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_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
143 static MonoReflectionType *
144 type_from_handle (MonoType *handle);
147 mono_marshal_set_last_error_windows (int error);
150 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
153 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
155 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
157 mono_register_jit_icall (func, name, sig, save);
160 static MonoMethodSignature*
161 signature_dup (MonoImage *image, MonoMethodSignature *sig)
163 MonoMethodSignature *res;
166 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
168 res = mono_mempool_alloc (image->mempool, sigsize);
169 mono_loader_unlock ();
170 memcpy (res, sig, sigsize);
175 static MonoMethodSignature*
176 signature_no_pinvoke (MonoMethod *method)
178 MonoMethodSignature *sig = mono_method_signature (method);
180 sig = signature_dup (method->klass->image, sig);
181 sig->pinvoke = FALSE;
188 * signature_cominterop:
190 * @sig: mamaged method signature
192 * Returns: the corresponding unmanaged method signature for a managed COM
195 static MonoMethodSignature*
196 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
198 MonoMethodSignature *res;
201 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
203 if (!MONO_TYPE_IS_VOID (sig->ret))
206 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
208 res = mono_mempool_alloc (image->mempool, sigsize);
209 mono_loader_unlock ();
210 memcpy (res, sig, sigsize);
212 // now move args forward one
213 for (i = sig->param_count-1; i >= 0; i--)
214 res->params[i+1] = sig->params[i];
216 // first arg is interface pointer
217 res->params[0] = &mono_defaults.int_class->byval_arg;
219 // last arg is return type
220 if (!MONO_TYPE_IS_VOID (sig->ret)) {
221 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
222 res->params[param_count-1]->byref = 1;
223 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
227 res->pinvoke = FALSE;
233 res->param_count = param_count;
235 // return type is always int32 (HRESULT)
236 res->ret = &mono_defaults.int32_class->byval_arg;
238 // com is always stdcall
239 res->call_convention = MONO_CALL_STDCALL;
245 * cominterop_get_function_pointer:
246 * @itf: a pointer to the COM interface
247 * @slot: the vtable slot of the method pointer to return
249 * Returns: the unmanaged vtable function pointer from the interface
252 cominterop_get_function_pointer (gpointer itf, int slot)
255 func = *((*(gpointer**)itf)+slot);
260 * cominterop_get_com_slot_for_method:
263 * Returns: the method's slot in the COM interface vtable
266 cominterop_get_com_slot_for_method (MonoMethod* method)
268 static MonoClass *interface_type_attribute = NULL;
269 MonoInterfaceTypeAttribute* itf_attr = NULL;
270 MonoCustomAttrInfo *cinfo = NULL;
272 guint32 slot = method->slot;
277 ifaces = mono_class_get_implemented_interfaces (method->klass);
280 for (i = 0; i < ifaces->len; ++i) {
281 ic = g_ptr_array_index (ifaces, i);
282 offset = method->klass->interface_offsets[ic->interface_id];
283 if (method->slot >= offset && method->slot < offset + ic->method.count) {
288 g_ptr_array_free (ifaces, TRUE);
291 if (!interface_type_attribute)
292 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
293 cinfo = mono_custom_attrs_from_class (method->klass);
295 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
297 mono_custom_attrs_free (cinfo);
300 if (itf_attr && itf_attr->intType == 1)
301 offset = 3; /* 3 methods in IUnknown*/
303 offset = 7; /* 7 methods in IDispatch*/
305 return slot + offset;
309 * cominterop_get_method_interface:
310 * @method: method being called
312 * Returns: the Type on which the method is defined on
314 static MonoReflectionType*
315 cominterop_get_method_interface (MonoMethod* method)
318 MonoClass *ic = method->klass;
320 MonoReflectionType* rt = NULL;
322 ifaces = mono_class_get_implemented_interfaces (method->klass);
325 for (i = 0; i < ifaces->len; ++i) {
326 ic = g_ptr_array_index (ifaces, i);
327 offset = method->klass->interface_offsets[ic->interface_id];
328 if (method->slot >= offset && method->slot < offset + ic->method.count)
332 g_ptr_array_free (ifaces, TRUE);
336 MonoType* t = mono_class_get_type (ic);
337 rt = mono_type_get_object (mono_domain_get(), t);
344 mono_marshal_init (void)
346 static gboolean module_initialized = FALSE;
348 if (!module_initialized) {
349 module_initialized = TRUE;
350 InitializeCriticalSection (&marshal_mutex);
351 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
352 last_error_tls_id = TlsAlloc ();
354 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
355 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
356 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
357 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
358 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
359 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
360 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
361 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
362 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
363 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
364 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
365 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
366 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
367 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
368 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
369 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
370 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
371 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
372 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
373 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
374 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
375 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
376 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
377 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
378 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
379 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
380 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
381 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
382 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
383 register_icall (g_free, "g_free", "void ptr", FALSE);
384 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
385 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
386 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
387 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
388 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
389 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
390 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
391 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
392 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
393 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
394 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
395 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
396 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
397 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
398 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
399 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
404 mono_marshal_cleanup (void)
406 g_hash_table_destroy (wrapper_hash);
407 TlsFree (last_error_tls_id);
408 DeleteCriticalSection (&marshal_mutex);
411 MonoClass *byte_array_class;
412 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
413 static MonoMethod *method_set_context, *method_get_context;
414 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
417 mono_remoting_marshal_init (void)
421 static gboolean module_initialized = FALSE;
423 if (!module_initialized) {
424 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
425 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
426 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
427 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
429 klass = mono_defaults.real_proxy_class;
430 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
432 klass = mono_defaults.exception_class;
433 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
435 klass = mono_defaults.thread_class;
436 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
438 klass = mono_defaults.appdomain_class;
439 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
440 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
442 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
443 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
445 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
446 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
448 module_initialized = TRUE;
453 mono_delegate_to_ftnptr (MonoDelegate *delegate)
455 MonoMethod *method, *wrapper;
461 if (delegate->delegate_trampoline)
462 return delegate->delegate_trampoline;
464 klass = ((MonoObject *)delegate)->vtable->klass;
465 g_assert (klass->delegate);
467 method = delegate->method_info->method;
469 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
471 delegate->delegate_trampoline = mono_compile_method (wrapper);
473 // Add the delegate to the delegate hash table
474 delegate_hash_table_add (delegate);
476 /* when the object is collected, collect the dunamic method, too */
477 mono_object_register_finalizer ((MonoObject*)delegate);
479 return delegate->delegate_trampoline;
482 static GHashTable *delegate_hash_table;
485 delegate_hash_table_new (void) {
486 return g_hash_table_new (NULL, NULL);
490 delegate_hash_table_remove (MonoDelegate *d)
492 mono_marshal_lock ();
493 if (delegate_hash_table == NULL)
494 delegate_hash_table = delegate_hash_table_new ();
495 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
496 mono_marshal_unlock ();
500 delegate_hash_table_add (MonoDelegate *d)
502 mono_marshal_lock ();
503 if (delegate_hash_table == NULL)
504 delegate_hash_table = delegate_hash_table_new ();
505 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
506 mono_marshal_unlock ();
510 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
514 mono_marshal_lock ();
515 if (delegate_hash_table == NULL)
516 delegate_hash_table = delegate_hash_table_new ();
518 d = g_hash_table_lookup (delegate_hash_table, ftn);
519 mono_marshal_unlock ();
521 /* This is a native function, so construct a delegate for it */
522 static MonoClass *UnmanagedFunctionPointerAttribute;
523 MonoMethodSignature *sig;
525 MonoMarshalSpec **mspecs;
526 MonoCustomAttrInfo *cinfo;
527 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
528 MonoMethod *invoke = mono_get_delegate_invoke (klass);
529 MonoMethodPInvoke piinfo;
532 memset (&piinfo, 0, sizeof (piinfo));
533 if (!UnmanagedFunctionPointerAttribute)
534 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
536 /* The attribute is only available in Net 2.0 */
537 if (UnmanagedFunctionPointerAttribute) {
539 * The pinvoke attributes are stored in a real custom attribute so we have to
542 cinfo = mono_custom_attrs_from_class (klass);
544 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
546 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
549 mono_custom_attrs_free (cinfo);
553 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
554 mono_method_get_marshal_info (invoke, mspecs);
555 /* Freed below so don't alloc from mempool */
556 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
559 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
561 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
563 mono_metadata_free_marshal_spec (mspecs [i]);
567 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
568 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
571 if (d->object.vtable->domain != mono_domain_get ())
572 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
578 mono_delegate_free_ftnptr (MonoDelegate *delegate)
583 delegate_hash_table_remove (delegate);
585 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
587 if (!delegate->target) {
588 /* The wrapper method is shared between delegates -> no need to free it */
593 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
596 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
601 mono_array_to_savearray (MonoArray *array)
606 g_assert_not_reached ();
611 mono_array_to_lparray (MonoArray *array)
616 /* fixme: maybe we need to make a copy */
617 return array->vector;
621 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
623 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
625 if (elclass == mono_defaults.byte_class) {
626 GError *error = NULL;
630 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
633 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
637 g_error_free (error);
640 g_assert_not_reached ();
644 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
646 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
648 if (elclass == mono_defaults.byte_class) {
650 GError *error = NULL;
652 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
654 MonoException *exc = mono_get_exception_argument ("string", error->message);
655 g_error_free (error);
656 mono_raise_exception (exc);
659 memcpy (native_arr, as, MIN (strlen (as), elnum));
663 g_assert_not_reached ();
667 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
669 GError *error = NULL;
679 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
681 if (items_written > mono_stringbuilder_capacity (sb))
682 items_written = mono_stringbuilder_capacity (sb);
685 if (! sb->str || sb->str == sb->cached_str) {
686 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
687 sb->cached_str = NULL;
690 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
691 sb->length = items_written;
693 g_error_free (error);
699 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
706 g_assert (mono_string_chars (sb->str) == text);
708 for (len = 0; text [len] != 0; ++len)
715 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
717 GError *error = NULL;
724 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
726 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
728 g_error_free (error);
729 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
732 memcpy (res, tmp, sb->length + 1);
740 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
746 * The sb could have been allocated with the default capacity and be empty.
747 * we need to alloc a buffer of the default capacity in this case.
750 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb)));
752 * The stringbuilder might not have ownership of this string. If this is
753 * the case, we must duplicate the string, so that we don't munge immutable
756 else if (sb->str == sb->cached_str) {
757 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
758 sb->cached_str = NULL;
761 return mono_string_chars (sb->str);
765 mono_string_to_lpstr (MonoString *s)
767 #ifdef PLATFORM_WIN32
770 GError *error = NULL;
776 as = CoTaskMemAlloc (1);
781 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
783 MonoException *exc = mono_get_exception_argument ("string", error->message);
784 g_error_free (error);
785 mono_raise_exception(exc);
789 as = CoTaskMemAlloc (len + 1);
790 memcpy (as, tmp, len + 1);
794 return mono_string_to_utf8 (s);
799 mono_string_to_ansibstr (MonoString *string_obj)
801 g_error ("UnmanagedMarshal.BStr is not implemented.");
806 mono_string_to_bstr (MonoString *string_obj)
808 #ifdef PLATFORM_WIN32
809 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
811 g_error ("UnmanagedMarshal.BStr is not implemented.");
817 mono_string_from_bstr (gpointer bstr)
819 #ifdef PLATFORM_WIN32
820 MonoDomain *domain = mono_domain_get ();
821 return mono_string_new_utf16 (domain, bstr, SysStringLen (bstr));
823 g_error ("UnmanagedMarshal.BStr is not implemented.");
829 mono_free_bstr (gpointer bstr)
831 #ifdef PLATFORM_WIN32
832 SysFreeString ((BSTR)bstr);
834 g_error ("Free BSTR is not implemented.");
839 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
844 g_assert (dst != NULL);
847 memset (dst, 0, size);
852 s = mono_string_to_utf8 (src);
853 len = MIN (size, strlen (s));
854 memcpy (dst, s, len);
857 *((char *)dst + size - 1) = 0;
861 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
865 g_assert (dst != NULL);
869 memset (dst, 0, size * 2);
873 len = MIN (size, (mono_string_length (src)));
874 memcpy (dst, mono_string_chars (src), len * 2);
876 *((gunichar2 *)dst + len - 1) = 0;
880 mono_mb_free (MonoMethodBuilder *mb)
882 g_list_free (mb->locals_list);
892 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
894 MonoMethodBuilder *mb;
897 g_assert (klass != NULL);
898 g_assert (name != NULL);
900 mb = g_new0 (MonoMethodBuilder, 1);
902 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
906 m->wrapper_type = type;
908 mb->name = g_strdup (name);
910 mb->code = g_malloc (mb->code_size);
916 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
920 g_assert (mb != NULL);
921 g_assert (type != NULL);
924 mb->locals_list = g_list_append (mb->locals_list, type);
931 * mono_mb_create_method:
933 * Create a MonoMethod from this method builder.
934 * Returns: the newly created method.
936 * LOCKING: Assumes the loader lock is held.
939 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
941 MonoMethodHeader *header;
942 MonoMethodWrapper *mw;
948 g_assert (mb != NULL);
950 mp = mb->method->klass->image->mempool;
955 method->name = mb->name;
956 method->dynamic = TRUE;
958 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
959 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
961 header->code = mb->code;
963 /* Realloc the method info into a mempool */
965 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
966 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
968 method->name = mono_mempool_strdup (mp, mb->name);
970 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
971 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
973 header->code = mono_mempool_alloc (mp, mb->pos);
974 memcpy ((char*)header->code, mb->code, mb->pos);
980 header->max_stack = max_stack;
982 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
983 header->locals [i] = (MonoType *)l->data;
986 method->signature = signature;
988 header->code_size = mb->pos;
989 header->num_locals = mb->locals;
991 mw = (MonoMethodWrapper*) mb->method;
992 i = g_list_length (mw->method_data);
996 l = g_list_reverse (mw->method_data);
998 data = g_malloc (sizeof (gpointer) * (i + 1));
1000 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1001 /* store the size in the first element */
1002 data [0] = GUINT_TO_POINTER (i);
1004 for (tmp = l; tmp; tmp = tmp->next) {
1005 data [i++] = tmp->data;
1009 ((MonoMethodWrapper*)method)->method_data = data;
1012 static int total_code = 0;
1013 static int total_alloc = 0;
1014 total_code += mb->pos;
1015 total_alloc += mb->code_size;
1016 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1019 #ifdef DEBUG_RUNTIME_CODE
1020 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1021 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1028 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1030 MonoMethodWrapper *mw;
1032 g_assert (mb != NULL);
1034 mw = (MonoMethodWrapper *)mb->method;
1036 /* one O(n) is enough */
1037 mw->method_data = g_list_prepend (mw->method_data, data);
1039 return g_list_length (mw->method_data);
1043 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1045 mb->code [pos] = value & 0xff;
1046 mb->code [pos + 1] = (value >> 8) & 0xff;
1047 mb->code [pos + 2] = (value >> 16) & 0xff;
1048 mb->code [pos + 3] = (value >> 24) & 0xff;
1052 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1054 *((gint8 *)(&mb->code [pos])) = value;
1058 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1060 if (mb->pos >= mb->code_size) {
1061 mb->code_size += mb->code_size >> 1;
1062 mb->code = g_realloc (mb->code, mb->code_size);
1065 mb->code [mb->pos++] = op;
1069 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1071 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1072 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1075 mono_mb_emit_icon (mb, offset);
1076 mono_mb_emit_byte (mb, CEE_ADD);
1081 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1084 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1085 mono_mb_emit_byte (mb, CEE_LDIND_I);
1086 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1087 mono_mb_emit_byte (mb, CEE_ADD);
1088 mono_mb_emit_byte (mb, CEE_LDIND_I);
1089 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1090 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1091 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1092 mono_mb_emit_byte (mb, branch_code);
1094 mono_mb_emit_i4 (mb, 0);
1099 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1102 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1103 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1104 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1105 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1106 mono_mb_emit_icon (mb, -1);
1107 mono_mb_emit_byte (mb, branch_code);
1109 mono_mb_emit_i4 (mb, 0);
1114 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1116 if ((mb->pos + 4) >= mb->code_size) {
1117 mb->code_size += mb->code_size >> 1;
1118 mb->code = g_realloc (mb->code, mb->code_size);
1121 mono_mb_patch_addr (mb, mb->pos, data);
1126 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1128 if ((mb->pos + 2) >= mb->code_size) {
1129 mb->code_size += mb->code_size >> 1;
1130 mb->code = g_realloc (mb->code, mb->code_size);
1133 mb->code [mb->pos] = data & 0xff;
1134 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1139 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1141 mono_mb_emit_byte (mb, CEE_LDSTR);
1142 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
1147 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1150 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1151 } else if (argnum < 256) {
1152 mono_mb_emit_byte (mb, CEE_LDARG_S);
1153 mono_mb_emit_byte (mb, argnum);
1155 mono_mb_emit_byte (mb, CEE_PREFIX1);
1156 mono_mb_emit_byte (mb, CEE_LDARG);
1157 mono_mb_emit_i2 (mb, argnum);
1162 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1165 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1166 mono_mb_emit_byte (mb, argnum);
1168 mono_mb_emit_byte (mb, CEE_PREFIX1);
1169 mono_mb_emit_byte (mb, CEE_LDARGA);
1170 mono_mb_emit_i2 (mb, argnum);
1175 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1178 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1179 mono_mb_emit_byte (mb, locnum);
1181 mono_mb_emit_byte (mb, CEE_PREFIX1);
1182 mono_mb_emit_byte (mb, CEE_LDLOCA);
1183 mono_mb_emit_i2 (mb, locnum);
1188 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1191 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1192 } else if (num < 256) {
1193 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1194 mono_mb_emit_byte (mb, num);
1196 mono_mb_emit_byte (mb, CEE_PREFIX1);
1197 mono_mb_emit_byte (mb, CEE_LDLOC);
1198 mono_mb_emit_i2 (mb, num);
1203 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1206 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1207 } else if (num < 256) {
1208 mono_mb_emit_byte (mb, CEE_STLOC_S);
1209 mono_mb_emit_byte (mb, num);
1211 mono_mb_emit_byte (mb, CEE_PREFIX1);
1212 mono_mb_emit_byte (mb, CEE_STLOC);
1213 mono_mb_emit_i2 (mb, num);
1218 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1220 if (value >= -1 && value < 8) {
1221 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1222 } else if (value >= -128 && value <= 127) {
1223 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1224 mono_mb_emit_byte (mb, value);
1226 mono_mb_emit_byte (mb, CEE_LDC_I4);
1227 mono_mb_emit_i4 (mb, value);
1232 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1235 mono_mb_emit_byte (mb, op);
1237 mono_mb_emit_i4 (mb, 0);
1242 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1244 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1245 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1246 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ptr));
1250 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1252 mono_mb_emit_byte (mb, CEE_CALLI);
1253 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1257 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1259 mono_mb_emit_byte (mb, CEE_CALL);
1260 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1264 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1266 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1267 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1268 mono_mb_emit_ptr (mb, func);
1269 mono_mb_emit_calli (mb, sig);
1270 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1271 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1275 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1277 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1278 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
1279 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
1283 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1285 // get function pointer from 1st arg, the COM interface pointer
1286 mono_mb_emit_ldarg (mb, 0);
1287 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1288 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1290 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1291 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1292 mono_mb_emit_calli (mb, sig);
1293 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1294 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1298 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1300 MonoMethod *ctor = NULL;
1302 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1303 mono_class_init (mme);
1304 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1306 mono_mb_emit_byte (mb, CEE_NEWOBJ);
1307 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
1309 mono_mb_emit_byte (mb, CEE_DUP);
1310 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1311 mono_mb_emit_ldstr (mb, (char*)msg);
1312 mono_mb_emit_byte (mb, CEE_STIND_REF);
1314 mono_mb_emit_byte (mb, CEE_THROW);
1318 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1320 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1324 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1326 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1330 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1332 mono_mb_emit_ldloc (mb, local);
1333 mono_mb_emit_icon (mb, incr);
1334 mono_mb_emit_byte (mb, CEE_ADD);
1335 mono_mb_emit_stloc (mb, local);
1339 mono_type_to_ldind (MonoType *type)
1345 switch (type->type) {
1347 return CEE_LDIND_I1;
1349 case MONO_TYPE_BOOLEAN:
1350 return CEE_LDIND_U1;
1352 return CEE_LDIND_I2;
1354 case MONO_TYPE_CHAR:
1355 return CEE_LDIND_U2;
1357 return CEE_LDIND_I4;
1359 return CEE_LDIND_U4;
1363 case MONO_TYPE_FNPTR:
1365 case MONO_TYPE_CLASS:
1366 case MONO_TYPE_STRING:
1367 case MONO_TYPE_OBJECT:
1368 case MONO_TYPE_SZARRAY:
1369 case MONO_TYPE_ARRAY:
1370 return CEE_LDIND_REF;
1373 return CEE_LDIND_I8;
1375 return CEE_LDIND_R4;
1377 return CEE_LDIND_R8;
1378 case MONO_TYPE_VALUETYPE:
1379 if (type->data.klass->enumtype) {
1380 type = type->data.klass->enum_basetype;
1384 case MONO_TYPE_TYPEDBYREF:
1386 case MONO_TYPE_GENERICINST:
1387 type = &type->data.generic_class->container_class->byval_arg;
