->hasthis);
2765 name = mono_signature_to_name (sig, "begin_invoke");
2767 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2769 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2773 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2775 mono_mb_emit_ldarg (mb, 0);
2776 mono_mb_emit_ldloc (mb, params_var);
2777 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2778 mono_mb_emit_byte (mb, CEE_RET);
2783 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2784 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
2786 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2794 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2796 MonoDomain *domain = mono_domain_get ();
2797 MonoAsyncResult *ares;
2798 MonoMethod *method = NULL;
2799 MonoMethodSignature *sig;
2800 MonoMethodMessage *msg;
2801 MonoObject *res, *exc;
2802 MonoArray *out_args;
2805 g_assert (delegate);
2807 if (!delegate->method_info) {
2808 g_assert (delegate->method);
2809 MONO_OBJECT_SETREF (delegate, method_info, mono_method_get_object (domain, delegate->method, NULL));
2812 if (!delegate->method_info || !delegate->method_info->method)
2813 g_assert_not_reached ();
2815 klass = delegate->object.vtable->klass;
2817 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2818 g_assert (method != NULL);
2820 sig = mono_signature_no_pinvoke (method);
2822 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2824 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2826 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."));
2830 if (ares->async_delegate != (MonoObject*)delegate) {
2831 mono_raise_exception (mono_get_exception_invalid_operation (
2832 "The IAsyncResult object provided does not match this delegate."));
2836 #ifndef DISABLE_REMOTING
2837 if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
2838 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2839 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2840 mono_message_init (domain, msg, delegate->method_info, NULL);
2841 msg->call_type = CallType_EndInvoke;
2842 MONO_OBJECT_SETREF (msg, async_result, ares);
2843 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2847 res = mono_thread_pool_finish (ares, &out_args, &exc);
2851 if (((MonoException*)exc)->stack_trace) {
2852 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2854 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2856 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2859 mono_raise_exception ((MonoException*)exc);
2862 mono_method_return_message_restore (method, params, out_args);
2869 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2871 MonoType *t = mono_type_get_underlying_type (return_type);
2873 if (return_type->byref)
2874 return_type = &mono_defaults.int_class->byval_arg;
2877 case MONO_TYPE_VOID:
2878 g_assert_not_reached ();
2881 case MONO_TYPE_STRING:
2882 case MONO_TYPE_CLASS:
2883 case MONO_TYPE_OBJECT:
2884 case MONO_TYPE_ARRAY:
2885 case MONO_TYPE_SZARRAY:
2889 case MONO_TYPE_BOOLEAN:
2892 case MONO_TYPE_CHAR:
2902 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2903 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2905 case MONO_TYPE_GENERICINST:
2906 if (!mono_type_generic_inst_is_valuetype (t))
2909 case MONO_TYPE_VALUETYPE: {
2910 MonoClass *klass = mono_class_from_mono_type (return_type);
2911 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2912 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2916 case MONO_TYPE_MVAR: {
2917 MonoClass *klass = mono_class_from_mono_type (return_type);
2918 mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
2922 g_warning ("type 0x%x not handled", return_type->type);
2923 g_assert_not_reached ();
2926 mono_mb_emit_byte (mb, CEE_RET);
2929 #endif /* DISABLE_JIT */
2932 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2934 MonoMethodSignature *sig;
2935 MonoMethodBuilder *mb;
2940 MonoGenericContext *ctx = NULL;
2941 MonoMethod *orig_method = NULL;
2943 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2944 !strcmp (method->name, "EndInvoke"));
2947 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
2949 if (method->is_inflated) {
2950 orig_method = method;
2951 ctx = &((MonoMethodInflated*)method)->context;
2952 method = ((MonoMethodInflated*)method)->declaring;
2955 sig = mono_signature_no_pinvoke (method);
2961 cache = get_cache (&method->klass->image->delegate_end_invoke_generic_cache, mono_aligned_addr_hash, NULL);
2962 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
2966 cache = get_cache (&method->klass->image->delegate_end_invoke_cache,
2967 (GHashFunc)mono_signature_hash,
2968 (GCompareFunc)mono_metadata_signature_equal);
2969 if ((res = mono_marshal_find_in_cache (cache, sig)))
2973 g_assert (sig->hasthis);
2975 name = mono_signature_to_name (sig, "end_invoke");
2977 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2979 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2983 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2985 mono_mb_emit_ldarg (mb, 0);
2986 mono_mb_emit_ldloc (mb, params_var);
2987 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2989 if (sig->ret->type == MONO_TYPE_VOID) {
2990 mono_mb_emit_byte (mb, CEE_POP);
2991 mono_mb_emit_byte (mb, CEE_RET);
2993 mono_mb_emit_restore_result (mb, sig->ret);
2998 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
2999 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
3001 res = mono_mb_create_and_cache (cache, sig,
3002 mb, sig, sig->param_count + 16);
3009 #ifndef DISABLE_REMOTING
3012 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
3014 MonoMethodMessage *msg;
3015 MonoTransparentProxy *this;
3016 MonoObject *res, *exc;
3017 MonoArray *out_args;
3019 this = *((MonoTransparentProxy **)params [0]);
3022 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
3024 /* skip the this pointer */
3027 if (mono_class_is_contextbound (this->remote_class->proxy_class) && this->rp->context == (MonoObject *) mono_context_get ())
3030 MonoMethodSignature *sig = mono_method_signature (method);
3031 int count = sig->param_count;
3032 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
3034 for (i=0; i<count; i++) {
3035 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
3036 if (class->valuetype) {
3037 if (sig->params [i]->byref) {
3038 mparams[i] = *((gpointer *)params [i]);
3040 /* runtime_invoke expects a boxed instance */
3041 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
3042 mparams[i] = mono_nullable_box (params [i], class);
3044 mparams[i] = params [i];
3047 mparams[i] = *((gpointer**)params [i]);
3051 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
3054 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
3056 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
3059 mono_raise_exception ((MonoException *)exc);
3061 mono_method_return_message_restore (method, params, out_args);
3067 mono_marshal_get_remoting_invoke (MonoMethod *method)
3069 MonoMethodSignature *sig;
3070 MonoMethodBuilder *mb;
3076 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3079 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3081 if (mono_class_is_com_object (method->klass) || method->klass == mono_defaults.com_object_class) {
3082 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
3083 g_assert (vtable); /*FIXME do proper error handling*/
3085 if (!mono_vtable_is_remote (vtable)) {
3086 return mono_cominterop_get_invoke (method);
3091 sig = mono_signature_no_pinvoke (method);
3093 /* we cant remote methods without this pointer */
3097 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3100 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3103 mb->method->save_lmf = 1;
3105 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3107 mono_mb_emit_ptr (mb, method);
3108 mono_mb_emit_ldloc (mb, params_var);
3109 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3110 emit_thread_interrupt_checkpoint (mb);
3112 if (sig->ret->type == MONO_TYPE_VOID) {
3113 mono_mb_emit_byte (mb, CEE_POP);
3114 mono_mb_emit_byte (mb, CEE_RET);
3116 mono_mb_emit_restore_result (mb, sig->ret);
3120 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3126 #endif /* DISABLE_REMOTING */
3129 /* mono_get_xdomain_marshal_type()
3130 * Returns the kind of marshalling that a type needs for cross domain calls.
3132 static MonoXDomainMarshalType
3133 mono_get_xdomain_marshal_type (MonoType *t)
3136 case MONO_TYPE_VOID:
3137 g_assert_not_reached ();
3141 case MONO_TYPE_BOOLEAN:
3144 case MONO_TYPE_CHAR:
3151 return MONO_MARSHAL_NONE;
3152 case MONO_TYPE_STRING:
3153 return MONO_MARSHAL_COPY;
3154 case MONO_TYPE_ARRAY:
3155 case MONO_TYPE_SZARRAY: {
3156 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3157 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3158 return MONO_MARSHAL_COPY;
3163 return MONO_MARSHAL_SERIALIZE;
3167 /* mono_marshal_xdomain_copy_value
3168 * Makes a copy of "val" suitable for the current domain.
3171 mono_marshal_xdomain_copy_value (MonoObject *val)
3174 if (val == NULL) return NULL;
3176 domain = mono_domain_get ();
3178 switch (mono_object_class (val)->byval_arg.type) {
3179 case MONO_TYPE_VOID:
3180 g_assert_not_reached ();
3184 case MONO_TYPE_BOOLEAN:
3187 case MONO_TYPE_CHAR:
3193 case MONO_TYPE_R8: {
3194 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3196 case MONO_TYPE_STRING: {
3197 MonoString *str = (MonoString *) val;
3198 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3200 case MONO_TYPE_ARRAY:
3201 case MONO_TYPE_SZARRAY: {
3203 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3204 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3205 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3206 if (mt == MONO_MARSHAL_COPY) {
3207 int i, len = mono_array_length (acopy);
3208 for (i = 0; i < len; i++) {
3209 MonoObject *item = mono_array_get (acopy, gpointer, i);
3210 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3213 return (MonoObject *) acopy;
3217 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3218 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3219 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3220 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3221 newsb->length = oldsb->length;
3222 newsb->max_capacity = (gint32)0x7fffffff;
3223 return (MonoObject *) newsb;
3228 /* mono_marshal_xdomain_copy_out_value()
3229 * Copies the contents of the src instance into the dst instance. src and dst
3230 * must have the same type, and if they are arrays, the same size.
3233 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3235 if (src == NULL || dst == NULL) return;
3237 g_assert (mono_object_class (src) == mono_object_class (dst));
3239 switch (mono_object_class (src)->byval_arg.type) {
3240 case MONO_TYPE_ARRAY:
3241 case MONO_TYPE_SZARRAY: {
3242 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3243 if (mt == MONO_MARSHAL_SERIALIZE) return;
3244 if (mt == MONO_MARSHAL_COPY) {
3245 int i, len = mono_array_length ((MonoArray *)dst);
3246 for (i = 0; i < len; i++) {
3247 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3248 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3251 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3257 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3258 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3259 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3261 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)));
3262 dst_sb->cached_str = NULL;
3263 dst_sb->length = src_sb->length;
3268 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3271 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3273 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3274 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3278 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3280 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3284 #ifndef DISABLE_REMOTING
3285 /* mono_marshal_supports_fast_xdomain()
3286 * Returns TRUE if the method can use the fast xdomain wrapper.
3289 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3291 return !mono_class_is_contextbound (method->klass) &&
3292 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3297 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3299 MonoDomain *current_domain = mono_domain_get ();
3300 MonoDomain *domain = mono_domain_get_by_id (id);
3302 if (!domain || !mono_domain_set (domain, FALSE))
3303 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3306 mono_thread_push_appdomain_ref (domain);
3308 mono_thread_pop_appdomain_ref ();
3310 return current_domain->domain_id;
3313 #if !(defined (DISABLE_JIT) || defined (DISABLE_REMOTING))
3315 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3317 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3320 /* mono_marshal_emit_load_domain_method ()
3321 * Loads into the stack a pointer to the code of the provided method for
3322 * the current domain.
3325 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3327 /* We need a pointer to the method for the running domain (not the domain
3328 * that compiles the method).
3330 mono_mb_emit_ptr (mb, method);
3331 mono_mb_emit_icall (mb, mono_compile_method);
3335 /* mono_marshal_check_domain_image ()
3336 * Returns TRUE if the image is loaded in the specified
3337 * application domain.
3340 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3345 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3349 mono_domain_assemblies_lock (domain);
3350 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3352 if (ass->image == image)
3355 mono_domain_assemblies_unlock (domain);
3360 #ifndef DISABLE_REMOTING
3362 /* mono_marshal_get_xappdomain_dispatch ()
3363 * Generates a method that dispatches a method call from another domain into
3364 * the current domain.
3367 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3369 MonoMethodSignature *sig, *csig;
3370 MonoMethodBuilder *mb;
3372 int i, j, param_index, copy_locals_base;
3373 MonoClass *ret_class = NULL;
3374 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3375 MonoExceptionClause *main_clause;
3377 gboolean copy_return;
3379 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3382 sig = mono_method_signature (method);
3383 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3386 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3387 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3388 csig->params [j++] = &byte_array_class->this_arg;
3389 csig->params [j++] = &byte_array_class->this_arg;
3390 for (i = 0; i < sig->param_count; i++) {
3391 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3392 csig->params [j++] = sig->params [i];
3395 csig->ret = sig->ret;
3397 csig->ret = &mono_defaults.void_class->byval_arg;
3399 csig->hasthis = FALSE;
3401 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3402 mb->method->save_lmf = 1;
3407 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3408 if (complex_count > 0)
3409 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3410 if (sig->ret->type != MONO_TYPE_VOID) {
3411 loc_return = mono_mb_add_local (mb, sig->ret);
3412 ret_class = mono_class_from_mono_type (sig->ret);
3417 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
3418 main_clause->try_offset = mono_mb_get_label (mb);
3420 /* Clean the call context */
3422 mono_mb_emit_byte (mb, CEE_LDNULL);
3423 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3424 mono_mb_emit_byte (mb, CEE_POP);
3426 /* Deserialize call data */
3428 mono_mb_emit_ldarg (mb, 1);
3429 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3430 mono_mb_emit_byte (mb, CEE_DUP);
3431 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3433 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3434 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3436 if (complex_count > 0)
3437 mono_mb_emit_stloc (mb, loc_array);
3439 mono_mb_emit_byte (mb, CEE_POP);
3441 mono_mb_patch_short_branch (mb, pos);
3443 /* Get the target object */
3445 mono_mb_emit_ldarg (mb, 0);
3446 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3448 /* Load the arguments */
3450 copy_locals_base = mb->locals;
3451 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3453 for (i = 0; i < sig->param_count; i++) {
3454 MonoType *pt = sig->params [i];
3455 MonoClass *pclass = mono_class_from_mono_type (pt);
3456 switch (marshal_types [i]) {
3457 case MONO_MARSHAL_SERIALIZE: {
3458 /* take the value from the serialized array */
3459 mono_mb_emit_ldloc (mb, loc_array);
3460 mono_mb_emit_icon (mb, j++);
3462 if (pclass->valuetype) {
3463 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3464 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3466 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3469 if (pclass->valuetype) {
3470 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3471 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3472 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3474 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3475 if (pclass != mono_defaults.object_class) {
3476 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3482 case MONO_MARSHAL_COPY_OUT: {
3483 /* Keep a local copy of the value since we need to copy it back after the call */
3484 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3485 mono_mb_emit_ldarg (mb, param_index++);
3486 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3487 mono_mb_emit_byte (mb, CEE_DUP);
3488 mono_mb_emit_stloc (mb, copy_local);
3491 case MONO_MARSHAL_COPY: {
3492 mono_mb_emit_ldarg (mb, param_index);
3494 mono_mb_emit_byte (mb, CEE_DUP);
3495 mono_mb_emit_byte (mb, CEE_DUP);
3496 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3497 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3498 mono_mb_emit_byte (mb, CEE_STIND_REF);
3500 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3505 case MONO_MARSHAL_NONE:
3506 mono_mb_emit_ldarg (mb, param_index++);
3511 /* Make the call to the real object */
3513 emit_thread_force_interrupt_checkpoint (mb);
3515 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3517 if (sig->ret->type != MONO_TYPE_VOID)
3518 mono_mb_emit_stloc (mb, loc_return);
3520 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3524 for (i = 0; i < sig->param_count; i++) {
3525 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3526 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3527 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3528 mono_mb_emit_ldarg (mb, param_index);
3529 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3534 /* Serialize the return values */
3536 if (complex_out_count > 0) {
3537 /* Reset parameters in the array that don't need to be serialized back */
3539 for (i = 0; i < sig->param_count; i++) {
3540 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3541 if (!sig->params [i]->byref) {
3542 mono_mb_emit_ldloc (mb, loc_array);
3543 mono_mb_emit_icon (mb, j);
3544 mono_mb_emit_byte (mb, CEE_LDNULL);
3545 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3550 /* Add the return value to the array */
3552 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3553 mono_mb_emit_ldloc (mb, loc_array);
3554 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3555 mono_mb_emit_ldloc (mb, loc_return);
3557 g_assert (ret_class); /*FIXME properly fail here*/
3558 if (ret_class->valuetype) {
3559 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3561 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3566 mono_mb_emit_ldarg (mb, 1);
3567 mono_mb_emit_ldloc (mb, loc_array);
3568 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3569 mono_mb_emit_byte (mb, CEE_STIND_REF);
3570 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3571 mono_mb_emit_ldarg (mb, 1);
3572 mono_mb_emit_ldloc (mb, loc_return);
3573 if (ret_class->valuetype) {
3574 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3576 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3577 mono_mb_emit_byte (mb, CEE_STIND_REF);
3579 mono_mb_emit_ldarg (mb, 1);
3580 mono_mb_emit_byte (mb, CEE_LDNULL);
3581 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3582 mono_mb_emit_byte (mb, CEE_STIND_REF);
3585 mono_mb_emit_ldarg (mb, 2);
3586 mono_mb_emit_byte (mb, CEE_LDNULL);
3587 mono_mb_emit_byte (mb, CEE_STIND_REF);
3588 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3590 /* Main exception catch */
3591 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3592 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
3593 main_clause->data.catch_class = mono_defaults.object_class;
3596 main_clause->handler_offset = mono_mb_get_label (mb);
3597 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3598 mono_mb_emit_stloc (mb, loc_serialized_exc);
3599 mono_mb_emit_ldarg (mb, 2);
3600 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3601 mono_mb_emit_byte (mb, CEE_STIND_REF);
3602 mono_mb_emit_branch (mb, CEE_LEAVE);
3603 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
3606 mono_mb_patch_branch (mb, pos_leave);
3609 mono_mb_emit_ldloc (mb, loc_return);
3611 mono_mb_emit_byte (mb, CEE_RET);
3613 mono_mb_set_clauses (mb, 1, main_clause);
3616 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3622 /* mono_marshal_get_xappdomain_invoke ()
3623 * Generates a fast remoting wrapper for cross app domain calls.
3626 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3628 MonoMethodSignature *sig;
3629 MonoMethodBuilder *mb;
3631 int i, j, complex_count, complex_out_count, copy_locals_base;
3633 MonoClass *ret_class = NULL;
3634 MonoMethod *xdomain_method;
3635 int ret_marshal_type = MONO_MARSHAL_NONE;
3636 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3637 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3638 int pos, pos_dispatch, pos_noex;
3639 gboolean copy_return = FALSE;
3643 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3646 /* we cant remote methods without this pointer */
3647 if (!mono_method_signature (method)->hasthis)
3650 if (!mono_marshal_supports_fast_xdomain (method))
3651 return mono_marshal_get_remoting_invoke (method);
3653 mono_remoting_marshal_init ();
3655 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3658 sig = mono_signature_no_pinvoke (method);
3660 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3661 mb->method->save_lmf = 1;
3663 /* Count the number of parameters that need to be serialized */
3665 marshal_types = alloca (sizeof (int) * sig->param_count);
3666 complex_count = complex_out_count = 0;
3667 for (i = 0; i < sig->param_count; i++) {
3668 MonoType *ptype = sig->params[i];
3669 int mt = mono_get_xdomain_marshal_type (ptype);
3671 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3672 * the copy will be made by reusing the original object instance
3674 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3675 mt = MONO_MARSHAL_COPY_OUT;
3676 else if (mt == MONO_MARSHAL_SERIALIZE) {
3678 if (ptype->byref) complex_out_count++;
3680 marshal_types [i] = mt;
3683 if (sig->ret->type != MONO_TYPE_VOID) {
3684 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3685 ret_class = mono_class_from_mono_type (sig->ret);
3686 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3692 if (complex_count > 0)
3693 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3694 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3695 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3697 loc_return = mono_mb_add_local (mb, sig->ret);
3698 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3699 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3700 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3701 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3703 /* Save thread domain data */
3705 mono_mb_emit_icall (mb, mono_context_get);
3706 mono_mb_emit_byte (mb, CEE_DUP);
3707 mono_mb_emit_stloc (mb, loc_context);
3709 /* If the thread is not running in the default context, it needs to go
3710 * through the whole remoting sink, since the context is going to change
3712 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3713 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3715 /* Another case in which the fast path can't be used: when the target domain
3716 * has a different image for the same assembly.
3719 /* Get the target domain id */
3721 mono_mb_emit_ldarg (mb, 0);
3722 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3723 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3724 mono_mb_emit_byte (mb, CEE_DUP);
3725 mono_mb_emit_stloc (mb, loc_real_proxy);
3727 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3728 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3729 mono_mb_emit_stloc (mb, loc_domainid);
3731 /* Check if the target domain has the same image for the required assembly */
3733 mono_mb_emit_ldloc (mb, loc_domainid);
3734 mono_mb_emit_ptr (mb, method->klass->image);
3735 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3736 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3738 /* Use the whole remoting sink to dispatch this message */
3740 mono_mb_patch_short_branch (mb, pos);
3742 mono_mb_emit_ldarg (mb, 0);
3743 for (i = 0; i < sig->param_count; i++)
3744 mono_mb_emit_ldarg (mb, i + 1);
3746 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3747 mono_mb_emit_byte (mb, CEE_RET);
3748 mono_mb_patch_short_branch (mb, pos_dispatch);
3750 /* Create the array that will hold the parameters to be serialized */
3752 if (complex_count > 0) {
3753 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 */
3754 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3757 for (i = 0; i < sig->param_count; i++) {
3759 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3760 pclass = mono_class_from_mono_type (sig->params[i]);
3761 mono_mb_emit_byte (mb, CEE_DUP);
3762 mono_mb_emit_icon (mb, j);
3763 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3764 if (sig->params[i]->byref) {
3765 if (pclass->valuetype)
3766 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3768 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3770 if (pclass->valuetype)
3771 mono_mb_emit_op (mb, CEE_BOX, pclass);
3772 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3775 mono_mb_emit_stloc (mb, loc_array);
3777 /* Serialize parameters */
3779 mono_mb_emit_ldloc (mb, loc_array);
3780 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3781 mono_mb_emit_stloc (mb, loc_serialized_data);
3783 mono_mb_emit_byte (mb, CEE_LDNULL);
3784 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3785 mono_mb_emit_stloc (mb, loc_serialized_data);
3790 mono_mb_emit_ldloc (mb, loc_domainid);
3791 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3792 mono_marshal_emit_switch_domain (mb);
3793 mono_mb_emit_stloc (mb, loc_old_domainid);
3795 /* Load the arguments */
3797 mono_mb_emit_ldloc (mb, loc_real_proxy);
3798 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3799 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3801 copy_locals_base = mb->locals;
3802 for (i = 0; i < sig->param_count; i++) {
3803 switch (marshal_types [i]) {
3804 case MONO_MARSHAL_SERIALIZE:
3806 case MONO_MARSHAL_COPY: {
3807 mono_mb_emit_ldarg (mb, i+1);
3808 if (sig->params [i]->byref) {
3809 /* make a local copy of the byref parameter. The real parameter
3810 * will be updated after the xdomain call
3812 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3813 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3814 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3815 mono_mb_emit_stloc (mb, copy_local);
3816 mono_mb_emit_ldloc_addr (mb, copy_local);
3820 case MONO_MARSHAL_COPY_OUT:
3821 case MONO_MARSHAL_NONE:
3822 mono_mb_emit_ldarg (mb, i+1);
3827 /* Make the call to the invoke wrapper in the target domain */
3829 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3830 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3831 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3834 mono_mb_emit_stloc (mb, loc_return);
3838 mono_mb_emit_ldloc (mb, loc_old_domainid);
3839 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3840 mono_marshal_emit_switch_domain (mb);
3841 mono_mb_emit_byte (mb, CEE_POP);
3843 /* Restore thread domain data */
3845 mono_mb_emit_ldloc (mb, loc_context);
3846 mono_mb_emit_icall (mb, mono_context_set);
3848 /* if (loc_serialized_exc != null) ... */
3850 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3851 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3853 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3854 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3855 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3856 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3857 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3858 mono_mb_emit_byte (mb, CEE_THROW);
3859 mono_mb_patch_short_branch (mb, pos_noex);
3861 /* copy back non-serialized output parameters */
3864 for (i = 0; i < sig->param_count; i++) {
3865 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3866 mono_mb_emit_ldarg (mb, i + 1);
3867 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3868 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3869 mono_mb_emit_byte (mb, CEE_STIND_REF);
3872 /* Deserialize out parameters */
3874 if (complex_out_count > 0) {
3875 mono_mb_emit_ldloc (mb, loc_serialized_data);
3876 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3877 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3878 mono_mb_emit_stloc (mb, loc_array);
3880 /* Copy back output parameters and return type */
3883 for (i = 0; i < sig->param_count; i++) {
3884 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3885 if (sig->params[i]->byref) {
3886 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3887 mono_mb_emit_ldarg (mb, i + 1);
3888 mono_mb_emit_ldloc (mb, loc_array);
3889 mono_mb_emit_icon (mb, j);
3890 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3891 if (pclass->valuetype) {
3892 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3893 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3894 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3896 if (pclass != mono_defaults.object_class)
3897 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3898 mono_mb_emit_byte (mb, CEE_STIND_REF);
3904 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3905 mono_mb_emit_ldloc (mb, loc_array);
3906 mono_mb_emit_icon (mb, complex_count);
3907 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3908 if (ret_class->valuetype) {
3909 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3910 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3913 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3914 mono_mb_emit_ldloc (mb, loc_serialized_data);
3915 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3916 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3917 if (ret_class->valuetype) {
3918 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3919 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3920 } else if (ret_class != mono_defaults.object_class) {
3921 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3924 mono_mb_emit_ldloc (mb, loc_serialized_data);
3925 mono_mb_emit_byte (mb, CEE_DUP);
3926 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3927 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3929 mono_mb_patch_short_branch (mb, pos);
3930 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3931 mono_mb_emit_byte (mb, CEE_POP);
3935 mono_mb_emit_ldloc (mb, loc_return);
3936 if (ret_marshal_type == MONO_MARSHAL_COPY)
3937 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3940 mono_mb_emit_byte (mb, CEE_RET);
3941 #endif /* DISABLE_JIT */
3943 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3950 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3952 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
3953 return mono_marshal_get_xappdomain_invoke (method);
3954 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
3956 return mono_cominterop_get_invoke (method);
3958 g_assert_not_reached ();
3961 return mono_marshal_get_remoting_invoke (method);
3967 G_GNUC_UNUSED static gpointer
3968 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3970 if (rp->target_domain_id != -1)
3971 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3973 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3977 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3979 MonoMethodSignature *sig;
3980 MonoMethodBuilder *mb;
3981 MonoMethod *res, *native;
3982 int i, pos, pos_rem;
3986 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3989 /* we cant remote methods without this pointer */
3990 g_assert (mono_method_signature (method)->hasthis);
3992 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3995 sig = mono_signature_no_pinvoke (method);
3997 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
4000 for (i = 0; i <= sig->param_count; i++)
4001 mono_mb_emit_ldarg (mb, i);
4003 mono_mb_emit_ldarg (mb, 0);
4004 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4006 if (mono_marshal_supports_fast_xdomain (method)) {
4007 mono_mb_emit_ldarg (mb, 0);
4008 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
4010 /* wrapper for cross app domain calls */
4011 native = mono_marshal_get_xappdomain_invoke (method);
4012 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4013 mono_mb_emit_byte (mb, CEE_RET);
4015 mono_mb_patch_branch (mb, pos_rem);
4017 /* wrapper for normal remote calls */
4018 native = mono_marshal_get_remoting_invoke (method);
4019 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
4020 mono_mb_emit_byte (mb, CEE_RET);
4023 mono_mb_patch_branch (mb, pos);
4024 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4025 mono_mb_emit_byte (mb, CEE_RET);
4028 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
4034 #endif /* DISABLE_REMOTING */
4038 MonoMethodSignature *sig;
4040 } SignatureMethodPair;
4043 signature_method_pair_hash (gconstpointer data)
4045 SignatureMethodPair *pair = (SignatureMethodPair*)data;
4047 return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->method);
4051 signature_method_pair_equal (SignatureMethodPair *pair1, SignatureMethodPair *pair2)
4053 return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->method == pair2->method);
4057 signature_method_pair_matches_method (gpointer key, gpointer value, gpointer user_data)
4059 SignatureMethodPair *pair = (SignatureMethodPair*)key;
4060 MonoMethod *method = (MonoMethod*)user_data;
4062 return pair->method == method;
4066 free_signature_method_pair (SignatureMethodPair *pair)
4072 * the returned method invokes all methods in a multicast delegate.
4075 mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
4077 MonoMethodSignature *sig, *static_sig, *invoke_sig;
4079 MonoMethodBuilder *mb;
4080 MonoMethod *res, *newm;
4082 SignatureMethodPair key;
4083 SignatureMethodPair *new_key;
4084 int local_prev, local_target;
4087 MonoMethod *target_method = NULL;
4088 MonoClass *target_class = NULL;
4089 gboolean callvirt = FALSE;
4090 gboolean closed_over_null = FALSE;
4091 gboolean static_method_with_first_arg_bound = FALSE;
4092 MonoGenericContext *ctx = NULL;
4093 MonoGenericContainer *container = NULL;
4094 MonoMethod *orig_method = NULL;
4097 * If the delegate target is null, and the target method is not static, a virtual
4098 * call is made to that method with the first delegate argument as this. This is
4099 * a non-documented .NET feature.
4101 if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
4103 target_method = del->method;
4104 if (target_method->is_inflated) {
4105 MonoType *target_type;
4107 g_assert (method->signature->hasthis);
4108 target_type = mono_class_inflate_generic_type (method->signature->params [0],
4109 mono_method_get_context (method));
4110 target_class = mono_class_from_mono_type (target_type);
4112 target_class = del->method->klass;
4116 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
4117 !strcmp (method->name, "Invoke"));
4119 invoke_sig = sig = mono_signature_no_pinvoke (method);
4122 closed_over_null = sig->param_count == mono_method_signature (del->method)->param_count;
4124 if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
4125 invoke_sig = mono_method_signature (del->method);
4126 target_method = del->method;
4127 static_method_with_first_arg_bound = TRUE;
4131 * For generic delegates, create a generic wrapper, and returns an instance to help AOT.
