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/os/gc_wrapper.h>
30 /* #define DEBUG_RUNTIME_CODE */
32 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
36 MONO_MARSHAL_NONE, /* No marshalling needed */
37 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
38 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
39 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
40 } MonoXDomainMarshalType;
43 #include "mono/cil/opcode.def"
48 struct _MonoMethodBuilder {
54 guint32 code_size, pos;
58 struct _MonoRemotingMethods {
60 MonoMethod *invoke_with_check;
61 MonoMethod *xdomain_invoke;
62 MonoMethod *xdomain_dispatch;
65 typedef struct _MonoRemotingMethods MonoRemotingMethods;
67 #ifdef DEBUG_RUNTIME_CODE
69 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
71 return g_strdup (" ");
74 static MonoDisHelper marshal_dh = {
84 /* This mutex protects the various marshalling related caches in MonoImage */
85 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
86 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
87 static CRITICAL_SECTION marshal_mutex;
89 /* Maps wrapper methods to the methods they wrap */
90 static GHashTable *wrapper_hash;
92 static guint32 last_error_tls_id;
95 delegate_hash_table_add (MonoDelegate *d);
98 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
101 mono_struct_delete_old (MonoClass *klass, char *ptr);
104 mono_marshal_string_to_utf16 (MonoString *s);
107 mono_string_to_lpstr (MonoString *string_obj);
110 mono_string_from_bstr (gpointer bstr);
113 mono_free_bstr (gpointer bstr);
116 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
119 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
122 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
124 static MonoAsyncResult *
125 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
128 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
131 mono_marshal_xdomain_copy_value (MonoObject *val);
134 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
137 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
140 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
142 static MonoReflectionType *
143 type_from_handle (MonoType *handle);
146 mono_marshal_set_last_error_windows (int error);
149 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func);
152 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
154 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
156 mono_register_jit_icall (func, name, sig, save);
159 static MonoMethodSignature*
160 signature_dup (MonoImage *image, MonoMethodSignature *sig)
162 MonoMethodSignature *res;
165 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
167 res = mono_mempool_alloc (image->mempool, sigsize);
168 mono_loader_unlock ();
169 memcpy (res, sig, sigsize);
174 static MonoMethodSignature*
175 signature_no_pinvoke (MonoMethod *method)
177 MonoMethodSignature *sig = mono_method_signature (method);
179 sig = signature_dup (method->klass->image, sig);
180 sig->pinvoke = FALSE;
187 * signature_cominterop:
189 * @sig: mamaged method signature
191 * Returns: the corresponding unmanaged method signature for a managed COM
194 static MonoMethodSignature*
195 signature_cominterop (MonoImage *image, MonoMethodSignature *sig)
197 MonoMethodSignature *res;
200 int param_count = sig->param_count + 1; // convert this arg into IntPtr arg
202 if (!MONO_TYPE_IS_VOID (sig->ret))
205 sigsize = sizeof (MonoMethodSignature) + ((param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
207 res = mono_mempool_alloc (image->mempool, sigsize);
208 mono_loader_unlock ();
209 memcpy (res, sig, sigsize);
211 // now move args forward one
212 for (i = sig->param_count-1; i >= 0; i--)
213 res->params[i+1] = sig->params[i];
215 // first arg is interface pointer
216 res->params[0] = &mono_defaults.int_class->byval_arg;
218 // last arg is return type
219 if (!MONO_TYPE_IS_VOID (sig->ret)) {
220 res->params[param_count-1] = mono_metadata_type_dup_mp (image, sig->ret);
221 res->params[param_count-1]->byref = 1;
222 res->params[param_count-1]->attrs = PARAM_ATTRIBUTE_OUT;
226 res->pinvoke = FALSE;
232 res->param_count = param_count;
234 // return type is always int32 (HRESULT)
235 res->ret = &mono_defaults.int32_class->byval_arg;
237 // com is always stdcall
238 res->call_convention = MONO_CALL_STDCALL;
244 * cominterop_get_function_pointer:
245 * @itf: a pointer to the COM interface
246 * @slot: the vtable slot of the method pointer to return
248 * Returns: the unmanaged vtable function pointer from the interface
251 cominterop_get_function_pointer (gpointer itf, int slot)
254 func = *((*(gpointer**)itf)+slot);
259 * cominterop_get_com_slot_for_method:
262 * Returns: the method's slot in the COM interface vtable
265 cominterop_get_com_slot_for_method (MonoMethod* method)
267 static MonoClass *interface_type_attribute = NULL;
268 MonoInterfaceTypeAttribute* itf_attr = NULL;
269 MonoCustomAttrInfo *cinfo = NULL;
271 guint32 slot = method->slot;
276 ifaces = mono_class_get_implemented_interfaces (method->klass);
279 for (i = 0; i < ifaces->len; ++i) {
280 ic = g_ptr_array_index (ifaces, i);
281 offset = method->klass->interface_offsets[ic->interface_id];
282 if (method->slot >= offset && method->slot < offset + ic->method.count) {
287 g_ptr_array_free (ifaces, TRUE);
290 if (!interface_type_attribute)
291 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
292 cinfo = mono_custom_attrs_from_class (method->klass);
294 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
296 mono_custom_attrs_free (cinfo);
299 if (itf_attr && itf_attr->intType == 1)
300 offset = 3; /* 3 methods in IUnknown*/
302 offset = 7; /* 7 methods in IDispatch*/
304 return slot + offset;
308 * cominterop_get_method_interface:
309 * @method: method being called
311 * Returns: the Type on which the method is defined on
313 static MonoReflectionType*
314 cominterop_get_method_interface (MonoMethod* method)
317 MonoClass *ic = method->klass;
319 MonoReflectionType* rt = NULL;
321 ifaces = mono_class_get_implemented_interfaces (method->klass);
324 for (i = 0; i < ifaces->len; ++i) {
325 ic = g_ptr_array_index (ifaces, i);
326 offset = method->klass->interface_offsets[ic->interface_id];
327 if (method->slot >= offset && method->slot < offset + ic->method.count)
331 g_ptr_array_free (ifaces, TRUE);
335 MonoType* t = mono_class_get_type (ic);
336 rt = mono_type_get_object (mono_domain_get(), t);
343 mono_marshal_init (void)
345 static gboolean module_initialized = FALSE;
347 if (!module_initialized) {
348 module_initialized = TRUE;
349 InitializeCriticalSection (&marshal_mutex);
350 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
351 last_error_tls_id = TlsAlloc ();
353 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
354 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
355 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
356 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
357 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
358 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
359 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
360 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
361 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
362 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
363 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
364 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
365 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
366 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
367 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
368 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
369 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
370 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
371 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
372 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
373 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
374 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
375 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
376 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
377 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
378 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
379 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
380 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
381 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
382 register_icall (g_free, "g_free", "void ptr", FALSE);
383 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
384 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
385 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
386 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
387 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
388 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
389 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
390 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
391 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
392 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
393 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
394 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
395 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
396 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
397 register_icall (cominterop_get_method_interface, "cominterop_get_method_interface", "object ptr", FALSE);
398 register_icall (cominterop_get_function_pointer, "cominterop_get_function_pointer", "ptr ptr int32", FALSE);
403 mono_marshal_cleanup (void)
405 g_hash_table_destroy (wrapper_hash);
406 TlsFree (last_error_tls_id);
407 DeleteCriticalSection (&marshal_mutex);
410 MonoClass *byte_array_class;
411 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
412 static MonoMethod *method_set_context, *method_get_context;
413 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
416 mono_remoting_marshal_init (void)
420 static gboolean module_initialized = FALSE;
422 if (!module_initialized) {
423 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
424 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
425 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
426 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
428 klass = mono_defaults.real_proxy_class;
429 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
431 klass = mono_defaults.exception_class;
432 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
434 klass = mono_defaults.thread_class;
435 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
437 klass = mono_defaults.appdomain_class;
438 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
439 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
441 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
442 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
444 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
445 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
447 module_initialized = TRUE;
452 mono_delegate_to_ftnptr (MonoDelegate *delegate)
454 MonoMethod *method, *wrapper;
460 if (delegate->delegate_trampoline)
461 return delegate->delegate_trampoline;
463 klass = ((MonoObject *)delegate)->vtable->klass;
464 g_assert (klass->delegate);
466 method = delegate->method_info->method;
468 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
470 delegate->delegate_trampoline = mono_compile_method (wrapper);
472 // Add the delegate to the delegate hash table
473 delegate_hash_table_add (delegate);
475 /* when the object is collected, collect the dunamic method, too */
476 mono_object_register_finalizer ((MonoObject*)delegate);
478 return delegate->delegate_trampoline;
481 static GHashTable *delegate_hash_table;
484 delegate_hash_table_new (void) {
485 return g_hash_table_new (NULL, NULL);
489 delegate_hash_table_remove (MonoDelegate *d)
491 mono_marshal_lock ();
492 if (delegate_hash_table == NULL)
493 delegate_hash_table = delegate_hash_table_new ();
494 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
495 mono_marshal_unlock ();
499 delegate_hash_table_add (MonoDelegate *d)
501 mono_marshal_lock ();
502 if (delegate_hash_table == NULL)
503 delegate_hash_table = delegate_hash_table_new ();
504 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
505 mono_marshal_unlock ();
509 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
513 mono_marshal_lock ();
514 if (delegate_hash_table == NULL)
515 delegate_hash_table = delegate_hash_table_new ();
517 d = g_hash_table_lookup (delegate_hash_table, ftn);
518 mono_marshal_unlock ();
520 /* This is a native function, so construct a delegate for it */
521 static MonoClass *UnmanagedFunctionPointerAttribute;
522 MonoMethodSignature *sig;
524 MonoMarshalSpec **mspecs;
525 MonoCustomAttrInfo *cinfo;
526 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
527 MonoMethod *invoke = mono_get_delegate_invoke (klass);
528 MonoMethodPInvoke piinfo;
531 memset (&piinfo, 0, sizeof (piinfo));
532 if (!UnmanagedFunctionPointerAttribute)
533 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
535 /* The attribute is only available in Net 2.0 */
536 if (UnmanagedFunctionPointerAttribute) {
538 * The pinvoke attributes are stored in a real custom attribute so we have to
541 cinfo = mono_custom_attrs_from_class (klass);
543 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
545 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
548 mono_custom_attrs_free (cinfo);
552 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
553 mono_method_get_marshal_info (invoke, mspecs);
554 /* Freed below so don't alloc from mempool */
555 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
558 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
560 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
562 mono_metadata_free_marshal_spec (mspecs [i]);
566 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
567 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
570 if (d->object.vtable->domain != mono_domain_get ())
571 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
577 mono_delegate_free_ftnptr (MonoDelegate *delegate)
582 delegate_hash_table_remove (delegate);
584 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
586 if (!delegate->target) {
587 /* The wrapper method is shared between delegates -> no need to free it */
592 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
595 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
600 mono_array_to_savearray (MonoArray *array)
605 g_assert_not_reached ();
610 mono_array_to_lparray (MonoArray *array)
615 /* fixme: maybe we need to make a copy */
616 return array->vector;
620 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
622 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
624 if (elclass == mono_defaults.byte_class) {
625 GError *error = NULL;
629 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
632 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
636 g_error_free (error);
639 g_assert_not_reached ();
643 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
645 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
647 if (elclass == mono_defaults.byte_class) {
649 GError *error = NULL;
651 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
653 MonoException *exc = mono_get_exception_argument ("string", error->message);
654 g_error_free (error);
655 mono_raise_exception (exc);
658 memcpy (native_arr, as, MIN (strlen (as), elnum));
662 g_assert_not_reached ();
666 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
668 GError *error = NULL;
678 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
680 if (items_written > mono_stringbuilder_capacity (sb))
681 items_written = mono_stringbuilder_capacity (sb);
684 if (! sb->str || sb->str == sb->cached_str) {
685 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
686 sb->cached_str = NULL;
689 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
690 sb->length = items_written;
692 g_error_free (error);
698 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
705 g_assert (mono_string_chars (sb->str) == text);
707 for (len = 0; text [len] != 0; ++len)
714 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
716 GError *error = NULL;
723 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
725 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
727 g_error_free (error);
728 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
731 memcpy (res, tmp, sb->length + 1);
739 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
745 * The sb could have been allocated with the default capacity and be empty.
