2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include "mono/metadata/string-icalls.h"
27 #include <mono/os/gc_wrapper.h>
31 /* #define DEBUG_RUNTIME_CODE */
33 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
37 MONO_MARSHAL_NONE, /* No marshalling needed */
38 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
39 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
40 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
41 } MonoXDomainMarshalType;
44 #include "mono/cil/opcode.def"
49 struct _MonoMethodBuilder {
55 guint32 code_size, pos;
59 struct _MonoRemotingMethods {
61 MonoMethod *invoke_with_check;
62 MonoMethod *xdomain_invoke;
63 MonoMethod *xdomain_dispatch;
66 typedef struct _MonoRemotingMethods MonoRemotingMethods;
68 #ifdef DEBUG_RUNTIME_CODE
70 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
72 return g_strdup (" ");
75 static MonoDisHelper marshal_dh = {
85 /* This mutex protects the various marshalling related caches in MonoImage */
86 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
87 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
88 static CRITICAL_SECTION marshal_mutex;
90 /* Maps wrapper methods to the methods they wrap */
91 static GHashTable *wrapper_hash;
93 static guint32 last_error_tls_id;
96 delegate_hash_table_add (MonoDelegate *d);
99 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
102 mono_struct_delete_old (MonoClass *klass, char *ptr);
105 mono_marshal_string_to_utf16 (MonoString *s);
108 mono_string_to_lpstr (MonoString *string_obj);
111 mono_string_from_bstr (gpointer bstr);
114 mono_free_bstr (gpointer bstr);
117 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
120 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
123 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
125 static MonoAsyncResult *
126 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
129 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
132 mono_marshal_xdomain_copy_value (MonoObject *val);
135 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
138 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
141 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
144 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
146 static MonoReflectionType *
147 type_from_handle (MonoType *handle);
150 mono_marshal_set_last_error_windows (int error);
153 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
156 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
158 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
160 mono_register_jit_icall (func, name, sig, save);
163 static MonoMethodSignature*
164 signature_dup (MonoImage *image, MonoMethodSignature *sig)
166 MonoMethodSignature *res;
169 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
171 res = mono_mempool_alloc (image->mempool, sigsize);
172 mono_loader_unlock ();
173 memcpy (res, sig, sigsize);
178 static MonoMethodSignature*
179 signature_no_pinvoke (MonoMethod *method)
181 MonoMethodSignature *sig = mono_method_signature (method);
183 sig = signature_dup (method->klass->image, sig);
184 sig->pinvoke = FALSE;
191 * signature_cominterop:
193 * @sig: managed method signature
195 * Returns: the corresponding unmanaged method signature for a managed COM
198 static MonoMethodSignature*
199 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
201 MonoMethodSignature *res;
204 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
206 if (!MONO_TYPE_IS_VOID (sig->ret))
209 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
211 res = mono_mempool_alloc (image->mempool, sigsize);
212 mono_loader_unlock ();
213 memcpy (res, sig, sigsize);
215 // now move args forward one
216 for (i = sig->param_count-1; i >= 0; i--)
217 res->params[i+1] = sig->params[i];
219 // first arg is interface pointer
220 res->params[0] = &mono_defaults.int_class->byval_arg;
222 // last arg is return type
223 if (!MONO_TYPE_IS_VOID (sig->ret)) {
224 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
225 res->params[param_count-1]->byref = 1;
226 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
230 res->pinvoke = FALSE;
236 res->param_count = param_count;
238 // return type is always int32 (HRESULT)
239 res->ret = &mono_defaults.int32_class->byval_arg;
241 // com is always stdcall
242 res->call_convention = MONO_CALL_STDCALL;
248 * cominterop_get_function_pointer:
249 * @itf: a pointer to the COM interface
250 * @slot: the vtable slot of the method pointer to return
252 * Returns: the unmanaged vtable function pointer from the interface
255 cominterop_get_function_pointer (gpointer itf, int slot)
258 func = *((*(gpointer**)itf)+slot);
263 * cominterop_get_com_slot_for_method:
266 * Returns: the method's slot in the COM interface vtable
269 cominterop_get_com_slot_for_method (MonoMethod* method)
271 static MonoClass *interface_type_attribute = NULL;
272 MonoInterfaceTypeAttribute* itf_attr = NULL;
273 MonoCustomAttrInfo *cinfo = NULL;
275 guint32 slot = method->slot;
277 MonoClass *ic = method->klass;
280 ifaces = mono_class_get_implemented_interfaces (method->klass);
283 for (i = 0; i < ifaces->len; ++i) {
284 ic = g_ptr_array_index (ifaces, i);
285 offset = method->klass->interface_offsets[ic->interface_id];
286 if (method->slot >= offset && method->slot < offset + ic->method.count) {
291 g_ptr_array_free (ifaces, TRUE);
294 if (!interface_type_attribute)
295 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
296 cinfo = mono_custom_attrs_from_class (ic);
298 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
300 mono_custom_attrs_free (cinfo);
303 if (itf_attr && itf_attr->intType == 1)
304 offset = 3; /* 3 methods in IUnknown*/
306 offset = 7; /* 7 methods in IDispatch*/
308 return slot + offset;
312 * cominterop_get_method_interface:
313 * @method: method being called
315 * Returns: the Type on which the method is defined on
317 static MonoReflectionType*
318 cominterop_get_method_interface (MonoMethod* method)
321 MonoClass *ic = method->klass;
323 MonoReflectionType* rt = NULL;
325 ifaces = mono_class_get_implemented_interfaces (method->klass);
328 for (i = 0; i < ifaces->len; ++i) {
329 ic = g_ptr_array_index (ifaces, i);
330 offset = method->klass->interface_offsets[ic->interface_id];
331 if (method->slot >= offset && method->slot < offset + ic->method.count)
335 g_ptr_array_free (ifaces, TRUE);
339 MonoType* t = mono_class_get_type (ic);
340 rt = mono_type_get_object (mono_domain_get(), t);
347 mono_marshal_init (void)
349 static gboolean module_initialized = FALSE;
351 if (!module_initialized) {
352 module_initialized = TRUE;
353 InitializeCriticalSection (&marshal_mutex);
354 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
355 last_error_tls_id = TlsAlloc ();
357 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
358 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
359 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
360 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
361 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
362 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
363 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
364 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
365 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
366 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
367 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
368 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
369 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
370 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
371 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
372 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
373 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
374 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
375 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
376 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
377 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
378 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
379 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
380 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
381 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
382 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
383 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
384 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
385 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
386 register_icall (g_free, "g_free", "void ptr", FALSE);
387 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
388 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
389 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
390 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
391 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
392 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
393 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
394 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
395 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
396 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
397 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
398 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
399 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
400 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
401 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
402 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
403 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
408 mono_marshal_cleanup (void)
410 g_hash_table_destroy (wrapper_hash);
411 TlsFree (last_error_tls_id);
412 DeleteCriticalSection (&marshal_mutex);
415 MonoClass *byte_array_class;
416 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
417 static MonoMethod *method_set_context, *method_get_context;
418 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
421 mono_remoting_marshal_init (void)
425 static gboolean module_initialized = FALSE;
427 if (!module_initialized) {
428 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
429 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
430 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
431 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
433 klass = mono_defaults.real_proxy_class;
434 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
436 klass = mono_defaults.exception_class;
437 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
439 klass = mono_defaults.thread_class;
440 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
442 klass = mono_defaults.appdomain_class;
443 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
444 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
446 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
447 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
449 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
450 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
452 module_initialized = TRUE;
457 mono_delegate_to_ftnptr (MonoDelegate *delegate)
459 MonoMethod *method, *wrapper;
465 if (delegate->delegate_trampoline)
466 return delegate->delegate_trampoline;
468 klass = ((MonoObject *)delegate)->vtable->klass;
469 g_assert (klass->delegate);
471 method = delegate->method_info->method;
473 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
475 delegate->delegate_trampoline = mono_compile_method (wrapper);
477 // Add the delegate to the delegate hash table
478 delegate_hash_table_add (delegate);
480 /* when the object is collected, collect the dunamic method, too */
481 mono_object_register_finalizer ((MonoObject*)delegate);
483 return delegate->delegate_trampoline;
486 static GHashTable *delegate_hash_table;
489 delegate_hash_table_new (void) {
490 return g_hash_table_new (NULL, NULL);
494 delegate_hash_table_remove (MonoDelegate *d)
496 mono_marshal_lock ();
497 if (delegate_hash_table == NULL)
498 delegate_hash_table = delegate_hash_table_new ();
499 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
500 mono_marshal_unlock ();
504 delegate_hash_table_add (MonoDelegate *d)
506 mono_marshal_lock ();
507 if (delegate_hash_table == NULL)
508 delegate_hash_table = delegate_hash_table_new ();
509 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
510 mono_marshal_unlock ();
514 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
518 mono_marshal_lock ();
519 if (delegate_hash_table == NULL)
520 delegate_hash_table = delegate_hash_table_new ();
522 d = g_hash_table_lookup (delegate_hash_table, ftn);
523 mono_marshal_unlock ();
525 /* This is a native function, so construct a delegate for it */
526 static MonoClass *UnmanagedFunctionPointerAttribute;
527 MonoMethodSignature *sig;
529 MonoMarshalSpec **mspecs;
530 MonoCustomAttrInfo *cinfo;
531 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
532 MonoMethod *invoke = mono_get_delegate_invoke (klass);
533 MonoMethodPInvoke piinfo;
536 memset (&piinfo, 0, sizeof (piinfo));
537 if (!UnmanagedFunctionPointerAttribute)
538 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
540 /* The attribute is only available in Net 2.0 */
541 if (UnmanagedFunctionPointerAttribute) {
543 * The pinvoke attributes are stored in a real custom attribute so we have to
546 cinfo = mono_custom_attrs_from_class (klass);
548 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
550 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
553 mono_custom_attrs_free (cinfo);
557 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
558 mono_method_get_marshal_info (invoke, mspecs);
559 /* Freed below so don't alloc from mempool */
560 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
563 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
565 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
567 mono_metadata_free_marshal_spec (mspecs [i]);
571 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
572 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
575 if (d->object.vtable->domain != mono_domain_get ())
576 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
582 mono_delegate_free_ftnptr (MonoDelegate *delegate)
587 delegate_hash_table_remove (delegate);
589 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
591 if (!delegate->target) {
592 /* The wrapper method is shared between delegates -> no need to free it */
597 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
600 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
605 mono_array_to_savearray (MonoArray *array)
610 g_assert_not_reached ();
615 mono_array_to_lparray (MonoArray *array)
620 /* fixme: maybe we need to make a copy */
621 return array->vector;
625 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
627 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
629 if (elclass == mono_defaults.byte_class) {
630 GError *error = NULL;
634 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
637 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
641 g_error_free (error);
644 g_assert_not_reached ();
648 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
650 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
652 if (elclass == mono_defaults.byte_class) {
654 GError *error = NULL;
656 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
658 MonoException *exc = mono_get_exception_argument ("string", error->message);
659 g_error_free (error);
660 mono_raise_exception (exc);
663 memcpy (native_arr, as, MIN (strlen (as), elnum));
667 g_assert_not_reached ();
671 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
673 GError *error = NULL;
683 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
685 if (items_written > mono_stringbuilder_capacity (sb))
686 items_written = mono_stringbuilder_capacity (sb);
689 if (! sb->str || sb->str == sb->cached_str) {
690 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
691 sb->cached_str = NULL;
694 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
695 sb->length = items_written;
697 g_error_free (error);
703 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
710 g_assert (mono_string_chars (sb->str) == text);
712 for (len = 0; text [len] != 0; ++len)
719 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
721 GError *error = NULL;
728 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
730 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
732 g_error_free (error);
733 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
736 memcpy (res, tmp, sb->length + 1);
744 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
750 * The sb could have been allocated with the default capacity and be empty.
751 * we need to alloc a buffer of the default capacity in this case.
754 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb)));
756 * The stringbuilder might not have ownership of this string. If this is
757 * the case, we must duplicate the string, so that we don't munge immutable
760 else if (sb->str == sb->cached_str) {
761 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
762 sb->cached_str = NULL;
765 return mono_string_chars (sb->str);
769 mono_string_to_lpstr (MonoString *s)
771 #ifdef PLATFORM_WIN32
774 GError *error = NULL;
780 as = CoTaskMemAlloc (1);
785 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
787 MonoException *exc = mono_get_exception_argument ("string", error->message);
788 g_error_free (error);
789 mono_raise_exception(exc);
793 as = CoTaskMemAlloc (len + 1);
794 memcpy (as, tmp, len + 1);
798 return mono_string_to_utf8 (s);
803 mono_string_to_ansibstr (MonoString *string_obj)
805 g_error ("UnmanagedMarshal.BStr is not implemented.");
810 mono_string_to_bstr (MonoString *string_obj)
812 #ifdef PLATFORM_WIN32
813 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
815 g_error ("UnmanagedMarshal.BStr is not implemented.");
821 mono_string_from_bstr (gpointer bstr)
823 #ifdef PLATFORM_WIN32
824 MonoDomain *domain = mono_domain_get ();
825 return mono_string_new_utf16 (domain, bstr, SysStringLen (bstr));
827 g_error ("UnmanagedMarshal.BStr is not implemented.");
833 mono_free_bstr (gpointer bstr)
835 #ifdef PLATFORM_WIN32
836 SysFreeString ((BSTR)bstr);
838 g_error ("Free BSTR is not implemented.");
843 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
848 g_assert (dst != NULL);
851 memset (dst, 0, size);
856 s = mono_string_to_utf8 (src);
857 len = MIN (size, strlen (s));
858 memcpy (dst, s, len);
861 *((char *)dst + size - 1) = 0;
865 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
869 g_assert (dst != NULL);
873 memset (dst, 0, size * 2);
877 len = MIN (size, (mono_string_length (src)));
878 memcpy (dst, mono_string_chars (src), len * 2);
880 *((gunichar2 *)dst + len - 1) = 0;
884 mono_mb_free (MonoMethodBuilder *mb)
886 g_list_free (mb->locals_list);
896 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
898 MonoMethodBuilder *mb;
901 g_assert (klass != NULL);
902 g_assert (name != NULL);
904 mb = g_new0 (MonoMethodBuilder, 1);
906 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
910 m->wrapper_type = type;
912 mb->name = g_strdup (name);
914 mb->code = g_malloc (mb->code_size);
920 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
924 g_assert (mb != NULL);
925 g_assert (type != NULL);
928 mb->locals_list = g_list_append (mb->locals_list, type);
935 * mono_mb_create_method:
937 * Create a MonoMethod from this method builder.
938 * Returns: the newly created method.
940 * LOCKING: Assumes the loader lock is held.
943 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
945 MonoMethodHeader *header;
946 MonoMethodWrapper *mw;
952 g_assert (mb != NULL);
954 mp = mb->method->klass->image->mempool;
959 method->name = mb->name;
960 method->dynamic = TRUE;
962 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
963 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
965 header->code = mb->code;
967 /* Realloc the method info into a mempool */
969 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
970 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
972 method->name = mono_mempool_strdup (mp, mb->name);
974 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
975 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
977 header->code = mono_mempool_alloc (mp, mb->pos);
978 memcpy ((char*)header->code, mb->code, mb->pos);
984 header->max_stack = max_stack;
986 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
987 header->locals [i] = (MonoType *)l->data;
990 method->signature = signature;
992 header->code_size = mb->pos;
993 header->num_locals = mb->locals;
995 mw = (MonoMethodWrapper*) mb->method;
996 i = g_list_length (mw->method_data);
1000 l = g_list_reverse (mw->method_data);
1001 if (method->dynamic)
1002 data = g_malloc (sizeof (gpointer) * (i + 1));
1004 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1005 /* store the size in the first element */
1006 data [0] = GUINT_TO_POINTER (i);
1008 for (tmp = l; tmp; tmp = tmp->next) {
1009 data [i++] = tmp->data;
1013 ((MonoMethodWrapper*)method)->method_data = data;
1016 static int total_code = 0;
1017 static int total_alloc = 0;
1018 total_code += mb->pos;
1019 total_alloc += mb->code_size;
1020 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1023 #ifdef DEBUG_RUNTIME_CODE
1024 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1025 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1032 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1034 MonoMethodWrapper *mw;
1036 g_assert (mb != NULL);
1038 mw = (MonoMethodWrapper *)mb->method;
1040 /* one O(n) is enough */
1041 mw->method_data = g_list_prepend (mw->method_data, data);
1043 return g_list_length (mw->method_data);
1047 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1049 mb->code [pos] = value & 0xff;
1050 mb->code [pos + 1] = (value >> 8) & 0xff;
1051 mb->code [pos + 2] = (value >> 16) & 0xff;
1052 mb->code [pos + 3] = (value >> 24) & 0xff;
1056 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1058 *((gint8 *)(&mb->code [pos])) = value;
1062 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1064 if (mb->pos >= mb->code_size) {
1065 mb->code_size += mb->code_size >> 1;
1066 mb->code = g_realloc (mb->code, mb->code_size);
1069 mb->code [mb->pos++] = op;
1073 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1075 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1076 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1079 mono_mb_emit_icon (mb, offset);
1080 mono_mb_emit_byte (mb, CEE_ADD);
1085 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1088 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1089 mono_mb_emit_byte (mb, CEE_LDIND_I);
1090 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1091 mono_mb_emit_byte (mb, CEE_ADD);
1092 mono_mb_emit_byte (mb, CEE_LDIND_I);
1093 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1094 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1095 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1096 mono_mb_emit_byte (mb, branch_code);
1098 mono_mb_emit_i4 (mb, 0);
1103 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1106 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1107 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1108 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1109 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1110 mono_mb_emit_icon (mb, -1);
1111 mono_mb_emit_byte (mb, branch_code);
1113 mono_mb_emit_i4 (mb, 0);
1118 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1120 if ((mb->pos + 4) >= mb->code_size) {
1121 mb->code_size += mb->code_size >> 1;
1122 mb->code = g_realloc (mb->code, mb->code_size);
1125 mono_mb_patch_addr (mb, mb->pos, data);
1130 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1132 if ((mb->pos + 2) >= mb->code_size) {
1133 mb->code_size += mb->code_size >> 1;
1134 mb->code = g_realloc (mb->code, mb->code_size);
1137 mb->code [mb->pos] = data & 0xff;
1138 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1143 mono_mb_emit_op (MonoMethodBuilder *mb, guint8 op, gpointer data)
1145 mono_mb_emit_byte (mb, op);
1146 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, data));
1150 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1152 mono_mb_emit_op (mb, CEE_LDSTR, str);
1156 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1159 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1160 } else if (argnum < 256) {
1161 mono_mb_emit_byte (mb, CEE_LDARG_S);
1162 mono_mb_emit_byte (mb, argnum);
1164 mono_mb_emit_byte (mb, CEE_PREFIX1);
1165 mono_mb_emit_byte (mb, CEE_LDARG);
1166 mono_mb_emit_i2 (mb, argnum);
1171 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1174 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1175 mono_mb_emit_byte (mb, argnum);
1177 mono_mb_emit_byte (mb, CEE_PREFIX1);
1178 mono_mb_emit_byte (mb, CEE_LDARGA);
1179 mono_mb_emit_i2 (mb, argnum);
1184 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1187 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1188 mono_mb_emit_byte (mb, locnum);
1190 mono_mb_emit_byte (mb, CEE_PREFIX1);
1191 mono_mb_emit_byte (mb, CEE_LDLOCA);
1192 mono_mb_emit_i2 (mb, locnum);
1197 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1200 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1201 } else if (num < 256) {
1202 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1203 mono_mb_emit_byte (mb, num);
1205 mono_mb_emit_byte (mb, CEE_PREFIX1);
1206 mono_mb_emit_byte (mb, CEE_LDLOC);
1207 mono_mb_emit_i2 (mb, num);
1212 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1215 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1216 } else if (num < 256) {
1217 mono_mb_emit_byte (mb, CEE_STLOC_S);
1218 mono_mb_emit_byte (mb, num);
1220 mono_mb_emit_byte (mb, CEE_PREFIX1);
1221 mono_mb_emit_byte (mb, CEE_STLOC);
1222 mono_mb_emit_i2 (mb, num);
1227 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1229 if (value >= -1 && value < 8) {
1230 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1231 } else if (value >= -128 && value <= 127) {
1232 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1233 mono_mb_emit_byte (mb, value);
1235 mono_mb_emit_byte (mb, CEE_LDC_I4);
1236 mono_mb_emit_i4 (mb, value);
1241 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1244 mono_mb_emit_byte (mb, op);
1246 mono_mb_emit_i4 (mb, 0);
1251 mono_mb_emit_short_branch (MonoMethodBuilder *mb, guint8 op)
1254 mono_mb_emit_byte (mb, op);
1256 mono_mb_emit_byte (mb, 0);
1262 mono_mb_patch_branch (MonoMethodBuilder *mb, guint32 pos)
1264 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1268 mono_mb_patch_short_branch (MonoMethodBuilder *mb, guint32 pos)
1270 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
1274 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1276 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1277 mono_mb_emit_op (mb, CEE_MONO_LDPTR, ptr);
1281 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1283 mono_mb_emit_op (mb, CEE_CALLI, sig);
1287 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1289 mono_mb_emit_op (mb, CEE_CALL, method);
1293 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1295 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1296 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1297 mono_mb_emit_ptr (mb, func);
1298 mono_mb_emit_calli (mb, sig);
1299 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1300 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1304 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1306 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1307 mono_mb_emit_op (mb, CEE_MONO_ICALL, func);
1311 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1313 // get function pointer from 1st arg, the COM interface pointer
1314 mono_mb_emit_ldarg (mb, 0);
1315 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1316 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1318 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1319 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1320 mono_mb_emit_calli (mb, sig);
1321 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1322 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1326 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1328 MonoMethod *ctor = NULL;
1330 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1331 mono_class_init (mme);
1332 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1334 mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