4133 if (method->is_inflated && !callvirt && !static_method_with_first_arg_bound) {
4134 orig_method = method;
4135 ctx = &((MonoMethodInflated*)method)->context;
4136 method = ((MonoMethodInflated*)method)->declaring;
4138 container = mono_method_get_generic_container (method);
4140 container = method->klass->generic_container;
4141 g_assert (container);
4143 invoke_sig = sig = mono_signature_no_pinvoke (method);
4150 cache = get_cache (&method->klass->image->delegate_invoke_generic_cache, mono_aligned_addr_hash, NULL);
4151 res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
4154 } else if (callvirt || static_method_with_first_arg_bound) {
4155 GHashTable **cache_ptr;
4156 if (static_method_with_first_arg_bound)
4157 cache_ptr = &method->klass->image->delegate_bound_static_invoke_cache;
4159 cache_ptr = &method->klass->image->delegate_abstract_invoke_cache;
4161 /* We need to cache the signature+method pair */
4162 mono_marshal_lock ();
4164 *cache_ptr = g_hash_table_new_full (signature_method_pair_hash, (GEqualFunc)signature_method_pair_equal, (GDestroyNotify)free_signature_method_pair, NULL);
4166 key.sig = invoke_sig;
4167 key.method = target_method;
4168 res = g_hash_table_lookup (cache, &key);
4169 mono_marshal_unlock ();
4173 cache = get_cache (&method->klass->image->delegate_invoke_cache,
4174 (GHashFunc)mono_signature_hash,
4175 (GCompareFunc)mono_metadata_signature_equal);
4176 res = mono_marshal_find_in_cache (cache, sig);
4181 static_sig = signature_dup (method->klass->image, sig);
4182 static_sig->hasthis = 0;
4183 if (!static_method_with_first_arg_bound)
4184 invoke_sig = static_sig;
4186 name = mono_signature_to_name (sig, "invoke");
4188 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
4190 mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
4194 /* allocate local 0 (object) */
4195 local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4196 local_prev = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4198 g_assert (sig->hasthis);
4202 * prev.Invoke( args .. );
4203 * return this.<target>( args .. );
4206 /* this wrapper can be used in unmanaged-managed transitions */
4207 emit_thread_interrupt_checkpoint (mb);
4209 /* get this->prev */
4210 mono_mb_emit_ldarg (mb, 0);
4211 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4212 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4213 mono_mb_emit_stloc (mb, local_prev);
4214 mono_mb_emit_ldloc (mb, local_prev);
4216 /* if prev != null */
4217 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4221 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4222 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
4224 mono_mb_emit_ldloc (mb, local_prev);
4225 for (i = 0; i < sig->param_count; i++)
4226 mono_mb_emit_ldarg (mb, i + 1);
4228 mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method (method, &container->context));
4230 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4231 if (sig->ret->type != MONO_TYPE_VOID)
4232 mono_mb_emit_byte (mb, CEE_POP);
4234 /* continued or prev == null */
4235 mono_mb_patch_branch (mb, pos0);
4237 /* get this->target */
4238 mono_mb_emit_ldarg (mb, 0);
4239 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4240 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4241 mono_mb_emit_stloc (mb, local_target);
4243 /*static methods with bound first arg can have null target and still be bound*/
4244 if (!static_method_with_first_arg_bound) {
4245 /* if target != null */
4246 mono_mb_emit_ldloc (mb, local_target);
4247 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4249 /* then call this->method_ptr nonstatic */
4252 mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
4254 mono_mb_emit_ldloc (mb, local_target);
4255 for (i = 0; i < sig->param_count; ++i)
4256 mono_mb_emit_ldarg (mb, i + 1);
4257 mono_mb_emit_ldarg (mb, 0);
4258 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4259 mono_mb_emit_byte (mb, CEE_LDIND_I );
4260 mono_mb_emit_op (mb, CEE_CALLI, sig);
4262 mono_mb_emit_byte (mb, CEE_RET);
4265 /* else [target == null] call this->method_ptr static */
4266 mono_mb_patch_branch (mb, pos0);
4270 if (!closed_over_null) {
4271 mono_mb_emit_ldarg (mb, 1);
4272 mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
4273 for (i = 1; i < sig->param_count; ++i)
4274 mono_mb_emit_ldarg (mb, i + 1);
4275 mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
4277 mono_mb_emit_byte (mb, CEE_LDNULL);
4278 for (i = 0; i < sig->param_count; ++i)
4279 mono_mb_emit_ldarg (mb, i + 1);
4280 mono_mb_emit_op (mb, CEE_CALL, target_method);
4283 if (static_method_with_first_arg_bound) {
4284 mono_mb_emit_ldloc (mb, local_target);
4285 if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
4286 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
4288 for (i = 0; i < sig->param_count; ++i)
4289 mono_mb_emit_ldarg (mb, i + 1);
4290 mono_mb_emit_ldarg (mb, 0);
4291 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4292 mono_mb_emit_byte (mb, CEE_LDIND_I );
4293 mono_mb_emit_op (mb, CEE_CALLI, invoke_sig);
4296 mono_mb_emit_byte (mb, CEE_RET);
4298 mb->skip_visibility = 1;
4299 #endif /* DISABLE_JIT */
4304 def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
4305 res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
4306 } else if (static_method_with_first_arg_bound || callvirt) {
4307 // From mono_mb_create_and_cache
4308 newm = mono_mb_create_method (mb, sig, sig->param_count + 16);
4309 /*We perform double checked locking, so must fence before publishing*/
4310 mono_memory_barrier ();
4311 mono_marshal_lock ();
4312 res = g_hash_table_lookup (cache, &key);
4315 new_key = g_new0 (SignatureMethodPair, 1);
4317 if (static_method_with_first_arg_bound)
4318 new_key->sig = signature_dup (del->method->klass->image, key.sig);
4319 g_hash_table_insert (cache, new_key, res);
4320 mono_marshal_set_wrapper_info (res, new_key);
4321 mono_marshal_unlock ();
4323 mono_marshal_unlock ();
4324 mono_free_method (newm);
4327 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
4335 * signature_dup_add_this:
4337 * Make a copy of @sig, adding an explicit this argument.
4339 static MonoMethodSignature*
4340 signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
4342 MonoMethodSignature *res;
4345 res = mono_metadata_signature_alloc (image, sig->param_count + 1);
4346 memcpy (res, sig, MONO_SIZEOF_METHOD_SIGNATURE);
4347 res->param_count = sig->param_count + 1;
4348 res->hasthis = FALSE;
4349 for (i = sig->param_count - 1; i >= 0; i --)
4350 res->params [i + 1] = sig->params [i];
4351 res->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
4357 MonoMethodSignature *ctor_sig;
4358 MonoMethodSignature *sig;
4361 /* protected by the marshal lock, contains CtorSigPair pointers */
4362 static GSList *strsig_list = NULL;
4364 static MonoMethodSignature *
4365 lookup_string_ctor_signature (MonoMethodSignature *sig)
4367 MonoMethodSignature *callsig;
4371 mono_marshal_lock ();
4373 for (item = strsig_list; item; item = item->next) {
4375 /* mono_metadata_signature_equal () is safe to call with the marshal lock
4376 * because it is lock-free.
4378 if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
4383 mono_marshal_unlock ();
4387 static MonoMethodSignature *
4388 add_string_ctor_signature (MonoMethod *method)
4390 MonoMethodSignature *callsig;
4393 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4394 callsig->ret = &mono_defaults.string_class->byval_arg;
4395 cs = g_new (CtorSigPair, 1);
4397 cs->ctor_sig = mono_method_signature (method);
4399 mono_marshal_lock ();
4400 strsig_list = g_slist_prepend (strsig_list, cs);
4401 mono_marshal_unlock ();
4406 * mono_marshal_get_string_ctor_signature:
4408 * Return the modified signature used by string ctors (they return the newly created
4411 MonoMethodSignature*
4412 mono_marshal_get_string_ctor_signature (MonoMethod *method)
4414 MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
4416 sig = add_string_ctor_signature (method);
4422 get_runtime_invoke_type (MonoType *t, gboolean ret)
4425 /* Can't share this with 'I' as that needs another indirection */
4428 if (MONO_TYPE_IS_REFERENCE (t))
4429 return &mono_defaults.object_class->byval_arg;
4432 /* The result needs to be boxed */
4437 /* Can't share these as the argument needs to be loaded using sign/zero extension */
4440 return &mono_defaults.sbyte_class->byval_arg;
4442 return &mono_defaults.int16_class->byval_arg;
4444 return &mono_defaults.int32_class->byval_arg;
4447 return &mono_defaults.int64_class->byval_arg;
4448 case MONO_TYPE_BOOLEAN:
4449 return &mono_defaults.byte_class->byval_arg;
4450 case MONO_TYPE_CHAR:
4451 return &mono_defaults.uint16_class->byval_arg;
4454 return &mono_defaults.int_class->byval_arg;
4455 case MONO_TYPE_VALUETYPE:
4456 if (t->data.klass->enumtype) {
4457 t = mono_class_enum_basetype (t->data.klass);
4467 * mono_marshal_get_runtime_invoke_sig:
4469 * Return a common signature used for sharing runtime invoke wrappers.
4471 static MonoMethodSignature*
4472 mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
4474 MonoMethodSignature *res = mono_metadata_signature_dup (sig);
4477 res->ret = get_runtime_invoke_type (sig->ret, TRUE);
4478 for (i = 0; i < res->param_count; ++i)
4479 res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
4485 runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4487 /* Can't share wrappers which return a vtype since it needs to be boxed */
4488 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))
4491 return mono_metadata_signature_equal (sig1, sig2);
4499 * Emit the call to the wrapper method from a runtime invoke wrapper.
4502 emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
4503 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4505 gboolean virtual, gboolean need_direct_wrapper)
4507 static MonoString *string_dummy = NULL;
4509 int *tmp_nullable_locals;
4510 gboolean void_ret = FALSE;
4512 /* to make it work with our special string constructors */
4513 if (!string_dummy) {
4514 MONO_GC_REGISTER_ROOT_SINGLE (string_dummy);
4515 string_dummy = mono_string_new_wrapper ("dummy");
4519 g_assert (sig->hasthis);
4520 g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
4524 if (method->string_ctor) {
4525 if (mono_gc_is_moving ()) {
4526 mono_mb_emit_ptr (mb, &string_dummy);
4527 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4529 mono_mb_emit_ptr (mb, string_dummy);
4532 mono_mb_emit_ldarg (mb, 0);
4536 tmp_nullable_locals = g_new0 (int, sig->param_count);
4538 for (i = 0; i < sig->param_count; i++) {
4539 MonoType *t = sig->params [i];
4542 mono_mb_emit_ldarg (mb, 1);
4544 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4545 mono_mb_emit_byte (mb, CEE_ADD);
4549 mono_mb_emit_byte (mb, CEE_LDIND_I);
4550 /* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
4551 * So to make this work we unbox it to a local variablee and push a reference to that.
4553 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4554 tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
4556 mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
4557 mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
4558 mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
4563 /*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
4564 type = sig->params [i]->type;
4568 case MONO_TYPE_BOOLEAN:
4572 case MONO_TYPE_CHAR:
4581 mono_mb_emit_byte (mb, CEE_LDIND_I);
4582 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4584 case MONO_TYPE_STRING:
4585 case MONO_TYPE_CLASS:
4586 case MONO_TYPE_ARRAY:
4588 case MONO_TYPE_SZARRAY:
4589 case MONO_TYPE_OBJECT:
4590 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4592 case MONO_TYPE_GENERICINST:
4593 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4594 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4599 case MONO_TYPE_VALUETYPE:
4600 if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
4601 type = mono_class_enum_basetype (t->data.klass)->type;
4604 mono_mb_emit_byte (mb, CEE_LDIND_I);
4605 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4606 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4607 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4608 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4610 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4614 g_assert_not_reached ();
4619 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
4620 } else if (need_direct_wrapper) {
4621 mono_mb_emit_op (mb, CEE_CALL, method);
4623 mono_mb_emit_ldarg (mb, 3);
4624 mono_mb_emit_calli (mb, callsig);
4627 if (sig->ret->byref) {
4629 g_assert_not_reached ();
4632 switch (sig->ret->type) {
4633 case MONO_TYPE_VOID:
4634 if (!method->string_ctor)
4637 case MONO_TYPE_BOOLEAN:
4638 case MONO_TYPE_CHAR:
4651 case MONO_TYPE_VALUETYPE:
4652 case MONO_TYPE_TYPEDBYREF:
4653 case MONO_TYPE_GENERICINST:
4654 /* box value types */
4655 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4657 case MONO_TYPE_STRING:
4658 case MONO_TYPE_CLASS:
4659 case MONO_TYPE_ARRAY:
4660 case MONO_TYPE_SZARRAY:
4661 case MONO_TYPE_OBJECT:
4665 /* The result is an IntPtr */
4666 mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
4669 g_assert_not_reached ();
4673 mono_mb_emit_stloc (mb, loc_res);
4675 /* Convert back nullable-byref arguments */
4676 for (i = 0; i < sig->param_count; i++) {
4677 MonoType *t = sig->params [i];
4680 * Box the result and put it back into the array, the caller will have
4681 * to obtain it from there.
4683 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
4684 mono_mb_emit_ldarg (mb, 1);
4685 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4686 mono_mb_emit_byte (mb, CEE_ADD);
4688 mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
4689 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
4691 mono_mb_emit_byte (mb, CEE_STIND_REF);
4695 g_free (tmp_nullable_locals);
4699 emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoClass *target_klass, MonoMethod *method,
4700 MonoMethodSignature *sig, MonoMethodSignature *callsig,
4701 gboolean virtual, gboolean need_direct_wrapper)
4704 MonoExceptionClause *clause;
4705 int loc_res, loc_exc;
4707 /* The wrapper looks like this:
4713 * } catch (Exception e) {
4721 /* allocate local 0 (object) tmp */
4722 loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4723 /* allocate local 1 (object) exc */
4724 loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4726 /* *exc is assumed to be initialized to NULL by the caller */
4728 mono_mb_emit_byte (mb, CEE_LDARG_2);
4729 labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
4734 labels [1] = mono_mb_get_label (mb);
4735 emit_thread_force_interrupt_checkpoint (mb);
4736 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4738 labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
4740 /* Add a try clause around the call */
4741 clause = mono_image_alloc0 (target_klass->image, sizeof (MonoExceptionClause));
4742 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
4743 clause->data.catch_class = mono_defaults.exception_class;
4744 clause->try_offset = labels [1];
4745 clause->try_len = mono_mb_get_label (mb) - labels [1];
4747 clause->handler_offset = mono_mb_get_label (mb);
4750 mono_mb_emit_stloc (mb, loc_exc);
4751 mono_mb_emit_byte (mb, CEE_LDARG_2);
4752 mono_mb_emit_ldloc (mb, loc_exc);
4753 mono_mb_emit_byte (mb, CEE_STIND_REF);
4755 mono_mb_emit_branch (mb, CEE_LEAVE);
4757 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
4759 mono_mb_set_clauses (mb, 1, clause);
4761 mono_mb_patch_branch (mb, labels [2]);
4762 mono_mb_emit_ldloc (mb, loc_res);
4763 mono_mb_emit_byte (mb, CEE_RET);
4768 mono_mb_patch_branch (mb, labels [0]);
4769 emit_thread_force_interrupt_checkpoint (mb);
4770 emit_invoke_call (mb, method, sig, callsig, loc_res, virtual, need_direct_wrapper);
4772 mono_mb_emit_ldloc (mb, 0);
4773 mono_mb_emit_byte (mb, CEE_RET);
4778 * generates IL code for the runtime invoke function
4779 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4781 * we also catch exceptions if exc != null
4782 * If VIRTUAL is TRUE, then METHOD is invoked virtually on THIS. This is useful since
4783 * it means that the compiled code for METHOD does not have to be looked up
4784 * before calling the runtime invoke wrapper. In this case, the wrapper ignores
4785 * its METHOD argument.
4788 mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual)
4790 MonoMethodSignature *sig, *csig, *callsig;
4791 MonoMethodBuilder *mb;
4792 GHashTable *cache = NULL;
4793 MonoClass *target_klass;
4794 MonoMethod *res = NULL;
4795 static MonoMethodSignature *cctor_signature = NULL;
4796 static MonoMethodSignature *finalize_signature = NULL;
4798 const char *param_names [16];
4799 gboolean need_direct_wrapper = FALSE;
4804 if (!cctor_signature) {
4805 cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4806 cctor_signature->ret = &mono_defaults.void_class->byval_arg;
4808 if (!finalize_signature) {
4809 finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4810 finalize_signature->ret = &mono_defaults.void_class->byval_arg;
4811 finalize_signature->hasthis = 1;
4815 need_direct_wrapper = TRUE;
4818 * Use a separate cache indexed by methods to speed things up and to avoid the
4819 * boundless mempool growth caused by the signature_dup stuff below.
4822 cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
4824 cache = get_cache (&method->klass->image->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
4825 res = mono_marshal_find_in_cache (cache, method);
4829 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4830 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4832 * Array Get/Set/Address methods. The JIT implements them using inline code
4833 * so we need to create an invoke wrapper which calls the method directly.
4835 need_direct_wrapper = TRUE;
4838 if (method->string_ctor) {
4839 callsig = lookup_string_ctor_signature (mono_method_signature (method));
4841 callsig = add_string_ctor_signature (method);
4842 /* Can't share this as we push a string as this */
4843 need_direct_wrapper = TRUE;
4845 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4847 * Valuetype methods receive a managed pointer as the this argument.
4848 * Create a new signature to reflect this.
4850 callsig = signature_dup_add_this (method->klass->image, mono_method_signature (method), method->klass);
4851 /* Can't share this as it would be shared with static methods taking an IntPtr argument */
4852 need_direct_wrapper = TRUE;
4854 if (method->dynamic)
4855 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4857 callsig = mono_method_signature (method);
4861 target_klass = get_wrapper_target_class (method->klass->image);
4863 /* Try to share wrappers for non-corlib methods with simple signatures */
4864 if (mono_metadata_signature_equal (callsig, cctor_signature)) {
4865 callsig = cctor_signature;
4866 target_klass = mono_defaults.object_class;
4867 } else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
4868 callsig = finalize_signature;
4869 target_klass = mono_defaults.object_class;
4872 if (need_direct_wrapper) {
4873 /* Already searched at the start */
4875 MonoMethodSignature *tmp_sig;
4877 callsig = mono_marshal_get_runtime_invoke_sig (callsig);
4879 cache = get_cache (&target_klass->image->runtime_invoke_cache,
4880 (GHashFunc)mono_signature_hash,
4881 (GCompareFunc)runtime_invoke_signature_equal);
4883 /* from mono_marshal_find_in_cache */
4884 mono_marshal_lock ();
4885 res = g_hash_table_lookup (cache, callsig);
4886 mono_marshal_unlock ();
4893 /* Make a copy of the signature from the image mempool */
4895 callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
4899 sig = mono_method_signature (method);
4901 csig = mono_metadata_signature_alloc (target_klass->image, 4);
4903 csig->ret = &mono_defaults.object_class->byval_arg;
4904 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4905 csig->params [0] = callsig->params [0];
4907 csig->params [0] = &mono_defaults.object_class->byval_arg;
4908 csig->params [1] = &mono_defaults.int_class->byval_arg;
4909 csig->params [2] = &mono_defaults.int_class->byval_arg;
4910 csig->params [3] = &mono_defaults.int_class->byval_arg;
4913 /* This is called from runtime code so it has to be cdecl */
4914 csig->call_convention = MONO_CALL_C;
4917 name = mono_signature_to_name (callsig, virtual ? "runtime_invoke_virtual" : "runtime_invoke");
4918 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4922 param_names [0] = "this";
4923 param_names [1] = "params";
4924 param_names [2] = "exc";
4925 param_names [3] = "method";
4926 mono_mb_set_param_names (mb, param_names);
4928 emit_runtime_invoke_body (mb, target_klass, method, sig, callsig, virtual, need_direct_wrapper);
4931 if (need_direct_wrapper) {
4933 mb->skip_visibility = 1;
4935 res = mono_mb_create_and_cache (cache, method, mb, csig, sig->param_count + 16);
4936 info = mono_wrapper_info_create (res, virtual ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
4937 info->d.runtime_invoke.method = method;
4938 mono_marshal_set_wrapper_info (res, info);
4940 /* taken from mono_mb_create_and_cache */
4941 mono_marshal_lock ();
4942 res = g_hash_table_lookup (cache, callsig);
4943 mono_marshal_unlock ();
4945 /* Somebody may have created it before us */
4948 newm = mono_mb_create_method (mb, csig, sig->param_count + 16);
4950 mono_marshal_lock ();
4951 res = g_hash_table_lookup (cache, callsig);
4954 g_hash_table_insert (cache, callsig, res);
4955 /* Can't insert it into wrapper_hash since the key is a signature */
4956 g_hash_table_insert (method->klass->image->runtime_invoke_direct_cache, method, res);
4957 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
4958 info->d.runtime_invoke.sig = callsig;
4959 mono_marshal_set_wrapper_info (res, info);
4961 mono_free_method (newm);
4963 mono_marshal_unlock ();
4966 /* end mono_mb_create_and_cache */
4975 * mono_marshal_get_runtime_invoke_dynamic:
4977 * Return a method which can be used to invoke managed methods from native code
4979 * The signature of the returned method is given by RuntimeInvokeDynamicFunction:
4980 * void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
4981 * ARGS should point to an architecture specific structure containing
4982 * the arguments and space for the return value.
4983 * The other arguments are the same as for runtime_invoke (), except that
4984 * ARGS should contain the this argument too.
4985 * This wrapper serves the same purpose as the runtime-invoke wrappers, but there
4986 * is only one copy of it, which is useful in full-aot.
4987 * The wrapper info for the wrapper is a WrapperInfo structure.
4990 mono_marshal_get_runtime_invoke_dynamic (void)
4992 static MonoMethod *method;
4993 MonoMethodSignature *csig;
4994 MonoExceptionClause *clause;
4995 MonoMethodBuilder *mb;
5003 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5005 csig->ret = &mono_defaults.void_class->byval_arg;
5006 csig->params [0] = &mono_defaults.int_class->byval_arg;
5007 csig->params [1] = &mono_defaults.int_class->byval_arg;
5008 csig->params [2] = &mono_defaults.int_class->byval_arg;
5009 csig->params [3] = &mono_defaults.int_class->byval_arg;
5011 name = g_strdup ("runtime_invoke_dynamic");
5012 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
5016 /* allocate local 0 (object) tmp */
5017 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5018 /* allocate local 1 (object) exc */
5019 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5021 /* cond set *exc to null */
5022 mono_mb_emit_byte (mb, CEE_LDARG_1);
5023 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
5024 mono_mb_emit_byte (mb, 3);
5025 mono_mb_emit_byte (mb, CEE_LDARG_1);
5026 mono_mb_emit_byte (mb, CEE_LDNULL);
5027 mono_mb_emit_byte (mb, CEE_STIND_REF);
5029 emit_thread_force_interrupt_checkpoint (mb);
5031 mono_mb_emit_byte (mb, CEE_LDARG_0);
5032 mono_mb_emit_byte (mb, CEE_LDARG_2);
5033 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5034 mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
5036 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
5038 clause = mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
5039 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
5040 clause->try_len = mono_mb_get_label (mb);
5043 clause->data.filter_offset = mono_mb_get_label (mb);
5045 mono_mb_emit_byte (mb, CEE_POP);
5046 mono_mb_emit_byte (mb, CEE_LDARG_1);
5047 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5048 mono_mb_emit_byte (mb, CEE_PREFIX1);
5049 mono_mb_emit_byte (mb, CEE_CGT_UN);
5050 mono_mb_emit_byte (mb, CEE_PREFIX1);
5051 mono_mb_emit_byte (mb, CEE_ENDFILTER);
5053 clause->handler_offset = mono_mb_get_label (mb);
5056 /* store exception */
5057 mono_mb_emit_stloc (mb, 1);
5059 mono_mb_emit_byte (mb, CEE_LDARG_1);
5060 mono_mb_emit_ldloc (mb, 1);
5061 mono_mb_emit_byte (mb, CEE_STIND_REF);
5063 mono_mb_emit_byte (mb, CEE_LDNULL);
5064 mono_mb_emit_stloc (mb, 0);
5066 /* Check for the abort exception */
5067 mono_mb_emit_ldloc (mb, 1);
5068 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
5069 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
5071 /* Delay the abort exception */
5072 mono_mb_emit_icall (mb, ves_icall_System_Threading_Thread_ResetAbort);
5074 mono_mb_patch_short_branch (mb, posna);
5075 mono_mb_emit_branch (mb, CEE_LEAVE);
5077 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
5079 mono_mb_set_clauses (mb, 1, clause);
5082 mono_mb_patch_branch (mb, pos);
5083 //mono_mb_emit_ldloc (mb, 0);
5084 mono_mb_emit_byte (mb, CEE_RET);
5085 #endif /* DISABLE_JIT */
5087 mono_loader_lock ();
5088 /* double-checked locking */
5090 method = mono_mb_create_method (mb, csig, 16);
5091 info = mono_wrapper_info_create (method, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
5092 mono_marshal_set_wrapper_info (method, info);
5094 mono_loader_unlock ();
5103 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
5105 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
5106 klass->name_space, klass->name);
5108 mono_mb_emit_exception_marshal_directive (mb, msg);
5112 #ifndef DISABLE_REMOTING
5114 * mono_marshal_get_ldfld_remote_wrapper:
5115 * @klass: The return type
5117 * This method generates a wrapper for calling mono_load_remote_field_new.
5118 * The return type is ignored for now, as mono_load_remote_field_new () always
5119 * returns an object. In the future, to optimize some codepaths, we might
5120 * call a different function that takes a pointer to a valuetype, instead.
5123 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
5125 MonoMethodSignature *sig, *csig;
5126 MonoMethodBuilder *mb;
5128 static MonoMethod* cached = NULL;
5130 mono_marshal_lock ();
5132 mono_marshal_unlock ();
5135 mono_marshal_unlock ();
5137 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
5139 mb->method->save_lmf = 1;
5141 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5142 sig->params [0] = &mono_defaults.object_class->byval_arg;
5143 sig->params [1] = &mono_defaults.int_class->byval_arg;
5144 sig->params [2] = &mono_defaults.int_class->byval_arg;
5145 sig->ret = &mono_defaults.object_class->byval_arg;
5148 mono_mb_emit_ldarg (mb, 0);
5149 mono_mb_emit_ldarg (mb, 1);
5150 mono_mb_emit_ldarg (mb, 2);
5152 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5153 csig->params [0] = &mono_defaults.object_class->byval_arg;
5154 csig->params [1] = &mono_defaults.int_class->byval_arg;
5155 csig->params [2] = &mono_defaults.int_class->byval_arg;
5156 csig->ret = &mono_defaults.object_class->byval_arg;
5159 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5160 emit_thread_interrupt_checkpoint (mb);
5162 mono_mb_emit_byte (mb, CEE_RET);
5165 mono_marshal_lock ();
5167 mono_marshal_unlock ();
5170 newm = mono_mb_create_method (mb, sig, 4);
5171 mono_marshal_lock ();
5176 mono_marshal_unlock ();
5178 mono_marshal_unlock ();
5179 mono_free_method (newm);
5188 * mono_marshal_get_ldfld_wrapper:
5189 * @type: the type of the field
5191 * This method generates a function which can be use to load a field with type
5192 * @type from an object. The generated function has the following signature:
5193 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
5196 mono_marshal_get_ldfld_wrapper (MonoType *type)
5198 MonoMethodSignature *sig;
5199 MonoMethodBuilder *mb;
5204 int t, pos0, pos1 = 0;
5206 type = mono_type_get_underlying_type (type);
5211 if (type->type == MONO_TYPE_SZARRAY) {
5212 klass = mono_defaults.array_class;
5213 } else if (type->type == MONO_TYPE_VALUETYPE) {
5214 klass = type->data.klass;
5215 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5216 klass = mono_defaults.object_class;
5217 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5218 klass = mono_defaults.int_class;
5219 } else if (t == MONO_TYPE_GENERICINST) {
5220 if (mono_type_generic_inst_is_valuetype (type))
5221 klass = mono_class_from_mono_type (type);
5223 klass = mono_defaults.object_class;
5225 klass = mono_class_from_mono_type (type);
5228 klass = mono_defaults.int_class;
5231 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5232 if ((res = mono_marshal_find_in_cache (cache, klass)))
5235 /* we add the %p pointer value of klass because class names are not unique */
5236 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5237 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
5240 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5241 sig->params [0] = &mono_defaults.object_class->byval_arg;
5242 sig->params [1] = &mono_defaults.int_class->byval_arg;
5243 sig->params [2] = &mono_defaults.int_class->byval_arg;
5244 sig->params [3] = &mono_defaults.int_class->byval_arg;
5245 sig->ret = &klass->byval_arg;
5248 mono_mb_emit_ldarg (mb, 0);
5249 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5251 mono_mb_emit_ldarg (mb, 0);
5252 mono_mb_emit_ldarg (mb, 1);
5253 mono_mb_emit_ldarg (mb, 2);
5255 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
5258 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5259 csig->params [0] = &mono_defaults.object_class->byval_arg;
5260 csig->params [1] = &mono_defaults.int_class->byval_arg;
5261 csig->params [2] = &mono_defaults.int_class->byval_arg;
5262 csig->ret = &klass->this_arg;
5265 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
5266 emit_thread_interrupt_checkpoint (mb);
5269 if (klass->valuetype) {
5270 mono_mb_emit_op (mb, CEE_UNBOX, klass);
5271 pos1 = mono_mb_emit_branch (mb, CEE_BR);
5273 mono_mb_emit_byte (mb, CEE_RET);
5277 mono_mb_patch_branch (mb, pos0);
5279 mono_mb_emit_ldarg (mb, 0);
5280 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5281 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5282 mono_mb_emit_ldarg (mb, 3);
5283 mono_mb_emit_byte (mb, CEE_ADD);
5285 if (klass->valuetype)
5286 mono_mb_patch_branch (mb, pos1);
5291 case MONO_TYPE_BOOLEAN:
5292 case MONO_TYPE_CHAR:
5301 case MONO_TYPE_ARRAY:
5302 case MONO_TYPE_SZARRAY:
5303 case MONO_TYPE_OBJECT:
5304 case MONO_TYPE_CLASS:
5305 case MONO_TYPE_STRING:
5309 case MONO_TYPE_FNPTR:
5310 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
5312 case MONO_TYPE_VALUETYPE:
5313 g_assert (!klass->enumtype);
5314 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5316 case MONO_TYPE_GENERICINST:
5317 if (mono_type_generic_inst_is_valuetype (type)) {
5318 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5320 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5324 case MONO_TYPE_MVAR:
5325 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
5328 g_warning ("type %x not implemented", type->type);
5329 g_assert_not_reached ();
5332 mono_mb_emit_byte (mb, CEE_RET);
5333 #endif /* DISABLE_JIT */
5335 res = mono_mb_create_and_cache (cache, klass,
5336 mb, sig, sig->param_count + 16);
5343 * mono_marshal_get_ldflda_wrapper:
5344 * @type: the type of the field
5346 * This method generates a function which can be used to load a field address
5347 * from an object. The generated function has the following signature:
5348 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
5351 mono_marshal_get_ldflda_wrapper (MonoType *type)
5353 MonoMethodSignature *sig;
5354 MonoMethodBuilder *mb;
5359 int t, pos0, pos1, pos2, pos3;
5361 type = mono_type_get_underlying_type (type);
5365 if (type->type == MONO_TYPE_SZARRAY) {
5366 klass = mono_defaults.array_class;
5367 } else if (type->type == MONO_TYPE_VALUETYPE) {
5368 klass = type->data.klass;
5369 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
5370 t == MONO_TYPE_CLASS) {
5371 klass = mono_defaults.object_class;
5372 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5373 klass = mono_defaults.int_class;
5374 } else if (t == MONO_TYPE_GENERICINST) {
5375 if (mono_type_generic_inst_is_valuetype (type))
5376 klass = mono_class_from_mono_type (type);
5378 klass = mono_defaults.object_class;
5380 klass = mono_class_from_mono_type (type);
5383 klass = mono_defaults.int_class;
5386 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
5387 if ((res = mono_marshal_find_in_cache (cache, klass)))
5390 /* we add the %p pointer value of klass because class names are not unique */
5391 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5392 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
5395 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5396 sig->params [0] = &mono_defaults.object_class->byval_arg;
5397 sig->params [1] = &mono_defaults.int_class->byval_arg;
5398 sig->params [2] = &mono_defaults.int_class->byval_arg;
5399 sig->params [3] = &mono_defaults.int_class->byval_arg;
5400 sig->ret = &mono_defaults.int_class->byval_arg;
5403 /* if typeof (this) != transparent_proxy goto pos0 */
5404 mono_mb_emit_ldarg (mb, 0);
5405 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5407 /* if same_appdomain goto pos1 */
5408 mono_mb_emit_ldarg (mb, 0);
5409 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
5411 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
5413 /* same app domain */
5414 mono_mb_patch_branch (mb, pos1);
5416 /* if typeof (this) != contextbound goto pos2 */
5417 mono_mb_emit_ldarg (mb, 0);
5418 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
5420 /* if this->rp->context == mono_context_get goto pos3 */
5421 mono_mb_emit_ldarg (mb, 0);
5422 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5423 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5424 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, context));
5425 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5426 mono_mb_emit_icall (mb, mono_context_get);
5427 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
5429 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
5431 mono_mb_patch_branch (mb, pos2);
5432 mono_mb_patch_branch (mb, pos3);
5434 /* return the address of the field from this->rp->unwrapped_server */
5435 mono_mb_emit_ldarg (mb, 0);
5436 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5437 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5438 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
5439 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5440 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5441 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5442 mono_mb_emit_ldarg (mb, 3);
5443 mono_mb_emit_byte (mb, CEE_ADD);
5444 mono_mb_emit_byte (mb, CEE_RET);
5446 /* not a proxy: return the address of the field directly */
5447 mono_mb_patch_branch (mb, pos0);
5449 mono_mb_emit_ldarg (mb, 0);
5450 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5451 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5452 mono_mb_emit_ldarg (mb, 3);
5453 mono_mb_emit_byte (mb, CEE_ADD);
5455 mono_mb_emit_byte (mb, CEE_RET);
5458 res = mono_mb_create_and_cache (cache, klass,
5459 mb, sig, sig->param_count + 16);
5466 * mono_marshal_get_stfld_remote_wrapper:
5467 * klass: The type of the field
5469 * This function generates a wrapper for calling mono_store_remote_field_new
5470 * with the appropriate signature.