746 * we need to alloc a buffer of the default capacity in this case.
749 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb)));
751 * The stringbuilder might not have ownership of this string. If this is
752 * the case, we must duplicate the string, so that we don't munge immutable
755 else if (sb->str == sb->cached_str) {
756 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
757 sb->cached_str = NULL;
760 return mono_string_chars (sb->str);
764 mono_string_to_lpstr (MonoString *s)
766 #ifdef PLATFORM_WIN32
769 GError *error = NULL;
775 as = CoTaskMemAlloc (1);
780 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
782 MonoException *exc = mono_get_exception_argument ("string", error->message);
783 g_error_free (error);
784 mono_raise_exception(exc);
788 as = CoTaskMemAlloc (len + 1);
789 memcpy (as, tmp, len + 1);
793 return mono_string_to_utf8 (s);
798 mono_string_to_ansibstr (MonoString *string_obj)
800 g_error ("UnmanagedMarshal.BStr is not implemented.");
805 mono_string_to_bstr (MonoString *string_obj)
807 #ifdef PLATFORM_WIN32
808 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
810 g_error ("UnmanagedMarshal.BStr is not implemented.");
816 mono_string_from_bstr (gpointer bstr)
818 #ifdef PLATFORM_WIN32
819 MonoDomain *domain = mono_domain_get ();
820 return mono_string_new_utf16 (domain, bstr, SysStringLen (bstr));
822 g_error ("UnmanagedMarshal.BStr is not implemented.");
828 mono_free_bstr (gpointer bstr)
830 #ifdef PLATFORM_WIN32
831 SysFreeString ((BSTR)bstr);
833 g_error ("Free BSTR is not implemented.");
838 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
843 g_assert (dst != NULL);
846 memset (dst, 0, size);
851 s = mono_string_to_utf8 (src);
852 len = MIN (size, strlen (s));
853 memcpy (dst, s, len);
856 *((char *)dst + size - 1) = 0;
860 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
864 g_assert (dst != NULL);
868 memset (dst, 0, size * 2);
872 len = MIN (size, (mono_string_length (src)));
873 memcpy (dst, mono_string_chars (src), len * 2);
875 *((gunichar2 *)dst + len - 1) = 0;
879 mono_mb_free (MonoMethodBuilder *mb)
881 g_list_free (mb->locals_list);
891 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
893 MonoMethodBuilder *mb;
896 g_assert (klass != NULL);
897 g_assert (name != NULL);
899 mb = g_new0 (MonoMethodBuilder, 1);
901 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
905 m->wrapper_type = type;
907 mb->name = g_strdup (name);
909 mb->code = g_malloc (mb->code_size);
915 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
919 g_assert (mb != NULL);
920 g_assert (type != NULL);
923 mb->locals_list = g_list_append (mb->locals_list, type);
930 * mono_mb_create_method:
932 * Create a MonoMethod from this method builder.
933 * Returns: the newly created method.
935 * LOCKING: Assumes the loader lock is held.
938 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
940 MonoMethodHeader *header;
941 MonoMethodWrapper *mw;
947 g_assert (mb != NULL);
949 mp = mb->method->klass->image->mempool;
954 method->name = mb->name;
955 method->dynamic = TRUE;
957 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
958 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
960 header->code = mb->code;
962 /* Realloc the method info into a mempool */
964 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
965 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
967 method->name = mono_mempool_strdup (mp, mb->name);
969 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
970 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
972 header->code = mono_mempool_alloc (mp, mb->pos);
973 memcpy ((char*)header->code, mb->code, mb->pos);
979 header->max_stack = max_stack;
981 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
982 header->locals [i] = (MonoType *)l->data;
985 method->signature = signature;
987 header->code_size = mb->pos;
988 header->num_locals = mb->locals;
990 mw = (MonoMethodWrapper*) mb->method;
991 i = g_list_length (mw->method_data);
995 l = g_list_reverse (mw->method_data);
997 data = g_malloc (sizeof (gpointer) * (i + 1));
999 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
1000 /* store the size in the first element */
1001 data [0] = GUINT_TO_POINTER (i);
1003 for (tmp = l; tmp; tmp = tmp->next) {
1004 data [i++] = tmp->data;
1008 ((MonoMethodWrapper*)method)->method_data = data;
1011 static int total_code = 0;
1012 static int total_alloc = 0;
1013 total_code += mb->pos;
1014 total_alloc += mb->code_size;
1015 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
1018 #ifdef DEBUG_RUNTIME_CODE
1019 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
1020 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
1027 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
1029 MonoMethodWrapper *mw;
1031 g_assert (mb != NULL);
1033 mw = (MonoMethodWrapper *)mb->method;
1035 /* one O(n) is enough */
1036 mw->method_data = g_list_prepend (mw->method_data, data);
1038 return g_list_length (mw->method_data);
1042 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
1044 mb->code [pos] = value & 0xff;
1045 mb->code [pos + 1] = (value >> 8) & 0xff;
1046 mb->code [pos + 2] = (value >> 16) & 0xff;
1047 mb->code [pos + 3] = (value >> 24) & 0xff;
1051 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
1053 *((gint8 *)(&mb->code [pos])) = value;
1057 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
1059 if (mb->pos >= mb->code_size) {
1060 mb->code_size += mb->code_size >> 1;
1061 mb->code = g_realloc (mb->code, mb->code_size);
1064 mb->code [mb->pos++] = op;
1068 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
1070 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1071 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1074 mono_mb_emit_icon (mb, offset);
1075 mono_mb_emit_byte (mb, CEE_ADD);
1080 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
1083 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
1084 mono_mb_emit_byte (mb, CEE_LDIND_I);
1085 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
1086 mono_mb_emit_byte (mb, CEE_ADD);
1087 mono_mb_emit_byte (mb, CEE_LDIND_I);
1088 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1089 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1090 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
1091 mono_mb_emit_byte (mb, branch_code);
1093 mono_mb_emit_i4 (mb, 0);
1098 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
1101 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
1102 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1103 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1104 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1105 mono_mb_emit_icon (mb, -1);
1106 mono_mb_emit_byte (mb, branch_code);
1108 mono_mb_emit_i4 (mb, 0);
1113 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
1115 if ((mb->pos + 4) >= mb->code_size) {
1116 mb->code_size += mb->code_size >> 1;
1117 mb->code = g_realloc (mb->code, mb->code_size);
1120 mono_mb_patch_addr (mb, mb->pos, data);
1125 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
1127 if ((mb->pos + 2) >= mb->code_size) {
1128 mb->code_size += mb->code_size >> 1;
1129 mb->code = g_realloc (mb->code, mb->code_size);
1132 mb->code [mb->pos] = data & 0xff;
1133 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
1138 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
1140 mono_mb_emit_byte (mb, CEE_LDSTR);
1141 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
1146 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
1149 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
1150 } else if (argnum < 256) {
1151 mono_mb_emit_byte (mb, CEE_LDARG_S);
1152 mono_mb_emit_byte (mb, argnum);
1154 mono_mb_emit_byte (mb, CEE_PREFIX1);
1155 mono_mb_emit_byte (mb, CEE_LDARG);
1156 mono_mb_emit_i2 (mb, argnum);
1161 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1164 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1165 mono_mb_emit_byte (mb, argnum);
1167 mono_mb_emit_byte (mb, CEE_PREFIX1);
1168 mono_mb_emit_byte (mb, CEE_LDARGA);
1169 mono_mb_emit_i2 (mb, argnum);
1174 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1177 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1178 mono_mb_emit_byte (mb, locnum);
1180 mono_mb_emit_byte (mb, CEE_PREFIX1);
1181 mono_mb_emit_byte (mb, CEE_LDLOCA);
1182 mono_mb_emit_i2 (mb, locnum);
1187 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1190 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1191 } else if (num < 256) {
1192 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1193 mono_mb_emit_byte (mb, num);
1195 mono_mb_emit_byte (mb, CEE_PREFIX1);
1196 mono_mb_emit_byte (mb, CEE_LDLOC);
1197 mono_mb_emit_i2 (mb, num);
1202 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1205 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1206 } else if (num < 256) {
1207 mono_mb_emit_byte (mb, CEE_STLOC_S);
1208 mono_mb_emit_byte (mb, num);
1210 mono_mb_emit_byte (mb, CEE_PREFIX1);
1211 mono_mb_emit_byte (mb, CEE_STLOC);
1212 mono_mb_emit_i2 (mb, num);
1217 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1219 if (value >= -1 && value < 8) {
1220 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1221 } else if (value >= -128 && value <= 127) {
1222 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1223 mono_mb_emit_byte (mb, value);
1225 mono_mb_emit_byte (mb, CEE_LDC_I4);
1226 mono_mb_emit_i4 (mb, value);
1231 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1234 mono_mb_emit_byte (mb, op);
1236 mono_mb_emit_i4 (mb, 0);
1241 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1243 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1244 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1245 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ptr));
1249 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1251 mono_mb_emit_byte (mb, CEE_CALLI);
1252 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1256 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1258 mono_mb_emit_byte (mb, CEE_CALL);
1259 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1263 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1265 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1266 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1267 mono_mb_emit_ptr (mb, func);
1268 mono_mb_emit_calli (mb, sig);
1269 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1270 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1274 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1276 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1277 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
1278 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
1282 mono_mb_emit_cominterop_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethod* method)
1284 // get function pointer from 1st arg, the COM interface pointer
1285 mono_mb_emit_ldarg (mb, 0);
1286 mono_mb_emit_icon (mb, cominterop_get_com_slot_for_method (method));
1287 mono_mb_emit_icall (mb, cominterop_get_function_pointer);
1289 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1290 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1291 mono_mb_emit_calli (mb, sig);
1292 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1293 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1297 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1299 MonoMethod *ctor = NULL;
1301 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1302 mono_class_init (mme);
1303 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1305 mono_mb_emit_byte (mb, CEE_NEWOBJ);
1306 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
1308 mono_mb_emit_byte (mb, CEE_DUP);
1309 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1310 mono_mb_emit_ldstr (mb, (char*)msg);
1311 mono_mb_emit_byte (mb, CEE_STIND_REF);
1313 mono_mb_emit_byte (mb, CEE_THROW);
1317 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1319 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1323 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1325 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1329 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1331 mono_mb_emit_ldloc (mb, local);
1332 mono_mb_emit_icon (mb, incr);
1333 mono_mb_emit_byte (mb, CEE_ADD);
1334 mono_mb_emit_stloc (mb, local);
1338 mono_type_to_ldind (MonoType *type)
1344 switch (type->type) {
1346 return CEE_LDIND_I1;
1348 case MONO_TYPE_BOOLEAN:
1349 return CEE_LDIND_U1;
1351 return CEE_LDIND_I2;
1353 case MONO_TYPE_CHAR:
1354 return CEE_LDIND_U2;
1356 return CEE_LDIND_I4;
1358 return CEE_LDIND_U4;
1362 case MONO_TYPE_FNPTR:
1364 case MONO_TYPE_CLASS:
1365 case MONO_TYPE_STRING:
1366 case MONO_TYPE_OBJECT:
1367 case MONO_TYPE_SZARRAY:
1368 case MONO_TYPE_ARRAY:
1369 return CEE_LDIND_REF;
1372 return CEE_LDIND_I8;
1374 return CEE_LDIND_R4;
1376 return CEE_LDIND_R8;
1377 case MONO_TYPE_VALUETYPE:
1378 if (type->data.klass->enumtype) {
1379 type = type->data.klass->enum_basetype;
1383 case MONO_TYPE_TYPEDBYREF:
1385 case MONO_TYPE_GENERICINST:
1386 type = &type->data.generic_class->container_class->byval_arg;
1389 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1395 mono_type_to_stind (MonoType *type)
1401 switch (type->type) {
1404 case MONO_TYPE_BOOLEAN:
1405 return CEE_STIND_I1;
1408 case MONO_TYPE_CHAR:
1409 return CEE_STIND_I2;
1412 return CEE_STIND_I4;
1416 case MONO_TYPE_FNPTR:
1418 case MONO_TYPE_CLASS:
1419 case MONO_TYPE_STRING:
1420 case MONO_TYPE_OBJECT:
1421 case MONO_TYPE_SZARRAY:
1422 case MONO_TYPE_ARRAY:
1423 return CEE_STIND_REF;
1426 return CEE_STIND_I8;
1428 return CEE_STIND_R4;
1430 return CEE_STIND_R8;
1431 case MONO_TYPE_VALUETYPE:
1432 if (type->data.klass->enumtype) {
1433 type = type->data.klass->enum_basetype;
1437 case MONO_TYPE_TYPEDBYREF:
1439 case MONO_TYPE_GENERICINST:
1440 type = &type->data.generic_class->container_class->byval_arg;
1443 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1449 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1452 case MONO_MARSHAL_CONV_BOOL_I4:
1453 mono_mb_emit_ldloc (mb, 1);
1454 mono_mb_emit_ldloc (mb, 0);
1455 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1456 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1457 mono_mb_emit_byte (mb, 3);
1458 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1459 mono_mb_emit_byte (mb, CEE_BR_S);
1460 mono_mb_emit_byte (mb, 1);
1461 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1462 mono_mb_emit_byte (mb, CEE_STIND_I1);
1464 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1465 mono_mb_emit_ldloc (mb, 1);
1466 mono_mb_emit_ldloc (mb, 0);
1467 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1468 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1469 mono_mb_emit_byte (mb, 3);
1470 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1471 mono_mb_emit_byte (mb, CEE_BR_S);
1472 mono_mb_emit_byte (mb, 1);
1473 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1474 mono_mb_emit_byte (mb, CEE_STIND_I1);
1476 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1477 MonoClass *eklass = NULL;
1480 if (type->type == MONO_TYPE_SZARRAY) {
1481 eklass = type->data.klass;
1483 g_assert_not_reached ();
1486 esize = mono_class_native_size (eklass, NULL);
1488 /* create a new array */
1489 mono_mb_emit_ldloc (mb, 1);
1490 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1491 mono_mb_emit_byte (mb, CEE_NEWARR);
1492 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1493 mono_mb_emit_byte (mb, CEE_STIND_I);
1495 if (eklass->blittable) {
1496 /* copy the elements */
1497 mono_mb_emit_ldloc (mb, 1);
1498 mono_mb_emit_byte (mb, CEE_LDIND_I);
1499 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1500 mono_mb_emit_byte (mb, CEE_ADD);
1501 mono_mb_emit_ldloc (mb, 0);
1502 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1503 mono_mb_emit_byte (mb, CEE_PREFIX1);
1504 mono_mb_emit_byte (mb, CEE_CPBLK);
1507 int array_var, src_var, dst_var, index_var;
1508 guint32 label2, label3;
1510 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1511 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1512 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1515 mono_mb_emit_ldloc (mb, 1);
1516 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1517 mono_mb_emit_stloc (mb, array_var);
1519 /* save the old src pointer */
1520 mono_mb_emit_ldloc (mb, 0);
1521 mono_mb_emit_stloc (mb, src_var);
1522 /* save the old dst pointer */
1523 mono_mb_emit_ldloc (mb, 1);
1524 mono_mb_emit_stloc (mb, dst_var);
1526 /* Emit marshalling loop */
1527 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1528 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1529 mono_mb_emit_stloc (mb, index_var);
1533 mono_mb_emit_ldloc (mb, index_var);
1534 mono_mb_emit_ldloc (mb, array_var);
1535 mono_mb_emit_byte (mb, CEE_LDLEN);
1536 mono_mb_emit_byte (mb, CEE_BGE);
1538 mono_mb_emit_i4 (mb, 0);
1540 /* src is already set */
1543 mono_mb_emit_ldloc (mb, array_var);
1544 mono_mb_emit_ldloc (mb, index_var);
1545 mono_mb_emit_byte (mb, CEE_LDELEMA);
1546 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1547 mono_mb_emit_stloc (mb, 1);
1549 /* Do the conversion */
1550 emit_struct_conv (mb, eklass, TRUE);
1553 mono_mb_emit_add_to_local (mb, index_var, 1);
1555 mono_mb_emit_byte (mb, CEE_BR);
1556 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1558 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
1560 /* restore the old src pointer */
1561 mono_mb_emit_ldloc (mb, src_var);
1562 mono_mb_emit_stloc (mb, 0);
1563 /* restore the old dst pointer */
1564 mono_mb_emit_ldloc (mb, dst_var);
1565 mono_mb_emit_stloc (mb, 1);
1569 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1570 MonoClass *eclass = mono_defaults.char_class;
1572 /* create a new array */
1573 mono_mb_emit_ldloc (mb, 1);
1574 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1575 mono_mb_emit_byte (mb, CEE_NEWARR);
1576 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
1577 mono_mb_emit_byte (mb, CEE_STIND_REF);
1579 mono_mb_emit_ldloc (mb, 1);
1580 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1581 mono_mb_emit_ldloc (mb, 0);
1582 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1583 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1584 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1587 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1588 mono_mb_emit_ldloc (mb, 1);
1589 mono_mb_emit_ldloc (mb, 0);
1590 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1591 mono_mb_emit_byte (mb, CEE_STIND_REF);
1593 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1594 mono_mb_emit_ldloc (mb, 1);
1595 mono_mb_emit_ldloc (mb, 0);
1596 mono_mb_emit_icall (mb, mono_string_from_utf16);
1597 mono_mb_emit_byte (mb, CEE_STIND_REF);
1599 case MONO_MARSHAL_CONV_STR_LPTSTR:
1600 case MONO_MARSHAL_CONV_STR_LPSTR:
1601 mono_mb_emit_ldloc (mb, 1);
1602 mono_mb_emit_ldloc (mb, 0);
1603 mono_mb_emit_byte (mb, CEE_LDIND_I);
1604 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1605 mono_mb_emit_byte (mb, CEE_STIND_REF);
1607 case MONO_MARSHAL_CONV_STR_LPWSTR:
1608 mono_mb_emit_ldloc (mb, 1);
1609 mono_mb_emit_ldloc (mb, 0);
1610 mono_mb_emit_byte (mb, CEE_LDIND_I);
1611 mono_mb_emit_icall (mb, mono_string_from_utf16);
1612 mono_mb_emit_byte (mb, CEE_STIND_REF);
1614 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1615 MonoClass *klass = mono_class_from_mono_type (type);
1616 int src_var, dst_var;
1618 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1619 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1621 /* *dst = new object */
1622 mono_mb_emit_ldloc (mb, 1);
1623 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1624 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1625 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1626 mono_mb_emit_byte (mb, CEE_STIND_REF);
1628 /* save the old src pointer */
1629 mono_mb_emit_ldloc (mb, 0);
1630 mono_mb_emit_stloc (mb, src_var);
1631 /* save the old dst pointer */
1632 mono_mb_emit_ldloc (mb, 1);
1633 mono_mb_emit_stloc (mb, dst_var);
1635 /* dst = pointer to newly created object data */
1636 mono_mb_emit_ldloc (mb, 1);
1637 mono_mb_emit_byte (mb, CEE_LDIND_I);
1638 mono_mb_emit_icon (mb, sizeof (MonoObject));
1639 mono_mb_emit_byte (mb, CEE_ADD);
1640 mono_mb_emit_stloc (mb, 1);
1642 emit_struct_conv (mb, klass, TRUE);
1644 /* restore the old src pointer */
1645 mono_mb_emit_ldloc (mb, src_var);
1646 mono_mb_emit_stloc (mb, 0);
1647 /* restore the old dst pointer */
1648 mono_mb_emit_ldloc (mb, dst_var);
1649 mono_mb_emit_stloc (mb, 1);
1652 case MONO_MARSHAL_CONV_DEL_FTN: {
1653 MonoClass *klass = mono_class_from_mono_type (type);
1655 mono_mb_emit_ldloc (mb, 1);
1656 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1657 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1658 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1659 mono_mb_emit_ldloc (mb, 0);
1660 mono_mb_emit_byte (mb, CEE_LDIND_I);
1661 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1662 mono_mb_emit_byte (mb, CEE_STIND_REF);
1665 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1666 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1668 case MONO_MARSHAL_CONV_STR_BSTR:
1669 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1670 case MONO_MARSHAL_CONV_STR_TBSTR:
1671 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1673 g_warning ("marshaling conversion %d not implemented", conv);
1674 g_assert_not_reached ();
1679 conv_to_icall (MonoMarshalConv conv)
1682 case MONO_MARSHAL_CONV_STR_LPWSTR:
1683 return mono_marshal_string_to_utf16;
1684 case MONO_MARSHAL_CONV_LPWSTR_STR:
1685 return mono_string_from_utf16;
1686 case MONO_MARSHAL_CONV_LPSTR_STR:
1687 return mono_string_new_wrapper;
1688 case MONO_MARSHAL_CONV_STR_LPTSTR:
1689 case MONO_MARSHAL_CONV_STR_LPSTR:
1690 return mono_string_to_lpstr;
1691 case MONO_MARSHAL_CONV_STR_BSTR:
1692 return mono_string_to_bstr;
1693 case MONO_MARSHAL_CONV_BSTR_STR:
1694 return mono_string_from_bstr;
1695 case MONO_MARSHAL_CONV_STR_TBSTR:
1696 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1697 return mono_string_to_ansibstr;
1698 case MONO_MARSHAL_CONV_SB_LPSTR:
1699 case MONO_MARSHAL_CONV_SB_LPTSTR:
1700 return mono_string_builder_to_utf8;
1701 case MONO_MARSHAL_CONV_SB_LPWSTR:
1702 return mono_string_builder_to_utf16;
1703 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1704 return mono_array_to_savearray;
1705 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1706 return mono_array_to_lparray;
1707 case MONO_MARSHAL_CONV_DEL_FTN:
1708 return mono_delegate_to_ftnptr;
1709 case MONO_MARSHAL_CONV_FTN_DEL:
1710 return mono_ftnptr_to_delegate;
1711 case MONO_MARSHAL_CONV_LPSTR_SB:
1712 case MONO_MARSHAL_CONV_LPTSTR_SB:
1713 return mono_string_utf8_to_builder;
1714 case MONO_MARSHAL_CONV_LPWSTR_SB:
1715 return mono_string_utf16_to_builder;
1716 case MONO_MARSHAL_FREE_ARRAY:
1717 return mono_marshal_free_array;
1718 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1719 return mono_string_to_byvalstr;
1720 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1721 return mono_string_to_byvalwstr;
1723 g_assert_not_reached ();
1730 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1735 case MONO_MARSHAL_CONV_BOOL_I4:
1736 mono_mb_emit_ldloc (mb, 1);
1737 mono_mb_emit_ldloc (mb, 0);
1738 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1739 mono_mb_emit_byte (mb, CEE_STIND_I4);
1741 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1742 mono_mb_emit_ldloc (mb, 1);
1743 mono_mb_emit_ldloc (mb, 0);
1744 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1745 mono_mb_emit_byte (mb, CEE_NEG);
1746 mono_mb_emit_byte (mb, CEE_STIND_I2);
1748 case MONO_MARSHAL_CONV_STR_LPWSTR:
1749 case MONO_MARSHAL_CONV_STR_LPSTR:
1750 case MONO_MARSHAL_CONV_STR_LPTSTR:
1751 case MONO_MARSHAL_CONV_STR_BSTR:
1752 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1753 case MONO_MARSHAL_CONV_STR_TBSTR: {
1756 /* free space if free == true */
1757 mono_mb_emit_ldloc (mb, 2);
1758 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1760 mono_mb_emit_byte (mb, 0);
1761 mono_mb_emit_ldloc (mb, 1);
1762 mono_mb_emit_byte (mb, CEE_LDIND_I);
1763 mono_mb_emit_icall (mb, g_free);
1764 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1766 mono_mb_emit_ldloc (mb, 1);
1767 mono_mb_emit_ldloc (mb, 0);
1768 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1769 mono_mb_emit_icall (mb, conv_to_icall (conv));
1770 mono_mb_emit_byte (mb, CEE_STIND_I);
1773 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1774 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1775 case MONO_MARSHAL_CONV_DEL_FTN:
1776 mono_mb_emit_ldloc (mb, 1);
1777 mono_mb_emit_ldloc (mb, 0);
1778 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1779 mono_mb_emit_icall (mb, conv_to_icall (conv));
1780 mono_mb_emit_byte (mb, CEE_STIND_I);
1782 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1783 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1786 mono_mb_emit_ldloc (mb, 1); /* dst */
1787 mono_mb_emit_ldloc (mb, 0);
1788 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1789 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1790 mono_mb_emit_icall (mb, conv_to_icall (conv));
1793 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1794 MonoClass *eklass = NULL;
1797 if (type->type == MONO_TYPE_SZARRAY) {
1798 eklass = type->data.klass;
1800 g_assert_not_reached ();
1803 if (eklass->valuetype)
1804 esize = mono_class_native_size (eklass, NULL);