1336 mono_mb_emit_byte (mb, CEE_DUP);
1337 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1338 mono_mb_emit_ldstr (mb, (char*)msg);
1339 mono_mb_emit_byte (mb, CEE_STIND_REF);
1341 mono_mb_emit_byte (mb, CEE_THROW);
1345 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1347 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1351 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1353 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1357 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1359 mono_mb_emit_ldloc (mb, local);
1360 mono_mb_emit_icon (mb, incr);
1361 mono_mb_emit_byte (mb, CEE_ADD);
1362 mono_mb_emit_stloc (mb, local);
1366 mono_type_to_ldind (MonoType *type)
1372 switch (type->type) {
1374 return CEE_LDIND_I1;
1376 case MONO_TYPE_BOOLEAN:
1377 return CEE_LDIND_U1;
1379 return CEE_LDIND_I2;
1381 case MONO_TYPE_CHAR:
1382 return CEE_LDIND_U2;
1384 return CEE_LDIND_I4;
1386 return CEE_LDIND_U4;
1390 case MONO_TYPE_FNPTR:
1392 case MONO_TYPE_CLASS:
1393 case MONO_TYPE_STRING:
1394 case MONO_TYPE_OBJECT:
1395 case MONO_TYPE_SZARRAY:
1396 case MONO_TYPE_ARRAY:
1397 return CEE_LDIND_REF;
1400 return CEE_LDIND_I8;
1402 return CEE_LDIND_R4;
1404 return CEE_LDIND_R8;
1405 case MONO_TYPE_VALUETYPE:
1406 if (type->data.klass->enumtype) {
1407 type = type->data.klass->enum_basetype;
1411 case MONO_TYPE_TYPEDBYREF:
1413 case MONO_TYPE_GENERICINST:
1414 type = &type->data.generic_class->container_class->byval_arg;
1417 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1423 mono_type_to_stind (MonoType *type)
1429 switch (type->type) {
1432 case MONO_TYPE_BOOLEAN:
1433 return CEE_STIND_I1;
1436 case MONO_TYPE_CHAR:
1437 return CEE_STIND_I2;
1440 return CEE_STIND_I4;
1444 case MONO_TYPE_FNPTR:
1446 case MONO_TYPE_CLASS:
1447 case MONO_TYPE_STRING:
1448 case MONO_TYPE_OBJECT:
1449 case MONO_TYPE_SZARRAY:
1450 case MONO_TYPE_ARRAY:
1451 return CEE_STIND_REF;
1454 return CEE_STIND_I8;
1456 return CEE_STIND_R4;
1458 return CEE_STIND_R8;
1459 case MONO_TYPE_VALUETYPE:
1460 if (type->data.klass->enumtype) {
1461 type = type->data.klass->enum_basetype;
1465 case MONO_TYPE_TYPEDBYREF:
1467 case MONO_TYPE_GENERICINST:
1468 type = &type->data.generic_class->container_class->byval_arg;
1471 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1477 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1480 case MONO_MARSHAL_CONV_BOOL_I4:
1481 mono_mb_emit_ldloc (mb, 1);
1482 mono_mb_emit_ldloc (mb, 0);
1483 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1484 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1485 mono_mb_emit_byte (mb, 3);
1486 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1487 mono_mb_emit_byte (mb, CEE_BR_S);
1488 mono_mb_emit_byte (mb, 1);
1489 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1490 mono_mb_emit_byte (mb, CEE_STIND_I1);
1492 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1493 mono_mb_emit_ldloc (mb, 1);
1494 mono_mb_emit_ldloc (mb, 0);
1495 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1496 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1497 mono_mb_emit_byte (mb, 3);
1498 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1499 mono_mb_emit_byte (mb, CEE_BR_S);
1500 mono_mb_emit_byte (mb, 1);
1501 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1502 mono_mb_emit_byte (mb, CEE_STIND_I1);
1504 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1505 MonoClass *eklass = NULL;
1508 if (type->type == MONO_TYPE_SZARRAY) {
1509 eklass = type->data.klass;
1511 g_assert_not_reached ();
1514 esize = mono_class_native_size (eklass, NULL);
1516 /* create a new array */
1517 mono_mb_emit_ldloc (mb, 1);
1518 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1519 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
1520 mono_mb_emit_byte (mb, CEE_STIND_I);
1522 if (eklass->blittable) {
1523 /* copy the elements */
1524 mono_mb_emit_ldloc (mb, 1);
1525 mono_mb_emit_byte (mb, CEE_LDIND_I);
1526 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1527 mono_mb_emit_byte (mb, CEE_ADD);
1528 mono_mb_emit_ldloc (mb, 0);
1529 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1530 mono_mb_emit_byte (mb, CEE_PREFIX1);
1531 mono_mb_emit_byte (mb, CEE_CPBLK);
1534 int array_var, src_var, dst_var, index_var;
1535 guint32 label2, label3;
1537 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1538 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1539 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1542 mono_mb_emit_ldloc (mb, 1);
1543 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1544 mono_mb_emit_stloc (mb, array_var);
1546 /* save the old src pointer */
1547 mono_mb_emit_ldloc (mb, 0);
1548 mono_mb_emit_stloc (mb, src_var);
1549 /* save the old dst pointer */
1550 mono_mb_emit_ldloc (mb, 1);
1551 mono_mb_emit_stloc (mb, dst_var);
1553 /* Emit marshalling loop */
1554 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1555 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1556 mono_mb_emit_stloc (mb, index_var);
1560 mono_mb_emit_ldloc (mb, index_var);
1561 mono_mb_emit_ldloc (mb, array_var);
1562 mono_mb_emit_byte (mb, CEE_LDLEN);
1563 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1565 /* src is already set */
1568 mono_mb_emit_ldloc (mb, array_var);
1569 mono_mb_emit_ldloc (mb, index_var);
1570 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1571 mono_mb_emit_stloc (mb, 1);
1573 /* Do the conversion */
1574 emit_struct_conv (mb, eklass, TRUE);
1577 mono_mb_emit_add_to_local (mb, index_var, 1);
1579 mono_mb_emit_byte (mb, CEE_BR);
1580 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1582 mono_mb_patch_branch (mb, label3);
1584 /* restore the old src pointer */
1585 mono_mb_emit_ldloc (mb, src_var);
1586 mono_mb_emit_stloc (mb, 0);
1587 /* restore the old dst pointer */
1588 mono_mb_emit_ldloc (mb, dst_var);
1589 mono_mb_emit_stloc (mb, 1);
1593 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1594 MonoClass *eclass = mono_defaults.char_class;
1596 /* create a new array */
1597 mono_mb_emit_ldloc (mb, 1);
1598 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1599 mono_mb_emit_op (mb, CEE_NEWARR, eclass);
1600 mono_mb_emit_byte (mb, CEE_STIND_REF);
1602 mono_mb_emit_ldloc (mb, 1);
1603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1604 mono_mb_emit_ldloc (mb, 0);
1605 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1606 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1607 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1610 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1611 mono_mb_emit_ldloc (mb, 1);
1612 mono_mb_emit_ldloc (mb, 0);
1613 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1614 mono_mb_emit_byte (mb, CEE_STIND_REF);
1616 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1617 mono_mb_emit_ldloc (mb, 1);
1618 mono_mb_emit_ldloc (mb, 0);
1619 mono_mb_emit_icall (mb, mono_string_from_utf16);
1620 mono_mb_emit_byte (mb, CEE_STIND_REF);
1622 case MONO_MARSHAL_CONV_STR_LPTSTR:
1623 case MONO_MARSHAL_CONV_STR_LPSTR:
1624 mono_mb_emit_ldloc (mb, 1);
1625 mono_mb_emit_ldloc (mb, 0);
1626 mono_mb_emit_byte (mb, CEE_LDIND_I);
1627 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1628 mono_mb_emit_byte (mb, CEE_STIND_REF);
1630 case MONO_MARSHAL_CONV_STR_LPWSTR:
1631 mono_mb_emit_ldloc (mb, 1);
1632 mono_mb_emit_ldloc (mb, 0);
1633 mono_mb_emit_byte (mb, CEE_LDIND_I);
1634 mono_mb_emit_icall (mb, mono_string_from_utf16);
1635 mono_mb_emit_byte (mb, CEE_STIND_REF);
1637 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1638 MonoClass *klass = mono_class_from_mono_type (type);
1639 int src_var, dst_var;
1641 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1642 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1644 /* *dst = new object */
1645 mono_mb_emit_ldloc (mb, 1);
1646 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1647 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
1648 mono_mb_emit_byte (mb, CEE_STIND_REF);
1650 /* save the old src pointer */
1651 mono_mb_emit_ldloc (mb, 0);
1652 mono_mb_emit_stloc (mb, src_var);
1653 /* save the old dst pointer */
1654 mono_mb_emit_ldloc (mb, 1);
1655 mono_mb_emit_stloc (mb, dst_var);
1657 /* dst = pointer to newly created object data */
1658 mono_mb_emit_ldloc (mb, 1);
1659 mono_mb_emit_byte (mb, CEE_LDIND_I);
1660 mono_mb_emit_icon (mb, sizeof (MonoObject));
1661 mono_mb_emit_byte (mb, CEE_ADD);
1662 mono_mb_emit_stloc (mb, 1);
1664 emit_struct_conv (mb, klass, TRUE);
1666 /* restore the old src pointer */
1667 mono_mb_emit_ldloc (mb, src_var);
1668 mono_mb_emit_stloc (mb, 0);
1669 /* restore the old dst pointer */
1670 mono_mb_emit_ldloc (mb, dst_var);
1671 mono_mb_emit_stloc (mb, 1);
1674 case MONO_MARSHAL_CONV_DEL_FTN: {
1675 MonoClass *klass = mono_class_from_mono_type (type);
1677 mono_mb_emit_ldloc (mb, 1);
1678 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1679 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
1680 mono_mb_emit_ldloc (mb, 0);
1681 mono_mb_emit_byte (mb, CEE_LDIND_I);
1682 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1683 mono_mb_emit_byte (mb, CEE_STIND_REF);
1686 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1687 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1689 case MONO_MARSHAL_CONV_STR_BSTR:
1690 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1691 case MONO_MARSHAL_CONV_STR_TBSTR:
1692 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1694 g_warning ("marshaling conversion %d not implemented", conv);
1695 g_assert_not_reached ();
1700 conv_to_icall (MonoMarshalConv conv)
1703 case MONO_MARSHAL_CONV_STR_LPWSTR:
1704 return mono_marshal_string_to_utf16;
1705 case MONO_MARSHAL_CONV_LPWSTR_STR:
1706 return mono_string_from_utf16;
1707 case MONO_MARSHAL_CONV_LPSTR_STR:
1708 return mono_string_new_wrapper;
1709 case MONO_MARSHAL_CONV_STR_LPTSTR:
1710 case MONO_MARSHAL_CONV_STR_LPSTR:
1711 return mono_string_to_lpstr;
1712 case MONO_MARSHAL_CONV_STR_BSTR:
1713 return mono_string_to_bstr;
1714 case MONO_MARSHAL_CONV_BSTR_STR:
1715 return mono_string_from_bstr;
1716 case MONO_MARSHAL_CONV_STR_TBSTR:
1717 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1718 return mono_string_to_ansibstr;
1719 case MONO_MARSHAL_CONV_SB_LPSTR:
1720 case MONO_MARSHAL_CONV_SB_LPTSTR:
1721 return mono_string_builder_to_utf8;
1722 case MONO_MARSHAL_CONV_SB_LPWSTR:
1723 return mono_string_builder_to_utf16;
1724 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1725 return mono_array_to_savearray;
1726 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1727 return mono_array_to_lparray;
1728 case MONO_MARSHAL_CONV_DEL_FTN:
1729 return mono_delegate_to_ftnptr;
1730 case MONO_MARSHAL_CONV_FTN_DEL:
1731 return mono_ftnptr_to_delegate;
1732 case MONO_MARSHAL_CONV_LPSTR_SB:
1733 case MONO_MARSHAL_CONV_LPTSTR_SB:
1734 return mono_string_utf8_to_builder;
1735 case MONO_MARSHAL_CONV_LPWSTR_SB:
1736 return mono_string_utf16_to_builder;
1737 case MONO_MARSHAL_FREE_ARRAY:
1738 return mono_marshal_free_array;
1739 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1740 return mono_string_to_byvalstr;
1741 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1742 return mono_string_to_byvalwstr;
1744 g_assert_not_reached ();
1751 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1756 case MONO_MARSHAL_CONV_BOOL_I4:
1757 mono_mb_emit_ldloc (mb, 1);
1758 mono_mb_emit_ldloc (mb, 0);
1759 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1760 mono_mb_emit_byte (mb, CEE_STIND_I4);
1762 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1763 mono_mb_emit_ldloc (mb, 1);
1764 mono_mb_emit_ldloc (mb, 0);
1765 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1766 mono_mb_emit_byte (mb, CEE_NEG);
1767 mono_mb_emit_byte (mb, CEE_STIND_I2);
1769 case MONO_MARSHAL_CONV_STR_LPWSTR:
1770 case MONO_MARSHAL_CONV_STR_LPSTR:
1771 case MONO_MARSHAL_CONV_STR_LPTSTR:
1772 case MONO_MARSHAL_CONV_STR_BSTR:
1773 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1774 case MONO_MARSHAL_CONV_STR_TBSTR: {
1777 /* free space if free == true */
1778 mono_mb_emit_ldloc (mb, 2);
1779 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1780 mono_mb_emit_ldloc (mb, 1);
1781 mono_mb_emit_byte (mb, CEE_LDIND_I);
1782 mono_mb_emit_icall (mb, g_free);
1783 mono_mb_patch_short_branch (mb, pos);
1785 mono_mb_emit_ldloc (mb, 1);
1786 mono_mb_emit_ldloc (mb, 0);
1787 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1788 mono_mb_emit_icall (mb, conv_to_icall (conv));
1789 mono_mb_emit_byte (mb, CEE_STIND_I);
1792 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1793 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1794 case MONO_MARSHAL_CONV_DEL_FTN:
1795 mono_mb_emit_ldloc (mb, 1);
1796 mono_mb_emit_ldloc (mb, 0);
1797 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1798 mono_mb_emit_icall (mb, conv_to_icall (conv));
1799 mono_mb_emit_byte (mb, CEE_STIND_I);
1801 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1802 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1805 mono_mb_emit_ldloc (mb, 1); /* dst */
1806 mono_mb_emit_ldloc (mb, 0);
1807 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1808 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1809 mono_mb_emit_icall (mb, conv_to_icall (conv));
1812 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1813 MonoClass *eklass = NULL;
1816 if (type->type == MONO_TYPE_SZARRAY) {
1817 eklass = type->data.klass;
1819 g_assert_not_reached ();
1822 if (eklass->valuetype)
1823 esize = mono_class_native_size (eklass, NULL);
1825 esize = sizeof (gpointer);
1827 mono_mb_emit_ldloc (mb, 0);
1828 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1829 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1831 if (eklass->blittable) {
1832 mono_mb_emit_ldloc (mb, 1);
1833 mono_mb_emit_ldloc (mb, 0);
1834 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1835 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoArray, vector));
1836 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1837 mono_mb_emit_byte (mb, CEE_PREFIX1);
1838 mono_mb_emit_byte (mb, CEE_CPBLK);
1840 int array_var, src_var, dst_var, index_var;
1841 guint32 label2, label3;
1843 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1844 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1845 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1848 mono_mb_emit_ldloc (mb, 0);
1849 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1850 mono_mb_emit_stloc (mb, array_var);
1852 /* save the old src pointer */
1853 mono_mb_emit_ldloc (mb, 0);
1854 mono_mb_emit_stloc (mb, src_var);
1855 /* save the old dst pointer */
1856 mono_mb_emit_ldloc (mb, 1);
1857 mono_mb_emit_stloc (mb, dst_var);
1859 /* Emit marshalling loop */
1860 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1861 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1862 mono_mb_emit_stloc (mb, index_var);
1866 mono_mb_emit_ldloc (mb, index_var);
1867 mono_mb_emit_ldloc (mb, array_var);
1868 mono_mb_emit_byte (mb, CEE_LDLEN);
1869 label3 = mono_mb_emit_branch (mb, CEE_BGE);
1872 mono_mb_emit_ldloc (mb, array_var);
1873 mono_mb_emit_ldloc (mb, index_var);
1874 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
1875 mono_mb_emit_stloc (mb, 0);
1877 /* dst is already set */
1879 /* Do the conversion */
1880 emit_struct_conv (mb, eklass, FALSE);
1883 mono_mb_emit_add_to_local (mb, index_var, 1);
1885 mono_mb_emit_byte (mb, CEE_BR);
1886 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1888 mono_mb_patch_branch (mb, label3);
1890 /* restore the old src pointer */
1891 mono_mb_emit_ldloc (mb, src_var);
1892 mono_mb_emit_stloc (mb, 0);
1893 /* restore the old dst pointer */
1894 mono_mb_emit_ldloc (mb, dst_var);
1895 mono_mb_emit_stloc (mb, 1);
1898 mono_mb_patch_short_branch (mb, pos);
1901 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1902 mono_mb_emit_ldloc (mb, 0);
1903 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1904 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1906 mono_mb_emit_ldloc (mb, 1);
1907 mono_mb_emit_ldloc (mb, 0);
1908 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1909 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1910 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1911 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1912 mono_mb_patch_short_branch (mb, pos);
1915 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1916 int src_var, dst_var;
1918 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1919 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1921 mono_mb_emit_ldloc (mb, 0);
1922 mono_mb_emit_byte (mb, CEE_LDIND_I);
1923 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1925 /* save the old src pointer */
1926 mono_mb_emit_ldloc (mb, 0);
1927 mono_mb_emit_stloc (mb, src_var);
1928 /* save the old dst pointer */
1929 mono_mb_emit_ldloc (mb, 1);
1930 mono_mb_emit_stloc (mb, dst_var);
1932 /* src = pointer to object data */
1933 mono_mb_emit_ldloc (mb, 0);
1934 mono_mb_emit_byte (mb, CEE_LDIND_I);
1935 mono_mb_emit_icon (mb, sizeof (MonoObject));
1936 mono_mb_emit_byte (mb, CEE_ADD);
1937 mono_mb_emit_stloc (mb, 0);
1939 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1941 /* restore the old src pointer */
1942 mono_mb_emit_ldloc (mb, src_var);
1943 mono_mb_emit_stloc (mb, 0);
1944 /* restore the old dst pointer */
1945 mono_mb_emit_ldloc (mb, dst_var);
1946 mono_mb_emit_stloc (mb, 1);
1948 mono_mb_patch_short_branch (mb, pos);
1952 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1953 MonoException *exc = mono_get_exception_not_implemented (msg);
1956 mono_raise_exception (exc);
1962 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1964 MonoMarshalType *info;
1968 emit_struct_conv(mb, klass->parent, to_object);
1970 info = mono_marshal_load_type_info (klass);
1972 if (info->native_size == 0)
1975 if (klass->blittable) {
1976 int msize = mono_class_value_size (klass, NULL);
1977 g_assert (msize == info->native_size);
1978 mono_mb_emit_ldloc (mb, 1);
1979 mono_mb_emit_ldloc (mb, 0);
1980 mono_mb_emit_icon (mb, msize);
1981 mono_mb_emit_byte (mb, CEE_PREFIX1);
1982 mono_mb_emit_byte (mb, CEE_CPBLK);
1984 mono_mb_emit_add_to_local (mb, 0, msize);
1985 mono_mb_emit_add_to_local (mb, 1, msize);
1989 for (i = 0; i < info->num_fields; i++) {
1990 MonoMarshalNative ntype;
1991 MonoMarshalConv conv;
1992 MonoType *ftype = info->fields [i].field->type;
1995 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1997 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2000 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
2003 msize = klass->instance_size - info->fields [i].field->offset;
2004 usize = info->native_size - info->fields [i].offset;
2006 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2007 usize = info->fields [i + 1].offset - info->fields [i].offset;
2011 * FIXME: Should really check for usize==0 and msize>0, but we apply
2012 * the layout to the managed structure as well.
2014 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2015 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) || ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2016 g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a reference field at the same offset as another field.", mono_type_full_name (&klass->byval_arg));
2019 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2020 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
2023 case MONO_MARSHAL_CONV_NONE: {
2026 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2027 ftype->type == MONO_TYPE_U) {
2028 mono_mb_emit_ldloc (mb, 1);
2029 mono_mb_emit_ldloc (mb, 0);
2030 mono_mb_emit_byte (mb, CEE_LDIND_I);
2031 mono_mb_emit_byte (mb, CEE_STIND_I);
2042 case MONO_TYPE_BOOLEAN:
2045 case MONO_TYPE_CHAR:
2051 mono_mb_emit_ldloc (mb, 1);
2052 mono_mb_emit_ldloc (mb, 0);
2053 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2054 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2056 case MONO_TYPE_VALUETYPE: {
2057 int src_var, dst_var;
2059 if (ftype->data.klass->enumtype) {
2060 ftype = ftype->data.klass->enum_basetype;
2064 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2065 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2067 /* save the old src pointer */
2068 mono_mb_emit_ldloc (mb, 0);
2069 mono_mb_emit_stloc (mb, src_var);
2070 /* save the old dst pointer */
2071 mono_mb_emit_ldloc (mb, 1);
2072 mono_mb_emit_stloc (mb, dst_var);
2074 emit_struct_conv (mb, ftype->data.klass, to_object);
2076 /* restore the old src pointer */
2077 mono_mb_emit_ldloc (mb, src_var);
2078 mono_mb_emit_stloc (mb, 0);
2079 /* restore the old dst pointer */
2080 mono_mb_emit_ldloc (mb, dst_var);
2081 mono_mb_emit_stloc (mb, 1);
2086 g_warning ("marshaling type %02x not implemented", ftype->type);
2087 g_assert_not_reached ();
2092 int src_var, dst_var;
2094 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2095 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2097 /* save the old src pointer */
2098 mono_mb_emit_ldloc (mb, 0);
2099 mono_mb_emit_stloc (mb, src_var);
2100 /* save the old dst pointer */
2101 mono_mb_emit_ldloc (mb, 1);
2102 mono_mb_emit_stloc (mb, dst_var);
2105 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2107 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2109 /* restore the old src pointer */
2110 mono_mb_emit_ldloc (mb, src_var);
2111 mono_mb_emit_stloc (mb, 0);
2112 /* restore the old dst pointer */
2113 mono_mb_emit_ldloc (mb, dst_var);
2114 mono_mb_emit_stloc (mb, 1);
2119 mono_mb_emit_add_to_local (mb, 0, usize);
2120 mono_mb_emit_add_to_local (mb, 1, msize);
2122 mono_mb_emit_add_to_local (mb, 0, msize);
2123 mono_mb_emit_add_to_local (mb, 1, usize);
2129 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2131 /* Call DestroyStructure */
2132 /* FIXME: Only do this if needed */
2133 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2134 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
2135 mono_mb_emit_ldloc (mb, struct_var);
2136 mono_mb_emit_icall (mb, mono_struct_delete_old);
2140 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2144 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2145 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2146 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2148 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2149 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2151 mono_mb_emit_icall (mb, checkpoint_func);
2153 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2157 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2159 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2162 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2166 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2168 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2171 static MonoAsyncResult *
2172 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2174 MonoMethodMessage *msg;
2175 MonoDelegate *async_callback;
2179 MonoMethod *method = NULL, *method2 = NULL;
2181 g_assert (delegate);
2183 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2185 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2186 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2188 /* If the target is a proxy, make a direct call. Is proxy's work
2189 // to make the call asynchronous.
2191 MonoAsyncResult *ares;
2193 MonoArray *out_args;
2195 method = delegate->method_info->method;
2197 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2198 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2199 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2200 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2201 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2202 MONO_OBJECT_SETREF (msg, async_result, ares);
2203 msg->call_type = CallType_BeginInvoke;
2205 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2210 klass = delegate->object.vtable->klass;
2212 method = mono_get_delegate_invoke (klass);
2213 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2216 g_assert (method != NULL);
2218 im = mono_get_delegate_invoke (method->klass);
2219 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2221 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2225 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2227 int i, params_var, tmp_var;
2229 /* allocate local (pointer) *params[] */
2230 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2231 /* allocate local (pointer) tmp */
2232 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2234 /* alloate space on stack to store an array of pointers to the arguments */
2235 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2236 mono_mb_emit_byte (mb, CEE_PREFIX1);
2237 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2238 mono_mb_emit_stloc (mb, params_var);
2241 mono_mb_emit_ldloc (mb, params_var);
2242 mono_mb_emit_stloc (mb, tmp_var);
2244 if (save_this && sig->hasthis) {
2245 mono_mb_emit_ldloc (mb, tmp_var);
2246 mono_mb_emit_ldarg_addr (mb, 0);
2247 mono_mb_emit_byte (mb, CEE_STIND_I);
2248 /* tmp = tmp + sizeof (gpointer) */
2249 if (sig->param_count)
2250 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2254 for (i = 0; i < sig->param_count; i++) {
2255 mono_mb_emit_ldloc (mb, tmp_var);
2256 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2257 mono_mb_emit_byte (mb, CEE_STIND_I);
2258 /* tmp = tmp + sizeof (gpointer) */
2259 if (i < (sig->param_count - 1))
2260 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2267 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2271 GString *res = g_string_new ("");
2274 g_string_append (res, prefix);
2275 g_string_append_c (res, '_');
2278 mono_type_get_desc (res, sig->ret, FALSE);
2280 for (i = 0; i < sig->param_count; ++i) {
2281 g_string_append_c (res, '_');
2282 mono_type_get_desc (res, sig->params [i], FALSE);
2285 g_string_free (res, FALSE);
2290 * mono_marshal_get_string_encoding:
2292 * Return the string encoding which should be used for a given parameter.
2294 static MonoMarshalNative
2295 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2297 /* First try the parameter marshal info */
2299 if (spec->native == MONO_NATIVE_LPARRAY) {
2300 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2301 return spec->data.array_data.elem_type;
2304 return spec->native;
2308 return MONO_NATIVE_LPSTR;
2310 /* Then try the method level marshal info */
2311 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2312 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2313 return MONO_NATIVE_LPSTR;
2314 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2315 return MONO_NATIVE_LPWSTR;
2316 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2317 #ifdef PLATFORM_WIN32
2318 return MONO_NATIVE_LPWSTR;
2320 return MONO_NATIVE_LPSTR;
2323 return MONO_NATIVE_LPSTR;
2327 static MonoMarshalConv
2328 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2330 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2333 case MONO_NATIVE_LPWSTR:
2334 return MONO_MARSHAL_CONV_STR_LPWSTR;
2335 case MONO_NATIVE_LPSTR:
2336 return MONO_MARSHAL_CONV_STR_LPSTR;
2337 case MONO_NATIVE_LPTSTR:
2338 return MONO_MARSHAL_CONV_STR_LPTSTR;
2339 case MONO_NATIVE_BSTR:
2340 return MONO_MARSHAL_CONV_STR_BSTR;
2346 static MonoMarshalConv
2347 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2349 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2352 case MONO_NATIVE_LPWSTR:
2353 return MONO_MARSHAL_CONV_SB_LPWSTR;
2355 case MONO_NATIVE_LPSTR:
2356 return MONO_MARSHAL_CONV_SB_LPSTR;
2358 case MONO_NATIVE_LPTSTR:
2359 return MONO_MARSHAL_CONV_SB_LPTSTR;
2366 static MonoMarshalConv
2367 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2369 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2374 case MONO_NATIVE_LPWSTR:
2375 return MONO_MARSHAL_CONV_LPWSTR_STR;
2376 case MONO_NATIVE_LPSTR:
2377 return MONO_MARSHAL_CONV_LPSTR_STR;
2378 case MONO_NATIVE_LPTSTR:
2379 return MONO_MARSHAL_CONV_LPTSTR_STR;
2380 case MONO_NATIVE_BSTR:
2381 return MONO_MARSHAL_CONV_BSTR_STR;
2387 static MonoMarshalConv
2388 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2390 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2395 case MONO_NATIVE_LPWSTR:
2397 * mono_string_builder_to_utf16 does not allocate a
2398 * new buffer, so no need to free it.