5471 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
5472 * klass argument anymore.
5475 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
5477 MonoMethodSignature *sig, *csig;
5478 MonoMethodBuilder *mb;
5480 static MonoMethod *cached = NULL;
5482 mono_marshal_lock ();
5484 mono_marshal_unlock ();
5487 mono_marshal_unlock ();
5489 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
5491 mb->method->save_lmf = 1;
5493 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5494 sig->params [0] = &mono_defaults.object_class->byval_arg;
5495 sig->params [1] = &mono_defaults.int_class->byval_arg;
5496 sig->params [2] = &mono_defaults.int_class->byval_arg;
5497 sig->params [3] = &mono_defaults.object_class->byval_arg;
5498 sig->ret = &mono_defaults.void_class->byval_arg;
5501 mono_mb_emit_ldarg (mb, 0);
5502 mono_mb_emit_ldarg (mb, 1);
5503 mono_mb_emit_ldarg (mb, 2);
5504 mono_mb_emit_ldarg (mb, 3);
5506 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
5507 csig->params [0] = &mono_defaults.object_class->byval_arg;
5508 csig->params [1] = &mono_defaults.int_class->byval_arg;
5509 csig->params [2] = &mono_defaults.int_class->byval_arg;
5510 csig->params [3] = &mono_defaults.object_class->byval_arg;
5511 csig->ret = &mono_defaults.void_class->byval_arg;
5514 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
5515 emit_thread_interrupt_checkpoint (mb);
5517 mono_mb_emit_byte (mb, CEE_RET);
5520 mono_marshal_lock ();
5522 mono_marshal_unlock ();
5525 newm = mono_mb_create_method (mb, sig, 6);
5526 mono_marshal_lock ();
5531 mono_marshal_unlock ();
5533 mono_marshal_unlock ();
5534 mono_free_method (newm);
5543 * mono_marshal_get_stfld_wrapper:
5544 * @type: the type of the field
5546 * This method generates a function which can be use to store a field with type
5547 * @type. The generated function has the following signature:
5548 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
5551 mono_marshal_get_stfld_wrapper (MonoType *type)
5553 MonoMethodSignature *sig;
5554 MonoMethodBuilder *mb;
5561 type = mono_type_get_underlying_type (type);
5565 if (type->type == MONO_TYPE_SZARRAY) {
5566 klass = mono_defaults.array_class;
5567 } else if (type->type == MONO_TYPE_VALUETYPE) {
5568 klass = type->data.klass;
5569 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
5570 klass = mono_defaults.object_class;
5571 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
5572 klass = mono_defaults.int_class;
5573 } else if (t == MONO_TYPE_GENERICINST) {
5574 if (mono_type_generic_inst_is_valuetype (type))
5575 klass = mono_class_from_mono_type (type);
5577 klass = mono_defaults.object_class;
5579 klass = mono_class_from_mono_type (type);
5582 klass = mono_defaults.int_class;
5585 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
5586 if ((res = mono_marshal_find_in_cache (cache, klass)))
5589 /* we add the %p pointer value of klass because class names are not unique */
5590 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
5591 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
5594 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
5595 sig->params [0] = &mono_defaults.object_class->byval_arg;
5596 sig->params [1] = &mono_defaults.int_class->byval_arg;
5597 sig->params [2] = &mono_defaults.int_class->byval_arg;
5598 sig->params [3] = &mono_defaults.int_class->byval_arg;
5599 sig->params [4] = &klass->byval_arg;
5600 sig->ret = &mono_defaults.void_class->byval_arg;
5603 mono_mb_emit_ldarg (mb, 0);
5604 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
5606 mono_mb_emit_ldarg (mb, 0);
5607 mono_mb_emit_ldarg (mb, 1);
5608 mono_mb_emit_ldarg (mb, 2);
5609 mono_mb_emit_ldarg (mb, 4);
5610 if (klass->valuetype)
5611 mono_mb_emit_op (mb, CEE_BOX, klass);
5613 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
5615 mono_mb_emit_byte (mb, CEE_RET);
5617 mono_mb_patch_branch (mb, pos);
5619 mono_mb_emit_ldarg (mb, 0);
5620 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5621 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5622 mono_mb_emit_ldarg (mb, 3);
5623 mono_mb_emit_byte (mb, CEE_ADD);
5624 mono_mb_emit_ldarg (mb, 4);
5629 case MONO_TYPE_BOOLEAN:
5630 case MONO_TYPE_CHAR:
5639 case MONO_TYPE_ARRAY:
5640 case MONO_TYPE_SZARRAY:
5641 case MONO_TYPE_OBJECT:
5642 case MONO_TYPE_CLASS:
5643 case MONO_TYPE_STRING:
5647 case MONO_TYPE_FNPTR:
5648 mono_mb_emit_byte (mb, mono_type_to_stind (type));
5650 case MONO_TYPE_VALUETYPE:
5651 g_assert (!klass->enumtype);
5652 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5654 case MONO_TYPE_GENERICINST:
5656 case MONO_TYPE_MVAR:
5657 mono_mb_emit_op (mb, CEE_STOBJ, klass);
5660 g_warning ("type %x not implemented", type->type);
5661 g_assert_not_reached ();
5664 mono_mb_emit_byte (mb, CEE_RET);
5667 res = mono_mb_create_and_cache (cache, klass,
5668 mb, sig, sig->param_count + 16);
5673 #endif /* DISABLE_REMOTING */
5676 * generates IL code for the icall wrapper (the generated method
5677 * calls the unmanaged code in func)
5678 * The wrapper info for the wrapper is a WrapperInfo structure.
5681 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
5683 MonoMethodSignature *csig, *csig2;
5684 MonoMethodBuilder *mb;
5689 g_assert (sig->pinvoke);
5691 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5693 mb->method->save_lmf = 1;
5695 /* Add an explicit this argument */
5697 csig2 = signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
5699 csig2 = signature_dup (mono_defaults.corlib, sig);
5703 mono_mb_emit_byte (mb, CEE_LDARG_0);
5705 for (i = 0; i < sig->param_count; i++)
5706 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5708 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5709 mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
5710 mono_mb_emit_calli (mb, csig2);
5711 if (check_exceptions)
5712 emit_thread_interrupt_checkpoint (mb);
5713 mono_mb_emit_byte (mb, CEE_RET);
5716 csig = signature_dup (mono_defaults.corlib, sig);
5718 if (csig->call_convention == MONO_CALL_VARARG)
5719 csig->call_convention = 0;
5721 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
5724 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ICALL_WRAPPER);
5725 info->d.icall.func = (gpointer)func;
5726 mono_marshal_set_wrapper_info (res, info);
5732 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
5733 MonoMarshalSpec *spec,
5734 int conv_arg, MonoType **conv_arg_type,
5735 MarshalAction action)
5738 if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
5739 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5744 static MonoClass *ICustomMarshaler = NULL;
5745 static MonoMethod *cleanup_native, *cleanup_managed;
5746 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
5747 MonoMethod *get_instance = NULL;
5748 MonoMethodBuilder *mb = m->mb;
5749 char *exception_msg = NULL;
5753 if (!ICustomMarshaler) {
5754 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5755 if (!ICustomMarshaler) {
5756 exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
5757 goto handle_exception;
5760 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5761 g_assert (cleanup_native);
5762 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5763 g_assert (cleanup_managed);
5764 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5765 g_assert (marshal_managed_to_native);
5766 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5767 g_assert (marshal_native_to_managed);
5770 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, m->image);
5771 g_assert (mtype != NULL);
5772 mklass = mono_class_from_mono_type (mtype);
5773 g_assert (mklass != NULL);
5775 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5776 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5778 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5780 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5781 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5782 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5783 (get_sig->params [0]->type != MONO_TYPE_STRING))
5784 get_instance = NULL;
5788 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);
5791 /* Throw exception and emit compensation code if neccesary */
5792 if (exception_msg) {
5794 case MARSHAL_ACTION_CONV_IN:
5795 case MARSHAL_ACTION_CONV_RESULT:
5796 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5797 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5798 mono_mb_emit_byte (mb, CEE_POP);
5800 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5801 g_free (exception_msg);
5804 case MARSHAL_ACTION_PUSH:
5805 mono_mb_emit_byte (mb, CEE_LDNULL);
5813 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5814 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5817 case MARSHAL_ACTION_CONV_IN:
5819 case MONO_TYPE_CLASS:
5820 case MONO_TYPE_OBJECT:
5821 case MONO_TYPE_STRING:
5822 case MONO_TYPE_ARRAY:
5823 case MONO_TYPE_SZARRAY:
5824 case MONO_TYPE_VALUETYPE:
5828 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5829 g_assert_not_reached ();
5833 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5835 mono_mb_emit_byte (mb, CEE_LDNULL);
5836 mono_mb_emit_stloc (mb, conv_arg);
5838 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5841 /* Minic MS.NET behavior */
5842 if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
5845 /* Check for null */
5846 mono_mb_emit_ldarg (mb, argnum);
5848 mono_mb_emit_byte (mb, CEE_LDIND_I);
5849 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5851 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5853 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5855 mono_mb_emit_ldarg (mb, argnum);
5857 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5859 if (t->type == MONO_TYPE_VALUETYPE) {
5861 * Since we can't determine the type of the argument, we
5862 * will assume the unmanaged function takes a pointer.
5864 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5866 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5869 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5870 mono_mb_emit_stloc (mb, conv_arg);
5872 mono_mb_patch_branch (mb, pos2);
5875 case MARSHAL_ACTION_CONV_OUT:
5876 /* Check for null */
5877 mono_mb_emit_ldloc (mb, conv_arg);
5878 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5881 mono_mb_emit_ldarg (mb, argnum);
5883 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5885 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5887 mono_mb_emit_ldloc (mb, conv_arg);
5888 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5889 mono_mb_emit_byte (mb, CEE_STIND_REF);
5890 } else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5891 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5893 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5895 mono_mb_emit_ldloc (mb, conv_arg);
5896 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5898 /* We have nowhere to store the result */
5899 mono_mb_emit_byte (mb, CEE_POP);
5902 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5904 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5906 mono_mb_emit_ldloc (mb, conv_arg);
5908 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5910 mono_mb_patch_branch (mb, pos2);
5913 case MARSHAL_ACTION_PUSH:
5915 mono_mb_emit_ldloc_addr (mb, conv_arg);
5917 mono_mb_emit_ldloc (mb, conv_arg);
5920 case MARSHAL_ACTION_CONV_RESULT:
5921 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5923 mono_mb_emit_stloc (mb, 3);
5925 mono_mb_emit_ldloc (mb, 3);
5926 mono_mb_emit_stloc (mb, loc1);
5928 /* Check for null */
5929 mono_mb_emit_ldloc (mb, 3);
5930 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5932 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5934 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5935 mono_mb_emit_byte (mb, CEE_DUP);
5937 mono_mb_emit_ldloc (mb, 3);
5938 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5939 mono_mb_emit_stloc (mb, 3);
5941 mono_mb_emit_ldloc (mb, loc1);
5942 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5944 mono_mb_patch_branch (mb, pos2);
5947 case MARSHAL_ACTION_MANAGED_CONV_IN:
5948 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5950 mono_mb_emit_byte (mb, CEE_LDNULL);
5951 mono_mb_emit_stloc (mb, conv_arg);
5953 if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
5956 /* Check for null */
5957 mono_mb_emit_ldarg (mb, argnum);
5959 mono_mb_emit_byte (mb, CEE_LDIND_I);
5960 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5962 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5963 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5965 mono_mb_emit_ldarg (mb, argnum);
5967 mono_mb_emit_byte (mb, CEE_LDIND_I);
5969 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5970 mono_mb_emit_stloc (mb, conv_arg);
5972 mono_mb_patch_branch (mb, pos2);
5975 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5976 g_assert (!t->byref);
5978 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5980 mono_mb_emit_stloc (mb, 3);
5982 mono_mb_emit_ldloc (mb, 3);
5983 mono_mb_emit_stloc (mb, loc1);
5985 /* Check for null */
5986 mono_mb_emit_ldloc (mb, 3);
5987 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5989 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5990 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5991 mono_mb_emit_byte (mb, CEE_DUP);
5993 mono_mb_emit_ldloc (mb, 3);
5994 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5995 mono_mb_emit_stloc (mb, 3);
5997 mono_mb_emit_ldloc (mb, loc1);
5998 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6000 mono_mb_patch_branch (mb, pos2);
6003 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6005 /* Check for null */
6006 mono_mb_emit_ldloc (mb, conv_arg);
6007 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6010 mono_mb_emit_ldarg (mb, argnum);
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, marshal_managed_to_native);
6018 mono_mb_emit_byte (mb, CEE_STIND_I);
6021 /* Call CleanUpManagedData */
6022 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
6024 mono_mb_emit_op (mb, CEE_CALL, get_instance);
6026 mono_mb_emit_ldloc (mb, conv_arg);
6027 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
6029 mono_mb_patch_branch (mb, pos2);
6033 g_assert_not_reached ();
6041 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
6042 MonoMarshalSpec *spec,
6043 int conv_arg, MonoType **conv_arg_type,
6044 MarshalAction action)
6047 MonoMethodBuilder *mb = m->mb;
6050 case MARSHAL_ACTION_CONV_IN: {
6051 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6053 g_assert (t->type == MONO_TYPE_OBJECT);
6054 g_assert (!t->byref);
6056 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6057 mono_mb_emit_ldarg (mb, argnum);
6058 mono_mb_emit_icon (mb, encoding);
6059 mono_mb_emit_icon (mb, t->attrs);
6060 mono_mb_emit_icall (mb, mono_marshal_asany);
6061 mono_mb_emit_stloc (mb, conv_arg);
6065 case MARSHAL_ACTION_PUSH:
6066 mono_mb_emit_ldloc (mb, conv_arg);
6069 case MARSHAL_ACTION_CONV_OUT: {
6070 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
6072 mono_mb_emit_ldarg (mb, argnum);
6073 mono_mb_emit_ldloc (mb, conv_arg);
6074 mono_mb_emit_icon (mb, encoding);
6075 mono_mb_emit_icon (mb, t->attrs);
6076 mono_mb_emit_icall (mb, mono_marshal_free_asany);
6081 g_assert_not_reached ();
6088 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
6089 MonoMarshalSpec *spec,
6090 int conv_arg, MonoType **conv_arg_type,
6091 MarshalAction action)
6094 MonoMethodBuilder *mb = m->mb;
6095 MonoClass *klass, *date_time_class;
6098 klass = mono_class_from_mono_type (t);
6100 date_time_class = mono_class_from_name_cached (mono_defaults.corlib, "System", "DateTime");
6103 case MARSHAL_ACTION_CONV_IN:
6104 if (klass == date_time_class) {
6105 /* Convert it to an OLE DATE type */
6106 static MonoMethod *to_oadate;
6109 to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
6110 g_assert (to_oadate);
6112 conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
6115 mono_mb_emit_ldarg (mb, argnum);
6116 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6119 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6121 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
6123 mono_mb_emit_ldarg_addr (mb, argnum);
6124 mono_mb_emit_managed_call (mb, to_oadate, NULL);
6125 mono_mb_emit_stloc (mb, conv_arg);
6129 mono_mb_patch_branch (mb, pos);
6133 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6134 klass->blittable || klass->enumtype)
6137 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6139 /* store the address of the source into local variable 0 */
6141 mono_mb_emit_ldarg (mb, argnum);
6143 mono_mb_emit_ldarg_addr (mb, argnum);
6145 mono_mb_emit_stloc (mb, 0);
6147 /* allocate space for the native struct and
6148 * store the address into local variable 1 (dest) */
6149 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6150 mono_mb_emit_byte (mb, CEE_PREFIX1);
6151 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6152 mono_mb_emit_stloc (mb, conv_arg);
6155 mono_mb_emit_ldloc (mb, 0);
6156 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6159 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
6161 mono_mb_emit_ldloc (mb, conv_arg);
6162 mono_mb_emit_stloc (mb, 1);
6164 /* emit valuetype conversion code */
6165 emit_struct_conv (mb, klass, FALSE);
6169 mono_mb_patch_branch (mb, pos);
6172 case MARSHAL_ACTION_PUSH:
6173 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
6175 g_assert (!t->byref);
6177 /* Have to change the signature since the vtype is passed byref */
6178 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
6180 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6181 klass->blittable || klass->enumtype)
6182 mono_mb_emit_ldarg_addr (mb, argnum);
6184 mono_mb_emit_ldloc (mb, conv_arg);
6188 if (klass == date_time_class) {
6190 mono_mb_emit_ldloc_addr (mb, conv_arg);
6192 mono_mb_emit_ldloc (mb, conv_arg);
6196 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6197 klass->blittable || klass->enumtype) {
6198 mono_mb_emit_ldarg (mb, argnum);
6201 mono_mb_emit_ldloc (mb, conv_arg);
6203 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6204 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
6208 case MARSHAL_ACTION_CONV_OUT:
6209 if (klass == date_time_class) {
6210 /* Convert from an OLE DATE type */
6211 static MonoMethod *from_oadate;
6216 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6218 from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
6219 g_assert (from_oadate);
6221 mono_mb_emit_ldarg (mb, argnum);
6222 mono_mb_emit_ldloc (mb, conv_arg);
6223 mono_mb_emit_managed_call (mb, from_oadate, NULL);
6224 mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
6229 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6230 klass->blittable || klass->enumtype)
6234 /* dst = argument */
6235 mono_mb_emit_ldarg (mb, argnum);
6236 mono_mb_emit_stloc (mb, 1);
6238 mono_mb_emit_ldloc (mb, 1);
6239 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6241 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
6242 /* src = tmp_locals [i] */
6243 mono_mb_emit_ldloc (mb, conv_arg);
6244 mono_mb_emit_stloc (mb, 0);
6246 /* emit valuetype conversion code */
6247 emit_struct_conv (mb, klass, TRUE);
6251 emit_struct_free (mb, klass, conv_arg);
6254 mono_mb_patch_branch (mb, pos);
6257 case MARSHAL_ACTION_CONV_RESULT:
6258 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6260 mono_mb_emit_stloc (mb, 3);
6264 /* load pointer to returned value type */
6265 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6266 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6267 /* store the address of the source into local variable 0 */
6268 mono_mb_emit_stloc (mb, 0);
6270 mono_mb_emit_ldloc_addr (mb, 3);
6271 mono_mb_emit_stloc (mb, 1);
6273 /* emit valuetype conversion code */
6274 emit_struct_conv (mb, klass, TRUE);
6277 case MARSHAL_ACTION_MANAGED_CONV_IN:
6278 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6279 klass->blittable || klass->enumtype) {
6284 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6286 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6290 mono_mb_emit_ldarg (mb, argnum);
6292 mono_mb_emit_ldarg_addr (mb, argnum);
6293 mono_mb_emit_stloc (mb, 0);
6296 mono_mb_emit_ldloc (mb, 0);
6297 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6300 mono_mb_emit_ldloc_addr (mb, conv_arg);
6301 mono_mb_emit_stloc (mb, 1);
6303 /* emit valuetype conversion code */
6304 emit_struct_conv (mb, klass, TRUE);
6307 mono_mb_patch_branch (mb, pos);
6310 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6311 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6312 klass->blittable || klass->enumtype) {
6316 /* Check for null */
6317 mono_mb_emit_ldarg (mb, argnum);
6318 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6321 mono_mb_emit_ldloc_addr (mb, conv_arg);
6322 mono_mb_emit_stloc (mb, 0);
6325 mono_mb_emit_ldarg (mb, argnum);
6326 mono_mb_emit_stloc (mb, 1);
6328 /* emit valuetype conversion code */
6329 emit_struct_conv (mb, klass, FALSE);
6331 mono_mb_patch_branch (mb, pos2);
6334 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6335 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6336 klass->blittable || klass->enumtype) {
6337 mono_mb_emit_stloc (mb, 3);
6342 /* load pointer to returned value type */
6343 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6344 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
6346 /* store the address of the source into local variable 0 */
6347 mono_mb_emit_stloc (mb, 0);
6348 /* allocate space for the native struct and
6349 * store the address into dst_ptr */
6350 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6351 m->retobj_class = klass;
6352 g_assert (m->retobj_var);
6353 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6354 mono_mb_emit_byte (mb, CEE_CONV_I);
6355 mono_mb_emit_icall (mb, mono_marshal_alloc);
6356 mono_mb_emit_stloc (mb, 1);
6357 mono_mb_emit_ldloc (mb, 1);
6358 mono_mb_emit_stloc (mb, m->retobj_var);
6360 /* emit valuetype conversion code */
6361 emit_struct_conv (mb, klass, FALSE);
6365 g_assert_not_reached ();
6372 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
6373 MonoMarshalSpec *spec,
6374 int conv_arg, MonoType **conv_arg_type,
6375 MarshalAction action)
6379 case MARSHAL_ACTION_CONV_IN:
6380 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6382 case MARSHAL_ACTION_MANAGED_CONV_IN:
6383 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6387 MonoMethodBuilder *mb = m->mb;
6388 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6389 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6393 case MARSHAL_ACTION_CONV_IN:
6394 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6395 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6398 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6401 mono_mb_emit_ldarg (mb, argnum);
6402 mono_mb_emit_byte (mb, CEE_LDIND_I);
6404 mono_mb_emit_ldarg (mb, argnum);
6408 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6409 mono_mb_emit_exception_marshal_directive (mb, msg);
6411 mono_mb_emit_icall (mb, conv_to_icall (conv));
6413 mono_mb_emit_stloc (mb, conv_arg);
6417 case MARSHAL_ACTION_CONV_OUT:
6418 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6420 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6421 mono_mb_emit_exception_marshal_directive (mb, msg);
6425 if (encoding == MONO_NATIVE_VBBYREFSTR) {
6426 static MonoMethod *m;
6429 m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
6434 char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
6435 mono_mb_emit_exception_marshal_directive (mb, msg);
6440 * Have to allocate a new string with the same length as the original, and
6441 * copy the contents of the buffer pointed to by CONV_ARG into it.
6443 g_assert (t->byref);
6444 mono_mb_emit_ldarg (mb, argnum);
6445 mono_mb_emit_ldloc (mb, conv_arg);
6446 mono_mb_emit_ldarg (mb, argnum);
6447 mono_mb_emit_byte (mb, CEE_LDIND_I);
6448 mono_mb_emit_managed_call (mb, m, NULL);
6449 mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
6450 mono_mb_emit_byte (mb, CEE_STIND_REF);
6451 } else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
6452 mono_mb_emit_ldarg (mb, argnum);
6453 mono_mb_emit_ldloc (mb, conv_arg);
6454 mono_mb_emit_icall (mb, conv_to_icall (conv));
6455 mono_mb_emit_byte (mb, CEE_STIND_REF);
6460 mono_mb_emit_ldloc (mb, conv_arg);
6461 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6462 mono_mb_emit_icall (mb, mono_free_bstr);
6464 mono_mb_emit_icall (mb, mono_marshal_free);
6468 case MARSHAL_ACTION_PUSH:
6469 if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
6470 mono_mb_emit_ldloc_addr (mb, conv_arg);
6472 mono_mb_emit_ldloc (mb, conv_arg);
6475 case MARSHAL_ACTION_CONV_RESULT:
6476 mono_mb_emit_stloc (mb, 0);
6478 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6480 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6481 mono_mb_emit_exception_marshal_directive (mb, msg);
6485 mono_mb_emit_ldloc (mb, 0);
6486 mono_mb_emit_icall (mb, conv_to_icall (conv));
6487 mono_mb_emit_stloc (mb, 3);
6489 /* free the string */
6490 mono_mb_emit_ldloc (mb, 0);
6491 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
6492 mono_mb_emit_icall (mb, mono_free_bstr);
6494 mono_mb_emit_icall (mb, mono_marshal_free);
6497 case MARSHAL_ACTION_MANAGED_CONV_IN:
6498 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6500 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6503 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6507 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6509 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
6510 mono_mb_emit_exception_marshal_directive (mb, msg);
6514 mono_mb_emit_ldarg (mb, argnum);
6516 mono_mb_emit_byte (mb, CEE_LDIND_I);
6517 mono_mb_emit_icall (mb, conv_to_icall (conv));
6518 mono_mb_emit_stloc (mb, conv_arg);
6521 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6524 mono_mb_emit_ldarg (mb, argnum);
6525 mono_mb_emit_ldloc (mb, conv_arg);
6526 mono_mb_emit_icall (mb, conv_to_icall (conv));
6527 mono_mb_emit_byte (mb, CEE_STIND_I);
6532 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6533 if (conv_to_icall (conv) == mono_marshal_string_to_utf16)
6534 /* We need to make a copy so the caller is able to free it */
6535 mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
6537 mono_mb_emit_icall (mb, conv_to_icall (conv));
6538 mono_mb_emit_stloc (mb, 3);
6542 g_assert_not_reached ();
6550 emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
6551 MonoMarshalSpec *spec, int conv_arg,
6552 MonoType **conv_arg_type, MarshalAction action)
6555 if (action == MARSHAL_ACTION_CONV_IN)
6556 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6558 MonoMethodBuilder *mb = m->mb;
6561 case MARSHAL_ACTION_CONV_IN: {
6562 MonoType *intptr_type;
6563 int dar_release_slot, pos;
6565 intptr_type = &mono_defaults.int_class->byval_arg;
6566 conv_arg = mono_mb_add_local (mb, intptr_type);
6567 *conv_arg_type = intptr_type;
6569 if (!sh_dangerous_add_ref)
6570 init_safe_handle ();
6572 mono_mb_emit_ldarg (mb, argnum);
6573 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6574 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6576 mono_mb_patch_branch (mb, pos);
6579 * My tests in show that ref SafeHandles are not really
6580 * passed as ref objects. Instead a NULL is passed as the
6583 mono_mb_emit_icon (mb, 0);
6584 mono_mb_emit_stloc (mb, conv_arg);
6588 /* Create local to hold the ref parameter to DangerousAddRef */
6589 dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6591 /* set release = false; */
6592 mono_mb_emit_icon (mb, 0);
6593 mono_mb_emit_stloc (mb, dar_release_slot);
6595 /* safehandle.DangerousAddRef (ref release) */
6596 mono_mb_emit_ldarg (mb, argnum);
6597 mono_mb_emit_ldloc_addr (mb, dar_release_slot);
6598 mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
6600 /* Pull the handle field from SafeHandle */
6601 mono_mb_emit_ldarg (mb, argnum);
6602 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6603 mono_mb_emit_byte (mb, CEE_LDIND_I);
6604 mono_mb_emit_stloc (mb, conv_arg);
6609 case MARSHAL_ACTION_PUSH:
6611 mono_mb_emit_ldloc_addr (mb, conv_arg);
6613 mono_mb_emit_ldloc (mb, conv_arg);
6616 case MARSHAL_ACTION_CONV_OUT: {
6617 /* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
6618 int dar_release_slot = conv_arg + 1;
6621 if (!sh_dangerous_release)
6622 init_safe_handle ();
6628 * My tests indicate that ref SafeHandles parameters are not actually
6629 * passed by ref, but instead a new Handle is created regardless of
6630 * whether a change happens in the unmanaged side.