1806 esize = sizeof (gpointer);
1808 mono_mb_emit_ldloc (mb, 0);
1809 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1810 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1812 mono_mb_emit_byte (mb, 0);
1814 if (eklass->blittable) {
1815 mono_mb_emit_ldloc (mb, 1);
1816 mono_mb_emit_ldloc (mb, 0);
1817 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1818 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1819 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1820 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1821 mono_mb_emit_byte (mb, CEE_ADD);
1822 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1823 mono_mb_emit_byte (mb, CEE_PREFIX1);
1824 mono_mb_emit_byte (mb, CEE_CPBLK);
1826 int array_var, src_var, dst_var, index_var;
1827 guint32 label2, label3;
1829 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1830 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1831 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1834 mono_mb_emit_ldloc (mb, 0);
1835 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1836 mono_mb_emit_stloc (mb, array_var);
1838 /* save the old src pointer */
1839 mono_mb_emit_ldloc (mb, 0);
1840 mono_mb_emit_stloc (mb, src_var);
1841 /* save the old dst pointer */
1842 mono_mb_emit_ldloc (mb, 1);
1843 mono_mb_emit_stloc (mb, dst_var);
1845 /* Emit marshalling loop */
1846 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1847 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1848 mono_mb_emit_stloc (mb, index_var);
1852 mono_mb_emit_ldloc (mb, index_var);
1853 mono_mb_emit_ldloc (mb, array_var);
1854 mono_mb_emit_byte (mb, CEE_LDLEN);
1855 mono_mb_emit_byte (mb, CEE_BGE);
1857 mono_mb_emit_i4 (mb, 0);
1860 mono_mb_emit_ldloc (mb, array_var);
1861 mono_mb_emit_ldloc (mb, index_var);
1862 mono_mb_emit_byte (mb, CEE_LDELEMA);
1863 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1864 mono_mb_emit_stloc (mb, 0);
1866 /* dst is already set */
1868 /* Do the conversion */
1869 emit_struct_conv (mb, eklass, FALSE);
1872 mono_mb_emit_add_to_local (mb, index_var, 1);
1874 mono_mb_emit_byte (mb, CEE_BR);
1875 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1877 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
1879 /* restore the old src pointer */
1880 mono_mb_emit_ldloc (mb, src_var);
1881 mono_mb_emit_stloc (mb, 0);
1882 /* restore the old dst pointer */
1883 mono_mb_emit_ldloc (mb, dst_var);
1884 mono_mb_emit_stloc (mb, 1);
1887 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1890 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1891 mono_mb_emit_ldloc (mb, 0);
1892 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1893 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1895 mono_mb_emit_byte (mb, 0);
1897 mono_mb_emit_ldloc (mb, 1);
1898 mono_mb_emit_ldloc (mb, 0);
1899 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1900 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1901 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1902 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1903 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1906 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1907 int src_var, dst_var;
1909 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1910 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1912 mono_mb_emit_ldloc (mb, 0);
1913 mono_mb_emit_byte (mb, CEE_LDIND_I);
1914 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1916 mono_mb_emit_byte (mb, 0);
1918 /* save the old src pointer */
1919 mono_mb_emit_ldloc (mb, 0);
1920 mono_mb_emit_stloc (mb, src_var);
1921 /* save the old dst pointer */
1922 mono_mb_emit_ldloc (mb, 1);
1923 mono_mb_emit_stloc (mb, dst_var);
1925 /* src = pointer to object data */
1926 mono_mb_emit_ldloc (mb, 0);
1927 mono_mb_emit_byte (mb, CEE_LDIND_I);
1928 mono_mb_emit_icon (mb, sizeof (MonoObject));
1929 mono_mb_emit_byte (mb, CEE_ADD);
1930 mono_mb_emit_stloc (mb, 0);
1932 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1934 /* restore the old src pointer */
1935 mono_mb_emit_ldloc (mb, src_var);
1936 mono_mb_emit_stloc (mb, 0);
1937 /* restore the old dst pointer */
1938 mono_mb_emit_ldloc (mb, dst_var);
1939 mono_mb_emit_stloc (mb, 1);
1941 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1945 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1946 MonoException *exc = mono_get_exception_not_implemented (msg);
1949 mono_raise_exception (exc);
1955 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1957 MonoMarshalType *info;
1961 emit_struct_conv(mb, klass->parent, to_object);
1963 info = mono_marshal_load_type_info (klass);
1965 if (info->native_size == 0)
1968 if (klass->blittable) {
1969 int msize = mono_class_value_size (klass, NULL);
1970 g_assert (msize == info->native_size);
1971 mono_mb_emit_ldloc (mb, 1);
1972 mono_mb_emit_ldloc (mb, 0);
1973 mono_mb_emit_icon (mb, msize);
1974 mono_mb_emit_byte (mb, CEE_PREFIX1);
1975 mono_mb_emit_byte (mb, CEE_CPBLK);
1977 mono_mb_emit_add_to_local (mb, 0, msize);
1978 mono_mb_emit_add_to_local (mb, 1, msize);
1982 for (i = 0; i < info->num_fields; i++) {
1983 MonoMarshalNative ntype;
1984 MonoMarshalConv conv;
1985 MonoType *ftype = info->fields [i].field->type;
1988 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1990 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1993 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1996 msize = klass->instance_size - info->fields [i].field->offset;
1997 usize = info->native_size - info->fields [i].offset;
1999 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
2000 usize = info->fields [i + 1].offset - info->fields [i].offset;
2004 * FIXME: Should really check for usize==0 and msize>0, but we apply
2005 * the layout to the managed structure as well.
2007 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
2008 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) || ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
2009 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));
2012 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2013 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
2016 case MONO_MARSHAL_CONV_NONE: {
2019 if (ftype->byref || ftype->type == MONO_TYPE_I ||
2020 ftype->type == MONO_TYPE_U) {
2021 mono_mb_emit_ldloc (mb, 1);
2022 mono_mb_emit_ldloc (mb, 0);
2023 mono_mb_emit_byte (mb, CEE_LDIND_I);
2024 mono_mb_emit_byte (mb, CEE_STIND_I);
2035 case MONO_TYPE_BOOLEAN:
2038 case MONO_TYPE_CHAR:
2044 mono_mb_emit_ldloc (mb, 1);
2045 mono_mb_emit_ldloc (mb, 0);
2046 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
2047 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
2049 case MONO_TYPE_VALUETYPE: {
2050 int src_var, dst_var;
2052 if (ftype->data.klass->enumtype) {
2053 ftype = ftype->data.klass->enum_basetype;
2057 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2058 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2060 /* save the old src pointer */
2061 mono_mb_emit_ldloc (mb, 0);
2062 mono_mb_emit_stloc (mb, src_var);
2063 /* save the old dst pointer */
2064 mono_mb_emit_ldloc (mb, 1);
2065 mono_mb_emit_stloc (mb, dst_var);
2067 emit_struct_conv (mb, ftype->data.klass, to_object);
2069 /* restore the old src pointer */
2070 mono_mb_emit_ldloc (mb, src_var);
2071 mono_mb_emit_stloc (mb, 0);
2072 /* restore the old dst pointer */
2073 mono_mb_emit_ldloc (mb, dst_var);
2074 mono_mb_emit_stloc (mb, 1);
2079 g_warning ("marshaling type %02x not implemented", ftype->type);
2080 g_assert_not_reached ();
2085 int src_var, dst_var;
2087 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2088 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2090 /* save the old src pointer */
2091 mono_mb_emit_ldloc (mb, 0);
2092 mono_mb_emit_stloc (mb, src_var);
2093 /* save the old dst pointer */
2094 mono_mb_emit_ldloc (mb, 1);
2095 mono_mb_emit_stloc (mb, dst_var);
2098 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
2100 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
2102 /* restore the old src pointer */
2103 mono_mb_emit_ldloc (mb, src_var);
2104 mono_mb_emit_stloc (mb, 0);
2105 /* restore the old dst pointer */
2106 mono_mb_emit_ldloc (mb, dst_var);
2107 mono_mb_emit_stloc (mb, 1);
2112 mono_mb_emit_add_to_local (mb, 0, usize);
2113 mono_mb_emit_add_to_local (mb, 1, msize);
2115 mono_mb_emit_add_to_local (mb, 0, msize);
2116 mono_mb_emit_add_to_local (mb, 1, usize);
2122 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
2124 /* Call DestroyStructure */
2125 /* FIXME: Only do this if needed */
2126 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2127 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
2128 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2129 mono_mb_emit_ldloc (mb, struct_var);
2130 mono_mb_emit_icall (mb, mono_struct_delete_old);
2134 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
2138 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
2139 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2140 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
2142 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2143 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
2145 mono_mb_emit_icall (mb, checkpoint_func);
2147 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
2151 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
2153 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
2156 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
2160 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
2162 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
2165 static MonoAsyncResult *
2166 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
2168 MonoMethodMessage *msg;
2169 MonoDelegate *async_callback;
2173 MonoMethod *method = NULL, *method2 = NULL;
2175 g_assert (delegate);
2177 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2179 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2180 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2182 /* If the target is a proxy, make a direct call. Is proxy's work
2183 // to make the call asynchronous.
2185 MonoAsyncResult *ares;
2187 MonoArray *out_args;
2189 method = delegate->method_info->method;
2191 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2192 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2193 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2194 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2195 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2196 MONO_OBJECT_SETREF (msg, async_result, ares);
2197 msg->call_type = CallType_BeginInvoke;
2199 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2204 klass = delegate->object.vtable->klass;
2206 method = mono_get_delegate_invoke (klass);
2207 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2210 g_assert (method != NULL);
2212 im = mono_get_delegate_invoke (method->klass);
2213 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2215 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2219 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2221 int i, params_var, tmp_var;
2223 /* allocate local (pointer) *params[] */
2224 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2225 /* allocate local (pointer) tmp */
2226 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2228 /* alloate space on stack to store an array of pointers to the arguments */
2229 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2230 mono_mb_emit_byte (mb, CEE_PREFIX1);
2231 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2232 mono_mb_emit_stloc (mb, params_var);
2235 mono_mb_emit_ldloc (mb, params_var);
2236 mono_mb_emit_stloc (mb, tmp_var);
2238 if (save_this && sig->hasthis) {
2239 mono_mb_emit_ldloc (mb, tmp_var);
2240 mono_mb_emit_ldarg_addr (mb, 0);
2241 mono_mb_emit_byte (mb, CEE_STIND_I);
2242 /* tmp = tmp + sizeof (gpointer) */
2243 if (sig->param_count)
2244 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2248 for (i = 0; i < sig->param_count; i++) {
2249 mono_mb_emit_ldloc (mb, tmp_var);
2250 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2251 mono_mb_emit_byte (mb, CEE_STIND_I);
2252 /* tmp = tmp + sizeof (gpointer) */
2253 if (i < (sig->param_count - 1))
2254 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2261 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2265 GString *res = g_string_new ("");
2268 g_string_append (res, prefix);
2269 g_string_append_c (res, '_');
2272 mono_type_get_desc (res, sig->ret, FALSE);
2274 for (i = 0; i < sig->param_count; ++i) {
2275 g_string_append_c (res, '_');
2276 mono_type_get_desc (res, sig->params [i], FALSE);
2279 g_string_free (res, FALSE);
2284 * mono_marshal_get_string_encoding:
2286 * Return the string encoding which should be used for a given parameter.