1390 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1396 mono_type_to_stind (MonoType *type)
1402 switch (type->type) {
1405 case MONO_TYPE_BOOLEAN:
1406 return CEE_STIND_I1;
1409 case MONO_TYPE_CHAR:
1410 return CEE_STIND_I2;
1413 return CEE_STIND_I4;
1417 case MONO_TYPE_FNPTR:
1419 case MONO_TYPE_CLASS:
1420 case MONO_TYPE_STRING:
1421 case MONO_TYPE_OBJECT:
1422 case MONO_TYPE_SZARRAY:
1423 case MONO_TYPE_ARRAY:
1424 return CEE_STIND_REF;
1427 return CEE_STIND_I8;
1429 return CEE_STIND_R4;
1431 return CEE_STIND_R8;
1432 case MONO_TYPE_VALUETYPE:
1433 if (type->data.klass->enumtype) {
1434 type = type->data.klass->enum_basetype;
1438 case MONO_TYPE_TYPEDBYREF:
1440 case MONO_TYPE_GENERICINST:
1441 type = &type->data.generic_class->container_class->byval_arg;
1444 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1450 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1453 case MONO_MARSHAL_CONV_BOOL_I4:
1454 mono_mb_emit_ldloc (mb, 1);
1455 mono_mb_emit_ldloc (mb, 0);
1456 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1457 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1458 mono_mb_emit_byte (mb, 3);
1459 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1460 mono_mb_emit_byte (mb, CEE_BR_S);
1461 mono_mb_emit_byte (mb, 1);
1462 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1463 mono_mb_emit_byte (mb, CEE_STIND_I1);
1465 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1466 mono_mb_emit_ldloc (mb, 1);
1467 mono_mb_emit_ldloc (mb, 0);
1468 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1469 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1470 mono_mb_emit_byte (mb, 3);
1471 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1472 mono_mb_emit_byte (mb, CEE_BR_S);
1473 mono_mb_emit_byte (mb, 1);
1474 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1475 mono_mb_emit_byte (mb, CEE_STIND_I1);
1477 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1478 MonoClass *eklass = NULL;
1481 if (type->type == MONO_TYPE_SZARRAY) {
1482 eklass = type->data.klass;
1484 g_assert_not_reached ();
1487 esize = mono_class_native_size (eklass, NULL);
1489 /* create a new array */
1490 mono_mb_emit_ldloc (mb, 1);
1491 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1492 mono_mb_emit_byte (mb, CEE_NEWARR);
1493 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1494 mono_mb_emit_byte (mb, CEE_STIND_I);
1496 if (eklass->blittable) {
1497 /* copy the elements */
1498 mono_mb_emit_ldloc (mb, 1);
1499 mono_mb_emit_byte (mb, CEE_LDIND_I);
1500 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1501 mono_mb_emit_byte (mb, CEE_ADD);
1502 mono_mb_emit_ldloc (mb, 0);
1503 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1504 mono_mb_emit_byte (mb, CEE_PREFIX1);
1505 mono_mb_emit_byte (mb, CEE_CPBLK);
1508 int array_var, src_var, dst_var, index_var;
1509 guint32 label2, label3;
1511 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1512 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1513 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1516 mono_mb_emit_ldloc (mb, 1);
1517 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1518 mono_mb_emit_stloc (mb, array_var);
1520 /* save the old src pointer */
1521 mono_mb_emit_ldloc (mb, 0);
1522 mono_mb_emit_stloc (mb, src_var);
1523 /* save the old dst pointer */
1524 mono_mb_emit_ldloc (mb, 1);
1525 mono_mb_emit_stloc (mb, dst_var);
1527 /* Emit marshalling loop */
1528 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1529 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1530 mono_mb_emit_stloc (mb, index_var);
1534 mono_mb_emit_ldloc (mb, index_var);
1535 mono_mb_emit_ldloc (mb, array_var);
1536 mono_mb_emit_byte (mb, CEE_LDLEN);
1537 mono_mb_emit_byte (mb, CEE_BGE);
1539 mono_mb_emit_i4 (mb, 0);
1541 /* src is already set */
1544 mono_mb_emit_ldloc (mb, array_var);
1545 mono_mb_emit_ldloc (mb, index_var);
1546 mono_mb_emit_byte (mb, CEE_LDELEMA);
1547 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1548 mono_mb_emit_stloc (mb, 1);
1550 /* Do the conversion */
1551 emit_struct_conv (mb, eklass, TRUE);
1554 mono_mb_emit_add_to_local (mb, index_var, 1);
1556 mono_mb_emit_byte (mb, CEE_BR);
1557 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1559 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
1561 /* restore the old src pointer */
1562 mono_mb_emit_ldloc (mb, src_var);
1563 mono_mb_emit_stloc (mb, 0);
1564 /* restore the old dst pointer */
1565 mono_mb_emit_ldloc (mb, dst_var);
1566 mono_mb_emit_stloc (mb, 1);
1570 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1571 MonoClass *eclass = mono_defaults.char_class;
1573 /* create a new array */
1574 mono_mb_emit_ldloc (mb, 1);
1575 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1576 mono_mb_emit_byte (mb, CEE_NEWARR);
1577 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
1578 mono_mb_emit_byte (mb, CEE_STIND_REF);
1580 mono_mb_emit_ldloc (mb, 1);
1581 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1582 mono_mb_emit_ldloc (mb, 0);
1583 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1584 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1585 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1588 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1589 mono_mb_emit_ldloc (mb, 1);
1590 mono_mb_emit_ldloc (mb, 0);
1591 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1592 mono_mb_emit_byte (mb, CEE_STIND_REF);
1594 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1595 mono_mb_emit_ldloc (mb, 1);
1596 mono_mb_emit_ldloc (mb, 0);
1597 mono_mb_emit_icall (mb, mono_string_from_utf16);
1598 mono_mb_emit_byte (mb, CEE_STIND_REF);
1600 case MONO_MARSHAL_CONV_STR_LPTSTR:
1601 case MONO_MARSHAL_CONV_STR_LPSTR:
1602 mono_mb_emit_ldloc (mb, 1);
1603 mono_mb_emit_ldloc (mb, 0);
1604 mono_mb_emit_byte (mb, CEE_LDIND_I);
1605 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1606 mono_mb_emit_byte (mb, CEE_STIND_REF);
1608 case MONO_MARSHAL_CONV_STR_LPWSTR:
1609 mono_mb_emit_ldloc (mb, 1);
1610 mono_mb_emit_ldloc (mb, 0);
1611 mono_mb_emit_byte (mb, CEE_LDIND_I);
1612 mono_mb_emit_icall (mb, mono_string_from_utf16);
1613 mono_mb_emit_byte (mb, CEE_STIND_REF);
1615 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1616 MonoClass *klass = mono_class_from_mono_type (type);
1617 int src_var, dst_var;
1619 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1620 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1622 /* *dst = new object */
1623 mono_mb_emit_ldloc (mb, 1);
1624 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1625 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1626 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1627 mono_mb_emit_byte (mb, CEE_STIND_REF);
1629 /* save the old src pointer */
1630 mono_mb_emit_ldloc (mb, 0);
1631 mono_mb_emit_stloc (mb, src_var);
1632 /* save the old dst pointer */
1633 mono_mb_emit_ldloc (mb, 1);
1634 mono_mb_emit_stloc (mb, dst_var);
1636 /* dst = pointer to newly created object data */
1637 mono_mb_emit_ldloc (mb, 1);
1638 mono_mb_emit_byte (mb, CEE_LDIND_I);
1639 mono_mb_emit_icon (mb, sizeof (MonoObject));
1640 mono_mb_emit_byte (mb, CEE_ADD);
1641 mono_mb_emit_stloc (mb, 1);
1643 emit_struct_conv (mb, klass, TRUE);
1645 /* restore the old src pointer */
1646 mono_mb_emit_ldloc (mb, src_var);
1647 mono_mb_emit_stloc (mb, 0);
1648 /* restore the old dst pointer */
1649 mono_mb_emit_ldloc (mb, dst_var);
1650 mono_mb_emit_stloc (mb, 1);
1653 case MONO_MARSHAL_CONV_DEL_FTN: {
1654 MonoClass *klass = mono_class_from_mono_type (type);
1656 mono_mb_emit_ldloc (mb, 1);
1657 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1658 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1659 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1660 mono_mb_emit_ldloc (mb, 0);
1661 mono_mb_emit_byte (mb, CEE_LDIND_I);
1662 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1663 mono_mb_emit_byte (mb, CEE_STIND_REF);
1666 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1667 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1669 case MONO_MARSHAL_CONV_STR_BSTR:
1670 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1671 case MONO_MARSHAL_CONV_STR_TBSTR:
1672 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1674 g_warning ("marshaling conversion %d not implemented", conv);
1675 g_assert_not_reached ();
1680 conv_to_icall (MonoMarshalConv conv)
1683 case MONO_MARSHAL_CONV_STR_LPWSTR:
1684 return mono_marshal_string_to_utf16;
1685 case MONO_MARSHAL_CONV_LPWSTR_STR:
1686 return mono_string_from_utf16;
1687 case MONO_MARSHAL_CONV_LPSTR_STR:
1688 return mono_string_new_wrapper;
1689 case MONO_MARSHAL_CONV_STR_LPTSTR:
1690 case MONO_MARSHAL_CONV_STR_LPSTR:
1691 return mono_string_to_lpstr;
1692 case MONO_MARSHAL_CONV_STR_BSTR:
1693 return mono_string_to_bstr;
1694 case MONO_MARSHAL_CONV_BSTR_STR:
1695 return mono_string_from_bstr;
1696 case MONO_MARSHAL_CONV_STR_TBSTR:
1697 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1698 return mono_string_to_ansibstr;
1699 case MONO_MARSHAL_CONV_SB_LPSTR:
1700 case MONO_MARSHAL_CONV_SB_LPTSTR:
1701 return mono_string_builder_to_utf8;
1702 case MONO_MARSHAL_CONV_SB_LPWSTR:
1703 return mono_string_builder_to_utf16;
1704 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1705 return mono_array_to_savearray;
1706 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1707 return mono_array_to_lparray;
1708 case MONO_MARSHAL_CONV_DEL_FTN:
1709 return mono_delegate_to_ftnptr;
1710 case MONO_MARSHAL_CONV_FTN_DEL:
1711 return mono_ftnptr_to_delegate;
1712 case MONO_MARSHAL_CONV_LPSTR_SB:
1713 case MONO_MARSHAL_CONV_LPTSTR_SB:
1714 return mono_string_utf8_to_builder;
1715 case MONO_MARSHAL_CONV_LPWSTR_SB:
1716 return mono_string_utf16_to_builder;
1717 case MONO_MARSHAL_FREE_ARRAY:
1718 return mono_marshal_free_array;
1719 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1720 return mono_string_to_byvalstr;
1721 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1722 return mono_string_to_byvalwstr;
1724 g_assert_not_reached ();
1731 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1736 case MONO_MARSHAL_CONV_BOOL_I4:
1737 mono_mb_emit_ldloc (mb, 1);
1738 mono_mb_emit_ldloc (mb, 0);
1739 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1740 mono_mb_emit_byte (mb, CEE_STIND_I4);
1742 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1743 mono_mb_emit_ldloc (mb, 1);
1744 mono_mb_emit_ldloc (mb, 0);
1745 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1746 mono_mb_emit_byte (mb, CEE_NEG);
1747 mono_mb_emit_byte (mb, CEE_STIND_I2);
1749 case MONO_MARSHAL_CONV_STR_LPWSTR:
1750 case MONO_MARSHAL_CONV_STR_LPSTR:
1751 case MONO_MARSHAL_CONV_STR_LPTSTR:
1752 case MONO_MARSHAL_CONV_STR_BSTR:
1753 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1754 case MONO_MARSHAL_CONV_STR_TBSTR: {
1757 /* free space if free == true */
1758 mono_mb_emit_ldloc (mb, 2);
1759 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1761 mono_mb_emit_byte (mb, 0);
1762 mono_mb_emit_ldloc (mb, 1);
1763 mono_mb_emit_byte (mb, CEE_LDIND_I);
1764 mono_mb_emit_icall (mb, g_free);
1765 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1767 mono_mb_emit_ldloc (mb, 1);
1768 mono_mb_emit_ldloc (mb, 0);
1769 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1770 mono_mb_emit_icall (mb, conv_to_icall (conv));
1771 mono_mb_emit_byte (mb, CEE_STIND_I);
1774 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1775 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1776 case MONO_MARSHAL_CONV_DEL_FTN:
1777 mono_mb_emit_ldloc (mb, 1);
1778 mono_mb_emit_ldloc (mb, 0);
1779 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1780 mono_mb_emit_icall (mb, conv_to_icall (conv));
1781 mono_mb_emit_byte (mb, CEE_STIND_I);
1783 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1784 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1787 mono_mb_emit_ldloc (mb, 1); /* dst */
1788 mono_mb_emit_ldloc (mb, 0);
1789 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1790 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1791 mono_mb_emit_icall (mb, conv_to_icall (conv));
1794 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1795 MonoClass *eklass = NULL;
1798 if (type->type == MONO_TYPE_SZARRAY) {
1799 eklass = type->data.klass;
1801 g_assert_not_reached ();
1804 if (eklass->valuetype)
1805 esize = mono_class_native_size (eklass, NULL);
1807 esize = sizeof (gpointer);
1809 mono_mb_emit_ldloc (mb, 0);
1810 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1811 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1813 mono_mb_emit_byte (mb, 0);
1815 if (eklass->blittable) {
1816 mono_mb_emit_ldloc (mb, 1);
1817 mono_mb_emit_ldloc (mb, 0);
1818 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1819 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1820 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1821 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1822 mono_mb_emit_byte (mb, CEE_ADD);
1823 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1824 mono_mb_emit_byte (mb, CEE_PREFIX1);
1825 mono_mb_emit_byte (mb, CEE_CPBLK);
1827 int array_var, src_var, dst_var, index_var;
1828 guint32 label2, label3;
1830 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1831 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1832 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1835 mono_mb_emit_ldloc (mb, 0);
1836 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1837 mono_mb_emit_stloc (mb, array_var);
1839 /* save the old src pointer */
1840 mono_mb_emit_ldloc (mb, 0);
1841 mono_mb_emit_stloc (mb, src_var);
1842 /* save the old dst pointer */
1843 mono_mb_emit_ldloc (mb, 1);
1844 mono_mb_emit_stloc (mb, dst_var);
1846 /* Emit marshalling loop */
1847 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1848 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1849 mono_mb_emit_stloc (mb, index_var);
1853 mono_mb_emit_ldloc (mb, index_var);
1854 mono_mb_emit_ldloc (mb, array_var);
1855 mono_mb_emit_byte (mb, CEE_LDLEN);
1856 mono_mb_emit_byte (mb, CEE_BGE);
1858 mono_mb_emit_i4 (mb, 0);
1861 mono_mb_emit_ldloc (mb, array_var);
1862 mono_mb_emit_ldloc (mb, index_var);
1863 mono_mb_emit_byte (mb, CEE_LDELEMA);
1864 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1865 mono_mb_emit_stloc (mb, 0);
1867 /* dst is already set */
1869 /* Do the conversion */
1870 emit_struct_conv (mb, eklass, FALSE);
1873 mono_mb_emit_add_to_local (mb, index_var, 1);
1875 mono_mb_emit_byte (mb, CEE_BR);
1876 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1878 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
1880 /* restore the old src pointer */
1881 mono_mb_emit_ldloc (mb, src_var);
1882 mono_mb_emit_stloc (mb, 0);
1883 /* restore the old dst pointer */
1884 mono_mb_emit_ldloc (mb, dst_var);
1885 mono_mb_emit_stloc (mb, 1);
1888 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1891 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1892 mono_mb_emit_ldloc (mb, 0);
1893 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1894 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1896 mono_mb_emit_byte (mb, 0);
1898 mono_mb_emit_ldloc (mb, 1);
1899 mono_mb_emit_ldloc (mb, 0);
1900 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1901 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1902 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1903 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1904 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1907 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1908 int src_var, dst_var;
1910 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1911 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1913 mono_mb_emit_ldloc (mb, 0);
1914 mono_mb_emit_byte (mb, CEE_LDIND_I);
1915 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1917 mono_mb_emit_byte (mb, 0);
1919 /* save the old src pointer */
1920 mono_mb_emit_ldloc (mb, 0);
1921 mono_mb_emit_stloc (mb, src_var);
1922 /* save the old dst pointer */
1923 mono_mb_emit_ldloc (mb, 1);
1924 mono_mb_emit_stloc (mb, dst_var);
1926 /* src = pointer to object data */
1927 mono_mb_emit_ldloc (mb, 0);
1928 mono_mb_emit_byte (mb, CEE_LDIND_I);
1929 mono_mb_emit_icon (mb, sizeof (MonoObject));
1930 mono_mb_emit_byte (mb, CEE_ADD);
1931 mono_mb_emit_stloc (mb, 0);
1933 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1935 /* restore the old src pointer */
1936 mono_mb_emit_ldloc (mb, src_var);
1937 mono_mb_emit_stloc (mb, 0);
1938 /* restore the old dst pointer */
1939 mono_mb_emit_ldloc (mb, dst_var);
1940 mono_mb_emit_stloc (mb, 1);
1942 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1946 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1947 MonoException *exc = mono_get_exception_not_implemented (msg);
1950 mono_raise_exception (exc);
1956 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1958 MonoMarshalType *info;
1962 emit_struct_conv(mb, klass->parent, to_object);
1964 info = mono_marshal_load_type_info (klass);
1966 if (info->native_size == 0)
1969 if (klass->blittable) {
1970 int msize = mono_class_value_size (klass, NULL);
1971 g_assert (msize == info->native_size);
1972 mono_mb_emit_ldloc (mb, 1);
1973 mono_mb_emit_ldloc (mb, 0);
1974 mono_mb_emit_icon (mb, msize);
1975 mono_mb_emit_byte (mb, CEE_PREFIX1);
1976 mono_mb_emit_byte (mb, CEE_CPBLK);
1978 mono_mb_emit_add_to_local (mb, 0, msize);
1979 mono_mb_emit_add_to_local (mb, 1, msize);
1983 for (i = 0; i < info->num_fields; i++) {
1984 MonoMarshalNative ntype;
1985 MonoMarshalConv conv;
1986 MonoType *ftype = info->fields [i].field->type;
1989 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1991 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1994 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1997 msize = klass->instance_size - info->fields [i].field->offset;
1998 usize = info->native_size - info->fields [i].offset;
2000 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2001 usize = info->fields [i + 1].offset - info->fields [i].offset;
2005 * FIXME: Should really check for usize==0 and msize>0, but we apply
2006 * the layout to the managed structure as well.
2008 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2009 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) || ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2010 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));
2013 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2014 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
2017 case MONO_MARSHAL_CONV_NONE: {
2020 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2021 ftype->type == MONO_TYPE_U) {
2022 mono_mb_emit_ldloc (mb, 1);
2023 mono_mb_emit_ldloc (mb, 0);
2024 mono_mb_emit_byte (mb, CEE_LDIND_I);
2025 mono_mb_emit_byte (mb, CEE_STIND_I);
2036 case MONO_TYPE_BOOLEAN:
2039 case MONO_TYPE_CHAR:
2045 mono_mb_emit_ldloc (mb, 1);
2046 mono_mb_emit_ldloc (mb, 0);
2047 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2048 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2050 case MONO_TYPE_VALUETYPE: {
2051 int src_var, dst_var;
2053 if (ftype->data.klass->enumtype) {
2054 ftype = ftype->data.klass->enum_basetype;
2058 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2059 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2061 /* save the old src pointer */
2062 mono_mb_emit_ldloc (mb, 0);
2063 mono_mb_emit_stloc (mb, src_var);
2064 /* save the old dst pointer */
2065 mono_mb_emit_ldloc (mb, 1);
2066 mono_mb_emit_stloc (mb, dst_var);
2068 emit_struct_conv (mb, ftype->data.klass, to_object);
2070 /* restore the old src pointer */
2071 mono_mb_emit_ldloc (mb, src_var);
2072 mono_mb_emit_stloc (mb, 0);
2073 /* restore the old dst pointer */
2074 mono_mb_emit_ldloc (mb, dst_var);
2075 mono_mb_emit_stloc (mb, 1);
2080 g_warning ("marshaling type %02x not implemented", ftype->type);
2081 g_assert_not_reached ();
2086 int src_var, dst_var;
2088 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2089 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2091 /* save the old src pointer */
2092 mono_mb_emit_ldloc (mb, 0);
2093 mono_mb_emit_stloc (mb, src_var);
2094 /* save the old dst pointer */
2095 mono_mb_emit_ldloc (mb, 1);
2096 mono_mb_emit_stloc (mb, dst_var);
2099 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2101 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2103 /* restore the old src pointer */
2104 mono_mb_emit_ldloc (mb, src_var);
2105 mono_mb_emit_stloc (mb, 0);
2106 /* restore the old dst pointer */
2107 mono_mb_emit_ldloc (mb, dst_var);
2108 mono_mb_emit_stloc (mb, 1);
2113 mono_mb_emit_add_to_local (mb, 0, usize);
2114 mono_mb_emit_add_to_local (mb, 1, msize);
2116 mono_mb_emit_add_to_local (mb, 0, msize);
2117 mono_mb_emit_add_to_local (mb, 1, usize);
2123 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2125 /* Call DestroyStructure */
2126 /* FIXME: Only do this if needed */
2127 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2128 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
2129 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2130 mono_mb_emit_ldloc (mb, struct_var);
2131 mono_mb_emit_icall (mb, mono_struct_delete_old);
2135 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2139 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2140 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2141 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2143 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2144 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2146 mono_mb_emit_icall (mb, checkpoint_func);
2148 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2152 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2154 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2157 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2161 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2163 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2166 static MonoAsyncResult *
2167 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2169 MonoMethodMessage *msg;
2170 MonoDelegate *async_callback;
2174 MonoMethod *method = NULL, *method2 = NULL;
2176 g_assert (delegate);
2178 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2180 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2181 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2183 /* If the target is a proxy, make a direct call. Is proxy's work
2184 // to make the call asynchronous.
2186 MonoAsyncResult *ares;
2188 MonoArray *out_args;
2190 method = delegate->method_info->method;
2192 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2193 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2194 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2195 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2196 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2197 MONO_OBJECT_SETREF (msg, async_result, ares);
2198 msg->call_type = CallType_BeginInvoke;
2200 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2205 klass = delegate->object.vtable->klass;
2207 method = mono_get_delegate_invoke (klass);
2208 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2211 g_assert (method != NULL);
2213 im = mono_get_delegate_invoke (method->klass);
2214 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2216 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2220 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2222 int i, params_var, tmp_var;
2224 /* allocate local (pointer) *params[] */
2225 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2226 /* allocate local (pointer) tmp */
2227 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2229 /* alloate space on stack to store an array of pointers to the arguments */
2230 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2231 mono_mb_emit_byte (mb, CEE_PREFIX1);
2232 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2233 mono_mb_emit_stloc (mb, params_var);
2236 mono_mb_emit_ldloc (mb, params_var);
2237 mono_mb_emit_stloc (mb, tmp_var);
2239 if (save_this && sig->hasthis) {
2240 mono_mb_emit_ldloc (mb, tmp_var);
2241 mono_mb_emit_ldarg_addr (mb, 0);
2242 mono_mb_emit_byte (mb, CEE_STIND_I);
2243 /* tmp = tmp + sizeof (gpointer) */
2244 if (sig->param_count)
2245 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2249 for (i = 0; i < sig->param_count; i++) {
2250 mono_mb_emit_ldloc (mb, tmp_var);
2251 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2252 mono_mb_emit_byte (mb, CEE_STIND_I);
2253 /* tmp = tmp + sizeof (gpointer) */
2254 if (i < (sig->param_count - 1))
2255 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2262 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2266 GString *res = g_string_new ("");
2269 g_string_append (res, prefix);
2270 g_string_append_c (res, '_');
2273 mono_type_get_desc (res, sig->ret, FALSE);
2275 for (i = 0; i < sig->param_count; ++i) {
2276 g_string_append_c (res, '_');
2277 mono_type_get_desc (res, sig->params [i], FALSE);
2280 g_string_free (res, FALSE);
2285 * mono_marshal_get_string_encoding:
2287 * Return the string encoding which should be used for a given parameter.
2289 static MonoMarshalNative
2290 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2292 /* First try the parameter marshal info */
2294 if (spec->native == MONO_NATIVE_LPARRAY) {
2295 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2296 return spec->data.array_data.elem_type;
2299 return spec->native;
2303 return MONO_NATIVE_LPSTR;
2305 /* Then try the method level marshal info */
2306 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2307 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2308 return MONO_NATIVE_LPSTR;
2309 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2310 return MONO_NATIVE_LPWSTR;
2311 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2312 #ifdef PLATFORM_WIN32
2313 return MONO_NATIVE_LPWSTR;
2315 return MONO_NATIVE_LPSTR;
2318 return MONO_NATIVE_LPSTR;
2322 static MonoMarshalConv
2323 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2325 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2328 case MONO_NATIVE_LPWSTR:
2329 return MONO_MARSHAL_CONV_STR_LPWSTR;
2330 case MONO_NATIVE_LPSTR:
2331 return MONO_MARSHAL_CONV_STR_LPSTR;
2332 case MONO_NATIVE_LPTSTR:
2333 return MONO_MARSHAL_CONV_STR_LPTSTR;
2334 case MONO_NATIVE_BSTR:
2335 return MONO_MARSHAL_CONV_STR_BSTR;
2341 static MonoMarshalConv
2342 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2344 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2347 case MONO_NATIVE_LPWSTR:
2348 return MONO_MARSHAL_CONV_SB_LPWSTR;
2350 case MONO_NATIVE_LPSTR:
2351 return MONO_MARSHAL_CONV_SB_LPSTR;
2353 case MONO_NATIVE_LPTSTR:
2354 return MONO_MARSHAL_CONV_SB_LPTSTR;
2361 static MonoMarshalConv
2362 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2364 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2369 case MONO_NATIVE_LPWSTR:
2370 return MONO_MARSHAL_CONV_LPWSTR_STR;
2371 case MONO_NATIVE_LPSTR:
2372 return MONO_MARSHAL_CONV_LPSTR_STR;
2373 case MONO_NATIVE_LPTSTR:
2374 return MONO_MARSHAL_CONV_LPTSTR_STR;
2375 case MONO_NATIVE_BSTR:
2376 return MONO_MARSHAL_CONV_BSTR_STR;
2382 static MonoMarshalConv
2383 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2385 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2390 case MONO_NATIVE_LPWSTR:
2392 * mono_string_builder_to_utf16 does not allocate a
2393 * new buffer, so no need to free it.