2401 return MONO_MARSHAL_CONV_LPWSTR_SB;
2402 case MONO_NATIVE_LPSTR:
2403 return MONO_MARSHAL_CONV_LPSTR_SB;
2405 case MONO_NATIVE_LPTSTR:
2406 return MONO_MARSHAL_CONV_LPTSTR_SB;
2414 * Return whenever a field of a native structure or an array member needs to
2418 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2420 MonoMarshalNative encoding;
2421 MonoMarshalConv conv;
2424 case MONO_TYPE_VALUETYPE:
2425 /* FIXME: Optimize this */
2427 case MONO_TYPE_OBJECT:
2428 case MONO_TYPE_CLASS:
2429 if (t->data.klass == mono_defaults.stringbuilder_class) {
2431 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2435 case MONO_TYPE_STRING:
2436 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2437 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2443 static inline MonoMethod*
2444 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2448 mono_marshal_lock ();
2449 res = g_hash_table_lookup (cache, key);
2450 mono_marshal_unlock ();
2454 /* Create the method from the builder and place it in the cache */
2455 static inline MonoMethod*
2456 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2457 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2462 mono_loader_lock ();
2463 mono_marshal_lock ();
2464 res = g_hash_table_lookup (cache, key);
2466 /* This does not acquire any locks */
2467 res = mono_mb_create_method (mb, sig, max_stack);
2468 g_hash_table_insert (cache, key, res);
2469 g_hash_table_insert (wrapper_hash, res, key);
2471 mono_marshal_unlock ();
2472 mono_loader_unlock ();
2478 static inline MonoMethod*
2479 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2481 MonoMethod *res = NULL;
2482 MonoRemotingMethods *wrps;
2484 mono_marshal_lock ();
2485 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2488 switch (wrapper_type) {
2489 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2490 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2491 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2492 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2496 mono_marshal_unlock ();
2500 /* Create the method from the builder and place it in the cache */
2501 static inline MonoMethod*
2502 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2503 MonoMethodSignature *sig, int max_stack)
2505 MonoMethod **res = NULL;
2506 MonoRemotingMethods *wrps;
2507 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2509 mono_loader_lock ();
2510 mono_marshal_lock ();
2511 wrps = g_hash_table_lookup (cache, key);
2513 wrps = g_new0 (MonoRemotingMethods, 1);
2514 g_hash_table_insert (cache, key, wrps);
2517 switch (mb->method->wrapper_type) {
2518 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2519 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2520 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2521 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2522 default: g_assert_not_reached (); break;
2526 /* This does not acquire any locks */
2527 *res = mono_mb_create_method (mb, sig, max_stack);
2528 g_hash_table_insert (wrapper_hash, *res, key);
2531 mono_marshal_unlock ();
2532 mono_loader_unlock ();
2538 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2542 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2545 mono_marshal_lock ();
2546 res = g_hash_table_lookup (wrapper_hash, wrapper);
2547 mono_marshal_unlock ();
2552 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2554 MonoMethodSignature *sig;
2555 MonoMethodBuilder *mb;
2561 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2562 !strcmp (method->name, "BeginInvoke"));
2564 sig = signature_no_pinvoke (method);
2566 cache = method->klass->image->delegate_begin_invoke_cache;
2567 if ((res = mono_marshal_find_in_cache (cache, sig)))
2570 g_assert (sig->hasthis);
2572 name = mono_signature_to_name (sig, "begin_invoke");
2573 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2576 mb->method->save_lmf = 1;
2578 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2580 mono_mb_emit_ldarg (mb, 0);
2581 mono_mb_emit_ldloc (mb, params_var);
2582 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2583 emit_thread_interrupt_checkpoint (mb);
2584 mono_mb_emit_byte (mb, CEE_RET);
2586 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2592 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2594 MonoDomain *domain = mono_domain_get ();
2595 MonoAsyncResult *ares;
2596 MonoMethod *method = NULL;
2597 MonoMethodSignature *sig;
2598 MonoMethodMessage *msg;
2599 MonoObject *res, *exc;
2600 MonoArray *out_args;
2603 g_assert (delegate);
2605 if (!delegate->method_info || !delegate->method_info->method)
2606 g_assert_not_reached ();
2608 klass = delegate->object.vtable->klass;
2610 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2611 g_assert (method != NULL);
2613 sig = signature_no_pinvoke (method);
2615 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2617 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2620 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2621 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2622 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2623 mono_message_init (domain, msg, delegate->method_info, NULL);
2624 msg->call_type = CallType_EndInvoke;
2625 MONO_OBJECT_SETREF (msg, async_result, ares);
2626 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2629 res = mono_thread_pool_finish (ares, &out_args, &exc);
2632 if (((MonoException*)exc)->stack_trace) {
2633 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2635 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2637 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2640 mono_raise_exception ((MonoException*)exc);
2643 mono_method_return_message_restore (method, params, out_args);
2648 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2650 MonoType *t = mono_type_get_underlying_type (return_type);
2652 if (return_type->byref)
2653 return_type = &mono_defaults.int_class->byval_arg;
2656 case MONO_TYPE_VOID:
2657 g_assert_not_reached ();
2660 case MONO_TYPE_STRING:
2661 case MONO_TYPE_CLASS:
2662 case MONO_TYPE_OBJECT:
2663 case MONO_TYPE_ARRAY:
2664 case MONO_TYPE_SZARRAY:
2668 case MONO_TYPE_BOOLEAN:
2671 case MONO_TYPE_CHAR:
2681 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
2682 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2684 case MONO_TYPE_GENERICINST:
2685 if (!mono_type_generic_inst_is_valuetype (return_type))
2688 case MONO_TYPE_VALUETYPE: {
2689 MonoClass *klass = mono_class_from_mono_type (return_type);
2690 mono_mb_emit_op (mb, CEE_UNBOX, klass);
2691 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
2695 g_warning ("type 0x%x not handled", return_type->type);
2696 g_assert_not_reached ();
2699 mono_mb_emit_byte (mb, CEE_RET);
2703 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2705 MonoMethodSignature *sig;
2706 MonoMethodBuilder *mb;
2712 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2713 !strcmp (method->name, "EndInvoke"));
2715 sig = signature_no_pinvoke (method);
2717 cache = method->klass->image->delegate_end_invoke_cache;
2718 if ((res = mono_marshal_find_in_cache (cache, sig)))
2721 g_assert (sig->hasthis);
2723 name = mono_signature_to_name (sig, "end_invoke");
2724 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2727 mb->method->save_lmf = 1;
2729 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2731 mono_mb_emit_ldarg (mb, 0);
2732 mono_mb_emit_ldloc (mb, params_var);
2733 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2734 emit_thread_interrupt_checkpoint (mb);
2736 if (sig->ret->type == MONO_TYPE_VOID) {
2737 mono_mb_emit_byte (mb, CEE_POP);
2738 mono_mb_emit_byte (mb, CEE_RET);
2740 mono_mb_emit_restore_result (mb, sig->ret);
2742 res = mono_mb_create_and_cache (cache, sig,
2743 mb, sig, sig->param_count + 16);
2750 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2752 MonoMethodMessage *msg;
2753 MonoTransparentProxy *this;
2754 MonoObject *res, *exc;
2755 MonoArray *out_args;
2757 this = *((MonoTransparentProxy **)params [0]);
2760 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2762 /* skip the this pointer */
2765 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2768 MonoMethodSignature *sig = mono_method_signature (method);
2769 int count = sig->param_count;
2770 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2772 for (i=0; i<count; i++) {
2773 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2774 if (class->valuetype) {
2775 if (sig->params [i]->byref)
2776 mparams[i] = *((gpointer *)params [i]);
2778 mparams[i] = params [i];
2780 mparams[i] = *((gpointer**)params [i]);
2784 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2787 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2789 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2792 mono_raise_exception ((MonoException *)exc);
2794 mono_method_return_message_restore (method, params, out_args);
2800 * cominterop_get_native_wrapper_adjusted:
2801 * @method: managed COM Interop method
2803 * Returns: the generated method to call with signature matching
2804 * the unmanaged COM Method signature
2807 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
2810 MonoMethodBuilder *mb_native;
2811 MonoMarshalSpec **mspecs;
2812 MonoMethodSignature *sig, *sig_native;
2813 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
2816 sig = mono_method_signature (method);
2818 // create unmanaged wrapper
2819 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2820 sig_native = signature_cominterop (method->klass->image, sig);
2822 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
2823 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
2825 mono_method_get_marshal_info (method, mspecs);
2827 // move managed args up one
2828 for (i = sig->param_count; i >= 1; i--)
2829 mspecs[i+1] = mspecs[i];
2831 // first arg is IntPtr for interface
2834 // move return spec to last param
2835 if (!MONO_TYPE_IS_VOID (sig->ret))
2836 mspecs[sig_native->param_count] = mspecs[0];
2840 mono_marshal_emit_native_wrapper(mb_native, sig_native, piinfo, mspecs, piinfo->addr);
2842 mono_loader_lock ();
2843 mono_marshal_lock ();
2844 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
2845 mono_marshal_unlock ();
2846 mono_loader_unlock ();
2848 mono_mb_free (mb_native);
2850 for (i = sig_native->param_count; i >= 0; i--)
2852 mono_metadata_free_marshal_spec (mspecs [i]);
2859 * cominterop_get_native_wrapper:
2860 * @method: managed method
2862 * Returns: the generated method to call
2865 cominterop_get_native_wrapper (MonoMethod *method)
2869 MonoMethodBuilder *mb;
2870 MonoMethodSignature *sig, *csig;
2874 cache = method->klass->image->cominterop_wrapper_cache;
2875 if ((res = mono_marshal_find_in_cache (cache, method)))
2878 sig = mono_method_signature (method);
2879 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
2881 /* if method klass is import, that means method
2882 * is really a com call. let interop system emit it.
2884 if (MONO_CLASS_IS_IMPORT(method->klass)) {
2885 /* FIXME: we have to call actual class .ctor
2886 * instead of just __ComObject .ctor.
2888 if (!strcmp(method->name, ".ctor")) {
2889 static MonoMethod *ctor = NULL;
2892 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
2893 mono_mb_emit_ldarg (mb, 0);
2894 mono_mb_emit_managed_call (mb, ctor, NULL);
2895 mono_mb_emit_byte (mb, CEE_RET);
2898 static MonoMethod * ThrowExceptionForHR = NULL;
2899 static MonoMethod * GetInterface = NULL;
2900 MonoMethod *adjusted_method;
2906 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2908 // add local variables
2909 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2910 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2911 if (!MONO_TYPE_IS_VOID (sig->ret))
2912 retval = mono_mb_add_local (mb, sig->ret);
2914 // get the type for the interface the method is defined on
2915 // and then get the underlying COM interface for that type
2916 mono_mb_emit_ldarg (mb, 0);
2917 mono_mb_emit_ptr (mb, method);
2918 mono_mb_emit_icall (mb, cominterop_get_method_interface);
2919 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2920 mono_mb_emit_stloc (mb, ptr_this);
2922 // arg 1 is unmanaged this pointer
2923 mono_mb_emit_ldloc (mb, ptr_this);
2926 for (i = 1; i <= sig->param_count; i++)
2927 mono_mb_emit_ldarg (mb, i);
2929 // push managed return value as byref last argument
2930 if (!MONO_TYPE_IS_VOID (sig->ret))
2931 mono_mb_emit_ldloc_addr (mb, retval);
2933 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
2934 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
2936 // store HRESULT to check
2937 mono_mb_emit_stloc (mb, hr);
2939 if (!ThrowExceptionForHR)
2940 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
2941 mono_mb_emit_ldloc (mb, hr);
2942 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
2944 // load return value managed is expecting
2945 if (!MONO_TYPE_IS_VOID (sig->ret))
2946 mono_mb_emit_ldloc (mb, retval);
2948 mono_mb_emit_byte (mb, CEE_RET);
2953 /* Does this case ever get hit? */
2955 char *msg = g_strdup ("non imported interfaces on \
2956 imported classes is not yet implemented.");
2957 mono_mb_emit_exception (mb, "NotSupportedException", msg);
2959 csig = signature_dup (method->klass->image, sig);
2961 res = mono_mb_create_and_cache (cache, method,
2962 mb, csig, csig->param_count + 16);
2968 * cominterop_get_invoke:
2969 * @method: managed method
2971 * Returns: the generated method that calls the underlying __ComObject
2972 * rather than the proxy object.
2975 cominterop_get_invoke (MonoMethod *method)
2977 MonoMethodSignature *sig;
2978 MonoMethodBuilder *mb;
2981 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
2985 if ((res = mono_marshal_find_in_cache (cache, method)))
2988 sig = signature_no_pinvoke (method);
2990 /* we cant remote methods without this pointer */
2994 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
2996 /* get real proxy object, which is a ComInteropProxy in this case*/
2997 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2998 mono_mb_emit_ldarg (mb, 0);
2999 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3000 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3002 /* load the RCW from the ComInteropProxy*/
3003 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3004 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3006 /* load args and make the call on the RCW */
3007 for (i = 1; i <= sig->param_count; i++)
3008 mono_mb_emit_ldarg (mb, i);
3010 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3011 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3012 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3015 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3016 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3018 mono_mb_emit_op (mb, CEE_CALL, method);
3021 if (!strcmp(method->name, ".ctor")) {
3022 static MonoClass *com_interop_proxy_class = NULL;
3023 static MonoMethod *cache_proxy = NULL;
3025 if (!com_interop_proxy_class)
3026 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
3028 cache_proxy = mono_class_get_method_from_name (com_interop_proxy_class, "CacheProxy", 0);
3030 mono_mb_emit_ldarg (mb, 0);
3031 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3032 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3033 mono_mb_emit_managed_call (mb, cache_proxy, NULL);
3036 emit_thread_interrupt_checkpoint (mb);
3038 mono_mb_emit_byte (mb, CEE_RET);
3040 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3047 mono_marshal_get_remoting_invoke (MonoMethod *method)
3049 MonoMethodSignature *sig;
3050 MonoMethodBuilder *mb;
3056 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3059 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3060 if ((method->klass->is_com_object || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3061 return cominterop_get_invoke(method);
3063 sig = signature_no_pinvoke (method);
3065 /* we cant remote methods without this pointer */
3069 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3072 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3073 mb->method->save_lmf = 1;
3075 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3077 mono_mb_emit_ptr (mb, method);
3078 mono_mb_emit_ldloc (mb, params_var);
3079 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3080 emit_thread_interrupt_checkpoint (mb);
3082 if (sig->ret->type == MONO_TYPE_VOID) {
3083 mono_mb_emit_byte (mb, CEE_POP);
3084 mono_mb_emit_byte (mb, CEE_RET);
3086 mono_mb_emit_restore_result (mb, sig->ret);
3089 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3095 /* mono_get_xdomain_marshal_type()
3096 * Returns the kind of marshalling that a type needs for cross domain calls.
3098 static MonoXDomainMarshalType
3099 mono_get_xdomain_marshal_type (MonoType *t)
3102 case MONO_TYPE_VOID:
3103 g_assert_not_reached ();
3107 case MONO_TYPE_BOOLEAN:
3110 case MONO_TYPE_CHAR:
3117 return MONO_MARSHAL_NONE;
3118 case MONO_TYPE_STRING:
3119 return MONO_MARSHAL_COPY;
3120 case MONO_TYPE_ARRAY:
3121 case MONO_TYPE_SZARRAY: {
3122 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3123 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3124 return MONO_MARSHAL_COPY;
3129 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
3130 return MONO_MARSHAL_COPY;
3132 return MONO_MARSHAL_SERIALIZE;
3136 /* mono_marshal_xdomain_copy_value
3137 * Makes a copy of "val" suitable for the current domain.
3140 mono_marshal_xdomain_copy_value (MonoObject *val)
3143 if (val == NULL) return NULL;
3145 domain = mono_domain_get ();
3147 switch (mono_object_class (val)->byval_arg.type) {
3148 case MONO_TYPE_VOID:
3149 g_assert_not_reached ();
3153 case MONO_TYPE_BOOLEAN:
3156 case MONO_TYPE_CHAR:
3162 case MONO_TYPE_R8: {
3163 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3165 case MONO_TYPE_STRING: {
3166 MonoString *str = (MonoString *) val;
3167 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3169 case MONO_TYPE_ARRAY:
3170 case MONO_TYPE_SZARRAY: {
3172 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3173 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3174 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3175 if (mt == MONO_MARSHAL_COPY) {
3176 int i, len = mono_array_length (acopy);
3177 for (i = 0; i < len; i++) {
3178 MonoObject *item = mono_array_get (acopy, gpointer, i);
3179 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3182 return (MonoObject *) acopy;
3186 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3187 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3188 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3189 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3190 newsb->length = oldsb->length;
3191 newsb->max_capacity = (gint32)0x7fffffff;
3192 return (MonoObject *) newsb;
3197 /* mono_marshal_xdomain_copy_out_value()
3198 * Copies the contents of the src instance into the dst instance. src and dst
3199 * must have the same type, and if they are arrays, the same size.
3202 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3204 if (src == NULL || dst == NULL) return;
3206 g_assert (mono_object_class (src) == mono_object_class (dst));
3208 switch (mono_object_class (src)->byval_arg.type) {
3209 case MONO_TYPE_ARRAY:
3210 case MONO_TYPE_SZARRAY: {
3211 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3212 if (mt == MONO_MARSHAL_SERIALIZE) return;
3213 if (mt == MONO_MARSHAL_COPY) {
3214 int i, len = mono_array_length ((MonoArray *)dst);
3215 for (i = 0; i < len; i++) {
3216 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3217 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3220 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3226 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3227 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3228 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3230 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)));
3231 dst_sb->cached_str = NULL;
3232 dst_sb->length = src_sb->length;
3237 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3239 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3240 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3244 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3246 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3249 /* mono_marshal_supports_fast_xdomain()
3250 * Returns TRUE if the method can use the fast xdomain wrapper.
3253 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3255 return !method->klass->contextbound &&
3256 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3260 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3262 MonoDomain *current_domain = mono_domain_get ();
3263 MonoDomain *domain = mono_domain_get_by_id (id);
3265 if (!domain || !mono_domain_set (domain, FALSE))
3266 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3269 mono_thread_push_appdomain_ref (domain);
3271 mono_thread_pop_appdomain_ref ();
3273 return current_domain->domain_id;
3277 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3279 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3282 /* mono_marshal_emit_load_domain_method ()
3283 * Loads into the stack a pointer to the code of the provided method for
3284 * the current domain.
3287 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3289 /* We need a pointer to the method for the running domain (not the domain
3290 * that compiles the method).
3292 mono_mb_emit_ptr (mb, method);
3293 mono_mb_emit_icall (mb, mono_compile_method);
3296 /* mono_marshal_check_domain_image ()
3297 * Returns TRUE if the image is loaded in the specified
3298 * application domain.
3301 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
3306 MonoDomain *domain = mono_domain_get_by_id (domain_id);
3308 mono_domain_assemblies_lock (domain);
3309 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
3311 if (ass->image == image)
3314 mono_domain_assemblies_unlock (domain);
3319 /* mono_marshal_get_xappdomain_dispatch ()
3320 * Generates a method that dispatches a method call from another domain into
3321 * the current domain.
3324 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3326 MonoMethodSignature *sig, *csig;
3327 MonoMethodBuilder *mb;
3329 int i, j, param_index, copy_locals_base;
3330 MonoClass *ret_class = NULL;
3331 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3332 MonoExceptionClause *main_clause;
3333 MonoMethodHeader *header;
3335 gboolean copy_return;
3337 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3340 sig = mono_method_signature (method);
3341 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3344 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3345 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3346 csig->params [j++] = &byte_array_class->this_arg;
3347 csig->params [j++] = &byte_array_class->this_arg;
3348 for (i = 0; i < sig->param_count; i++) {
3349 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3350 csig->params [j++] = sig->params [i];
3353 csig->ret = sig->ret;
3355 csig->ret = &mono_defaults.void_class->byval_arg;
3357 csig->hasthis = FALSE;
3359 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3360 mb->method->save_lmf = 1;
3364 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3365 if (complex_count > 0)
3366 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3367 if (sig->ret->type != MONO_TYPE_VOID) {
3368 loc_return = mono_mb_add_local (mb, sig->ret);
3369 ret_class = mono_class_from_mono_type (sig->ret);
3374 main_clause = g_new0 (MonoExceptionClause, 1);
3375 main_clause->try_offset = mb->pos;
3377 /* Clean the call context */
3379 mono_mb_emit_byte (mb, CEE_LDNULL);
3380 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3381 mono_mb_emit_byte (mb, CEE_POP);
3383 /* Deserialize call data */
3385 mono_mb_emit_ldarg (mb, 1);
3386 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3387 mono_mb_emit_byte (mb, CEE_DUP);
3388 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3390 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3391 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3393 if (complex_count > 0)
3394 mono_mb_emit_stloc (mb, loc_array);
3396 mono_mb_emit_byte (mb, CEE_POP);
3398 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3400 /* Get the target object */
3402 mono_mb_emit_ldarg (mb, 0);
3403 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3405 /* Load the arguments */
3407 copy_locals_base = mb->locals;
3408 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3410 for (i = 0; i < sig->param_count; i++) {
3411 MonoType *pt = sig->params [i];
3412 MonoClass *pclass = mono_class_from_mono_type (pt);
3413 switch (marshal_types [i]) {
3414 case MONO_MARSHAL_SERIALIZE: {
3415 /* take the value from the serialized array */
3416 mono_mb_emit_ldloc (mb, loc_array);
3417 mono_mb_emit_icon (mb, j++);
3419 if (pclass->valuetype) {
3420 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3421 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3423 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
3426 if (pclass->valuetype) {
3427 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3428 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3429 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3431 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3432 if (pclass != mono_defaults.object_class) {
3433 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3439 case MONO_MARSHAL_COPY_OUT: {
3440 /* Keep a local copy of the value since we need to copy it back after the call */
3441 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3442 mono_mb_emit_ldarg (mb, param_index++);
3443 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3444 mono_mb_emit_byte (mb, CEE_DUP);
3445 mono_mb_emit_stloc (mb, copy_local);
3448 case MONO_MARSHAL_COPY: {
3449 mono_mb_emit_ldarg (mb, param_index);
3451 mono_mb_emit_byte (mb, CEE_DUP);
3452 mono_mb_emit_byte (mb, CEE_DUP);
3453 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3454 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3455 mono_mb_emit_byte (mb, CEE_STIND_REF);
3457 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3462 case MONO_MARSHAL_NONE:
3463 mono_mb_emit_ldarg (mb, param_index++);
3468 /* Make the call to the real object */
3470 emit_thread_force_interrupt_checkpoint (mb);
3472 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
3474 if (sig->ret->type != MONO_TYPE_VOID)
3475 mono_mb_emit_stloc (mb, loc_return);
3477 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3481 for (i = 0; i < sig->param_count; i++) {
3482 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3483 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3484 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3485 mono_mb_emit_ldarg (mb, param_index);
3486 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3491 /* Serialize the return values */
3493 if (complex_out_count > 0) {
3494 /* Reset parameters in the array that don't need to be serialized back */
3496 for (i = 0; i < sig->param_count; i++) {
3497 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3498 if (!sig->params [i]->byref) {
3499 mono_mb_emit_ldloc (mb, loc_array);
3500 mono_mb_emit_icon (mb, j);
3501 mono_mb_emit_byte (mb, CEE_LDNULL);
3502 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3507 /* Add the return value to the array */
3509 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3510 mono_mb_emit_ldloc (mb, loc_array);
3511 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3512 mono_mb_emit_ldloc (mb, loc_return);
3513 if (ret_class->valuetype) {
3514 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3516 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3521 mono_mb_emit_ldarg (mb, 1);
3522 mono_mb_emit_ldloc (mb, loc_array);
3523 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3524 mono_mb_emit_byte (mb, CEE_STIND_REF);
3525 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3526 mono_mb_emit_ldarg (mb, 1);
3527 mono_mb_emit_ldloc (mb, loc_return);
3528 if (ret_class->valuetype) {
3529 mono_mb_emit_op (mb, CEE_BOX, ret_class);
3531 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3532 mono_mb_emit_byte (mb, CEE_STIND_REF);
3534 mono_mb_emit_ldarg (mb, 1);
3535 mono_mb_emit_byte (mb, CEE_LDNULL);
3536 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3537 mono_mb_emit_byte (mb, CEE_STIND_REF);
3540 mono_mb_emit_ldarg (mb, 2);
3541 mono_mb_emit_byte (mb, CEE_LDNULL);
3542 mono_mb_emit_byte (mb, CEE_STIND_REF);
3543 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
3545 /* Main exception catch */
3546 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3547 main_clause->try_len = mb->pos - main_clause->try_offset;
3548 main_clause->data.catch_class = mono_defaults.object_class;
3551 main_clause->handler_offset = mb->pos;
3552 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3553 mono_mb_emit_stloc (mb, loc_serialized_exc);
3554 mono_mb_emit_ldarg (mb, 2);
3555 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3556 mono_mb_emit_byte (mb, CEE_STIND_REF);
3557 mono_mb_emit_branch (mb, CEE_LEAVE);
3558 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3561 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3564 mono_mb_emit_ldloc (mb, loc_return);
3566 mono_mb_emit_byte (mb, CEE_RET);
3568 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3571 header = ((MonoMethodNormal *)res)->header;
3572 header->num_clauses = 1;
3573 header->clauses = main_clause;
3578 /* mono_marshal_get_xappdomain_invoke ()
3579 * Generates a fast remoting wrapper for cross app domain calls.
3582 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3584 MonoMethodSignature *sig;
3585 MonoMethodBuilder *mb;
3587 int i, j, complex_count, complex_out_count, copy_locals_base;
3589 MonoClass *ret_class = NULL;
3590 MonoMethod *xdomain_method;
3591 int ret_marshal_type = MONO_MARSHAL_NONE;
3592 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3593 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3594 int pos, pos_dispatch, pos_noex;
3595 gboolean copy_return = FALSE;
3599 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3602 /* we cant remote methods without this pointer */
3603 if (!mono_method_signature (method)->hasthis)
3606 if (!mono_marshal_supports_fast_xdomain (method))
3607 return mono_marshal_get_remoting_invoke (method);
3609 mono_remoting_marshal_init ();
3611 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3614 sig = signature_no_pinvoke (method);
3616 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3617 mb->method->save_lmf = 1;
3619 /* Count the number of parameters that need to be serialized */
3621 marshal_types = alloca (sizeof (int) * sig->param_count);
3622 complex_count = complex_out_count = 0;
3623 for (i = 0; i < sig->param_count; i++) {
3624 MonoType *ptype = sig->params[i];
3625 int mt = mono_get_xdomain_marshal_type (ptype);
3627 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3628 * the copy will be made by reusing the original object instance
3630 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3631 mt = MONO_MARSHAL_COPY_OUT;
3632 else if (mt == MONO_MARSHAL_SERIALIZE) {
3634 if (ptype->byref) complex_out_count++;
3636 marshal_types [i] = mt;
3639 if (sig->ret->type != MONO_TYPE_VOID) {
3640 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3641 ret_class = mono_class_from_mono_type (sig->ret);
3642 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3647 if (complex_count > 0)
3648 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3649 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3650 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3652 loc_return = mono_mb_add_local (mb, sig->ret);
3653 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3654 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3655 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3656 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3658 /* Save thread domain data */
3660 mono_mb_emit_icall (mb, mono_context_get);
3661 mono_mb_emit_byte (mb, CEE_DUP);
3662 mono_mb_emit_stloc (mb, loc_context);
3664 /* If the thread is not running in the default context, it needs to go
3665 * through the whole remoting sink, since the context is going to change
3667 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3668 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
3670 /* Another case in which the fast path can't be used: when the target domain
3671 * has a different image for the same assembly.