2288 static MonoMarshalNative
2289 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2291 /* First try the parameter marshal info */
2293 if (spec->native == MONO_NATIVE_LPARRAY) {
2294 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2295 return spec->data.array_data.elem_type;
2298 return spec->native;
2302 return MONO_NATIVE_LPSTR;
2304 /* Then try the method level marshal info */
2305 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2306 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2307 return MONO_NATIVE_LPSTR;
2308 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2309 return MONO_NATIVE_LPWSTR;
2310 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2311 #ifdef PLATFORM_WIN32
2312 return MONO_NATIVE_LPWSTR;
2314 return MONO_NATIVE_LPSTR;
2317 return MONO_NATIVE_LPSTR;
2321 static MonoMarshalConv
2322 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2324 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2327 case MONO_NATIVE_LPWSTR:
2328 return MONO_MARSHAL_CONV_STR_LPWSTR;
2329 case MONO_NATIVE_LPSTR:
2330 return MONO_MARSHAL_CONV_STR_LPSTR;
2331 case MONO_NATIVE_LPTSTR:
2332 return MONO_MARSHAL_CONV_STR_LPTSTR;
2333 case MONO_NATIVE_BSTR:
2334 return MONO_MARSHAL_CONV_STR_BSTR;
2340 static MonoMarshalConv
2341 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2343 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2346 case MONO_NATIVE_LPWSTR:
2347 return MONO_MARSHAL_CONV_SB_LPWSTR;
2349 case MONO_NATIVE_LPSTR:
2350 return MONO_MARSHAL_CONV_SB_LPSTR;
2352 case MONO_NATIVE_LPTSTR:
2353 return MONO_MARSHAL_CONV_SB_LPTSTR;
2360 static MonoMarshalConv
2361 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2363 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2368 case MONO_NATIVE_LPWSTR:
2369 return MONO_MARSHAL_CONV_LPWSTR_STR;
2370 case MONO_NATIVE_LPSTR:
2371 return MONO_MARSHAL_CONV_LPSTR_STR;
2372 case MONO_NATIVE_LPTSTR:
2373 return MONO_MARSHAL_CONV_LPTSTR_STR;
2374 case MONO_NATIVE_BSTR:
2375 return MONO_MARSHAL_CONV_BSTR_STR;
2381 static MonoMarshalConv
2382 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2384 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2389 case MONO_NATIVE_LPWSTR:
2391 * mono_string_builder_to_utf16 does not allocate a
2392 * new buffer, so no need to free it.
2395 return MONO_MARSHAL_CONV_LPWSTR_SB;
2396 case MONO_NATIVE_LPSTR:
2397 return MONO_MARSHAL_CONV_LPSTR_SB;
2399 case MONO_NATIVE_LPTSTR:
2400 return MONO_MARSHAL_CONV_LPTSTR_SB;
2408 * Return whenever a field of a native structure or an array member needs to
2412 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2414 MonoMarshalNative encoding;
2415 MonoMarshalConv conv;
2418 case MONO_TYPE_VALUETYPE:
2419 /* FIXME: Optimize this */
2421 case MONO_TYPE_OBJECT:
2422 case MONO_TYPE_CLASS:
2423 if (t->data.klass == mono_defaults.stringbuilder_class) {
2425 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2429 case MONO_TYPE_STRING:
2430 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2431 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2437 static inline MonoMethod*
2438 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2442 mono_marshal_lock ();
2443 res = g_hash_table_lookup (cache, key);
2444 mono_marshal_unlock ();
2448 /* Create the method from the builder and place it in the cache */
2449 static inline MonoMethod*
2450 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2451 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2456 mono_loader_lock ();
2457 mono_marshal_lock ();
2458 res = g_hash_table_lookup (cache, key);
2460 /* This does not acquire any locks */
2461 res = mono_mb_create_method (mb, sig, max_stack);
2462 g_hash_table_insert (cache, key, res);
2463 g_hash_table_insert (wrapper_hash, res, key);
2465 mono_marshal_unlock ();
2466 mono_loader_unlock ();
2472 static inline MonoMethod*
2473 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2475 MonoMethod *res = NULL;
2476 MonoRemotingMethods *wrps;
2478 mono_marshal_lock ();
2479 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2482 switch (wrapper_type) {
2483 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2484 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2485 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2486 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2490 mono_marshal_unlock ();
2494 /* Create the method from the builder and place it in the cache */
2495 static inline MonoMethod*
2496 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2497 MonoMethodSignature *sig, int max_stack)
2499 MonoMethod **res = NULL;
2500 MonoRemotingMethods *wrps;
2501 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2503 mono_loader_lock ();
2504 mono_marshal_lock ();
2505 wrps = g_hash_table_lookup (cache, key);
2507 wrps = g_new0 (MonoRemotingMethods, 1);
2508 g_hash_table_insert (cache, key, wrps);
2511 switch (mb->method->wrapper_type) {
2512 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2513 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2514 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2515 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2516 default: g_assert_not_reached (); break;
2520 /* This does not acquire any locks */
2521 *res = mono_mb_create_method (mb, sig, max_stack);
2522 g_hash_table_insert (wrapper_hash, *res, key);
2525 mono_marshal_unlock ();
2526 mono_loader_unlock ();
2532 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2536 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2539 mono_marshal_lock ();
2540 res = g_hash_table_lookup (wrapper_hash, wrapper);
2541 mono_marshal_unlock ();
2546 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2548 MonoMethodSignature *sig;
2549 MonoMethodBuilder *mb;
2555 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2556 !strcmp (method->name, "BeginInvoke"));
2558 sig = signature_no_pinvoke (method);
2560 cache = method->klass->image->delegate_begin_invoke_cache;
2561 if ((res = mono_marshal_find_in_cache (cache, sig)))
2564 g_assert (sig->hasthis);
2566 name = mono_signature_to_name (sig, "begin_invoke");
2567 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2570 mb->method->save_lmf = 1;
2572 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2574 mono_mb_emit_ldarg (mb, 0);
2575 mono_mb_emit_ldloc (mb, params_var);
2576 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2577 emit_thread_interrupt_checkpoint (mb);
2578 mono_mb_emit_byte (mb, CEE_RET);
2580 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2586 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2588 MonoDomain *domain = mono_domain_get ();
2589 MonoAsyncResult *ares;
2590 MonoMethod *method = NULL;
2591 MonoMethodSignature *sig;
2592 MonoMethodMessage *msg;
2593 MonoObject *res, *exc;
2594 MonoArray *out_args;
2597 g_assert (delegate);
2599 if (!delegate->method_info || !delegate->method_info->method)
2600 g_assert_not_reached ();
2602 klass = delegate->object.vtable->klass;
2604 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2605 g_assert (method != NULL);
2607 sig = signature_no_pinvoke (method);
2609 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2611 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2614 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2615 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2616 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2617 mono_message_init (domain, msg, delegate->method_info, NULL);
2618 msg->call_type = CallType_EndInvoke;
2619 MONO_OBJECT_SETREF (msg, async_result, ares);
2620 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2623 res = mono_thread_pool_finish (ares, &out_args, &exc);
2626 if (((MonoException*)exc)->stack_trace) {
2627 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2629 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2631 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2634 mono_raise_exception ((MonoException*)exc);
2637 mono_method_return_message_restore (method, params, out_args);
2642 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2644 MonoType *t = mono_type_get_underlying_type (return_type);
2646 if (return_type->byref)
2647 return_type = &mono_defaults.int_class->byval_arg;
2650 case MONO_TYPE_VOID:
2651 g_assert_not_reached ();
2654 case MONO_TYPE_STRING:
2655 case MONO_TYPE_CLASS:
2656 case MONO_TYPE_OBJECT:
2657 case MONO_TYPE_ARRAY:
2658 case MONO_TYPE_SZARRAY:
2662 case MONO_TYPE_BOOLEAN:
2665 case MONO_TYPE_CHAR:
2675 mono_mb_emit_byte (mb, CEE_UNBOX);
2676 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2677 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2679 case MONO_TYPE_GENERICINST:
2680 if (!mono_type_generic_inst_is_valuetype (return_type))
2683 case MONO_TYPE_VALUETYPE: {
2685 mono_mb_emit_byte (mb, CEE_UNBOX);
2686 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2687 mono_mb_emit_i4 (mb, class);
2688 mono_mb_emit_byte (mb, CEE_LDOBJ);
2689 mono_mb_emit_i4 (mb, class);
2693 g_warning ("type 0x%x not handled", return_type->type);
2694 g_assert_not_reached ();
2697 mono_mb_emit_byte (mb, CEE_RET);
2701 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2703 MonoMethodSignature *sig;
2704 MonoMethodBuilder *mb;
2710 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2711 !strcmp (method->name, "EndInvoke"));
2713 sig = signature_no_pinvoke (method);
2715 cache = method->klass->image->delegate_end_invoke_cache;
2716 if ((res = mono_marshal_find_in_cache (cache, sig)))
2719 g_assert (sig->hasthis);
2721 name = mono_signature_to_name (sig, "end_invoke");
2722 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2725 mb->method->save_lmf = 1;
2727 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2729 mono_mb_emit_ldarg (mb, 0);
2730 mono_mb_emit_ldloc (mb, params_var);
2731 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2732 emit_thread_interrupt_checkpoint (mb);
2734 if (sig->ret->type == MONO_TYPE_VOID) {
2735 mono_mb_emit_byte (mb, CEE_POP);
2736 mono_mb_emit_byte (mb, CEE_RET);
2738 mono_mb_emit_restore_result (mb, sig->ret);
2740 res = mono_mb_create_and_cache (cache, sig,
2741 mb, sig, sig->param_count + 16);
2748 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2750 MonoMethodMessage *msg;
2751 MonoTransparentProxy *this;
2752 MonoObject *res, *exc;
2753 MonoArray *out_args;
2755 this = *((MonoTransparentProxy **)params [0]);
2758 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2760 /* skip the this pointer */
2763 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2766 MonoMethodSignature *sig = mono_method_signature (method);
2767 int count = sig->param_count;
2768 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2770 for (i=0; i<count; i++) {
2771 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2772 if (class->valuetype) {
2773 if (sig->params [i]->byref)
2774 mparams[i] = *((gpointer *)params [i]);
2776 mparams[i] = params [i];
2778 mparams[i] = *((gpointer**)params [i]);
2782 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2785 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2787 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2790 mono_raise_exception ((MonoException *)exc);
2792 mono_method_return_message_restore (method, params, out_args);
2798 * cominterop_get_native_wrapper_adjusted:
2799 * @method: managed COM Interop method
2801 * Returns: the generated method to call with signature matching
2802 * the unmanaged COM Method signature
2805 cominterop_get_native_wrapper_adjusted (MonoMethod *method)
2808 MonoMethodBuilder *mb_native;
2809 MonoMarshalSpec **mspecs;
2810 MonoMethodSignature *sig, *sig_native;
2811 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
2814 sig = mono_method_signature (method);
2816 // create unmanaged wrapper
2817 mb_native = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2818 sig_native = signature_cominterop (method->klass->image, sig);
2820 mspecs = g_new (MonoMarshalSpec*, sig_native->param_count+1);
2821 memset (mspecs, 0, sizeof(MonoMarshalSpec*)*(sig_native->param_count+1));
2823 mono_method_get_marshal_info (method, mspecs);
2825 // move managed args up one
2826 for (i = sig->param_count; i >= 1; i--)
2827 mspecs[i+1] = mspecs[i];
2829 // first arg is IntPtr for interface
2832 // move return spec to last param
2833 if (!MONO_TYPE_IS_VOID (sig->ret))
2834 mspecs[sig_native->param_count] = mspecs[0];
2838 mono_marshal_emit_native_wrapper(mb_native, sig_native, piinfo, mspecs, piinfo->addr);
2840 mono_loader_lock ();
2841 mono_marshal_lock ();
2842 res = mono_mb_create_method (mb_native, sig_native, sig_native->param_count + 16);
2843 mono_marshal_unlock ();
2844 mono_loader_unlock ();
2846 mono_mb_free (mb_native);
2848 for (i = sig_native->param_count; i >= 0; i--)
2850 mono_metadata_free_marshal_spec (mspecs [i]);
2857 * cominterop_get_native_wrapper:
2858 * @method: managed method
2860 * Returns: the generated method to call
2863 cominterop_get_native_wrapper (MonoMethod *method)
2869 cache = method->klass->image->cominterop_wrapper_cache;
2870 if ((res = mono_marshal_find_in_cache (cache, method)))
2873 /* if method klass is import, that means method
2874 * is really a com call. let interop system emit it.
2876 if (MONO_CLASS_IS_IMPORT(method->klass)) {
2877 MonoMethodBuilder *mb;
2878 MonoMethodSignature *sig, *csig;
2880 sig = mono_method_signature (method);
2881 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP);
2883 /* FIXME: we have to call actual class .ctor
2884 * instead of just __ComObject .ctor.