2396 return MONO_MARSHAL_CONV_LPWSTR_SB;
2397 case MONO_NATIVE_LPSTR:
2398 return MONO_MARSHAL_CONV_LPSTR_SB;
2400 case MONO_NATIVE_LPTSTR:
2401 return MONO_MARSHAL_CONV_LPTSTR_SB;
2409 * Return whenever a field of a native structure or an array member needs to
2413 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2415 MonoMarshalNative encoding;
2416 MonoMarshalConv conv;
2419 case MONO_TYPE_VALUETYPE:
2420 /* FIXME: Optimize this */
2422 case MONO_TYPE_OBJECT:
2423 case MONO_TYPE_CLASS:
2424 if (t->data.klass == mono_defaults.stringbuilder_class) {
2426 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2430 case MONO_TYPE_STRING:
2431 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2432 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2438 static inline MonoMethod*
2439 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2443 mono_marshal_lock ();
2444 res = g_hash_table_lookup (cache, key);
2445 mono_marshal_unlock ();
2449 /* Create the method from the builder and place it in the cache */
2450 static inline MonoMethod*
2451 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2452 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2457 mono_loader_lock ();
2458 mono_marshal_lock ();
2459 res = g_hash_table_lookup (cache, key);
2461 /* This does not acquire any locks */
2462 res = mono_mb_create_method (mb, sig, max_stack);
2463 g_hash_table_insert (cache, key, res);
2464 g_hash_table_insert (wrapper_hash, res, key);
2466 mono_marshal_unlock ();
2467 mono_loader_unlock ();
2473 static inline MonoMethod*
2474 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2476 MonoMethod *res = NULL;
2477 MonoRemotingMethods *wrps;
2479 mono_marshal_lock ();
2480 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2483 switch (wrapper_type) {
2484 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2485 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2486 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2487 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2491 mono_marshal_unlock ();
2495 /* Create the method from the builder and place it in the cache */
2496 static inline MonoMethod*
2497 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2498 MonoMethodSignature *sig, int max_stack)
2500 MonoMethod **res = NULL;
2501 MonoRemotingMethods *wrps;
2502 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2504 mono_loader_lock ();
2505 mono_marshal_lock ();
2506 wrps = g_hash_table_lookup (cache, key);
2508 wrps = g_new0 (MonoRemotingMethods, 1);
2509 g_hash_table_insert (cache, key, wrps);
2512 switch (mb->method->wrapper_type) {
2513 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2514 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2515 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2516 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2517 default: g_assert_not_reached (); break;
2521 /* This does not acquire any locks */
2522 *res = mono_mb_create_method (mb, sig, max_stack);
2523 g_hash_table_insert (wrapper_hash, *res, key);
2526 mono_marshal_unlock ();
2527 mono_loader_unlock ();
2533 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2537 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2540 mono_marshal_lock ();
2541 res = g_hash_table_lookup (wrapper_hash, wrapper);
2542 mono_marshal_unlock ();
2547 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2549 MonoMethodSignature *sig;
2550 MonoMethodBuilder *mb;
2556 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2557 !strcmp (method->name, "BeginInvoke"));
2559 sig = signature_no_pinvoke (method);
2561 cache = method->klass->image->delegate_begin_invoke_cache;
2562 if ((res = mono_marshal_find_in_cache (cache, sig)))
2565 g_assert (sig->hasthis);
2567 name = mono_signature_to_name (sig, "begin_invoke");
2568 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2571 mb->method->save_lmf = 1;
2573 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2575 mono_mb_emit_ldarg (mb, 0);
2576 mono_mb_emit_ldloc (mb, params_var);
2577 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2578 emit_thread_interrupt_checkpoint (mb);
2579 mono_mb_emit_byte (mb, CEE_RET);
2581 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2587 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2589 MonoDomain *domain = mono_domain_get ();
2590 MonoAsyncResult *ares;
2591 MonoMethod *method = NULL;
2592 MonoMethodSignature *sig;
2593 MonoMethodMessage *msg;
2594 MonoObject *res, *exc;
2595 MonoArray *out_args;
2598 g_assert (delegate);
2600 if (!delegate->method_info || !delegate->method_info->method)
2601 g_assert_not_reached ();
2603 klass = delegate->object.vtable->klass;
2605 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2606 g_assert (method != NULL);
2608 sig = signature_no_pinvoke (method);
2610 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2612 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2615 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2616 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2617 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2618 mono_message_init (domain, msg, delegate->method_info, NULL);
2619 msg->call_type = CallType_EndInvoke;
2620 MONO_OBJECT_SETREF (msg, async_result, ares);
2621 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2624 res = mono_thread_pool_finish (ares, &out_args, &exc);
2627 if (((MonoException*)exc)->stack_trace) {
2628 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2630 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2632 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2635 mono_raise_exception ((MonoException*)exc);
2638 mono_method_return_message_restore (method, params, out_args);
2643 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2645 MonoType *t = mono_type_get_underlying_type (return_type);
2647 if (return_type->byref)
2648 return_type = &mono_defaults.int_class->byval_arg;
2651 case MONO_TYPE_VOID:
2652 g_assert_not_reached ();
2655 case MONO_TYPE_STRING:
2656 case MONO_TYPE_CLASS:
2657 case MONO_TYPE_OBJECT:
2658 case MONO_TYPE_ARRAY:
2659 case MONO_TYPE_SZARRAY:
2663 case MONO_TYPE_BOOLEAN:
2666 case MONO_TYPE_CHAR:
2676 mono_mb_emit_byte (mb, CEE_UNBOX);
2677 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2678 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2680 case MONO_TYPE_GENERICINST:
2681 if (!mono_type_generic_inst_is_valuetype (return_type))
2684 case MONO_TYPE_VALUETYPE: {
2686 mono_mb_emit_byte (mb, CEE_UNBOX);
2687 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2688 mono_mb_emit_i4 (mb, class);
2689 mono_mb_emit_byte (mb, CEE_LDOBJ);
2690 mono_mb_emit_i4 (mb, class);
2694 g_warning ("type 0x%x not handled", return_type->type);
2695 g_assert_not_reached ();
2698 mono_mb_emit_byte (mb, CEE_RET);
2702 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2704 MonoMethodSignature *sig;
2705 MonoMethodBuilder *mb;
2711 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2712 !strcmp (method->name, "EndInvoke"));
2714 sig = signature_no_pinvoke (method);
2716 cache = method->klass->image->delegate_end_invoke_cache;
2717 if ((res = mono_marshal_find_in_cache (cache, sig)))
2720 g_assert (sig->hasthis);
2722 name = mono_signature_to_name (sig, "end_invoke");
2723 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2726 mb->method->save_lmf = 1;
2728 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2730 mono_mb_emit_ldarg (mb, 0);
2731 mono_mb_emit_ldloc (mb, params_var);
2732 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2733 emit_thread_interrupt_checkpoint (mb);
2735 if (sig->ret->type == MONO_TYPE_VOID) {
2736 mono_mb_emit_byte (mb, CEE_POP);
2737 mono_mb_emit_byte (mb, CEE_RET);
2739 mono_mb_emit_restore_result (mb, sig->ret);
2741 res = mono_mb_create_and_cache (cache, sig,
2742 mb, sig, sig->param_count + 16);
2749 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2751 MonoMethodMessage *msg;
2752 MonoTransparentProxy *this;
2753 MonoObject *res, *exc;
2754 MonoArray *out_args;
2756 this = *((MonoTransparentProxy **)params [0]);
2759 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2761 /* skip the this pointer */
2764 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2767 MonoMethodSignature *sig = mono_method_signature (method);
2768 int count = sig->param_count;
2769 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2771 for (i=0; i<count; i++) {
2772 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2773 if (class->valuetype) {
2774 if (sig->params [i]->byref)
2775 mparams[i] = *((gpointer *)params [i]);
2777 mparams[i] = params [i];
2779 mparams[i] = *((gpointer**)params [i]);
2783 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2786 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2788 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2791 mono_raise_exception ((MonoException *)exc);
2793 mono_method_return_message_restore (method, params, out_args);
2799 * cominterop_get_native_wrapper_adjusted:
2800 * @method: managed COM Interop method
2802 * Returns: the generated method to call with signature matching
2803 * the unmanaged COM Method signature
2806 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
2809 MonoMethodBuilder *mb_native;
2810 MonoMarshalSpec **mspecs;
2811 MonoMethodSignature *sig, *sig_native;
2812 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
2815 sig = mono_method_signature (method);
2817 // create unmanaged wrapper
2818 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2819 sig_native = signature_cominterop (method->klass->image, sig);
2821 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
2822 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
2824 mono_method_get_marshal_info (method, mspecs);
2826 // move managed args up one
2827 for (i = sig->param_count; i >= 1; i--)
2828 mspecs[i+1] = mspecs[i];
2830 // first arg is IntPtr for interface
2833 // move return spec to last param
2834 if (!MONO_TYPE_IS_VOID (sig->ret))
2835 mspecs[sig_native->param_count] = mspecs[0];
2839 mono_marshal_emit_native_wrapper(mb_native, sig_native, piinfo, mspecs, piinfo->addr);
2841 mono_loader_lock ();
2842 mono_marshal_lock ();
2843 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
2844 mono_marshal_unlock ();
2845 mono_loader_unlock ();
2847 mono_mb_free (mb_native);
2849 for (i = sig_native->param_count; i >= 0; i--)
2851 mono_metadata_free_marshal_spec (mspecs [i]);
2858 * cominterop_get_native_wrapper:
2859 * @method: managed method
2861 * Returns: the generated method to call
2864 cominterop_get_native_wrapper (MonoMethod *method)
2870 cache = method->klass->image->cominterop_wrapper_cache;
2871 if ((res = mono_marshal_find_in_cache (cache, method)))
2874 /* if method klass is import, that means method
2875 * is really a com call. let interop system emit it.
2877 if (MONO_CLASS_IS_IMPORT(method->klass)) {
2878 MonoMethodBuilder *mb;
2879 MonoMethodSignature *sig, *csig;
2881 sig = mono_method_signature (method);
2882 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
2884 /* FIXME: we have to call actual class .ctor
2885 * instead of just __ComObject .ctor.
2887 if (!strcmp(method->name, ".ctor")) {
2888 static MonoMethod *ctor = NULL;
2891 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
2892 mono_mb_emit_ldarg (mb, 0);
2893 mono_mb_emit_managed_call (mb, ctor, NULL);
2894 mono_mb_emit_byte (mb, CEE_RET);
2897 static MonoMethod * ThrowExceptionForHR = NULL;
2898 static MonoMethod * GetInterface = NULL;
2899 MonoMethod *adjusted_method;
2905 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2907 // add local variables
2908 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2909 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2910 if (!MONO_TYPE_IS_VOID (sig->ret))
2911 retval = mono_mb_add_local (mb, sig->ret);
2913 // get the type for the interface the method is defined on
2914 // and then get the underlying COM interface for that type
2915 mono_mb_emit_ldarg (mb, 0);
2916 mono_mb_emit_ptr (mb, method);
2917 mono_mb_emit_icall (mb, cominterop_get_method_interface);
2918 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2919 mono_mb_emit_stloc (mb, ptr_this);
2921 // arg 1 is unmanaged this pointer
2922 mono_mb_emit_ldloc (mb, ptr_this);
2925 for (i = 1; i <= sig->param_count; i++)
2926 mono_mb_emit_ldarg (mb, i);
2928 // push managed return value as byref last argument
2929 if (!MONO_TYPE_IS_VOID (sig->ret))
2930 mono_mb_emit_ldloc_addr (mb, retval);
2932 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
2933 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
2935 // store HRESULT to check
2936 mono_mb_emit_stloc (mb, hr);
2938 if (!ThrowExceptionForHR)
2939 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
2940 mono_mb_emit_ldloc (mb, hr);
2941 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
2943 // load return value managed is expecting
2944 if (!MONO_TYPE_IS_VOID (sig->ret))
2945 mono_mb_emit_ldloc (mb, retval);
2947 mono_mb_emit_byte (mb, CEE_RET);
2950 csig = signature_dup (method->klass->image, sig);
2952 res = mono_mb_create_and_cache (cache, method,
2953 mb, csig, csig->param_count + 16);
2957 /* Does this case ever get hit? */
2965 * cominterop_get_invoke:
2966 * @method: managed method
2968 * Returns: the generated method that calls the underlying __ComObject
2969 * rather than the proxy object.
2972 cominterop_get_invoke (MonoMethod *method)
2974 MonoMethodSignature *sig;
2975 MonoMethodBuilder *mb;
2978 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
2982 if ((res = mono_marshal_find_in_cache (cache, method)))
2985 sig = signature_no_pinvoke (method);
2987 /* we cant remote methods without this pointer */
2991 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
2993 /* get real proxy object, which is a ComInteropProxy in this case*/
2994 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2995 mono_mb_emit_ldarg (mb, 0);
2996 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2997 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2999 /* load the RCW from the ComInteropProxy*/
3000 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3001 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3003 /* load args and make the call on the RCW */
3004 for (i = 1; i <= sig->param_count; i++)
3005 mono_mb_emit_ldarg (mb, i);
3007 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3008 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3009 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3012 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3013 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3015 mono_mb_emit_byte (mb, CEE_CALL);
3016 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
3019 emit_thread_interrupt_checkpoint (mb);
3021 mono_mb_emit_byte (mb, CEE_RET);
3023 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3030 mono_marshal_get_remoting_invoke (MonoMethod *method)
3032 MonoMethodSignature *sig;
3033 MonoMethodBuilder *mb;
3039 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3042 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3043 if ((MONO_CLASS_IS_IMPORT(method->klass) || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3044 return cominterop_get_invoke(method);
3046 sig = signature_no_pinvoke (method);
3048 /* we cant remote methods without this pointer */
3052 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3055 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3056 mb->method->save_lmf = 1;
3058 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3060 mono_mb_emit_ptr (mb, method);
3061 mono_mb_emit_ldloc (mb, params_var);
3062 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3063 emit_thread_interrupt_checkpoint (mb);
3065 if (sig->ret->type == MONO_TYPE_VOID) {
3066 mono_mb_emit_byte (mb, CEE_POP);
3067 mono_mb_emit_byte (mb, CEE_RET);
3069 mono_mb_emit_restore_result (mb, sig->ret);
3072 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3078 /* mono_get_xdomain_marshal_type()
3079 * Returns the kind of marshalling that a type needs for cross domain calls.
3081 static MonoXDomainMarshalType
3082 mono_get_xdomain_marshal_type (MonoType *t)
3085 case MONO_TYPE_VOID:
3086 g_assert_not_reached ();
3090 case MONO_TYPE_BOOLEAN:
3093 case MONO_TYPE_CHAR:
3100 return MONO_MARSHAL_NONE;
3101 case MONO_TYPE_STRING:
3102 return MONO_MARSHAL_COPY;
3103 case MONO_TYPE_ARRAY:
3104 case MONO_TYPE_SZARRAY: {
3105 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3106 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3107 return MONO_MARSHAL_COPY;
3112 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
3113 return MONO_MARSHAL_COPY;
3115 return MONO_MARSHAL_SERIALIZE;
3119 /* mono_marshal_xdomain_copy_value
3120 * Makes a copy of "val" suitable for the current domain.
3123 mono_marshal_xdomain_copy_value (MonoObject *val)
3126 if (val == NULL) return NULL;
3128 domain = mono_domain_get ();
3130 switch (mono_object_class (val)->byval_arg.type) {
3131 case MONO_TYPE_VOID:
3132 g_assert_not_reached ();
3136 case MONO_TYPE_BOOLEAN:
3139 case MONO_TYPE_CHAR:
3145 case MONO_TYPE_R8: {
3146 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3148 case MONO_TYPE_STRING: {
3149 MonoString *str = (MonoString *) val;
3150 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3152 case MONO_TYPE_ARRAY:
3153 case MONO_TYPE_SZARRAY: {
3155 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3156 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3157 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3158 if (mt == MONO_MARSHAL_COPY) {
3159 int i, len = mono_array_length (acopy);
3160 for (i = 0; i < len; i++) {
3161 MonoObject *item = mono_array_get (acopy, gpointer, i);
3162 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3165 return (MonoObject *) acopy;
3169 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3170 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3171 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3172 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3173 newsb->length = oldsb->length;
3174 newsb->max_capacity = (gint32)0x7fffffff;
3175 return (MonoObject *) newsb;
3180 /* mono_marshal_xdomain_copy_out_value()
3181 * Copies the contents of the src instance into the dst instance. src and dst
3182 * must have the same type, and if they are arrays, the same size.
3185 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3187 if (src == NULL || dst == NULL) return;
3189 g_assert (mono_object_class (src) == mono_object_class (dst));
3191 switch (mono_object_class (src)->byval_arg.type) {
3192 case MONO_TYPE_ARRAY:
3193 case MONO_TYPE_SZARRAY: {
3194 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3195 if (mt == MONO_MARSHAL_SERIALIZE) return;
3196 if (mt == MONO_MARSHAL_COPY) {
3197 int i, len = mono_array_length ((MonoArray *)dst);
3198 for (i = 0; i < len; i++) {
3199 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3200 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3203 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3209 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3210 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3211 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3213 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)));
3214 dst_sb->cached_str = NULL;
3215 dst_sb->length = src_sb->length;
3220 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3222 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3223 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3224 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3228 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3230 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3233 /* mono_marshal_supports_fast_xdomain()
3234 * Returns TRUE if the method can use the fast xdomain wrapper.
3237 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3239 return !method->klass->contextbound &&
3240 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3244 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3246 MonoDomain *current_domain = mono_domain_get ();
3247 MonoDomain *domain = mono_domain_get_by_id (id);
3249 if (!domain || !mono_domain_set (domain, FALSE))
3250 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3253 mono_thread_push_appdomain_ref (domain);
3255 mono_thread_pop_appdomain_ref ();
3257 return current_domain->domain_id;
3261 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3263 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3266 /* mono_marshal_emit_load_domain_method ()
3267 * Loads into the stack a pointer to the code of the provided method for
3268 * the current domain.
3271 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3273 /* We need a pointer to the method for the running domain (not the domain
3274 * that compiles the method).
3276 mono_mb_emit_ptr (mb, method);
3277 mono_mb_emit_icall (mb, mono_compile_method);
3280 /* mono_marshal_get_xappdomain_dispatch ()
3281 * Generates a method that dispatches a method call from another domain into
3282 * the current domain.
3285 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3287 MonoMethodSignature *sig, *csig;
3288 MonoMethodBuilder *mb;
3290 int i, j, param_index, copy_locals_base;
3291 MonoClass *ret_class = NULL;
3292 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3293 MonoExceptionClause *main_clause;
3294 MonoMethodHeader *header;
3296 gboolean copy_return;
3298 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3301 sig = mono_method_signature (method);
3302 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3305 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3306 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3307 csig->params [j++] = &byte_array_class->this_arg;
3308 csig->params [j++] = &byte_array_class->this_arg;
3309 for (i = 0; i < sig->param_count; i++) {
3310 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3311 csig->params [j++] = sig->params [i];
3314 csig->ret = sig->ret;
3316 csig->ret = &mono_defaults.void_class->byval_arg;
3318 csig->hasthis = FALSE;
3320 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3321 mb->method->save_lmf = 1;
3325 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3326 if (complex_count > 0)
3327 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3328 if (sig->ret->type != MONO_TYPE_VOID) {
3329 loc_return = mono_mb_add_local (mb, sig->ret);
3330 ret_class = mono_class_from_mono_type (sig->ret);
3335 main_clause = g_new0 (MonoExceptionClause, 1);
3336 main_clause->try_offset = mb->pos;
3338 /* Clean the call context */
3340 mono_mb_emit_byte (mb, CEE_LDNULL);
3341 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3342 mono_mb_emit_byte (mb, CEE_POP);
3344 /* Deserialize call data */
3346 mono_mb_emit_ldarg (mb, 1);
3347 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3348 mono_mb_emit_byte (mb, CEE_DUP);
3349 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3351 mono_mb_emit_byte (mb, 0);
3353 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3354 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3356 if (complex_count > 0)
3357 mono_mb_emit_stloc (mb, loc_array);
3359 mono_mb_emit_byte (mb, CEE_POP);
3361 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3363 /* Get the target object */
3365 mono_mb_emit_ldarg (mb, 0);
3366 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3368 /* Load the arguments */
3370 copy_locals_base = mb->locals;
3371 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3373 for (i = 0; i < sig->param_count; i++) {
3374 MonoType *pt = sig->params [i];
3375 MonoClass *pclass = mono_class_from_mono_type (pt);
3376 switch (marshal_types [i]) {
3377 case MONO_MARSHAL_SERIALIZE: {
3378 /* take the value from the serialized array */
3379 mono_mb_emit_ldloc (mb, loc_array);
3380 mono_mb_emit_icon (mb, j++);
3382 if (pclass->valuetype) {
3383 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3384 mono_mb_emit_byte (mb, CEE_UNBOX);
3385 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3387 mono_mb_emit_byte (mb, CEE_LDELEMA);
3388 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3391 if (pclass->valuetype) {
3392 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3393 mono_mb_emit_byte (mb, CEE_UNBOX);
3394 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3395 mono_mb_emit_byte (mb, CEE_LDOBJ);
3396 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3398 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3399 if (pclass != mono_defaults.object_class) {
3400 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3401 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3407 case MONO_MARSHAL_COPY_OUT: {
3408 /* Keep a local copy of the value since we need to copy it back after the call */
3409 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3410 mono_mb_emit_ldarg (mb, param_index++);
3411 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3412 mono_mb_emit_byte (mb, CEE_DUP);
3413 mono_mb_emit_stloc (mb, copy_local);
3416 case MONO_MARSHAL_COPY: {
3417 mono_mb_emit_ldarg (mb, param_index);
3419 mono_mb_emit_byte (mb, CEE_DUP);
3420 mono_mb_emit_byte (mb, CEE_DUP);
3421 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3422 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3423 mono_mb_emit_byte (mb, CEE_STIND_REF);
3425 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3430 case MONO_MARSHAL_NONE:
3431 mono_mb_emit_ldarg (mb, param_index++);
3436 /* Make the call to the real object */
3438 emit_thread_force_interrupt_checkpoint (mb);
3440 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3441 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
3443 if (sig->ret->type != MONO_TYPE_VOID)
3444 mono_mb_emit_stloc (mb, loc_return);
3446 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3450 for (i = 0; i < sig->param_count; i++) {
3451 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3452 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3453 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3454 mono_mb_emit_ldarg (mb, param_index);
3455 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3460 /* Serialize the return values */
3462 if (complex_out_count > 0) {
3463 /* Reset parameters in the array that don't need to be serialized back */
3465 for (i = 0; i < sig->param_count; i++) {
3466 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3467 if (!sig->params [i]->byref) {
3468 mono_mb_emit_ldloc (mb, loc_array);
3469 mono_mb_emit_icon (mb, j);
3470 mono_mb_emit_byte (mb, CEE_LDNULL);
3471 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3476 /* Add the return value to the array */
3478 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3479 mono_mb_emit_ldloc (mb, loc_array);
3480 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3481 mono_mb_emit_ldloc (mb, loc_return);
3482 if (ret_class->valuetype) {
3483 mono_mb_emit_byte (mb, CEE_BOX);
3484 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3486 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3491 mono_mb_emit_ldarg (mb, 1);
3492 mono_mb_emit_ldloc (mb, loc_array);
3493 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3494 mono_mb_emit_byte (mb, CEE_STIND_REF);
3495 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3496 mono_mb_emit_ldarg (mb, 1);
3497 mono_mb_emit_ldloc (mb, loc_return);
3498 if (ret_class->valuetype) {
3499 mono_mb_emit_byte (mb, CEE_BOX);
3500 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3502 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3503 mono_mb_emit_byte (mb, CEE_STIND_REF);
3505 mono_mb_emit_ldarg (mb, 1);
3506 mono_mb_emit_byte (mb, CEE_LDNULL);
3507 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3508 mono_mb_emit_byte (mb, CEE_STIND_REF);
3511 mono_mb_emit_ldarg (mb, 2);
3512 mono_mb_emit_byte (mb, CEE_LDNULL);
3513 mono_mb_emit_byte (mb, CEE_STIND_REF);
3514 mono_mb_emit_byte (mb, CEE_LEAVE);
3515 pos_leave = mb->pos;
3516 mono_mb_emit_i4 (mb, 0);
3518 /* Main exception catch */
3519 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3520 main_clause->try_len = mb->pos - main_clause->try_offset;
3521 main_clause->data.catch_class = mono_defaults.object_class;
3524 main_clause->handler_offset = mb->pos;
3525 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3526 mono_mb_emit_stloc (mb, loc_serialized_exc);
3527 mono_mb_emit_ldarg (mb, 2);
3528 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3529 mono_mb_emit_byte (mb, CEE_STIND_REF);
3530 mono_mb_emit_byte (mb, CEE_LEAVE);
3531 mono_mb_emit_i4 (mb, 0);
3532 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3535 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3538 mono_mb_emit_ldloc (mb, loc_return);
3540 mono_mb_emit_byte (mb, CEE_RET);
3542 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3545 header = ((MonoMethodNormal *)res)->header;
3546 header->num_clauses = 1;
3547 header->clauses = main_clause;
3552 /* mono_marshal_get_xappdomain_invoke ()
3553 * Generates a fast remoting wrapper for cross app domain calls.