3674 /* Get the target domain id */
3676 mono_mb_emit_ldarg (mb, 0);
3677 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3678 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3679 mono_mb_emit_byte (mb, CEE_DUP);
3680 mono_mb_emit_stloc (mb, loc_real_proxy);
3682 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3683 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3684 mono_mb_emit_stloc (mb, loc_domainid);
3686 /* Check if the target domain has the same image for the required assembly */
3688 mono_mb_emit_ldloc (mb, loc_domainid);
3689 mono_mb_emit_ptr (mb, method->klass->image);
3690 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
3691 mono_mb_emit_byte (mb, CEE_BRTRUE_S);
3692 pos_dispatch = mb->pos;
3693 mono_mb_emit_byte (mb, 0);
3695 /* Use the whole remoting sink to dispatch this message */
3697 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
3699 mono_mb_emit_ldarg (mb, 0);
3700 for (i = 0; i < sig->param_count; i++)
3701 mono_mb_emit_ldarg (mb, i + 1);
3703 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3704 mono_mb_emit_byte (mb, CEE_RET);
3705 mono_mb_patch_addr_s (mb, pos_dispatch, mb->pos - pos_dispatch - 1);
3707 /* Create the array that will hold the parameters to be serialized */
3709 if (complex_count > 0) {
3710 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 */
3711 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
3714 for (i = 0; i < sig->param_count; i++) {
3716 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3717 pclass = mono_class_from_mono_type (sig->params[i]);
3718 mono_mb_emit_byte (mb, CEE_DUP);
3719 mono_mb_emit_icon (mb, j);
3720 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3721 if (sig->params[i]->byref) {
3722 if (pclass->valuetype)
3723 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3725 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3727 if (pclass->valuetype)
3728 mono_mb_emit_op (mb, CEE_BOX, pclass);
3729 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3732 mono_mb_emit_stloc (mb, loc_array);
3734 /* Serialize parameters */
3736 mono_mb_emit_ldloc (mb, loc_array);
3737 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3738 mono_mb_emit_stloc (mb, loc_serialized_data);
3740 mono_mb_emit_byte (mb, CEE_LDNULL);
3741 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3742 mono_mb_emit_stloc (mb, loc_serialized_data);
3747 mono_mb_emit_ldloc (mb, loc_domainid);
3748 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3749 mono_marshal_emit_switch_domain (mb);
3750 mono_mb_emit_stloc (mb, loc_old_domainid);
3752 /* Load the arguments */
3754 mono_mb_emit_ldloc (mb, loc_real_proxy);
3755 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3756 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3758 copy_locals_base = mb->locals;
3759 for (i = 0; i < sig->param_count; i++) {
3760 switch (marshal_types [i]) {
3761 case MONO_MARSHAL_SERIALIZE:
3763 case MONO_MARSHAL_COPY: {
3764 mono_mb_emit_ldarg (mb, i+1);
3765 if (sig->params [i]->byref) {
3766 /* make a local copy of the byref parameter. The real parameter
3767 * will be updated after the xdomain call
3769 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3770 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3771 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3772 mono_mb_emit_stloc (mb, copy_local);
3773 mono_mb_emit_ldloc_addr (mb, copy_local);
3777 case MONO_MARSHAL_COPY_OUT:
3778 case MONO_MARSHAL_NONE:
3779 mono_mb_emit_ldarg (mb, i+1);
3784 /* Make the call to the invoke wrapper in the target domain */
3786 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3787 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3788 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3791 mono_mb_emit_stloc (mb, loc_return);
3795 mono_mb_emit_ldloc (mb, loc_old_domainid);
3796 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3797 mono_marshal_emit_switch_domain (mb);
3798 mono_mb_emit_byte (mb, CEE_POP);
3800 /* Restore thread domain data */
3802 mono_mb_emit_ldloc (mb, loc_context);
3803 mono_mb_emit_icall (mb, mono_context_set);
3805 /* if (loc_serialized_exc != null) ... */
3807 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3808 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3810 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3811 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3812 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3813 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
3814 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3815 mono_mb_emit_byte (mb, CEE_THROW);
3816 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
3818 /* copy back non-serialized output parameters */
3821 for (i = 0; i < sig->param_count; i++) {
3822 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3823 mono_mb_emit_ldarg (mb, i + 1);
3824 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3825 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3826 mono_mb_emit_byte (mb, CEE_STIND_REF);
3829 /* Deserialize out parameters */
3831 if (complex_out_count > 0) {
3832 mono_mb_emit_ldloc (mb, loc_serialized_data);
3833 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3834 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3835 mono_mb_emit_stloc (mb, loc_array);
3837 /* Copy back output parameters and return type */
3840 for (i = 0; i < sig->param_count; i++) {
3841 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3842 if (sig->params[i]->byref) {
3843 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3844 mono_mb_emit_ldarg (mb, i + 1);
3845 mono_mb_emit_ldloc (mb, loc_array);
3846 mono_mb_emit_icon (mb, j);
3847 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3848 if (pclass->valuetype) {
3849 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
3850 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
3851 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
3853 if (pclass != mono_defaults.object_class)
3854 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
3855 mono_mb_emit_byte (mb, CEE_STIND_REF);
3861 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3862 mono_mb_emit_ldloc (mb, loc_array);
3863 mono_mb_emit_icon (mb, complex_count);
3864 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3865 if (ret_class->valuetype) {
3866 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3867 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3870 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3871 mono_mb_emit_ldloc (mb, loc_serialized_data);
3872 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3873 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3874 if (ret_class->valuetype) {
3875 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
3876 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
3877 } else if (ret_class != mono_defaults.object_class) {
3878 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
3881 mono_mb_emit_ldloc (mb, loc_serialized_data);
3882 mono_mb_emit_byte (mb, CEE_DUP);
3883 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
3884 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3886 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3887 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3888 mono_mb_emit_byte (mb, CEE_POP);
3892 mono_mb_emit_ldloc (mb, loc_return);
3893 if (ret_marshal_type == MONO_MARSHAL_COPY)
3894 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3897 mono_mb_emit_byte (mb, CEE_RET);
3899 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3906 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3908 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3909 return mono_marshal_get_xappdomain_invoke (method);
3910 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
3911 return cominterop_get_invoke (method);
3913 return mono_marshal_get_remoting_invoke (method);
3916 G_GNUC_UNUSED static gpointer
3917 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3919 if (rp->target_domain_id != -1)
3920 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3922 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3926 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3928 MonoMethodSignature *sig;
3929 MonoMethodBuilder *mb;
3930 MonoMethod *res, *native;
3931 int i, pos, pos_rem;
3935 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3938 sig = signature_no_pinvoke (method);
3940 /* we cant remote methods without this pointer */
3941 g_assert (sig->hasthis);
3943 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3946 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3948 for (i = 0; i <= sig->param_count; i++)
3949 mono_mb_emit_ldarg (mb, i);
3951 mono_mb_emit_ldarg (mb, 0);
3952 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3954 if (mono_marshal_supports_fast_xdomain (method)) {
3955 mono_mb_emit_ldarg (mb, 0);
3956 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3958 /* wrapper for cross app domain calls */
3959 native = mono_marshal_get_xappdomain_invoke (method);
3960 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3961 mono_mb_emit_byte (mb, CEE_RET);
3963 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3965 /* wrapper for normal remote calls */
3966 native = mono_marshal_get_remoting_invoke (method);
3967 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3968 mono_mb_emit_byte (mb, CEE_RET);
3971 mono_mb_patch_branch (mb, pos);
3972 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3973 mono_mb_emit_byte (mb, CEE_RET);
3975 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3982 * the returned method invokes all methods in a multicast delegate
3985 mono_marshal_get_delegate_invoke (MonoMethod *method)
3987 MonoMethodSignature *sig, *static_sig;
3989 MonoMethodBuilder *mb;
3995 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3996 !strcmp (method->name, "Invoke"));
3998 sig = signature_no_pinvoke (method);
4000 cache = method->klass->image->delegate_invoke_cache;
4001 if ((res = mono_marshal_find_in_cache (cache, sig)))
4004 static_sig = signature_dup (method->klass->image, sig);
4005 static_sig->hasthis = 0;
4007 name = mono_signature_to_name (sig, "invoke");
4008 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
4011 /* allocate local 0 (object) */
4012 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4014 g_assert (sig->hasthis);
4018 * prev.Invoke( args .. );
4019 * return this.<target>( args .. );
4022 /* this wrapper can be used in unmanaged-managed transitions */
4023 emit_thread_interrupt_checkpoint (mb);
4025 /* get this->prev */
4026 mono_mb_emit_ldarg (mb, 0);
4027 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4028 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4029 mono_mb_emit_stloc (mb, 0);
4031 /* if prev != null */
4032 mono_mb_emit_ldloc (mb, 0);
4033 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4036 mono_mb_emit_ldloc (mb, 0);
4037 for (i = 0; i < sig->param_count; i++)
4038 mono_mb_emit_ldarg (mb, i + 1);
4039 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4040 if (sig->ret->type != MONO_TYPE_VOID)
4041 mono_mb_emit_byte (mb, CEE_POP);
4043 /* continued or prev == null */
4044 mono_mb_patch_branch (mb, pos0);
4046 /* get this->target */
4047 mono_mb_emit_ldarg (mb, 0);
4048 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4049 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4050 mono_mb_emit_stloc (mb, 0);
4052 /* if target != null */
4053 mono_mb_emit_ldloc (mb, 0);
4054 pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4056 /* then call this->method_ptr nonstatic */
4057 mono_mb_emit_ldloc (mb, 0);
4058 for (i = 0; i < sig->param_count; ++i)
4059 mono_mb_emit_ldarg (mb, i + 1);
4060 mono_mb_emit_ldarg (mb, 0);
4061 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4062 mono_mb_emit_byte (mb, CEE_LDIND_I );
4063 mono_mb_emit_op (mb, CEE_CALLI, sig);
4065 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4067 /* else [target == null] call this->method_ptr static */
4068 mono_mb_patch_branch (mb, pos0);
4070 for (i = 0; i < sig->param_count; ++i)
4071 mono_mb_emit_ldarg (mb, i + 1);
4072 mono_mb_emit_ldarg (mb, 0);
4073 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4074 mono_mb_emit_byte (mb, CEE_LDIND_I );
4075 mono_mb_emit_op (mb, CEE_CALLI, static_sig);
4078 mono_mb_patch_branch (mb, pos1);
4079 mono_mb_emit_byte (mb, CEE_RET);
4081 res = mono_mb_create_and_cache (cache, sig,
4082 mb, sig, sig->param_count + 16);
4089 * signature_dup_add_this:
4091 * Make a copy of @sig, adding an explicit this argument.
4093 static MonoMethodSignature*
4094 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4096 MonoMethodSignature *res;
4099 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4100 memcpy (res, sig, sizeof (MonoMethodSignature));
4101 res->param_count = sig->param_count + 1;
4102 res->hasthis = FALSE;
4103 for (i = sig->param_count - 1; i >= 0; i --)
4104 res->params [i + 1] = sig->params [i];
4105 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4112 MonoMethodSignature *sig;
4118 * generates IL code for the runtime invoke function
4119 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4121 * we also catch exceptions if exc != null
4124 mono_marshal_get_runtime_invoke (MonoMethod *method)
4126 MonoMethodSignature *sig, *csig, *callsig;
4127 MonoExceptionClause *clause;
4128 MonoMethodHeader *header;
4129 MonoMethodBuilder *mb;
4130 GHashTable *cache = NULL;
4131 MonoClass *target_klass;
4132 MonoMethod *res = NULL;
4134 static MonoString *string_dummy = NULL;
4135 static MonoMethodSignature *dealy_abort_sig = NULL;
4141 target_klass = method->klass;
4143 mono_marshal_lock ();
4145 if (method->string_ctor) {
4146 static GSList *strsig_list = NULL;
4150 for (item = strsig_list; item; item = item->next) {
4152 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
4158 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4159 callsig->ret = &mono_defaults.string_class->byval_arg;
4160 cs = g_new (CtorSigPair, 1);
4163 strsig_list = g_slist_prepend (strsig_list, cs);
4166 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4168 * Valuetype methods receive a managed pointer as the this argument.
4169 * Create a new signature to reflect this.
4171 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4173 callsig = mono_method_signature (method);
4177 cache = method->klass->image->runtime_invoke_cache;
4179 /* from mono_marshal_find_in_cache */
4180 res = g_hash_table_lookup (cache, callsig);
4181 mono_marshal_unlock ();
4187 if (!dealy_abort_sig) {
4188 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4189 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4190 dealy_abort_sig->pinvoke = 0;
4193 target_klass = mono_defaults.object_class;
4195 /* to make it work with our special string constructors */
4196 if (!string_dummy) {
4197 MONO_GC_REGISTER_ROOT (string_dummy);
4198 string_dummy = mono_string_new_wrapper ("dummy");
4201 sig = mono_method_signature (method);
4203 csig = mono_metadata_signature_alloc (method->klass->image, 4);
4205 csig->ret = &mono_defaults.object_class->byval_arg;
4206 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4207 csig->params [0] = callsig->params [0];
4209 csig->params [0] = &mono_defaults.object_class->byval_arg;
4210 csig->params [1] = &mono_defaults.int_class->byval_arg;
4211 csig->params [2] = &mono_defaults.int_class->byval_arg;
4212 csig->params [3] = &mono_defaults.int_class->byval_arg;
4214 name = mono_signature_to_name (callsig, "runtime_invoke");
4215 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4218 /* allocate local 0 (object) tmp */
4219 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4220 /* allocate local 1 (object) exc */
4221 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4223 /* cond set *exc to null */
4224 mono_mb_emit_byte (mb, CEE_LDARG_2);
4225 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4226 mono_mb_emit_byte (mb, 3);
4227 mono_mb_emit_byte (mb, CEE_LDARG_2);
4228 mono_mb_emit_byte (mb, CEE_LDNULL);
4229 mono_mb_emit_byte (mb, CEE_STIND_REF);
4231 emit_thread_force_interrupt_checkpoint (mb);
4234 if (method->string_ctor) {
4235 mono_mb_emit_ptr (mb, string_dummy);
4237 mono_mb_emit_ldarg (mb, 0);
4241 for (i = 0; i < sig->param_count; i++) {
4242 MonoType *t = sig->params [i];
4245 mono_mb_emit_ldarg (mb, 1);
4247 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4248 mono_mb_emit_byte (mb, CEE_ADD);
4250 mono_mb_emit_byte (mb, CEE_LDIND_I);
4255 type = sig->params [i]->type;
4259 case MONO_TYPE_BOOLEAN:
4263 case MONO_TYPE_CHAR:
4272 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4274 case MONO_TYPE_STRING:
4275 case MONO_TYPE_CLASS:
4276 case MONO_TYPE_ARRAY:
4278 case MONO_TYPE_SZARRAY:
4279 case MONO_TYPE_OBJECT:
4282 case MONO_TYPE_GENERICINST:
4283 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4289 case MONO_TYPE_VALUETYPE:
4290 if (t->data.klass->enumtype) {
4291 type = t->data.klass->enum_basetype->type;
4294 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4295 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4296 mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
4297 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4299 mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
4303 g_assert_not_reached ();
4307 mono_mb_emit_ldarg (mb, 3);
4308 mono_mb_emit_calli (mb, callsig);
4310 if (sig->ret->byref) {
4312 g_assert_not_reached ();
4316 switch (sig->ret->type) {
4317 case MONO_TYPE_VOID:
4318 if (!method->string_ctor)
4319 mono_mb_emit_byte (mb, CEE_LDNULL);
4321 case MONO_TYPE_BOOLEAN:
4322 case MONO_TYPE_CHAR:
4335 case MONO_TYPE_VALUETYPE:
4336 case MONO_TYPE_TYPEDBYREF:
4337 case MONO_TYPE_GENERICINST:
4338 /* box value types */
4339 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
4341 case MONO_TYPE_STRING:
4342 case MONO_TYPE_CLASS:
4343 case MONO_TYPE_ARRAY:
4344 case MONO_TYPE_SZARRAY:
4345 case MONO_TYPE_OBJECT:
4350 g_assert_not_reached ();
4353 mono_mb_emit_stloc (mb, 0);
4355 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
4357 mono_loader_lock ();
4358 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4359 mono_loader_unlock ();
4360 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4361 clause->try_len = mb->pos;
4364 clause->data.filter_offset = mb->pos;
4366 mono_mb_emit_byte (mb, CEE_POP);
4367 mono_mb_emit_byte (mb, CEE_LDARG_2);
4368 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4369 mono_mb_emit_byte (mb, CEE_PREFIX1);
4370 mono_mb_emit_byte (mb, CEE_CGT_UN);
4371 mono_mb_emit_byte (mb, CEE_PREFIX1);
4372 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4374 clause->handler_offset = mb->pos;
4377 /* store exception */
4378 mono_mb_emit_stloc (mb, 1);
4380 mono_mb_emit_byte (mb, CEE_LDARG_2);
4381 mono_mb_emit_ldloc (mb, 1);
4382 mono_mb_emit_byte (mb, CEE_STIND_REF);
4384 mono_mb_emit_byte (mb, CEE_LDNULL);
4385 mono_mb_emit_stloc (mb, 0);
4387 /* Check for the abort exception */
4388 mono_mb_emit_ldloc (mb, 1);
4389 mono_mb_emit_op (mb, CEE_ISINST, mono_defaults.threadabortexception_class);
4390 posna = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
4392 /* Delay the abort exception */
4393 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4395 mono_mb_patch_short_branch (mb, posna);
4396 mono_mb_emit_branch (mb, CEE_LEAVE);
4398 clause->handler_len = mb->pos - clause->handler_offset;
4401 mono_mb_patch_branch (mb, pos);
4402 mono_mb_emit_ldloc (mb, 0);
4403 mono_mb_emit_byte (mb, CEE_RET);
4405 /* taken from mono_mb_create_and_cache */
4406 mono_loader_lock ();
4407 mono_marshal_lock ();
4409 res = g_hash_table_lookup (cache, callsig);
4410 /* Somebody may have created it before us */
4412 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4413 g_hash_table_insert (cache, callsig, res);
4414 g_hash_table_insert (wrapper_hash, res, callsig);
4417 mono_marshal_unlock ();
4418 mono_loader_unlock ();
4419 /* end mono_mb_create_and_cache */
4423 header = ((MonoMethodNormal *)res)->header;
4424 header->num_clauses = 1;
4425 header->clauses = clause;
4431 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4433 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4434 klass->name_space, klass->name);
4436 mono_mb_emit_exception_marshal_directive (mb, msg);
4440 * mono_marshal_get_ldfld_remote_wrapper:
4441 * @klass: The return type
4443 * This method generates a wrapper for calling mono_load_remote_field_new with
4444 * the appropriate return type.
4447 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4449 MonoMethodSignature *sig, *csig;
4450 MonoMethodBuilder *mb;
4455 cache = klass->image->ldfld_remote_wrapper_cache;
4456 if ((res = mono_marshal_find_in_cache (cache, klass)))
4460 * This wrapper is similar to an icall wrapper but all the wrappers
4461 * call the same C function, but with a different signature.
4463 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4464 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4467 mb->method->save_lmf = 1;
4469 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4470 sig->params [0] = &mono_defaults.object_class->byval_arg;
4471 sig->params [1] = &mono_defaults.int_class->byval_arg;
4472 sig->params [2] = &mono_defaults.int_class->byval_arg;
4473 sig->ret = &klass->this_arg;
4475 mono_mb_emit_ldarg (mb, 0);
4476 mono_mb_emit_ldarg (mb, 1);
4477 mono_mb_emit_ldarg (mb, 2);
4479 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4480 csig->params [0] = &mono_defaults.object_class->byval_arg;
4481 csig->params [1] = &mono_defaults.int_class->byval_arg;
4482 csig->params [2] = &mono_defaults.int_class->byval_arg;
4483 csig->ret = &klass->this_arg;
4486 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4487 emit_thread_interrupt_checkpoint (mb);
4489 mono_mb_emit_byte (mb, CEE_RET);
4491 res = mono_mb_create_and_cache (cache, klass,
4492 mb, sig, sig->param_count + 16);
4499 * mono_marshal_get_ldfld_wrapper:
4500 * @type: the type of the field
4502 * This method generates a function which can be use to load a field with type
4503 * @type from an object. The generated function has the following signature:
4504 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4507 mono_marshal_get_ldfld_wrapper (MonoType *type)
4509 MonoMethodSignature *sig;
4510 MonoMethodBuilder *mb;
4515 int t, pos0, pos1 = 0;
4517 type = mono_type_get_underlying_type (type);
4522 if (type->type == MONO_TYPE_SZARRAY) {
4523 klass = mono_defaults.array_class;
4524 } else if (type->type == MONO_TYPE_VALUETYPE) {
4525 klass = type->data.klass;
4526 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4527 klass = mono_defaults.object_class;
4528 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4529 klass = mono_defaults.int_class;
4530 } else if (t == MONO_TYPE_GENERICINST) {
4531 if (mono_type_generic_inst_is_valuetype (type))
4532 klass = mono_class_from_mono_type (type);
4534 klass = mono_defaults.object_class;
4536 klass = mono_class_from_mono_type (type);
4539 klass = mono_defaults.int_class;
4542 cache = klass->image->ldfld_wrapper_cache;
4543 if ((res = mono_marshal_find_in_cache (cache, klass)))
4546 /* we add the %p pointer value of klass because class names are not unique */
4547 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4548 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4551 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4552 sig->params [0] = &mono_defaults.object_class->byval_arg;
4553 sig->params [1] = &mono_defaults.int_class->byval_arg;
4554 sig->params [2] = &mono_defaults.int_class->byval_arg;
4555 sig->params [3] = &mono_defaults.int_class->byval_arg;
4556 sig->ret = &klass->byval_arg;
4558 mono_mb_emit_ldarg (mb, 0);
4559 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4561 mono_mb_emit_ldarg (mb, 0);
4562 mono_mb_emit_ldarg (mb, 1);
4563 mono_mb_emit_ldarg (mb, 2);
4565 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4568 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4569 csig->params [0] = &mono_defaults.object_class->byval_arg;
4570 csig->params [1] = &mono_defaults.int_class->byval_arg;
4571 csig->params [2] = &mono_defaults.int_class->byval_arg;
4572 csig->ret = &klass->this_arg;
4575 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4576 emit_thread_interrupt_checkpoint (mb);
4579 if (klass->valuetype) {
4580 mono_mb_emit_op (mb, CEE_UNBOX, klass);
4581 pos1 = mono_mb_emit_branch (mb, CEE_BR);
4583 mono_mb_emit_byte (mb, CEE_RET);
4587 mono_mb_patch_branch (mb, pos0);
4589 mono_mb_emit_ldarg (mb, 0);
4590 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4591 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4592 mono_mb_emit_ldarg (mb, 3);
4593 mono_mb_emit_byte (mb, CEE_ADD);
4595 if (klass->valuetype)
4596 mono_mb_patch_branch (mb, pos1);
4601 case MONO_TYPE_BOOLEAN:
4602 case MONO_TYPE_CHAR:
4611 case MONO_TYPE_ARRAY:
4612 case MONO_TYPE_SZARRAY:
4613 case MONO_TYPE_OBJECT:
4614 case MONO_TYPE_CLASS:
4615 case MONO_TYPE_STRING:
4619 case MONO_TYPE_FNPTR:
4620 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4622 case MONO_TYPE_VALUETYPE:
4623 g_assert (!klass->enumtype);
4624 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4626 case MONO_TYPE_GENERICINST:
4627 if (mono_type_generic_inst_is_valuetype (type)) {
4628 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
4630 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4634 g_warning ("type %x not implemented", type->type);
4635 g_assert_not_reached ();
4638 mono_mb_emit_byte (mb, CEE_RET);
4640 res = mono_mb_create_and_cache (cache, klass,
4641 mb, sig, sig->param_count + 16);
4648 * mono_marshal_get_ldflda_wrapper:
4649 * @type: the type of the field
4651 * This method generates a function which can be used to load a field address
4652 * from an object. The generated function has the following signature:
4653 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4656 mono_marshal_get_ldflda_wrapper (MonoType *type)
4658 MonoMethodSignature *sig;
4659 MonoMethodBuilder *mb;
4666 type = mono_type_get_underlying_type (type);
4670 if (type->type == MONO_TYPE_SZARRAY) {
4671 klass = mono_defaults.array_class;
4672 } else if (type->type == MONO_TYPE_VALUETYPE) {
4673 klass = type->data.klass;
4674 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4675 t == MONO_TYPE_CLASS) {
4676 klass = mono_defaults.object_class;
4677 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4678 klass = mono_defaults.int_class;
4679 } else if (t == MONO_TYPE_GENERICINST) {
4680 if (mono_type_generic_inst_is_valuetype (type))
4681 klass = mono_class_from_mono_type (type);
4683 klass = mono_defaults.object_class;
4685 klass = mono_class_from_mono_type (type);
4688 klass = mono_defaults.int_class;
4691 cache = klass->image->ldflda_wrapper_cache;
4692 if ((res = mono_marshal_find_in_cache (cache, klass)))
4695 /* we add the %p pointer value of klass because class names are not unique */
4696 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4697 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4700 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4701 sig->params [0] = &mono_defaults.object_class->byval_arg;
4702 sig->params [1] = &mono_defaults.int_class->byval_arg;
4703 sig->params [2] = &mono_defaults.int_class->byval_arg;
4704 sig->params [3] = &mono_defaults.int_class->byval_arg;
4705 sig->ret = &mono_defaults.int_class->byval_arg;
4707 mono_mb_emit_ldarg (mb, 0);
4708 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4710 /* FIXME: Only throw this if the object is in another appdomain */
4711 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4713 mono_mb_patch_branch (mb, pos0);
4715 mono_mb_emit_ldarg (mb, 0);
4716 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4717 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4718 mono_mb_emit_ldarg (mb, 3);
4719 mono_mb_emit_byte (mb, CEE_ADD);
4721 mono_mb_emit_byte (mb, CEE_RET);
4723 res = mono_mb_create_and_cache (cache, klass,
4724 mb, sig, sig->param_count + 16);
4731 * mono_marshal_get_stfld_remote_wrapper:
4732 * klass: The type of the field
4734 * This function generates a wrapper for calling mono_store_remote_field_new
4735 * with the appropriate signature.