6632 * Also, the Handle is created before calling into unmanaged code,
6633 * but we do not support that mechanism (getting to the original
6634 * handle) and it makes no difference where we create this
6636 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6638 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6641 /* refval = new SafeHandleDerived ()*/
6642 mono_mb_emit_ldarg (mb, argnum);
6643 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6644 mono_mb_emit_byte (mb, CEE_STIND_REF);
6646 /* refval.handle = returned_handle */
6647 mono_mb_emit_ldarg (mb, argnum);
6648 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6649 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6650 mono_mb_emit_ldloc (mb, conv_arg);
6651 mono_mb_emit_byte (mb, CEE_STIND_I);
6653 mono_mb_emit_ldloc (mb, dar_release_slot);
6654 label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
6655 mono_mb_emit_ldarg (mb, argnum);
6656 mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
6657 mono_mb_patch_branch (mb, label_next);
6662 case MARSHAL_ACTION_CONV_RESULT: {
6663 MonoMethod *ctor = NULL;
6664 int intptr_handle_slot;
6666 if (t->data.klass->flags & TYPE_ATTRIBUTE_ABSTRACT){
6667 mono_mb_emit_byte (mb, CEE_POP);
6668 mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
6672 ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
6674 mono_mb_emit_byte (mb, CEE_POP);
6675 mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
6678 /* Store the IntPtr results into a local */
6679 intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6680 mono_mb_emit_stloc (mb, intptr_handle_slot);
6682 /* Create return value */
6683 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
6684 mono_mb_emit_stloc (mb, 3);
6686 /* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
6687 mono_mb_emit_ldloc (mb, 3);
6688 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoSafeHandle, handle));
6689 mono_mb_emit_ldloc (mb, intptr_handle_slot);
6690 mono_mb_emit_byte (mb, CEE_STIND_I);
6694 case MARSHAL_ACTION_MANAGED_CONV_IN:
6695 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6698 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6699 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6702 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6703 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6706 printf ("Unhandled case for MarshalAction: %d\n", action);
6714 emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
6715 MonoMarshalSpec *spec, int conv_arg,
6716 MonoType **conv_arg_type, MarshalAction action)
6719 if (action == MARSHAL_ACTION_CONV_IN)
6720 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6722 MonoMethodBuilder *mb = m->mb;
6725 case MARSHAL_ACTION_CONV_IN: {
6726 MonoType *intptr_type;
6728 intptr_type = &mono_defaults.int_class->byval_arg;
6729 conv_arg = mono_mb_add_local (mb, intptr_type);
6730 *conv_arg_type = intptr_type;
6733 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6734 mono_mb_emit_exception_marshal_directive (mb, msg);
6737 mono_mb_emit_ldarg_addr (mb, argnum);
6738 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoHandleRef, handle));
6739 mono_mb_emit_byte (mb, CEE_ADD);
6740 mono_mb_emit_byte (mb, CEE_LDIND_I);
6741 mono_mb_emit_stloc (mb, conv_arg);
6745 case MARSHAL_ACTION_PUSH:
6746 mono_mb_emit_ldloc (mb, conv_arg);
6749 case MARSHAL_ACTION_CONV_OUT: {
6750 /* no resource release required */
6754 case MARSHAL_ACTION_CONV_RESULT: {
6755 char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
6756 mono_mb_emit_exception_marshal_directive (mb, msg);
6760 case MARSHAL_ACTION_MANAGED_CONV_IN:
6761 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
6764 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6765 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
6768 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6769 fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
6772 fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
6780 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
6781 MonoMarshalSpec *spec,
6782 int conv_arg, MonoType **conv_arg_type,
6783 MarshalAction action)
6786 if (action == MARSHAL_ACTION_CONV_IN)
6787 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6789 MonoMethodBuilder *mb = m->mb;
6790 MonoClass *klass = mono_class_from_mono_type (t);
6794 case MARSHAL_ACTION_CONV_IN:
6795 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6796 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6798 m->orig_conv_args [argnum] = 0;
6800 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
6801 char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
6802 mono_mb_emit_exception_marshal_directive (mb, msg);
6806 if (klass->delegate) {
6808 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6809 char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
6810 mono_mb_emit_exception_marshal_directive (mb, msg);
6812 mono_mb_emit_byte (mb, CEE_LDNULL);
6813 mono_mb_emit_stloc (mb, conv_arg);
6815 mono_mb_emit_ldarg (mb, argnum);
6816 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6817 mono_mb_emit_stloc (mb, conv_arg);
6819 } else if (klass == mono_defaults.stringbuilder_class) {
6820 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6821 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6825 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
6826 char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
6827 mono_mb_emit_exception_marshal_directive (mb, msg);
6833 if (t->byref && !t->attrs & PARAM_ATTRIBUTE_IN && t->attrs & PARAM_ATTRIBUTE_OUT)
6837 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
6838 mono_mb_emit_exception_marshal_directive (mb, msg);
6842 mono_mb_emit_ldarg (mb, argnum);
6844 mono_mb_emit_byte (mb, CEE_LDIND_I);
6846 mono_mb_emit_icall (mb, conv_to_icall (conv));
6847 mono_mb_emit_stloc (mb, conv_arg);
6848 } else if (klass->blittable) {
6849 mono_mb_emit_byte (mb, CEE_LDNULL);
6850 mono_mb_emit_stloc (mb, conv_arg);
6852 mono_mb_emit_ldarg (mb, argnum);
6853 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6855 mono_mb_emit_ldarg (mb, argnum);
6856 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6857 mono_mb_emit_stloc (mb, conv_arg);
6859 mono_mb_patch_branch (mb, pos);
6862 mono_mb_emit_byte (mb, CEE_LDNULL);
6863 mono_mb_emit_stloc (mb, conv_arg);
6866 /* we dont need any conversions for out parameters */
6867 if (t->attrs & PARAM_ATTRIBUTE_OUT)
6870 mono_mb_emit_ldarg (mb, argnum);
6871 mono_mb_emit_byte (mb, CEE_LDIND_I);
6874 mono_mb_emit_ldarg (mb, argnum);
6875 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6876 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6879 /* store the address of the source into local variable 0 */
6880 mono_mb_emit_stloc (mb, 0);
6881 mono_mb_emit_ldloc (mb, 0);
6882 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6884 /* allocate space for the native struct and store the address */
6885 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6886 mono_mb_emit_byte (mb, CEE_PREFIX1);
6887 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6888 mono_mb_emit_stloc (mb, conv_arg);
6891 /* Need to store the original buffer so we can free it later */
6892 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6893 mono_mb_emit_ldloc (mb, conv_arg);
6894 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
6897 /* set the src_ptr */
6898 mono_mb_emit_ldloc (mb, 0);
6899 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6900 mono_mb_emit_stloc (mb, 0);
6903 mono_mb_emit_ldloc (mb, conv_arg);
6904 mono_mb_emit_stloc (mb, 1);
6906 /* emit valuetype conversion code */
6907 emit_struct_conv (mb, klass, FALSE);
6909 mono_mb_patch_branch (mb, pos);
6913 case MARSHAL_ACTION_CONV_OUT:
6914 if (klass == mono_defaults.stringbuilder_class) {
6916 MonoMarshalNative encoding;
6917 MonoMarshalConv conv;
6919 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6920 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6922 g_assert (encoding != -1);
6925 //g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
6929 mono_mb_emit_ldarg (mb, argnum);
6930 mono_mb_emit_ldloc (mb, conv_arg);
6933 case MONO_NATIVE_LPWSTR:
6934 mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
6936 case MONO_NATIVE_LPSTR:
6937 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
6940 g_assert_not_reached ();
6943 mono_mb_emit_byte (mb, CEE_STIND_REF);
6945 mono_mb_emit_ldarg (mb, argnum);
6946 mono_mb_emit_ldloc (mb, conv_arg);
6948 mono_mb_emit_icall (mb, conv_to_icall (conv));
6952 mono_mb_emit_ldloc (mb, conv_arg);
6953 mono_mb_emit_icall (mb, mono_marshal_free);
6958 if (klass->delegate) {
6960 mono_mb_emit_ldarg (mb, argnum);
6961 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6962 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6963 mono_mb_emit_ldloc (mb, conv_arg);
6964 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6965 mono_mb_emit_byte (mb, CEE_STIND_REF);
6970 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6971 /* allocate a new object */
6972 mono_mb_emit_ldarg (mb, argnum);
6973 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6974 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6975 mono_mb_emit_byte (mb, CEE_STIND_REF);
6978 /* dst = *argument */
6979 mono_mb_emit_ldarg (mb, argnum);
6982 mono_mb_emit_byte (mb, CEE_LDIND_I);
6984 mono_mb_emit_stloc (mb, 1);
6986 mono_mb_emit_ldloc (mb, 1);
6987 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6989 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
6990 mono_mb_emit_ldloc (mb, 1);
6991 mono_mb_emit_icon (mb, sizeof (MonoObject));
6992 mono_mb_emit_byte (mb, CEE_ADD);
6993 mono_mb_emit_stloc (mb, 1);
6995 /* src = tmp_locals [i] */
6996 mono_mb_emit_ldloc (mb, conv_arg);
6997 mono_mb_emit_stloc (mb, 0);
6999 /* emit valuetype conversion code */
7000 emit_struct_conv (mb, klass, TRUE);
7002 /* Free the structure returned by the native code */
7003 emit_struct_free (mb, klass, conv_arg);
7005 if (m->orig_conv_args [argnum]) {
7007 * If the native function changed the pointer, then free
7008 * the original structure plus the new pointer.
7010 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
7011 mono_mb_emit_ldloc (mb, conv_arg);
7012 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
7014 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
7015 g_assert (m->orig_conv_args [argnum]);
7017 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
7020 mono_mb_emit_ldloc (mb, conv_arg);
7021 mono_mb_emit_icall (mb, mono_marshal_free);
7023 mono_mb_patch_branch (mb, pos2);
7027 /* Free the original structure passed to native code */
7028 emit_struct_free (mb, klass, conv_arg);
7030 mono_mb_patch_branch (mb, pos);
7033 case MARSHAL_ACTION_PUSH:
7035 mono_mb_emit_ldloc_addr (mb, conv_arg);
7037 mono_mb_emit_ldloc (mb, conv_arg);
7040 case MARSHAL_ACTION_CONV_RESULT:
7041 if (klass->delegate) {
7042 g_assert (!t->byref);
7043 mono_mb_emit_stloc (mb, 0);
7044 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7045 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7046 mono_mb_emit_ldloc (mb, 0);
7047 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7048 mono_mb_emit_stloc (mb, 3);
7051 mono_mb_emit_stloc (mb, 0);
7053 /* Make a copy since emit_conv modifies local 0 */
7054 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7055 mono_mb_emit_ldloc (mb, 0);
7056 mono_mb_emit_stloc (mb, loc);
7058 mono_mb_emit_byte (mb, CEE_LDNULL);
7059 mono_mb_emit_stloc (mb, 3);
7061 mono_mb_emit_ldloc (mb, 0);
7062 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7064 /* allocate result object */
7066 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7067 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7068 mono_mb_emit_stloc (mb, 3);
7072 mono_mb_emit_ldloc (mb, 3);
7073 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7074 mono_mb_emit_stloc (mb, 1);
7076 /* emit conversion code */
7077 emit_struct_conv (mb, klass, TRUE);
7079 emit_struct_free (mb, klass, loc);
7081 /* Free the pointer allocated by unmanaged code */
7082 mono_mb_emit_ldloc (mb, loc);
7083 mono_mb_emit_icall (mb, mono_marshal_free);
7084 mono_mb_patch_branch (mb, pos);
7088 case MARSHAL_ACTION_MANAGED_CONV_IN:
7089 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
7091 if (klass->delegate) {
7092 g_assert (!t->byref);
7093 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7094 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
7095 mono_mb_emit_ldarg (mb, argnum);
7096 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
7097 mono_mb_emit_stloc (mb, conv_arg);
7101 if (klass == mono_defaults.stringbuilder_class) {
7102 MonoMarshalNative encoding;
7104 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7107 g_assert (encoding == MONO_NATIVE_LPSTR);
7109 g_assert (!t->byref);
7110 g_assert (encoding != -1);
7112 mono_mb_emit_ldarg (mb, argnum);
7113 mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
7114 mono_mb_emit_stloc (mb, conv_arg);
7118 /* The class can not have an automatic layout */
7119 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7120 mono_mb_emit_auto_layout_exception (mb, klass);
7124 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
7125 mono_mb_emit_byte (mb, CEE_LDNULL);
7126 mono_mb_emit_stloc (mb, conv_arg);
7131 mono_mb_emit_ldarg (mb, argnum);
7135 /* Check for NULL and raise an exception */
7136 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7138 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
7140 mono_mb_patch_branch (mb, pos2);
7141 mono_mb_emit_ldarg (mb, argnum);
7142 mono_mb_emit_byte (mb, CEE_LDIND_I);
7145 mono_mb_emit_stloc (mb, 0);
7147 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7148 mono_mb_emit_stloc (mb, conv_arg);
7150 mono_mb_emit_ldloc (mb, 0);
7151 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
7153 /* Create and set dst */
7154 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7155 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
7156 mono_mb_emit_stloc (mb, conv_arg);
7157 mono_mb_emit_ldloc (mb, conv_arg);
7158 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7159 mono_mb_emit_stloc (mb, 1);
7161 /* emit valuetype conversion code */
7162 emit_struct_conv (mb, klass, TRUE);
7164 mono_mb_patch_branch (mb, pos);
7167 case MARSHAL_ACTION_MANAGED_CONV_OUT:
7169 /* Check for null */
7170 mono_mb_emit_ldloc (mb, conv_arg);
7171 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7172 mono_mb_emit_ldarg (mb, argnum);
7173 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7174 mono_mb_emit_byte (mb, CEE_STIND_REF);
7175 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7177 mono_mb_patch_branch (mb, pos);
7180 mono_mb_emit_ldloc (mb, conv_arg);
7181 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7182 mono_mb_emit_stloc (mb, 0);
7184 /* Allocate and set dest */
7185 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7186 mono_mb_emit_byte (mb, CEE_CONV_I);
7187 mono_mb_emit_icall (mb, mono_marshal_alloc);
7188 mono_mb_emit_stloc (mb, 1);
7190 /* Update argument pointer */
7191 mono_mb_emit_ldarg (mb, argnum);
7192 mono_mb_emit_ldloc (mb, 1);
7193 mono_mb_emit_byte (mb, CEE_STIND_I);
7195 /* emit valuetype conversion code */
7196 emit_struct_conv (mb, klass, FALSE);
7198 mono_mb_patch_branch (mb, pos2);
7200 /* byval [Out] marshalling */
7202 /* FIXME: Handle null */
7205 mono_mb_emit_ldloc (mb, conv_arg);
7206 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7207 mono_mb_emit_stloc (mb, 0);
7210 mono_mb_emit_ldarg (mb, argnum);
7211 mono_mb_emit_stloc (mb, 1);
7213 /* emit valuetype conversion code */
7214 emit_struct_conv (mb, klass, FALSE);
7218 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
7219 if (klass->delegate) {
7220 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
7221 mono_mb_emit_stloc (mb, 3);
7225 /* The class can not have an automatic layout */
7226 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7227 mono_mb_emit_auto_layout_exception (mb, klass);
7231 mono_mb_emit_stloc (mb, 0);
7232 /* Check for null */
7233 mono_mb_emit_ldloc (mb, 0);
7234 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
7235 mono_mb_emit_byte (mb, CEE_LDNULL);
7236 mono_mb_emit_stloc (mb, 3);
7237 pos2 = mono_mb_emit_branch (mb, CEE_BR);
7239 mono_mb_patch_branch (mb, pos);
7242 mono_mb_emit_ldloc (mb, 0);
7243 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7244 mono_mb_emit_stloc (mb, 0);
7246 /* Allocate and set dest */
7247 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
7248 mono_mb_emit_byte (mb, CEE_CONV_I);
7249 mono_mb_emit_icall (mb, mono_marshal_alloc);
7250 mono_mb_emit_byte (mb, CEE_DUP);
7251 mono_mb_emit_stloc (mb, 1);
7252 mono_mb_emit_stloc (mb, 3);
7254 emit_struct_conv (mb, klass, FALSE);
7256 mono_mb_patch_branch (mb, pos2);
7260 g_assert_not_reached ();
7271 emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
7272 MonoMarshalSpec *spec,
7273 int conv_arg, MonoType **conv_arg_type,
7274 MarshalAction action)
7276 MonoMethodBuilder *mb = m->mb;
7277 static MonoMethod *get_object_for_native_variant = NULL;
7278 static MonoMethod *get_native_variant_for_object = NULL;
7280 mono_init_com_types ();
7282 if (!get_object_for_native_variant)
7283 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
7284 g_assert (get_object_for_native_variant);
7286 if (!get_native_variant_for_object)
7287 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
7288 g_assert (get_native_variant_for_object);
7291 case MARSHAL_ACTION_CONV_IN: {
7292 conv_arg = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
7295 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7297 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7299 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7302 mono_mb_emit_ldarg (mb, argnum);
7304 mono_mb_emit_byte(mb, CEE_LDIND_REF);
7305 mono_mb_emit_ldloc_addr (mb, conv_arg);
7306 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7310 case MARSHAL_ACTION_CONV_OUT: {
7311 static MonoMethod *variant_clear = NULL;
7314 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
7315 g_assert (variant_clear);
7318 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7319 mono_mb_emit_ldarg (mb, argnum);
7320 mono_mb_emit_ldloc_addr (mb, conv_arg);
7321 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7322 mono_mb_emit_byte (mb, CEE_STIND_REF);
7325 mono_mb_emit_ldloc_addr (mb, conv_arg);
7326 mono_mb_emit_managed_call (mb, variant_clear, NULL);
7330 case MARSHAL_ACTION_PUSH:
7332 mono_mb_emit_ldloc_addr (mb, conv_arg);
7334 mono_mb_emit_ldloc (mb, conv_arg);
7337 case MARSHAL_ACTION_CONV_RESULT: {
7338 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7339 mono_mb_emit_exception_marshal_directive (mb, msg);
7343 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7344 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7347 *conv_arg_type = &mono_defaults.variant_class->this_arg;
7349 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
7351 if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
7355 mono_mb_emit_ldarg (mb, argnum);
7357 mono_mb_emit_ldarg_addr (mb, argnum);
7358 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
7359 mono_mb_emit_stloc (mb, conv_arg);
7363 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7364 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
7365 mono_mb_emit_ldloc (mb, conv_arg);
7366 mono_mb_emit_ldarg (mb, argnum);
7367 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
7372 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7373 char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
7374 mono_mb_emit_exception_marshal_directive (mb, msg);
7379 g_assert_not_reached ();
7385 #endif /* DISABLE_COM */
7386 #endif /* DISABLE_JIT */
7389 mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
7391 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
7392 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
7394 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
7396 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
7408 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
7409 MonoMarshalSpec *spec,
7410 int conv_arg, MonoType **conv_arg_type,
7411 MarshalAction action)
7415 case MARSHAL_ACTION_CONV_IN:
7416 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7418 case MARSHAL_ACTION_MANAGED_CONV_IN:
7419 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7423 MonoMethodBuilder *mb = m->mb;
7424 MonoClass *klass = mono_class_from_mono_type (t);
7425 gboolean need_convert, need_free;
7426 MonoMarshalNative encoding;
7428 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
7431 case MARSHAL_ACTION_CONV_IN:
7432 *conv_arg_type = &mono_defaults.object_class->byval_arg;
7433 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7435 if (klass->element_class->blittable) {
7436 mono_mb_emit_ldarg (mb, argnum);
7438 mono_mb_emit_byte (mb, CEE_LDIND_I);
7439 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
7440 mono_mb_emit_stloc (mb, conv_arg);
7443 guint32 label1, label2, label3;
7444 int index_var, src_var, dest_ptr, esize;
7445 MonoMarshalConv conv;
7446 gboolean is_string = FALSE;
7448 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7450 eklass = klass->element_class;
7452 if (eklass == mono_defaults.string_class) {
7454 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7456 else if (eklass == mono_defaults.stringbuilder_class) {
7458 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7463 if (is_string && conv == -1) {
7464 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
7465 mono_mb_emit_exception_marshal_directive (mb, msg);
7469 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7470 mono_mb_emit_ldarg (mb, argnum);
7472 mono_mb_emit_byte (mb, CEE_LDIND_I);
7473 mono_mb_emit_stloc (mb, src_var);
7476 mono_mb_emit_ldloc (mb, src_var);
7477 mono_mb_emit_stloc (mb, conv_arg);
7478 mono_mb_emit_ldloc (mb, src_var);
7479 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7482 esize = sizeof (gpointer);
7483 else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
7484 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7486 esize = mono_class_native_size (eklass, NULL);
7488 /* allocate space for the native struct and store the address */
7489 mono_mb_emit_icon (mb, esize);
7490 mono_mb_emit_ldloc (mb, src_var);
7491 mono_mb_emit_byte (mb, CEE_LDLEN);
7493 if (eklass == mono_defaults.string_class) {
7494 /* Make the array bigger for the terminating null */
7495 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
7496 mono_mb_emit_byte (mb, CEE_ADD);
7498 mono_mb_emit_byte (mb, CEE_MUL);
7499 mono_mb_emit_byte (mb, CEE_PREFIX1);
7500 mono_mb_emit_byte (mb, CEE_LOCALLOC);
7501 mono_mb_emit_stloc (mb, conv_arg);
7503 mono_mb_emit_ldloc (mb, conv_arg);
7504 mono_mb_emit_stloc (mb, dest_ptr);
7506 /* Emit marshalling loop */
7507 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7508 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7509 mono_mb_emit_stloc (mb, index_var);
7510 label2 = mono_mb_get_label (mb);
7511 mono_mb_emit_ldloc (mb, index_var);
7512 mono_mb_emit_ldloc (mb, src_var);
7513 mono_mb_emit_byte (mb, CEE_LDLEN);
7514 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7516 /* Emit marshalling code */
7519 mono_mb_emit_ldloc (mb, dest_ptr);
7520 mono_mb_emit_ldloc (mb, src_var);
7521 mono_mb_emit_ldloc (mb, index_var);
7522 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7523 mono_mb_emit_icall (mb, conv_to_icall (conv));
7524 mono_mb_emit_byte (mb, CEE_STIND_I);
7526 /* set the src_ptr */
7527 mono_mb_emit_ldloc (mb, src_var);
7528 mono_mb_emit_ldloc (mb, index_var);
7529 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7530 mono_mb_emit_stloc (mb, 0);
7533 mono_mb_emit_ldloc (mb, dest_ptr);
7534 mono_mb_emit_stloc (mb, 1);
7536 /* emit valuetype conversion code */
7537 emit_struct_conv_full (mb, eklass, FALSE, eklass == mono_defaults.char_class ? encoding : -1);
7540 mono_mb_emit_add_to_local (mb, index_var, 1);
7541 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7543 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7545 mono_mb_patch_branch (mb, label3);
7547 if (eklass == mono_defaults.string_class) {
7548 /* Null terminate */
7549 mono_mb_emit_ldloc (mb, dest_ptr);
7550 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7551 mono_mb_emit_byte (mb, CEE_STIND_REF);
7554 mono_mb_patch_branch (mb, label1);
7559 case MARSHAL_ACTION_CONV_OUT:
7560 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
7561 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);
7562 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
7565 if (need_convert || need_free) {
7566 /* FIXME: Optimize blittable case */
7568 guint32 label1, label2, label3;
7569 int index_var, src_ptr, loc, esize;
7571 eklass = klass->element_class;
7572 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
7573 esize = sizeof (gpointer);
7574 else if (eklass == mono_defaults.char_class)
7575 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
7577 esize = mono_class_native_size (eklass, NULL);
7578 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7579 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7582 mono_mb_emit_ldarg (mb, argnum);
7584 mono_mb_emit_byte (mb, CEE_LDIND_I);
7585 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7587 mono_mb_emit_ldloc (mb, conv_arg);
7588 mono_mb_emit_stloc (mb, src_ptr);
7590 /* Emit marshalling loop */
7591 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7592 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7593 mono_mb_emit_stloc (mb, index_var);
7594 label2 = mono_mb_get_label (mb);
7595 mono_mb_emit_ldloc (mb, index_var);
7596 mono_mb_emit_ldarg (mb, argnum);
7598 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7599 mono_mb_emit_byte (mb, CEE_LDLEN);
7600 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7602 /* Emit marshalling code */
7604 if (eklass == mono_defaults.stringbuilder_class) {
7605 gboolean need_free2;
7606 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
7608 g_assert (conv != -1);
7611 mono_mb_emit_ldarg (mb, argnum);
7613 mono_mb_emit_byte (mb, CEE_LDIND_I);
7614 mono_mb_emit_ldloc (mb, index_var);
7615 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7618 mono_mb_emit_ldloc (mb, src_ptr);
7619 mono_mb_emit_byte (mb, CEE_LDIND_I);
7621 mono_mb_emit_icall (mb, conv_to_icall (conv));
7625 mono_mb_emit_ldloc (mb, src_ptr);
7626 mono_mb_emit_byte (mb, CEE_LDIND_I);
7628 mono_mb_emit_icall (mb, mono_marshal_free);
7631 else if (eklass == mono_defaults.string_class) {
7634 mono_mb_emit_ldloc (mb, src_ptr);
7635 mono_mb_emit_byte (mb, CEE_LDIND_I);
7637 mono_mb_emit_icall (mb, mono_marshal_free);
7642 /* set the src_ptr */
7643 mono_mb_emit_ldloc (mb, src_ptr);
7644 mono_mb_emit_stloc (mb, 0);
7647 mono_mb_emit_ldarg (mb, argnum);
7649 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7650 mono_mb_emit_ldloc (mb, index_var);
7651 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
7652 mono_mb_emit_stloc (mb, 1);
7654 /* emit valuetype conversion code */
7655 emit_struct_conv_full (mb, eklass, TRUE, eklass == mono_defaults.char_class ? encoding : -1);
7659 mono_mb_emit_ldloc (mb, src_ptr);
7660 mono_mb_emit_stloc (mb, loc);
7661 mono_mb_emit_ldloc (mb, loc);
7663 emit_struct_free (mb, eklass, loc);
7667 mono_mb_emit_add_to_local (mb, index_var, 1);
7668 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7670 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7672 mono_mb_patch_branch (mb, label1);
7673 mono_mb_patch_branch (mb, label3);
7676 if (klass->element_class->blittable) {
7677 /* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
7679 mono_mb_emit_ldarg (mb, argnum);
7680 mono_mb_emit_ldloc (mb, conv_arg);
7681 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY));
7686 case MARSHAL_ACTION_PUSH:
7688 mono_mb_emit_ldloc_addr (mb, conv_arg);
7690 mono_mb_emit_ldloc (mb, conv_arg);
7693 case MARSHAL_ACTION_CONV_RESULT:
7694 /* fixme: we need conversions here */
7695 mono_mb_emit_stloc (mb, 3);
7698 case MARSHAL_ACTION_MANAGED_CONV_IN: {
7700 guint32 label1, label2, label3;
7701 int index_var, src_ptr, loc, esize, param_num, num_elem;
7702 MonoMarshalConv conv;
7703 gboolean is_string = FALSE;
7705 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7706 *conv_arg_type = &mono_defaults.int_class->byval_arg;
7709 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
7710 mono_mb_emit_exception_marshal_directive (mb, msg);
7714 char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
7715 mono_mb_emit_exception_marshal_directive (mb, msg);
7718 if (spec->native != MONO_NATIVE_LPARRAY) {
7719 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
7720 mono_mb_emit_exception_marshal_directive (mb, msg);
7724 /* FIXME: t is from the method which is wrapped, not the delegate type */
7725 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
7727 param_num = spec->data.array_data.param_num;
7728 num_elem = spec->data.array_data.num_elem;
7729 if (spec->data.array_data.elem_mult == 0)
7730 /* param_num is not specified */
7733 if (param_num == -1) {
7734 if (num_elem <= 0) {
7735 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
7736 mono_mb_emit_exception_marshal_directive (mb, msg);
7741 /* FIXME: Optimize blittable case */
7743 eklass = klass->element_class;
7744 if (eklass == mono_defaults.string_class) {
7746 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
7748 else if (eklass == mono_defaults.stringbuilder_class) {
7750 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
7755 mono_marshal_load_type_info (eklass);
7758 esize = sizeof (gpointer);
7760 esize = mono_class_native_size (eklass, NULL);
7761 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7762 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7764 mono_mb_emit_byte (mb, CEE_LDNULL);
7765 mono_mb_emit_stloc (mb, conv_arg);
7767 /* Check param index */
7768 if (param_num != -1) {
7769 if (param_num >= m->sig->param_count) {
7770 char *msg = g_strdup ("Array size control parameter index is out of range.");
7771 mono_mb_emit_exception_marshal_directive (mb, msg);
7774 switch (m->sig->params [param_num]->type) {
7787 char *msg = g_strdup ("Array size control parameter must be an integral type.");
7788 mono_mb_emit_exception_marshal_directive (mb, msg);
7795 mono_mb_emit_ldarg (mb, argnum);
7796 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7798 mono_mb_emit_ldarg (mb, argnum);
7799 mono_mb_emit_stloc (mb, src_ptr);
7801 /* Create managed array */
7803 * The LPArray marshalling spec says that sometimes param_num starts
7804 * from 1, sometimes it starts from 0. But MS seems to allways start
7808 if (param_num == -1) {
7809 mono_mb_emit_icon (mb, num_elem);
7811 mono_mb_emit_ldarg (mb, param_num);
7813 mono_mb_emit_icon (mb, num_elem);
7814 mono_mb_emit_byte (mb, CEE_ADD);
7816 mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
7819 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
7820 mono_mb_emit_stloc (mb, conv_arg);
7822 if (eklass->blittable) {
7823 mono_mb_emit_ldloc (mb, conv_arg);
7824 mono_mb_emit_byte (mb, CEE_CONV_I);
7825 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7826 mono_mb_emit_byte (mb, CEE_ADD);
7827 mono_mb_emit_ldarg (mb, argnum);
7828 mono_mb_emit_ldloc (mb, conv_arg);
7829 mono_mb_emit_byte (mb, CEE_LDLEN);
7830 mono_mb_emit_icon (mb, esize);
7831 mono_mb_emit_byte (mb, CEE_MUL);
7832 mono_mb_emit_byte (mb, CEE_PREFIX1);
7833 mono_mb_emit_byte (mb, CEE_CPBLK);
7837 /* Emit marshalling loop */