3556 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3558 MonoMethodSignature *sig;
3559 MonoMethodBuilder *mb;
3561 int i, j, complex_count, complex_out_count, copy_locals_base;
3563 MonoClass *ret_class = NULL;
3564 MonoMethod *xdomain_method;
3565 int ret_marshal_type = MONO_MARSHAL_NONE;
3566 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3567 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3569 gboolean copy_return = FALSE;
3573 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3576 /* we cant remote methods without this pointer */
3577 if (!mono_method_signature (method)->hasthis)
3580 if (!mono_marshal_supports_fast_xdomain (method))
3581 return mono_marshal_get_remoting_invoke (method);
3583 mono_remoting_marshal_init ();
3585 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3588 sig = signature_no_pinvoke (method);
3590 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3591 mb->method->save_lmf = 1;
3593 /* Count the number of parameters that need to be serialized */
3595 marshal_types = alloca (sizeof (int) * sig->param_count);
3596 complex_count = complex_out_count = 0;
3597 for (i = 0; i < sig->param_count; i++) {
3598 MonoType *ptype = sig->params[i];
3599 int mt = mono_get_xdomain_marshal_type (ptype);
3601 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3602 * the copy will be made by reusing the original object instance
3604 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3605 mt = MONO_MARSHAL_COPY_OUT;
3606 else if (mt == MONO_MARSHAL_SERIALIZE) {
3608 if (ptype->byref) complex_out_count++;
3610 marshal_types [i] = mt;
3613 if (sig->ret->type != MONO_TYPE_VOID) {
3614 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3615 ret_class = mono_class_from_mono_type (sig->ret);
3616 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3621 if (complex_count > 0)
3622 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3623 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3624 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3626 loc_return = mono_mb_add_local (mb, sig->ret);
3627 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3628 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3629 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3631 /* Save thread domain data */
3633 mono_mb_emit_icall (mb, mono_context_get);
3634 mono_mb_emit_byte (mb, CEE_DUP);
3635 mono_mb_emit_stloc (mb, loc_context);
3637 /* If the thread is not running in the default context, it needs to go
3638 * through the whole remoting sink, since the context is going to change
3640 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3641 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3643 mono_mb_emit_byte (mb, 0);
3645 mono_mb_emit_ldarg (mb, 0);
3646 for (i = 0; i < sig->param_count; i++)
3647 mono_mb_emit_ldarg (mb, i + 1);
3649 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3650 mono_mb_emit_byte (mb, CEE_RET);
3651 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
3653 /* Create the array that will hold the parameters to be serialized */
3655 if (complex_count > 0) {
3656 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 */
3657 mono_mb_emit_byte (mb, CEE_NEWARR);
3658 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
3661 for (i = 0; i < sig->param_count; i++) {
3663 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3664 pclass = mono_class_from_mono_type (sig->params[i]);
3665 mono_mb_emit_byte (mb, CEE_DUP);
3666 mono_mb_emit_icon (mb, j);
3667 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3668 if (sig->params[i]->byref) {
3669 if (pclass->valuetype) {
3670 mono_mb_emit_byte (mb, CEE_LDOBJ);
3671 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3673 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3676 if (pclass->valuetype) {
3677 mono_mb_emit_byte (mb, CEE_BOX);
3678 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3680 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3683 mono_mb_emit_stloc (mb, loc_array);
3685 /* Serialize parameters */
3687 mono_mb_emit_ldloc (mb, loc_array);
3688 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3689 mono_mb_emit_stloc (mb, loc_serialized_data);
3691 mono_mb_emit_byte (mb, CEE_LDNULL);
3692 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3693 mono_mb_emit_stloc (mb, loc_serialized_data);
3696 /* Get the target domain id */
3698 mono_mb_emit_ldarg (mb, 0);
3699 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3700 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3701 mono_mb_emit_byte (mb, CEE_DUP);
3702 mono_mb_emit_stloc (mb, loc_real_proxy);
3704 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3705 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3706 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3710 mono_marshal_emit_switch_domain (mb);
3711 mono_mb_emit_stloc (mb, loc_old_domainid);
3713 /* Load the arguments */
3715 mono_mb_emit_ldloc (mb, loc_real_proxy);
3716 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3717 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3719 copy_locals_base = mb->locals;
3720 for (i = 0; i < sig->param_count; i++) {
3721 switch (marshal_types [i]) {
3722 case MONO_MARSHAL_SERIALIZE:
3724 case MONO_MARSHAL_COPY: {
3725 mono_mb_emit_ldarg (mb, i+1);
3726 if (sig->params [i]->byref) {
3727 /* make a local copy of the byref parameter. The real parameter
3728 * will be updated after the xdomain call
3730 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3731 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3732 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3733 mono_mb_emit_stloc (mb, copy_local);
3734 mono_mb_emit_ldloc_addr (mb, copy_local);
3738 case MONO_MARSHAL_COPY_OUT:
3739 case MONO_MARSHAL_NONE:
3740 mono_mb_emit_ldarg (mb, i+1);
3745 /* Make the call to the invoke wrapper in the target domain */
3747 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3748 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3749 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3752 mono_mb_emit_stloc (mb, loc_return);
3756 mono_mb_emit_ldloc (mb, loc_old_domainid);
3757 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3758 mono_marshal_emit_switch_domain (mb);
3759 mono_mb_emit_byte (mb, CEE_POP);
3761 /* Restore thread domain data */
3763 mono_mb_emit_ldloc (mb, loc_context);
3764 mono_mb_emit_icall (mb, mono_context_set);
3766 /* if (loc_serialized_exc != null) ... */
3768 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3769 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3771 mono_mb_emit_byte (mb, 0);
3773 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3774 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3775 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3776 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3777 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
3778 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3779 mono_mb_emit_byte (mb, CEE_THROW);
3780 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
3782 /* copy back non-serialized output parameters */
3785 for (i = 0; i < sig->param_count; i++) {
3786 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3787 mono_mb_emit_ldarg (mb, i + 1);
3788 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3789 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3790 mono_mb_emit_byte (mb, CEE_STIND_REF);
3793 /* Deserialize out parameters */
3795 if (complex_out_count > 0) {
3796 mono_mb_emit_ldloc (mb, loc_serialized_data);
3797 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3798 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3799 mono_mb_emit_stloc (mb, loc_array);
3801 /* Copy back output parameters and return type */
3804 for (i = 0; i < sig->param_count; i++) {
3805 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3806 if (sig->params[i]->byref) {
3807 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3808 mono_mb_emit_ldarg (mb, i + 1);
3809 mono_mb_emit_ldloc (mb, loc_array);
3810 mono_mb_emit_icon (mb, j);
3811 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3812 if (pclass->valuetype) {
3813 mono_mb_emit_byte (mb, CEE_UNBOX);
3814 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3815 mono_mb_emit_byte (mb, CEE_LDOBJ);
3816 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3817 mono_mb_emit_byte (mb, CEE_STOBJ);
3818 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3820 if (pclass != mono_defaults.object_class) {
3821 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3822 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3824 mono_mb_emit_byte (mb, CEE_STIND_REF);
3830 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3831 mono_mb_emit_ldloc (mb, loc_array);
3832 mono_mb_emit_icon (mb, complex_count);
3833 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3834 if (ret_class->valuetype) {
3835 mono_mb_emit_byte (mb, CEE_UNBOX);
3836 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3837 mono_mb_emit_byte (mb, CEE_LDOBJ);
3838 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3841 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3842 mono_mb_emit_ldloc (mb, loc_serialized_data);
3843 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3844 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3845 if (ret_class->valuetype) {
3846 mono_mb_emit_byte (mb, CEE_UNBOX);
3847 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3848 mono_mb_emit_byte (mb, CEE_LDOBJ);
3849 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3850 } else if (ret_class != mono_defaults.object_class) {
3851 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3852 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3855 mono_mb_emit_ldloc (mb, loc_serialized_data);
3856 mono_mb_emit_byte (mb, CEE_DUP);
3857 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3859 mono_mb_emit_byte (mb, 0);
3860 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3862 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3863 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3864 mono_mb_emit_byte (mb, CEE_POP);
3868 mono_mb_emit_ldloc (mb, loc_return);
3869 if (ret_marshal_type == MONO_MARSHAL_COPY)
3870 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3873 mono_mb_emit_byte (mb, CEE_RET);
3875 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3882 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3884 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3885 return mono_marshal_get_xappdomain_invoke (method);
3886 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
3887 return cominterop_get_invoke (method);
3889 return mono_marshal_get_remoting_invoke (method);
3892 G_GNUC_UNUSED static gpointer
3893 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3895 if (rp->target_domain_id != -1)
3896 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3898 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3902 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3904 MonoMethodSignature *sig;
3905 MonoMethodBuilder *mb;
3906 MonoMethod *res, *native;
3907 int i, pos, pos_rem;
3911 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3914 sig = signature_no_pinvoke (method);
3916 /* we cant remote methods without this pointer */
3917 g_assert (sig->hasthis);
3919 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3922 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3924 for (i = 0; i <= sig->param_count; i++)
3925 mono_mb_emit_ldarg (mb, i);
3927 mono_mb_emit_ldarg (mb, 0);
3928 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3930 if (mono_marshal_supports_fast_xdomain (method)) {
3931 mono_mb_emit_ldarg (mb, 0);
3932 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3934 /* wrapper for cross app domain calls */
3935 native = mono_marshal_get_xappdomain_invoke (method);
3936 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3937 mono_mb_emit_byte (mb, CEE_RET);
3939 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3941 /* wrapper for normal remote calls */
3942 native = mono_marshal_get_remoting_invoke (method);
3943 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3944 mono_mb_emit_byte (mb, CEE_RET);
3947 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3948 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3949 mono_mb_emit_byte (mb, CEE_RET);
3951 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3958 * the returned method invokes all methods in a multicast delegate
3961 mono_marshal_get_delegate_invoke (MonoMethod *method)
3963 MonoMethodSignature *sig, *static_sig;
3965 MonoMethodBuilder *mb;
3971 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3972 !strcmp (method->name, "Invoke"));
3974 sig = signature_no_pinvoke (method);
3976 cache = method->klass->image->delegate_invoke_cache;
3977 if ((res = mono_marshal_find_in_cache (cache, sig)))
3980 static_sig = signature_dup (method->klass->image, sig);
3981 static_sig->hasthis = 0;
3983 name = mono_signature_to_name (sig, "invoke");
3984 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3987 /* allocate local 0 (object) */
3988 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3990 g_assert (sig->hasthis);
3994 * prev.Invoke( args .. );
3995 * return this.<target>( args .. );
3998 /* this wrapper can be used in unmanaged-managed transitions */
3999 emit_thread_interrupt_checkpoint (mb);
4001 /* get this->prev */
4002 mono_mb_emit_ldarg (mb, 0);
4003 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4004 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4005 mono_mb_emit_stloc (mb, 0);
4007 /* if prev != null */
4008 mono_mb_emit_ldloc (mb, 0);
4009 mono_mb_emit_byte (mb, CEE_BRFALSE);
4012 mono_mb_emit_i4 (mb, 0);
4015 mono_mb_emit_ldloc (mb, 0);
4016 for (i = 0; i < sig->param_count; i++)
4017 mono_mb_emit_ldarg (mb, i + 1);
4018 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4019 if (sig->ret->type != MONO_TYPE_VOID)
4020 mono_mb_emit_byte (mb, CEE_POP);
4022 /* continued or prev == null */
4023 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4025 /* get this->target */
4026 mono_mb_emit_ldarg (mb, 0);
4027 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4028 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4029 mono_mb_emit_stloc (mb, 0);
4031 /* if target != null */
4032 mono_mb_emit_ldloc (mb, 0);
4033 mono_mb_emit_byte (mb, CEE_BRFALSE);
4035 mono_mb_emit_i4 (mb, 0);
4037 /* then call this->method_ptr nonstatic */
4038 mono_mb_emit_ldloc (mb, 0);
4039 for (i = 0; i < sig->param_count; ++i)
4040 mono_mb_emit_ldarg (mb, i + 1);
4041 mono_mb_emit_ldarg (mb, 0);
4042 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4043 mono_mb_emit_byte (mb, CEE_LDIND_I );
4044 mono_mb_emit_byte (mb, CEE_CALLI);
4045 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
4047 mono_mb_emit_byte (mb, CEE_BR);
4049 mono_mb_emit_i4 (mb, 0);
4051 /* else [target == null] call this->method_ptr static */
4052 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4054 for (i = 0; i < sig->param_count; ++i)
4055 mono_mb_emit_ldarg (mb, i + 1);
4056 mono_mb_emit_ldarg (mb, 0);
4057 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4058 mono_mb_emit_byte (mb, CEE_LDIND_I );
4059 mono_mb_emit_byte (mb, CEE_CALLI);
4060 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
4063 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4064 mono_mb_emit_byte (mb, CEE_RET);
4066 res = mono_mb_create_and_cache (cache, sig,
4067 mb, sig, sig->param_count + 16);
4074 * signature_dup_add_this:
4076 * Make a copy of @sig, adding an explicit this argument.
4078 static MonoMethodSignature*
4079 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4081 MonoMethodSignature *res;
4084 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4085 memcpy (res, sig, sizeof (MonoMethodSignature));
4086 res->param_count = sig->param_count + 1;
4087 res->hasthis = FALSE;
4088 for (i = sig->param_count - 1; i >= 0; i --)
4089 res->params [i + 1] = sig->params [i];
4090 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4097 MonoMethodSignature *sig;
4103 * generates IL code for the runtime invoke function
4104 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4106 * we also catch exceptions if exc != null
4109 mono_marshal_get_runtime_invoke (MonoMethod *method)
4111 MonoMethodSignature *sig, *csig, *callsig;
4112 MonoExceptionClause *clause;
4113 MonoMethodHeader *header;
4114 MonoMethodBuilder *mb;
4115 GHashTable *cache = NULL;
4116 MonoClass *target_klass;
4117 MonoMethod *res = NULL;
4119 static MonoString *string_dummy = NULL;
4120 static MonoMethodSignature *dealy_abort_sig = NULL;
4126 target_klass = method->klass;
4128 mono_marshal_lock ();
4130 if (method->string_ctor) {
4131 static GSList *strsig_list = NULL;
4135 for (item = strsig_list; item; item = item->next) {
4137 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
4143 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4144 callsig->ret = &mono_defaults.string_class->byval_arg;
4145 cs = g_new (CtorSigPair, 1);
4148 strsig_list = g_slist_prepend (strsig_list, cs);
4151 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4153 * Valuetype methods receive a managed pointer as the this argument.
4154 * Create a new signature to reflect this.
4156 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4158 callsig = mono_method_signature (method);
4162 cache = method->klass->image->runtime_invoke_cache;
4164 /* from mono_marshal_find_in_cache */
4165 res = g_hash_table_lookup (cache, callsig);
4166 mono_marshal_unlock ();
4172 if (!dealy_abort_sig) {
4173 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4174 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4175 dealy_abort_sig->pinvoke = 0;
4178 target_klass = mono_defaults.object_class;
4180 /* to make it work with our special string constructors */
4181 if (!string_dummy) {
4182 MONO_GC_REGISTER_ROOT (string_dummy);
4183 string_dummy = mono_string_new_wrapper ("dummy");
4186 sig = mono_method_signature (method);
4188 csig = mono_metadata_signature_alloc (method->klass->image, 4);
4190 csig->ret = &mono_defaults.object_class->byval_arg;
4191 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4192 csig->params [0] = callsig->params [0];
4194 csig->params [0] = &mono_defaults.object_class->byval_arg;
4195 csig->params [1] = &mono_defaults.int_class->byval_arg;
4196 csig->params [2] = &mono_defaults.int_class->byval_arg;
4197 csig->params [3] = &mono_defaults.int_class->byval_arg;
4199 name = mono_signature_to_name (callsig, "runtime_invoke");
4200 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4203 /* allocate local 0 (object) tmp */
4204 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4205 /* allocate local 1 (object) exc */
4206 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4208 /* cond set *exc to null */
4209 mono_mb_emit_byte (mb, CEE_LDARG_2);
4210 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4211 mono_mb_emit_byte (mb, 3);
4212 mono_mb_emit_byte (mb, CEE_LDARG_2);
4213 mono_mb_emit_byte (mb, CEE_LDNULL);
4214 mono_mb_emit_byte (mb, CEE_STIND_REF);
4216 emit_thread_force_interrupt_checkpoint (mb);
4219 if (method->string_ctor) {
4220 mono_mb_emit_ptr (mb, string_dummy);
4222 mono_mb_emit_ldarg (mb, 0);
4226 for (i = 0; i < sig->param_count; i++) {
4227 MonoType *t = sig->params [i];
4230 mono_mb_emit_ldarg (mb, 1);
4232 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4233 mono_mb_emit_byte (mb, CEE_ADD);
4235 mono_mb_emit_byte (mb, CEE_LDIND_I);
4240 type = sig->params [i]->type;
4244 case MONO_TYPE_BOOLEAN:
4248 case MONO_TYPE_CHAR:
4257 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4259 case MONO_TYPE_STRING:
4260 case MONO_TYPE_CLASS:
4261 case MONO_TYPE_ARRAY:
4263 case MONO_TYPE_SZARRAY:
4264 case MONO_TYPE_OBJECT:
4267 case MONO_TYPE_GENERICINST:
4268 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4274 case MONO_TYPE_VALUETYPE:
4275 if (t->data.klass->enumtype) {
4276 type = t->data.klass->enum_basetype->type;
4279 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4280 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4281 mono_mb_emit_byte (mb, CEE_UNBOX);
4282 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
4283 mono_mb_emit_byte (mb, CEE_LDOBJ);
4284 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
4286 mono_mb_emit_byte (mb, CEE_LDOBJ);
4287 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
4291 g_assert_not_reached ();
4295 mono_mb_emit_ldarg (mb, 3);
4296 mono_mb_emit_calli (mb, callsig);
4298 if (sig->ret->byref) {
4300 g_assert_not_reached ();
4304 switch (sig->ret->type) {
4305 case MONO_TYPE_VOID:
4306 if (!method->string_ctor)
4307 mono_mb_emit_byte (mb, CEE_LDNULL);
4309 case MONO_TYPE_BOOLEAN:
4310 case MONO_TYPE_CHAR:
4323 case MONO_TYPE_VALUETYPE:
4324 case MONO_TYPE_TYPEDBYREF:
4325 case MONO_TYPE_GENERICINST:
4326 /* box value types */
4327 mono_mb_emit_byte (mb, CEE_BOX);
4328 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
4330 case MONO_TYPE_STRING:
4331 case MONO_TYPE_CLASS:
4332 case MONO_TYPE_ARRAY:
4333 case MONO_TYPE_SZARRAY:
4334 case MONO_TYPE_OBJECT:
4339 g_assert_not_reached ();
4342 mono_mb_emit_stloc (mb, 0);
4344 mono_mb_emit_byte (mb, CEE_LEAVE);
4346 mono_mb_emit_i4 (mb, 0);
4348 mono_loader_lock ();
4349 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4350 mono_loader_unlock ();
4351 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4352 clause->try_len = mb->pos;
4355 clause->data.filter_offset = mb->pos;
4357 mono_mb_emit_byte (mb, CEE_POP);
4358 mono_mb_emit_byte (mb, CEE_LDARG_2);
4359 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4360 mono_mb_emit_byte (mb, CEE_PREFIX1);
4361 mono_mb_emit_byte (mb, CEE_CGT_UN);
4362 mono_mb_emit_byte (mb, CEE_PREFIX1);
4363 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4365 clause->handler_offset = mb->pos;
4368 /* store exception */
4369 mono_mb_emit_stloc (mb, 1);
4371 mono_mb_emit_byte (mb, CEE_LDARG_2);
4372 mono_mb_emit_ldloc (mb, 1);
4373 mono_mb_emit_byte (mb, CEE_STIND_REF);
4375 mono_mb_emit_byte (mb, CEE_LDNULL);
4376 mono_mb_emit_stloc (mb, 0);
4378 /* Check for the abort exception */
4379 mono_mb_emit_ldloc (mb, 1);
4380 mono_mb_emit_byte (mb, CEE_ISINST);
4381 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
4382 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4384 mono_mb_emit_byte (mb, 0);
4386 /* Delay the abort exception */
4387 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4389 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
4390 mono_mb_emit_byte (mb, CEE_LEAVE);
4391 mono_mb_emit_i4 (mb, 0);
4393 clause->handler_len = mb->pos - clause->handler_offset;
4396 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4397 mono_mb_emit_ldloc (mb, 0);
4398 mono_mb_emit_byte (mb, CEE_RET);
4400 /* taken from mono_mb_create_and_cache */
4401 mono_loader_lock ();
4402 mono_marshal_lock ();
4404 res = g_hash_table_lookup (cache, callsig);
4405 /* Somebody may have created it before us */
4407 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4408 g_hash_table_insert (cache, callsig, res);
4409 g_hash_table_insert (wrapper_hash, res, callsig);
4412 mono_marshal_unlock ();
4413 mono_loader_unlock ();
4414 /* end mono_mb_create_and_cache */
4418 header = ((MonoMethodNormal *)res)->header;
4419 header->num_clauses = 1;
4420 header->clauses = clause;
4426 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4428 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4429 klass->name_space, klass->name);
4431 mono_mb_emit_exception_marshal_directive (mb, msg);
4435 * mono_marshal_get_ldfld_remote_wrapper:
4436 * @klass: The return type
4438 * This method generates a wrapper for calling mono_load_remote_field_new with
4439 * the appropriate return type.
4442 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4444 MonoMethodSignature *sig, *csig;
4445 MonoMethodBuilder *mb;
4450 cache = klass->image->ldfld_remote_wrapper_cache;
4451 if ((res = mono_marshal_find_in_cache (cache, klass)))
4455 * This wrapper is similar to an icall wrapper but all the wrappers
4456 * call the same C function, but with a different signature.
4458 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4459 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4462 mb->method->save_lmf = 1;
4464 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4465 sig->params [0] = &mono_defaults.object_class->byval_arg;
4466 sig->params [1] = &mono_defaults.int_class->byval_arg;
4467 sig->params [2] = &mono_defaults.int_class->byval_arg;
4468 sig->ret = &klass->this_arg;
4470 mono_mb_emit_ldarg (mb, 0);
4471 mono_mb_emit_ldarg (mb, 1);
4472 mono_mb_emit_ldarg (mb, 2);
4474 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4475 csig->params [0] = &mono_defaults.object_class->byval_arg;
4476 csig->params [1] = &mono_defaults.int_class->byval_arg;
4477 csig->params [2] = &mono_defaults.int_class->byval_arg;
4478 csig->ret = &klass->this_arg;
4481 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4482 emit_thread_interrupt_checkpoint (mb);
4484 mono_mb_emit_byte (mb, CEE_RET);
4486 res = mono_mb_create_and_cache (cache, klass,
4487 mb, sig, sig->param_count + 16);
4494 * mono_marshal_get_ldfld_wrapper:
4495 * @type: the type of the field
4497 * This method generates a function which can be use to load a field with type
4498 * @type from an object. The generated function has the following signature:
4499 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4502 mono_marshal_get_ldfld_wrapper (MonoType *type)
4504 MonoMethodSignature *sig;
4505 MonoMethodBuilder *mb;
4510 int t, pos0, pos1 = 0;
4512 type = mono_type_get_underlying_type (type);
4517 if (type->type == MONO_TYPE_SZARRAY) {
4518 klass = mono_defaults.array_class;
4519 } else if (type->type == MONO_TYPE_VALUETYPE) {
4520 klass = type->data.klass;
4521 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4522 klass = mono_defaults.object_class;
4523 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4524 klass = mono_defaults.int_class;
4525 } else if (t == MONO_TYPE_GENERICINST) {
4526 if (mono_type_generic_inst_is_valuetype (type))
4527 klass = mono_class_from_mono_type (type);
4529 klass = mono_defaults.object_class;
4531 klass = mono_class_from_mono_type (type);
4534 klass = mono_defaults.int_class;
4537 cache = klass->image->ldfld_wrapper_cache;
4538 if ((res = mono_marshal_find_in_cache (cache, klass)))
4541 /* we add the %p pointer value of klass because class names are not unique */
4542 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4543 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4546 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4547 sig->params [0] = &mono_defaults.object_class->byval_arg;
4548 sig->params [1] = &mono_defaults.int_class->byval_arg;
4549 sig->params [2] = &mono_defaults.int_class->byval_arg;
4550 sig->params [3] = &mono_defaults.int_class->byval_arg;
4551 sig->ret = &klass->byval_arg;
4553 mono_mb_emit_ldarg (mb, 0);
4554 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4556 mono_mb_emit_ldarg (mb, 0);
4557 mono_mb_emit_ldarg (mb, 1);
4558 mono_mb_emit_ldarg (mb, 2);
4560 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4563 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4564 csig->params [0] = &mono_defaults.object_class->byval_arg;
4565 csig->params [1] = &mono_defaults.int_class->byval_arg;
4566 csig->params [2] = &mono_defaults.int_class->byval_arg;
4567 csig->ret = &klass->this_arg;
4570 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4571 emit_thread_interrupt_checkpoint (mb);
4574 if (klass->valuetype) {
4575 mono_mb_emit_byte (mb, CEE_UNBOX);
4576 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4577 mono_mb_emit_byte (mb, CEE_BR);
4579 mono_mb_emit_i4 (mb, 0);
4581 mono_mb_emit_byte (mb, CEE_RET);
4585 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4587 mono_mb_emit_ldarg (mb, 0);
4588 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4589 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4590 mono_mb_emit_ldarg (mb, 3);
4591 mono_mb_emit_byte (mb, CEE_ADD);
4593 if (klass->valuetype)
4594 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4599 case MONO_TYPE_BOOLEAN:
4600 case MONO_TYPE_CHAR:
4609 case MONO_TYPE_ARRAY:
4610 case MONO_TYPE_SZARRAY:
4611 case MONO_TYPE_OBJECT:
4612 case MONO_TYPE_CLASS:
4613 case MONO_TYPE_STRING:
4617 case MONO_TYPE_FNPTR:
4618 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4620 case MONO_TYPE_VALUETYPE:
4621 g_assert (!klass->enumtype);
4622 mono_mb_emit_byte (mb, CEE_LDOBJ);
4623 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4625 case MONO_TYPE_GENERICINST:
4626 if (mono_type_generic_inst_is_valuetype (type)) {
4627 mono_mb_emit_byte (mb, CEE_LDOBJ);
4628 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, 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_addr (mb, pos0, mb->pos - (pos0 + 4));
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_byte (mb, CEE_BOX);
4770 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4773 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4774 csig->params [0] = &mono_defaults.object_class->byval_arg;
4775 csig->params [1] = &mono_defaults.int_class->byval_arg;
4776 csig->params [2] = &mono_defaults.int_class->byval_arg;
4777 csig->params [3] = &klass->byval_arg;
4778 csig->ret = &mono_defaults.void_class->byval_arg;
4781 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4782 emit_thread_interrupt_checkpoint (mb);
4784 mono_mb_emit_byte (mb, CEE_RET);
4786 res = mono_mb_create_and_cache (cache, klass,
4787 mb, sig, sig->param_count + 16);
4794 * mono_marshal_get_stfld_wrapper:
4795 * @type: the type of the field
4797 * This method generates a function which can be use to store a field with type
4798 * @type. The generated function has the following signature:
4799 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4802 mono_marshal_get_stfld_wrapper (MonoType *type)
4804 MonoMethodSignature *sig;
4805 MonoMethodBuilder *mb;
4812 type = mono_type_get_underlying_type (type);
4816 if (type->type == MONO_TYPE_SZARRAY) {
4817 klass = mono_defaults.array_class;
4818 } else if (type->type == MONO_TYPE_VALUETYPE) {
4819 klass = type->data.klass;
4820 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4821 klass = mono_defaults.object_class;
4822 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4823 klass = mono_defaults.int_class;
4824 } else if (t == MONO_TYPE_GENERICINST) {
4825 if (mono_type_generic_inst_is_valuetype (type))
4826 klass = mono_class_from_mono_type (type);
4828 klass = mono_defaults.object_class;
4830 klass = mono_class_from_mono_type (type);
4833 klass = mono_defaults.int_class;
4836 cache = klass->image->stfld_wrapper_cache;
4837 if ((res = mono_marshal_find_in_cache (cache, klass)))
4840 /* we add the %p pointer value of klass because class names are not unique */
4841 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4842 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4845 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4846 sig->params [0] = &mono_defaults.object_class->byval_arg;
4847 sig->params [1] = &mono_defaults.int_class->byval_arg;
4848 sig->params [2] = &mono_defaults.int_class->byval_arg;
4849 sig->params [3] = &mono_defaults.int_class->byval_arg;
4850 sig->params [4] = &klass->byval_arg;
4851 sig->ret = &mono_defaults.void_class->byval_arg;
4853 mono_mb_emit_ldarg (mb, 0);
4854 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4856 mono_mb_emit_ldarg (mb, 0);
4857 mono_mb_emit_ldarg (mb, 1);
4858 mono_mb_emit_ldarg (mb, 2);
4859 mono_mb_emit_ldarg (mb, 4);
4861 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4863 mono_mb_emit_byte (mb, CEE_RET);
4865 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4867 mono_mb_emit_ldarg (mb, 0);
4868 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4869 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4870 mono_mb_emit_ldarg (mb, 3);
4871 mono_mb_emit_byte (mb, CEE_ADD);
4872 mono_mb_emit_ldarg (mb, 4);
4877 case MONO_TYPE_BOOLEAN:
4878 case MONO_TYPE_CHAR:
4887 case MONO_TYPE_ARRAY:
4888 case MONO_TYPE_SZARRAY:
4889 case MONO_TYPE_OBJECT:
4890 case MONO_TYPE_CLASS:
4891 case MONO_TYPE_STRING:
4895 case MONO_TYPE_FNPTR:
4896 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4898 case MONO_TYPE_VALUETYPE:
4899 g_assert (!klass->enumtype);
4900 mono_mb_emit_byte (mb, CEE_STOBJ);
4901 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4903 case MONO_TYPE_GENERICINST:
4904 mono_mb_emit_byte (mb, CEE_STOBJ);
4905 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4908 g_warning ("type %x not implemented", type->type);
4909 g_assert_not_reached ();
4912 mono_mb_emit_byte (mb, CEE_RET);
4914 res = mono_mb_create_and_cache (cache, klass,
4915 mb, sig, sig->param_count + 16);
4922 * generates IL code for the icall wrapper (the generated method
4923 * calls the unmanaged code in func)
4926 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4928 MonoMethodSignature *csig;
4929 MonoMethodBuilder *mb;
4933 g_assert (sig->pinvoke);
4935 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4937 mb->method->save_lmf = 1;
4939 /* we copy the signature, so that we can modify it */
4942 mono_mb_emit_byte (mb, CEE_LDARG_0);
4944 for (i = 0; i < sig->param_count; i++)
4945 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4947 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4948 emit_thread_interrupt_checkpoint (mb);
4949 mono_mb_emit_byte (mb, CEE_RET);
4951 csig = signature_dup (mono_defaults.corlib, sig);
4953 if (csig->call_convention == MONO_CALL_VARARG)
4954 csig->call_convention = 0;
4956 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4963 MonoMethodBuilder *mb;
4964 MonoMethodSignature *sig;
4965 MonoMethodPInvoke *piinfo;
4966 int *orig_conv_args; /* Locals containing the original values of byref args */
4968 MonoClass *retobj_class;
4969 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
4970 } EmitMarshalContext;
4973 MARSHAL_ACTION_CONV_IN,
4974 MARSHAL_ACTION_PUSH,
4975 MARSHAL_ACTION_CONV_OUT,
4976 MARSHAL_ACTION_CONV_RESULT,
4977 MARSHAL_ACTION_MANAGED_CONV_IN,
4978 MARSHAL_ACTION_MANAGED_CONV_OUT,
4979 MARSHAL_ACTION_MANAGED_CONV_RESULT
4983 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4984 MonoMarshalSpec *spec,
4985 int conv_arg, MonoType **conv_arg_type,
4986 MarshalAction action)
4990 static MonoClass *ICustomMarshaler = NULL;
4991 static MonoMethod *cleanup_native, *cleanup_managed;
4992 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4993 MonoMethod *get_instance;
4994 MonoMethodBuilder *mb = m->mb;
4995 char *exception_msg = NULL;
4999 if (!ICustomMarshaler) {
5000 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5001 g_assert (ICustomMarshaler);
5003 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5004 g_assert (cleanup_native);
5005 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5006 g_assert (cleanup_managed);
5007 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5008 g_assert (marshal_managed_to_native);
5009 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5010 g_assert (marshal_native_to_managed);
5013 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
5014 g_assert (mtype != NULL);
5015 mklass = mono_class_from_mono_type (mtype);
5016 g_assert (mklass != NULL);
5018 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5019 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5021 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5023 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5024 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5025 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5026 (get_sig->params [0]->type != MONO_TYPE_STRING))
5027 get_instance = NULL;
5031 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);
5033 /* Throw exception and emit compensation code if neccesary */
5034 if (exception_msg) {
5036 case MARSHAL_ACTION_CONV_IN:
5037 case MARSHAL_ACTION_CONV_RESULT:
5038 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5039 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5040 mono_mb_emit_byte (mb, CEE_POP);
5042 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5043 g_free (exception_msg);
5046 case MARSHAL_ACTION_PUSH:
5047 mono_mb_emit_byte (mb, CEE_LDNULL);
5055 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5056 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5059 case MARSHAL_ACTION_CONV_IN:
5061 case MONO_TYPE_CLASS:
5062 case MONO_TYPE_OBJECT:
5063 case MONO_TYPE_STRING:
5064 case MONO_TYPE_ARRAY:
5065 case MONO_TYPE_SZARRAY:
5066 case MONO_TYPE_VALUETYPE:
5070 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5071 g_assert_not_reached ();
5075 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5077 mono_mb_emit_byte (mb, CEE_LDNULL);
5078 mono_mb_emit_stloc (mb, conv_arg);
5080 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5083 /* Check for null */
5084 mono_mb_emit_ldarg (mb, argnum);
5086 mono_mb_emit_byte (mb, CEE_LDIND_I);
5087 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5089 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5091 mono_mb_emit_byte (mb, CEE_CALL);
5092 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5094 mono_mb_emit_ldarg (mb, argnum);
5096 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5098 if (t->type == MONO_TYPE_VALUETYPE) {
5100 * Since we can't determine the type of the argument, we
5101 * will assume the unmanaged function takes a pointer.