4738 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4740 MonoMethodSignature *sig, *csig;
4741 MonoMethodBuilder *mb;
4746 cache = klass->image->stfld_remote_wrapper_cache;
4747 if ((res = mono_marshal_find_in_cache (cache, klass)))
4750 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4751 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
4754 mb->method->save_lmf = 1;
4756 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4757 sig->params [0] = &mono_defaults.object_class->byval_arg;
4758 sig->params [1] = &mono_defaults.int_class->byval_arg;
4759 sig->params [2] = &mono_defaults.int_class->byval_arg;
4760 sig->params [3] = &klass->byval_arg;
4761 sig->ret = &mono_defaults.void_class->byval_arg;
4763 mono_mb_emit_ldarg (mb, 0);
4764 mono_mb_emit_ldarg (mb, 1);
4765 mono_mb_emit_ldarg (mb, 2);
4766 mono_mb_emit_ldarg (mb, 3);
4768 if (klass->valuetype)
4769 mono_mb_emit_op (mb, CEE_BOX, klass);
4771 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4772 csig->params [0] = &mono_defaults.object_class->byval_arg;
4773 csig->params [1] = &mono_defaults.int_class->byval_arg;
4774 csig->params [2] = &mono_defaults.int_class->byval_arg;
4775 csig->params [3] = &klass->byval_arg;
4776 csig->ret = &mono_defaults.void_class->byval_arg;
4779 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4780 emit_thread_interrupt_checkpoint (mb);
4782 mono_mb_emit_byte (mb, CEE_RET);
4784 res = mono_mb_create_and_cache (cache, klass,
4785 mb, sig, sig->param_count + 16);
4792 * mono_marshal_get_stfld_wrapper:
4793 * @type: the type of the field
4795 * This method generates a function which can be use to store a field with type
4796 * @type. The generated function has the following signature:
4797 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4800 mono_marshal_get_stfld_wrapper (MonoType *type)
4802 MonoMethodSignature *sig;
4803 MonoMethodBuilder *mb;
4810 type = mono_type_get_underlying_type (type);
4814 if (type->type == MONO_TYPE_SZARRAY) {
4815 klass = mono_defaults.array_class;
4816 } else if (type->type == MONO_TYPE_VALUETYPE) {
4817 klass = type->data.klass;
4818 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4819 klass = mono_defaults.object_class;
4820 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4821 klass = mono_defaults.int_class;
4822 } else if (t == MONO_TYPE_GENERICINST) {
4823 if (mono_type_generic_inst_is_valuetype (type))
4824 klass = mono_class_from_mono_type (type);
4826 klass = mono_defaults.object_class;
4828 klass = mono_class_from_mono_type (type);
4831 klass = mono_defaults.int_class;
4834 cache = klass->image->stfld_wrapper_cache;
4835 if ((res = mono_marshal_find_in_cache (cache, klass)))
4838 /* we add the %p pointer value of klass because class names are not unique */
4839 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4840 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4843 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4844 sig->params [0] = &mono_defaults.object_class->byval_arg;
4845 sig->params [1] = &mono_defaults.int_class->byval_arg;
4846 sig->params [2] = &mono_defaults.int_class->byval_arg;
4847 sig->params [3] = &mono_defaults.int_class->byval_arg;
4848 sig->params [4] = &klass->byval_arg;
4849 sig->ret = &mono_defaults.void_class->byval_arg;
4851 mono_mb_emit_ldarg (mb, 0);
4852 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4854 mono_mb_emit_ldarg (mb, 0);
4855 mono_mb_emit_ldarg (mb, 1);
4856 mono_mb_emit_ldarg (mb, 2);
4857 mono_mb_emit_ldarg (mb, 4);
4859 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4861 mono_mb_emit_byte (mb, CEE_RET);
4863 mono_mb_patch_branch (mb, pos);
4865 mono_mb_emit_ldarg (mb, 0);
4866 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4867 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4868 mono_mb_emit_ldarg (mb, 3);
4869 mono_mb_emit_byte (mb, CEE_ADD);
4870 mono_mb_emit_ldarg (mb, 4);
4875 case MONO_TYPE_BOOLEAN:
4876 case MONO_TYPE_CHAR:
4885 case MONO_TYPE_ARRAY:
4886 case MONO_TYPE_SZARRAY:
4887 case MONO_TYPE_OBJECT:
4888 case MONO_TYPE_CLASS:
4889 case MONO_TYPE_STRING:
4893 case MONO_TYPE_FNPTR:
4894 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4896 case MONO_TYPE_VALUETYPE:
4897 g_assert (!klass->enumtype);
4898 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4900 case MONO_TYPE_GENERICINST:
4901 mono_mb_emit_op (mb, CEE_STOBJ, klass);
4904 g_warning ("type %x not implemented", type->type);
4905 g_assert_not_reached ();
4908 mono_mb_emit_byte (mb, CEE_RET);
4910 res = mono_mb_create_and_cache (cache, klass,
4911 mb, sig, sig->param_count + 16);
4918 * generates IL code for the icall wrapper (the generated method
4919 * calls the unmanaged code in func)
4922 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4924 MonoMethodSignature *csig;
4925 MonoMethodBuilder *mb;
4929 g_assert (sig->pinvoke);
4931 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4933 mb->method->save_lmf = 1;
4935 /* we copy the signature, so that we can modify it */
4938 mono_mb_emit_byte (mb, CEE_LDARG_0);
4940 for (i = 0; i < sig->param_count; i++)
4941 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4943 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4944 emit_thread_interrupt_checkpoint (mb);
4945 mono_mb_emit_byte (mb, CEE_RET);
4947 csig = signature_dup (mono_defaults.corlib, sig);
4949 if (csig->call_convention == MONO_CALL_VARARG)
4950 csig->call_convention = 0;
4952 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4959 MonoMethodBuilder *mb;
4960 MonoMethodSignature *sig;
4961 MonoMethodPInvoke *piinfo;
4962 int *orig_conv_args; /* Locals containing the original values of byref args */
4964 MonoClass *retobj_class;
4965 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
4966 } EmitMarshalContext;
4969 MARSHAL_ACTION_CONV_IN,
4970 MARSHAL_ACTION_PUSH,
4971 MARSHAL_ACTION_CONV_OUT,
4972 MARSHAL_ACTION_CONV_RESULT,
4973 MARSHAL_ACTION_MANAGED_CONV_IN,
4974 MARSHAL_ACTION_MANAGED_CONV_OUT,
4975 MARSHAL_ACTION_MANAGED_CONV_RESULT
4979 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4980 MonoMarshalSpec *spec,
4981 int conv_arg, MonoType **conv_arg_type,
4982 MarshalAction action)
4986 static MonoClass *ICustomMarshaler = NULL;
4987 static MonoMethod *cleanup_native, *cleanup_managed;
4988 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4989 MonoMethod *get_instance;
4990 MonoMethodBuilder *mb = m->mb;
4991 char *exception_msg = NULL;
4995 if (!ICustomMarshaler) {
4996 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4997 g_assert (ICustomMarshaler);
4999 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5000 g_assert (cleanup_native);
5001 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5002 g_assert (cleanup_managed);
5003 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5004 g_assert (marshal_managed_to_native);
5005 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5006 g_assert (marshal_native_to_managed);
5009 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
5010 g_assert (mtype != NULL);
5011 mklass = mono_class_from_mono_type (mtype);
5012 g_assert (mklass != NULL);
5014 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5015 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5017 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5019 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5020 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5021 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5022 (get_sig->params [0]->type != MONO_TYPE_STRING))
5023 get_instance = NULL;
5027 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);
5029 /* Throw exception and emit compensation code if neccesary */
5030 if (exception_msg) {
5032 case MARSHAL_ACTION_CONV_IN:
5033 case MARSHAL_ACTION_CONV_RESULT:
5034 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5035 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5036 mono_mb_emit_byte (mb, CEE_POP);
5038 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5039 g_free (exception_msg);
5042 case MARSHAL_ACTION_PUSH:
5043 mono_mb_emit_byte (mb, CEE_LDNULL);
5051 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5052 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5055 case MARSHAL_ACTION_CONV_IN:
5057 case MONO_TYPE_CLASS:
5058 case MONO_TYPE_OBJECT:
5059 case MONO_TYPE_STRING:
5060 case MONO_TYPE_ARRAY:
5061 case MONO_TYPE_SZARRAY:
5062 case MONO_TYPE_VALUETYPE:
5066 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5067 g_assert_not_reached ();
5071 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5073 mono_mb_emit_byte (mb, CEE_LDNULL);
5074 mono_mb_emit_stloc (mb, conv_arg);
5076 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5079 /* Check for null */
5080 mono_mb_emit_ldarg (mb, argnum);
5082 mono_mb_emit_byte (mb, CEE_LDIND_I);
5083 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5085 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5087 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5089 mono_mb_emit_ldarg (mb, argnum);
5091 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5093 if (t->type == MONO_TYPE_VALUETYPE) {
5095 * Since we can't determine the type of the argument, we
5096 * will assume the unmanaged function takes a pointer.
5098 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5100 mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
5103 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5104 mono_mb_emit_stloc (mb, conv_arg);
5106 mono_mb_patch_branch (mb, pos2);
5109 case MARSHAL_ACTION_CONV_OUT:
5110 /* Check for null */
5111 mono_mb_emit_ldloc (mb, conv_arg);
5112 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5115 mono_mb_emit_ldarg (mb, argnum);
5117 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5119 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5121 mono_mb_emit_ldloc (mb, conv_arg);
5122 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5123 mono_mb_emit_byte (mb, CEE_STIND_REF);
5126 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5128 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5130 mono_mb_emit_ldloc (mb, conv_arg);
5132 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5134 mono_mb_patch_branch (mb, pos2);
5137 case MARSHAL_ACTION_PUSH:
5139 mono_mb_emit_ldloc_addr (mb, conv_arg);
5141 mono_mb_emit_ldloc (mb, conv_arg);
5144 case MARSHAL_ACTION_CONV_RESULT:
5145 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5147 mono_mb_emit_stloc (mb, 3);
5149 mono_mb_emit_ldloc (mb, 3);
5150 mono_mb_emit_stloc (mb, loc1);
5152 /* Check for null */
5153 mono_mb_emit_ldloc (mb, 3);
5154 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5156 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5158 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5159 mono_mb_emit_byte (mb, CEE_DUP);
5161 mono_mb_emit_ldloc (mb, 3);
5162 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5163 mono_mb_emit_stloc (mb, 3);
5165 mono_mb_emit_ldloc (mb, loc1);
5166 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
5168 mono_mb_patch_branch (mb, pos2);
5171 case MARSHAL_ACTION_MANAGED_CONV_IN:
5177 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5179 mono_mb_emit_byte (mb, CEE_LDNULL);
5180 mono_mb_emit_stloc (mb, conv_arg);
5182 /* Check for null */
5183 mono_mb_emit_ldarg (mb, argnum);
5184 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5186 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5187 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5189 mono_mb_emit_ldarg (mb, argnum);
5191 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
5192 mono_mb_emit_stloc (mb, conv_arg);
5194 mono_mb_patch_branch (mb, pos2);
5197 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5198 g_assert (!t->byref);
5200 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5202 mono_mb_emit_stloc (mb, 3);
5204 mono_mb_emit_ldloc (mb, 3);
5205 mono_mb_emit_stloc (mb, loc1);
5207 /* Check for null */
5208 mono_mb_emit_ldloc (mb, 3);
5209 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5211 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5212 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5213 mono_mb_emit_byte (mb, CEE_DUP);
5215 mono_mb_emit_ldloc (mb, 3);
5216 mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
5217 mono_mb_emit_stloc (mb, 3);
5219 mono_mb_emit_ldloc (mb, loc1);
5220 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5222 mono_mb_patch_branch (mb, pos2);
5225 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5226 g_assert (!t->byref);
5228 /* Check for null */
5229 mono_mb_emit_ldloc (mb, conv_arg);
5230 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5232 /* Call CleanUpManagedData */
5233 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5235 mono_mb_emit_op (mb, CEE_CALL, get_instance);
5237 mono_mb_emit_ldloc (mb, conv_arg);
5238 mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
5240 mono_mb_patch_branch (mb, pos2);
5244 g_assert_not_reached ();
5251 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5252 MonoMarshalSpec *spec,
5253 int conv_arg, MonoType **conv_arg_type,
5254 MarshalAction action)
5256 MonoMethodBuilder *mb = m->mb;
5259 case MARSHAL_ACTION_CONV_IN: {
5260 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5262 g_assert (t->type == MONO_TYPE_OBJECT);
5263 g_assert (!t->byref);
5265 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5266 mono_mb_emit_ldarg (mb, argnum);
5267 mono_mb_emit_icon (mb, encoding);
5268 mono_mb_emit_icon (mb, t->attrs);
5269 mono_mb_emit_icall (mb, mono_marshal_asany);
5270 mono_mb_emit_stloc (mb, conv_arg);
5274 case MARSHAL_ACTION_PUSH:
5275 mono_mb_emit_ldloc (mb, conv_arg);
5278 case MARSHAL_ACTION_CONV_OUT: {
5279 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5281 mono_mb_emit_ldarg (mb, argnum);
5282 mono_mb_emit_ldloc (mb, conv_arg);
5283 mono_mb_emit_icon (mb, encoding);
5284 mono_mb_emit_icon (mb, t->attrs);
5285 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5290 g_assert_not_reached ();
5297 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5298 MonoMarshalSpec *spec,
5299 int conv_arg, MonoType **conv_arg_type,
5300 MarshalAction action)
5302 MonoMethodBuilder *mb = m->mb;
5306 klass = t->data.klass;
5309 case MARSHAL_ACTION_CONV_IN:
5310 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5311 klass->blittable || klass->enumtype)
5314 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5316 /* store the address of the source into local variable 0 */
5318 mono_mb_emit_ldarg (mb, argnum);
5320 mono_mb_emit_ldarg_addr (mb, argnum);
5322 mono_mb_emit_stloc (mb, 0);
5324 /* allocate space for the native struct and
5325 * store the address into local variable 1 (dest) */
5326 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5327 mono_mb_emit_byte (mb, CEE_PREFIX1);
5328 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5329 mono_mb_emit_stloc (mb, conv_arg);
5332 mono_mb_emit_ldloc (mb, 0);
5333 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5336 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5338 mono_mb_emit_ldloc (mb, conv_arg);
5339 mono_mb_emit_stloc (mb, 1);
5341 /* emit valuetype conversion code */
5342 emit_struct_conv (mb, klass, FALSE);
5346 mono_mb_patch_branch (mb, pos);
5349 case MARSHAL_ACTION_PUSH:
5350 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5352 g_assert (!t->byref);
5354 /* Have to change the signature since the vtype is passed byref */
5355 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5357 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5358 klass->blittable || klass->enumtype)
5359 mono_mb_emit_ldarg_addr (mb, argnum);
5361 mono_mb_emit_ldloc (mb, conv_arg);
5365 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5366 klass->blittable || klass->enumtype) {
5367 mono_mb_emit_ldarg (mb, argnum);
5370 mono_mb_emit_ldloc (mb, conv_arg);
5372 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5373 mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
5377 case MARSHAL_ACTION_CONV_OUT:
5378 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5379 klass->blittable || klass->enumtype)
5383 /* dst = argument */
5384 mono_mb_emit_ldarg (mb, argnum);
5385 mono_mb_emit_stloc (mb, 1);
5387 mono_mb_emit_ldloc (mb, 1);
5388 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5390 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5391 /* src = tmp_locals [i] */
5392 mono_mb_emit_ldloc (mb, conv_arg);
5393 mono_mb_emit_stloc (mb, 0);
5395 /* emit valuetype conversion code */
5396 emit_struct_conv (mb, klass, TRUE);
5400 emit_struct_free (mb, klass, conv_arg);
5403 mono_mb_patch_branch (mb, pos);
5406 case MARSHAL_ACTION_CONV_RESULT:
5407 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5409 mono_mb_emit_stloc (mb, 3);
5412 /* load pointer to returned value type */
5413 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5414 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5415 /* store the address of the source into local variable 0 */
5416 mono_mb_emit_stloc (mb, 0);
5418 mono_mb_emit_ldloc_addr (mb, 3);
5419 mono_mb_emit_stloc (mb, 1);
5421 /* emit valuetype conversion code */
5422 emit_struct_conv (mb, klass, TRUE);
5425 case MARSHAL_ACTION_MANAGED_CONV_IN:
5426 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5427 klass->blittable || klass->enumtype) {
5432 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5434 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5438 mono_mb_emit_ldarg (mb, argnum);
5440 mono_mb_emit_ldarg_addr (mb, argnum);
5441 mono_mb_emit_stloc (mb, 0);
5444 mono_mb_emit_ldloc (mb, 0);
5445 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5448 mono_mb_emit_ldloc_addr (mb, conv_arg);
5449 mono_mb_emit_stloc (mb, 1);
5451 /* emit valuetype conversion code */
5452 emit_struct_conv (mb, klass, TRUE);
5455 mono_mb_patch_branch (mb, pos);
5458 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5459 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5460 klass->blittable || klass->enumtype) {
5464 /* Check for null */
5465 mono_mb_emit_ldarg (mb, argnum);
5466 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5469 mono_mb_emit_ldloc_addr (mb, conv_arg);
5470 mono_mb_emit_stloc (mb, 0);
5473 mono_mb_emit_ldarg (mb, argnum);
5474 mono_mb_emit_stloc (mb, 1);
5476 /* emit valuetype conversion code */
5477 emit_struct_conv (mb, klass, FALSE);
5479 mono_mb_patch_branch (mb, pos2);
5482 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5483 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5484 klass->blittable || klass->enumtype) {
5485 mono_mb_emit_stloc (mb, 3);
5490 /* load pointer to returned value type */
5491 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5492 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5494 /* store the address of the source into local variable 0 */
5495 mono_mb_emit_stloc (mb, 0);
5496 /* allocate space for the native struct and
5497 * store the address into dst_ptr */
5498 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5499 m->retobj_class = klass;
5500 g_assert (m->retobj_var);
5501 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5502 mono_mb_emit_byte (mb, CEE_CONV_I);
5503 mono_mb_emit_icall (mb, mono_marshal_alloc);
5504 mono_mb_emit_stloc (mb, 1);
5505 mono_mb_emit_ldloc (mb, 1);
5506 mono_mb_emit_stloc (mb, m->retobj_var);
5508 /* emit valuetype conversion code */
5509 emit_struct_conv (mb, klass, FALSE);
5513 g_assert_not_reached ();
5520 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5521 MonoMarshalSpec *spec,
5522 int conv_arg, MonoType **conv_arg_type,
5523 MarshalAction action)
5525 MonoMethodBuilder *mb = m->mb;
5526 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5527 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5531 case MARSHAL_ACTION_CONV_IN:
5532 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5533 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5536 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5539 mono_mb_emit_ldarg (mb, argnum);
5540 mono_mb_emit_byte (mb, CEE_LDIND_I);
5542 mono_mb_emit_ldarg (mb, argnum);
5546 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5547 MonoException *exc = mono_get_exception_not_implemented (msg);
5550 mono_raise_exception (exc);
5553 mono_mb_emit_icall (mb, conv_to_icall (conv));
5555 mono_mb_emit_stloc (mb, conv_arg);
5558 case MARSHAL_ACTION_CONV_OUT:
5559 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5560 mono_mb_emit_ldarg (mb, argnum);
5561 mono_mb_emit_ldloc (mb, conv_arg);
5562 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5563 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5564 // BSTRs always need freed
5565 mono_mb_emit_ldloc (mb, conv_arg);
5566 mono_mb_emit_icall (mb, mono_free_bstr);
5569 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5570 mono_mb_emit_byte (mb, CEE_STIND_REF);
5572 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5573 mono_mb_emit_ldloc (mb, conv_arg);
5574 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5575 mono_mb_emit_icall (mb, mono_free_bstr);
5577 mono_mb_emit_icall (mb, mono_marshal_free);
5582 case MARSHAL_ACTION_PUSH:
5584 mono_mb_emit_ldloc_addr (mb, conv_arg);
5586 mono_mb_emit_ldloc (mb, conv_arg);
5589 case MARSHAL_ACTION_CONV_RESULT:
5590 mono_mb_emit_stloc (mb, 0);
5592 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5594 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5595 mono_mb_emit_exception_marshal_directive (mb, msg);
5599 mono_mb_emit_ldloc (mb, 0);
5600 mono_mb_emit_icall (mb, conv_to_icall (conv));
5601 mono_mb_emit_stloc (mb, 3);
5603 /* free the string */
5604 mono_mb_emit_ldloc (mb, 0);
5605 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5606 mono_mb_emit_icall (mb, mono_free_bstr);
5608 mono_mb_emit_icall (mb, g_free);
5611 case MARSHAL_ACTION_MANAGED_CONV_IN:
5617 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5618 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5620 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5622 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5623 mono_mb_emit_exception_marshal_directive (mb, msg);
5627 mono_mb_emit_ldarg (mb, argnum);
5628 mono_mb_emit_icall (mb, conv_to_icall (conv));
5629 mono_mb_emit_stloc (mb, conv_arg);
5632 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5633 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
5634 mono_mb_emit_stloc (mb, 3);
5638 g_assert_not_reached ();
5645 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5646 MonoMarshalSpec *spec,
5647 int conv_arg, MonoType **conv_arg_type,
5648 MarshalAction action)
5650 MonoMethodBuilder *mb = m->mb;
5651 MonoClass *klass = t->data.klass;
5654 if (mono_class_from_mono_type (t) == mono_defaults.object_class &&
5655 (!spec || (spec && spec->native != MONO_NATIVE_STRUCT)) &&
5656 (!spec || (spec && (spec->native != MONO_NATIVE_IUNKNOWN &&
5657 spec->native != MONO_NATIVE_IDISPATCH &&
5658 spec->native != MONO_NATIVE_INTERFACE)))) {
5659 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
5663 case MARSHAL_ACTION_CONV_IN:
5664 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5665 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5667 m->orig_conv_args [argnum] = 0;
5669 if (spec && spec->native == MONO_NATIVE_STRUCT)
5671 static MonoMethod *get_native_variant_for_object = NULL;
5673 if (!get_native_variant_for_object)
5674 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5676 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
5678 local_variant = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
5679 conv_arg = local_variant;
5680 mono_mb_emit_ldarg (mb, argnum);
5682 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5683 mono_mb_emit_ldloc_addr (mb, local_variant);
5684 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5686 else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5687 spec->native == MONO_NATIVE_IDISPATCH ||
5688 spec->native == MONO_NATIVE_INTERFACE)) {
5689 mono_mb_emit_ptr (mb, 0);
5690 mono_mb_emit_stloc (mb, conv_arg);
5693 /* we dont need any conversions for out parameters */
5694 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5697 char *msg = g_strdup_printf ("non out object references are no implemented");
5698 MonoException *exc = mono_get_exception_not_implemented (msg);
5701 mono_raise_exception (exc);
5705 guint32 pos_failed = 0;
5706 mono_mb_emit_ldarg (mb, argnum);
5707 // if null just break, conv arg was already inited to 0
5708 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
5710 mono_mb_emit_ldarg (mb, argnum);
5711 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5712 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5714 /* load the RCW from the ComInteropProxy*/
5715 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
5716 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5718 if (klass && klass != mono_defaults.object_class) {
5719 static MonoMethod* GetInterface = NULL;
5722 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
5723 mono_mb_emit_ptr (mb, t);
5724 mono_mb_emit_icall (mb, type_from_handle);
5725 mono_mb_emit_managed_call (mb, GetInterface, NULL);
5727 else if (spec->native == MONO_NATIVE_IUNKNOWN) {
5728 static MonoProperty* iunknown = NULL;
5731 iunknown = mono_class_get_property_from_name (mono_defaults.com_object_class, "IUnknown");
5732 mono_mb_emit_managed_call (mb, iunknown->get, NULL);
5734 else if (spec->native == MONO_NATIVE_IDISPATCH) {
5735 static MonoProperty* idispatch = NULL;
5738 idispatch = mono_class_get_property_from_name (mono_defaults.com_object_class, "IDispatch");
5739 mono_mb_emit_managed_call (mb, idispatch->get, NULL);
5743 mono_mb_emit_stloc (mb, conv_arg);
5746 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
5749 else if (klass->delegate) {
5750 g_assert (!t->byref);
5751 mono_mb_emit_ldarg (mb, argnum);
5752 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5753 mono_mb_emit_stloc (mb, conv_arg);
5754 } else if (klass == mono_defaults.stringbuilder_class) {
5755 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5756 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5758 g_assert (!t->byref);
5759 mono_mb_emit_ldarg (mb, argnum);
5762 mono_mb_emit_icall (mb, conv_to_icall (conv));
5764 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5765 MonoException *exc = mono_get_exception_not_implemented (msg);
5768 mono_raise_exception (exc);
5771 mono_mb_emit_stloc (mb, conv_arg);
5772 } else if (klass->blittable) {
5773 mono_mb_emit_ldarg (mb, argnum);
5774 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5775 mono_mb_emit_stloc (mb, conv_arg);
5778 mono_mb_emit_byte (mb, CEE_LDNULL);
5779 mono_mb_emit_stloc (mb, conv_arg);
5782 /* we dont need any conversions for out parameters */
5783 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5786 mono_mb_emit_ldarg (mb, argnum);
5787 mono_mb_emit_byte (mb, CEE_LDIND_I);
5790 mono_mb_emit_ldarg (mb, argnum);
5791 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5792 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5795 /* store the address of the source into local variable 0 */
5796 mono_mb_emit_stloc (mb, 0);
5797 mono_mb_emit_ldloc (mb, 0);
5798 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5800 /* allocate space for the native struct and store the address */
5801 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5802 mono_mb_emit_byte (mb, CEE_PREFIX1);
5803 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5804 mono_mb_emit_stloc (mb, conv_arg);
5807 /* Need to store the original buffer so we can free it later */
5808 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5809 mono_mb_emit_ldloc (mb, conv_arg);
5810 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5813 /* set the src_ptr */
5814 mono_mb_emit_ldloc (mb, 0);
5815 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5816 mono_mb_emit_stloc (mb, 0);
5819 mono_mb_emit_ldloc (mb, conv_arg);
5820 mono_mb_emit_stloc (mb, 1);
5822 /* emit valuetype conversion code */
5823 emit_struct_conv (mb, klass, FALSE);
5825 mono_mb_patch_branch (mb, pos);
5829 case MARSHAL_ACTION_CONV_OUT:
5830 if (spec && spec->native == MONO_NATIVE_STRUCT) {
5831 static MonoMethod *variant_clear = NULL;
5832 static MonoMethod *get_object_for_native_variant = NULL;
5834 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
5835 if (!get_object_for_native_variant)
5836 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
5838 mono_mb_emit_ldarg (mb, argnum);
5839 mono_mb_emit_ldloc_addr (mb, conv_arg);
5840 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5841 mono_mb_emit_byte (mb, CEE_STIND_REF);
5844 mono_mb_emit_ldloc_addr (mb, conv_arg);
5845 mono_mb_emit_managed_call (mb, variant_clear, NULL);
5849 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5850 spec->native == MONO_NATIVE_IDISPATCH ||
5851 spec->native == MONO_NATIVE_INTERFACE)) {
5852 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5853 static MonoClass* com_interop_proxy_class = NULL;
5854 static MonoMethod* com_interop_proxy_get_proxy = NULL;
5855 static MonoMethod* get_transparent_proxy = NULL;
5857 guint32 pos_failed = 0;
5859 mono_mb_emit_ldarg (mb, argnum);
5860 mono_mb_emit_byte (mb, CEE_LDNULL);
5861 mono_mb_emit_byte (mb, CEE_STIND_REF);
5863 mono_mb_emit_ldloc (mb, conv_arg);
5864 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
5866 if (!com_interop_proxy_class)
5867 com_interop_proxy_class = mono_class_from_name (mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
5868 if (!com_interop_proxy_get_proxy)
5869 com_interop_proxy_get_proxy = mono_class_get_method_from_name_flags (com_interop_proxy_class, "GetProxy", 2, METHOD_ATTRIBUTE_PRIVATE);
5870 if (!get_transparent_proxy)
5871 get_transparent_proxy = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
5873 real_proxy = mono_mb_add_local (mb, &com_interop_proxy_class->byval_arg);
5875 mono_mb_emit_ldloc (mb, conv_arg);
5876 mono_mb_emit_ptr (mb, &mono_defaults.com_object_class->byval_arg);
5877 mono_mb_emit_icall (mb, type_from_handle);
5878 mono_mb_emit_managed_call (mb, com_interop_proxy_get_proxy, NULL);
5879 mono_mb_emit_stloc (mb, real_proxy);
5882 mono_mb_emit_ldarg (mb, argnum);
5883 mono_mb_emit_ldloc (mb, real_proxy);
5884 mono_mb_emit_managed_call (mb, get_transparent_proxy, NULL);
5885 if (klass && klass != mono_defaults.object_class)
5886 mono_mb_emit_op (mb, CEE_CASTCLASS, klass);
5887 mono_mb_emit_byte (mb, CEE_STIND_REF);
5890 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
5894 if (klass == mono_defaults.stringbuilder_class) {
5896 MonoMarshalNative encoding;
5897 MonoMarshalConv conv;
5899 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5900 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5902 g_assert (!t->byref);
5903 g_assert (encoding != -1);
5905 mono_mb_emit_ldarg (mb, argnum);
5906 mono_mb_emit_ldloc (mb, conv_arg);
5908 mono_mb_emit_icall (mb, conv_to_icall (conv));
5911 mono_mb_emit_ldloc (mb, conv_arg);
5912 mono_mb_emit_icall (mb, mono_marshal_free);
5917 if (klass->delegate)
5920 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5921 /* allocate a new object */
5922 mono_mb_emit_ldarg (mb, argnum);
5923 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5924 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, t->data.klass);
5925 mono_mb_emit_byte (mb, CEE_STIND_REF);
5928 /* dst = *argument */
5929 mono_mb_emit_ldarg (mb, argnum);
5932 mono_mb_emit_byte (mb, CEE_LDIND_I);
5934 mono_mb_emit_stloc (mb, 1);
5936 mono_mb_emit_ldloc (mb, 1);
5937 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
5939 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5940 mono_mb_emit_ldloc (mb, 1);
5941 mono_mb_emit_icon (mb, sizeof (MonoObject));
5942 mono_mb_emit_byte (mb, CEE_ADD);
5943 mono_mb_emit_stloc (mb, 1);
5945 /* src = tmp_locals [i] */
5946 mono_mb_emit_ldloc (mb, conv_arg);
5947 mono_mb_emit_stloc (mb, 0);
5949 /* emit valuetype conversion code */
5950 emit_struct_conv (mb, t->data.klass, TRUE);
5952 /* Free the structure returned by the native code */
5953 emit_struct_free (mb, klass, conv_arg);
5955 if (m->orig_conv_args [argnum]) {
5957 * If the native function changed the pointer, then free
5958 * the original structure plus the new pointer.