2886 if (!strcmp(method->name, ".ctor")) {
2887 static MonoMethod *ctor = NULL;
2890 ctor = mono_class_get_method_from_name (mono_defaults.com_object_class, ".ctor", 0);
2891 mono_mb_emit_ldarg (mb, 0);
2892 mono_mb_emit_managed_call (mb, ctor, NULL);
2893 mono_mb_emit_byte (mb, CEE_RET);
2896 static MonoMethod * ThrowExceptionForHR = NULL;
2897 static MonoMethod * GetInterface = NULL;
2898 MonoMethod *adjusted_method;
2904 GetInterface = mono_class_get_method_from_name (mono_defaults.com_object_class, "GetInterface", 1);
2906 // add local variables
2907 hr = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2908 ptr_this = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2909 if (!MONO_TYPE_IS_VOID (sig->ret))
2910 retval = mono_mb_add_local (mb, sig->ret);
2912 // get the type for the interface the method is defined on
2913 // and then get the underlying COM interface for that type
2914 mono_mb_emit_ldarg (mb, 0);
2915 mono_mb_emit_ptr (mb, method);
2916 mono_mb_emit_icall (mb, cominterop_get_method_interface);
2917 mono_mb_emit_managed_call (mb, GetInterface, NULL);
2918 mono_mb_emit_stloc (mb, ptr_this);
2920 // arg 1 is unmanaged this pointer
2921 mono_mb_emit_ldloc (mb, ptr_this);
2924 for (i = 1; i <= sig->param_count; i++)
2925 mono_mb_emit_ldarg (mb, i);
2927 // push managed return value as byref last argument
2928 if (!MONO_TYPE_IS_VOID (sig->ret))
2929 mono_mb_emit_ldloc_addr (mb, retval);
2931 adjusted_method = cominterop_get_native_wrapper_adjusted (method);
2932 mono_mb_emit_managed_call (mb, adjusted_method, NULL);
2934 // store HRESULT to check
2935 mono_mb_emit_stloc (mb, hr);
2937 if (!ThrowExceptionForHR)
2938 ThrowExceptionForHR = mono_class_get_method_from_name (mono_defaults.marshal_class, "ThrowExceptionForHR", 1);
2939 mono_mb_emit_ldloc (mb, hr);
2940 mono_mb_emit_managed_call (mb, ThrowExceptionForHR, NULL);
2942 // load return value managed is expecting
2943 if (!MONO_TYPE_IS_VOID (sig->ret))
2944 mono_mb_emit_ldloc (mb, retval);
2946 mono_mb_emit_byte (mb, CEE_RET);
2949 csig = signature_dup (method->klass->image, sig);
2951 res = mono_mb_create_and_cache (cache, method,
2952 mb, csig, csig->param_count + 16);
2956 /* Does this case ever get hit? */
2964 * cominterop_get_invoke:
2965 * @method: managed method
2967 * Returns: the generated method that calls the underlying __ComObject
2968 * rather than the proxy object.
2971 cominterop_get_invoke (MonoMethod *method)
2973 MonoMethodSignature *sig;
2974 MonoMethodBuilder *mb;
2977 GHashTable* cache = method->klass->image->cominterop_invoke_cache;
2981 if ((res = mono_marshal_find_in_cache (cache, method)))
2984 sig = signature_no_pinvoke (method);
2986 /* we cant remote methods without this pointer */
2990 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_COMINTEROP_INVOKE);
2992 /* get real proxy object, which is a ComInteropProxy in this case*/
2993 temp_obj = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2994 mono_mb_emit_ldarg (mb, 0);
2995 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2996 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2998 /* load the RCW from the ComInteropProxy*/
2999 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoComInteropProxy, com_object));
3000 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3002 /* load args and make the call on the RCW */
3003 for (i = 1; i <= sig->param_count; i++)
3004 mono_mb_emit_ldarg (mb, i);
3006 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
3007 MonoMethod * native_wrapper = cominterop_get_native_wrapper(method);
3008 mono_mb_emit_managed_call (mb, native_wrapper, NULL);
3011 if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
3012 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3014 mono_mb_emit_byte (mb, CEE_CALL);
3015 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
3018 emit_thread_interrupt_checkpoint (mb);
3020 mono_mb_emit_byte (mb, CEE_RET);
3022 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
3029 mono_marshal_get_remoting_invoke (MonoMethod *method)
3031 MonoMethodSignature *sig;
3032 MonoMethodBuilder *mb;
3038 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3041 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
3042 if ((MONO_CLASS_IS_IMPORT(method->klass) || method->klass == mono_defaults.com_object_class) && !mono_class_vtable (mono_domain_get (), method->klass)->remote)
3043 return cominterop_get_invoke(method);
3045 sig = signature_no_pinvoke (method);
3047 /* we cant remote methods without this pointer */
3051 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
3054 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
3055 mb->method->save_lmf = 1;
3057 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
3059 mono_mb_emit_ptr (mb, method);
3060 mono_mb_emit_ldloc (mb, params_var);
3061 mono_mb_emit_icall (mb, mono_remoting_wrapper);
3062 emit_thread_interrupt_checkpoint (mb);
3064 if (sig->ret->type == MONO_TYPE_VOID) {
3065 mono_mb_emit_byte (mb, CEE_POP);
3066 mono_mb_emit_byte (mb, CEE_RET);
3068 mono_mb_emit_restore_result (mb, sig->ret);
3071 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3077 /* mono_get_xdomain_marshal_type()
3078 * Returns the kind of marshalling that a type needs for cross domain calls.
3080 static MonoXDomainMarshalType
3081 mono_get_xdomain_marshal_type (MonoType *t)
3084 case MONO_TYPE_VOID:
3085 g_assert_not_reached ();
3089 case MONO_TYPE_BOOLEAN:
3092 case MONO_TYPE_CHAR:
3099 return MONO_MARSHAL_NONE;
3100 case MONO_TYPE_STRING:
3101 return MONO_MARSHAL_COPY;
3102 case MONO_TYPE_ARRAY:
3103 case MONO_TYPE_SZARRAY: {
3104 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
3105 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
3106 return MONO_MARSHAL_COPY;
3111 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
3112 return MONO_MARSHAL_COPY;
3114 return MONO_MARSHAL_SERIALIZE;
3118 /* mono_marshal_xdomain_copy_value
3119 * Makes a copy of "val" suitable for the current domain.
3122 mono_marshal_xdomain_copy_value (MonoObject *val)
3125 if (val == NULL) return NULL;
3127 domain = mono_domain_get ();
3129 switch (mono_object_class (val)->byval_arg.type) {
3130 case MONO_TYPE_VOID:
3131 g_assert_not_reached ();
3135 case MONO_TYPE_BOOLEAN:
3138 case MONO_TYPE_CHAR:
3144 case MONO_TYPE_R8: {
3145 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
3147 case MONO_TYPE_STRING: {
3148 MonoString *str = (MonoString *) val;
3149 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
3151 case MONO_TYPE_ARRAY:
3152 case MONO_TYPE_SZARRAY: {
3154 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
3155 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
3156 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
3157 if (mt == MONO_MARSHAL_COPY) {
3158 int i, len = mono_array_length (acopy);
3159 for (i = 0; i < len; i++) {
3160 MonoObject *item = mono_array_get (acopy, gpointer, i);
3161 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
3164 return (MonoObject *) acopy;
3168 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
3169 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
3170 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
3171 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
3172 newsb->length = oldsb->length;
3173 newsb->max_capacity = (gint32)0x7fffffff;
3174 return (MonoObject *) newsb;
3179 /* mono_marshal_xdomain_copy_out_value()
3180 * Copies the contents of the src instance into the dst instance. src and dst
3181 * must have the same type, and if they are arrays, the same size.
3184 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
3186 if (src == NULL || dst == NULL) return;
3188 g_assert (mono_object_class (src) == mono_object_class (dst));
3190 switch (mono_object_class (src)->byval_arg.type) {
3191 case MONO_TYPE_ARRAY:
3192 case MONO_TYPE_SZARRAY: {
3193 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
3194 if (mt == MONO_MARSHAL_SERIALIZE) return;
3195 if (mt == MONO_MARSHAL_COPY) {
3196 int i, len = mono_array_length ((MonoArray *)dst);
3197 for (i = 0; i < len; i++) {
3198 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
3199 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
3202 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
3208 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
3209 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
3210 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
3212 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)));
3213 dst_sb->cached_str = NULL;
3214 dst_sb->length = src_sb->length;
3219 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
3221 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
3222 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3223 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3227 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
3229 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
3232 /* mono_marshal_supports_fast_xdomain()
3233 * Returns TRUE if the method can use the fast xdomain wrapper.
3236 mono_marshal_supports_fast_xdomain (MonoMethod *method)
3238 return !method->klass->contextbound &&
3239 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
3243 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
3245 MonoDomain *current_domain = mono_domain_get ();
3246 MonoDomain *domain = mono_domain_get_by_id (id);
3248 if (!domain || !mono_domain_set (domain, FALSE))
3249 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
3252 mono_thread_push_appdomain_ref (domain);
3254 mono_thread_pop_appdomain_ref ();
3256 return current_domain->domain_id;
3260 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
3262 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
3265 /* mono_marshal_emit_load_domain_method ()
3266 * Loads into the stack a pointer to the code of the provided method for
3267 * the current domain.
3270 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
3272 /* We need a pointer to the method for the running domain (not the domain
3273 * that compiles the method).
3275 mono_mb_emit_ptr (mb, method);
3276 mono_mb_emit_icall (mb, mono_compile_method);
3279 /* mono_marshal_get_xappdomain_dispatch ()
3280 * Generates a method that dispatches a method call from another domain into
3281 * the current domain.