5103 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5105 mono_mb_emit_byte (mb, CEE_BOX);
5106 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
5109 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5110 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
5111 mono_mb_emit_stloc (mb, conv_arg);
5113 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5116 case MARSHAL_ACTION_CONV_OUT:
5117 /* Check for null */
5118 mono_mb_emit_ldloc (mb, conv_arg);
5119 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5122 mono_mb_emit_ldarg (mb, argnum);
5124 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5126 mono_mb_emit_byte (mb, CEE_CALL);
5127 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5129 mono_mb_emit_ldloc (mb, conv_arg);
5130 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5131 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
5132 mono_mb_emit_byte (mb, CEE_STIND_REF);
5135 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5137 mono_mb_emit_byte (mb, CEE_CALL);
5138 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5140 mono_mb_emit_ldloc (mb, conv_arg);
5142 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5143 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
5145 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5148 case MARSHAL_ACTION_PUSH:
5150 mono_mb_emit_ldloc_addr (mb, conv_arg);
5152 mono_mb_emit_ldloc (mb, conv_arg);
5155 case MARSHAL_ACTION_CONV_RESULT:
5156 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5158 mono_mb_emit_stloc (mb, 3);
5160 mono_mb_emit_ldloc (mb, 3);
5161 mono_mb_emit_stloc (mb, loc1);
5163 /* Check for null */
5164 mono_mb_emit_ldloc (mb, 3);
5165 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5167 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5169 mono_mb_emit_byte (mb, CEE_CALL);
5170 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5171 mono_mb_emit_byte (mb, CEE_DUP);
5173 mono_mb_emit_ldloc (mb, 3);
5174 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5175 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
5176 mono_mb_emit_stloc (mb, 3);
5178 mono_mb_emit_ldloc (mb, loc1);
5179 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5180 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
5182 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5185 case MARSHAL_ACTION_MANAGED_CONV_IN:
5191 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5193 mono_mb_emit_byte (mb, CEE_LDNULL);
5194 mono_mb_emit_stloc (mb, conv_arg);
5196 /* Check for null */
5197 mono_mb_emit_ldarg (mb, argnum);
5198 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5200 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5201 mono_mb_emit_byte (mb, CEE_CALL);
5202 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5204 mono_mb_emit_ldarg (mb, argnum);
5206 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5207 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
5208 mono_mb_emit_stloc (mb, conv_arg);
5210 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5213 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5214 g_assert (!t->byref);
5216 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5218 mono_mb_emit_stloc (mb, 3);
5220 mono_mb_emit_ldloc (mb, 3);
5221 mono_mb_emit_stloc (mb, loc1);
5223 /* Check for null */
5224 mono_mb_emit_ldloc (mb, 3);
5225 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5227 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5228 mono_mb_emit_byte (mb, CEE_CALL);
5229 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5230 mono_mb_emit_byte (mb, CEE_DUP);
5232 mono_mb_emit_ldloc (mb, 3);
5233 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5234 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
5235 mono_mb_emit_stloc (mb, 3);
5237 mono_mb_emit_ldloc (mb, loc1);
5238 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5239 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
5241 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5244 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5245 g_assert (!t->byref);
5247 /* Check for null */
5248 mono_mb_emit_ldloc (mb, conv_arg);
5249 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5251 /* Call CleanUpManagedData */
5252 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5254 mono_mb_emit_byte (mb, CEE_CALL);
5255 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5257 mono_mb_emit_ldloc (mb, conv_arg);
5258 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5259 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
5261 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5265 g_assert_not_reached ();
5272 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5273 MonoMarshalSpec *spec,
5274 int conv_arg, MonoType **conv_arg_type,
5275 MarshalAction action)
5277 MonoMethodBuilder *mb = m->mb;
5280 case MARSHAL_ACTION_CONV_IN: {
5281 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5283 g_assert (t->type == MONO_TYPE_OBJECT);
5284 g_assert (!t->byref);
5286 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5287 mono_mb_emit_ldarg (mb, argnum);
5288 mono_mb_emit_icon (mb, encoding);
5289 mono_mb_emit_icon (mb, t->attrs);
5290 mono_mb_emit_icall (mb, mono_marshal_asany);
5291 mono_mb_emit_stloc (mb, conv_arg);
5295 case MARSHAL_ACTION_PUSH:
5296 mono_mb_emit_ldloc (mb, conv_arg);
5299 case MARSHAL_ACTION_CONV_OUT: {
5300 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5302 mono_mb_emit_ldarg (mb, argnum);
5303 mono_mb_emit_ldloc (mb, conv_arg);
5304 mono_mb_emit_icon (mb, encoding);
5305 mono_mb_emit_icon (mb, t->attrs);
5306 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5311 g_assert_not_reached ();
5318 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5319 MonoMarshalSpec *spec,
5320 int conv_arg, MonoType **conv_arg_type,
5321 MarshalAction action)
5323 MonoMethodBuilder *mb = m->mb;
5327 klass = t->data.klass;
5330 case MARSHAL_ACTION_CONV_IN:
5331 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5332 klass->blittable || klass->enumtype)
5335 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5337 /* store the address of the source into local variable 0 */
5339 mono_mb_emit_ldarg (mb, argnum);
5341 mono_mb_emit_ldarg_addr (mb, argnum);
5343 mono_mb_emit_stloc (mb, 0);
5345 /* allocate space for the native struct and
5346 * store the address into local variable 1 (dest) */
5347 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5348 mono_mb_emit_byte (mb, CEE_PREFIX1);
5349 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5350 mono_mb_emit_stloc (mb, conv_arg);
5353 mono_mb_emit_ldloc (mb, 0);
5354 mono_mb_emit_byte (mb, CEE_BRFALSE);
5356 mono_mb_emit_i4 (mb, 0);
5359 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5361 mono_mb_emit_ldloc (mb, conv_arg);
5362 mono_mb_emit_stloc (mb, 1);
5364 /* emit valuetype conversion code */
5365 emit_struct_conv (mb, klass, FALSE);
5369 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5372 case MARSHAL_ACTION_PUSH:
5373 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5375 g_assert (!t->byref);
5377 /* Have to change the signature since the vtype is passed byref */
5378 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5380 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5381 klass->blittable || klass->enumtype)
5382 mono_mb_emit_ldarg_addr (mb, argnum);
5384 mono_mb_emit_ldloc (mb, conv_arg);
5388 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5389 klass->blittable || klass->enumtype) {
5390 mono_mb_emit_ldarg (mb, argnum);
5393 mono_mb_emit_ldloc (mb, conv_arg);
5395 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5396 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
5397 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5401 case MARSHAL_ACTION_CONV_OUT:
5402 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5403 klass->blittable || klass->enumtype)
5407 /* dst = argument */
5408 mono_mb_emit_ldarg (mb, argnum);
5409 mono_mb_emit_stloc (mb, 1);
5411 mono_mb_emit_ldloc (mb, 1);
5412 mono_mb_emit_byte (mb, CEE_BRFALSE);
5414 mono_mb_emit_i4 (mb, 0);
5416 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5417 /* src = tmp_locals [i] */
5418 mono_mb_emit_ldloc (mb, conv_arg);
5419 mono_mb_emit_stloc (mb, 0);
5421 /* emit valuetype conversion code */
5422 emit_struct_conv (mb, klass, TRUE);
5426 emit_struct_free (mb, klass, conv_arg);
5429 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5432 case MARSHAL_ACTION_CONV_RESULT:
5433 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5435 mono_mb_emit_stloc (mb, 3);
5438 /* load pointer to returned value type */
5439 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5440 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5441 /* store the address of the source into local variable 0 */
5442 mono_mb_emit_stloc (mb, 0);
5444 mono_mb_emit_ldloc_addr (mb, 3);
5445 mono_mb_emit_stloc (mb, 1);
5447 /* emit valuetype conversion code */
5448 emit_struct_conv (mb, klass, TRUE);
5451 case MARSHAL_ACTION_MANAGED_CONV_IN:
5452 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5453 klass->blittable || klass->enumtype) {
5458 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5460 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5464 mono_mb_emit_ldarg (mb, argnum);
5466 mono_mb_emit_ldarg_addr (mb, argnum);
5467 mono_mb_emit_stloc (mb, 0);
5470 mono_mb_emit_ldloc (mb, 0);
5471 mono_mb_emit_byte (mb, CEE_BRFALSE);
5473 mono_mb_emit_i4 (mb, 0);
5476 mono_mb_emit_ldloc_addr (mb, conv_arg);
5477 mono_mb_emit_stloc (mb, 1);
5479 /* emit valuetype conversion code */
5480 emit_struct_conv (mb, klass, TRUE);
5483 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5486 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5487 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5488 klass->blittable || klass->enumtype) {
5492 /* Check for null */
5493 mono_mb_emit_ldarg (mb, argnum);
5494 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5497 mono_mb_emit_ldloc_addr (mb, conv_arg);
5498 mono_mb_emit_stloc (mb, 0);
5501 mono_mb_emit_ldarg (mb, argnum);
5502 mono_mb_emit_stloc (mb, 1);
5504 /* emit valuetype conversion code */
5505 emit_struct_conv (mb, klass, FALSE);
5507 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5510 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5511 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5512 klass->blittable || klass->enumtype) {
5513 mono_mb_emit_stloc (mb, 3);
5518 /* load pointer to returned value type */
5519 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5520 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5522 /* store the address of the source into local variable 0 */
5523 mono_mb_emit_stloc (mb, 0);
5524 /* allocate space for the native struct and
5525 * store the address into dst_ptr */
5526 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5527 m->retobj_class = klass;
5528 g_assert (m->retobj_var);
5529 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5530 mono_mb_emit_byte (mb, CEE_CONV_I);
5531 mono_mb_emit_icall (mb, mono_marshal_alloc);
5532 mono_mb_emit_stloc (mb, 1);
5533 mono_mb_emit_ldloc (mb, 1);
5534 mono_mb_emit_stloc (mb, m->retobj_var);
5536 /* emit valuetype conversion code */
5537 emit_struct_conv (mb, klass, FALSE);
5541 g_assert_not_reached ();
5548 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5549 MonoMarshalSpec *spec,
5550 int conv_arg, MonoType **conv_arg_type,
5551 MarshalAction action)
5553 MonoMethodBuilder *mb = m->mb;
5554 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5555 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5559 case MARSHAL_ACTION_CONV_IN:
5560 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5561 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5564 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5567 mono_mb_emit_ldarg (mb, argnum);
5568 mono_mb_emit_byte (mb, CEE_LDIND_I);
5570 mono_mb_emit_ldarg (mb, argnum);
5574 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5575 MonoException *exc = mono_get_exception_not_implemented (msg);
5578 mono_raise_exception (exc);
5581 mono_mb_emit_icall (mb, conv_to_icall (conv));
5583 mono_mb_emit_stloc (mb, conv_arg);
5586 case MARSHAL_ACTION_CONV_OUT:
5587 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5588 mono_mb_emit_ldarg (mb, argnum);
5589 mono_mb_emit_ldloc (mb, conv_arg);
5590 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5591 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5592 // BSTRs always need freed
5593 mono_mb_emit_ldloc (mb, conv_arg);
5594 mono_mb_emit_icall (mb, mono_free_bstr);
5597 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5598 mono_mb_emit_byte (mb, CEE_STIND_REF);
5600 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5601 mono_mb_emit_ldloc (mb, conv_arg);
5602 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5603 mono_mb_emit_icall (mb, mono_free_bstr);
5605 mono_mb_emit_icall (mb, mono_marshal_free);
5610 case MARSHAL_ACTION_PUSH:
5612 mono_mb_emit_ldloc_addr (mb, conv_arg);
5614 mono_mb_emit_ldloc (mb, conv_arg);
5617 case MARSHAL_ACTION_CONV_RESULT:
5618 mono_mb_emit_stloc (mb, 0);
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_ldloc (mb, 0);
5628 mono_mb_emit_icall (mb, conv_to_icall (conv));
5629 mono_mb_emit_stloc (mb, 3);
5631 /* free the string */
5632 mono_mb_emit_ldloc (mb, 0);
5633 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5634 mono_mb_emit_icall (mb, mono_free_bstr);
5636 mono_mb_emit_icall (mb, g_free);
5639 case MARSHAL_ACTION_MANAGED_CONV_IN:
5645 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5646 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5648 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5650 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5651 mono_mb_emit_exception_marshal_directive (mb, msg);
5655 mono_mb_emit_ldarg (mb, argnum);
5656 mono_mb_emit_icall (mb, conv_to_icall (conv));
5657 mono_mb_emit_stloc (mb, conv_arg);
5660 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5661 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
5662 mono_mb_emit_stloc (mb, 3);
5666 g_assert_not_reached ();
5673 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5674 MonoMarshalSpec *spec,
5675 int conv_arg, MonoType **conv_arg_type,
5676 MarshalAction action)
5678 MonoMethodBuilder *mb = m->mb;
5679 MonoClass *klass = t->data.klass;
5682 if (mono_class_from_mono_type (t) == mono_defaults.object_class &&
5683 (!spec || (spec && spec->native != MONO_NATIVE_STRUCT)) &&
5684 (!spec || (spec && (spec->native != MONO_NATIVE_IUNKNOWN &&
5685 spec->native != MONO_NATIVE_IDISPATCH &&
5686 spec->native != MONO_NATIVE_INTERFACE)))) {
5687 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
5691 case MARSHAL_ACTION_CONV_IN:
5692 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5693 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5695 m->orig_conv_args [argnum] = 0;
5697 if (spec && spec->native == MONO_NATIVE_STRUCT)
5699 static MonoMethod *get_native_variant_for_object = NULL;
5701 if (!get_native_variant_for_object)
5702 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5704 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
5706 local_variant = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
5707 conv_arg = local_variant;
5708 mono_mb_emit_ldarg (mb, argnum);
5710 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5711 mono_mb_emit_ldloc_addr (mb, local_variant);
5712 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5714 else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5715 spec->native == MONO_NATIVE_IDISPATCH ||
5716 spec->native == MONO_NATIVE_INTERFACE)) {
5717 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
5718 mono_mb_emit_exception_marshal_directive (mb, msg);
5720 else if (klass->delegate) {
5721 g_assert (!t->byref);
5722 mono_mb_emit_ldarg (mb, argnum);
5723 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5724 mono_mb_emit_stloc (mb, conv_arg);
5725 } else if (klass == mono_defaults.stringbuilder_class) {
5726 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5727 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5729 g_assert (!t->byref);
5730 mono_mb_emit_ldarg (mb, argnum);
5733 mono_mb_emit_icall (mb, conv_to_icall (conv));
5735 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5736 MonoException *exc = mono_get_exception_not_implemented (msg);
5739 mono_raise_exception (exc);
5742 mono_mb_emit_stloc (mb, conv_arg);
5743 } else if (klass->blittable) {
5744 mono_mb_emit_ldarg (mb, argnum);
5745 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5746 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5747 mono_mb_emit_icon (mb, sizeof (MonoObject));
5748 mono_mb_emit_byte (mb, CEE_ADD);
5749 mono_mb_emit_stloc (mb, conv_arg);
5752 mono_mb_emit_byte (mb, CEE_LDNULL);
5753 mono_mb_emit_stloc (mb, conv_arg);
5756 /* we dont need any conversions for out parameters */
5757 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5760 mono_mb_emit_ldarg (mb, argnum);
5761 mono_mb_emit_byte (mb, CEE_LDIND_I);
5764 mono_mb_emit_ldarg (mb, argnum);
5765 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5766 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5769 /* store the address of the source into local variable 0 */
5770 mono_mb_emit_stloc (mb, 0);
5771 mono_mb_emit_ldloc (mb, 0);
5772 mono_mb_emit_byte (mb, CEE_BRFALSE);
5774 mono_mb_emit_i4 (mb, 0);
5776 /* allocate space for the native struct and store the address */
5777 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5778 mono_mb_emit_byte (mb, CEE_PREFIX1);
5779 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5780 mono_mb_emit_stloc (mb, conv_arg);
5783 /* Need to store the original buffer so we can free it later */
5784 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5785 mono_mb_emit_ldloc (mb, conv_arg);
5786 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5789 /* set the src_ptr */
5790 mono_mb_emit_ldloc (mb, 0);
5791 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5792 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5793 mono_mb_emit_icon (mb, sizeof (MonoObject));
5794 mono_mb_emit_byte (mb, CEE_ADD);
5795 mono_mb_emit_stloc (mb, 0);
5798 mono_mb_emit_ldloc (mb, conv_arg);
5799 mono_mb_emit_stloc (mb, 1);
5801 /* emit valuetype conversion code */
5802 emit_struct_conv (mb, klass, FALSE);
5804 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5808 case MARSHAL_ACTION_CONV_OUT:
5809 if (spec && spec->native == MONO_NATIVE_STRUCT) {
5810 static MonoMethod *variant_clear = NULL;
5811 static MonoMethod *get_object_for_native_variant = NULL;
5813 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
5814 if (!get_object_for_native_variant)
5815 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
5817 mono_mb_emit_ldarg (mb, argnum);
5818 mono_mb_emit_ldloc_addr (mb, conv_arg);
5819 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5820 mono_mb_emit_byte (mb, CEE_STIND_REF);
5823 mono_mb_emit_ldloc_addr (mb, conv_arg);
5824 mono_mb_emit_managed_call (mb, variant_clear, NULL);
5828 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5829 spec->native == MONO_NATIVE_IDISPATCH ||
5830 spec->native == MONO_NATIVE_INTERFACE)) {
5831 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
5832 mono_mb_emit_exception_marshal_directive (mb, msg);
5835 if (klass == mono_defaults.stringbuilder_class) {
5837 MonoMarshalNative encoding;
5838 MonoMarshalConv conv;
5840 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5841 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5843 g_assert (!t->byref);
5844 g_assert (encoding != -1);
5846 mono_mb_emit_ldarg (mb, argnum);
5847 mono_mb_emit_ldloc (mb, conv_arg);
5849 mono_mb_emit_icall (mb, conv_to_icall (conv));
5852 mono_mb_emit_ldloc (mb, conv_arg);
5853 mono_mb_emit_icall (mb, mono_marshal_free);
5858 if (klass->delegate)
5861 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5862 /* allocate a new object */
5863 mono_mb_emit_ldarg (mb, argnum);
5864 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5865 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5866 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5867 mono_mb_emit_byte (mb, CEE_STIND_REF);
5870 /* dst = *argument */
5871 mono_mb_emit_ldarg (mb, argnum);
5874 mono_mb_emit_byte (mb, CEE_LDIND_I);
5876 mono_mb_emit_stloc (mb, 1);
5878 mono_mb_emit_ldloc (mb, 1);
5879 mono_mb_emit_byte (mb, CEE_BRFALSE);
5881 mono_mb_emit_i4 (mb, 0);
5883 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5884 mono_mb_emit_ldloc (mb, 1);
5885 mono_mb_emit_icon (mb, sizeof (MonoObject));
5886 mono_mb_emit_byte (mb, CEE_ADD);
5887 mono_mb_emit_stloc (mb, 1);
5889 /* src = tmp_locals [i] */
5890 mono_mb_emit_ldloc (mb, conv_arg);
5891 mono_mb_emit_stloc (mb, 0);
5893 /* emit valuetype conversion code */
5894 emit_struct_conv (mb, t->data.klass, TRUE);
5896 /* Free the structure returned by the native code */
5897 emit_struct_free (mb, klass, conv_arg);
5899 if (m->orig_conv_args [argnum]) {
5901 * If the native function changed the pointer, then free
5902 * the original structure plus the new pointer.