5960 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5961 mono_mb_emit_ldloc (mb, conv_arg);
5962 pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
5964 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5965 g_assert (m->orig_conv_args [argnum]);
5967 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5970 mono_mb_emit_ldloc (mb, conv_arg);
5971 mono_mb_emit_icall (mb, g_free);
5973 mono_mb_patch_branch (mb, pos2);
5977 /* Free the original structure passed to native code */
5978 emit_struct_free (mb, klass, conv_arg);
5980 mono_mb_patch_branch (mb, pos);
5983 case MARSHAL_ACTION_PUSH:
5985 mono_mb_emit_ldloc_addr (mb, conv_arg);
5987 mono_mb_emit_ldloc (mb, conv_arg);
5990 case MARSHAL_ACTION_CONV_RESULT:
5991 if (klass->delegate) {
5992 g_assert (!t->byref);
5993 mono_mb_emit_stloc (mb, 0);
5994 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5995 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
5996 mono_mb_emit_ldloc (mb, 0);
5997 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5998 mono_mb_emit_stloc (mb, 3);
5999 } else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
6000 spec->native == MONO_NATIVE_IDISPATCH ||
6001 spec->native == MONO_NATIVE_INTERFACE)) {
6002 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
6003 mono_mb_emit_exception_marshal_directive (mb, msg);
6006 mono_mb_emit_stloc (mb, 0);
6008 /* Make a copy since emit_conv modifies local 0 */
6009 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6010 mono_mb_emit_ldloc (mb, 0);
6011 mono_mb_emit_stloc (mb, loc);
6013 mono_mb_emit_byte (mb, CEE_LDNULL);
6014 mono_mb_emit_stloc (mb, 3);
6016 mono_mb_emit_ldloc (mb, 0);
6017 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6019 /* allocate result object */
6021 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6022 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6023 mono_mb_emit_stloc (mb, 3);
6027 mono_mb_emit_ldloc (mb, 3);
6028 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6029 mono_mb_emit_stloc (mb, 1);
6031 /* emit conversion code */
6032 emit_struct_conv (mb, klass, TRUE);
6034 emit_struct_free (mb, klass, loc);
6036 /* Free the pointer allocated by unmanaged code */
6037 mono_mb_emit_ldloc (mb, loc);
6038 mono_mb_emit_icall (mb, g_free);
6039 mono_mb_patch_branch (mb, pos);
6043 case MARSHAL_ACTION_MANAGED_CONV_IN:
6044 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
6046 if (klass->delegate) {
6047 g_assert (!t->byref);
6048 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6049 mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
6050 mono_mb_emit_ldarg (mb, argnum);
6051 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6052 mono_mb_emit_stloc (mb, conv_arg);
6056 /* The class can not have an automatic layout */
6057 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6058 mono_mb_emit_auto_layout_exception (mb, klass);
6062 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6063 mono_mb_emit_byte (mb, CEE_LDNULL);
6064 mono_mb_emit_stloc (mb, conv_arg);
6069 mono_mb_emit_ldarg (mb, argnum);
6073 /* Check for NULL and raise an exception */
6074 pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6076 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6078 mono_mb_patch_branch (mb, pos2);
6079 mono_mb_emit_ldarg (mb, argnum);
6080 mono_mb_emit_byte (mb, CEE_LDIND_I);
6083 mono_mb_emit_stloc (mb, 0);
6085 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6086 mono_mb_emit_stloc (mb, conv_arg);
6088 mono_mb_emit_ldloc (mb, 0);
6089 pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
6091 /* Create and set dst */
6092 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6093 mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
6094 mono_mb_emit_stloc (mb, conv_arg);
6095 mono_mb_emit_ldloc (mb, conv_arg);
6096 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6097 mono_mb_emit_stloc (mb, 1);
6099 /* emit valuetype conversion code */
6100 emit_struct_conv (mb, klass, TRUE);
6102 mono_mb_patch_branch (mb, pos);
6105 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6106 /* Check for null */
6107 mono_mb_emit_ldloc (mb, conv_arg);
6108 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6109 mono_mb_emit_ldarg (mb, argnum);
6110 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6111 mono_mb_emit_byte (mb, CEE_STIND_REF);
6112 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6114 mono_mb_patch_branch (mb, pos);
6117 mono_mb_emit_ldloc (mb, conv_arg);
6118 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6119 mono_mb_emit_stloc (mb, 0);
6121 /* Allocate and set dest */
6122 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6123 mono_mb_emit_byte (mb, CEE_CONV_I);
6124 mono_mb_emit_icall (mb, mono_marshal_alloc);
6125 mono_mb_emit_stloc (mb, 1);
6127 /* Update argument pointer */
6128 mono_mb_emit_ldarg (mb, argnum);
6129 mono_mb_emit_ldloc (mb, 1);
6130 mono_mb_emit_byte (mb, CEE_STIND_I);
6132 /* emit valuetype conversion code */
6133 emit_struct_conv (mb, klass, FALSE);
6135 mono_mb_patch_branch (mb, pos2);
6138 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6139 if (klass->delegate) {
6140 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6141 mono_mb_emit_stloc (mb, 3);
6145 /* The class can not have an automatic layout */
6146 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6147 mono_mb_emit_auto_layout_exception (mb, klass);
6151 mono_mb_emit_stloc (mb, 0);
6152 /* Check for null */
6153 mono_mb_emit_ldloc (mb, 0);
6154 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6155 mono_mb_emit_byte (mb, CEE_LDNULL);
6156 mono_mb_emit_stloc (mb, 3);
6157 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6159 mono_mb_patch_branch (mb, pos);
6162 mono_mb_emit_ldloc (mb, 0);
6163 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6164 mono_mb_emit_stloc (mb, 0);
6166 /* Allocate and set dest */
6167 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6168 mono_mb_emit_byte (mb, CEE_CONV_I);
6169 mono_mb_emit_icall (mb, mono_marshal_alloc);
6170 mono_mb_emit_byte (mb, CEE_DUP);
6171 mono_mb_emit_stloc (mb, 1);
6172 mono_mb_emit_stloc (mb, 3);
6174 emit_struct_conv (mb, klass, FALSE);
6176 mono_mb_patch_branch (mb, pos2);
6180 g_assert_not_reached ();
6187 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6188 MonoMarshalSpec *spec,
6189 int conv_arg, MonoType **conv_arg_type,
6190 MarshalAction action)
6192 MonoMethodBuilder *mb = m->mb;
6193 MonoClass *klass = mono_class_from_mono_type (t);
6194 gboolean need_convert, need_free;
6195 MonoMarshalNative encoding;
6197 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6200 case MARSHAL_ACTION_CONV_IN:
6201 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6202 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6204 if (klass->element_class->blittable) {
6205 mono_mb_emit_ldarg (mb, argnum);
6207 mono_mb_emit_byte (mb, CEE_LDIND_I);
6208 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6209 mono_mb_emit_stloc (mb, conv_arg);
6212 guint32 label1, label2, label3;
6213 int index_var, src_var, dest_ptr, esize;
6214 MonoMarshalConv conv;
6215 gboolean is_string = FALSE;
6217 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6219 eklass = klass->element_class;
6221 if (eklass == mono_defaults.string_class) {
6223 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6225 else if (eklass == mono_defaults.stringbuilder_class) {
6227 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6232 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6233 mono_mb_emit_ldarg (mb, argnum);
6235 mono_mb_emit_byte (mb, CEE_LDIND_I);
6236 mono_mb_emit_stloc (mb, src_var);
6239 mono_mb_emit_ldloc (mb, src_var);
6240 mono_mb_emit_stloc (mb, conv_arg);
6241 mono_mb_emit_ldloc (mb, src_var);
6242 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6246 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6247 MonoException *exc = mono_get_exception_not_implemented (msg);
6250 mono_raise_exception (exc);
6255 esize = sizeof (gpointer);
6257 esize = mono_class_native_size (eklass, NULL);
6259 /* allocate space for the native struct and store the address */
6260 mono_mb_emit_icon (mb, esize);
6261 mono_mb_emit_ldloc (mb, src_var);
6262 mono_mb_emit_byte (mb, CEE_LDLEN);
6264 if (eklass == mono_defaults.string_class) {
6265 /* Make the array bigger for the terminating null */
6266 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6267 mono_mb_emit_byte (mb, CEE_ADD);
6269 mono_mb_emit_byte (mb, CEE_MUL);
6270 mono_mb_emit_byte (mb, CEE_PREFIX1);
6271 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6272 mono_mb_emit_stloc (mb, conv_arg);
6274 mono_mb_emit_ldloc (mb, conv_arg);
6275 mono_mb_emit_stloc (mb, dest_ptr);
6277 /* Emit marshalling loop */
6278 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6279 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6280 mono_mb_emit_stloc (mb, index_var);
6282 mono_mb_emit_ldloc (mb, index_var);
6283 mono_mb_emit_ldloc (mb, src_var);
6284 mono_mb_emit_byte (mb, CEE_LDLEN);
6285 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6287 /* Emit marshalling code */
6290 mono_mb_emit_ldloc (mb, dest_ptr);
6291 mono_mb_emit_ldloc (mb, src_var);
6292 mono_mb_emit_ldloc (mb, index_var);
6293 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6294 mono_mb_emit_icall (mb, conv_to_icall (conv));
6295 mono_mb_emit_byte (mb, CEE_STIND_I);
6297 /* set the src_ptr */
6298 mono_mb_emit_ldloc (mb, src_var);
6299 mono_mb_emit_ldloc (mb, index_var);
6300 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6301 mono_mb_emit_stloc (mb, 0);
6304 mono_mb_emit_ldloc (mb, dest_ptr);
6305 mono_mb_emit_stloc (mb, 1);
6307 /* emit valuetype conversion code */
6308 emit_struct_conv (mb, eklass, FALSE);
6311 mono_mb_emit_add_to_local (mb, index_var, 1);
6312 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6314 mono_mb_emit_byte (mb, CEE_BR);
6315 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6317 mono_mb_patch_branch (mb, label3);
6319 if (eklass == mono_defaults.string_class) {
6320 /* Null terminate */
6321 mono_mb_emit_ldloc (mb, dest_ptr);
6322 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6323 mono_mb_emit_byte (mb, CEE_STIND_REF);
6326 mono_mb_patch_branch (mb, label1);
6331 case MARSHAL_ACTION_CONV_OUT:
6332 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6333 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);
6334 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6337 if (need_convert || need_free) {
6338 /* FIXME: Optimize blittable case */
6340 guint32 label1, label2, label3;
6341 int index_var, src_ptr, loc, esize;
6343 eklass = klass->element_class;
6344 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6345 esize = sizeof (gpointer);
6347 esize = mono_class_native_size (eklass, NULL);
6348 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6349 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6352 mono_mb_emit_ldarg (mb, argnum);
6354 mono_mb_emit_byte (mb, CEE_LDIND_I);
6355 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6357 mono_mb_emit_ldloc (mb, conv_arg);
6358 mono_mb_emit_stloc (mb, src_ptr);
6360 /* Emit marshalling loop */
6361 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6362 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6363 mono_mb_emit_stloc (mb, index_var);
6365 mono_mb_emit_ldloc (mb, index_var);
6366 mono_mb_emit_ldarg (mb, argnum);
6368 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6369 mono_mb_emit_byte (mb, CEE_LDLEN);
6370 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6372 /* Emit marshalling code */
6374 if (eklass == mono_defaults.stringbuilder_class) {
6375 gboolean need_free2;
6376 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6378 g_assert (conv != -1);
6381 mono_mb_emit_ldarg (mb, argnum);
6383 mono_mb_emit_byte (mb, CEE_LDIND_I);
6384 mono_mb_emit_ldloc (mb, index_var);
6385 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6388 mono_mb_emit_ldloc (mb, src_ptr);
6389 mono_mb_emit_byte (mb, CEE_LDIND_I);
6391 mono_mb_emit_icall (mb, conv_to_icall (conv));
6395 mono_mb_emit_ldloc (mb, src_ptr);
6396 mono_mb_emit_byte (mb, CEE_LDIND_I);
6398 mono_mb_emit_icall (mb, mono_marshal_free);
6401 else if (eklass == mono_defaults.string_class) {
6404 mono_mb_emit_ldloc (mb, src_ptr);
6405 mono_mb_emit_byte (mb, CEE_LDIND_I);
6407 mono_mb_emit_icall (mb, mono_marshal_free);
6412 /* set the src_ptr */
6413 mono_mb_emit_ldloc (mb, src_ptr);
6414 mono_mb_emit_stloc (mb, 0);
6417 mono_mb_emit_ldarg (mb, argnum);
6419 mono_mb_emit_byte (mb, CEE_LDIND_I);
6420 mono_mb_emit_ldloc (mb, index_var);
6421 mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
6422 mono_mb_emit_stloc (mb, 1);
6424 /* emit valuetype conversion code */
6425 emit_struct_conv (mb, eklass, TRUE);
6429 mono_mb_emit_ldloc (mb, src_ptr);
6430 mono_mb_emit_stloc (mb, loc);
6431 mono_mb_emit_ldloc (mb, loc);
6433 emit_struct_free (mb, eklass, loc);
6437 mono_mb_emit_add_to_local (mb, index_var, 1);
6438 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6440 mono_mb_emit_byte (mb, CEE_BR);
6441 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6443 mono_mb_patch_branch (mb, label1);
6444 mono_mb_patch_branch (mb, label3);
6448 case MARSHAL_ACTION_PUSH:
6450 mono_mb_emit_ldloc_addr (mb, conv_arg);
6452 mono_mb_emit_ldloc (mb, conv_arg);
6455 case MARSHAL_ACTION_CONV_RESULT:
6456 /* fixme: we need conversions here */
6457 mono_mb_emit_stloc (mb, 3);
6460 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6462 guint32 label1, label2, label3;
6463 int index_var, src_ptr, loc, esize, param_num, num_elem;
6464 MonoMarshalConv conv;
6465 gboolean is_string = FALSE;
6467 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6468 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6471 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6472 mono_mb_emit_exception_marshal_directive (mb, msg);
6475 if (spec->native != MONO_NATIVE_LPARRAY) {
6476 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6477 mono_mb_emit_exception_marshal_directive (mb, msg);
6481 /* FIXME: t is from the method which is wrapped, not the delegate type */
6482 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6484 param_num = spec->data.array_data.param_num;
6485 num_elem = spec->data.array_data.num_elem;
6486 if (spec->data.array_data.elem_mult == 0)
6487 /* param_num is not specified */
6490 if (param_num == -1) {
6491 if (num_elem <= 0) {
6492 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6493 mono_mb_emit_exception_marshal_directive (mb, msg);
6498 /* FIXME: Optimize blittable case */
6500 eklass = klass->element_class;
6501 if (eklass == mono_defaults.string_class) {
6503 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6505 else if (eklass == mono_defaults.stringbuilder_class) {
6507 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6512 mono_marshal_load_type_info (eklass);
6515 esize = sizeof (gpointer);
6517 esize = mono_class_native_size (eklass, NULL);
6518 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6519 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6521 mono_mb_emit_byte (mb, CEE_LDNULL);
6522 mono_mb_emit_stloc (mb, conv_arg);
6524 /* Check param index */
6525 if (param_num != -1) {
6526 if (param_num >= m->sig->param_count) {
6527 char *msg = g_strdup ("Array size control parameter index is out of range.");
6528 mono_mb_emit_exception_marshal_directive (mb, msg);
6531 switch (m->sig->params [param_num]->type) {
6544 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6545 mono_mb_emit_exception_marshal_directive (mb, msg);
6552 mono_mb_emit_ldarg (mb, argnum);
6553 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6555 mono_mb_emit_ldarg (mb, argnum);
6556 mono_mb_emit_stloc (mb, src_ptr);
6558 /* Create managed array */
6560 * The LPArray marshalling spec says that sometimes param_num starts
6561 * from 1, sometimes it starts from 0. But MS seems to allways start
6565 if (param_num == -1)
6566 mono_mb_emit_icon (mb, num_elem);
6568 /* FIXME: Add the two together */
6569 mono_mb_emit_ldarg (mb, param_num);
6571 mono_mb_emit_icon (mb, num_elem);
6572 mono_mb_emit_byte (mb, CEE_ADD);
6576 mono_mb_emit_op (mb, CEE_NEWARR, eklass);
6577 mono_mb_emit_stloc (mb, conv_arg);
6579 if (eklass->blittable) {
6580 mono_mb_emit_ldloc (mb, conv_arg);
6581 mono_mb_emit_byte (mb, CEE_CONV_I);
6582 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6583 mono_mb_emit_byte (mb, CEE_ADD);
6584 mono_mb_emit_ldarg (mb, argnum);
6585 mono_mb_emit_ldloc (mb, conv_arg);
6586 mono_mb_emit_byte (mb, CEE_LDLEN);
6587 mono_mb_emit_icon (mb, esize);
6588 mono_mb_emit_byte (mb, CEE_MUL);
6589 mono_mb_emit_byte (mb, CEE_PREFIX1);
6590 mono_mb_emit_byte (mb, CEE_CPBLK);
6594 /* Emit marshalling loop */
6595 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6596 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6597 mono_mb_emit_stloc (mb, index_var);
6599 mono_mb_emit_ldloc (mb, index_var);
6600 mono_mb_emit_ldloc (mb, conv_arg);
6601 mono_mb_emit_byte (mb, CEE_LDLEN);
6602 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6604 /* Emit marshalling code */
6606 g_assert (conv != -1);
6608 mono_mb_emit_ldloc (mb, conv_arg);
6609 mono_mb_emit_ldloc (mb, index_var);
6611 mono_mb_emit_ldloc (mb, src_ptr);
6612 mono_mb_emit_byte (mb, CEE_LDIND_I);
6614 mono_mb_emit_icall (mb, conv_to_icall (conv));
6615 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6618 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6619 mono_mb_emit_exception_marshal_directive (mb, msg);
6623 mono_mb_emit_add_to_local (mb, index_var, 1);
6624 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6626 mono_mb_emit_byte (mb, CEE_BR);
6627 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6629 mono_mb_patch_branch (mb, label1);
6630 mono_mb_patch_branch (mb, label3);
6634 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6636 guint32 label1, label2, label3;
6637 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6638 MonoMarshalConv conv;
6639 gboolean is_string = FALSE;
6641 /* These are already checked in CONV_IN */
6642 g_assert (!t->byref);
6643 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6644 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6646 param_num = spec->data.array_data.param_num;
6647 num_elem = spec->data.array_data.num_elem;
6649 if (spec->data.array_data.elem_mult == 0)
6650 /* param_num is not specified */
6653 if (param_num == -1) {
6654 if (num_elem <= 0) {
6655 g_assert_not_reached ();
6659 /* FIXME: Optimize blittable case */
6661 eklass = klass->element_class;
6662 if (eklass == mono_defaults.string_class) {
6664 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6666 else if (eklass == mono_defaults.stringbuilder_class) {
6668 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6673 mono_marshal_load_type_info (eklass);
6676 esize = sizeof (gpointer);
6678 esize = mono_class_native_size (eklass, NULL);
6680 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6681 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6684 mono_mb_emit_ldloc (mb, conv_arg);
6685 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6687 mono_mb_emit_ldarg (mb, argnum);
6688 mono_mb_emit_stloc (mb, dest_ptr);
6690 if (eklass->blittable) {
6692 mono_mb_emit_ldarg (mb, argnum);
6694 mono_mb_emit_ldloc (mb, conv_arg);
6695 mono_mb_emit_byte (mb, CEE_CONV_I);
6696 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6697 mono_mb_emit_byte (mb, CEE_ADD);
6699 mono_mb_emit_ldloc (mb, conv_arg);
6700 mono_mb_emit_byte (mb, CEE_LDLEN);
6701 mono_mb_emit_icon (mb, esize);
6702 mono_mb_emit_byte (mb, CEE_MUL);
6703 mono_mb_emit_byte (mb, CEE_PREFIX1);
6704 mono_mb_emit_byte (mb, CEE_CPBLK);
6708 /* Emit marshalling loop */
6709 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6710 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6711 mono_mb_emit_stloc (mb, index_var);
6713 mono_mb_emit_ldloc (mb, index_var);
6714 mono_mb_emit_ldloc (mb, conv_arg);
6715 mono_mb_emit_byte (mb, CEE_LDLEN);
6716 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6718 /* Emit marshalling code */
6720 g_assert (conv != -1);
6723 mono_mb_emit_ldloc (mb, dest_ptr);
6726 mono_mb_emit_ldloc (mb, conv_arg);
6727 mono_mb_emit_ldloc (mb, index_var);
6729 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6731 mono_mb_emit_icall (mb, conv_to_icall (conv));
6732 mono_mb_emit_byte (mb, CEE_STIND_I);
6735 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6736 mono_mb_emit_exception_marshal_directive (mb, msg);
6740 mono_mb_emit_add_to_local (mb, index_var, 1);
6741 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6743 mono_mb_emit_byte (mb, CEE_BR);
6744 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6746 mono_mb_patch_branch (mb, label1);
6747 mono_mb_patch_branch (mb, label3);
6751 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6753 guint32 label1, label2, label3;
6754 int index_var, src, dest, esize;
6755 MonoMarshalConv conv = -1;
6756 gboolean is_string = FALSE;
6758 g_assert (!t->byref);
6760 eklass = klass->element_class;
6762 mono_marshal_load_type_info (eklass);
6764 if (eklass == mono_defaults.string_class) {
6766 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6769 g_assert_not_reached ();
6773 esize = sizeof (gpointer);
6775 esize = mono_class_native_size (eklass, NULL);
6777 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6778 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6780 mono_mb_emit_stloc (mb, src);
6781 mono_mb_emit_ldloc (mb, src);
6782 mono_mb_emit_stloc (mb, 3);
6784 /* Check for null */
6785 mono_mb_emit_ldloc (mb, src);
6786 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6788 /* Allocate native array */
6789 mono_mb_emit_icon (mb, esize);
6790 mono_mb_emit_ldloc (mb, src);
6791 mono_mb_emit_byte (mb, CEE_LDLEN);
6793 if (eklass == mono_defaults.string_class) {
6794 /* Make the array bigger for the terminating null */
6795 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6796 mono_mb_emit_byte (mb, CEE_ADD);
6798 mono_mb_emit_byte (mb, CEE_MUL);
6799 mono_mb_emit_icall (mb, mono_marshal_alloc);
6800 mono_mb_emit_stloc (mb, dest);
6801 mono_mb_emit_ldloc (mb, dest);
6802 mono_mb_emit_stloc (mb, 3);
6804 /* Emit marshalling loop */
6805 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6806 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6807 mono_mb_emit_stloc (mb, index_var);
6809 mono_mb_emit_ldloc (mb, index_var);
6810 mono_mb_emit_ldloc (mb, src);
6811 mono_mb_emit_byte (mb, CEE_LDLEN);
6812 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6814 /* Emit marshalling code */
6816 g_assert (conv != -1);
6819 mono_mb_emit_ldloc (mb, dest);
6822 mono_mb_emit_ldloc (mb, src);
6823 mono_mb_emit_ldloc (mb, index_var);
6825 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6827 mono_mb_emit_icall (mb, conv_to_icall (conv));
6828 mono_mb_emit_byte (mb, CEE_STIND_I);
6831 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6832 mono_mb_emit_exception_marshal_directive (mb, msg);
6836 mono_mb_emit_add_to_local (mb, index_var, 1);
6837 mono_mb_emit_add_to_local (mb, dest, esize);
6839 mono_mb_emit_byte (mb, CEE_BR);
6840 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6842 mono_mb_patch_branch (mb, label3);
6843 mono_mb_patch_branch (mb, label1);
6847 g_assert_not_reached ();
6854 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
6855 MonoMarshalSpec *spec,
6856 int conv_arg, MonoType **conv_arg_type,
6857 MarshalAction action)
6859 MonoMethodBuilder *mb = m->mb;
6862 case MARSHAL_ACTION_CONV_IN: {
6863 MonoType *local_type;
6864 int variant_bool = 0;
6868 local_type = &mono_defaults.int32_class->byval_arg;
6870 switch (spec->native) {
6871 case MONO_NATIVE_I1:
6872 local_type = &mono_defaults.byte_class->byval_arg;
6874 case MONO_NATIVE_VARIANTBOOL:
6875 local_type = &mono_defaults.int16_class->byval_arg;
6879 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6880 local_type = &mono_defaults.int32_class->byval_arg;
6884 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6885 conv_arg = mono_mb_add_local (mb, local_type);
6886 mono_mb_emit_ldarg (mb, argnum);
6887 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6889 mono_mb_emit_byte (mb, CEE_NEG);
6890 mono_mb_emit_stloc (mb, conv_arg);
6894 case MARSHAL_ACTION_CONV_OUT:
6897 mono_mb_emit_ldarg (mb, argnum);
6898 mono_mb_emit_ldloc (mb, conv_arg);
6899 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
6900 mono_mb_emit_byte (mb, CEE_NEG);
6901 mono_mb_emit_byte (mb, CEE_STIND_I1);
6904 case MARSHAL_ACTION_PUSH:
6906 mono_mb_emit_ldloc_addr (mb, conv_arg);
6908 mono_mb_emit_ldarg (mb, argnum);
6911 case MARSHAL_ACTION_CONV_RESULT:
6912 /* maybe we need to make sure that it fits within 8 bits */
6913 mono_mb_emit_stloc (mb, 3);
6917 g_assert_not_reached ();
6924 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6925 MonoMarshalSpec *spec, int conv_arg,
6926 MonoType **conv_arg_type, MarshalAction action)
6928 MonoMethodBuilder *mb = m->mb;
6931 case MARSHAL_ACTION_CONV_IN:
6932 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
6933 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6934 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6938 case MARSHAL_ACTION_PUSH:
6939 mono_mb_emit_ldarg (mb, argnum);
6942 case MARSHAL_ACTION_CONV_RESULT:
6943 /* no conversions necessary */
6944 mono_mb_emit_stloc (mb, 3);
6955 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
6956 MonoMarshalSpec *spec, int conv_arg,
6957 MonoType **conv_arg_type, MarshalAction action)
6959 MonoMethodBuilder *mb = m->mb;
6962 case MARSHAL_ACTION_PUSH:
6963 /* fixme: dont know how to marshal that. We cant simply
6964 * convert it to a one byte UTF8 character, because an
6965 * unicode character may need more that one byte in UTF8 */
6966 mono_mb_emit_ldarg (mb, argnum);
6969 case MARSHAL_ACTION_CONV_RESULT:
6970 /* fixme: we need conversions here */
6971 mono_mb_emit_stloc (mb, 3);
6982 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
6983 MonoMarshalSpec *spec, int conv_arg,
6984 MonoType **conv_arg_type, MarshalAction action)
6986 MonoMethodBuilder *mb = m->mb;
6989 case MARSHAL_ACTION_PUSH:
6990 mono_mb_emit_ldarg (mb, argnum);
6993 case MARSHAL_ACTION_CONV_RESULT:
6994 /* no conversions necessary */
6995 mono_mb_emit_stloc (mb, 3);
7006 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
7007 MonoMarshalSpec *spec, int conv_arg,
7008 MonoType **conv_arg_type, MarshalAction action)
7010 /* Ensure that we have marshalling info for this param */
7011 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7013 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7014 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7016 if (spec && spec->native == MONO_NATIVE_ASANY)
7017 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7020 case MONO_TYPE_VALUETYPE:
7021 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7022 case MONO_TYPE_STRING:
7023 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7024 case MONO_TYPE_CLASS:
7025 case MONO_TYPE_OBJECT:
7026 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7027 case MONO_TYPE_ARRAY:
7028 case MONO_TYPE_SZARRAY:
7029 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7030 case MONO_TYPE_BOOLEAN:
7031 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7033 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7034 case MONO_TYPE_CHAR:
7035 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7048 case MONO_TYPE_FNPTR:
7049 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7056 * mono_marshal_emit_native_wrapper:
7057 * @sig: The signature of the native function
7058 * @piinfo: Marshalling information
7059 * @mspecs: Marshalling information
7060 * @func: the native function to call
7062 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7065 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7067 EmitMarshalContext m;
7068 MonoMethodSignature *csig;
7070 int i, argnum, *tmp_locals;
7072 static MonoMethodSignature *get_last_error_sig = NULL;
7077 /* we copy the signature, so that we can set pinvoke to 0 */
7078 csig = signature_dup (mb->method->klass->image, sig);
7082 /* we allocate local for use with emit_struct_conv() */
7083 /* allocate local 0 (pointer) src_ptr */
7084 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7085 /* allocate local 1 (pointer) dst_ptr */
7086 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7087 /* allocate local 2 (boolean) delete_old */
7088 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7090 /* delete_old = FALSE */
7091 mono_mb_emit_icon (mb, 0);
7092 mono_mb_emit_stloc (mb, 2);
7094 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7095 /* allocate local 3 to store the return value */
7096 mono_mb_add_local (mb, sig->ret);
7099 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7100 /* Return type custom marshaling */
7102 * Since we can't determine the return type of the unmanaged function,
7103 * we assume it returns a pointer, and pass that pointer to
7104 * MarshalNativeToManaged.