3284 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
3286 MonoMethodSignature *sig, *csig;
3287 MonoMethodBuilder *mb;
3289 int i, j, param_index, copy_locals_base;
3290 MonoClass *ret_class = NULL;
3291 int loc_array=0, loc_return=0, loc_serialized_exc=0;
3292 MonoExceptionClause *main_clause;
3293 MonoMethodHeader *header;
3295 gboolean copy_return;
3297 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
3300 sig = mono_method_signature (method);
3301 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
3304 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
3305 csig->params [j++] = &mono_defaults.object_class->byval_arg;
3306 csig->params [j++] = &byte_array_class->this_arg;
3307 csig->params [j++] = &byte_array_class->this_arg;
3308 for (i = 0; i < sig->param_count; i++) {
3309 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
3310 csig->params [j++] = sig->params [i];
3313 csig->ret = sig->ret;
3315 csig->ret = &mono_defaults.void_class->byval_arg;
3317 csig->hasthis = FALSE;
3319 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
3320 mb->method->save_lmf = 1;
3324 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3325 if (complex_count > 0)
3326 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3327 if (sig->ret->type != MONO_TYPE_VOID) {
3328 loc_return = mono_mb_add_local (mb, sig->ret);
3329 ret_class = mono_class_from_mono_type (sig->ret);
3334 main_clause = g_new0 (MonoExceptionClause, 1);
3335 main_clause->try_offset = mb->pos;
3337 /* Clean the call context */
3339 mono_mb_emit_byte (mb, CEE_LDNULL);
3340 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
3341 mono_mb_emit_byte (mb, CEE_POP);
3343 /* Deserialize call data */
3345 mono_mb_emit_ldarg (mb, 1);
3346 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3347 mono_mb_emit_byte (mb, CEE_DUP);
3348 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3350 mono_mb_emit_byte (mb, 0);
3352 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3353 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3355 if (complex_count > 0)
3356 mono_mb_emit_stloc (mb, loc_array);
3358 mono_mb_emit_byte (mb, CEE_POP);
3360 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3362 /* Get the target object */
3364 mono_mb_emit_ldarg (mb, 0);
3365 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
3367 /* Load the arguments */
3369 copy_locals_base = mb->locals;
3370 param_index = 3; // Index of the first non-serialized parameter of this wrapper
3372 for (i = 0; i < sig->param_count; i++) {
3373 MonoType *pt = sig->params [i];
3374 MonoClass *pclass = mono_class_from_mono_type (pt);
3375 switch (marshal_types [i]) {
3376 case MONO_MARSHAL_SERIALIZE: {
3377 /* take the value from the serialized array */
3378 mono_mb_emit_ldloc (mb, loc_array);
3379 mono_mb_emit_icon (mb, j++);
3381 if (pclass->valuetype) {
3382 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3383 mono_mb_emit_byte (mb, CEE_UNBOX);
3384 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3386 mono_mb_emit_byte (mb, CEE_LDELEMA);
3387 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3390 if (pclass->valuetype) {
3391 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3392 mono_mb_emit_byte (mb, CEE_UNBOX);
3393 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3394 mono_mb_emit_byte (mb, CEE_LDOBJ);
3395 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3397 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3398 if (pclass != mono_defaults.object_class) {
3399 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3400 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3406 case MONO_MARSHAL_COPY_OUT: {
3407 /* Keep a local copy of the value since we need to copy it back after the call */
3408 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3409 mono_mb_emit_ldarg (mb, param_index++);
3410 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3411 mono_mb_emit_byte (mb, CEE_DUP);
3412 mono_mb_emit_stloc (mb, copy_local);
3415 case MONO_MARSHAL_COPY: {
3416 mono_mb_emit_ldarg (mb, param_index);
3418 mono_mb_emit_byte (mb, CEE_DUP);
3419 mono_mb_emit_byte (mb, CEE_DUP);
3420 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3421 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3422 mono_mb_emit_byte (mb, CEE_STIND_REF);
3424 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3429 case MONO_MARSHAL_NONE:
3430 mono_mb_emit_ldarg (mb, param_index++);
3435 /* Make the call to the real object */
3437 emit_thread_force_interrupt_checkpoint (mb);
3439 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3440 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
3442 if (sig->ret->type != MONO_TYPE_VOID)
3443 mono_mb_emit_stloc (mb, loc_return);
3445 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3449 for (i = 0; i < sig->param_count; i++) {
3450 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3451 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3452 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3453 mono_mb_emit_ldarg (mb, param_index);
3454 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3459 /* Serialize the return values */
3461 if (complex_out_count > 0) {
3462 /* Reset parameters in the array that don't need to be serialized back */
3464 for (i = 0; i < sig->param_count; i++) {
3465 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3466 if (!sig->params [i]->byref) {
3467 mono_mb_emit_ldloc (mb, loc_array);
3468 mono_mb_emit_icon (mb, j);
3469 mono_mb_emit_byte (mb, CEE_LDNULL);
3470 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3475 /* Add the return value to the array */
3477 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3478 mono_mb_emit_ldloc (mb, loc_array);
3479 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3480 mono_mb_emit_ldloc (mb, loc_return);
3481 if (ret_class->valuetype) {
3482 mono_mb_emit_byte (mb, CEE_BOX);
3483 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3485 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3490 mono_mb_emit_ldarg (mb, 1);
3491 mono_mb_emit_ldloc (mb, loc_array);
3492 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3493 mono_mb_emit_byte (mb, CEE_STIND_REF);
3494 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3495 mono_mb_emit_ldarg (mb, 1);
3496 mono_mb_emit_ldloc (mb, loc_return);
3497 if (ret_class->valuetype) {
3498 mono_mb_emit_byte (mb, CEE_BOX);
3499 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3501 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3502 mono_mb_emit_byte (mb, CEE_STIND_REF);
3504 mono_mb_emit_ldarg (mb, 1);
3505 mono_mb_emit_byte (mb, CEE_LDNULL);
3506 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3507 mono_mb_emit_byte (mb, CEE_STIND_REF);
3510 mono_mb_emit_ldarg (mb, 2);
3511 mono_mb_emit_byte (mb, CEE_LDNULL);
3512 mono_mb_emit_byte (mb, CEE_STIND_REF);
3513 mono_mb_emit_byte (mb, CEE_LEAVE);
3514 pos_leave = mb->pos;
3515 mono_mb_emit_i4 (mb, 0);
3517 /* Main exception catch */
3518 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3519 main_clause->try_len = mb->pos - main_clause->try_offset;
3520 main_clause->data.catch_class = mono_defaults.object_class;
3523 main_clause->handler_offset = mb->pos;
3524 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3525 mono_mb_emit_stloc (mb, loc_serialized_exc);
3526 mono_mb_emit_ldarg (mb, 2);
3527 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3528 mono_mb_emit_byte (mb, CEE_STIND_REF);
3529 mono_mb_emit_byte (mb, CEE_LEAVE);
3530 mono_mb_emit_i4 (mb, 0);
3531 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3534 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3537 mono_mb_emit_ldloc (mb, loc_return);
3539 mono_mb_emit_byte (mb, CEE_RET);
3541 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3544 header = ((MonoMethodNormal *)res)->header;
3545 header->num_clauses = 1;
3546 header->clauses = main_clause;
3551 /* mono_marshal_get_xappdomain_invoke ()
3552 * Generates a fast remoting wrapper for cross app domain calls.
3555 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3557 MonoMethodSignature *sig;
3558 MonoMethodBuilder *mb;
3560 int i, j, complex_count, complex_out_count, copy_locals_base;
3562 MonoClass *ret_class = NULL;
3563 MonoMethod *xdomain_method;
3564 int ret_marshal_type = MONO_MARSHAL_NONE;
3565 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3566 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3568 gboolean copy_return = FALSE;
3572 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3575 /* we cant remote methods without this pointer */
3576 if (!mono_method_signature (method)->hasthis)
3579 if (!mono_marshal_supports_fast_xdomain (method))
3580 return mono_marshal_get_remoting_invoke (method);
3582 mono_remoting_marshal_init ();
3584 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3587 sig = signature_no_pinvoke (method);
3589 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3590 mb->method->save_lmf = 1;
3592 /* Count the number of parameters that need to be serialized */
3594 marshal_types = alloca (sizeof (int) * sig->param_count);
3595 complex_count = complex_out_count = 0;
3596 for (i = 0; i < sig->param_count; i++) {
3597 MonoType *ptype = sig->params[i];
3598 int mt = mono_get_xdomain_marshal_type (ptype);
3600 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3601 * the copy will be made by reusing the original object instance
3603 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3604 mt = MONO_MARSHAL_COPY_OUT;
3605 else if (mt == MONO_MARSHAL_SERIALIZE) {
3607 if (ptype->byref) complex_out_count++;
3609 marshal_types [i] = mt;
3612 if (sig->ret->type != MONO_TYPE_VOID) {
3613 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3614 ret_class = mono_class_from_mono_type (sig->ret);
3615 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3620 if (complex_count > 0)
3621 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3622 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3623 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3625 loc_return = mono_mb_add_local (mb, sig->ret);
3626 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3627 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3628 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3630 /* Save thread domain data */
3632 mono_mb_emit_icall (mb, mono_context_get);
3633 mono_mb_emit_byte (mb, CEE_DUP);
3634 mono_mb_emit_stloc (mb, loc_context);
3636 /* If the thread is not running in the default context, it needs to go
3637 * through the whole remoting sink, since the context is going to change
3639 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3640 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3642 mono_mb_emit_byte (mb, 0);
3644 mono_mb_emit_ldarg (mb, 0);
3645 for (i = 0; i < sig->param_count; i++)
3646 mono_mb_emit_ldarg (mb, i + 1);
3648 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3649 mono_mb_emit_byte (mb, CEE_RET);
3650 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
3652 /* Create the array that will hold the parameters to be serialized */
3654 if (complex_count > 0) {
3655 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 */
3656 mono_mb_emit_byte (mb, CEE_NEWARR);
3657 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
3660 for (i = 0; i < sig->param_count; i++) {
3662 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3663 pclass = mono_class_from_mono_type (sig->params[i]);
3664 mono_mb_emit_byte (mb, CEE_DUP);
3665 mono_mb_emit_icon (mb, j);
3666 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3667 if (sig->params[i]->byref) {
3668 if (pclass->valuetype) {
3669 mono_mb_emit_byte (mb, CEE_LDOBJ);
3670 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3672 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3675 if (pclass->valuetype) {
3676 mono_mb_emit_byte (mb, CEE_BOX);
3677 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3679 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3682 mono_mb_emit_stloc (mb, loc_array);
3684 /* Serialize parameters */
3686 mono_mb_emit_ldloc (mb, loc_array);
3687 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3688 mono_mb_emit_stloc (mb, loc_serialized_data);
3690 mono_mb_emit_byte (mb, CEE_LDNULL);
3691 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3692 mono_mb_emit_stloc (mb, loc_serialized_data);
3695 /* Get the target domain id */
3697 mono_mb_emit_ldarg (mb, 0);
3698 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3699 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3700 mono_mb_emit_byte (mb, CEE_DUP);
3701 mono_mb_emit_stloc (mb, loc_real_proxy);
3703 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3704 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3705 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3709 mono_marshal_emit_switch_domain (mb);
3710 mono_mb_emit_stloc (mb, loc_old_domainid);
3712 /* Load the arguments */
3714 mono_mb_emit_ldloc (mb, loc_real_proxy);
3715 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3716 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3718 copy_locals_base = mb->locals;
3719 for (i = 0; i < sig->param_count; i++) {
3720 switch (marshal_types [i]) {
3721 case MONO_MARSHAL_SERIALIZE:
3723 case MONO_MARSHAL_COPY: {
3724 mono_mb_emit_ldarg (mb, i+1);
3725 if (sig->params [i]->byref) {
3726 /* make a local copy of the byref parameter. The real parameter
3727 * will be updated after the xdomain call
3729 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3730 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3731 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3732 mono_mb_emit_stloc (mb, copy_local);
3733 mono_mb_emit_ldloc_addr (mb, copy_local);
3737 case MONO_MARSHAL_COPY_OUT:
3738 case MONO_MARSHAL_NONE:
3739 mono_mb_emit_ldarg (mb, i+1);
3744 /* Make the call to the invoke wrapper in the target domain */
3746 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3747 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3748 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3751 mono_mb_emit_stloc (mb, loc_return);
3755 mono_mb_emit_ldloc (mb, loc_old_domainid);
3756 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3757 mono_marshal_emit_switch_domain (mb);
3758 mono_mb_emit_byte (mb, CEE_POP);
3760 /* Restore thread domain data */
3762 mono_mb_emit_ldloc (mb, loc_context);
3763 mono_mb_emit_icall (mb, mono_context_set);
3765 /* if (loc_serialized_exc != null) ... */
3767 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3768 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3770 mono_mb_emit_byte (mb, 0);
3772 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3773 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3774 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3775 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3776 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