5904 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5905 mono_mb_emit_ldloc (mb, conv_arg);
5906 mono_mb_emit_byte (mb, CEE_BEQ);
5908 mono_mb_emit_i4 (mb, 0);
5910 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5911 g_assert (m->orig_conv_args [argnum]);
5913 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5916 mono_mb_emit_ldloc (mb, conv_arg);
5917 mono_mb_emit_icall (mb, g_free);
5919 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5923 /* Free the original structure passed to native code */
5924 emit_struct_free (mb, klass, conv_arg);
5926 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5929 case MARSHAL_ACTION_PUSH:
5931 mono_mb_emit_ldloc_addr (mb, conv_arg);
5933 mono_mb_emit_ldloc (mb, conv_arg);
5936 case MARSHAL_ACTION_CONV_RESULT:
5937 if (klass->delegate) {
5938 g_assert (!t->byref);
5939 mono_mb_emit_stloc (mb, 0);
5940 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5941 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5942 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5943 mono_mb_emit_ldloc (mb, 0);
5944 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5945 mono_mb_emit_stloc (mb, 3);
5946 } else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5947 spec->native == MONO_NATIVE_IDISPATCH ||
5948 spec->native == MONO_NATIVE_INTERFACE)) {
5949 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
5950 mono_mb_emit_exception_marshal_directive (mb, msg);
5953 mono_mb_emit_stloc (mb, 0);
5955 /* Make a copy since emit_conv modifies local 0 */
5956 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5957 mono_mb_emit_ldloc (mb, 0);
5958 mono_mb_emit_stloc (mb, loc);
5960 mono_mb_emit_byte (mb, CEE_LDNULL);
5961 mono_mb_emit_stloc (mb, 3);
5963 mono_mb_emit_ldloc (mb, 0);
5964 mono_mb_emit_byte (mb, CEE_BRFALSE);
5966 mono_mb_emit_i4 (mb, 0);
5968 /* allocate result object */
5970 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5971 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5972 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5973 mono_mb_emit_stloc (mb, 3);
5977 mono_mb_emit_ldloc (mb, 3);
5978 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5979 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5980 mono_mb_emit_icon (mb, sizeof (MonoObject));
5981 mono_mb_emit_byte (mb, CEE_ADD);
5982 mono_mb_emit_stloc (mb, 1);
5984 /* emit conversion code */
5985 emit_struct_conv (mb, klass, TRUE);
5987 emit_struct_free (mb, klass, loc);
5989 /* Free the pointer allocated by unmanaged code */
5990 mono_mb_emit_ldloc (mb, loc);
5991 mono_mb_emit_icall (mb, g_free);
5992 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5996 case MARSHAL_ACTION_MANAGED_CONV_IN:
5997 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5999 if (klass->delegate) {
6000 g_assert (!t->byref);
6001 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6002 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
6003 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6004 mono_mb_emit_ldarg (mb, argnum);
6005 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6006 mono_mb_emit_stloc (mb, conv_arg);
6010 /* The class can not have an automatic layout */
6011 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6012 mono_mb_emit_auto_layout_exception (mb, klass);
6016 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6017 mono_mb_emit_byte (mb, CEE_LDNULL);
6018 mono_mb_emit_stloc (mb, conv_arg);
6023 mono_mb_emit_ldarg (mb, argnum);
6027 /* Check for NULL and raise an exception */
6028 mono_mb_emit_byte (mb, CEE_BRTRUE);
6030 mono_mb_emit_i4 (mb, 0);
6032 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6034 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
6035 mono_mb_emit_ldarg (mb, argnum);
6036 mono_mb_emit_byte (mb, CEE_LDIND_I);
6039 mono_mb_emit_stloc (mb, 0);
6041 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6042 mono_mb_emit_stloc (mb, conv_arg);
6044 mono_mb_emit_ldloc (mb, 0);
6045 mono_mb_emit_byte (mb, CEE_BRFALSE);
6047 mono_mb_emit_i4 (mb, 0);
6049 /* Create and set dst */
6050 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6051 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
6052 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6053 mono_mb_emit_stloc (mb, conv_arg);
6054 mono_mb_emit_ldloc (mb, conv_arg);
6055 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6056 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6057 mono_mb_emit_icon (mb, sizeof (MonoObject));
6058 mono_mb_emit_byte (mb, CEE_ADD);
6059 mono_mb_emit_stloc (mb, 1);
6061 /* emit valuetype conversion code */
6062 emit_struct_conv (mb, klass, TRUE);
6064 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6067 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6068 /* Check for null */
6069 mono_mb_emit_ldloc (mb, conv_arg);
6070 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6071 mono_mb_emit_ldarg (mb, argnum);
6072 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6073 mono_mb_emit_byte (mb, CEE_STIND_REF);
6074 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6076 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6079 mono_mb_emit_ldloc (mb, conv_arg);
6080 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6081 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6082 mono_mb_emit_icon (mb, sizeof (MonoObject));
6083 mono_mb_emit_byte (mb, CEE_ADD);
6084 mono_mb_emit_stloc (mb, 0);
6086 /* Allocate and set dest */
6087 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6088 mono_mb_emit_byte (mb, CEE_CONV_I);
6089 mono_mb_emit_icall (mb, mono_marshal_alloc);
6090 mono_mb_emit_stloc (mb, 1);
6092 /* Update argument pointer */
6093 mono_mb_emit_ldarg (mb, argnum);
6094 mono_mb_emit_ldloc (mb, 1);
6095 mono_mb_emit_byte (mb, CEE_STIND_I);
6097 /* emit valuetype conversion code */
6098 emit_struct_conv (mb, klass, FALSE);
6100 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
6103 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6104 if (klass->delegate) {
6105 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6106 mono_mb_emit_stloc (mb, 3);
6110 /* The class can not have an automatic layout */
6111 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6112 mono_mb_emit_auto_layout_exception (mb, klass);
6116 mono_mb_emit_stloc (mb, 0);
6117 /* Check for null */
6118 mono_mb_emit_ldloc (mb, 0);
6119 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6120 mono_mb_emit_byte (mb, CEE_LDNULL);
6121 mono_mb_emit_stloc (mb, 3);
6122 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6124 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6127 mono_mb_emit_ldloc (mb, 0);
6128 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6129 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6130 mono_mb_emit_icon (mb, sizeof (MonoObject));
6131 mono_mb_emit_byte (mb, CEE_ADD);
6132 mono_mb_emit_stloc (mb, 0);
6134 /* Allocate and set dest */
6135 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6136 mono_mb_emit_byte (mb, CEE_CONV_I);
6137 mono_mb_emit_icall (mb, mono_marshal_alloc);
6138 mono_mb_emit_byte (mb, CEE_DUP);
6139 mono_mb_emit_stloc (mb, 1);
6140 mono_mb_emit_stloc (mb, 3);
6142 emit_struct_conv (mb, klass, FALSE);
6144 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
6148 g_assert_not_reached ();
6155 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6156 MonoMarshalSpec *spec,
6157 int conv_arg, MonoType **conv_arg_type,
6158 MarshalAction action)
6160 MonoMethodBuilder *mb = m->mb;
6161 MonoClass *klass = mono_class_from_mono_type (t);
6162 gboolean need_convert, need_free;
6163 MonoMarshalNative encoding;
6165 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6168 case MARSHAL_ACTION_CONV_IN:
6169 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6170 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6172 if (klass->element_class->blittable) {
6173 mono_mb_emit_ldarg (mb, argnum);
6175 mono_mb_emit_byte (mb, CEE_LDIND_I);
6176 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6177 mono_mb_emit_stloc (mb, conv_arg);
6180 guint32 label1, label2, label3;
6181 int index_var, src_var, dest_ptr, esize;
6182 MonoMarshalConv conv;
6183 gboolean is_string = FALSE;
6185 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6187 eklass = klass->element_class;
6189 if (eklass == mono_defaults.string_class) {
6191 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6193 else if (eklass == mono_defaults.stringbuilder_class) {
6195 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6200 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6201 mono_mb_emit_ldarg (mb, argnum);
6203 mono_mb_emit_byte (mb, CEE_LDIND_I);
6204 mono_mb_emit_stloc (mb, src_var);
6207 mono_mb_emit_ldloc (mb, src_var);
6208 mono_mb_emit_stloc (mb, conv_arg);
6209 mono_mb_emit_ldloc (mb, src_var);
6210 mono_mb_emit_byte (mb, CEE_BRFALSE);
6212 mono_mb_emit_i4 (mb, 0);
6216 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6217 MonoException *exc = mono_get_exception_not_implemented (msg);
6220 mono_raise_exception (exc);
6225 esize = sizeof (gpointer);
6227 esize = mono_class_native_size (eklass, NULL);
6229 /* allocate space for the native struct and store the address */
6230 mono_mb_emit_icon (mb, esize);
6231 mono_mb_emit_ldloc (mb, src_var);
6232 mono_mb_emit_byte (mb, CEE_LDLEN);
6234 if (eklass == mono_defaults.string_class) {
6235 /* Make the array bigger for the terminating null */
6236 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6237 mono_mb_emit_byte (mb, CEE_ADD);
6239 mono_mb_emit_byte (mb, CEE_MUL);
6240 mono_mb_emit_byte (mb, CEE_PREFIX1);
6241 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6242 mono_mb_emit_stloc (mb, conv_arg);
6244 mono_mb_emit_ldloc (mb, conv_arg);
6245 mono_mb_emit_stloc (mb, dest_ptr);
6247 /* Emit marshalling loop */
6248 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6249 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6250 mono_mb_emit_stloc (mb, index_var);
6252 mono_mb_emit_ldloc (mb, index_var);
6253 mono_mb_emit_ldloc (mb, src_var);
6254 mono_mb_emit_byte (mb, CEE_LDLEN);
6255 mono_mb_emit_byte (mb, CEE_BGE);
6257 mono_mb_emit_i4 (mb, 0);
6259 /* Emit marshalling code */
6262 mono_mb_emit_ldloc (mb, dest_ptr);
6263 mono_mb_emit_ldloc (mb, src_var);
6264 mono_mb_emit_ldloc (mb, index_var);
6265 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6266 mono_mb_emit_icall (mb, conv_to_icall (conv));
6267 mono_mb_emit_byte (mb, CEE_STIND_I);
6269 /* set the src_ptr */
6270 mono_mb_emit_ldloc (mb, src_var);
6271 mono_mb_emit_ldloc (mb, index_var);
6272 mono_mb_emit_byte (mb, CEE_LDELEMA);
6273 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6274 mono_mb_emit_stloc (mb, 0);
6277 mono_mb_emit_ldloc (mb, dest_ptr);
6278 mono_mb_emit_stloc (mb, 1);
6280 /* emit valuetype conversion code */
6281 emit_struct_conv (mb, eklass, FALSE);
6284 mono_mb_emit_add_to_local (mb, index_var, 1);
6285 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6287 mono_mb_emit_byte (mb, CEE_BR);
6288 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6290 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6292 if (eklass == mono_defaults.string_class) {
6293 /* Null terminate */
6294 mono_mb_emit_ldloc (mb, dest_ptr);
6295 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6296 mono_mb_emit_byte (mb, CEE_STIND_REF);
6299 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6304 case MARSHAL_ACTION_CONV_OUT:
6305 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6306 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);
6307 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6310 if (need_convert || need_free) {
6311 /* FIXME: Optimize blittable case */
6313 guint32 label1, label2, label3;
6314 int index_var, src_ptr, loc, esize;
6316 eklass = klass->element_class;
6317 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6318 esize = sizeof (gpointer);
6320 esize = mono_class_native_size (eklass, NULL);
6321 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6322 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6325 mono_mb_emit_ldarg (mb, argnum);
6327 mono_mb_emit_byte (mb, CEE_LDIND_I);
6328 mono_mb_emit_byte (mb, CEE_BRFALSE);
6330 mono_mb_emit_i4 (mb, 0);
6332 mono_mb_emit_ldloc (mb, conv_arg);
6333 mono_mb_emit_stloc (mb, src_ptr);
6335 /* Emit marshalling loop */
6336 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6337 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6338 mono_mb_emit_stloc (mb, index_var);
6340 mono_mb_emit_ldloc (mb, index_var);
6341 mono_mb_emit_ldarg (mb, argnum);
6343 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6344 mono_mb_emit_byte (mb, CEE_LDLEN);
6345 mono_mb_emit_byte (mb, CEE_BGE);
6347 mono_mb_emit_i4 (mb, 0);
6349 /* Emit marshalling code */
6351 if (eklass == mono_defaults.stringbuilder_class) {
6352 gboolean need_free2;
6353 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6355 g_assert (conv != -1);
6358 mono_mb_emit_ldarg (mb, argnum);
6360 mono_mb_emit_byte (mb, CEE_LDIND_I);
6361 mono_mb_emit_ldloc (mb, index_var);
6362 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6365 mono_mb_emit_ldloc (mb, src_ptr);
6366 mono_mb_emit_byte (mb, CEE_LDIND_I);
6368 mono_mb_emit_icall (mb, conv_to_icall (conv));
6372 mono_mb_emit_ldloc (mb, src_ptr);
6373 mono_mb_emit_byte (mb, CEE_LDIND_I);
6375 mono_mb_emit_icall (mb, mono_marshal_free);
6378 else if (eklass == mono_defaults.string_class) {
6381 mono_mb_emit_ldloc (mb, src_ptr);
6382 mono_mb_emit_byte (mb, CEE_LDIND_I);
6384 mono_mb_emit_icall (mb, mono_marshal_free);
6389 /* set the src_ptr */
6390 mono_mb_emit_ldloc (mb, src_ptr);
6391 mono_mb_emit_stloc (mb, 0);
6394 mono_mb_emit_ldarg (mb, argnum);
6396 mono_mb_emit_byte (mb, CEE_LDIND_I);
6397 mono_mb_emit_ldloc (mb, index_var);
6398 mono_mb_emit_byte (mb, CEE_LDELEMA);
6399 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6400 mono_mb_emit_stloc (mb, 1);
6402 /* emit valuetype conversion code */
6403 emit_struct_conv (mb, eklass, TRUE);
6407 mono_mb_emit_ldloc (mb, src_ptr);
6408 mono_mb_emit_stloc (mb, loc);
6409 mono_mb_emit_ldloc (mb, loc);
6411 emit_struct_free (mb, eklass, loc);
6415 mono_mb_emit_add_to_local (mb, index_var, 1);
6416 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6418 mono_mb_emit_byte (mb, CEE_BR);
6419 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6421 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6422 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6426 case MARSHAL_ACTION_PUSH:
6428 mono_mb_emit_ldloc_addr (mb, conv_arg);
6430 mono_mb_emit_ldloc (mb, conv_arg);
6433 case MARSHAL_ACTION_CONV_RESULT:
6434 /* fixme: we need conversions here */
6435 mono_mb_emit_stloc (mb, 3);
6438 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6440 guint32 label1, label2, label3;
6441 int index_var, src_ptr, loc, esize, param_num, num_elem;
6442 MonoMarshalConv conv;
6443 gboolean is_string = FALSE;
6445 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6446 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6449 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6450 mono_mb_emit_exception_marshal_directive (mb, msg);
6453 if (spec->native != MONO_NATIVE_LPARRAY) {
6454 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6455 mono_mb_emit_exception_marshal_directive (mb, msg);
6459 /* FIXME: t is from the method which is wrapped, not the delegate type */
6460 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6462 param_num = spec->data.array_data.param_num;
6463 num_elem = spec->data.array_data.num_elem;
6464 if (spec->data.array_data.elem_mult == 0)
6465 /* param_num is not specified */
6468 if (param_num == -1) {
6469 if (num_elem <= 0) {
6470 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6471 mono_mb_emit_exception_marshal_directive (mb, msg);
6476 /* FIXME: Optimize blittable case */
6478 eklass = klass->element_class;
6479 if (eklass == mono_defaults.string_class) {
6481 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6483 else if (eklass == mono_defaults.stringbuilder_class) {
6485 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6490 mono_marshal_load_type_info (eklass);
6493 esize = sizeof (gpointer);
6495 esize = mono_class_native_size (eklass, NULL);
6496 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6497 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6499 mono_mb_emit_byte (mb, CEE_LDNULL);
6500 mono_mb_emit_stloc (mb, conv_arg);
6502 /* Check param index */
6503 if (param_num != -1) {
6504 if (param_num >= m->sig->param_count) {
6505 char *msg = g_strdup ("Array size control parameter index is out of range.");
6506 mono_mb_emit_exception_marshal_directive (mb, msg);
6509 switch (m->sig->params [param_num]->type) {
6522 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6523 mono_mb_emit_exception_marshal_directive (mb, msg);
6530 mono_mb_emit_ldarg (mb, argnum);
6531 mono_mb_emit_byte (mb, CEE_BRFALSE);
6533 mono_mb_emit_i4 (mb, 0);
6535 mono_mb_emit_ldarg (mb, argnum);
6536 mono_mb_emit_stloc (mb, src_ptr);
6538 /* Create managed array */
6540 * The LPArray marshalling spec says that sometimes param_num starts
6541 * from 1, sometimes it starts from 0. But MS seems to allways start
6545 if (param_num == -1)
6546 mono_mb_emit_icon (mb, num_elem);
6548 /* FIXME: Add the two together */
6549 mono_mb_emit_ldarg (mb, param_num);
6551 mono_mb_emit_icon (mb, num_elem);
6552 mono_mb_emit_byte (mb, CEE_ADD);
6556 mono_mb_emit_byte (mb, CEE_NEWARR);
6557 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6558 mono_mb_emit_stloc (mb, conv_arg);
6560 if (eklass->blittable) {
6561 mono_mb_emit_ldloc (mb, conv_arg);
6562 mono_mb_emit_byte (mb, CEE_CONV_I);
6563 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6564 mono_mb_emit_byte (mb, CEE_ADD);
6565 mono_mb_emit_ldarg (mb, argnum);
6566 mono_mb_emit_ldloc (mb, conv_arg);
6567 mono_mb_emit_byte (mb, CEE_LDLEN);
6568 mono_mb_emit_icon (mb, esize);
6569 mono_mb_emit_byte (mb, CEE_MUL);
6570 mono_mb_emit_byte (mb, CEE_PREFIX1);
6571 mono_mb_emit_byte (mb, CEE_CPBLK);
6575 /* Emit marshalling loop */
6576 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6577 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6578 mono_mb_emit_stloc (mb, index_var);
6580 mono_mb_emit_ldloc (mb, index_var);
6581 mono_mb_emit_ldloc (mb, conv_arg);
6582 mono_mb_emit_byte (mb, CEE_LDLEN);
6583 mono_mb_emit_byte (mb, CEE_BGE);
6585 mono_mb_emit_i4 (mb, 0);
6587 /* Emit marshalling code */
6589 g_assert (conv != -1);
6591 mono_mb_emit_ldloc (mb, conv_arg);
6592 mono_mb_emit_ldloc (mb, index_var);
6594 mono_mb_emit_ldloc (mb, src_ptr);
6595 mono_mb_emit_byte (mb, CEE_LDIND_I);
6597 mono_mb_emit_icall (mb, conv_to_icall (conv));
6598 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6601 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6602 mono_mb_emit_exception_marshal_directive (mb, msg);
6606 mono_mb_emit_add_to_local (mb, index_var, 1);
6607 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6609 mono_mb_emit_byte (mb, CEE_BR);
6610 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6612 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6613 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6617 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6619 guint32 label1, label2, label3;
6620 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6621 MonoMarshalConv conv;
6622 gboolean is_string = FALSE;
6624 /* These are already checked in CONV_IN */
6625 g_assert (!t->byref);
6626 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6627 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6629 param_num = spec->data.array_data.param_num;
6630 num_elem = spec->data.array_data.num_elem;
6632 if (spec->data.array_data.elem_mult == 0)
6633 /* param_num is not specified */
6636 if (param_num == -1) {
6637 if (num_elem <= 0) {
6638 g_assert_not_reached ();
6642 /* FIXME: Optimize blittable case */
6644 eklass = klass->element_class;
6645 if (eklass == mono_defaults.string_class) {
6647 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6649 else if (eklass == mono_defaults.stringbuilder_class) {
6651 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6656 mono_marshal_load_type_info (eklass);
6659 esize = sizeof (gpointer);
6661 esize = mono_class_native_size (eklass, NULL);
6663 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6664 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6667 mono_mb_emit_ldloc (mb, conv_arg);
6668 mono_mb_emit_byte (mb, CEE_BRFALSE);
6670 mono_mb_emit_i4 (mb, 0);
6672 mono_mb_emit_ldarg (mb, argnum);
6673 mono_mb_emit_stloc (mb, dest_ptr);
6675 if (eklass->blittable) {
6677 mono_mb_emit_ldarg (mb, argnum);
6679 mono_mb_emit_ldloc (mb, conv_arg);
6680 mono_mb_emit_byte (mb, CEE_CONV_I);
6681 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6682 mono_mb_emit_byte (mb, CEE_ADD);
6684 mono_mb_emit_ldloc (mb, conv_arg);
6685 mono_mb_emit_byte (mb, CEE_LDLEN);
6686 mono_mb_emit_icon (mb, esize);
6687 mono_mb_emit_byte (mb, CEE_MUL);
6688 mono_mb_emit_byte (mb, CEE_PREFIX1);
6689 mono_mb_emit_byte (mb, CEE_CPBLK);
6693 /* Emit marshalling loop */
6694 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6695 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6696 mono_mb_emit_stloc (mb, index_var);
6698 mono_mb_emit_ldloc (mb, index_var);
6699 mono_mb_emit_ldloc (mb, conv_arg);
6700 mono_mb_emit_byte (mb, CEE_LDLEN);
6701 mono_mb_emit_byte (mb, CEE_BGE);
6703 mono_mb_emit_i4 (mb, 0);
6705 /* Emit marshalling code */
6707 g_assert (conv != -1);
6710 mono_mb_emit_ldloc (mb, dest_ptr);
6713 mono_mb_emit_ldloc (mb, conv_arg);
6714 mono_mb_emit_ldloc (mb, index_var);
6716 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6718 mono_mb_emit_icall (mb, conv_to_icall (conv));
6719 mono_mb_emit_byte (mb, CEE_STIND_I);
6722 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6723 mono_mb_emit_exception_marshal_directive (mb, msg);
6727 mono_mb_emit_add_to_local (mb, index_var, 1);
6728 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6730 mono_mb_emit_byte (mb, CEE_BR);
6731 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6733 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6734 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6738 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6740 guint32 label1, label2, label3;
6741 int index_var, src, dest, esize;
6742 MonoMarshalConv conv = -1;
6743 gboolean is_string = FALSE;
6745 g_assert (!t->byref);
6747 eklass = klass->element_class;
6749 mono_marshal_load_type_info (eklass);
6751 if (eklass == mono_defaults.string_class) {
6753 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6756 g_assert_not_reached ();
6760 esize = sizeof (gpointer);
6762 esize = mono_class_native_size (eklass, NULL);
6764 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6765 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6767 mono_mb_emit_stloc (mb, src);
6768 mono_mb_emit_ldloc (mb, src);
6769 mono_mb_emit_stloc (mb, 3);
6771 /* Check for null */
6772 mono_mb_emit_ldloc (mb, src);
6773 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6775 /* Allocate native array */
6776 mono_mb_emit_icon (mb, esize);
6777 mono_mb_emit_ldloc (mb, src);
6778 mono_mb_emit_byte (mb, CEE_LDLEN);
6780 if (eklass == mono_defaults.string_class) {
6781 /* Make the array bigger for the terminating null */
6782 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6783 mono_mb_emit_byte (mb, CEE_ADD);
6785 mono_mb_emit_byte (mb, CEE_MUL);
6786 mono_mb_emit_icall (mb, mono_marshal_alloc);
6787 mono_mb_emit_stloc (mb, dest);
6788 mono_mb_emit_ldloc (mb, dest);
6789 mono_mb_emit_stloc (mb, 3);
6791 /* Emit marshalling loop */
6792 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6793 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6794 mono_mb_emit_stloc (mb, index_var);
6796 mono_mb_emit_ldloc (mb, index_var);
6797 mono_mb_emit_ldloc (mb, src);
6798 mono_mb_emit_byte (mb, CEE_LDLEN);
6799 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6801 /* Emit marshalling code */
6803 g_assert (conv != -1);
6806 mono_mb_emit_ldloc (mb, dest);
6809 mono_mb_emit_ldloc (mb, src);
6810 mono_mb_emit_ldloc (mb, index_var);
6812 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6814 mono_mb_emit_icall (mb, conv_to_icall (conv));
6815 mono_mb_emit_byte (mb, CEE_STIND_I);
6818 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6819 mono_mb_emit_exception_marshal_directive (mb, msg);
6823 mono_mb_emit_add_to_local (mb, index_var, 1);
6824 mono_mb_emit_add_to_local (mb, dest, esize);
6826 mono_mb_emit_byte (mb, CEE_BR);
6827 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6829 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6830 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6834 g_assert_not_reached ();
6841 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
6842 MonoMarshalSpec *spec,
6843 int conv_arg, MonoType **conv_arg_type,
6844 MarshalAction action)
6846 MonoMethodBuilder *mb = m->mb;
6849 case MARSHAL_ACTION_CONV_IN: {
6850 MonoType *local_type;
6851 int variant_bool = 0;
6855 local_type = &mono_defaults.int32_class->byval_arg;
6857 switch (spec->native) {
6858 case MONO_NATIVE_I1:
6859 local_type = &mono_defaults.byte_class->byval_arg;
6861 case MONO_NATIVE_VARIANTBOOL:
6862 local_type = &mono_defaults.int16_class->byval_arg;
6866 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6867 local_type = &mono_defaults.int32_class->byval_arg;
6871 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6872 conv_arg = mono_mb_add_local (mb, local_type);
6873 mono_mb_emit_ldarg (mb, argnum);
6874 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6876 mono_mb_emit_byte (mb, CEE_NEG);
6877 mono_mb_emit_stloc (mb, conv_arg);
6881 case MARSHAL_ACTION_CONV_OUT:
6884 mono_mb_emit_ldarg (mb, argnum);
6885 mono_mb_emit_ldloc (mb, conv_arg);
6886 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
6887 mono_mb_emit_byte (mb, CEE_NEG);
6888 mono_mb_emit_byte (mb, CEE_STIND_I1);
6891 case MARSHAL_ACTION_PUSH:
6893 mono_mb_emit_ldloc_addr (mb, conv_arg);
6895 mono_mb_emit_ldarg (mb, argnum);
6898 case MARSHAL_ACTION_CONV_RESULT:
6899 /* maybe we need to make sure that it fits within 8 bits */
6900 mono_mb_emit_stloc (mb, 3);
6904 g_assert_not_reached ();
6911 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6912 MonoMarshalSpec *spec, int conv_arg,
6913 MonoType **conv_arg_type, MarshalAction action)
6915 MonoMethodBuilder *mb = m->mb;
6918 case MARSHAL_ACTION_CONV_IN:
6919 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
6920 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6921 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6925 case MARSHAL_ACTION_PUSH:
6926 mono_mb_emit_ldarg (mb, argnum);
6929 case MARSHAL_ACTION_CONV_RESULT:
6930 /* no conversions necessary */
6931 mono_mb_emit_stloc (mb, 3);
6942 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
6943 MonoMarshalSpec *spec, int conv_arg,
6944 MonoType **conv_arg_type, MarshalAction action)
6946 MonoMethodBuilder *mb = m->mb;
6949 case MARSHAL_ACTION_PUSH:
6950 /* fixme: dont know how to marshal that. We cant simply
6951 * convert it to a one byte UTF8 character, because an
6952 * unicode character may need more that one byte in UTF8 */
6953 mono_mb_emit_ldarg (mb, argnum);
6956 case MARSHAL_ACTION_CONV_RESULT:
6957 /* fixme: we need conversions here */
6958 mono_mb_emit_stloc (mb, 3);
6969 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
6970 MonoMarshalSpec *spec, int conv_arg,
6971 MonoType **conv_arg_type, MarshalAction action)
6973 MonoMethodBuilder *mb = m->mb;
6976 case MARSHAL_ACTION_PUSH:
6977 mono_mb_emit_ldarg (mb, argnum);
6980 case MARSHAL_ACTION_CONV_RESULT:
6981 /* no conversions necessary */
6982 mono_mb_emit_stloc (mb, 3);
6993 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
6994 MonoMarshalSpec *spec, int conv_arg,
6995 MonoType **conv_arg_type, MarshalAction action)
6997 /* Ensure that we have marshalling info for this param */
6998 mono_marshal_load_type_info (mono_class_from_mono_type (t));
7000 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7001 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7003 if (spec && spec->native == MONO_NATIVE_ASANY)
7004 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7007 case MONO_TYPE_VALUETYPE:
7008 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7009 case MONO_TYPE_STRING:
7010 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7011 case MONO_TYPE_CLASS:
7012 case MONO_TYPE_OBJECT:
7013 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7014 case MONO_TYPE_ARRAY:
7015 case MONO_TYPE_SZARRAY:
7016 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7017 case MONO_TYPE_BOOLEAN:
7018 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7020 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7021 case MONO_TYPE_CHAR:
7022 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7035 case MONO_TYPE_FNPTR:
7036 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7043 * mono_marshal_emit_native_wrapper:
7044 * @sig: The signature of the native function
7045 * @piinfo: Marshalling information
7046 * @mspecs: Marshalling information
7047 * @func: the native function to call
7049 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7052 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7054 EmitMarshalContext m;
7055 MonoMethodSignature *csig;
7057 int i, argnum, *tmp_locals;
7059 static MonoMethodSignature *get_last_error_sig = NULL;
7064 /* we copy the signature, so that we can set pinvoke to 0 */
7065 csig = signature_dup (mb->method->klass->image, sig);
7069 /* we allocate local for use with emit_struct_conv() */
7070 /* allocate local 0 (pointer) src_ptr */
7071 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7072 /* allocate local 1 (pointer) dst_ptr */
7073 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7074 /* allocate local 2 (boolean) delete_old */
7075 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7077 /* delete_old = FALSE */
7078 mono_mb_emit_icon (mb, 0);
7079 mono_mb_emit_stloc (mb, 2);
7081 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7082 /* allocate local 3 to store the return value */
7083 mono_mb_add_local (mb, sig->ret);
7086 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7087 /* Return type custom marshaling */
7089 * Since we can't determine the return type of the unmanaged function,
7090 * we assume it returns a pointer, and pass that pointer to
7091 * MarshalNativeToManaged.