7106 csig->ret = &mono_defaults.int_class->byval_arg;
7109 /* we first do all conversions */
7110 tmp_locals = alloca (sizeof (int) * sig->param_count);
7111 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7113 for (i = 0; i < sig->param_count; i ++) {
7114 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7117 /* push all arguments */
7120 mono_mb_emit_byte (mb, CEE_LDARG_0);
7123 for (i = 0; i < sig->param_count; i++) {
7124 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7127 /* call the native method */
7128 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7129 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7132 mono_mb_emit_native_call (mb, csig, func);
7135 /* Set LastError if needed */
7136 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7137 if (!get_last_error_sig) {
7138 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7139 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7140 get_last_error_sig->pinvoke = 1;
7143 #ifdef PLATFORM_WIN32
7145 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7146 * clobber its value.
7148 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7149 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7151 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7155 /* convert the result */
7156 if (!sig->ret->byref) {
7157 MonoMarshalSpec *spec = mspecs [0];
7158 type = sig->ret->type;
7160 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7161 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7166 case MONO_TYPE_VOID:
7168 case MONO_TYPE_VALUETYPE:
7169 klass = sig->ret->data.klass;
7170 if (klass->enumtype) {
7171 type = sig->ret->data.klass->enum_basetype->type;
7174 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7188 case MONO_TYPE_FNPTR:
7189 case MONO_TYPE_STRING:
7190 case MONO_TYPE_CLASS:
7191 case MONO_TYPE_OBJECT:
7192 case MONO_TYPE_BOOLEAN:
7193 case MONO_TYPE_ARRAY:
7194 case MONO_TYPE_SZARRAY:
7195 case MONO_TYPE_CHAR:
7197 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7199 case MONO_TYPE_TYPEDBYREF:
7201 g_warning ("return type 0x%02x unknown", sig->ret->type);
7202 g_assert_not_reached ();
7206 mono_mb_emit_stloc (mb, 3);
7210 * Need to call this after converting the result since MONO_VTADDR needs
7211 * to be adjacent to the call instruction.
7213 emit_thread_interrupt_checkpoint (mb);
7215 /* we need to convert byref arguments back and free string arrays */
7216 for (i = 0; i < sig->param_count; i++) {
7217 MonoType *t = sig->params [i];
7218 MonoMarshalSpec *spec = mspecs [i + 1];
7220 argnum = i + sig->hasthis;
7222 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7223 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7228 case MONO_TYPE_STRING:
7229 case MONO_TYPE_VALUETYPE:
7230 case MONO_TYPE_CLASS:
7231 case MONO_TYPE_OBJECT:
7232 case MONO_TYPE_SZARRAY:
7233 case MONO_TYPE_BOOLEAN:
7234 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7239 if (!MONO_TYPE_IS_VOID(sig->ret))
7240 mono_mb_emit_ldloc (mb, 3);
7242 mono_mb_emit_byte (mb, CEE_RET);
7246 * mono_marshal_get_native_wrapper:
7247 * @method: The MonoMethod to wrap.
7249 * generates IL code for the pinvoke wrapper (the generated method
7250 * calls the unmanaged code in piinfo->addr)
7253 mono_marshal_get_native_wrapper (MonoMethod *method)
7255 MonoMethodSignature *sig, *csig;
7256 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7257 MonoMethodBuilder *mb;
7258 MonoMarshalSpec **mspecs;
7261 gboolean pinvoke = FALSE;
7264 const char *exc_class = "MissingMethodException";
7265 const char *exc_arg = NULL;
7267 g_assert (method != NULL);
7268 g_assert (mono_method_signature (method)->pinvoke);
7270 cache = method->klass->image->native_wrapper_cache;
7271 if ((res = mono_marshal_find_in_cache (cache, method)))
7274 if (MONO_CLASS_IS_IMPORT (method->klass))
7275 return cominterop_get_native_wrapper (method);
7277 sig = mono_method_signature (method);
7279 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7280 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7283 if (!piinfo->addr) {
7285 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7287 piinfo->addr = mono_lookup_internal_call (method);
7290 /* hack - redirect certain string constructors to CreateString */
7291 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7292 g_assert (!pinvoke);
7293 g_assert (method->string_ctor);
7294 g_assert (sig->hasthis);
7296 /* CreateString returns a value */
7297 csig = signature_dup (method->klass->image, sig);
7298 csig->ret = &mono_defaults.string_class->byval_arg;
7302 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7303 if (!strcmp ("CreateString", res->name) &&
7304 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7306 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7307 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7309 /* create a wrapper to preserve .ctor in stack trace */
7310 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7312 mono_mb_emit_byte (mb, CEE_LDARG_0);
7313 for (i = 1; i <= csig->param_count; i++)
7314 mono_mb_emit_ldarg (mb, i);
7315 mono_mb_emit_managed_call (mb, res, NULL);
7316 mono_mb_emit_byte (mb, CEE_RET);
7318 /* use native_wrapper_cache because internal calls are looked up there */
7319 res = mono_mb_create_and_cache (cache, method,
7320 mb, csig, csig->param_count + 1);
7328 /* exception will be thrown */
7329 piinfo->addr = NULL;
7330 g_warning ("cannot find CreateString for .ctor");
7333 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7335 mb->method->save_lmf = 1;
7337 if (!piinfo->addr) {
7338 mono_mb_emit_exception (mb, exc_class, exc_arg);
7339 csig = signature_dup (method->klass->image, sig);
7341 res = mono_mb_create_and_cache (cache, method,
7342 mb, csig, csig->param_count + 16);
7347 /* internal calls: we simply push all arguments and call the method (no conversions) */
7348 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7350 /* hack - string constructors returns a value */
7351 if (method->string_ctor) {
7352 csig = signature_dup (method->klass->image, sig);
7353 csig->ret = &mono_defaults.string_class->byval_arg;
7358 mono_mb_emit_byte (mb, CEE_LDARG_0);
7360 for (i = 0; i < sig->param_count; i++)
7361 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7363 g_assert (piinfo->addr);
7364 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7365 emit_thread_interrupt_checkpoint (mb);
7366 mono_mb_emit_byte (mb, CEE_RET);
7368 csig = signature_dup (method->klass->image, csig);
7370 res = mono_mb_create_and_cache (cache, method,
7371 mb, csig, csig->param_count + 16);
7378 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7379 mono_method_get_marshal_info (method, mspecs);
7381 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
7383 csig = signature_dup (method->klass->image, sig);
7385 res = mono_mb_create_and_cache (cache, method,
7386 mb, csig, csig->param_count + 16);
7389 for (i = sig->param_count; i >= 0; i--)
7391 mono_metadata_free_marshal_spec (mspecs [i]);
7394 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
7400 * mono_marshal_get_native_func_wrapper:
7401 * @sig: The signature of the function
7402 * @func: The native function to wrap
7404 * Returns a wrapper method around native functions, similar to the pinvoke
7408 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
7409 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7411 MonoMethodSignature *csig;
7413 MonoMethodBuilder *mb;
7418 cache = mono_defaults.corlib->native_wrapper_cache;
7419 if ((res = mono_marshal_find_in_cache (cache, func)))
7422 name = g_strdup_printf ("wrapper_native_%p", func);
7423 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7424 mb->method->save_lmf = 1;
7426 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
7428 csig = signature_dup (mb->method->klass->image, sig);
7430 res = mono_mb_create_and_cache (cache, func,
7431 mb, csig, csig->param_count + 16);
7434 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
7440 * generates IL code to call managed methods from unmanaged code
7443 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
7445 static MonoClass *UnmanagedFunctionPointerAttribute;
7446 MonoMethodSignature *sig, *csig, *invoke_sig;
7447 MonoMethodBuilder *mb;
7448 MonoMethod *res, *invoke;
7449 MonoMarshalSpec **mspecs;
7450 MonoMethodPInvoke piinfo;
7453 EmitMarshalContext m;
7455 g_assert (method != NULL);
7456 g_assert (!mono_method_signature (method)->pinvoke);
7459 * FIXME: Should cache the method+delegate type pair, since the same method
7460 * could be called with different delegates, thus different marshalling
7463 cache = method->klass->image->managed_wrapper_cache;
7464 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
7467 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
7468 invoke_sig = mono_method_signature (invoke);
7470 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7471 mono_method_get_marshal_info (invoke, mspecs);
7473 sig = mono_method_signature (method);
7475 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
7477 /* allocate local 0 (pointer) src_ptr */
7478 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7479 /* allocate local 1 (pointer) dst_ptr */
7480 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7481 /* allocate local 2 (boolean) delete_old */
7482 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7484 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7485 /* allocate local 3 to store the return value */
7486 mono_mb_add_local (mb, sig->ret);
7489 mono_mb_emit_icon (mb, 0);
7490 mono_mb_emit_stloc (mb, 2);
7492 /* we copy the signature, so that we can modify it */
7493 csig = signature_dup (method->klass->image, sig);
7503 #ifdef PLATFORM_WIN32
7505 * Under windows, delegates passed to native code must use the STDCALL
7506 * calling convention.
7508 csig->call_convention = MONO_CALL_STDCALL;
7511 /* Change default calling convention if needed */
7512 /* Why is this a modopt ? */
7513 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
7514 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
7515 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
7516 g_assert (cmod_class);
7517 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7518 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7519 csig->call_convention = MONO_CALL_C;
7520 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7521 csig->call_convention = MONO_CALL_STDCALL;
7522 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7523 csig->call_convention = MONO_CALL_FASTCALL;
7524 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7525 csig->call_convention = MONO_CALL_THISCALL;
7530 /* Handle the UnmanagedFunctionPointerAttribute */
7531 if (!UnmanagedFunctionPointerAttribute)
7532 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
7534 /* The attribute is only available in Net 2.0 */
7535 if (UnmanagedFunctionPointerAttribute) {
7536 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
7537 MonoCustomAttrInfo *cinfo;
7540 * The pinvoke attributes are stored in a real custom attribute so we have to
7543 cinfo = mono_custom_attrs_from_class (delegate_klass);
7545 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
7547 memset (&piinfo, 0, sizeof (piinfo));
7549 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
7551 csig->call_convention = attr->call_conv - 1;
7554 mono_custom_attrs_free (cinfo);
7558 /* fixme: howto handle this ? */
7561 mono_mb_emit_ptr (mb, this);
7564 g_assert_not_reached ();
7568 /* we first do all conversions */
7569 tmp_locals = alloca (sizeof (int) * sig->param_count);
7570 for (i = 0; i < sig->param_count; i ++) {
7571 MonoType *t = sig->params [i];
7574 case MONO_TYPE_OBJECT:
7575 case MONO_TYPE_CLASS:
7576 case MONO_TYPE_VALUETYPE:
7577 case MONO_TYPE_ARRAY:
7578 case MONO_TYPE_SZARRAY:
7579 case MONO_TYPE_STRING:
7580 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7589 emit_thread_interrupt_checkpoint (mb);
7591 for (i = 0; i < sig->param_count; i++) {
7592 MonoType *t = sig->params [i];
7594 if (tmp_locals [i]) {
7596 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7598 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7601 mono_mb_emit_ldarg (mb, i);
7604 mono_mb_emit_managed_call (mb, method, NULL);
7606 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7607 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7610 if (!sig->ret->byref) {
7611 switch (sig->ret->type) {
7612 case MONO_TYPE_VOID:
7614 case MONO_TYPE_BOOLEAN:
7628 case MONO_TYPE_OBJECT:
7629 mono_mb_emit_stloc (mb, 3);
7631 case MONO_TYPE_STRING:
7632 csig->ret = &mono_defaults.int_class->byval_arg;
7633 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7635 case MONO_TYPE_VALUETYPE:
7636 case MONO_TYPE_CLASS:
7637 case MONO_TYPE_SZARRAY:
7638 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7641 g_warning ("return type 0x%02x unknown", sig->ret->type);
7642 g_assert_not_reached ();
7645 mono_mb_emit_stloc (mb, 3);
7648 /* Convert byref arguments back */
7649 for (i = 0; i < sig->param_count; i ++) {
7650 MonoType *t = sig->params [i];
7651 MonoMarshalSpec *spec = mspecs [i + 1];
7653 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7654 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7656 else if (t->byref) {
7658 case MONO_TYPE_CLASS:
7659 case MONO_TYPE_VALUETYPE:
7660 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7664 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7665 /* The [Out] information is encoded in the delegate signature */
7667 case MONO_TYPE_SZARRAY:
7668 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7671 g_assert_not_reached ();
7677 mono_mb_emit_ldloc (mb, m.retobj_var);
7678 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7679 mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m.retobj_class);
7682 if (!MONO_TYPE_IS_VOID(sig->ret))
7683 mono_mb_emit_ldloc (mb, 3);
7684 mono_mb_emit_byte (mb, CEE_RET);
7688 res = mono_mb_create_and_cache (cache, method,
7689 mb, csig, sig->param_count + 16);
7692 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
7696 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7698 mono_metadata_free_marshal_spec (mspecs [i]);
7701 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
7706 static MonoReflectionType *
7707 type_from_handle (MonoType *handle)
7709 MonoDomain *domain = mono_domain_get ();
7710 MonoClass *klass = mono_class_from_mono_type (handle);
7712 MONO_ARCH_SAVE_REGS;
7714 mono_class_init (klass);
7715 return mono_type_get_object (domain, handle);
7719 * mono_marshal_get_isinst:
7720 * @klass: the type of the field
7722 * This method generates a function which can be used to check if an object is
7723 * an instance of the given type, icluding the case where the object is a proxy.
7724 * The generated function has the following signature:
7725 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
7728 mono_marshal_get_isinst (MonoClass *klass)
7730 static MonoMethodSignature *isint_sig = NULL;
7733 int pos_was_ok, pos_failed, pos_end, pos_end2;
7735 MonoMethodBuilder *mb;
7737 cache = klass->image->isinst_cache;
7738 if ((res = mono_marshal_find_in_cache (cache, klass)))
7742 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7743 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7744 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7745 isint_sig->pinvoke = 0;
7748 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
7749 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
7752 mb->method->save_lmf = 1;
7754 /* check if the object is a proxy that needs special cast */
7755 mono_mb_emit_ldarg (mb, 0);
7756 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7757 mono_mb_emit_op (mb, CEE_MONO_CISINST, klass);
7759 /* The result of MONO_ISINST can be:
7760 0) the type check succeeded
7761 1) the type check did not succeed
7762 2) a CanCastTo call is needed */
7764 mono_mb_emit_byte (mb, CEE_DUP);
7765 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7767 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
7768 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
7770 /* get the real proxy from the transparent proxy*/
7772 mono_mb_emit_ldarg (mb, 0);
7773 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7774 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7778 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7779 mono_mb_emit_byte (mb, CEE_LDNULL);
7780 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
7784 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7785 mono_mb_emit_byte (mb, CEE_POP);
7786 mono_mb_emit_ldarg (mb, 0);
7790 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7791 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
7792 mono_mb_emit_byte (mb, CEE_RET);
7794 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7801 * mono_marshal_get_castclass:
7802 * @klass: the type of the field
7804 * This method generates a function which can be used to cast an object to
7805 * an instance of the given type, icluding the case where the object is a proxy.
7806 * The generated function has the following signature:
7807 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
7810 mono_marshal_get_castclass (MonoClass *klass)
7812 static MonoMethodSignature *castclass_sig = NULL;
7815 int pos_was_ok, pos_was_ok2;
7817 MonoMethodBuilder *mb;
7819 cache = klass->image->castclass_cache;
7820 if ((res = mono_marshal_find_in_cache (cache, klass)))
7823 if (!castclass_sig) {
7824 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7825 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
7826 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
7827 castclass_sig->pinvoke = 0;
7830 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
7831 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
7834 mb->method->save_lmf = 1;
7836 /* check if the object is a proxy that needs special cast */
7837 mono_mb_emit_ldarg (mb, 0);
7838 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7839 mono_mb_emit_op (mb, CEE_MONO_CCASTCLASS, klass);
7841 /* The result of MONO_ISINST can be:
7842 0) the cast is valid
7843 1) cast of unknown proxy type
7844 or an exception if the cast is is invalid
7847 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7849 /* get the real proxy from the transparent proxy*/
7851 mono_mb_emit_ldarg (mb, 0);
7852 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7853 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7856 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
7859 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7860 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
7861 mono_mb_emit_ldarg (mb, 0);
7864 mono_mb_emit_byte (mb, CEE_RET);
7866 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
7873 mono_marshal_get_proxy_cancast (MonoClass *klass)
7875 static MonoMethodSignature *isint_sig = NULL;
7878 int pos_failed, pos_end;
7880 MonoMethod *can_cast_to;
7881 MonoMethodDesc *desc;
7882 MonoMethodBuilder *mb;
7884 cache = klass->image->proxy_isinst_cache;
7885 if ((res = mono_marshal_find_in_cache (cache, klass)))
7889 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7890 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7891 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7892 isint_sig->pinvoke = 0;
7895 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
7896 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
7899 mb->method->save_lmf = 1;
7901 /* get the real proxy from the transparent proxy*/
7902 mono_mb_emit_ldarg (mb, 0);
7903 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
7904 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7906 /* get the reflection type from the type handle */
7907 mono_mb_emit_ptr (mb, &klass->byval_arg);
7908 mono_mb_emit_icall (mb, type_from_handle);
7910 mono_mb_emit_ldarg (mb, 0);
7912 /* make the call to CanCastTo (type, ob) */
7913 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
7914 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
7915 g_assert (can_cast_to);
7916 mono_method_desc_free (desc);
7917 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
7919 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
7921 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
7922 mono_mb_emit_ptr (mb, &klass->byval_arg);
7923 mono_mb_emit_icall (mb, type_from_handle);
7924 mono_mb_emit_ldarg (mb, 0);
7926 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
7927 emit_thread_interrupt_checkpoint (mb);
7929 mono_mb_emit_ldarg (mb, 0);
7930 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7934 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7935 mono_mb_emit_byte (mb, CEE_LDNULL);
7939 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7940 mono_mb_emit_byte (mb, CEE_RET);
7942 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7949 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
7952 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
7953 klass = mono_class_from_mono_type (rtype->type);
7954 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
7958 * mono_marshal_get_struct_to_ptr:
7961 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
7964 mono_marshal_get_struct_to_ptr (MonoClass *klass)
7966 MonoMethodBuilder *mb;
7967 static MonoMethod *stoptr = NULL;
7970 g_assert (klass != NULL);
7972 mono_marshal_load_type_info (klass);
7974 if (klass->marshal_info->str_to_ptr)
7975 return klass->marshal_info->str_to_ptr;
7978 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
7981 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
7983 if (klass->blittable) {
7984 mono_mb_emit_byte (mb, CEE_LDARG_1);
7985 mono_mb_emit_byte (mb, CEE_LDARG_0);
7986 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7987 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7988 mono_mb_emit_byte (mb, CEE_PREFIX1);
7989 mono_mb_emit_byte (mb, CEE_CPBLK);
7992 /* allocate local 0 (pointer) src_ptr */
7993 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7994 /* allocate local 1 (pointer) dst_ptr */
7995 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7996 /* allocate local 2 (boolean) delete_old */
7997 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7998 mono_mb_emit_byte (mb, CEE_LDARG_2);
7999 mono_mb_emit_stloc (mb, 2);
8001 /* initialize src_ptr to point to the start of object data */
8002 mono_mb_emit_byte (mb, CEE_LDARG_0);
8003 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8004 mono_mb_emit_stloc (mb, 0);
8006 /* initialize dst_ptr */
8007 mono_mb_emit_byte (mb, CEE_LDARG_1);
8008 mono_mb_emit_stloc (mb, 1);
8010 emit_struct_conv (mb, klass, FALSE);
8013 mono_mb_emit_byte (mb, CEE_RET);
8015 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
8018 klass->marshal_info->str_to_ptr = res;
8023 * mono_marshal_get_ptr_to_struct:
8026 * generates IL code for PtrToStructure (IntPtr src, object structure)
8029 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8031 MonoMethodBuilder *mb;
8032 static MonoMethodSignature *ptostr = NULL;
8035 g_assert (klass != NULL);
8037 mono_marshal_load_type_info (klass);
8039 if (klass->marshal_info->ptr_to_str)
8040 return klass->marshal_info->ptr_to_str;
8043 /* Create the signature corresponding to
8044 static void PtrToStructure (IntPtr ptr, object structure);
8045 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8046 ptostr = mono_create_icall_signature ("void ptr object");
8048 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8050 if (klass->blittable) {
8051 mono_mb_emit_byte (mb, CEE_LDARG_1);
8052 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8053 mono_mb_emit_byte (mb, CEE_LDARG_0);
8054 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8055 mono_mb_emit_byte (mb, CEE_PREFIX1);
8056 mono_mb_emit_byte (mb, CEE_CPBLK);
8059 /* allocate local 0 (pointer) src_ptr */
8060 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8061 /* allocate local 1 (pointer) dst_ptr */
8062 mono_mb_add_local (mb, &klass->this_arg);
8064 /* initialize src_ptr to point to the start of object data */
8065 mono_mb_emit_byte (mb, CEE_LDARG_0);
8066 mono_mb_emit_stloc (mb, 0);
8068 /* initialize dst_ptr */
8069 mono_mb_emit_byte (mb, CEE_LDARG_1);
8070 mono_mb_emit_op (mb, CEE_UNBOX, klass);
8071 mono_mb_emit_stloc (mb, 1);
8073 emit_struct_conv (mb, klass, TRUE);
8076 mono_mb_emit_byte (mb, CEE_RET);
8078 res = mono_mb_create_method (mb, ptostr, 0);
8081 klass->marshal_info->ptr_to_str = res;
8086 * generates IL code for the synchronized wrapper: the generated method
8087 * calls METHOD while locking 'this' or the parent type.
8090 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8092 static MonoMethod *enter_method, *exit_method;
8093 MonoMethodSignature *sig;
8094 MonoExceptionClause *clause;
8095 MonoMethodHeader *header;
8096 MonoMethodBuilder *mb;
8099 int i, pos, this_local, ret_local = 0;
8103 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8106 cache = method->klass->image->synchronized_cache;
8107 if ((res = mono_marshal_find_in_cache (cache, method)))
8110 sig = signature_dup (method->klass->image, mono_method_signature (method));
8113 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8116 if (!MONO_TYPE_IS_VOID (sig->ret))
8117 ret_local = mono_mb_add_local (mb, sig->ret);
8120 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8122 mono_loader_lock ();
8123 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
8124 mono_loader_unlock ();
8125 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8127 if (!enter_method) {
8128 MonoMethodDesc *desc;
8130 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8131 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8132 g_assert (enter_method);
8133 mono_method_desc_free (desc);
8134 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8135 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8136 g_assert (exit_method);
8137 mono_method_desc_free (desc);
8140 /* Push this or the type object */
8141 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8143 * GetTypeFromHandle isn't called as a managed method because it has
8144 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
8145 * transformed into something else by the JIT.