7838 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7839 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7840 mono_mb_emit_stloc (mb, index_var);
7841 label2 = mono_mb_get_label (mb);
7842 mono_mb_emit_ldloc (mb, index_var);
7843 mono_mb_emit_ldloc (mb, conv_arg);
7844 mono_mb_emit_byte (mb, CEE_LDLEN);
7845 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7847 /* Emit marshalling code */
7849 g_assert (conv != -1);
7851 mono_mb_emit_ldloc (mb, conv_arg);
7852 mono_mb_emit_ldloc (mb, index_var);
7854 mono_mb_emit_ldloc (mb, src_ptr);
7855 mono_mb_emit_byte (mb, CEE_LDIND_I);
7857 mono_mb_emit_icall (mb, conv_to_icall (conv));
7858 mono_mb_emit_byte (mb, CEE_STELEM_REF);
7861 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7862 mono_mb_emit_exception_marshal_directive (mb, msg);
7866 mono_mb_emit_add_to_local (mb, index_var, 1);
7867 mono_mb_emit_add_to_local (mb, src_ptr, esize);
7869 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7871 mono_mb_patch_branch (mb, label1);
7872 mono_mb_patch_branch (mb, label3);
7876 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
7878 guint32 label1, label2, label3;
7879 int index_var, dest_ptr, loc, esize, param_num, num_elem;
7880 MonoMarshalConv conv;
7881 gboolean is_string = FALSE;
7884 /* Already handled in CONV_IN */
7887 /* These are already checked in CONV_IN */
7888 g_assert (!t->byref);
7889 g_assert (spec->native == MONO_NATIVE_LPARRAY);
7890 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
7892 param_num = spec->data.array_data.param_num;
7893 num_elem = spec->data.array_data.num_elem;
7895 if (spec->data.array_data.elem_mult == 0)
7896 /* param_num is not specified */
7899 if (param_num == -1) {
7900 if (num_elem <= 0) {
7901 g_assert_not_reached ();
7905 /* FIXME: Optimize blittable case */
7907 eklass = klass->element_class;
7908 if (eklass == mono_defaults.string_class) {
7910 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
7912 else if (eklass == mono_defaults.stringbuilder_class) {
7914 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
7919 mono_marshal_load_type_info (eklass);
7922 esize = sizeof (gpointer);
7924 esize = mono_class_native_size (eklass, NULL);
7926 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7927 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7930 mono_mb_emit_ldloc (mb, conv_arg);
7931 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7933 mono_mb_emit_ldarg (mb, argnum);
7934 mono_mb_emit_stloc (mb, dest_ptr);
7936 if (eklass->blittable) {
7938 mono_mb_emit_ldarg (mb, argnum);
7940 mono_mb_emit_ldloc (mb, conv_arg);
7941 mono_mb_emit_byte (mb, CEE_CONV_I);
7942 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
7943 mono_mb_emit_byte (mb, CEE_ADD);
7945 mono_mb_emit_ldloc (mb, conv_arg);
7946 mono_mb_emit_byte (mb, CEE_LDLEN);
7947 mono_mb_emit_icon (mb, esize);
7948 mono_mb_emit_byte (mb, CEE_MUL);
7949 mono_mb_emit_byte (mb, CEE_PREFIX1);
7950 mono_mb_emit_byte (mb, CEE_CPBLK);
7954 /* Emit marshalling loop */
7955 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7956 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
7957 mono_mb_emit_stloc (mb, index_var);
7958 label2 = mono_mb_get_label (mb);
7959 mono_mb_emit_ldloc (mb, index_var);
7960 mono_mb_emit_ldloc (mb, conv_arg);
7961 mono_mb_emit_byte (mb, CEE_LDLEN);
7962 label3 = mono_mb_emit_branch (mb, CEE_BGE);
7964 /* Emit marshalling code */
7966 g_assert (conv != -1);
7969 mono_mb_emit_ldloc (mb, dest_ptr);
7972 mono_mb_emit_ldloc (mb, conv_arg);
7973 mono_mb_emit_ldloc (mb, index_var);
7975 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
7977 mono_mb_emit_icall (mb, conv_to_icall (conv));
7978 mono_mb_emit_byte (mb, CEE_STIND_I);
7981 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
7982 mono_mb_emit_exception_marshal_directive (mb, msg);
7986 mono_mb_emit_add_to_local (mb, index_var, 1);
7987 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
7989 mono_mb_emit_branch_label (mb, CEE_BR, label2);
7991 mono_mb_patch_branch (mb, label1);
7992 mono_mb_patch_branch (mb, label3);
7996 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
7998 guint32 label1, label2, label3;
7999 int index_var, src, dest, esize;
8000 MonoMarshalConv conv = -1;
8001 gboolean is_string = FALSE;
8003 g_assert (!t->byref);
8005 eklass = klass->element_class;
8007 mono_marshal_load_type_info (eklass);
8009 if (eklass == mono_defaults.string_class) {
8011 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
8014 g_assert_not_reached ();
8018 esize = sizeof (gpointer);
8019 else if (eklass == mono_defaults.char_class)
8020 esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
8022 esize = mono_class_native_size (eklass, NULL);
8024 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8025 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8027 mono_mb_emit_stloc (mb, src);
8028 mono_mb_emit_ldloc (mb, src);
8029 mono_mb_emit_stloc (mb, 3);
8031 /* Check for null */
8032 mono_mb_emit_ldloc (mb, src);
8033 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8035 /* Allocate native array */
8036 mono_mb_emit_icon (mb, esize);
8037 mono_mb_emit_ldloc (mb, src);
8038 mono_mb_emit_byte (mb, CEE_LDLEN);
8040 if (eklass == mono_defaults.string_class) {
8041 /* Make the array bigger for the terminating null */
8042 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8043 mono_mb_emit_byte (mb, CEE_ADD);
8045 mono_mb_emit_byte (mb, CEE_MUL);
8046 mono_mb_emit_icall (mb, mono_marshal_alloc);
8047 mono_mb_emit_stloc (mb, dest);
8048 mono_mb_emit_ldloc (mb, dest);
8049 mono_mb_emit_stloc (mb, 3);
8051 /* Emit marshalling loop */
8052 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8053 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8054 mono_mb_emit_stloc (mb, index_var);
8055 label2 = mono_mb_get_label (mb);
8056 mono_mb_emit_ldloc (mb, index_var);
8057 mono_mb_emit_ldloc (mb, src);
8058 mono_mb_emit_byte (mb, CEE_LDLEN);
8059 label3 = mono_mb_emit_branch (mb, CEE_BGE);
8061 /* Emit marshalling code */
8063 g_assert (conv != -1);
8066 mono_mb_emit_ldloc (mb, dest);
8069 mono_mb_emit_ldloc (mb, src);
8070 mono_mb_emit_ldloc (mb, index_var);
8072 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
8074 mono_mb_emit_icall (mb, conv_to_icall (conv));
8075 mono_mb_emit_byte (mb, CEE_STIND_I);
8078 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
8079 mono_mb_emit_exception_marshal_directive (mb, msg);
8083 mono_mb_emit_add_to_local (mb, index_var, 1);
8084 mono_mb_emit_add_to_local (mb, dest, esize);
8086 mono_mb_emit_branch_label (mb, CEE_BR, label2);
8088 mono_mb_patch_branch (mb, label3);
8089 mono_mb_patch_branch (mb, label1);
8093 g_assert_not_reached ();
8100 marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
8103 return &mono_defaults.int32_class->byval_arg;
8105 switch (spec->native) {
8106 case MONO_NATIVE_I1:
8107 case MONO_NATIVE_U1:
8108 return &mono_defaults.byte_class->byval_arg;
8109 case MONO_NATIVE_VARIANTBOOL:
8110 if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
8111 return &mono_defaults.int16_class->byval_arg;
8112 case MONO_NATIVE_BOOLEAN:
8113 return &mono_defaults.int32_class->byval_arg;
8115 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8116 return &mono_defaults.int32_class->byval_arg;
8122 marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
8124 MonoClass* conv_arg_class = mono_defaults.int32_class;
8126 switch (spec->native) {
8127 case MONO_NATIVE_I1:
8128 case MONO_NATIVE_U1:
8129 conv_arg_class = mono_defaults.byte_class;
8130 if (ldop) *ldop = CEE_LDIND_I1;
8132 case MONO_NATIVE_VARIANTBOOL:
8133 conv_arg_class = mono_defaults.int16_class;
8134 if (ldop) *ldop = CEE_LDIND_I2;
8136 case MONO_NATIVE_BOOLEAN:
8139 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
8142 return conv_arg_class;
8146 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
8147 MonoMarshalSpec *spec,
8148 int conv_arg, MonoType **conv_arg_type,
8149 MarshalAction action)
8153 case MARSHAL_ACTION_CONV_IN:
8155 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8157 *conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
8160 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8161 MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
8163 *conv_arg_type = &conv_arg_class->this_arg;
8165 *conv_arg_type = &conv_arg_class->byval_arg;
8171 MonoMethodBuilder *mb = m->mb;
8174 case MARSHAL_ACTION_CONV_IN: {
8175 MonoType *local_type;
8177 guint8 ldc_op = CEE_LDC_I4_1;
8179 local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
8181 *conv_arg_type = &mono_defaults.int_class->byval_arg;
8183 *conv_arg_type = local_type;
8184 conv_arg = mono_mb_add_local (mb, local_type);
8186 mono_mb_emit_ldarg (mb, argnum);
8188 mono_mb_emit_byte (mb, CEE_LDIND_I1);
8189 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8190 mono_mb_emit_byte (mb, ldc_op);
8191 mono_mb_emit_stloc (mb, conv_arg);
8192 mono_mb_patch_branch (mb, label_false);
8197 case MARSHAL_ACTION_CONV_OUT:
8199 int label_false, label_end;
8203 mono_mb_emit_ldarg (mb, argnum);
8204 mono_mb_emit_ldloc (mb, conv_arg);
8206 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8207 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8209 label_end = mono_mb_emit_branch (mb, CEE_BR);
8210 mono_mb_patch_branch (mb, label_false);
8211 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8212 mono_mb_patch_branch (mb, label_end);
8214 mono_mb_emit_byte (mb, CEE_STIND_I1);
8218 case MARSHAL_ACTION_PUSH:
8220 mono_mb_emit_ldloc_addr (mb, conv_arg);
8222 mono_mb_emit_ldloc (mb, conv_arg);
8224 mono_mb_emit_ldarg (mb, argnum);
8227 case MARSHAL_ACTION_CONV_RESULT:
8228 /* maybe we need to make sure that it fits within 8 bits */
8229 mono_mb_emit_stloc (mb, 3);
8232 case MARSHAL_ACTION_MANAGED_CONV_IN: {
8233 MonoClass* conv_arg_class = mono_defaults.int32_class;
8234 guint8 ldop = CEE_LDIND_I4;
8235 int label_null, label_false;
8237 conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
8238 conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8241 *conv_arg_type = &conv_arg_class->this_arg;
8243 *conv_arg_type = &conv_arg_class->byval_arg;
8246 mono_mb_emit_ldarg (mb, argnum);
8250 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8251 mono_mb_emit_ldarg (mb, argnum);
8252 mono_mb_emit_byte (mb, ldop);
8256 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8257 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
8258 mono_mb_emit_stloc (mb, conv_arg);
8259 mono_mb_patch_branch (mb, label_false);
8262 mono_mb_patch_branch (mb, label_null);
8266 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
8267 guint8 stop = CEE_STIND_I4;
8268 guint8 ldc_op = CEE_LDC_I4_1;
8269 int label_null,label_false, label_end;;
8274 switch (spec->native) {
8275 case MONO_NATIVE_I1:
8276 case MONO_NATIVE_U1:
8277 stop = CEE_STIND_I1;
8279 case MONO_NATIVE_VARIANTBOOL:
8280 stop = CEE_STIND_I2;
8281 ldc_op = CEE_LDC_I4_M1;
8289 mono_mb_emit_ldarg (mb, argnum);
8290 label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
8292 mono_mb_emit_ldarg (mb, argnum);
8293 mono_mb_emit_ldloc (mb, conv_arg);
8295 label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
8296 mono_mb_emit_byte (mb, ldc_op);
8297 label_end = mono_mb_emit_branch (mb, CEE_BR);
8299 mono_mb_patch_branch (mb, label_false);
8300 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
8301 mono_mb_patch_branch (mb, label_end);
8303 mono_mb_emit_byte (mb, stop);
8304 mono_mb_patch_branch (mb, label_null);
8309 g_assert_not_reached ();
8316 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
8317 MonoMarshalSpec *spec, int conv_arg,
8318 MonoType **conv_arg_type, MarshalAction action)
8321 MonoMethodBuilder *mb = m->mb;
8324 case MARSHAL_ACTION_CONV_IN:
8325 /* MS seems to allow this in some cases, ie. bxc #158 */
8327 if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
8328 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
8329 mono_mb_emit_exception_marshal_directive (m->mb, msg);
8334 case MARSHAL_ACTION_PUSH:
8335 mono_mb_emit_ldarg (mb, argnum);
8338 case MARSHAL_ACTION_CONV_RESULT:
8339 /* no conversions necessary */
8340 mono_mb_emit_stloc (mb, 3);
8351 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
8352 MonoMarshalSpec *spec, int conv_arg,
8353 MonoType **conv_arg_type, MarshalAction action)
8356 MonoMethodBuilder *mb = m->mb;
8359 case MARSHAL_ACTION_PUSH:
8360 /* fixme: dont know how to marshal that. We cant simply
8361 * convert it to a one byte UTF8 character, because an
8362 * unicode character may need more that one byte in UTF8 */
8363 mono_mb_emit_ldarg (mb, argnum);
8366 case MARSHAL_ACTION_CONV_RESULT:
8367 /* fixme: we need conversions here */
8368 mono_mb_emit_stloc (mb, 3);
8379 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
8380 MonoMarshalSpec *spec, int conv_arg,
8381 MonoType **conv_arg_type, MarshalAction action)
8384 MonoMethodBuilder *mb = m->mb;
8387 case MARSHAL_ACTION_PUSH:
8388 mono_mb_emit_ldarg (mb, argnum);
8391 case MARSHAL_ACTION_CONV_RESULT:
8392 /* no conversions necessary */
8393 mono_mb_emit_stloc (mb, 3);
8404 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
8405 MonoMarshalSpec *spec, int conv_arg,
8406 MonoType **conv_arg_type, MarshalAction action)
8408 /* Ensure that we have marshalling info for this param */
8409 mono_marshal_load_type_info (mono_class_from_mono_type (t));
8411 if (spec && spec->native == MONO_NATIVE_CUSTOM)
8412 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8414 if (spec && spec->native == MONO_NATIVE_ASANY)
8415 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8418 case MONO_TYPE_VALUETYPE:
8419 if (t->data.klass == mono_defaults.handleref_class)
8420 return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8422 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8423 case MONO_TYPE_STRING:
8424 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8425 case MONO_TYPE_CLASS:
8426 case MONO_TYPE_OBJECT:
8428 if (spec && spec->native == MONO_NATIVE_STRUCT)
8429 return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8431 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
8432 spec->native == MONO_NATIVE_IDISPATCH ||
8433 spec->native == MONO_NATIVE_INTERFACE))
8434 return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8435 if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
8436 (spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
8437 ((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
8438 return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8441 if (mono_defaults.safehandle_class != NULL && t->data.klass &&
8442 mono_class_is_subclass_of (t->data.klass, mono_defaults.safehandle_class, FALSE))
8443 return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8445 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8446 case MONO_TYPE_ARRAY:
8447 case MONO_TYPE_SZARRAY:
8448 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8449 case MONO_TYPE_BOOLEAN:
8450 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8452 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8453 case MONO_TYPE_CHAR:
8454 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8467 case MONO_TYPE_FNPTR:
8468 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8469 case MONO_TYPE_GENERICINST:
8470 if (mono_type_generic_inst_is_valuetype (t))
8471 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8473 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
8480 * mono_marshal_emit_native_wrapper:
8481 * @image: the image to use for looking up custom marshallers
8482 * @sig: The signature of the native function
8483 * @piinfo: Marshalling information
8484 * @mspecs: Marshalling information
8485 * @aot: whenever the created method will be compiled by the AOT compiler
8486 * @method: if non-NULL, the pinvoke method to call
8487 * @check_exceptions: Whenever to check for pending exceptions after the native call
8488 * @func_param: the function to call is passed as a boxed IntPtr as the first parameter
8490 * generates IL code for the pinvoke wrapper, the generated code calls @func.
8493 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)
8495 EmitMarshalContext m;
8496 MonoMethodSignature *csig;
8498 int i, argnum, *tmp_locals;
8499 int type, param_shift = 0;
8500 static MonoMethodSignature *get_last_error_sig = NULL;
8505 /* we copy the signature, so that we can set pinvoke to 0 */
8507 /* The function address is passed as the first argument */
8508 g_assert (!sig->hasthis);
8511 csig = signature_dup (mb->method->klass->image, sig);
8519 /* we allocate local for use with emit_struct_conv() */
8520 /* allocate local 0 (pointer) src_ptr */
8521 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8522 /* allocate local 1 (pointer) dst_ptr */
8523 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8524 /* allocate local 2 (boolean) delete_old */
8525 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
8527 /* delete_old = FALSE */
8528 mono_mb_emit_icon (mb, 0);
8529 mono_mb_emit_stloc (mb, 2);
8531 if (!MONO_TYPE_IS_VOID(sig->ret)) {
8532 /* allocate local 3 to store the return value */
8533 mono_mb_add_local (mb, sig->ret);
8536 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
8537 /* Return type custom marshaling */
8539 * Since we can't determine the return type of the unmanaged function,
8540 * we assume it returns a pointer, and pass that pointer to
8541 * MarshalNativeToManaged.
8543 csig->ret = &mono_defaults.int_class->byval_arg;
8546 /* we first do all conversions */
8547 tmp_locals = alloca (sizeof (int) * sig->param_count);
8548 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
8550 for (i = 0; i < sig->param_count; i ++) {
8551 tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
8554 /* push all arguments */
8557 mono_mb_emit_byte (mb, CEE_LDARG_0);
8559 for (i = 0; i < sig->param_count; i++) {
8560 emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
8563 /* call the native method */
8565 mono_mb_emit_byte (mb, CEE_LDARG_0);
8566 mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
8567 mono_mb_emit_byte (mb, CEE_LDIND_I);
8568 mono_mb_emit_calli (mb, csig);
8569 } else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
8571 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
8573 g_assert_not_reached ();
8578 /* Reuse the ICALL_ADDR opcode for pinvokes too */
8579 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8580 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8581 mono_mb_emit_calli (mb, csig);
8583 mono_mb_emit_native_call (mb, csig, func);
8587 /* Set LastError if needed */
8588 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
8589 if (!get_last_error_sig) {
8590 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
8591 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
8592 get_last_error_sig->pinvoke = 1;
8597 * Have to call GetLastError () early and without a wrapper, since various runtime components could
8598 * clobber its value.
8600 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
8601 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
8603 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
8607 /* convert the result */
8608 if (!sig->ret->byref) {
8609 MonoMarshalSpec *spec = mspecs [0];
8610 type = sig->ret->type;
8612 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
8613 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8618 case MONO_TYPE_VOID:
8620 case MONO_TYPE_VALUETYPE:
8621 klass = sig->ret->data.klass;
8622 if (klass->enumtype) {
8623 type = mono_class_enum_basetype (sig->ret->data.klass)->type;
8626 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8640 case MONO_TYPE_FNPTR:
8641 case MONO_TYPE_STRING:
8642 case MONO_TYPE_CLASS:
8643 case MONO_TYPE_OBJECT:
8644 case MONO_TYPE_BOOLEAN:
8645 case MONO_TYPE_ARRAY:
8646 case MONO_TYPE_SZARRAY:
8647 case MONO_TYPE_CHAR:
8649 case MONO_TYPE_GENERICINST:
8650 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
8652 case MONO_TYPE_TYPEDBYREF:
8654 g_warning ("return type 0x%02x unknown", sig->ret->type);
8655 g_assert_not_reached ();
8659 mono_mb_emit_stloc (mb, 3);
8663 * Need to call this after converting the result since MONO_VTADDR needs
8664 * to be adjacent to the call instruction.
8666 if (check_exceptions)
8667 emit_thread_interrupt_checkpoint (mb);
8669 /* we need to convert byref arguments back and free string arrays */
8670 for (i = 0; i < sig->param_count; i++) {
8671 MonoType *t = sig->params [i];
8672 MonoMarshalSpec *spec = mspecs [i + 1];
8674 argnum = i + param_shift;
8676 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
8677 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8682 case MONO_TYPE_STRING:
8683 case MONO_TYPE_VALUETYPE:
8684 case MONO_TYPE_CLASS:
8685 case MONO_TYPE_OBJECT:
8686 case MONO_TYPE_SZARRAY:
8687 case MONO_TYPE_BOOLEAN:
8688 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
8693 if (!MONO_TYPE_IS_VOID(sig->ret))
8694 mono_mb_emit_ldloc (mb, 3);
8696 mono_mb_emit_byte (mb, CEE_RET);
8698 #endif /* DISABLE_JIT */
8701 G_GNUC_UNUSED static void
8702 code_for (MonoMethod *method) {
8703 MonoMethodHeader *header = mono_method_get_header (method);
8704 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));
8708 * mono_marshal_get_native_wrapper:
8709 * @method: The MonoMethod to wrap.
8710 * @check_exceptions: Whenever to check for pending exceptions
8712 * generates IL code for the pinvoke wrapper (the generated method
8713 * calls the unmanaged code in piinfo->addr)
8714 * The wrapper info for the wrapper is a WrapperInfo structure.
8717 mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
8719 MonoMethodSignature *sig, *csig;
8720 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
8721 MonoMethodBuilder *mb;
8722 MonoMarshalSpec **mspecs;
8725 gboolean pinvoke = FALSE;
8728 const char *exc_class = "MissingMethodException";
8729 const char *exc_arg = NULL;
8732 g_assert (method != NULL);
8733 g_assert (mono_method_signature (method)->pinvoke);
8736 cache = get_cache (&method->klass->image->native_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
8738 cache = get_cache (&method->klass->image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8739 if ((res = mono_marshal_find_in_cache (cache, method)))
8742 if (MONO_CLASS_IS_IMPORT (method->klass)) {
8744 return mono_cominterop_get_native_wrapper (method);
8746 g_assert_not_reached ();
8750 sig = mono_method_signature (method);
8752 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
8753 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8756 if (!piinfo->addr) {
8758 if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
8759 exc_arg = "Method contains unsupported native code";
8761 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
8763 piinfo->addr = mono_lookup_internal_call (method);
8766 /* hack - redirect certain string constructors to CreateString */
8767 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
8768 g_assert (!pinvoke);
8769 g_assert (method->string_ctor);
8770 g_assert (sig->hasthis);
8772 /* CreateString returns a value */
8773 csig = signature_dup (method->klass->image, sig);
8774 csig->ret = &mono_defaults.string_class->byval_arg;
8778 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
8779 if (!strcmp ("CreateString", res->name) &&
8780 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
8783 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
8784 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
8786 /* create a wrapper to preserve .ctor in stack trace */
8787 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
8790 mono_mb_emit_byte (mb, CEE_LDARG_0);
8791 for (i = 1; i <= csig->param_count; i++)
8792 mono_mb_emit_ldarg (mb, i);
8793 mono_mb_emit_managed_call (mb, res, NULL);
8794 mono_mb_emit_byte (mb, CEE_RET);
8797 /* use native_wrapper_cache because internal calls are looked up there */
8798 res = mono_mb_create_and_cache (cache, method,
8799 mb, csig, csig->param_count + 1);
8803 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRING_CTOR);
8804 info->d.string_ctor.method = method;
8806 mono_marshal_set_wrapper_info (res, info);
8812 /* exception will be thrown */
8813 piinfo->addr = NULL;
8814 g_warning ("cannot find CreateString for .ctor");
8817 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8819 mb->method->save_lmf = 1;
8822 * In AOT mode and embedding scenarios, it is possible that the icall is not
8823 * registered in the runtime doing the AOT compilation.
8825 if (!piinfo->addr && !aot) {
8827 mono_mb_emit_exception (mb, exc_class, exc_arg);
8829 csig = signature_dup (method->klass->image, sig);
8831 res = mono_mb_create_and_cache (cache, method,
8832 mb, csig, csig->param_count + 16);
8835 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8836 info->d.managed_to_native.method = method;
8837 mono_marshal_set_wrapper_info (res, info);
8842 /* internal calls: we simply push all arguments and call the method (no conversions) */
8843 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
8845 csig = signature_dup_add_this (method->klass->image, sig, method->klass);
8847 csig = signature_dup (method->klass->image, sig);
8849 /* hack - string constructors returns a value */
8850 if (method->string_ctor)
8851 csig->ret = &mono_defaults.string_class->byval_arg;
8858 * Add a null check since public icalls can be called with 'call' which
8859 * does no such check.
8861 mono_mb_emit_byte (mb, CEE_LDARG_0);
8862 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
8863 mono_mb_emit_exception (mb, "NullReferenceException", NULL);
8864 mono_mb_patch_branch (mb, pos);
8866 mono_mb_emit_byte (mb, CEE_LDARG_0);
8869 for (i = 0; i < sig->param_count; i++)
8870 mono_mb_emit_ldarg (mb, i + sig->hasthis);
8873 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
8874 mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
8875 mono_mb_emit_calli (mb, csig);
8877 g_assert (piinfo->addr);
8878 mono_mb_emit_native_call (mb, csig, piinfo->addr);
8880 if (check_exceptions)
8881 emit_thread_interrupt_checkpoint (mb);
8882 mono_mb_emit_byte (mb, CEE_RET);
8885 csig = signature_dup (method->klass->image, csig);
8887 res = mono_mb_create_and_cache (cache, method,
8888 mb, csig, csig->param_count + 16);
8890 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8891 info->d.managed_to_native.method = method;
8892 mono_marshal_set_wrapper_info (res, info);
8900 g_assert (piinfo->addr);
8903 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
8904 mono_method_get_marshal_info (method, mspecs);
8906 mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
8909 csig = signature_dup (method->klass->image, sig);
8911 res = mono_mb_create_and_cache (cache, method,
8912 mb, csig, csig->param_count + 16);
8915 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
8916 info->d.managed_to_native.method = method;
8917 mono_marshal_set_wrapper_info (res, info);
8920 for (i = sig->param_count; i >= 0; i--)
8922 mono_metadata_free_marshal_spec (mspecs [i]);
8926 /* code_for (res); */
8932 * mono_marshal_get_native_func_wrapper:
8933 * @image: The image to use for memory allocation and for looking up custom marshallers.
8934 * @sig: The signature of the function
8935 * @func: The native function to wrap
8937 * Returns a wrapper method around native functions, similar to the pinvoke
8941 mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
8942 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
8944 MonoMethodSignature *csig;
8946 MonoMethodBuilder *mb;
8951 cache = get_cache (&image->native_wrapper_cache, mono_aligned_addr_hash, NULL);
8952 if ((res = mono_marshal_find_in_cache (cache, func)))
8955 name = g_strdup_printf ("wrapper_native_%p", func);
8956 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
8957 mb->method->save_lmf = 1;
8960 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
8963 csig = signature_dup (image, sig);
8965 res = mono_mb_create_and_cache (cache, func,
8966 mb, csig, csig->param_count + 16);
8969 mono_marshal_set_wrapper_info (res, NULL);
8975 * The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
8979 mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
8981 MonoMethodSignature *sig, *csig;
8982 MonoMethodBuilder *mb;
8987 MonoMethodPInvoke mpiinfo;
8988 MonoMethodPInvoke *piinfo = &mpiinfo;
8989 MonoMarshalSpec **mspecs;
8990 MonoMethod *invoke = mono_get_delegate_invoke (klass);
8991 MonoImage *image = invoke->klass->image;
8994 // FIXME: include UnmanagedFunctionPointerAttribute info
8997 * The wrapper is associated with the delegate type, to pick up the marshalling info etc.
8999 cache = get_cache (&image->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
9000 if ((res = mono_marshal_find_in_cache (cache, invoke)))
9003 memset (&mpiinfo, 0, sizeof (mpiinfo));
9004 parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
9006 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9007 mono_method_get_marshal_info (invoke, mspecs);
9008 /* Freed below so don't alloc from mempool */
9009 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
9012 name = g_strdup_printf ("wrapper_aot_native");
9013 mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
9014 mb->method->save_lmf = 1;
9017 mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
9020 g_assert (!sig->hasthis);
9021 csig = signature_dup_add_this (image, sig, mono_defaults.int_class);
9023 res = mono_mb_create_and_cache (cache, invoke,
9024 mb, csig, csig->param_count + 16);
9027 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
9028 info->d.managed_to_native.method = invoke;
9030 mono_marshal_set_wrapper_info (res, info);
9032 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9034 mono_metadata_free_marshal_spec (mspecs [i]);
9042 * mono_marshal_emit_managed_wrapper:
9044 * Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
9045 * the delegate which wraps the managed method to be called. For closed delegates,
9046 * it could have fewer parameters than the method it wraps.
9047 * THIS_LOC is the memory location where the target of the delegate is stored.
9050 mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
9053 MonoMethodSignature *sig, *csig;
9059 /* we first do all conversions */
9060 for (i = 0; i < sig->param_count; i ++) {
9061 MonoType *t = sig->params [i];
9064 case MONO_TYPE_OBJECT:
9065 case MONO_TYPE_CLASS:
9066 case MONO_TYPE_VALUETYPE:
9067 case MONO_TYPE_ARRAY:
9068 case MONO_TYPE_SZARRAY:
9069 case MONO_TYPE_STRING:
9070 case MONO_TYPE_BOOLEAN:
9071 emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9075 MonoMethodSignature *sig, *csig;
9077 gboolean closed = FALSE;
9082 /* allocate local 0 (pointer) src_ptr */
9083 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9084 /* allocate local 1 (pointer) dst_ptr */
9085 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9086 /* allocate local 2 (boolean) delete_old */
9087 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
9089 if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
9090 /* Closed delegate */
9091 g_assert (sig->param_count == invoke_sig->param_count + 1);
9093 /* Use a new signature without the first argument */
9094 sig = mono_metadata_signature_dup (sig);
9095 memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
9096 sig->param_count --;
9099 if (!MONO_TYPE_IS_VOID(sig->ret)) {
9100 /* allocate local 3 to store the return value */
9101 mono_mb_add_local (mb, sig->ret);
9104 mono_mb_emit_icon (mb, 0);
9105 mono_mb_emit_stloc (mb, 2);
9108 * Might need to attach the thread to the JIT or change the
9109 * domain for the callback.