7093 csig->ret = &mono_defaults.int_class->byval_arg;
7096 /* we first do all conversions */
7097 tmp_locals = alloca (sizeof (int) * sig->param_count);
7098 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7100 for (i = 0; i < sig->param_count; i ++) {
7101 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7104 /* push all arguments */
7107 mono_mb_emit_byte (mb, CEE_LDARG_0);
7110 for (i = 0; i < sig->param_count; i++) {
7111 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7114 /* call the native method */
7115 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7116 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7119 mono_mb_emit_native_call (mb, csig, func);
7122 /* Set LastError if needed */
7123 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7124 if (!get_last_error_sig) {
7125 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7126 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7127 get_last_error_sig->pinvoke = 1;
7130 #ifdef PLATFORM_WIN32
7132 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7133 * clobber its value.
7135 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7136 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7138 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7142 /* convert the result */
7143 if (!sig->ret->byref) {
7144 MonoMarshalSpec *spec = mspecs [0];
7145 type = sig->ret->type;
7147 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7148 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7153 case MONO_TYPE_VOID:
7155 case MONO_TYPE_VALUETYPE:
7156 klass = sig->ret->data.klass;
7157 if (klass->enumtype) {
7158 type = sig->ret->data.klass->enum_basetype->type;
7161 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7175 case MONO_TYPE_FNPTR:
7176 case MONO_TYPE_STRING:
7177 case MONO_TYPE_CLASS:
7178 case MONO_TYPE_OBJECT:
7179 case MONO_TYPE_BOOLEAN:
7180 case MONO_TYPE_ARRAY:
7181 case MONO_TYPE_SZARRAY:
7182 case MONO_TYPE_CHAR:
7184 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7186 case MONO_TYPE_TYPEDBYREF:
7188 g_warning ("return type 0x%02x unknown", sig->ret->type);
7189 g_assert_not_reached ();
7193 mono_mb_emit_stloc (mb, 3);
7197 * Need to call this after converting the result since MONO_VTADDR needs
7198 * to be adjacent to the call instruction.
7200 emit_thread_interrupt_checkpoint (mb);
7202 /* we need to convert byref arguments back and free string arrays */
7203 for (i = 0; i < sig->param_count; i++) {
7204 MonoType *t = sig->params [i];
7205 MonoMarshalSpec *spec = mspecs [i + 1];
7207 argnum = i + sig->hasthis;
7209 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7210 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7215 case MONO_TYPE_STRING:
7216 case MONO_TYPE_VALUETYPE:
7217 case MONO_TYPE_CLASS:
7218 case MONO_TYPE_OBJECT:
7219 case MONO_TYPE_SZARRAY:
7220 case MONO_TYPE_BOOLEAN:
7221 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7226 if (!MONO_TYPE_IS_VOID(sig->ret))
7227 mono_mb_emit_ldloc (mb, 3);
7229 mono_mb_emit_byte (mb, CEE_RET);
7233 * mono_marshal_get_native_wrapper:
7234 * @method: The MonoMethod to wrap.
7236 * generates IL code for the pinvoke wrapper (the generated method
7237 * calls the unmanaged code in piinfo->addr)
7240 mono_marshal_get_native_wrapper (MonoMethod *method)
7242 MonoMethodSignature *sig, *csig;
7243 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7244 MonoMethodBuilder *mb;
7245 MonoMarshalSpec **mspecs;
7248 gboolean pinvoke = FALSE;
7251 const char *exc_class = "MissingMethodException";
7252 const char *exc_arg = NULL;
7254 g_assert (method != NULL);
7255 g_assert (mono_method_signature (method)->pinvoke);
7257 cache = method->klass->image->native_wrapper_cache;
7258 if ((res = mono_marshal_find_in_cache (cache, method)))
7261 if (MONO_CLASS_IS_IMPORT (method->klass))
7262 return cominterop_get_native_wrapper (method);
7264 sig = mono_method_signature (method);
7266 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7267 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7270 if (!piinfo->addr) {
7272 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7274 piinfo->addr = mono_lookup_internal_call (method);
7277 /* hack - redirect certain string constructors to CreateString */
7278 if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
7279 g_assert (!pinvoke);
7280 g_assert (method->string_ctor);
7281 g_assert (sig->hasthis);
7283 /* CreateString returns a value */
7284 csig = signature_dup (method->klass->image, sig);
7285 csig->ret = &mono_defaults.string_class->byval_arg;
7289 while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
7290 if (!strcmp ("CreateString", res->name) &&
7291 mono_metadata_signature_equal (csig, mono_method_signature (res))) {
7293 g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
7294 g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
7296 /* create a wrapper to preserve .ctor in stack trace */
7297 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
7299 mono_mb_emit_byte (mb, CEE_LDARG_0);
7300 for (i = 1; i <= csig->param_count; i++)
7301 mono_mb_emit_ldarg (mb, i);
7302 mono_mb_emit_managed_call (mb, res, NULL);
7303 mono_mb_emit_byte (mb, CEE_RET);
7305 /* use native_wrapper_cache because internal calls are looked up there */
7306 res = mono_mb_create_and_cache (cache, method,
7307 mb, csig, csig->param_count + 1);
7315 /* exception will be thrown */
7316 piinfo->addr = NULL;
7317 g_warning ("cannot find CreateString for .ctor");
7320 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7322 mb->method->save_lmf = 1;
7324 if (!piinfo->addr) {
7325 mono_mb_emit_exception (mb, exc_class, exc_arg);
7326 csig = signature_dup (method->klass->image, sig);
7328 res = mono_mb_create_and_cache (cache, method,
7329 mb, csig, csig->param_count + 16);
7334 /* internal calls: we simply push all arguments and call the method (no conversions) */
7335 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7337 /* hack - string constructors returns a value */
7338 if (method->string_ctor) {
7339 csig = signature_dup (method->klass->image, sig);
7340 csig->ret = &mono_defaults.string_class->byval_arg;
7345 mono_mb_emit_byte (mb, CEE_LDARG_0);
7347 for (i = 0; i < sig->param_count; i++)
7348 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7350 g_assert (piinfo->addr);
7351 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7352 emit_thread_interrupt_checkpoint (mb);
7353 mono_mb_emit_byte (mb, CEE_RET);
7355 csig = signature_dup (method->klass->image, csig);
7357 res = mono_mb_create_and_cache (cache, method,
7358 mb, csig, csig->param_count + 16);
7365 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7366 mono_method_get_marshal_info (method, mspecs);
7368 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
7370 csig = signature_dup (method->klass->image, sig);
7372 res = mono_mb_create_and_cache (cache, method,
7373 mb, csig, csig->param_count + 16);
7376 for (i = sig->param_count; i >= 0; i--)
7378 mono_metadata_free_marshal_spec (mspecs [i]);
7381 /* 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)); */
7387 * mono_marshal_get_native_func_wrapper:
7388 * @sig: The signature of the function
7389 * @func: The native function to wrap
7391 * Returns a wrapper method around native functions, similar to the pinvoke
7395 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
7396 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7398 MonoMethodSignature *csig;
7400 MonoMethodBuilder *mb;
7405 cache = mono_defaults.corlib->native_wrapper_cache;
7406 if ((res = mono_marshal_find_in_cache (cache, func)))
7409 name = g_strdup_printf ("wrapper_native_%p", func);
7410 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7411 mb->method->save_lmf = 1;
7413 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
7415 csig = signature_dup (mb->method->klass->image, sig);
7417 res = mono_mb_create_and_cache (cache, func,
7418 mb, csig, csig->param_count + 16);
7421 /* 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)); */
7427 * generates IL code to call managed methods from unmanaged code
7430 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
7432 static MonoClass *UnmanagedFunctionPointerAttribute;
7433 MonoMethodSignature *sig, *csig, *invoke_sig;
7434 MonoMethodBuilder *mb;
7435 MonoMethod *res, *invoke;
7436 MonoMarshalSpec **mspecs;
7437 MonoMethodPInvoke piinfo;
7440 EmitMarshalContext m;
7442 g_assert (method != NULL);
7443 g_assert (!mono_method_signature (method)->pinvoke);
7446 * FIXME: Should cache the method+delegate type pair, since the same method
7447 * could be called with different delegates, thus different marshalling
7450 cache = method->klass->image->managed_wrapper_cache;
7451 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
7454 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
7455 invoke_sig = mono_method_signature (invoke);
7457 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7458 mono_method_get_marshal_info (invoke, mspecs);
7460 sig = mono_method_signature (method);
7462 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
7464 /* allocate local 0 (pointer) src_ptr */
7465 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7466 /* allocate local 1 (pointer) dst_ptr */
7467 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7468 /* allocate local 2 (boolean) delete_old */
7469 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7471 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7472 /* allocate local 3 to store the return value */
7473 mono_mb_add_local (mb, sig->ret);
7476 mono_mb_emit_icon (mb, 0);
7477 mono_mb_emit_stloc (mb, 2);
7479 /* we copy the signature, so that we can modify it */
7480 csig = signature_dup (method->klass->image, sig);
7490 #ifdef PLATFORM_WIN32
7492 * Under windows, delegates passed to native code must use the STDCALL
7493 * calling convention.
7495 csig->call_convention = MONO_CALL_STDCALL;
7498 /* Change default calling convention if needed */
7499 /* Why is this a modopt ? */
7500 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
7501 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
7502 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
7503 g_assert (cmod_class);
7504 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7505 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7506 csig->call_convention = MONO_CALL_C;
7507 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7508 csig->call_convention = MONO_CALL_STDCALL;
7509 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7510 csig->call_convention = MONO_CALL_FASTCALL;
7511 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7512 csig->call_convention = MONO_CALL_THISCALL;
7517 /* Handle the UnmanagedFunctionPointerAttribute */
7518 if (!UnmanagedFunctionPointerAttribute)
7519 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
7521 /* The attribute is only available in Net 2.0 */
7522 if (UnmanagedFunctionPointerAttribute) {
7523 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
7524 MonoCustomAttrInfo *cinfo;
7527 * The pinvoke attributes are stored in a real custom attribute so we have to
7530 cinfo = mono_custom_attrs_from_class (delegate_klass);
7532 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
7534 memset (&piinfo, 0, sizeof (piinfo));
7536 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
7538 csig->call_convention = attr->call_conv - 1;
7541 mono_custom_attrs_free (cinfo);
7545 /* fixme: howto handle this ? */
7548 mono_mb_emit_ptr (mb, this);
7551 g_assert_not_reached ();
7555 /* we first do all conversions */
7556 tmp_locals = alloca (sizeof (int) * sig->param_count);
7557 for (i = 0; i < sig->param_count; i ++) {
7558 MonoType *t = sig->params [i];
7561 case MONO_TYPE_OBJECT:
7562 case MONO_TYPE_CLASS:
7563 case MONO_TYPE_VALUETYPE:
7564 case MONO_TYPE_ARRAY:
7565 case MONO_TYPE_SZARRAY:
7566 case MONO_TYPE_STRING:
7567 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7576 emit_thread_interrupt_checkpoint (mb);
7578 for (i = 0; i < sig->param_count; i++) {
7579 MonoType *t = sig->params [i];
7581 if (tmp_locals [i]) {
7583 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7585 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7588 mono_mb_emit_ldarg (mb, i);
7591 mono_mb_emit_managed_call (mb, method, NULL);
7593 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7594 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7597 if (!sig->ret->byref) {
7598 switch (sig->ret->type) {
7599 case MONO_TYPE_VOID:
7601 case MONO_TYPE_BOOLEAN:
7615 case MONO_TYPE_OBJECT:
7616 mono_mb_emit_stloc (mb, 3);
7618 case MONO_TYPE_STRING:
7619 csig->ret = &mono_defaults.int_class->byval_arg;
7620 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7622 case MONO_TYPE_VALUETYPE:
7623 case MONO_TYPE_CLASS:
7624 case MONO_TYPE_SZARRAY:
7625 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7628 g_warning ("return type 0x%02x unknown", sig->ret->type);
7629 g_assert_not_reached ();
7632 mono_mb_emit_stloc (mb, 3);
7635 /* Convert byref arguments back */
7636 for (i = 0; i < sig->param_count; i ++) {
7637 MonoType *t = sig->params [i];
7638 MonoMarshalSpec *spec = mspecs [i + 1];
7640 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7641 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7643 else if (t->byref) {
7645 case MONO_TYPE_CLASS:
7646 case MONO_TYPE_VALUETYPE:
7647 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7651 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7652 /* The [Out] information is encoded in the delegate signature */
7654 case MONO_TYPE_SZARRAY:
7655 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7658 g_assert_not_reached ();
7664 mono_mb_emit_ldloc (mb, m.retobj_var);
7665 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7666 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
7667 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
7670 if (!MONO_TYPE_IS_VOID(sig->ret))
7671 mono_mb_emit_ldloc (mb, 3);
7672 mono_mb_emit_byte (mb, CEE_RET);
7676 res = mono_mb_create_and_cache (cache, method,
7677 mb, csig, sig->param_count + 16);
7680 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
7684 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7686 mono_metadata_free_marshal_spec (mspecs [i]);
7689 /* 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)); */
7694 static MonoReflectionType *
7695 type_from_handle (MonoType *handle)
7697 MonoDomain *domain = mono_domain_get ();
7698 MonoClass *klass = mono_class_from_mono_type (handle);
7700 MONO_ARCH_SAVE_REGS;
7702 mono_class_init (klass);
7703 return mono_type_get_object (domain, handle);
7707 * mono_marshal_get_isinst:
7708 * @klass: the type of the field
7710 * This method generates a function which can be used to check if an object is
7711 * an instance of the given type, icluding the case where the object is a proxy.
7712 * The generated function has the following signature:
7713 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
7716 mono_marshal_get_isinst (MonoClass *klass)
7718 static MonoMethodSignature *isint_sig = NULL;
7721 int pos_was_ok, pos_failed, pos_end, pos_end2;
7723 MonoMethodBuilder *mb;
7725 cache = klass->image->isinst_cache;
7726 if ((res = mono_marshal_find_in_cache (cache, klass)))
7730 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7731 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7732 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7733 isint_sig->pinvoke = 0;
7736 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
7737 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
7740 mb->method->save_lmf = 1;
7742 /* check if the object is a proxy that needs special cast */
7743 mono_mb_emit_ldarg (mb, 0);
7744 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7745 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
7746 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7748 /* The result of MONO_ISINST can be:
7749 0) the type check succeeded
7750 1) the type check did not succeed
7751 2) a CanCastTo call is needed */
7753 mono_mb_emit_byte (mb, CEE_DUP);
7754 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7756 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
7757 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
7759 /* get the real proxy from the transparent proxy*/
7761 mono_mb_emit_ldarg (mb, 0);
7762 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7763 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7767 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7768 mono_mb_emit_byte (mb, CEE_LDNULL);
7769 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
7773 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7774 mono_mb_emit_byte (mb, CEE_POP);
7775 mono_mb_emit_ldarg (mb, 0);
7779 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7780 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
7781 mono_mb_emit_byte (mb, CEE_RET);
7783 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7790 * mono_marshal_get_castclass:
7791 * @klass: the type of the field
7793 * This method generates a function which can be used to cast an object to
7794 * an instance of the given type, icluding the case where the object is a proxy.
7795 * The generated function has the following signature:
7796 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
7799 mono_marshal_get_castclass (MonoClass *klass)
7801 static MonoMethodSignature *castclass_sig = NULL;
7804 int pos_was_ok, pos_was_ok2;
7806 MonoMethodBuilder *mb;
7808 cache = klass->image->castclass_cache;
7809 if ((res = mono_marshal_find_in_cache (cache, klass)))
7812 if (!castclass_sig) {
7813 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7814 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
7815 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
7816 castclass_sig->pinvoke = 0;
7819 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
7820 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
7823 mb->method->save_lmf = 1;
7825 /* check if the object is a proxy that needs special cast */
7826 mono_mb_emit_ldarg (mb, 0);
7827 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7828 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
7829 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7831 /* The result of MONO_ISINST can be:
7832 0) the cast is valid
7833 1) cast of unknown proxy type
7834 or an exception if the cast is is invalid
7837 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7839 /* get the real proxy from the transparent proxy*/
7841 mono_mb_emit_ldarg (mb, 0);
7842 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7843 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7846 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
7849 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7850 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
7851 mono_mb_emit_ldarg (mb, 0);
7854 mono_mb_emit_byte (mb, CEE_RET);
7856 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
7863 mono_marshal_get_proxy_cancast (MonoClass *klass)
7865 static MonoMethodSignature *isint_sig = NULL;
7868 int pos_failed, pos_end;
7870 MonoMethod *can_cast_to;
7871 MonoMethodDesc *desc;
7872 MonoMethodBuilder *mb;
7874 cache = klass->image->proxy_isinst_cache;
7875 if ((res = mono_marshal_find_in_cache (cache, klass)))
7879 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7880 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7881 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7882 isint_sig->pinvoke = 0;
7885 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
7886 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
7889 mb->method->save_lmf = 1;
7891 /* get the real proxy from the transparent proxy*/
7892 mono_mb_emit_ldarg (mb, 0);
7893 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
7894 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7896 /* get the reflection type from the type handle */
7897 mono_mb_emit_ptr (mb, &klass->byval_arg);
7898 mono_mb_emit_icall (mb, type_from_handle);
7900 mono_mb_emit_ldarg (mb, 0);
7902 /* make the call to CanCastTo (type, ob) */
7903 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
7904 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
7905 g_assert (can_cast_to);
7906 mono_method_desc_free (desc);
7907 mono_mb_emit_byte (mb, CEE_CALLVIRT);
7908 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
7911 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
7913 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
7914 mono_mb_emit_ptr (mb, &klass->byval_arg);
7915 mono_mb_emit_icall (mb, type_from_handle);
7916 mono_mb_emit_ldarg (mb, 0);
7918 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
7919 emit_thread_interrupt_checkpoint (mb);
7921 mono_mb_emit_ldarg (mb, 0);
7922 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7926 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7927 mono_mb_emit_byte (mb, CEE_LDNULL);
7931 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7932 mono_mb_emit_byte (mb, CEE_RET);
7934 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7941 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
7944 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
7945 klass = mono_class_from_mono_type (rtype->type);
7946 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
7950 * mono_marshal_get_struct_to_ptr:
7953 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
7956 mono_marshal_get_struct_to_ptr (MonoClass *klass)
7958 MonoMethodBuilder *mb;
7959 static MonoMethod *stoptr = NULL;
7962 g_assert (klass != NULL);
7964 mono_marshal_load_type_info (klass);
7966 if (klass->marshal_info->str_to_ptr)
7967 return klass->marshal_info->str_to_ptr;
7970 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
7973 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
7975 if (klass->blittable) {
7976 mono_mb_emit_byte (mb, CEE_LDARG_1);
7977 mono_mb_emit_byte (mb, CEE_LDARG_0);
7978 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7979 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7980 mono_mb_emit_byte (mb, CEE_PREFIX1);
7981 mono_mb_emit_byte (mb, CEE_CPBLK);
7984 /* allocate local 0 (pointer) src_ptr */
7985 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7986 /* allocate local 1 (pointer) dst_ptr */
7987 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7988 /* allocate local 2 (boolean) delete_old */
7989 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7990 mono_mb_emit_byte (mb, CEE_LDARG_2);
7991 mono_mb_emit_stloc (mb, 2);
7993 /* initialize src_ptr to point to the start of object data */
7994 mono_mb_emit_byte (mb, CEE_LDARG_0);
7995 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7996 mono_mb_emit_stloc (mb, 0);
7998 /* initialize dst_ptr */
7999 mono_mb_emit_byte (mb, CEE_LDARG_1);
8000 mono_mb_emit_stloc (mb, 1);
8002 emit_struct_conv (mb, klass, FALSE);
8005 mono_mb_emit_byte (mb, CEE_RET);
8007 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
8010 klass->marshal_info->str_to_ptr = res;
8015 * mono_marshal_get_ptr_to_struct:
8018 * generates IL code for PtrToStructure (IntPtr src, object structure)
8021 mono_marshal_get_ptr_to_struct (MonoClass *klass)
8023 MonoMethodBuilder *mb;
8024 static MonoMethodSignature *ptostr = NULL;
8027 g_assert (klass != NULL);
8029 mono_marshal_load_type_info (klass);
8031 if (klass->marshal_info->ptr_to_str)
8032 return klass->marshal_info->ptr_to_str;
8035 /* Create the signature corresponding to
8036 static void PtrToStructure (IntPtr ptr, object structure);
8037 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
8038 ptostr = mono_create_icall_signature ("void ptr object");
8040 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
8042 if (klass->blittable) {
8043 mono_mb_emit_byte (mb, CEE_LDARG_1);
8044 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8045 mono_mb_emit_byte (mb, CEE_LDARG_0);
8046 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8047 mono_mb_emit_byte (mb, CEE_PREFIX1);
8048 mono_mb_emit_byte (mb, CEE_CPBLK);
8051 /* allocate local 0 (pointer) src_ptr */
8052 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8053 /* allocate local 1 (pointer) dst_ptr */
8054 mono_mb_add_local (mb, &klass->this_arg);
8056 /* initialize src_ptr to point to the start of object data */
8057 mono_mb_emit_byte (mb, CEE_LDARG_0);
8058 mono_mb_emit_stloc (mb, 0);
8060 /* initialize dst_ptr */
8061 mono_mb_emit_byte (mb, CEE_LDARG_1);
8062 mono_mb_emit_byte (mb, CEE_UNBOX);
8063 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
8064 mono_mb_emit_stloc (mb, 1);
8066 emit_struct_conv (mb, klass, TRUE);
8069 mono_mb_emit_byte (mb, CEE_RET);
8071 res = mono_mb_create_method (mb, ptostr, 0);
8074 klass->marshal_info->ptr_to_str = res;
8079 * generates IL code for the synchronized wrapper: the generated method
8080 * calls METHOD while locking 'this' or the parent type.
8083 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8085 static MonoMethod *enter_method, *exit_method;
8086 MonoMethodSignature *sig;
8087 MonoExceptionClause *clause;
8088 MonoMethodHeader *header;
8089 MonoMethodBuilder *mb;
8092 int i, pos, this_local, ret_local = 0;
8096 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8099 cache = method->klass->image->synchronized_cache;
8100 if ((res = mono_marshal_find_in_cache (cache, method)))
8103 sig = signature_dup (method->klass->image, mono_method_signature (method));
8106 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8109 if (!MONO_TYPE_IS_VOID (sig->ret))
8110 ret_local = mono_mb_add_local (mb, sig->ret);
8113 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8115 mono_loader_lock ();
8116 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
8117 mono_loader_unlock ();
8118 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8120 if (!enter_method) {
8121 MonoMethodDesc *desc;
8123 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8124 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8125 g_assert (enter_method);
8126 mono_method_desc_free (desc);
8127 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8128 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8129 g_assert (exit_method);
8130 mono_method_desc_free (desc);
8133 /* Push this or the type object */
8134 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8136 * GetTypeFromHandle isn't called as a managed method because it has
8137 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
8138 * transformed into something else by the JIT.