8147 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
8148 mono_mb_emit_icall (mb, type_from_handle);
8151 mono_mb_emit_ldarg (mb, 0);
8152 mono_mb_emit_stloc (mb, this_local);
8154 /* Call Monitor::Enter() */
8155 mono_mb_emit_ldloc (mb, this_local);
8156 mono_mb_emit_managed_call (mb, enter_method, NULL);
8158 clause->try_offset = mb->pos;
8160 /* Call the method */
8162 mono_mb_emit_ldarg (mb, 0);
8163 for (i = 0; i < sig->param_count; i++)
8164 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8166 /* this is needed to avoid recursion */
8167 mono_mb_emit_byte (mb, CEE_PREFIX1);
8168 mono_mb_emit_op (mb, CEE_LDFTN, method);
8169 mono_mb_emit_calli (mb, mono_method_signature (method));
8171 if (!MONO_TYPE_IS_VOID (sig->ret))
8172 mono_mb_emit_stloc (mb, ret_local);
8174 pos = mono_mb_emit_branch (mb, CEE_LEAVE);
8176 clause->try_len = mb->pos - clause->try_offset;
8177 clause->handler_offset = mb->pos;
8179 /* Call Monitor::Exit() */
8180 mono_mb_emit_ldloc (mb, this_local);
8181 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
8182 mono_mb_emit_managed_call (mb, exit_method, NULL);
8183 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8185 clause->handler_len = mb->pos - clause->handler_offset;
8187 mono_mb_patch_branch (mb, pos);
8188 if (!MONO_TYPE_IS_VOID (sig->ret))
8189 mono_mb_emit_ldloc (mb, ret_local);
8190 mono_mb_emit_byte (mb, CEE_RET);
8192 res = mono_mb_create_and_cache (cache, method,
8193 mb, sig, sig->param_count + 16);
8196 header = ((MonoMethodNormal *)res)->header;
8197 header->num_clauses = 1;
8198 header->clauses = clause;
8205 * the returned method calls 'method' unboxing the this argument
8208 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8210 MonoMethodSignature *sig = mono_method_signature (method);
8212 MonoMethodBuilder *mb;
8216 cache = method->klass->image->unbox_wrapper_cache;
8217 if ((res = mono_marshal_find_in_cache (cache, method)))
8220 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8222 g_assert (sig->hasthis);
8224 mono_mb_emit_ldarg (mb, 0);
8225 mono_mb_emit_icon (mb, sizeof (MonoObject));
8226 mono_mb_emit_byte (mb, CEE_ADD);
8227 for (i = 0; i < sig->param_count; ++i)
8228 mono_mb_emit_ldarg (mb, i + 1);
8229 mono_mb_emit_managed_call (mb, method, NULL);
8230 mono_mb_emit_byte (mb, CEE_RET);
8232 res = mono_mb_create_and_cache (cache, method,
8233 mb, sig, sig->param_count + 16);
8236 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
8242 mono_marshal_get_stelemref ()
8244 static MonoMethod* ret = NULL;
8245 MonoMethodSignature *sig;
8246 MonoMethodBuilder *mb;
8248 guint32 b1, b2, b3, b4;
8251 int array_slot_addr;
8256 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8259 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8261 /* void stelemref (void* array, int idx, void* value) */
8262 sig->ret = &mono_defaults.void_class->byval_arg;
8263 sig->params [0] = &mono_defaults.object_class->byval_arg;
8264 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8265 sig->params [2] = &mono_defaults.object_class->byval_arg;
8267 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8268 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8269 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8273 <ldelema (bound check)>
8277 aklass = array->vtable->klass->element_class;
8278 vklass = value->vtable->klass;
8280 if (vklass->idepth < aklass->idepth)
8283 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8287 *array_slot_addr = value;
8291 if (mono_object_isinst (value, aklass))
8294 throw new ArrayTypeMismatchException ();
8297 /* ldelema (implicit bound check) */
8298 mono_mb_emit_ldarg (mb, 0);
8299 mono_mb_emit_ldarg (mb, 1);
8300 mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
8301 mono_mb_emit_stloc (mb, array_slot_addr);
8303 /* if (!value) goto do_store */
8304 mono_mb_emit_ldarg (mb, 2);
8305 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8307 /* aklass = array->vtable->klass->element_class */
8308 mono_mb_emit_ldarg (mb, 0);
8309 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8310 mono_mb_emit_byte (mb, CEE_LDIND_I);
8311 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8312 mono_mb_emit_byte (mb, CEE_LDIND_I);
8313 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
8314 mono_mb_emit_byte (mb, CEE_LDIND_I);
8315 mono_mb_emit_stloc (mb, aklass);
8317 /* vklass = value->vtable->klass */
8318 mono_mb_emit_ldarg (mb, 2);
8319 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8320 mono_mb_emit_byte (mb, CEE_LDIND_I);
8321 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8322 mono_mb_emit_byte (mb, CEE_LDIND_I);
8323 mono_mb_emit_stloc (mb, vklass);
8325 /* if (vklass->idepth < aklass->idepth) goto failue */
8326 mono_mb_emit_ldloc (mb, vklass);
8327 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8328 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8330 mono_mb_emit_ldloc (mb, aklass);
8331 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8332 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8334 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
8336 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
8337 mono_mb_emit_ldloc (mb, vklass);
8338 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
8339 mono_mb_emit_byte (mb, CEE_LDIND_I);
8341 mono_mb_emit_ldloc (mb, aklass);
8342 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8343 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8344 mono_mb_emit_icon (mb, 1);
8345 mono_mb_emit_byte (mb, CEE_SUB);
8346 mono_mb_emit_icon (mb, sizeof (void*));
8347 mono_mb_emit_byte (mb, CEE_MUL);
8348 mono_mb_emit_byte (mb, CEE_ADD);
8349 mono_mb_emit_byte (mb, CEE_LDIND_I);
8351 mono_mb_emit_ldloc (mb, aklass);
8353 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
8357 mono_mb_patch_branch (mb, b1);
8358 mono_mb_emit_ldloc (mb, array_slot_addr);
8359 mono_mb_emit_ldarg (mb, 2);
8360 mono_mb_emit_byte (mb, CEE_STIND_REF);
8362 mono_mb_emit_byte (mb, CEE_RET);
8365 mono_mb_patch_branch (mb, b2);
8366 mono_mb_patch_branch (mb, b3);
8368 mono_mb_emit_ldarg (mb, 2);
8369 mono_mb_emit_ldloc (mb, aklass);
8370 mono_mb_emit_icall (mb, mono_object_isinst);
8372 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8373 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
8374 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
8376 mono_mb_emit_byte (mb, CEE_RET);
8377 ret = mono_mb_create_method (mb, sig, 4);
8383 mono_marshal_get_write_barrier (void)
8385 static MonoMethod* ret = NULL;
8386 MonoMethodSignature *sig;
8387 MonoMethodBuilder *mb;
8393 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
8395 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
8397 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
8398 sig->ret = &mono_defaults.void_class->byval_arg;
8399 sig->params [0] = &mono_defaults.object_class->this_arg;
8400 sig->params [1] = &mono_defaults.object_class->byval_arg;
8402 /* just the store right now: add an hook for the GC to use, maybe something
8403 * that can be used for stelemref as well
8404 * We need a write barrier variant to be used with struct copies as well, though
8405 * there are also other approaches possible, like writing a wrapper specific to
8406 * the struct or to the reference pattern in the struct...
8407 * Depending on the GC, we may want variants that take the object we store to
8408 * when it is available.
8410 mono_mb_emit_ldarg (mb, 0);
8411 mono_mb_emit_ldarg (mb, 1);
8412 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
8413 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
8415 mono_mb_emit_byte (mb, CEE_RET);
8417 ret = mono_mb_create_method (mb, sig, max_stack);
8423 mono_marshal_alloc (gulong size)
8427 #ifdef PLATFORM_WIN32
8428 res = CoTaskMemAlloc (size);
8430 res = g_try_malloc ((gulong)size);
8432 mono_gc_out_of_memory ((gulong)size);
8438 mono_marshal_free (gpointer ptr)
8440 #ifdef PLATFORM_WIN32
8441 CoTaskMemFree (ptr);
8448 mono_marshal_free_array (gpointer *ptr, int size)
8455 for (i = 0; i < size; i++)
8461 mono_marshal_realloc (gpointer ptr, gpointer size)
8463 MONO_ARCH_SAVE_REGS;
8465 return g_try_realloc (ptr, (gulong)size);
8469 mono_marshal_string_to_utf16 (MonoString *s)
8471 return s ? mono_string_chars (s) : NULL;
8475 * mono_marshal_set_last_error:
8477 * This function is invoked to set the last error value from a P/Invoke call
8478 * which has SetLastError set.
8481 mono_marshal_set_last_error (void)
8484 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
8486 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
8491 mono_marshal_set_last_error_windows (int error)
8494 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
8499 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
8500 gpointer dest, gint32 length)
8505 MONO_ARCH_SAVE_REGS;
8507 MONO_CHECK_ARG_NULL (src);
8508 MONO_CHECK_ARG_NULL (dest);
8510 g_assert (src->obj.vtable->klass->rank == 1);
8511 g_assert (start_index >= 0);
8512 g_assert (length >= 0);
8513 g_assert (start_index + length <= mono_array_length (src));
8515 element_size = mono_array_element_size (src->obj.vtable->klass);
8517 /* no references should be involved */
8518 source_addr = mono_array_addr_with_size (src, element_size, start_index);
8520 memcpy (dest, source_addr, length * element_size);
8524 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
8525 MonoArray *dest, gint32 length)
8530 MONO_ARCH_SAVE_REGS;
8532 MONO_CHECK_ARG_NULL (src);
8533 MONO_CHECK_ARG_NULL (dest);
8535 g_assert (dest->obj.vtable->klass->rank == 1);
8536 g_assert (start_index >= 0);
8537 g_assert (length >= 0);
8538 g_assert (start_index + length <= mono_array_length (dest));
8540 element_size = mono_array_element_size (dest->obj.vtable->klass);
8542 /* no references should be involved */
8543 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
8545 memcpy (dest_addr, src, length * element_size);
8548 #if NO_UNALIGNED_ACCESS
8549 #define RETURN_UNALIGNED(type, addr) \
8552 memcpy(&val, p + offset, sizeof(val)); \
8555 #define WRITE_UNALIGNED(type, addr, val) \
8556 memcpy(addr, &val, sizeof(type))
8558 #define RETURN_UNALIGNED(type, addr) \
8559 return *(type*)(p + offset);
8560 #define WRITE_UNALIGNED(type, addr, val) \
8561 (*(type *)(addr) = (val))
8565 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
8569 MONO_ARCH_SAVE_REGS;
8571 RETURN_UNALIGNED(gpointer, p + offset);
8575 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
8579 MONO_ARCH_SAVE_REGS;
8581 return *(unsigned char*)(p + offset);
8585 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
8589 MONO_ARCH_SAVE_REGS;
8591 RETURN_UNALIGNED(gint16, p + offset);
8595 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
8599 MONO_ARCH_SAVE_REGS;
8601 RETURN_UNALIGNED(gint32, p + offset);
8605 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
8609 MONO_ARCH_SAVE_REGS;
8611 RETURN_UNALIGNED(gint64, p + offset);
8615 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
8619 MONO_ARCH_SAVE_REGS;
8621 *(unsigned char*)(p + offset) = val;
8625 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
8629 MONO_ARCH_SAVE_REGS;
8631 WRITE_UNALIGNED(gpointer, p + offset, val);
8635 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
8639 MONO_ARCH_SAVE_REGS;
8641 WRITE_UNALIGNED(gint16, p + offset, val);
8645 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
8649 MONO_ARCH_SAVE_REGS;
8651 WRITE_UNALIGNED(gint32, p + offset, val);
8655 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
8659 MONO_ARCH_SAVE_REGS;
8661 WRITE_UNALIGNED(gint64, p + offset, val);
8665 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
8667 MONO_ARCH_SAVE_REGS;
8672 return mono_string_new (mono_domain_get (), ptr);
8676 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
8678 MONO_ARCH_SAVE_REGS;
8681 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8682 g_assert_not_reached ();
8685 return mono_string_new_len (mono_domain_get (), ptr, len);
8689 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
8691 MonoDomain *domain = mono_domain_get ();
8695 MONO_ARCH_SAVE_REGS;
8703 return mono_string_new_utf16 (domain, ptr, len);
8707 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
8709 MonoDomain *domain = mono_domain_get ();
8711 MONO_ARCH_SAVE_REGS;
8714 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8715 g_assert_not_reached ();
8718 return mono_string_new_utf16 (domain, ptr, len);
8722 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
8724 MONO_ARCH_SAVE_REGS;
8726 return mono_string_from_bstr(ptr);
8730 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
8732 MONO_ARCH_SAVE_REGS;
8734 return mono_string_to_bstr(ptr);
8739 #define STDCALL __stdcall
8741 #define STDCALL __attribute__((stdcall))
8749 int (STDCALL *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
8750 int (STDCALL *AddRef)(gpointer pUnk);
8751 int (STDCALL *Release)(gpointer pUnk);
8755 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
8757 MONO_ARCH_SAVE_REGS;
8759 mono_free_bstr (ptr);
8763 ves_icall_System_Runtime_InteropServices_Marshal_AddRef (gpointer pUnk)
8765 MONO_ARCH_SAVE_REGS;
8767 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
8771 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterface (gpointer pUnk, gpointer riid, gpointer* ppv)
8773 MONO_ARCH_SAVE_REGS;
8775 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
8779 ves_icall_System_Runtime_InteropServices_Marshal_Release (gpointer pUnk)
8781 MONO_ARCH_SAVE_REGS;
8783 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
8787 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
8789 MONO_ARCH_SAVE_REGS;
8791 return cominterop_get_com_slot_for_method (m->method);
8795 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
8797 MONO_ARCH_SAVE_REGS;
8799 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
8803 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
8809 MONO_ARCH_SAVE_REGS;
8811 MONO_CHECK_ARG_NULL (rtype);
8814 klass = mono_class_from_mono_type (type);
8815 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
8817 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8821 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
8822 exc = mono_get_exception_argument ("t", msg);
8824 mono_raise_exception (exc);
8828 return mono_class_native_size (klass, NULL);
8832 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
8837 MONO_ARCH_SAVE_REGS;
8839 MONO_CHECK_ARG_NULL (obj);
8840 MONO_CHECK_ARG_NULL (dst);
8842 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
8846 pa [2] = &delete_old;
8848 mono_runtime_invoke (method, NULL, pa, NULL);
8852 ptr_to_structure (gpointer src, MonoObject *dst)
8857 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
8862 mono_runtime_invoke (method, NULL, pa, NULL);
8866 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
8870 MONO_ARCH_SAVE_REGS;
8872 MONO_CHECK_ARG_NULL (src);
8873 MONO_CHECK_ARG_NULL (dst);
8875 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
8877 if (t->type == MONO_TYPE_VALUETYPE) {
8881 tmp = g_strdup_printf ("Destination is a boxed value type.");
8882 exc = mono_get_exception_argument ("dst", tmp);
8885 mono_raise_exception (exc);
8889 ptr_to_structure (src, dst);
8893 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
8895 MonoDomain *domain = mono_domain_get ();
8898 MONO_ARCH_SAVE_REGS;
8900 MONO_CHECK_ARG_NULL (src);
8901 MONO_CHECK_ARG_NULL (type);
8903 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
8905 ptr_to_structure (src, res);
8911 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
8913 MonoMarshalType *info;
8916 int match_index = -1;
8918 MONO_ARCH_SAVE_REGS;
8920 MONO_CHECK_ARG_NULL (type);
8921 MONO_CHECK_ARG_NULL (field_name);
8923 fname = mono_string_to_utf8 (field_name);
8924 klass = mono_class_from_mono_type (type->type);
8926 while (klass && match_index == -1) {
8927 MonoClassField* field;
8929 gpointer iter = NULL;
8930 while ((field = mono_class_get_fields (klass, &iter))) {
8931 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8933 if (!strcmp (fname, field->name)) {
8940 if (match_index == -1)
8941 klass = klass->parent;
8946 if(match_index == -1) {
8950 /* Get back original class instance */
8951 klass = mono_class_from_mono_type (type->type);
8953 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
8954 exc = mono_get_exception_argument ("fieldName", tmp);
8957 mono_raise_exception ((MonoException*)exc);
8960 info = mono_marshal_load_type_info (klass);
8961 return info->fields [match_index].offset;
8965 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
8967 MONO_ARCH_SAVE_REGS;
8969 return mono_string_to_utf8 (string);
8973 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
8975 MONO_ARCH_SAVE_REGS;
8980 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
8981 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
8982 res [mono_string_length (string)] = 0;
8988 mono_struct_delete_old (MonoClass *klass, char *ptr)
8990 MonoMarshalType *info;
8993 info = mono_marshal_load_type_info (klass);
8995 for (i = 0; i < info->num_fields; i++) {
8996 MonoMarshalNative ntype;
8997 MonoMarshalConv conv;
8998 MonoType *ftype = info->fields [i].field->type;
9001 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9004 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9005 klass->unicode, &conv);
9007 cpos = ptr + info->fields [i].offset;
9010 case MONO_MARSHAL_CONV_NONE:
9011 if (MONO_TYPE_ISSTRUCT (ftype)) {
9012 mono_struct_delete_old (ftype->data.klass, cpos);
9016 case MONO_MARSHAL_CONV_STR_LPWSTR:
9017 /* We assume this field points inside a MonoString */
9019 case MONO_MARSHAL_CONV_STR_LPSTR:
9020 case MONO_MARSHAL_CONV_STR_LPTSTR:
9021 case MONO_MARSHAL_CONV_STR_BSTR:
9022 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9023 case MONO_MARSHAL_CONV_STR_TBSTR:
9024 mono_marshal_free (*(gpointer *)cpos);
9033 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9037 MONO_ARCH_SAVE_REGS;
9039 MONO_CHECK_ARG_NULL (src);
9040 MONO_CHECK_ARG_NULL (type);
9042 klass = mono_class_from_mono_type (type->type);
9044 mono_struct_delete_old (klass, (char *)src);
9048 /* FIXME: on win32 we should probably use GlobalAlloc(). */
9050 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9054 MONO_ARCH_SAVE_REGS;
9056 if ((gulong)size == 0)
9057 /* This returns a valid pointer for size 0 on MS.NET */
9060 res = g_try_malloc ((gulong)size);
9062 mono_gc_out_of_memory ((gulong)size);
9068 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9070 MONO_ARCH_SAVE_REGS;
9076 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9078 MONO_ARCH_SAVE_REGS;
9080 #ifdef PLATFORM_WIN32
9081 return CoTaskMemAlloc (size);
9083 return g_try_malloc ((gulong)size);
9088 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9090 MONO_ARCH_SAVE_REGS;
9092 #ifdef PLATFORM_WIN32
9093 CoTaskMemFree (ptr);
9100 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9102 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9106 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9108 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9111 /* Only used for COM RCWs */
9113 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
9119 MONO_ARCH_SAVE_REGS;
9121 domain = mono_object_domain (type);
9122 klass = mono_class_from_mono_type (type->type);
9124 /* call mono_object_new_alloc_specific instead of mono_object_new
9125 * because we want to actually create object. mono_object_new checks
9126 * to see if type is import and creates transparent proxy. this method
9127 * is called by the corresponding real proxy to create the real RCW.
9128 * Constructor does not need to be called. Will be called later.
9130 obj = mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
9135 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
9137 ves_icall_System_Runtime_InteropServices_Marshal_Release (value);
9142 ves_icall_System_ComObject_Finalizer(MonoComObject* obj)
9146 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
9147 obj->itf_hash = NULL;
9150 #define MONO_IUNKNOWN_INTERFACE_SLOT 0
9153 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
9157 g_assert(obj->itf_hash);
9159 klass = mono_class_from_mono_type (type->type);
9161 return g_hash_table_lookup (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id));
9165 ves_icall_System_ComObject_CacheInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
9169 g_assert(obj->itf_hash);
9171 klass = mono_class_from_mono_type (type->type);
9173 g_hash_table_insert (obj->itf_hash, GUINT_TO_POINTER ((guint)klass->interface_id), pItf);
9177 ves_icall_System_ComObject_GetIUnknown (MonoComObject* obj)
9182 return g_hash_table_lookup (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT);
9186 ves_icall_System_ComObject_SetIUnknown (MonoComObject* obj, gpointer pUnk)
9189 g_assert(!obj->itf_hash);
9190 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
9191 g_hash_table_insert (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT, pUnk);
9195 mono_marshal_load_type_info (MonoClass* klass)
9198 guint32 native_size = 0, min_align = 1;
9199 MonoMarshalType *info;
9200 MonoClassField* field;
9204 g_assert (klass != NULL);
9206 if (klass->marshal_info)
9207 return klass->marshal_info;
9210 mono_class_init (klass);
9213 while ((field = mono_class_get_fields (klass, &iter))) {
9214 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9216 if (mono_field_is_deleted (field))
9221 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
9223 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
9224 info->num_fields = count;
9226 /* Try to find a size for this type in metadata */
9227 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
9229 if (klass->parent) {
9230 int parent_size = mono_class_native_size (klass->parent, NULL);
9232 /* Add parent size to real size */
9233 native_size += parent_size;
9234 info->native_size = parent_size;
9239 while ((field = mono_class_get_fields (klass, &iter))) {
9243 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9246 if (mono_field_is_deleted (field))
9248 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
9249 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
9250 NULL, NULL, &info->fields [j].mspec);
9252 info->fields [j].field = field;
9254 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
9255 (strcmp (field->name, "$PRIVATE$") == 0)) {
9256 /* This field is a hack inserted by MCS to empty structures */
9261 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
9262 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
9263 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9264 &align, TRUE, klass->unicode);
9265 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9266 min_align = MAX (align, min_align);
9267 info->fields [j].offset = info->native_size;
9268 info->fields [j].offset += align - 1;
9269 info->fields [j].offset &= ~(align - 1);
9270 info->native_size = info->fields [j].offset + size;
9272 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
9273 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9274 &align, TRUE, klass->unicode);
9275 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9276 min_align = MAX (align, min_align);
9277 info->fields [j].offset = field->offset - sizeof (MonoObject);
9278 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
9284 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9285 info->native_size = MAX (native_size, info->native_size);
9288 if (info->native_size & (min_align - 1)) {
9289 info->native_size += min_align - 1;
9290 info->native_size &= ~(min_align - 1);
9293 /* Update the class's blittable info, if the layouts don't match */
9294 if (info->native_size != mono_class_value_size (klass, NULL))
9295 klass->blittable = FALSE;
9297 /* If this is an array type, ensure that we have element info */
9298 if (klass->element_class) {
9299 mono_marshal_load_type_info (klass->element_class);
9302 return klass->marshal_info;
9306 * mono_class_native_size:
9309 * Returns: the native size of an object instance (when marshaled
9310 * to unmanaged code)
9313 mono_class_native_size (MonoClass *klass, guint32 *align)
9315 if (!klass->marshal_info)
9316 mono_marshal_load_type_info (klass);
9319 *align = klass->min_align;
9321 return klass->marshal_info->native_size;
9325 * mono_type_native_stack_size:
9326 * @t: the type to return the size it uses on the stack
9328 * Returns: the number of bytes required to hold an instance of this
9329 * type on the native stack
9332 mono_type_native_stack_size (MonoType *t, guint32 *align)
9336 g_assert (t != NULL);
9347 case MONO_TYPE_BOOLEAN:
9348 case MONO_TYPE_CHAR:
9357 case MONO_TYPE_STRING:
9358 case MONO_TYPE_OBJECT:
9359 case MONO_TYPE_CLASS:
9360 case MONO_TYPE_SZARRAY:
9362 case MONO_TYPE_FNPTR:
9363 case MONO_TYPE_ARRAY:
9364 case MONO_TYPE_TYPEDBYREF:
9375 case MONO_TYPE_VALUETYPE: {
9378 if (t->data.klass->enumtype)
9379 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
9381 size = mono_class_native_size (t->data.klass, align);
9382 *align = *align + 3;
9392 g_error ("type 0x%02x unknown", t->type);
9397 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
9398 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
9399 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
9400 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
9403 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
9404 gboolean as_field, gboolean unicode)
9406 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
9409 switch (native_type) {
9410 case MONO_NATIVE_BOOLEAN:
9413 case MONO_NATIVE_I1:
9414 case MONO_NATIVE_U1:
9417 case MONO_NATIVE_I2:
9418 case MONO_NATIVE_U2:
9419 case MONO_NATIVE_VARIANTBOOL:
9422 case MONO_NATIVE_I4:
9423 case MONO_NATIVE_U4:
9424 case MONO_NATIVE_ERROR:
9427 case MONO_NATIVE_I8:
9428 case MONO_NATIVE_U8:
9429 *align = ALIGNMENT(guint64);
9431 case MONO_NATIVE_R4:
9434 case MONO_NATIVE_R8:
9435 *align = ALIGNMENT(double);
9437 case MONO_NATIVE_INT:
9438 case MONO_NATIVE_UINT:
9439 case MONO_NATIVE_LPSTR:
9440 case MONO_NATIVE_LPWSTR:
9441 case MONO_NATIVE_LPTSTR:
9442 case MONO_NATIVE_BSTR:
9443 case MONO_NATIVE_ANSIBSTR:
9444 case MONO_NATIVE_TBSTR:
9445 case MONO_NATIVE_LPARRAY:
9446 case MONO_NATIVE_SAFEARRAY:
9447 case MONO_NATIVE_IUNKNOWN:
9448 case MONO_NATIVE_IDISPATCH:
9449 case MONO_NATIVE_INTERFACE:
9450 case MONO_NATIVE_ASANY:
9451 case MONO_NATIVE_FUNC:
9452 case MONO_NATIVE_LPSTRUCT:
9453 *align = ALIGNMENT(gpointer);
9454 return sizeof (gpointer);
9455 case MONO_NATIVE_STRUCT:
9456 klass = mono_class_from_mono_type (type);
9457 return mono_class_native_size (klass, align);
9458 case MONO_NATIVE_BYVALTSTR: {
9459 int esize = unicode ? 2: 1;
9462 return mspec->data.array_data.num_elem * esize;
9464 case MONO_NATIVE_BYVALARRAY: {
9465 // FIXME: Have to consider ArraySubType
9467 klass = mono_class_from_mono_type (type);
9468 if (klass->element_class == mono_defaults.char_class) {
9469 esize = unicode ? 2 : 1;
9472 esize = mono_class_native_size (klass->element_class, align);
9475 return mspec->data.array_data.num_elem * esize;
9477 case MONO_NATIVE_CUSTOM:
9478 g_assert_not_reached ();
9480 case MONO_NATIVE_CURRENCY:
9481 case MONO_NATIVE_VBBYREFSTR:
9483 g_error ("native type %02x not implemented", native_type);
9486 g_assert_not_reached ();
9491 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
9499 t = &o->vtable->klass->byval_arg;
9506 case MONO_TYPE_BOOLEAN:
9509 case MONO_TYPE_CHAR:
9514 return mono_object_unbox (o);
9516 case MONO_TYPE_STRING:
9517 switch (string_encoding) {
9518 case MONO_NATIVE_LPWSTR:
9519 return mono_string_to_utf16 ((MonoString*)o);
9521 case MONO_NATIVE_LPSTR:
9522 return mono_string_to_lpstr ((MonoString*)o);
9525 g_warning ("marshaling conversion %d not implemented", string_encoding);
9526 g_assert_not_reached ();
9529 case MONO_TYPE_CLASS:
9530 case MONO_TYPE_VALUETYPE: {
9534 MonoBoolean delete_old = FALSE;
9536 klass = t->data.klass;
9538 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
9541 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9542 klass->blittable || klass->enumtype))
9543 return mono_object_unbox (o);
9545 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
9547 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9548 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
9552 pa [2] = &delete_old;
9554 mono_runtime_invoke (method, NULL, pa, NULL);
9561 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
9567 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
9575 t = &o->vtable->klass->byval_arg;
9577 case MONO_TYPE_STRING:
9578 switch (string_encoding) {
9579 case MONO_NATIVE_LPWSTR:
9580 case MONO_NATIVE_LPSTR:
9581 mono_marshal_free (ptr);
9584 g_warning ("marshaling conversion %d not implemented", string_encoding);
9585 g_assert_not_reached ();
9588 case MONO_TYPE_CLASS:
9589 case MONO_TYPE_VALUETYPE: {
9590 klass = t->data.klass;
9592 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9593 klass->blittable || klass->enumtype))
9596 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
9597 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
9603 mono_runtime_invoke (method, NULL, pa, NULL);
9606 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9607 mono_struct_delete_old (klass, ptr);
9610 mono_marshal_free (ptr);