9111 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9112 mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
9114 /* we first do all conversions */
9115 tmp_locals = alloca (sizeof (int) * sig->param_count);
9116 for (i = 0; i < sig->param_count; i ++) {
9117 MonoType *t = sig->params [i];
9120 case MONO_TYPE_OBJECT:
9121 case MONO_TYPE_CLASS:
9122 case MONO_TYPE_VALUETYPE:
9123 case MONO_TYPE_ARRAY:
9124 case MONO_TYPE_SZARRAY:
9125 case MONO_TYPE_STRING:
9126 case MONO_TYPE_BOOLEAN:
9127 tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
9136 emit_thread_interrupt_checkpoint (mb);
9139 if (target_handle) {
9140 mono_mb_emit_icon (mb, (gint32)target_handle);
9141 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9144 g_assert_not_reached ();
9146 } else if (closed) {
9147 mono_mb_emit_icon (mb, (gint32)target_handle);
9148 mono_mb_emit_icall (mb, mono_gchandle_get_target);
9151 for (i = 0; i < sig->param_count; i++) {
9152 MonoType *t = sig->params [i];
9154 if (tmp_locals [i]) {
9156 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
9158 mono_mb_emit_ldloc (mb, tmp_locals [i]);
9161 mono_mb_emit_ldarg (mb, i);
9164 mono_mb_emit_managed_call (mb, method, NULL);
9166 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
9167 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9168 } else if (!sig->ret->byref) {
9169 switch (sig->ret->type) {
9170 case MONO_TYPE_VOID:
9172 case MONO_TYPE_BOOLEAN:
9175 case MONO_TYPE_CHAR:
9187 case MONO_TYPE_OBJECT:
9188 mono_mb_emit_stloc (mb, 3);
9190 case MONO_TYPE_STRING:
9191 csig->ret = &mono_defaults.int_class->byval_arg;
9192 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9194 case MONO_TYPE_VALUETYPE:
9195 case MONO_TYPE_CLASS:
9196 case MONO_TYPE_SZARRAY:
9197 emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
9200 g_warning ("return type 0x%02x unknown", sig->ret->type);
9201 g_assert_not_reached ();
9204 mono_mb_emit_stloc (mb, 3);
9207 /* Convert byref arguments back */
9208 for (i = 0; i < sig->param_count; i ++) {
9209 MonoType *t = sig->params [i];
9210 MonoMarshalSpec *spec = mspecs [i + 1];
9212 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
9213 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9215 else if (t->byref) {
9217 case MONO_TYPE_CLASS:
9218 case MONO_TYPE_VALUETYPE:
9219 case MONO_TYPE_OBJECT:
9220 case MONO_TYPE_STRING:
9221 case MONO_TYPE_BOOLEAN:
9222 emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9226 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
9227 /* The [Out] information is encoded in the delegate signature */
9229 case MONO_TYPE_SZARRAY:
9230 case MONO_TYPE_CLASS:
9231 case MONO_TYPE_VALUETYPE:
9232 emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
9235 g_assert_not_reached ();
9240 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9241 mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
9243 if (m->retobj_var) {
9244 mono_mb_emit_ldloc (mb, m->retobj_var);
9245 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9246 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
9249 if (!MONO_TYPE_IS_VOID(sig->ret))
9250 mono_mb_emit_ldloc (mb, 3);
9251 mono_mb_emit_byte (mb, CEE_RET);
9260 mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
9262 MonoMethodSignature *sig;
9267 * Under windows, delegates passed to native code must use the STDCALL
9268 * calling convention.
9270 csig->call_convention = MONO_CALL_STDCALL;
9273 sig = mono_method_signature (method);
9275 /* Change default calling convention if needed */
9276 /* Why is this a modopt ? */
9277 if (sig->ret && sig->ret->num_mods) {
9278 for (i = 0; i < sig->ret->num_mods; ++i) {
9279 MonoClass *cmod_class = mono_class_get (method->klass->image, sig->ret->modifiers [i].token);
9280 g_assert (cmod_class);
9281 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
9282 if (!strcmp (cmod_class->name, "CallConvCdecl"))
9283 csig->call_convention = MONO_CALL_C;
9284 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
9285 csig->call_convention = MONO_CALL_STDCALL;
9286 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
9287 csig->call_convention = MONO_CALL_FASTCALL;
9288 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
9289 csig->call_convention = MONO_CALL_THISCALL;
9296 * generates IL code to call managed methods from unmanaged code
9297 * If target_handle==0, the wrapper info will be a WrapperInfo structure.
9300 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle)
9302 static MonoClass *UnmanagedFunctionPointerAttribute;
9303 MonoMethodSignature *sig, *csig, *invoke_sig;
9304 MonoMethodBuilder *mb;
9305 MonoMethod *res, *invoke;
9306 MonoMarshalSpec **mspecs;
9307 MonoMethodPInvoke piinfo;
9310 EmitMarshalContext m;
9312 g_assert (method != NULL);
9313 g_assert (!mono_method_signature (method)->pinvoke);
9316 * FIXME: Should cache the method+delegate type pair, since the same method
9317 * could be called with different delegates, thus different marshalling
9320 cache = get_cache (&method->klass->image->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
9321 if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
9324 invoke = mono_get_delegate_invoke (delegate_klass);
9325 invoke_sig = mono_method_signature (invoke);
9327 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
9328 mono_method_get_marshal_info (invoke, mspecs);
9330 sig = mono_method_signature (method);
9332 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9334 /*the target gchandle must be the first entry after size and the wrapper itself.*/
9335 mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
9337 /* we copy the signature, so that we can modify it */
9339 /* Need to free this later */
9340 csig = mono_metadata_signature_dup (invoke_sig);
9342 csig = signature_dup (method->klass->image, invoke_sig);
9351 m.image = method->klass->image;
9353 mono_marshal_set_callconv_from_modopt (invoke, csig);
9355 /* Handle the UnmanagedFunctionPointerAttribute */
9356 if (!UnmanagedFunctionPointerAttribute)
9357 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
9359 /* The attribute is only available in Net 2.0 */
9360 if (UnmanagedFunctionPointerAttribute) {
9361 MonoCustomAttrInfo *cinfo;
9362 MonoCustomAttrEntry *attr;
9365 * The pinvoke attributes are stored in a real custom attribute. Obtain the
9366 * contents of the attribute without constructing it, as that might not be
9367 * possible when running in cross-compiling mode.
9369 cinfo = mono_custom_attrs_from_class (delegate_klass);
9372 for (i = 0; i < cinfo->num_attrs; ++i) {
9373 MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
9374 if (mono_class_has_parent (ctor_class, UnmanagedFunctionPointerAttribute)) {
9375 attr = &cinfo->attrs [i];
9381 MonoArray *typed_args, *named_args;
9382 CattrNamedArg *arginfo;
9386 MonoBoolean set_last_error = 0;
9387 MonoBoolean best_fit_mapping = 0;
9388 MonoBoolean throw_on_unmappable = 0;
9390 mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo);
9392 g_assert (mono_array_length (typed_args) == 1);
9395 o = mono_array_get (typed_args, MonoObject*, 0);
9396 call_conv = *(gint32*)mono_object_unbox (o);
9399 for (i = 0; i < mono_array_length (named_args); ++i) {
9400 CattrNamedArg *narg = &arginfo [i];
9402 o = mono_array_get (named_args, MonoObject*, i);
9404 g_assert (narg->field);
9405 if (!strcmp (narg->field->name, "CharSet")) {
9406 charset = *(gint32*)mono_object_unbox (o);
9407 } else if (!strcmp (narg->field->name, "SetLastError")) {
9408 set_last_error = *(MonoBoolean*)mono_object_unbox (o);
9409 } else if (!strcmp (narg->field->name, "BestFitMapping")) {
9410 best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
9411 } else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
9412 throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
9414 g_assert_not_reached ();
9420 memset (&piinfo, 0, sizeof (piinfo));
9422 piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
9424 csig->call_convention = call_conv - 1;
9427 if (cinfo && !cinfo->cached)
9428 mono_custom_attrs_free (cinfo);
9431 mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
9433 if (!target_handle) {
9436 res = mono_mb_create_and_cache (cache, method,
9437 mb, csig, sig->param_count + 16);
9438 // FIXME: Associate it with the method+delegate_klass pair
9439 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9440 info->d.native_to_managed.method = method;
9441 info->d.native_to_managed.klass = delegate_klass;
9442 mono_marshal_set_wrapper_info (res, info);
9447 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
9451 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
9453 mono_metadata_free_marshal_spec (mspecs [i]);
9456 /* code_for (res); */
9462 mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
9465 MonoMethodSignature *sig;
9466 MonoMethodBuilder *mb;
9471 method = mono_get_method (image, token, NULL);
9474 if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
9475 MonoMethodSignature *csig;
9476 MonoMarshalSpec **mspecs;
9477 EmitMarshalContext m;
9479 sig = mono_method_signature (method);
9480 g_assert (!sig->hasthis);
9482 mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
9483 mono_method_get_marshal_info (method, mspecs);
9485 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
9486 csig = signature_dup (image, sig);
9497 mono_marshal_set_callconv_from_modopt (method, csig);
9499 /* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
9501 mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
9506 method = mono_mb_create_method (mb, csig, sig->param_count + 16);
9509 for (i = sig->param_count; i >= 0; i--)
9511 mono_metadata_free_marshal_spec (mspecs [i]);
9514 return mono_compile_method (method);
9517 sig = mono_method_signature (method);
9518 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
9521 param_count = sig->param_count + sig->hasthis;
9522 for (i = 0; i < param_count; i++)
9523 mono_mb_emit_ldarg (mb, i);
9525 if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
9526 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
9528 mono_mb_emit_op (mb, CEE_CALL, method);
9529 mono_mb_emit_byte (mb, CEE_RET);
9534 method = mono_mb_create_method (mb, sig, param_count);
9537 return mono_compile_method (method);
9540 static MonoReflectionType *
9541 type_from_handle (MonoType *handle)
9543 MonoDomain *domain = mono_domain_get ();
9544 MonoClass *klass = mono_class_from_mono_type (handle);
9546 MONO_ARCH_SAVE_REGS;
9548 mono_class_init (klass);
9549 return mono_type_get_object (domain, handle);
9553 * This does the equivalent of mono_object_castclass_with_cache.
9554 * The wrapper info for the wrapper is a WrapperInfo structure.
9557 mono_marshal_get_castclass_with_cache (void)
9559 static MonoMethod *cached;
9561 MonoMethodBuilder *mb;
9562 MonoMethodSignature *sig;
9563 int return_null_pos, cache_miss_pos, invalid_cast_pos;
9569 mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
9570 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9571 sig->params [0] = &mono_defaults.object_class->byval_arg;
9572 sig->params [1] = &mono_defaults.int_class->byval_arg;
9573 sig->params [2] = &mono_defaults.int_class->byval_arg;
9574 sig->ret = &mono_defaults.object_class->byval_arg;
9578 /* allocate local 0 (pointer) obj_vtable */
9579 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9582 mono_mb_emit_ldarg (mb, 0);
9583 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9585 /*obj_vtable = obj->vtable;*/
9586 mono_mb_emit_ldarg (mb, 0);
9587 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9588 mono_mb_emit_byte (mb, CEE_LDIND_I);
9589 mono_mb_emit_stloc (mb, 0);
9592 mono_mb_emit_ldarg (mb, 2);
9593 mono_mb_emit_byte (mb, CEE_LDIND_I);
9594 mono_mb_emit_ldloc (mb, 0);
9596 /*if (*cache == obj_vtable)*/
9597 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9600 mono_mb_emit_ldarg (mb, 0);
9601 mono_mb_emit_byte (mb, CEE_RET);
9603 mono_mb_patch_branch (mb, cache_miss_pos);
9604 /*if (mono_object_isinst (obj, klass)) */
9605 mono_mb_emit_ldarg (mb, 0);
9606 mono_mb_emit_ldarg (mb, 1);
9607 mono_mb_emit_icall (mb, mono_object_isinst);
9608 invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9610 /**cache = obj_vtable;*/
9611 mono_mb_emit_ldarg (mb, 2);
9612 mono_mb_emit_ldloc (mb, 0);
9613 mono_mb_emit_byte (mb, CEE_STIND_I);
9616 mono_mb_emit_ldarg (mb, 0);
9617 mono_mb_emit_byte (mb, CEE_RET);
9620 mono_mb_patch_branch (mb, invalid_cast_pos);
9621 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9624 mono_mb_patch_branch (mb, return_null_pos);
9625 mono_mb_emit_byte (mb, CEE_LDNULL);
9626 mono_mb_emit_byte (mb, CEE_RET);
9627 #endif /* DISABLE_JIT */
9629 res = mono_mb_create_method (mb, sig, 8);
9630 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
9631 mono_marshal_set_wrapper_info (res, info);
9634 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9635 mono_free_method (res);
9636 mono_metadata_free_method_signature (sig);
9644 * This does the equivalent of mono_object_isinst_with_cache.
9645 * The wrapper info for the wrapper is a WrapperInfo structure.
9648 mono_marshal_get_isinst_with_cache (void)
9650 static MonoMethod *cached;
9652 MonoMethodBuilder *mb;
9653 MonoMethodSignature *sig;
9654 int return_null_pos, cache_miss_pos, cache_hit_pos, not_an_instance_pos, negative_cache_hit_pos;
9660 mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
9661 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
9662 sig->params [0] = &mono_defaults.object_class->byval_arg;
9663 sig->params [1] = &mono_defaults.int_class->byval_arg;
9664 sig->params [2] = &mono_defaults.int_class->byval_arg;
9665 sig->ret = &mono_defaults.object_class->byval_arg;
9669 /* allocate local 0 (pointer) obj_vtable */
9670 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9671 /* allocate local 1 (pointer) cached_vtable */
9672 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
9675 mono_mb_emit_ldarg (mb, 0);
9676 return_null_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9678 /*obj_vtable = obj->vtable;*/
9679 mono_mb_emit_ldarg (mb, 0);
9680 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
9681 mono_mb_emit_byte (mb, CEE_LDIND_I);
9682 mono_mb_emit_stloc (mb, 0);
9684 /* cached_vtable = *cache*/
9685 mono_mb_emit_ldarg (mb, 2);
9686 mono_mb_emit_byte (mb, CEE_LDIND_I);
9687 mono_mb_emit_stloc (mb, 1);
9689 mono_mb_emit_ldloc (mb, 1);
9690 mono_mb_emit_byte (mb, CEE_LDC_I4);
9691 mono_mb_emit_i4 (mb, ~0x1);
9692 mono_mb_emit_byte (mb, CEE_CONV_U);
9693 mono_mb_emit_byte (mb, CEE_AND);
9694 mono_mb_emit_ldloc (mb, 0);
9695 /*if ((cached_vtable & ~0x1)== obj_vtable)*/
9696 cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
9698 /*return (cached_vtable & 0x1) ? NULL : obj;*/
9699 mono_mb_emit_ldloc (mb, 1);
9700 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9701 mono_mb_emit_byte (mb, CEE_CONV_U);
9702 mono_mb_emit_byte (mb, CEE_AND);
9703 negative_cache_hit_pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
9706 mono_mb_emit_ldarg (mb, 0);
9707 cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
9710 mono_mb_patch_branch (mb, negative_cache_hit_pos);
9711 mono_mb_emit_byte (mb, CEE_LDNULL);
9713 mono_mb_patch_branch (mb, cache_hit_pos);
9714 mono_mb_emit_byte (mb, CEE_RET);
9716 mono_mb_patch_branch (mb, cache_miss_pos);
9717 /*if (mono_object_isinst (obj, klass)) */
9718 mono_mb_emit_ldarg (mb, 0);
9719 mono_mb_emit_ldarg (mb, 1);
9720 mono_mb_emit_icall (mb, mono_object_isinst);
9721 not_an_instance_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
9723 /**cache = obj_vtable;*/
9724 mono_mb_emit_ldarg (mb, 2);
9725 mono_mb_emit_ldloc (mb, 0);
9726 mono_mb_emit_byte (mb, CEE_STIND_I);
9729 mono_mb_emit_ldarg (mb, 0);
9730 mono_mb_emit_byte (mb, CEE_RET);
9733 mono_mb_patch_branch (mb, not_an_instance_pos);
9734 /* *cache = (gpointer)(obj_vtable | 0x1);*/
9735 mono_mb_emit_ldarg (mb, 2);
9736 /*obj_vtable | 0x1*/
9737 mono_mb_emit_ldloc (mb, 0);
9738 mono_mb_emit_byte(mb, CEE_LDC_I4_1);
9739 mono_mb_emit_byte (mb, CEE_CONV_U);
9740 mono_mb_emit_byte (mb, CEE_OR);
9743 mono_mb_emit_byte (mb, CEE_STIND_I);
9746 mono_mb_patch_branch (mb, return_null_pos);
9747 mono_mb_emit_byte (mb, CEE_LDNULL);
9748 mono_mb_emit_byte (mb, CEE_RET);
9751 res = mono_mb_create_method (mb, sig, 8);
9752 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
9753 mono_marshal_set_wrapper_info (res, info);
9756 if (InterlockedCompareExchangePointer ((volatile gpointer *)&cached, res, NULL)) {
9757 mono_free_method (res);
9758 mono_metadata_free_method_signature (sig);
9766 * mono_marshal_get_isinst:
9767 * @klass: the type of the field
9769 * This method generates a function which can be used to check if an object is
9770 * an instance of the given type, icluding the case where the object is a proxy.
9771 * The generated function has the following signature:
9772 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
9775 mono_marshal_get_isinst (MonoClass *klass)
9777 static MonoMethodSignature *isint_sig = NULL;
9780 int pos_was_ok, pos_end;
9781 #ifndef DISABLE_REMOTING
9782 int pos_end2, pos_failed;
9785 MonoMethodBuilder *mb;
9787 cache = get_cache (&klass->image->isinst_cache, mono_aligned_addr_hash, NULL);
9788 if ((res = mono_marshal_find_in_cache (cache, klass)))
9792 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9793 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9794 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9795 isint_sig->pinvoke = 0;
9798 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
9799 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
9802 mb->method->save_lmf = 1;
9805 /* check if the object is a proxy that needs special cast */
9806 mono_mb_emit_ldarg (mb, 0);
9807 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9808 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
9810 /* The result of MONO_CISINST can be:
9811 0) the type check succeeded
9812 1) the type check did not succeed
9813 2) a CanCastTo call is needed */
9814 #ifndef DISABLE_REMOTING
9815 mono_mb_emit_byte (mb, CEE_DUP);
9816 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9818 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
9819 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
9821 /* get the real proxy from the transparent proxy*/
9823 mono_mb_emit_ldarg (mb, 0);
9824 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9825 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9829 mono_mb_patch_branch (mb, pos_failed);
9830 mono_mb_emit_byte (mb, CEE_LDNULL);
9831 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
9835 mono_mb_patch_branch (mb, pos_was_ok);
9836 mono_mb_emit_byte (mb, CEE_POP);
9837 mono_mb_emit_ldarg (mb, 0);
9841 mono_mb_patch_branch (mb, pos_end);
9842 mono_mb_patch_branch (mb, pos_end2);
9843 mono_mb_emit_byte (mb, CEE_RET);
9845 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9849 mono_mb_emit_byte (mb, CEE_LDNULL);
9850 pos_end = mono_mb_emit_branch (mb, CEE_BR);
9854 mono_mb_patch_branch (mb, pos_was_ok);
9855 mono_mb_emit_ldarg (mb, 0);
9859 mono_mb_patch_branch (mb, pos_end);
9860 mono_mb_emit_byte (mb, CEE_RET);
9861 #endif /* DISABLE_REMOTING */
9862 #endif /* DISABLE_JIT */
9864 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
9871 * mono_marshal_get_castclass:
9872 * @klass: the type of the field
9874 * This method generates a function which can be used to cast an object to
9875 * an instance of the given type, icluding the case where the object is a proxy.
9876 * The generated function has the following signature:
9877 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
9878 * The wrapper info for the wrapper is a WrapperInfo structure.
9881 mono_marshal_get_castclass (MonoClass *klass)
9883 static MonoMethodSignature *castclass_sig = NULL;
9886 #ifndef DISABLE_REMOTING
9887 int pos_was_ok, pos_was_ok2;
9890 MonoMethodBuilder *mb;
9893 cache = get_cache (&klass->image->castclass_cache, mono_aligned_addr_hash, NULL);
9894 if ((res = mono_marshal_find_in_cache (cache, klass)))
9897 if (!castclass_sig) {
9898 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9899 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
9900 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
9901 castclass_sig->pinvoke = 0;
9904 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
9905 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
9908 mb->method->save_lmf = 1;
9911 /* check if the object is a proxy that needs special cast */
9912 mono_mb_emit_ldarg (mb, 0);
9913 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
9914 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
9916 /* The result of MONO_CCASTCLASS can be:
9917 0) the cast is valid
9918 1) cast of unknown proxy type
9919 or an exception if the cast is is invalid
9921 #ifndef DISABLE_REMOTING
9922 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
9924 /* get the real proxy from the transparent proxy*/
9926 mono_mb_emit_ldarg (mb, 0);
9927 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
9928 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
9931 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
9934 mono_mb_patch_branch (mb, pos_was_ok);
9935 mono_mb_patch_branch (mb, pos_was_ok2);
9937 /* MONO_CCASTCLASS leaves an int in the stack with the result, pop it. */
9938 mono_mb_emit_byte (mb, CEE_POP);
9939 #endif /* DISABLE_REMOTING */
9941 mono_mb_emit_ldarg (mb, 0);
9944 mono_mb_emit_byte (mb, CEE_RET);
9945 #endif /* DISABLE_JIT */
9947 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
9950 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_NONE);
9951 mono_marshal_set_wrapper_info (res, info);
9956 #ifndef DISABLE_REMOTING
9958 mono_marshal_get_proxy_cancast (MonoClass *klass)
9960 static MonoMethodSignature *isint_sig = NULL;
9963 int pos_failed, pos_end;
9964 char *name, *klass_name;
9965 MonoMethod *can_cast_to;
9966 MonoMethodDesc *desc;
9967 MonoMethodBuilder *mb;
9969 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
9970 if ((res = mono_marshal_find_in_cache (cache, klass)))
9974 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
9975 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
9976 isint_sig->ret = &mono_defaults.object_class->byval_arg;
9977 isint_sig->pinvoke = 0;
9980 klass_name = mono_type_full_name (&klass->byval_arg);
9981 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
9982 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
9983 g_free (klass_name);
9986 mb->method->save_lmf = 1;
9989 /* get the real proxy from the transparent proxy*/
9990 mono_mb_emit_ldarg (mb, 0);
9991 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
9992 mono_mb_emit_byte (mb, CEE_LDIND_REF);
9994 /* get the reflection type from the type handle */
9995 mono_mb_emit_ptr (mb, &klass->byval_arg);
9996 mono_mb_emit_icall (mb, type_from_handle);
9998 mono_mb_emit_ldarg (mb, 0);
10000 /* make the call to CanCastTo (type, ob) */
10001 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
10002 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
10003 g_assert (can_cast_to);
10004 mono_method_desc_free (desc);
10005 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
10007 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
10009 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
10010 mono_mb_emit_ptr (mb, &klass->byval_arg);
10011 mono_mb_emit_icall (mb, type_from_handle);
10012 mono_mb_emit_ldarg (mb, 0);
10014 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
10015 emit_thread_interrupt_checkpoint (mb);
10017 mono_mb_emit_ldarg (mb, 0);
10018 pos_end = mono_mb_emit_branch (mb, CEE_BR);
10022 mono_mb_patch_branch (mb, pos_failed);
10023 mono_mb_emit_byte (mb, CEE_LDNULL);
10027 mono_mb_patch_branch (mb, pos_end);
10028 mono_mb_emit_byte (mb, CEE_RET);
10031 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
10038 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
10041 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
10042 klass = mono_class_from_mono_type (rtype->type);
10043 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
10045 #endif /*DISABLE_REMOTING */
10048 * mono_marshal_get_struct_to_ptr:
10051 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
10052 * The wrapper info for the wrapper is a WrapperInfo structure.
10055 mono_marshal_get_struct_to_ptr (MonoClass *klass)
10057 MonoMethodBuilder *mb;
10058 static MonoMethod *stoptr = NULL;
10062 g_assert (klass != NULL);
10064 mono_marshal_load_type_info (klass);
10066 if (klass->marshal_info->str_to_ptr)
10067 return klass->marshal_info->str_to_ptr;
10070 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
10073 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
10075 #ifndef DISABLE_JIT
10076 if (klass->blittable) {
10077 mono_mb_emit_byte (mb, CEE_LDARG_1);
10078 mono_mb_emit_byte (mb, CEE_LDARG_0);
10079 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10080 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10081 mono_mb_emit_byte (mb, CEE_PREFIX1);
10082 mono_mb_emit_byte (mb, CEE_CPBLK);
10085 /* allocate local 0 (pointer) src_ptr */
10086 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10087 /* allocate local 1 (pointer) dst_ptr */
10088 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10089 /* allocate local 2 (boolean) delete_old */
10090 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
10091 mono_mb_emit_byte (mb, CEE_LDARG_2);
10092 mono_mb_emit_stloc (mb, 2);
10094 /* initialize src_ptr to point to the start of object data */
10095 mono_mb_emit_byte (mb, CEE_LDARG_0);
10096 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10097 mono_mb_emit_stloc (mb, 0);
10099 /* initialize dst_ptr */
10100 mono_mb_emit_byte (mb, CEE_LDARG_1);
10101 mono_mb_emit_stloc (mb, 1);
10103 emit_struct_conv (mb, klass, FALSE);
10106 mono_mb_emit_byte (mb, CEE_RET);
10109 res = mono_mb_create_method (mb, mono_signature_no_pinvoke (stoptr), 0);
10112 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
10113 mono_marshal_set_wrapper_info (res, info);
10115 klass->marshal_info->str_to_ptr = res;
10120 * mono_marshal_get_ptr_to_struct:
10123 * generates IL code for PtrToStructure (IntPtr src, object structure)
10124 * The wrapper info for the wrapper is a WrapperInfo structure.
10127 mono_marshal_get_ptr_to_struct (MonoClass *klass)
10129 MonoMethodBuilder *mb;
10130 static MonoMethodSignature *ptostr = NULL;
10134 g_assert (klass != NULL);
10136 mono_marshal_load_type_info (klass);
10138 if (klass->marshal_info->ptr_to_str)
10139 return klass->marshal_info->ptr_to_str;
10142 MonoMethodSignature *sig;
10144 /* Create the signature corresponding to
10145 static void PtrToStructure (IntPtr ptr, object structure);
10146 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
10147 sig = mono_create_icall_signature ("void ptr object");
10148 sig = signature_dup (mono_defaults.corlib, sig);
10150 mono_memory_barrier ();
10154 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
10156 #ifndef DISABLE_JIT
10157 if (klass->blittable) {
10158 mono_mb_emit_byte (mb, CEE_LDARG_1);
10159 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
10160 mono_mb_emit_byte (mb, CEE_LDARG_0);
10161 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
10162 mono_mb_emit_byte (mb, CEE_PREFIX1);
10163 mono_mb_emit_byte (mb, CEE_CPBLK);
10166 /* allocate local 0 (pointer) src_ptr */
10167 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10168 /* allocate local 1 (pointer) dst_ptr */
10169 mono_mb_add_local (mb, &klass->this_arg);
10171 /* initialize src_ptr to point to the start of object data */
10172 mono_mb_emit_byte (mb, CEE_LDARG_0);
10173 mono_mb_emit_stloc (mb, 0);
10175 /* initialize dst_ptr */
10176 mono_mb_emit_byte (mb, CEE_LDARG_1);
10177 mono_mb_emit_op (mb, CEE_UNBOX, klass);
10178 mono_mb_emit_stloc (mb, 1);
10180 emit_struct_conv (mb, klass, TRUE);
10183 mono_mb_emit_byte (mb, CEE_RET);
10186 res = mono_mb_create_method (mb, ptostr, 0);
10189 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
10190 mono_marshal_set_wrapper_info (res, info);
10192 klass->marshal_info->ptr_to_str = res;
10197 * Return a dummy wrapper for METHOD which is called by synchronized wrappers.
10198 * This is used to avoid infinite recursion since it is hard to determine where to
10199 * replace a method with its synchronized wrapper, and where not.
10200 * The runtime should execute METHOD instead of the wrapper.
10201 * The wrapper info for the wrapper is a WrapperInfo structure.
10204 mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
10206 MonoMethodBuilder *mb;
10208 MonoMethodSignature *sig;
10211 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
10212 #ifndef DISABLE_JIT
10213 mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
10214 mono_mb_emit_byte (mb, CEE_RET);
10216 sig = signature_dup (method->klass->image, mono_method_signature (method));
10217 res = mono_mb_create_method (mb, sig, 0);
10219 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
10220 info->d.synchronized_inner.method = method;
10221 mono_marshal_set_wrapper_info (res, info);
10226 * generates IL code for the synchronized wrapper: the generated method
10227 * calls METHOD while locking 'this' or the parent type.