8140 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
8141 mono_mb_emit_icall (mb, type_from_handle);
8144 mono_mb_emit_ldarg (mb, 0);
8145 mono_mb_emit_stloc (mb, this_local);
8147 /* Call Monitor::Enter() */
8148 mono_mb_emit_ldloc (mb, this_local);
8149 mono_mb_emit_managed_call (mb, enter_method, NULL);
8151 clause->try_offset = mb->pos;
8153 /* Call the method */
8155 mono_mb_emit_ldarg (mb, 0);
8156 for (i = 0; i < sig->param_count; i++)
8157 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8159 /* this is needed to avoid recursion */
8160 mono_mb_emit_byte (mb, CEE_PREFIX1);
8161 mono_mb_emit_byte (mb, CEE_LDFTN);
8162 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
8163 mono_mb_emit_calli (mb, mono_method_signature (method));
8165 if (!MONO_TYPE_IS_VOID (sig->ret))
8166 mono_mb_emit_stloc (mb, ret_local);
8168 mono_mb_emit_byte (mb, CEE_LEAVE);
8170 mono_mb_emit_i4 (mb, 0);
8172 clause->try_len = mb->pos - clause->try_offset;
8173 clause->handler_offset = mb->pos;
8175 /* Call Monitor::Exit() */
8176 mono_mb_emit_ldloc (mb, this_local);
8177 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
8178 mono_mb_emit_managed_call (mb, exit_method, NULL);
8179 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8181 clause->handler_len = mb->pos - clause->handler_offset;
8183 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
8184 if (!MONO_TYPE_IS_VOID (sig->ret))
8185 mono_mb_emit_ldloc (mb, ret_local);
8186 mono_mb_emit_byte (mb, CEE_RET);
8188 res = mono_mb_create_and_cache (cache, method,
8189 mb, sig, sig->param_count + 16);
8192 header = ((MonoMethodNormal *)res)->header;
8193 header->num_clauses = 1;
8194 header->clauses = clause;
8201 * the returned method calls 'method' unboxing the this argument
8204 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8206 MonoMethodSignature *sig = mono_method_signature (method);
8208 MonoMethodBuilder *mb;
8212 cache = method->klass->image->unbox_wrapper_cache;
8213 if ((res = mono_marshal_find_in_cache (cache, method)))
8216 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8218 g_assert (sig->hasthis);
8220 mono_mb_emit_ldarg (mb, 0);
8221 mono_mb_emit_icon (mb, sizeof (MonoObject));
8222 mono_mb_emit_byte (mb, CEE_ADD);
8223 for (i = 0; i < sig->param_count; ++i)
8224 mono_mb_emit_ldarg (mb, i + 1);
8225 mono_mb_emit_managed_call (mb, method, NULL);
8226 mono_mb_emit_byte (mb, CEE_RET);
8228 res = mono_mb_create_and_cache (cache, method,
8229 mb, sig, sig->param_count + 16);
8232 /* 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)); */
8238 mono_marshal_get_stelemref ()
8240 static MonoMethod* ret = NULL;
8241 MonoMethodSignature *sig;
8242 MonoMethodBuilder *mb;
8244 guint32 b1, b2, b3, b4;
8247 int array_slot_addr;
8252 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8255 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8257 /* void stelemref (void* array, int idx, void* value) */
8258 sig->ret = &mono_defaults.void_class->byval_arg;
8259 sig->params [0] = &mono_defaults.object_class->byval_arg;
8260 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8261 sig->params [2] = &mono_defaults.object_class->byval_arg;
8263 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8264 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8265 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8269 <ldelema (bound check)>
8273 aklass = array->vtable->klass->element_class;
8274 vklass = value->vtable->klass;
8276 if (vklass->idepth < aklass->idepth)
8279 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8283 *array_slot_addr = value;
8287 if (mono_object_isinst (value, aklass))
8290 throw new ArrayTypeMismatchException ();
8293 /* ldelema (implicit bound check) */
8294 mono_mb_emit_ldarg (mb, 0);
8295 mono_mb_emit_ldarg (mb, 1);
8296 mono_mb_emit_byte (mb, CEE_LDELEMA);
8297 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
8298 mono_mb_emit_stloc (mb, array_slot_addr);
8300 /* if (!value) goto do_store */
8301 mono_mb_emit_ldarg (mb, 2);
8302 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8304 /* aklass = array->vtable->klass->element_class */
8305 mono_mb_emit_ldarg (mb, 0);
8306 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8307 mono_mb_emit_byte (mb, CEE_LDIND_I);
8308 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8309 mono_mb_emit_byte (mb, CEE_LDIND_I);
8310 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
8311 mono_mb_emit_byte (mb, CEE_LDIND_I);
8312 mono_mb_emit_stloc (mb, aklass);
8314 /* vklass = value->vtable->klass */
8315 mono_mb_emit_ldarg (mb, 2);
8316 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8317 mono_mb_emit_byte (mb, CEE_LDIND_I);
8318 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8319 mono_mb_emit_byte (mb, CEE_LDIND_I);
8320 mono_mb_emit_stloc (mb, vklass);
8322 /* if (vklass->idepth < aklass->idepth) goto failue */
8323 mono_mb_emit_ldloc (mb, vklass);
8324 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8325 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8327 mono_mb_emit_ldloc (mb, aklass);
8328 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8329 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8331 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
8333 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
8334 mono_mb_emit_ldloc (mb, vklass);
8335 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
8336 mono_mb_emit_byte (mb, CEE_LDIND_I);
8338 mono_mb_emit_ldloc (mb, aklass);
8339 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8340 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8341 mono_mb_emit_icon (mb, 1);
8342 mono_mb_emit_byte (mb, CEE_SUB);
8343 mono_mb_emit_icon (mb, sizeof (void*));
8344 mono_mb_emit_byte (mb, CEE_MUL);
8345 mono_mb_emit_byte (mb, CEE_ADD);
8346 mono_mb_emit_byte (mb, CEE_LDIND_I);
8348 mono_mb_emit_ldloc (mb, aklass);
8350 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
8354 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
8355 mono_mb_emit_ldloc (mb, array_slot_addr);
8356 mono_mb_emit_ldarg (mb, 2);
8357 mono_mb_emit_byte (mb, CEE_STIND_REF);
8359 mono_mb_emit_byte (mb, CEE_RET);
8362 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
8363 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
8365 mono_mb_emit_ldarg (mb, 2);
8366 mono_mb_emit_ldloc (mb, aklass);
8367 mono_mb_emit_icall (mb, mono_object_isinst);
8369 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8370 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
8371 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
8373 mono_mb_emit_byte (mb, CEE_RET);
8374 ret = mono_mb_create_method (mb, sig, 4);
8380 mono_marshal_get_write_barrier (void)
8382 static MonoMethod* ret = NULL;
8383 MonoMethodSignature *sig;
8384 MonoMethodBuilder *mb;
8390 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
8392 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
8394 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
8395 sig->ret = &mono_defaults.void_class->byval_arg;
8396 sig->params [0] = &mono_defaults.object_class->this_arg;
8397 sig->params [1] = &mono_defaults.object_class->byval_arg;
8399 /* just the store right now: add an hook for the GC to use, maybe something
8400 * that can be used for stelemref as well
8401 * We need a write barrier variant to be used with struct copies as well, though
8402 * there are also other approaches possible, like writing a wrapper specific to
8403 * the struct or to the reference pattern in the struct...
8404 * Depending on the GC, we may want variants that take the object we store to
8405 * when it is available.
8407 mono_mb_emit_ldarg (mb, 0);
8408 mono_mb_emit_ldarg (mb, 1);
8409 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
8410 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
8412 mono_mb_emit_byte (mb, CEE_RET);
8414 ret = mono_mb_create_method (mb, sig, max_stack);
8420 mono_marshal_alloc (gulong size)
8424 #ifdef PLATFORM_WIN32
8425 res = CoTaskMemAlloc (size);
8427 res = g_try_malloc ((gulong)size);
8429 mono_gc_out_of_memory ((gulong)size);
8435 mono_marshal_free (gpointer ptr)
8437 #ifdef PLATFORM_WIN32
8438 CoTaskMemFree (ptr);
8445 mono_marshal_free_array (gpointer *ptr, int size)
8452 for (i = 0; i < size; i++)
8458 mono_marshal_realloc (gpointer ptr, gpointer size)
8460 MONO_ARCH_SAVE_REGS;
8462 return g_try_realloc (ptr, (gulong)size);
8466 mono_marshal_string_to_utf16 (MonoString *s)
8468 return s ? mono_string_chars (s) : NULL;
8472 * mono_marshal_set_last_error:
8474 * This function is invoked to set the last error value from a P/Invoke call
8475 * which has SetLastError set.
8478 mono_marshal_set_last_error (void)
8481 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
8483 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
8488 mono_marshal_set_last_error_windows (int error)
8491 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
8496 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
8497 gpointer dest, gint32 length)
8502 MONO_ARCH_SAVE_REGS;
8504 MONO_CHECK_ARG_NULL (src);
8505 MONO_CHECK_ARG_NULL (dest);
8507 g_assert (src->obj.vtable->klass->rank == 1);
8508 g_assert (start_index >= 0);
8509 g_assert (length >= 0);
8510 g_assert (start_index + length <= mono_array_length (src));
8512 element_size = mono_array_element_size (src->obj.vtable->klass);
8514 /* no references should be involved */
8515 source_addr = mono_array_addr_with_size (src, element_size, start_index);
8517 memcpy (dest, source_addr, length * element_size);
8521 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
8522 MonoArray *dest, gint32 length)
8527 MONO_ARCH_SAVE_REGS;
8529 MONO_CHECK_ARG_NULL (src);
8530 MONO_CHECK_ARG_NULL (dest);
8532 g_assert (dest->obj.vtable->klass->rank == 1);
8533 g_assert (start_index >= 0);
8534 g_assert (length >= 0);
8535 g_assert (start_index + length <= mono_array_length (dest));
8537 element_size = mono_array_element_size (dest->obj.vtable->klass);
8539 /* no references should be involved */
8540 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
8542 memcpy (dest_addr, src, length * element_size);
8545 #if NO_UNALIGNED_ACCESS
8546 #define RETURN_UNALIGNED(type, addr) \
8549 memcpy(&val, p + offset, sizeof(val)); \
8552 #define WRITE_UNALIGNED(type, addr, val) \
8553 memcpy(addr, &val, sizeof(type))
8555 #define RETURN_UNALIGNED(type, addr) \
8556 return *(type*)(p + offset);
8557 #define WRITE_UNALIGNED(type, addr, val) \
8558 (*(type *)(addr) = (val))
8562 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
8566 MONO_ARCH_SAVE_REGS;
8568 RETURN_UNALIGNED(gpointer, p + offset);
8572 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
8576 MONO_ARCH_SAVE_REGS;
8578 return *(unsigned char*)(p + offset);
8582 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
8586 MONO_ARCH_SAVE_REGS;
8588 RETURN_UNALIGNED(gint16, p + offset);
8592 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
8596 MONO_ARCH_SAVE_REGS;
8598 RETURN_UNALIGNED(gint32, p + offset);
8602 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
8606 MONO_ARCH_SAVE_REGS;
8608 RETURN_UNALIGNED(gint64, p + offset);
8612 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
8616 MONO_ARCH_SAVE_REGS;
8618 *(unsigned char*)(p + offset) = val;
8622 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
8626 MONO_ARCH_SAVE_REGS;
8628 WRITE_UNALIGNED(gpointer, p + offset, val);
8632 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
8636 MONO_ARCH_SAVE_REGS;
8638 WRITE_UNALIGNED(gint16, p + offset, val);
8642 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
8646 MONO_ARCH_SAVE_REGS;
8648 WRITE_UNALIGNED(gint32, p + offset, val);
8652 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
8656 MONO_ARCH_SAVE_REGS;
8658 WRITE_UNALIGNED(gint64, p + offset, val);
8662 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
8664 MONO_ARCH_SAVE_REGS;
8669 return mono_string_new (mono_domain_get (), ptr);
8673 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
8675 MONO_ARCH_SAVE_REGS;
8678 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8679 g_assert_not_reached ();
8682 return mono_string_new_len (mono_domain_get (), ptr, len);
8686 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
8688 MonoDomain *domain = mono_domain_get ();
8692 MONO_ARCH_SAVE_REGS;
8700 return mono_string_new_utf16 (domain, ptr, len);
8704 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
8706 MonoDomain *domain = mono_domain_get ();
8708 MONO_ARCH_SAVE_REGS;
8711 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8712 g_assert_not_reached ();
8715 return mono_string_new_utf16 (domain, ptr, len);
8719 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
8721 MONO_ARCH_SAVE_REGS;
8723 return mono_string_from_bstr(ptr);
8727 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
8729 MONO_ARCH_SAVE_REGS;
8731 return mono_string_to_bstr(ptr);
8737 int (__attribute__((stdcall)) *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
8738 int (__attribute__((stdcall)) *AddRef)(gpointer pUnk);
8739 int (__attribute__((stdcall)) *Release)(gpointer pUnk);
8744 int (__stdcall *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
8745 int (__stdcall *AddRef)(gpointer pUnk);
8746 int (__stdcall *Release)(gpointer pUnk);
8752 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
8754 MONO_ARCH_SAVE_REGS;
8756 mono_free_bstr (ptr);
8760 ves_icall_System_Runtime_InteropServices_Marshal_AddRef (gpointer pUnk)
8762 MONO_ARCH_SAVE_REGS;
8764 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
8768 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterface (gpointer pUnk, gpointer riid, gpointer* ppv)
8770 MONO_ARCH_SAVE_REGS;
8772 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
8776 ves_icall_System_Runtime_InteropServices_Marshal_Release (gpointer pUnk)
8778 MONO_ARCH_SAVE_REGS;
8780 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
8784 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
8786 MONO_ARCH_SAVE_REGS;
8788 return cominterop_get_com_slot_for_method (m->method);
8792 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
8794 MONO_ARCH_SAVE_REGS;
8796 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
8800 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
8806 MONO_ARCH_SAVE_REGS;
8808 MONO_CHECK_ARG_NULL (rtype);
8811 klass = mono_class_from_mono_type (type);
8812 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
8814 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8818 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
8819 exc = mono_get_exception_argument ("t", msg);
8821 mono_raise_exception (exc);
8825 return mono_class_native_size (klass, NULL);
8829 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
8834 MONO_ARCH_SAVE_REGS;
8836 MONO_CHECK_ARG_NULL (obj);
8837 MONO_CHECK_ARG_NULL (dst);
8839 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
8843 pa [2] = &delete_old;
8845 mono_runtime_invoke (method, NULL, pa, NULL);
8849 ptr_to_structure (gpointer src, MonoObject *dst)
8854 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
8859 mono_runtime_invoke (method, NULL, pa, NULL);
8863 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
8867 MONO_ARCH_SAVE_REGS;
8869 MONO_CHECK_ARG_NULL (src);
8870 MONO_CHECK_ARG_NULL (dst);
8872 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
8874 if (t->type == MONO_TYPE_VALUETYPE) {
8878 tmp = g_strdup_printf ("Destination is a boxed value type.");
8879 exc = mono_get_exception_argument ("dst", tmp);
8882 mono_raise_exception (exc);
8886 ptr_to_structure (src, dst);
8890 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
8892 MonoDomain *domain = mono_domain_get ();
8895 MONO_ARCH_SAVE_REGS;
8897 MONO_CHECK_ARG_NULL (src);
8898 MONO_CHECK_ARG_NULL (type);
8900 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
8902 ptr_to_structure (src, res);
8908 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
8910 MonoMarshalType *info;
8913 int match_index = -1;
8915 MONO_ARCH_SAVE_REGS;
8917 MONO_CHECK_ARG_NULL (type);
8918 MONO_CHECK_ARG_NULL (field_name);
8920 fname = mono_string_to_utf8 (field_name);
8921 klass = mono_class_from_mono_type (type->type);
8923 while (klass && match_index == -1) {
8924 MonoClassField* field;
8926 gpointer iter = NULL;
8927 while ((field = mono_class_get_fields (klass, &iter))) {
8928 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8930 if (!strcmp (fname, field->name)) {
8937 if (match_index == -1)
8938 klass = klass->parent;
8943 if(match_index == -1) {
8947 /* Get back original class instance */
8948 klass = mono_class_from_mono_type (type->type);
8950 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
8951 exc = mono_get_exception_argument ("fieldName", tmp);
8954 mono_raise_exception ((MonoException*)exc);
8957 info = mono_marshal_load_type_info (klass);
8958 return info->fields [match_index].offset;
8962 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
8964 MONO_ARCH_SAVE_REGS;
8966 return mono_string_to_utf8 (string);
8970 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
8972 MONO_ARCH_SAVE_REGS;
8977 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
8978 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
8979 res [mono_string_length (string)] = 0;
8985 mono_struct_delete_old (MonoClass *klass, char *ptr)
8987 MonoMarshalType *info;
8990 info = mono_marshal_load_type_info (klass);
8992 for (i = 0; i < info->num_fields; i++) {
8993 MonoMarshalNative ntype;
8994 MonoMarshalConv conv;
8995 MonoType *ftype = info->fields [i].field->type;
8998 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
9001 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
9002 klass->unicode, &conv);
9004 cpos = ptr + info->fields [i].offset;
9007 case MONO_MARSHAL_CONV_NONE:
9008 if (MONO_TYPE_ISSTRUCT (ftype)) {
9009 mono_struct_delete_old (ftype->data.klass, cpos);
9013 case MONO_MARSHAL_CONV_STR_LPWSTR:
9014 /* We assume this field points inside a MonoString */
9016 case MONO_MARSHAL_CONV_STR_LPSTR:
9017 case MONO_MARSHAL_CONV_STR_LPTSTR:
9018 case MONO_MARSHAL_CONV_STR_BSTR:
9019 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
9020 case MONO_MARSHAL_CONV_STR_TBSTR:
9021 mono_marshal_free (*(gpointer *)cpos);
9030 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
9034 MONO_ARCH_SAVE_REGS;
9036 MONO_CHECK_ARG_NULL (src);
9037 MONO_CHECK_ARG_NULL (type);
9039 klass = mono_class_from_mono_type (type->type);
9041 mono_struct_delete_old (klass, (char *)src);
9045 /* FIXME: on win32 we should probably use GlobalAlloc(). */
9047 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9051 MONO_ARCH_SAVE_REGS;
9053 if ((gulong)size == 0)
9054 /* This returns a valid pointer for size 0 on MS.NET */
9057 res = g_try_malloc ((gulong)size);
9059 mono_gc_out_of_memory ((gulong)size);
9065 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9067 MONO_ARCH_SAVE_REGS;
9073 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9075 MONO_ARCH_SAVE_REGS;
9077 #ifdef PLATFORM_WIN32
9078 return CoTaskMemAlloc (size);
9080 return g_try_malloc ((gulong)size);
9085 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9087 MONO_ARCH_SAVE_REGS;
9089 #ifdef PLATFORM_WIN32
9090 CoTaskMemFree (ptr);
9097 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9099 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9103 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9105 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9108 /* Only used for COM RCWs */
9110 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
9115 MONO_ARCH_SAVE_REGS;
9117 domain = mono_object_domain (type);
9118 klass = mono_class_from_mono_type (type->type);
9120 /* call mono_object_new_alloc_specific instead of mono_object_new
9121 * because we want to actually create object. mono_object_new checks
9122 * to see if type is import and creates transparent proxy. this method
9123 * is called by the corresponding real proxy to create the real RCW.
9125 return mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
9129 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
9131 ves_icall_System_Runtime_InteropServices_Marshal_Release (value);
9136 ves_icall_System_ComObject_Finalizer(MonoComObject* obj)
9139 g_assert(obj->itf_hash);
9140 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
9143 #define MONO_IUNKNOWN_INTERFACE_SLOT 0
9146 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
9150 g_assert(obj->itf_hash);
9152 klass = mono_class_from_mono_type (type->type);
9154 return g_hash_table_lookup (obj->itf_hash, klass->interface_id);
9158 ves_icall_System_ComObject_CacheInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
9162 g_assert(obj->itf_hash);
9164 klass = mono_class_from_mono_type (type->type);
9166 g_hash_table_insert (obj->itf_hash, klass->interface_id, pItf);
9170 ves_icall_System_ComObject_GetIUnknown (MonoComObject* obj)
9173 g_assert(obj->itf_hash);
9174 return g_hash_table_lookup (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT);
9178 ves_icall_System_ComObject_SetIUnknown (MonoComObject* obj, gpointer pUnk)
9181 g_assert(!obj->itf_hash);
9182 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
9183 g_hash_table_insert (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT, pUnk);
9187 mono_marshal_load_type_info (MonoClass* klass)
9190 guint32 native_size = 0, min_align = 1;
9191 MonoMarshalType *info;
9192 MonoClassField* field;
9196 g_assert (klass != NULL);
9198 if (klass->marshal_info)
9199 return klass->marshal_info;
9202 mono_class_init (klass);
9205 while ((field = mono_class_get_fields (klass, &iter))) {
9206 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9208 if (mono_field_is_deleted (field))
9213 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
9215 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
9216 info->num_fields = count;
9218 /* Try to find a size for this type in metadata */
9219 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
9221 if (klass->parent) {
9222 int parent_size = mono_class_native_size (klass->parent, NULL);
9224 /* Add parent size to real size */
9225 native_size += parent_size;
9226 info->native_size = parent_size;
9231 while ((field = mono_class_get_fields (klass, &iter))) {
9235 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9238 if (mono_field_is_deleted (field))
9240 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
9241 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
9242 NULL, NULL, &info->fields [j].mspec);
9244 info->fields [j].field = field;
9246 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
9247 (strcmp (field->name, "$PRIVATE$") == 0)) {
9248 /* This field is a hack inserted by MCS to empty structures */
9253 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
9254 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
9255 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9256 &align, TRUE, klass->unicode);
9257 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9258 min_align = MAX (align, min_align);
9259 info->fields [j].offset = info->native_size;
9260 info->fields [j].offset += align - 1;
9261 info->fields [j].offset &= ~(align - 1);
9262 info->native_size = info->fields [j].offset + size;
9264 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
9265 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9266 &align, TRUE, klass->unicode);
9267 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9268 min_align = MAX (align, min_align);
9269 info->fields [j].offset = field->offset - sizeof (MonoObject);
9270 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
9276 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9277 info->native_size = MAX (native_size, info->native_size);
9280 if (info->native_size & (min_align - 1)) {
9281 info->native_size += min_align - 1;
9282 info->native_size &= ~(min_align - 1);
9285 /* Update the class's blittable info, if the layouts don't match */
9286 if (info->native_size != mono_class_value_size (klass, NULL))
9287 klass->blittable = FALSE;
9289 /* If this is an array type, ensure that we have element info */
9290 if (klass->element_class) {
9291 mono_marshal_load_type_info (klass->element_class);
9294 return klass->marshal_info;
9298 * mono_class_native_size:
9301 * Returns: the native size of an object instance (when marshaled
9302 * to unmanaged code)
9305 mono_class_native_size (MonoClass *klass, guint32 *align)
9307 if (!klass->marshal_info)
9308 mono_marshal_load_type_info (klass);
9311 *align = klass->min_align;
9313 return klass->marshal_info->native_size;
9317 * mono_type_native_stack_size:
9318 * @t: the type to return the size it uses on the stack
9320 * Returns: the number of bytes required to hold an instance of this
9321 * type on the native stack
9324 mono_type_native_stack_size (MonoType *t, guint32 *align)
9328 g_assert (t != NULL);
9339 case MONO_TYPE_BOOLEAN:
9340 case MONO_TYPE_CHAR:
9349 case MONO_TYPE_STRING:
9350 case MONO_TYPE_OBJECT:
9351 case MONO_TYPE_CLASS:
9352 case MONO_TYPE_SZARRAY:
9354 case MONO_TYPE_FNPTR:
9355 case MONO_TYPE_ARRAY:
9356 case MONO_TYPE_TYPEDBYREF:
9367 case MONO_TYPE_VALUETYPE: {
9370 if (t->data.klass->enumtype)
9371 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
9373 size = mono_class_native_size (t->data.klass, align);
9374 *align = *align + 3;
9384 g_error ("type 0x%02x unknown", t->type);
9389 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
9390 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
9391 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
9392 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
9395 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
9396 gboolean as_field, gboolean unicode)
9398 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
9401 switch (native_type) {
9402 case MONO_NATIVE_BOOLEAN:
9405 case MONO_NATIVE_I1:
9406 case MONO_NATIVE_U1:
9409 case MONO_NATIVE_I2:
9410 case MONO_NATIVE_U2:
9411 case MONO_NATIVE_VARIANTBOOL:
9414 case MONO_NATIVE_I4:
9415 case MONO_NATIVE_U4:
9416 case MONO_NATIVE_ERROR:
9419 case MONO_NATIVE_I8:
9420 case MONO_NATIVE_U8:
9421 *align = ALIGNMENT(guint64);
9423 case MONO_NATIVE_R4:
9426 case MONO_NATIVE_R8:
9427 *align = ALIGNMENT(double);
9429 case MONO_NATIVE_INT:
9430 case MONO_NATIVE_UINT:
9431 case MONO_NATIVE_LPSTR:
9432 case MONO_NATIVE_LPWSTR:
9433 case MONO_NATIVE_LPTSTR:
9434 case MONO_NATIVE_BSTR:
9435 case MONO_NATIVE_ANSIBSTR:
9436 case MONO_NATIVE_TBSTR:
9437 case MONO_NATIVE_LPARRAY:
9438 case MONO_NATIVE_SAFEARRAY:
9439 case MONO_NATIVE_IUNKNOWN:
9440 case MONO_NATIVE_IDISPATCH:
9441 case MONO_NATIVE_INTERFACE:
9442 case MONO_NATIVE_ASANY:
9443 case MONO_NATIVE_FUNC:
9444 case MONO_NATIVE_LPSTRUCT:
9445 *align = ALIGNMENT(gpointer);
9446 return sizeof (gpointer);
9447 case MONO_NATIVE_STRUCT:
9448 klass = mono_class_from_mono_type (type);
9449 return mono_class_native_size (klass, align);
9450 case MONO_NATIVE_BYVALTSTR: {
9451 int esize = unicode ? 2: 1;
9454 return mspec->data.array_data.num_elem * esize;
9456 case MONO_NATIVE_BYVALARRAY: {
9457 // FIXME: Have to consider ArraySubType
9459 klass = mono_class_from_mono_type (type);
9460 if (klass->element_class == mono_defaults.char_class) {
9461 esize = unicode ? 2 : 1;
9464 esize = mono_class_native_size (klass->element_class, align);
9467 return mspec->data.array_data.num_elem * esize;
9469 case MONO_NATIVE_CUSTOM:
9470 g_assert_not_reached ();
9472 case MONO_NATIVE_CURRENCY:
9473 case MONO_NATIVE_VBBYREFSTR:
9475 g_error ("native type %02x not implemented", native_type);
9478 g_assert_not_reached ();
9483 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
9491 t = &o->vtable->klass->byval_arg;
9498 case MONO_TYPE_BOOLEAN:
9501 case MONO_TYPE_CHAR:
9506 return mono_object_unbox (o);
9508 case MONO_TYPE_STRING:
9509 switch (string_encoding) {
9510 case MONO_NATIVE_LPWSTR:
9511 return mono_string_to_utf16 ((MonoString*)o);
9513 case MONO_NATIVE_LPSTR:
9514 return mono_string_to_lpstr ((MonoString*)o);
9517 g_warning ("marshaling conversion %d not implemented", string_encoding);
9518 g_assert_not_reached ();
9521 case MONO_TYPE_CLASS:
9522 case MONO_TYPE_VALUETYPE: {
9526 MonoBoolean delete_old = FALSE;
9528 klass = t->data.klass;
9530 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
9533 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9534 klass->blittable || klass->enumtype))
9535 return mono_object_unbox (o);
9537 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
9539 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9540 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
9544 pa [2] = &delete_old;
9546 mono_runtime_invoke (method, NULL, pa, NULL);
9553 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
9559 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
9567 t = &o->vtable->klass->byval_arg;
9569 case MONO_TYPE_STRING:
9570 switch (string_encoding) {
9571 case MONO_NATIVE_LPWSTR:
9572 case MONO_NATIVE_LPSTR:
9573 mono_marshal_free (ptr);
9576 g_warning ("marshaling conversion %d not implemented", string_encoding);
9577 g_assert_not_reached ();
9580 case MONO_TYPE_CLASS:
9581 case MONO_TYPE_VALUETYPE: {
9582 klass = t->data.klass;
9584 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9585 klass->blittable || klass->enumtype))
9588 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
9589 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
9595 mono_runtime_invoke (method, NULL, pa, NULL);
9598 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9599 mono_struct_delete_old (klass, ptr);
9602 mono_marshal_free (ptr);