10230 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
10232 static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
10233 MonoMethodSignature *sig;
10234 MonoExceptionClause *clause;
10235 MonoMethodBuilder *mb;
10238 int i, pos, this_local, ret_local = 0;
10242 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
10245 cache = get_cache (&method->klass->image->synchronized_cache, mono_aligned_addr_hash, NULL);
10246 if ((res = mono_marshal_find_in_cache (cache, method)))
10249 sig = signature_dup (method->klass->image, mono_method_signature (method));
10252 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
10254 #ifndef DISABLE_JIT
10256 if (!MONO_TYPE_IS_VOID (sig->ret))
10257 ret_local = mono_mb_add_local (mb, sig->ret);
10260 if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
10261 mono_class_set_failure (method->klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
10262 #ifndef DISABLE_JIT
10263 /* This will throw the type load exception when the wrapper is compiled */
10264 mono_mb_emit_byte (mb, CEE_LDNULL);
10265 mono_mb_emit_op (mb, CEE_ISINST, method->klass);
10266 mono_mb_emit_byte (mb, CEE_POP);
10268 if (!MONO_TYPE_IS_VOID (sig->ret))
10269 mono_mb_emit_ldloc (mb, ret_local);
10270 mono_mb_emit_byte (mb, CEE_RET);
10273 res = mono_mb_create_and_cache (cache, method,
10274 mb, sig, sig->param_count + 16);
10280 #ifndef DISABLE_JIT
10282 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
10284 clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
10285 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
10288 mono_loader_lock ();
10290 if (!enter_method) {
10291 MonoMethodDesc *desc;
10293 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
10294 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10295 g_assert (enter_method);
10296 mono_method_desc_free (desc);
10298 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
10299 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
10300 g_assert (exit_method);
10301 mono_method_desc_free (desc);
10303 desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
10304 gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.monotype_class->parent);
10305 g_assert (gettypefromhandle_method);
10306 mono_method_desc_free (desc);
10309 mono_loader_unlock ();
10311 #ifndef DISABLE_JIT
10312 /* Push this or the type object */
10313 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
10314 /* We have special handling for this in the JIT */
10315 int index = mono_mb_add_data (mb, method->klass);
10316 mono_mb_add_data (mb, mono_defaults.typehandle_class);
10317 mono_mb_emit_byte (mb, CEE_LDTOKEN);
10318 mono_mb_emit_i4 (mb, index);
10320 mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
10323 mono_mb_emit_ldarg (mb, 0);
10324 mono_mb_emit_stloc (mb, this_local);
10326 /* Call Monitor::Enter() */
10327 mono_mb_emit_ldloc (mb, this_local);
10328 mono_mb_emit_managed_call (mb, enter_method, NULL);
10330 clause->try_offset = mono_mb_get_label (mb);
10332 /* Call the method */
10334 mono_mb_emit_ldarg (mb, 0);
10335 for (i = 0; i < sig->param_count; i++)
10336 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
10338 mono_mb_emit_managed_call (mb, method, NULL);
10340 if (!MONO_TYPE_IS_VOID (sig->ret))
10341 mono_mb_emit_stloc (mb, ret_local);
10343 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
10345 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
10346 clause->handler_offset = mono_mb_get_label (mb);
10348 /* Call Monitor::Exit() */
10349 mono_mb_emit_ldloc (mb, this_local);
10350 mono_mb_emit_managed_call (mb, exit_method, NULL);
10351 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
10353 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
10355 mono_mb_patch_branch (mb, pos);
10356 if (!MONO_TYPE_IS_VOID (sig->ret))
10357 mono_mb_emit_ldloc (mb, ret_local);
10358 mono_mb_emit_byte (mb, CEE_RET);
10360 mono_mb_set_clauses (mb, 1, clause);
10363 res = mono_mb_create_and_cache (cache, method,
10364 mb, sig, sig->param_count + 16);
10372 * the returned method calls 'method' unboxing the this argument
10375 mono_marshal_get_unbox_wrapper (MonoMethod *method)
10377 MonoMethodSignature *sig = mono_method_signature (method);
10379 MonoMethodBuilder *mb;
10383 cache = get_cache (&method->klass->image->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
10384 if ((res = mono_marshal_find_in_cache (cache, method)))
10387 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
10389 g_assert (sig->hasthis);
10391 #ifndef DISABLE_JIT
10392 mono_mb_emit_ldarg (mb, 0);
10393 mono_mb_emit_icon (mb, sizeof (MonoObject));
10394 mono_mb_emit_byte (mb, CEE_ADD);
10395 for (i = 0; i < sig->param_count; ++i)
10396 mono_mb_emit_ldarg (mb, i + 1);
10397 mono_mb_emit_managed_call (mb, method, NULL);
10398 mono_mb_emit_byte (mb, CEE_RET);
10401 res = mono_mb_create_and_cache (cache, method,
10402 mb, sig, sig->param_count + 16);
10405 /* code_for (res); */
10411 STELEMREF_OBJECT, /*no check at all*/
10412 STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
10413 STELEMREF_CLASS, /*only the klass->parents check*/
10414 STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
10415 STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
10416 STELEMREF_KIND_COUNT
10419 static const char *strelemref_wrapper_name[] = {
10420 "object", "sealed_class", "class", "interface", "complex"
10424 is_monomorphic_array (MonoClass *klass)
10426 MonoClass *element_class;
10427 if (klass->rank != 1)
10430 element_class = klass->element_class;
10431 return (element_class->flags & TYPE_ATTRIBUTE_SEALED) || element_class->valuetype;
10435 get_virtual_stelemref_kind (MonoClass *element_class)
10437 if (element_class == mono_defaults.object_class)
10438 return STELEMREF_OBJECT;
10439 if (is_monomorphic_array (element_class))
10440 return STELEMREF_SEALED_CLASS;
10441 /* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
10442 if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
10443 #ifdef COMPRESSED_INTERFACE_BITMAP
10444 return STELEMREF_COMPLEX;
10446 return STELEMREF_INTERFACE;
10448 /*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
10449 if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
10450 return STELEMREF_COMPLEX;
10451 if (element_class->flags & TYPE_ATTRIBUTE_SEALED)
10452 return STELEMREF_SEALED_CLASS;
10453 return STELEMREF_CLASS;
10456 #ifndef DISABLE_JIT
10459 load_array_element_address (MonoMethodBuilder *mb)
10461 mono_mb_emit_ldarg (mb, 0);
10462 mono_mb_emit_ldarg (mb, 1);
10463 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10467 load_array_class (MonoMethodBuilder *mb, int aklass)
10469 mono_mb_emit_ldarg (mb, 0);
10470 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10471 mono_mb_emit_byte (mb, CEE_LDIND_I);
10472 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10473 mono_mb_emit_byte (mb, CEE_LDIND_I);
10474 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10475 mono_mb_emit_byte (mb, CEE_LDIND_I);
10476 mono_mb_emit_stloc (mb, aklass);
10480 load_value_class (MonoMethodBuilder *mb, int vklass)
10482 mono_mb_emit_ldarg (mb, 2);
10483 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10484 mono_mb_emit_byte (mb, CEE_LDIND_I);
10485 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10486 mono_mb_emit_byte (mb, CEE_LDIND_I);
10487 mono_mb_emit_stloc (mb, vklass);
10493 record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
10495 char *name = mono_type_get_full_name (array->vtable->klass->element_class);
10496 printf ("slow vstore of %s\n", name);
10502 * The wrapper info for the wrapper is a WrapperInfo structure.
10505 * - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
10506 * - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
10507 * - Maybe mve some MonoClass field into the vtable to reduce the number of loads
10508 * - Add a case for arrays of arrays.
10511 get_virtual_stelemref_wrapper (int kind)
10513 static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
10514 static MonoMethodSignature *signature;
10515 MonoMethodBuilder *mb;
10518 const char *param_names [16];
10519 guint32 b1, b2, b3;
10520 int aklass, vklass, vtable, uiid;
10521 int array_slot_addr;
10524 if (cached_methods [kind])
10525 return cached_methods [kind];
10527 name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
10528 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
10532 MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
10534 /* void this::stelemref (size_t idx, void* value) */
10535 sig->ret = &mono_defaults.void_class->byval_arg;
10536 sig->hasthis = TRUE;
10537 sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10538 sig->params [1] = &mono_defaults.object_class->byval_arg;
10542 #ifndef DISABLE_JIT
10543 param_names [0] = "index";
10544 param_names [1] = "value";
10545 mono_mb_set_param_names (mb, param_names);
10547 /*For now simply call plain old stelemref*/
10549 case STELEMREF_OBJECT:
10550 /* ldelema (implicit bound check) */
10551 load_array_element_address (mb);
10553 mono_mb_emit_ldarg (mb, 2);
10554 mono_mb_emit_byte (mb, CEE_STIND_REF);
10555 mono_mb_emit_byte (mb, CEE_RET);
10558 case STELEMREF_COMPLEX:
10560 <ldelema (bound check)>
10563 if (!mono_object_isinst (value, aklass))
10567 *array_slot_addr = value;
10570 throw new ArrayTypeMismatchException ();
10573 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10574 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10578 /*Use this to debug/record stores that are going thru the slow path*/
10579 MonoMethodSignature *csig;
10580 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10581 csig->ret = &mono_defaults.void_class->byval_arg;
10582 csig->params [0] = &mono_defaults.object_class->byval_arg;
10583 csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10584 csig->params [2] = &mono_defaults.object_class->byval_arg;
10585 mono_mb_emit_ldarg (mb, 0);
10586 mono_mb_emit_ldarg (mb, 1);
10587 mono_mb_emit_ldarg (mb, 2);
10588 mono_mb_emit_native_call (mb, csig, record_slot_vstore);
10592 /* ldelema (implicit bound check) */
10593 load_array_element_address (mb);
10594 mono_mb_emit_stloc (mb, array_slot_addr);
10596 /* if (!value) goto do_store */
10597 mono_mb_emit_ldarg (mb, 2);
10598 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10600 /* aklass = array->vtable->klass->element_class */
10601 load_array_class (mb, aklass);
10603 /*if (mono_object_isinst (value, aklass)) */
10604 mono_mb_emit_ldarg (mb, 2);
10605 mono_mb_emit_ldloc (mb, aklass);
10606 mono_mb_emit_icall (mb, mono_object_isinst);
10607 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10610 mono_mb_patch_branch (mb, b1);
10611 mono_mb_emit_ldloc (mb, array_slot_addr);
10612 mono_mb_emit_ldarg (mb, 2);
10613 mono_mb_emit_byte (mb, CEE_STIND_REF);
10614 mono_mb_emit_byte (mb, CEE_RET);
10616 /* do_exception: */
10617 mono_mb_patch_branch (mb, b2);
10619 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10622 case STELEMREF_SEALED_CLASS:
10624 <ldelema (bound check)>
10628 aklass = array->vtable->klass->element_class;
10629 vklass = value->vtable->klass;
10631 if (vklass != aklass)
10635 *array_slot_addr = value;
10638 throw new ArrayTypeMismatchException ();
10640 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10641 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10642 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10645 /* ldelema (implicit bound check) */
10646 load_array_element_address (mb);
10647 mono_mb_emit_stloc (mb, array_slot_addr);
10649 /* if (!value) goto do_store */
10650 mono_mb_emit_ldarg (mb, 2);
10651 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10653 /* aklass = array->vtable->klass->element_class */
10654 load_array_class (mb, aklass);
10656 /* vklass = value->vtable->klass */
10657 load_value_class (mb, vklass);
10659 /*if (vklass != aklass) goto do_exception; */
10660 mono_mb_emit_ldloc (mb, aklass);
10661 mono_mb_emit_ldloc (mb, vklass);
10662 b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10665 mono_mb_patch_branch (mb, b1);
10666 mono_mb_emit_ldloc (mb, array_slot_addr);
10667 mono_mb_emit_ldarg (mb, 2);
10668 mono_mb_emit_byte (mb, CEE_STIND_REF);
10669 mono_mb_emit_byte (mb, CEE_RET);
10671 /* do_exception: */
10672 mono_mb_patch_branch (mb, b2);
10673 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10676 case STELEMREF_CLASS:
10679 <ldelema (bound check)>
10683 aklass = array->vtable->klass->element_class;
10684 vklass = value->vtable->klass;
10686 if (vklass->idepth < aklass->idepth)
10689 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10693 *array_slot_addr = value;
10697 throw new ArrayTypeMismatchException ();
10699 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10700 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10701 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10703 /* ldelema (implicit bound check) */
10704 load_array_element_address (mb);
10705 mono_mb_emit_stloc (mb, array_slot_addr);
10707 /* if (!value) goto do_store */
10708 mono_mb_emit_ldarg (mb, 2);
10709 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10711 /* aklass = array->vtable->klass->element_class */
10712 load_array_class (mb, aklass);
10714 /* vklass = value->vtable->klass */
10715 load_value_class (mb, vklass);
10717 /*if (mono_object_isinst (value, aklass)) */
10718 mono_mb_emit_ldarg (mb, 2);
10719 mono_mb_emit_ldloc (mb, aklass);
10720 mono_mb_emit_icall (mb, mono_object_isinst);
10721 b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10723 /* if (vklass->idepth < aklass->idepth) goto failue */
10724 mono_mb_emit_ldloc (mb, vklass);
10725 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10726 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10728 mono_mb_emit_ldloc (mb, aklass);
10729 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10730 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10732 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
10734 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
10735 mono_mb_emit_ldloc (mb, vklass);
10736 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
10737 mono_mb_emit_byte (mb, CEE_LDIND_I);
10739 mono_mb_emit_ldloc (mb, aklass);
10740 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
10741 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10742 mono_mb_emit_icon (mb, 1);
10743 mono_mb_emit_byte (mb, CEE_SUB);
10744 mono_mb_emit_icon (mb, sizeof (void*));
10745 mono_mb_emit_byte (mb, CEE_MUL);
10746 mono_mb_emit_byte (mb, CEE_ADD);
10747 mono_mb_emit_byte (mb, CEE_LDIND_I);
10749 mono_mb_emit_ldloc (mb, aklass);
10750 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
10753 mono_mb_patch_branch (mb, b1);
10754 mono_mb_emit_ldloc (mb, array_slot_addr);
10755 mono_mb_emit_ldarg (mb, 2);
10756 mono_mb_emit_byte (mb, CEE_STIND_REF);
10757 mono_mb_emit_byte (mb, CEE_RET);
10759 /* do_exception: */
10760 mono_mb_patch_branch (mb, b2);
10761 mono_mb_patch_branch (mb, b3);
10763 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10766 case STELEMREF_INTERFACE:
10773 klass = array->obj.vtable->klass->element_class;
10774 vt = value->vtable;
10775 uiid = klass->interface_id;
10776 if (uiid > vt->max_interface_id)
10778 if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
10781 mono_array_setref (array, index, value);
10784 mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
10786 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10787 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10788 vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10789 uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
10791 /* ldelema (implicit bound check) */
10792 load_array_element_address (mb);
10793 mono_mb_emit_stloc (mb, array_slot_addr);
10795 /* if (!value) goto do_store */
10796 mono_mb_emit_ldarg (mb, 2);
10797 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10799 /* klass = array->vtable->klass->element_class */
10800 load_array_class (mb, aklass);
10802 /* vt = value->vtable */
10803 mono_mb_emit_ldarg (mb, 2);
10804 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10805 mono_mb_emit_byte (mb, CEE_LDIND_I);
10806 mono_mb_emit_stloc (mb, vtable);
10808 /* uiid = klass->interface_id; */
10809 mono_mb_emit_ldloc (mb, aklass);
10810 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, interface_id));
10811 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10812 mono_mb_emit_stloc (mb, uiid);
10814 /*if (uiid > vt->max_interface_id)*/
10815 mono_mb_emit_ldloc (mb, uiid);
10816 mono_mb_emit_ldloc (mb, vtable);
10817 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, max_interface_id));
10818 mono_mb_emit_byte (mb, CEE_LDIND_U2);
10819 b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
10821 /* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
10823 /*vt->interface_bitmap*/
10824 mono_mb_emit_ldloc (mb, vtable);
10825 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, interface_bitmap));
10826 mono_mb_emit_byte (mb, CEE_LDIND_I);
10829 mono_mb_emit_ldloc (mb, uiid);
10830 mono_mb_emit_icon (mb, 3);
10831 mono_mb_emit_byte (mb, CEE_SHR_UN);
10833 /*vt->interface_bitmap [(uiid) >> 3]*/
10834 mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
10835 mono_mb_emit_byte (mb, CEE_LDIND_U1);
10837 /*(1 << ((uiid)&7)))*/
10838 mono_mb_emit_icon (mb, 1);
10839 mono_mb_emit_ldloc (mb, uiid);
10840 mono_mb_emit_icon (mb, 7);
10841 mono_mb_emit_byte (mb, CEE_AND);
10842 mono_mb_emit_byte (mb, CEE_SHL);
10844 /*bitwise and the whole thing*/
10845 mono_mb_emit_byte (mb, CEE_AND);
10846 b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10849 mono_mb_patch_branch (mb, b1);
10850 mono_mb_emit_ldloc (mb, array_slot_addr);
10851 mono_mb_emit_ldarg (mb, 2);
10852 mono_mb_emit_byte (mb, CEE_STIND_REF);
10853 mono_mb_emit_byte (mb, CEE_RET);
10855 /* do_exception: */
10856 mono_mb_patch_branch (mb, b2);
10857 mono_mb_patch_branch (mb, b3);
10858 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
10862 mono_mb_emit_ldarg (mb, 0);
10863 mono_mb_emit_ldarg (mb, 1);
10864 mono_mb_emit_ldarg (mb, 2);
10865 mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
10866 mono_mb_emit_byte (mb, CEE_RET);
10869 #endif /* DISABLE_JIT */
10871 res = mono_mb_create_method (mb, signature, 4);
10872 res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
10874 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
10875 info->d.virtual_stelemref.kind = kind;
10876 mono_marshal_set_wrapper_info (res, info);
10878 mono_marshal_lock ();
10879 if (!cached_methods [kind]) {
10880 cached_methods [kind] = res;
10881 mono_marshal_unlock ();
10883 mono_marshal_unlock ();
10884 mono_free_method (res);
10888 return cached_methods [kind];
10892 mono_marshal_get_virtual_stelemref (MonoClass *array_class)
10896 g_assert (array_class->rank == 1);
10897 kind = get_virtual_stelemref_kind (array_class->element_class);
10899 return get_virtual_stelemref_wrapper (kind);
10903 mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
10908 *nwrappers = STELEMREF_KIND_COUNT;
10909 res = g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
10910 for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
10911 res [i] = get_virtual_stelemref_wrapper (i);
10916 * The wrapper info for the wrapper is a WrapperInfo structure.
10919 mono_marshal_get_stelemref ()
10921 static MonoMethod* ret = NULL;
10922 MonoMethodSignature *sig;
10923 MonoMethodBuilder *mb;
10926 guint32 b1, b2, b3, b4;
10928 int aklass, vklass;
10929 int array_slot_addr;
10934 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
10937 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
10939 /* void stelemref (void* array, int idx, void* value) */
10940 sig->ret = &mono_defaults.void_class->byval_arg;
10941 sig->params [0] = &mono_defaults.object_class->byval_arg;
10942 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
10943 sig->params [2] = &mono_defaults.object_class->byval_arg;
10945 #ifndef DISABLE_JIT
10946 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10947 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
10948 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
10952 <ldelema (bound check)>
10956 aklass = array->vtable->klass->element_class;
10957 vklass = value->vtable->klass;
10959 if (vklass->idepth < aklass->idepth)
10962 if (vklass->supertypes [aklass->idepth - 1] != aklass)
10966 *array_slot_addr = value;
10970 if (mono_object_isinst (value, aklass))
10973 throw new ArrayTypeMismatchException ();
10976 /* ldelema (implicit bound check) */
10977 mono_mb_emit_ldarg (mb, 0);
10978 mono_mb_emit_ldarg (mb, 1);
10979 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
10980 mono_mb_emit_stloc (mb, array_slot_addr);
10982 /* if (!value) goto do_store */
10983 mono_mb_emit_ldarg (mb, 2);
10984 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
10986 /* aklass = array->vtable->klass->element_class */
10987 mono_mb_emit_ldarg (mb, 0);
10988 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10989 mono_mb_emit_byte (mb, CEE_LDIND_I);
10990 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
10991 mono_mb_emit_byte (mb, CEE_LDIND_I);
10992 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
10993 mono_mb_emit_byte (mb, CEE_LDIND_I);
10994 mono_mb_emit_stloc (mb, aklass);
10996 /* vklass = value->vtable->klass */
10997 mono_mb_emit_ldarg (mb, 2);
10998 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
10999 mono_mb_emit_byte (mb, CEE_LDIND_I);
11000 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
11001 mono_mb_emit_byte (mb, CEE_LDIND_I);
11002 mono_mb_emit_stloc (mb, vklass);
11004 /* if (vklass->idepth < aklass->idepth) goto failue */
11005 mono_mb_emit_ldloc (mb, vklass);
11006 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11007 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11009 mono_mb_emit_ldloc (mb, aklass);
11010 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11011 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11013 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
11015 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
11016 mono_mb_emit_ldloc (mb, vklass);
11017 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
11018 mono_mb_emit_byte (mb, CEE_LDIND_I);
11020 mono_mb_emit_ldloc (mb, aklass);
11021 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
11022 mono_mb_emit_byte (mb, CEE_LDIND_U2);
11023 mono_mb_emit_icon (mb, 1);
11024 mono_mb_emit_byte (mb, CEE_SUB);
11025 mono_mb_emit_icon (mb, sizeof (void*));
11026 mono_mb_emit_byte (mb, CEE_MUL);
11027 mono_mb_emit_byte (mb, CEE_ADD);
11028 mono_mb_emit_byte (mb, CEE_LDIND_I);
11030 mono_mb_emit_ldloc (mb, aklass);
11032 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
11034 copy_pos = mono_mb_get_label (mb);
11036 mono_mb_patch_branch (mb, b1);
11037 mono_mb_emit_ldloc (mb, array_slot_addr);
11038 mono_mb_emit_ldarg (mb, 2);
11039 mono_mb_emit_byte (mb, CEE_STIND_REF);
11041 mono_mb_emit_byte (mb, CEE_RET);
11044 mono_mb_patch_branch (mb, b2);
11045 mono_mb_patch_branch (mb, b3);
11047 mono_mb_emit_ldarg (mb, 2);
11048 mono_mb_emit_ldloc (mb, aklass);
11049 mono_mb_emit_icall (mb, mono_object_isinst);
11051 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
11052 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
11053 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
11055 mono_mb_emit_byte (mb, CEE_RET);
11058 ret = mono_mb_create_method (mb, sig, 4);
11061 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_NONE);
11062 mono_marshal_set_wrapper_info (ret, info);
11068 * mono_marshal_get_gsharedvt_in_wrapper:
11070 * This wrapper handles calls from normal code to gsharedvt code.
11072 * The wrapper info for the wrapper is a WrapperInfo structure.
11075 mono_marshal_get_gsharedvt_in_wrapper (void)
11077 static MonoMethod* ret = NULL;
11078 MonoMethodSignature *sig;
11079 MonoMethodBuilder *mb;
11085 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
11087 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11088 sig->ret = &mono_defaults.void_class->byval_arg;
11090 #ifndef DISABLE_JIT
11092 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11094 mono_mb_emit_byte (mb, CEE_RET);
11097 ret = mono_mb_create_method (mb, sig, 4);
11100 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_IN);
11101 mono_marshal_set_wrapper_info (ret, info);
11107 * mono_marshal_get_gsharedvt_out_wrapper:
11109 * This wrapper handles calls from gsharedvt code to normal code.
11111 * The wrapper info for the wrapper is a WrapperInfo structure.
11114 mono_marshal_get_gsharedvt_out_wrapper (void)
11116 static MonoMethod* ret = NULL;
11117 MonoMethodSignature *sig;
11118 MonoMethodBuilder *mb;
11124 mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
11126 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
11127 sig->ret = &mono_defaults.void_class->byval_arg;
11129 #ifndef DISABLE_JIT
11131 * The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
11133 mono_mb_emit_byte (mb, CEE_RET);
11136 ret = mono_mb_create_method (mb, sig, 4);
11139 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
11140 mono_marshal_set_wrapper_info (ret, info);
11148 MonoMethod *method;
11151 /* LOCKING: vars accessed under the marshal lock */
11152 static ArrayElemAddr *elem_addr_cache = NULL;
11153 static int elem_addr_cache_size = 0;
11154 static int elem_addr_cache_next = 0;
11157 * mono_marshal_get_array_address:
11158 * @rank: rank of the array type
11159 * @elem_size: size in bytes of an element of an array.
11161 * Returns a MonoMethd that implements the code to get the address
11162 * of an element in a multi-dimenasional array of @rank dimensions.
11163 * The returned method takes an array as the first argument and then
11164 * @rank indexes for the @rank dimensions.
11167 mono_marshal_get_array_address (int rank, int elem_size)
11170 MonoMethodBuilder *mb;
11171 MonoMethodSignature *sig;
11172 int i, bounds, ind, realidx;
11173 int branch_pos, *branch_positions;
11177 mono_marshal_lock ();
11178 for (i = 0; i < elem_addr_cache_next; ++i) {
11179 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11180 ret = elem_addr_cache [i].method;
11184 mono_marshal_unlock ();
11188 branch_positions = g_new0 (int, rank);
11190 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
11192 /* void* address (void* array, int idx0, int idx1, int idx2, ...) */
11193 sig->ret = &mono_defaults.int_class->byval_arg;
11194 sig->params [0] = &mono_defaults.object_class->byval_arg;
11195 for (i = 0; i < rank; ++i) {
11196 sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
11199 mb = mono_mb_new (mono_defaults.object_class, "ElementAddr", MONO_WRAPPER_MANAGED_TO_MANAGED);
11201 #ifndef DISABLE_JIT
11202 bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
11203 ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11204 realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
11206 /* bounds = array->bounds; */
11207 mono_mb_emit_ldarg (mb, 0);
11208 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, bounds));
11209 mono_mb_emit_byte (mb, CEE_LDIND_I);
11210 mono_mb_emit_stloc (mb, bounds);
11212 /* ind is the overall element index, realidx is the partial index in a single dimension */
11213 /* ind = idx0 - bounds [0].lower_bound */
11214 mono_mb_emit_ldarg (mb, 1);
11215 mono_mb_emit_ldloc (mb, bounds);
11216 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11217 mono_mb_emit_byte (mb, CEE_ADD);
11218 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11219 mono_mb_emit_byte (mb, CEE_SUB);
11220 mono_mb_emit_stloc (mb, ind);
11221 /* if (ind >= bounds [0].length) goto exeception; */
11222 mono_mb_emit_ldloc (mb, ind);
11223 mono_mb_emit_ldloc (mb, bounds);
11224 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArrayBounds, length));
11225 mono_mb_emit_byte (mb, CEE_ADD);
11226 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11227 /* note that we use unsigned comparison */
11228 branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
11230 /* For large ranks (> 4?) use a loop n IL later to reduce code size.
11231 * We could also decide to ignore the passed elem_size and get it
11232 * from the array object, to reduce the number of methods we generate:
11233 * the additional cost is 3 memory loads and a non-immediate mul.
11235 for (i = 1; i < rank; ++i) {
11236 /* realidx = idxi - bounds [i].lower_bound */
11237 mono_mb_emit_ldarg (mb, 1 + i);
11238 mono_mb_emit_ldloc (mb, bounds);
11239 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
11240 mono_mb_emit_byte (mb, CEE_ADD);
11241 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11242 mono_mb_emit_byte (mb, CEE_SUB);
11243 mono_mb_emit_stloc (mb, realidx);
11244 /* if (realidx >= bounds [i].length) goto exeception; */
11245 mono_mb_emit_ldloc (mb, realidx);
11246 mono_mb_emit_ldloc (mb, bounds);
11247 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11248 mono_mb_emit_byte (mb, CEE_ADD);
11249 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11250 branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
11251 /* ind = ind * bounds [i].length + realidx */
11252 mono_mb_emit_ldloc (mb, ind);
11253 mono_mb_emit_ldloc (mb, bounds);
11254 mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + G_STRUCT_OFFSET (MonoArrayBounds, length));
11255 mono_mb_emit_byte (mb, CEE_ADD);
11256 mono_mb_emit_byte (mb, CEE_LDIND_I4);
11257 mono_mb_emit_byte (mb, CEE_MUL);
11258 mono_mb_emit_ldloc (mb, realidx);
11259 mono_mb_emit_byte (mb, CEE_ADD);
11260 mono_mb_emit_stloc (mb, ind);
11263 /* return array->vector + ind * element_size */
11264 mono_mb_emit_ldarg (mb, 0);
11265 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
11266 mono_mb_emit_ldloc (mb, ind);
11267 mono_mb_emit_icon (mb, elem_size);
11268 mono_mb_emit_byte (mb, CEE_MUL);
11269 mono_mb_emit_byte (mb, CEE_ADD);
11270 mono_mb_emit_byte (mb, CEE_RET);
11272 /* patch the branches to get here and throw */
11273 for (i = 1; i < rank; ++i) {
11274 mono_mb_patch_branch (mb, branch_positions [i]);
11276 mono_mb_patch_branch (mb, branch_pos);
11277 /* throw exception */
11278 mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
11280 g_free (branch_positions);
11281 #endif /* DISABLE_JIT */
11283 ret = mono_mb_create_method (mb, sig, 4);
11286 /* cache the result */
11288 mono_marshal_lock ();
11289 for (i = 0; i < elem_addr_cache_next; ++i) {
11290 if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
11291 /* FIXME: free ret */
11292 ret = elem_addr_cache [i].method;
11300 if (elem_addr_cache_next >= elem_addr_cache_size) {
11301 int new_size = elem_addr_cache_size + 4;
11302 ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
11303 memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
11304 g_free (elem_addr_cache);
11305 elem_addr_cache = new_array;
11306 elem_addr_cache_size = new_size;
11308 elem_addr_cache [elem_addr_cache_next].rank = rank;
11309 elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
11310 elem_addr_cache [elem_addr_cache_next].method = ret;
11311 elem_addr_cache_next ++;
11313 info = mono_wrapper_info_create (ret, WRAPPER_SUBTYPE_ELEMENT_ADDR);
11314 info->d.element_addr.rank = rank;
11315 info->d.element_addr.elem_size = elem_size;
11316 mono_marshal_set_wrapper_info (ret, info);
11318 mono_marshal_unlock ();
11323 mono_marshal_alloc (gulong size)
11328 res = CoTaskMemAlloc (size);
11330 res = g_try_malloc ((gulong)size);
11332 mono_gc_out_of_memory ((gulong)size);
11338 mono_marshal_free (gpointer ptr)
11341 CoTaskMemFree (ptr);
11348 mono_marshal_free_array (gpointer *ptr, int size)
11355 for (i = 0; i < size; i++)
11361 mono_marshal_string_to_utf16 (MonoString *s)
11363 return s ? mono_string_chars (s) : NULL;
11367 mono_marshal_string_to_utf16_copy (MonoString *s)
11372 gunichar2 *res = mono_marshal_alloc ((mono_string_length (s) * 2) + 2);
11373 memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
11374 res [mono_string_length (s)] = 0;
11380 * mono_marshal_set_last_error:
11382 * This function is invoked to set the last error value from a P/Invoke call
11383 * which has SetLastError set.
11386 mono_marshal_set_last_error (void)
11389 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
11391 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
11396 mono_marshal_set_last_error_windows (int error)
11399 mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
11404 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
11405 gpointer dest, gint32 length)
11410 MONO_ARCH_SAVE_REGS;
11412 MONO_CHECK_ARG_NULL (src);
11413 MONO_CHECK_ARG_NULL (dest);
11415 if (src->obj.vtable->klass->rank != 1)
11416 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11417 if (start_index < 0)
11418 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11420 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11421 if (start_index + length > mono_array_length (src))
11422 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11424 element_size = mono_array_element_size (src->obj.vtable->klass);
11426 /* no references should be involved */
11427 source_addr = mono_array_addr_with_size (src, element_size, start_index);
11429 memcpy (dest, source_addr, length * element_size);
11433 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
11434 MonoArray *dest, gint32 length)
11439 MONO_ARCH_SAVE_REGS;
11441 MONO_CHECK_ARG_NULL (src);
11442 MONO_CHECK_ARG_NULL (dest);
11444 if (dest->obj.vtable->klass->rank != 1)
11445 mono_raise_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
11446 if (start_index < 0)
11447 mono_raise_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
11449 mono_raise_exception (mono_get_exception_argument ("length", "Must be >= 0"));
11450 if (start_index + length > mono_array_length (dest))
11451 mono_raise_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
11453 element_size = mono_array_element_size (dest->obj.vtable->klass);
11455 /* no references should be involved */
11456 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
11458 memcpy (dest_addr, src, length * element_size);
11462 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
11464 MONO_ARCH_SAVE_REGS;
11469 return mono_string_new (mono_domain_get (), ptr);
11473 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
11475 MONO_ARCH_SAVE_REGS;
11478 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11479 g_assert_not_reached ();
11482 return mono_string_new_len (mono_domain_get (), ptr, len);
11487 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
11489 MonoDomain *domain = mono_domain_get ();
11493 MONO_ARCH_SAVE_REGS;
11501 return mono_string_new_utf16 (domain, ptr, len);
11505 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
11507 MonoDomain *domain = mono_domain_get ();
11509 MONO_ARCH_SAVE_REGS;
11512 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
11513 g_assert_not_reached ();
11516 return mono_string_new_utf16 (domain, ptr, len);
11521 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
11523 MONO_ARCH_SAVE_REGS;
11525 return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
11529 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
11535 MONO_ARCH_SAVE_REGS;
11537 MONO_CHECK_ARG_NULL (rtype);
11539 type = rtype->type;
11540 klass = mono_class_from_mono_type (type);
11541 if (!mono_class_init (klass))
11542 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11544 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
11546 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
11548 MonoException *exc;
11550 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
11551 exc = mono_get_exception_argument ("t", msg);
11553 mono_raise_exception (exc);
11557 return mono_class_native_size (klass, NULL);
11561 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
11563 MonoMethod *method;
11566 MONO_ARCH_SAVE_REGS;
11568 MONO_CHECK_ARG_NULL (obj);
11569 MONO_CHECK_ARG_NULL (dst);
11571 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
11575 pa [2] = &delete_old;
11577 mono_runtime_invoke (method, NULL, pa, NULL);
11581 ptr_to_structure (gpointer src, MonoObject *dst)
11583 MonoMethod *method;
11586 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
11591 mono_runtime_invoke (method, NULL, pa, NULL);
11595 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
11599 MONO_ARCH_SAVE_REGS;
11601 MONO_CHECK_ARG_NULL (src);
11602 MONO_CHECK_ARG_NULL (dst);
11604 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
11606 if (t->type == MONO_TYPE_VALUETYPE) {
11607 MonoException *exc;
11610 tmp = g_strdup_printf ("Destination is a boxed value type.");
11611 exc = mono_get_exception_argument ("dst", tmp);
11614 mono_raise_exception (exc);
11618 ptr_to_structure (src, dst);
11622 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
11625 MonoDomain *domain = mono_domain_get ();
11628 MONO_ARCH_SAVE_REGS;
11632 MONO_CHECK_ARG_NULL (type);
11634 klass = mono_class_from_mono_type (type->type);
11635 if (!mono_class_init (klass))
11636 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11638 res = mono_object_new (domain, klass);
11640 ptr_to_structure (src, res);
11646 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
11648 MonoMarshalType *info;
11651 int match_index = -1;
11653 MONO_ARCH_SAVE_REGS;
11655 MONO_CHECK_ARG_NULL (type);
11656 MONO_CHECK_ARG_NULL (field_name);
11658 fname = mono_string_to_utf8 (field_name);
11659 klass = mono_class_from_mono_type (type->type);
11660 if (!mono_class_init (klass))
11661 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11663 while (klass && match_index == -1) {
11664 MonoClassField* field;
11666 gpointer iter = NULL;
11667 while ((field = mono_class_get_fields (klass, &iter))) {
11668 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11670 if (!strcmp (fname, mono_field_get_name (field))) {
11677 if (match_index == -1)
11678 klass = klass->parent;
11683 if(match_index == -1) {
11684 MonoException* exc;
11687 /* Get back original class instance */
11688 klass = mono_class_from_mono_type (type->type);
11690 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
11691 exc = mono_get_exception_argument ("fieldName", tmp);
11694 mono_raise_exception ((MonoException*)exc);
11697 info = mono_marshal_load_type_info (klass);
11698 return info->fields [match_index].offset;
11702 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
11707 tres = mono_string_to_utf8 (string);
11711 len = strlen (tres) + 1;
11712 ret = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (len);
11713 memcpy (ret, tres, len);
11718 return mono_string_to_utf8 (string);
11723 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
11725 MONO_ARCH_SAVE_REGS;
11727 if (string == NULL)
11730 #ifdef TARGET_WIN32
11731 gunichar2 *res = ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal
11732 ((mono_string_length (string) + 1) * 2);
11734 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
11736 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
11737 res [mono_string_length (string)] = 0;
11743 mono_struct_delete_old (MonoClass *klass, char *ptr)
11745 MonoMarshalType *info;
11748 info = mono_marshal_load_type_info (klass);
11750 for (i = 0; i < info->num_fields; i++) {
11751 MonoMarshalNative ntype;
11752 MonoMarshalConv conv;
11753 MonoType *ftype = info->fields [i].field->type;
11756 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
11759 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
11760 klass->unicode, &conv);
11762 cpos = ptr + info->fields [i].offset;
11765 case MONO_MARSHAL_CONV_NONE:
11766 if (MONO_TYPE_ISSTRUCT (ftype)) {
11767 mono_struct_delete_old (ftype->data.klass, cpos);
11771 case MONO_MARSHAL_CONV_STR_LPWSTR:
11772 /* We assume this field points inside a MonoString */
11774 case MONO_MARSHAL_CONV_STR_LPTSTR:
11775 #ifdef TARGET_WIN32
11776 /* We assume this field points inside a MonoString
11780 case MONO_MARSHAL_CONV_STR_LPSTR:
11781 case MONO_MARSHAL_CONV_STR_BSTR:
11782 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
11783 case MONO_MARSHAL_CONV_STR_TBSTR:
11784 mono_marshal_free (*(gpointer *)cpos);
11794 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
11798 MONO_ARCH_SAVE_REGS;
11800 MONO_CHECK_ARG_NULL (src);
11801 MONO_CHECK_ARG_NULL (type);
11803 klass = mono_class_from_mono_type (type->type);
11804 if (!mono_class_init (klass))
11805 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11807 mono_struct_delete_old (klass, (char *)src);
11811 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
11815 MONO_ARCH_SAVE_REGS;
11817 if ((gulong)size == 0)
11818 /* This returns a valid pointer for size 0 on MS.NET */
11822 res = GlobalAlloc (GMEM_FIXED, (gulong)size);
11824 res = g_try_malloc ((gulong)size);
11827 mono_gc_out_of_memory ((gulong)size);
11833 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, int size)
11838 mono_gc_out_of_memory ((gulong)size);
11843 res = GlobalReAlloc (ptr, (gulong)size, GMEM_MOVEABLE);
11845 res = g_try_realloc (ptr, (gulong)size);
11848 mono_gc_out_of_memory ((gulong)size);
11854 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
11856 MONO_ARCH_SAVE_REGS;
11866 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
11868 MONO_ARCH_SAVE_REGS;
11871 return CoTaskMemAlloc (size);
11873 return g_try_malloc ((gulong)size);
11878 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
11880 MONO_ARCH_SAVE_REGS;
11883 CoTaskMemFree (ptr);
11890 ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
11892 MONO_ARCH_SAVE_REGS;
11895 return CoTaskMemRealloc (ptr, size);
11897 return g_try_realloc (ptr, (gulong)size);
11902 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
11904 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
11908 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
11910 MonoClass *klass = mono_type_get_class (type->type);
11911 if (!mono_class_init (klass))
11912 mono_raise_exception (mono_class_get_exception_for_failure (klass));
11914 return mono_ftnptr_to_delegate (klass, ftn);
11918 * mono_marshal_is_loading_type_info:
11920 * Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
11924 mono_marshal_is_loading_type_info (MonoClass *klass)
11926 GSList *loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11928 return g_slist_find (loads_list, klass) != NULL;
11932 * mono_marshal_load_type_info:
11934 * Initialize klass->marshal_info using information from metadata. This function can
11935 * recursively call itself, and the caller is responsible to avoid that by calling
11936 * mono_marshal_is_loading_type_info () beforehand.
11938 * LOCKING: Acquires the loader lock.
11941 mono_marshal_load_type_info (MonoClass* klass)
11944 guint32 native_size = 0, min_align = 1, packing;
11945 MonoMarshalType *info;
11946 MonoClassField* field;
11949 GSList *loads_list;
11951 g_assert (klass != NULL);
11953 if (klass->marshal_info)
11954 return klass->marshal_info;
11956 if (!klass->inited)
11957 mono_class_init (klass);
11959 mono_loader_lock ();
11961 if (klass->marshal_info) {
11962 mono_loader_unlock ();
11963 return klass->marshal_info;
11967 * This function can recursively call itself, so we keep the list of classes which are
11968 * under initialization in a TLS list.
11970 g_assert (!mono_marshal_is_loading_type_info (klass));
11971 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
11972 loads_list = g_slist_prepend (loads_list, klass);
11973 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
11976 while ((field = mono_class_get_fields (klass, &iter))) {
11977 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
11979 if (mono_field_is_deleted (field))
11984 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
11986 /* The mempool is protected by the loader lock */
11987 info = mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
11988 info->num_fields = count;
11990 /* Try to find a size for this type in metadata */
11991 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
11993 if (klass->parent) {
11994 int parent_size = mono_class_native_size (klass->parent, NULL);
11996 /* Add parent size to real size */
11997 native_size += parent_size;
11998 info->native_size = parent_size;
12001 packing = klass->packing_size ? klass->packing_size : 8;
12004 while ((field = mono_class_get_fields (klass, &iter))) {
12008 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
12011 if (mono_field_is_deleted (field))
12013 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
12014 mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
12015 NULL, NULL, &info->fields [j].mspec);
12017 info->fields [j].field = field;
12019 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
12020 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
12021 /* This field is a hack inserted by MCS to empty structures */
12026 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
12027 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
12028 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12029 &align, TRUE, klass->unicode);
12030 align = klass->packing_size ? MIN (klass->packing_size, align): align;
12031 min_align = MAX (align, min_align);
12032 info->fields [j].offset = info->native_size;
12033 info->fields [j].offset += align - 1;
12034 info->fields [j].offset &= ~(align - 1);
12035 info->native_size = info->fields [j].offset + size;
12037 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
12038 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
12039 &align, TRUE, klass->unicode);
12040 min_align = packing;
12041 info->fields [j].offset = field->offset - sizeof (MonoObject);
12042 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
12048 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
12049 info->native_size = MAX (native_size, info->native_size);
12051 * If the provided Size is equal or larger than the calculated size, and there
12052 * was no Pack attribute, we set min_align to 1 to avoid native_size being increased
12054 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT)
12055 if (native_size && native_size == info->native_size && klass->packing_size == 0)
12059 if (info->native_size & (min_align - 1)) {
12060 info->native_size += min_align - 1;
12061 info->native_size &= ~(min_align - 1);
12064 info->min_align = min_align;
12066 /* Update the class's blittable info, if the layouts don't match */
12067 if (info->native_size != mono_class_value_size (klass, NULL))
12068 klass->blittable = FALSE;
12070 /* If this is an array type, ensure that we have element info */
12071 if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
12072 mono_marshal_load_type_info (klass->element_class);
12075 loads_list = mono_native_tls_get_value (load_type_info_tls_id);
12076 loads_list = g_slist_remove (loads_list, klass);
12077 mono_native_tls_set_value (load_type_info_tls_id, loads_list);
12079 /*We do double-checking locking on marshal_info */
12080 mono_memory_barrier ();
12082 klass->marshal_info = info;
12084 mono_loader_unlock ();
12086 return klass->marshal_info;
12090 * mono_class_native_size:
12093 * Returns: the native size of an object instance (when marshaled
12094 * to unmanaged code)
12097 mono_class_native_size (MonoClass *klass, guint32 *align)
12099 if (!klass->marshal_info) {
12100 if (mono_marshal_is_loading_type_info (klass)) {
12105 mono_marshal_load_type_info (klass);
12110 *align = klass->marshal_info->min_align;
12112 return klass->marshal_info->native_size;
12115 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
12116 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
12117 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
12118 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
12121 * mono_type_native_stack_size:
12122 * @t: the type to return the size it uses on the stack
12124 * Returns: the number of bytes required to hold an instance of this
12125 * type on the native stack
12128 mono_type_native_stack_size (MonoType *t, guint32 *align)
12132 g_assert (t != NULL);
12138 *align = sizeof (gpointer);
12139 return sizeof (gpointer);
12143 case MONO_TYPE_BOOLEAN:
12144 case MONO_TYPE_CHAR:
12155 case MONO_TYPE_STRING:
12156 case MONO_TYPE_OBJECT:
12157 case MONO_TYPE_CLASS:
12158 case MONO_TYPE_SZARRAY:
12159 case MONO_TYPE_PTR:
12160 case MONO_TYPE_FNPTR:
12161 case MONO_TYPE_ARRAY:
12162 *align = sizeof (gpointer);
12163 return sizeof (gpointer);
12168 *align = ALIGNMENT (gdouble);
12172 *align = ALIGNMENT (glong);
12174 case MONO_TYPE_GENERICINST:
12175 if (!mono_type_generic_inst_is_valuetype (t)) {
12176 *align = sizeof (gpointer);
12177 return sizeof (gpointer);
12180 case MONO_TYPE_TYPEDBYREF:
12181 case MONO_TYPE_VALUETYPE: {
12183 MonoClass *klass = mono_class_from_mono_type (t);
12185 if (klass->enumtype)
12186 return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
12188 size = mono_class_native_size (klass, align);
12189 *align = *align + 3;
12199 g_error ("type 0x%02x unknown", t->type);
12205 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
12206 gboolean as_field, gboolean unicode)
12208 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
12211 switch (native_type) {
12212 case MONO_NATIVE_BOOLEAN:
12215 case MONO_NATIVE_I1:
12216 case MONO_NATIVE_U1:
12219 case MONO_NATIVE_I2:
12220 case MONO_NATIVE_U2:
12221 case MONO_NATIVE_VARIANTBOOL:
12224 case MONO_NATIVE_I4:
12225 case MONO_NATIVE_U4:
12226 case MONO_NATIVE_ERROR:
12229 case MONO_NATIVE_I8:
12230 case MONO_NATIVE_U8:
12231 *align = ALIGNMENT(guint64);
12233 case MONO_NATIVE_R4:
12236 case MONO_NATIVE_R8:
12237 *align = ALIGNMENT(double);
12239 case MONO_NATIVE_INT:
12240 case MONO_NATIVE_UINT:
12241 case MONO_NATIVE_LPSTR:
12242 case MONO_NATIVE_LPWSTR:
12243 case MONO_NATIVE_LPTSTR:
12244 case MONO_NATIVE_BSTR:
12245 case MONO_NATIVE_ANSIBSTR:
12246 case MONO_NATIVE_TBSTR:
12247 case MONO_NATIVE_LPARRAY:
12248 case MONO_NATIVE_SAFEARRAY:
12249 case MONO_NATIVE_IUNKNOWN:
12250 case MONO_NATIVE_IDISPATCH:
12251 case MONO_NATIVE_INTERFACE:
12252 case MONO_NATIVE_ASANY:
12253 case MONO_NATIVE_FUNC:
12254 case MONO_NATIVE_LPSTRUCT:
12255 *align = ALIGNMENT(gpointer);
12256 return sizeof (gpointer);
12257 case MONO_NATIVE_STRUCT:
12258 klass = mono_class_from_mono_type (type);
12259 if (klass == mono_defaults.object_class &&
12260 (mspec && mspec->native == MONO_NATIVE_STRUCT)) {
12264 return mono_class_native_size (klass, align);
12265 case MONO_NATIVE_BYVALTSTR: {
12266 int esize = unicode ? 2: 1;
12269 return mspec->data.array_data.num_elem * esize;
12271 case MONO_NATIVE_BYVALARRAY: {
12272 // FIXME: Have to consider ArraySubType
12274 klass = mono_class_from_mono_type (type);
12275 if (klass->element_class == mono_defaults.char_class) {
12276 esize = unicode ? 2 : 1;
12279 esize = mono_class_native_size (klass->element_class, align);
12282 return mspec->data.array_data.num_elem * esize;
12284 case MONO_NATIVE_CUSTOM:
12285 *align = sizeof (gpointer);
12286 return sizeof (gpointer);
12288 case MONO_NATIVE_CURRENCY:
12289 case MONO_NATIVE_VBBYREFSTR:
12291 g_error ("native type %02x not implemented", native_type);
12294 g_assert_not_reached ();
12299 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
12307 t = &o->vtable->klass->byval_arg;
12311 case MONO_TYPE_PTR:
12314 case MONO_TYPE_BOOLEAN:
12317 case MONO_TYPE_CHAR:
12322 return mono_object_unbox (o);
12324 case MONO_TYPE_STRING:
12325 switch (string_encoding) {
12326 case MONO_NATIVE_LPWSTR:
12327 return mono_marshal_string_to_utf16_copy ((MonoString*)o);
12329 case MONO_NATIVE_LPSTR:
12330 return mono_string_to_lpstr ((MonoString*)o);
12333 g_warning ("marshaling conversion %d not implemented", string_encoding);
12334 g_assert_not_reached ();
12337 case MONO_TYPE_CLASS:
12338 case MONO_TYPE_VALUETYPE: {
12339 MonoMethod *method;
12342 MonoBoolean delete_old = FALSE;
12344 klass = t->data.klass;
12346 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
12349 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12350 klass->blittable || klass->enumtype))
12351 return mono_object_unbox (o);
12353 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
12355 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12356 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
12360 pa [2] = &delete_old;
12362 mono_runtime_invoke (method, NULL, pa, NULL);
12369 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
12375 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
12383 t = &o->vtable->klass->byval_arg;
12385 case MONO_TYPE_STRING:
12386 switch (string_encoding) {
12387 case MONO_NATIVE_LPWSTR:
12388 case MONO_NATIVE_LPSTR:
12389 mono_marshal_free (ptr);
12392 g_warning ("marshaling conversion %d not implemented", string_encoding);
12393 g_assert_not_reached ();
12396 case MONO_TYPE_CLASS:
12397 case MONO_TYPE_VALUETYPE: {
12398 klass = t->data.klass;
12400 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
12401 klass->blittable || klass->enumtype))
12404 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
12405 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
12411 mono_runtime_invoke (method, NULL, pa, NULL);
12414 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
12415 mono_struct_delete_old (klass, ptr);
12418 mono_marshal_free (ptr);
12427 mono_marshal_get_generic_array_helper (MonoClass *class, MonoClass *iface, gchar *name, MonoMethod *method)
12429 MonoMethodSignature *sig, *csig;
12430 MonoMethodBuilder *mb;
12435 mb = mono_mb_new_no_dup_name (class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
12436 mb->method->slot = -1;
12438 mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
12439 METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
12441 sig = mono_method_signature (method);
12442 csig = signature_dup (method->klass->image, sig);
12443 csig->generic_param_count = 0;
12445 #ifndef DISABLE_JIT
12446 mono_mb_emit_ldarg (mb, 0);
12447 for (i = 0; i < csig->param_count; i++)
12448 mono_mb_emit_ldarg (mb, i + 1);
12449 mono_mb_emit_managed_call (mb, method, NULL);
12450 mono_mb_emit_byte (mb, CEE_RET);
12452 /* We can corlib internal methods */
12453 mb->skip_visibility = TRUE;
12456 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
12458 info = mono_wrapper_info_create (res, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
12459 info->d.generic_array_helper.method = method;
12460 mono_marshal_set_wrapper_info (res, info);
12468 * The mono_win32_compat_* functions are implementations of inline
12469 * Windows kernel32 APIs, which are DllImport-able under MS.NET,
12470 * although not exported by kernel32.
12472 * We map the appropiate kernel32 entries to these functions using
12473 * dllmaps declared in the global etc/mono/config.
12477 mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
12479 if (!dest || !source)
12482 memcpy (dest, source, length);
12486 mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
12488 memset (dest, fill, length);
12492 mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
12494 if (!dest || !source)
12497 memmove (dest, source, length);
12501 mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
12503 memset (dest, 0, length);
12507 mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
12512 for (i = 0; i < len; ++i)
12516 g_assert (i < len);
12519 while (byte && !(byte & 1))
12521 g_assert (byte == 1);
12524 *bitmask = buf [i];
12528 mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
12530 MonoMethodBuilder *mb;
12531 MonoMethodSignature *sig, *csig;
12532 MonoExceptionClause *clause;
12537 int i, param_count, sig_size, pos_leave;
12541 klass = method->klass;
12542 image = method->klass->image;
12543 cache = get_cache (&image->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
12545 if ((res = mono_marshal_find_in_cache (cache, method)))
12548 sig = mono_method_signature (method);
12549 mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
12551 /* add "this" and exception param */
12552 param_count = sig->param_count + sig->hasthis + 1;
12554 /* dup & extend signature */
12555 csig = mono_metadata_signature_alloc (image, param_count);
12556 sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
12557 memcpy (csig, sig, sig_size);
12558 csig->param_count = param_count;
12561 csig->call_convention = MONO_CALL_DEFAULT;
12563 if (sig->hasthis) {
12565 csig->params [0] = &klass->byval_arg;
12566 /* move params up by one */
12567 for (i = 0; i < sig->param_count; i++)
12568 csig->params [i + 1] = sig->params [i];
12571 /* setup exception param as byref+[out] */
12572 csig->params [param_count - 1] = mono_metadata_type_dup (image,
12573 &mono_defaults.exception_class->byval_arg);
12574 csig->params [param_count - 1]->byref = 1;
12575 csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
12577 /* convert struct return to object */
12578 if (MONO_TYPE_ISSTRUCT (sig->ret))
12579 csig->ret = &mono_defaults.object_class->byval_arg;
12581 #ifndef DISABLE_JIT
12582 /* local 0 (temp for exception object) */
12583 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
12585 /* local 1 (temp for result) */
12586 if (!MONO_TYPE_IS_VOID (sig->ret))
12587 mono_mb_add_local (mb, sig->ret);
12589 /* clear exception arg */
12590 mono_mb_emit_ldarg (mb, param_count - 1);
12591 mono_mb_emit_byte (mb, CEE_LDNULL);
12592 mono_mb_emit_byte (mb, CEE_STIND_REF);
12595 clause = mono_image_alloc0 (image, sizeof (MonoExceptionClause));
12596 clause->try_offset = mono_mb_get_label (mb);
12598 /* push method's args */
12599 for (i = 0; i < param_count - 1; i++) {
12603 mono_mb_emit_ldarg (mb, i);
12605 /* get the byval type of the param */
12606 klass = mono_class_from_mono_type (csig->params [i]);
12607 type = &klass->byval_arg;
12609 /* unbox struct args */
12610 if (MONO_TYPE_ISSTRUCT (type)) {
12611 mono_mb_emit_op (mb, CEE_UNBOX, klass);
12613 /* byref args & and the "this" arg must remain a ptr.
12614 Otherwise make a copy of the value type */
12615 if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
12616 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
12618 csig->params [i] = &mono_defaults.object_class->byval_arg;
12623 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
12624 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
12626 mono_mb_emit_op (mb, CEE_CALL, method);
12628 /* save result at local 1 */
12629 if (!MONO_TYPE_IS_VOID (sig->ret))
12630 mono_mb_emit_stloc (mb, 1);
12632 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
12635 clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
12636 clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
12637 clause->data.catch_class = mono_defaults.object_class;
12639 clause->handler_offset = mono_mb_get_label (mb);
12641 /* store exception at local 0 */
12642 mono_mb_emit_stloc (mb, 0);
12643 mono_mb_emit_ldarg (mb, param_count - 1);
12644 mono_mb_emit_ldloc (mb, 0);
12645 mono_mb_emit_byte (mb, CEE_STIND_REF);
12646 mono_mb_emit_branch (mb, CEE_LEAVE);
12648 clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
12650 mono_mb_set_clauses (mb, 1, clause);
12652 mono_mb_patch_branch (mb, pos_leave);
12655 if (!MONO_TYPE_IS_VOID (sig->ret)) {
12656 mono_mb_emit_ldloc (mb, 1);
12658 /* box the return value */
12659 if (MONO_TYPE_ISSTRUCT (sig->ret))
12660 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
12663 mono_mb_emit_byte (mb, CEE_RET);
12666 res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
12673 * mono_marshal_free_dynamic_wrappers:
12675 * Free wrappers of the dynamic method METHOD.
12678 mono_marshal_free_dynamic_wrappers (MonoMethod *method)
12680 MonoImage *image = method->klass->image;
12682 g_assert (method->dynamic);
12684 /* This could be called during shutdown */
12685 if (marshal_mutex_initialized)
12686 mono_marshal_lock ();
12688 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12689 * they could be shared with other methods ?
12691 if (image->runtime_invoke_direct_cache)
12692 g_hash_table_remove (image->runtime_invoke_direct_cache, method);
12693 if (image->delegate_bound_static_invoke_cache)
12694 g_hash_table_foreach_remove (image->delegate_bound_static_invoke_cache, signature_method_pair_matches_method, method);
12695 if (image->delegate_abstract_invoke_cache)
12696 g_hash_table_foreach_remove (image->delegate_abstract_invoke_cache, signature_method_pair_matches_method, method);
12698 if (marshal_mutex_initialized)
12699 mono_marshal_unlock ();
12703 signature_method_pair_matches_signature (gpointer key, gpointer value, gpointer user_data)
12705 SignatureMethodPair *pair = (SignatureMethodPair*)key;
12706 MonoMethodSignature *sig = (MonoMethodSignature*)user_data;
12708 return mono_metadata_signature_equal (pair->sig, sig);
12712 * mono_marshal_free_inflated_wrappers:
12714 * Free wrappers of the inflated method METHOD.
12717 mono_marshal_free_inflated_wrappers (MonoMethod *method)
12719 MonoMethodSignature *sig = method->signature;
12721 g_assert (method->is_inflated);
12723 /* Ignore calls occuring late during cleanup. */
12724 if (!marshal_mutex_initialized)
12727 mono_marshal_lock ();
12729 * FIXME: We currently leak the wrappers. Freeing them would be tricky as
12730 * they could be shared with other methods ?
12734 * indexed by MonoMethodSignature
12736 /* FIXME: This could remove unrelated wrappers as well */
12737 if (sig && method->klass->image->delegate_begin_invoke_cache)
12738 g_hash_table_remove (method->klass->image->delegate_begin_invoke_cache, sig);
12739 if (sig && method->klass->image->delegate_end_invoke_cache)
12740 g_hash_table_remove (method->klass->image->delegate_end_invoke_cache, sig);
12741 if (sig && method->klass->image->delegate_invoke_cache)
12742 g_hash_table_remove (method->klass->image->delegate_invoke_cache, sig);
12743 if (sig && method->klass->image->runtime_invoke_cache)
12744 g_hash_table_remove (method->klass->image->runtime_invoke_cache, sig);
12747 * indexed by SignatureMethodPair
12749 if (sig && method->klass->image->delegate_abstract_invoke_cache)
12750 g_hash_table_foreach_remove (method->klass->image->delegate_abstract_invoke_cache,
12751 signature_method_pair_matches_signature, (gpointer)sig);
12753 if (sig && method->klass->image->delegate_bound_static_invoke_cache)
12754 g_hash_table_foreach_remove (method->klass->image->delegate_bound_static_invoke_cache,
12755 signature_method_pair_matches_signature, (gpointer)sig);
12758 * indexed by MonoMethod pointers
12760 if (method->klass->image->runtime_invoke_direct_cache)
12761 g_hash_table_remove (method->klass->image->runtime_invoke_direct_cache, method);
12762 if (method->klass->image->managed_wrapper_cache)
12763 g_hash_table_remove (method->klass->image->managed_wrapper_cache, method);
12764 if (method->klass->image->native_wrapper_cache)
12765 g_hash_table_remove (method->klass->image->native_wrapper_cache, method);
12766 if (method->klass->image->remoting_invoke_cache)
12767 g_hash_table_remove (method->klass->image->remoting_invoke_cache, method);
12768 if (method->klass->image->synchronized_cache)
12769 g_hash_table_remove (method->klass->image->synchronized_cache, method);
12770 if (method->klass->image->unbox_wrapper_cache)
12771 g_hash_table_remove (method->klass->image->unbox_wrapper_cache, method);
12772 if (method->klass->image->cominterop_invoke_cache)
12773 g_hash_table_remove (method->klass->image->cominterop_invoke_cache, method);
12774 if (method->klass->image->cominterop_wrapper_cache)
12775 g_hash_table_remove (method->klass->image->cominterop_wrapper_cache, method);
12776 if (method->klass->image->thunk_invoke_cache)
12777 g_hash_table_remove (method->klass->image->thunk_invoke_cache, method);
12778 if (method->klass->image->native_func_wrapper_aot_cache)
12779 g_hash_table_remove (method->klass->image->native_func_wrapper_aot_cache, method);
12781 mono_marshal_unlock ();