3777 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3778 mono_mb_emit_byte (mb, CEE_THROW);
3779 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
3781 /* copy back non-serialized output parameters */
3784 for (i = 0; i < sig->param_count; i++) {
3785 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3786 mono_mb_emit_ldarg (mb, i + 1);
3787 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3788 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3789 mono_mb_emit_byte (mb, CEE_STIND_REF);
3792 /* Deserialize out parameters */
3794 if (complex_out_count > 0) {
3795 mono_mb_emit_ldloc (mb, loc_serialized_data);
3796 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3797 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3798 mono_mb_emit_stloc (mb, loc_array);
3800 /* Copy back output parameters and return type */
3803 for (i = 0; i < sig->param_count; i++) {
3804 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3805 if (sig->params[i]->byref) {
3806 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3807 mono_mb_emit_ldarg (mb, i + 1);
3808 mono_mb_emit_ldloc (mb, loc_array);
3809 mono_mb_emit_icon (mb, j);
3810 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3811 if (pclass->valuetype) {
3812 mono_mb_emit_byte (mb, CEE_UNBOX);
3813 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3814 mono_mb_emit_byte (mb, CEE_LDOBJ);
3815 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3816 mono_mb_emit_byte (mb, CEE_STOBJ);
3817 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3819 if (pclass != mono_defaults.object_class) {
3820 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3821 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3823 mono_mb_emit_byte (mb, CEE_STIND_REF);
3829 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3830 mono_mb_emit_ldloc (mb, loc_array);
3831 mono_mb_emit_icon (mb, complex_count);
3832 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3833 if (ret_class->valuetype) {
3834 mono_mb_emit_byte (mb, CEE_UNBOX);
3835 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3836 mono_mb_emit_byte (mb, CEE_LDOBJ);
3837 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3840 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3841 mono_mb_emit_ldloc (mb, loc_serialized_data);
3842 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3843 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3844 if (ret_class->valuetype) {
3845 mono_mb_emit_byte (mb, CEE_UNBOX);
3846 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3847 mono_mb_emit_byte (mb, CEE_LDOBJ);
3848 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3849 } else if (ret_class != mono_defaults.object_class) {
3850 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3851 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3854 mono_mb_emit_ldloc (mb, loc_serialized_data);
3855 mono_mb_emit_byte (mb, CEE_DUP);
3856 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3858 mono_mb_emit_byte (mb, 0);
3859 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3861 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3862 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3863 mono_mb_emit_byte (mb, CEE_POP);
3867 mono_mb_emit_ldloc (mb, loc_return);
3868 if (ret_marshal_type == MONO_MARSHAL_COPY)
3869 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3872 mono_mb_emit_byte (mb, CEE_RET);
3874 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3881 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3883 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3884 return mono_marshal_get_xappdomain_invoke (method);
3885 else if (target_type == MONO_REMOTING_TARGET_COMINTEROP)
3886 return cominterop_get_invoke (method);
3888 return mono_marshal_get_remoting_invoke (method);
3891 G_GNUC_UNUSED static gpointer
3892 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3894 if (rp->target_domain_id != -1)
3895 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3897 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3901 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3903 MonoMethodSignature *sig;
3904 MonoMethodBuilder *mb;
3905 MonoMethod *res, *native;
3906 int i, pos, pos_rem;
3910 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3913 sig = signature_no_pinvoke (method);
3915 /* we cant remote methods without this pointer */
3916 g_assert (sig->hasthis);
3918 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3921 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3923 for (i = 0; i <= sig->param_count; i++)
3924 mono_mb_emit_ldarg (mb, i);
3926 mono_mb_emit_ldarg (mb, 0);
3927 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3929 if (mono_marshal_supports_fast_xdomain (method)) {
3930 mono_mb_emit_ldarg (mb, 0);
3931 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3933 /* wrapper for cross app domain calls */
3934 native = mono_marshal_get_xappdomain_invoke (method);
3935 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3936 mono_mb_emit_byte (mb, CEE_RET);
3938 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3940 /* wrapper for normal remote calls */
3941 native = mono_marshal_get_remoting_invoke (method);
3942 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3943 mono_mb_emit_byte (mb, CEE_RET);
3946 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3947 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3948 mono_mb_emit_byte (mb, CEE_RET);
3950 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3957 * the returned method invokes all methods in a multicast delegate
3960 mono_marshal_get_delegate_invoke (MonoMethod *method)
3962 MonoMethodSignature *sig, *static_sig;
3964 MonoMethodBuilder *mb;
3970 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3971 !strcmp (method->name, "Invoke"));
3973 sig = signature_no_pinvoke (method);
3975 cache = method->klass->image->delegate_invoke_cache;
3976 if ((res = mono_marshal_find_in_cache (cache, sig)))
3979 static_sig = signature_dup (method->klass->image, sig);
3980 static_sig->hasthis = 0;
3982 name = mono_signature_to_name (sig, "invoke");
3983 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3986 /* allocate local 0 (object) */
3987 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3989 g_assert (sig->hasthis);
3993 * prev.Invoke( args .. );
3994 * return this.<target>( args .. );
3997 /* this wrapper can be used in unmanaged-managed transitions */
3998 emit_thread_interrupt_checkpoint (mb);
4000 /* get this->prev */
4001 mono_mb_emit_ldarg (mb, 0);
4002 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
4003 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4004 mono_mb_emit_stloc (mb, 0);
4006 /* if prev != null */
4007 mono_mb_emit_ldloc (mb, 0);
4008 mono_mb_emit_byte (mb, CEE_BRFALSE);
4011 mono_mb_emit_i4 (mb, 0);
4014 mono_mb_emit_ldloc (mb, 0);
4015 for (i = 0; i < sig->param_count; i++)
4016 mono_mb_emit_ldarg (mb, i + 1);
4017 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
4018 if (sig->ret->type != MONO_TYPE_VOID)
4019 mono_mb_emit_byte (mb, CEE_POP);
4021 /* continued or prev == null */
4022 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4024 /* get this->target */
4025 mono_mb_emit_ldarg (mb, 0);
4026 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
4027 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4028 mono_mb_emit_stloc (mb, 0);
4030 /* if target != null */
4031 mono_mb_emit_ldloc (mb, 0);
4032 mono_mb_emit_byte (mb, CEE_BRFALSE);
4034 mono_mb_emit_i4 (mb, 0);
4036 /* then call this->method_ptr nonstatic */
4037 mono_mb_emit_ldloc (mb, 0);
4038 for (i = 0; i < sig->param_count; ++i)
4039 mono_mb_emit_ldarg (mb, i + 1);
4040 mono_mb_emit_ldarg (mb, 0);
4041 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4042 mono_mb_emit_byte (mb, CEE_LDIND_I );
4043 mono_mb_emit_byte (mb, CEE_CALLI);
4044 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
4046 mono_mb_emit_byte (mb, CEE_BR);
4048 mono_mb_emit_i4 (mb, 0);
4050 /* else [target == null] call this->method_ptr static */
4051 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4053 for (i = 0; i < sig->param_count; ++i)
4054 mono_mb_emit_ldarg (mb, i + 1);
4055 mono_mb_emit_ldarg (mb, 0);
4056 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
4057 mono_mb_emit_byte (mb, CEE_LDIND_I );
4058 mono_mb_emit_byte (mb, CEE_CALLI);
4059 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
4062 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4063 mono_mb_emit_byte (mb, CEE_RET);
4065 res = mono_mb_create_and_cache (cache, sig,
4066 mb, sig, sig->param_count + 16);
4073 * signature_dup_add_this:
4075 * Make a copy of @sig, adding an explicit this argument.
4077 static MonoMethodSignature*
4078 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
4080 MonoMethodSignature *res;
4083 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
4084 memcpy (res, sig, sizeof (MonoMethodSignature));
4085 res->param_count = sig->param_count + 1;
4086 res->hasthis = FALSE;
4087 for (i = sig->param_count - 1; i >= 0; i --)
4088 res->params [i + 1] = sig->params [i];
4089 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
4096 MonoMethodSignature *sig;
4102 * generates IL code for the runtime invoke function
4103 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
4105 * we also catch exceptions if exc != null
4108 mono_marshal_get_runtime_invoke (MonoMethod *method)
4110 MonoMethodSignature *sig, *csig, *callsig;
4111 MonoExceptionClause *clause;
4112 MonoMethodHeader *header;
4113 MonoMethodBuilder *mb;
4114 GHashTable *cache = NULL;
4115 MonoClass *target_klass;
4116 MonoMethod *res = NULL;
4118 static MonoString *string_dummy = NULL;
4119 static MonoMethodSignature *dealy_abort_sig = NULL;
4125 target_klass = method->klass;
4127 mono_marshal_lock ();
4129 if (method->string_ctor) {
4130 static GSList *strsig_list = NULL;
4134 for (item = strsig_list; item; item = item->next) {
4136 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
4142 callsig = signature_dup (method->klass->image, mono_method_signature (method));
4143 callsig->ret = &mono_defaults.string_class->byval_arg;
4144 cs = g_new (CtorSigPair, 1);
4147 strsig_list = g_slist_prepend (strsig_list, cs);
4150 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
4152 * Valuetype methods receive a managed pointer as the this argument.
4153 * Create a new signature to reflect this.
4155 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
4157 callsig = mono_method_signature (method);
4161 cache = method->klass->image->runtime_invoke_cache;
4163 /* from mono_marshal_find_in_cache */
4164 res = g_hash_table_lookup (cache, callsig);
4165 mono_marshal_unlock ();
4171 if (!dealy_abort_sig) {
4172 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4173 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
4174 dealy_abort_sig->pinvoke = 0;
4177 target_klass = mono_defaults.object_class;
4179 /* to make it work with our special string constructors */
4180 if (!string_dummy) {
4181 MONO_GC_REGISTER_ROOT (string_dummy);
4182 string_dummy = mono_string_new_wrapper ("dummy");
4185 sig = mono_method_signature (method);
4187 csig = mono_metadata_signature_alloc (method->klass->image, 4);
4189 csig->ret = &mono_defaults.object_class->byval_arg;
4190 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
4191 csig->params [0] = callsig->params [0];
4193 csig->params [0] = &mono_defaults.object_class->byval_arg;
4194 csig->params [1] = &mono_defaults.int_class->byval_arg;
4195 csig->params [2] = &mono_defaults.int_class->byval_arg;
4196 csig->params [3] = &mono_defaults.int_class->byval_arg;
4198 name = mono_signature_to_name (callsig, "runtime_invoke");
4199 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
4202 /* allocate local 0 (object) tmp */
4203 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4204 /* allocate local 1 (object) exc */
4205 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4207 /* cond set *exc to null */
4208 mono_mb_emit_byte (mb, CEE_LDARG_2);
4209 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4210 mono_mb_emit_byte (mb, 3);
4211 mono_mb_emit_byte (mb, CEE_LDARG_2);
4212 mono_mb_emit_byte (mb, CEE_LDNULL);
4213 mono_mb_emit_byte (mb, CEE_STIND_REF);
4215 emit_thread_force_interrupt_checkpoint (mb);
4218 if (method->string_ctor) {
4219 mono_mb_emit_ptr (mb, string_dummy);
4221 mono_mb_emit_ldarg (mb, 0);
4225 for (i = 0; i < sig->param_count; i++) {
4226 MonoType *t = sig->params [i];
4229 mono_mb_emit_ldarg (mb, 1);
4231 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
4232 mono_mb_emit_byte (mb, CEE_ADD);
4234 mono_mb_emit_byte (mb, CEE_LDIND_I);
4239 type = sig->params [i]->type;
4243 case MONO_TYPE_BOOLEAN:
4247 case MONO_TYPE_CHAR:
4256 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
4258 case MONO_TYPE_STRING:
4259 case MONO_TYPE_CLASS:
4260 case MONO_TYPE_ARRAY:
4262 case MONO_TYPE_SZARRAY:
4263 case MONO_TYPE_OBJECT:
4266 case MONO_TYPE_GENERICINST:
4267 if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
4273 case MONO_TYPE_VALUETYPE:
4274 if (t->data.klass->enumtype) {
4275 type = t->data.klass->enum_basetype->type;
4278 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4279 /* Need to convert a boxed vtype to an mp to a Nullable struct */
4280 mono_mb_emit_byte (mb, CEE_UNBOX);
4281 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
4282 mono_mb_emit_byte (mb, CEE_LDOBJ);
4283 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
4285 mono_mb_emit_byte (mb, CEE_LDOBJ);
4286 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
4290 g_assert_not_reached ();
4294 mono_mb_emit_ldarg (mb, 3);
4295 mono_mb_emit_calli (mb, callsig);
4297 if (sig->ret->byref) {
4299 g_assert_not_reached ();
4303 switch (sig->ret->type) {
4304 case MONO_TYPE_VOID:
4305 if (!method->string_ctor)
4306 mono_mb_emit_byte (mb, CEE_LDNULL);
4308 case MONO_TYPE_BOOLEAN:
4309 case MONO_TYPE_CHAR:
4322 case MONO_TYPE_VALUETYPE:
4323 case MONO_TYPE_TYPEDBYREF:
4324 case MONO_TYPE_GENERICINST:
4325 /* box value types */
4326 mono_mb_emit_byte (mb, CEE_BOX);
4327 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
4329 case MONO_TYPE_STRING:
4330 case MONO_TYPE_CLASS:
4331 case MONO_TYPE_ARRAY:
4332 case MONO_TYPE_SZARRAY:
4333 case MONO_TYPE_OBJECT:
4338 g_assert_not_reached ();
4341 mono_mb_emit_stloc (mb, 0);
4343 mono_mb_emit_byte (mb, CEE_LEAVE);
4345 mono_mb_emit_i4 (mb, 0);
4347 mono_loader_lock ();
4348 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
4349 mono_loader_unlock ();
4350 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
4351 clause->try_len = mb->pos;
4354 clause->data.filter_offset = mb->pos;
4356 mono_mb_emit_byte (mb, CEE_POP);
4357 mono_mb_emit_byte (mb, CEE_LDARG_2);
4358 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4359 mono_mb_emit_byte (mb, CEE_PREFIX1);
4360 mono_mb_emit_byte (mb, CEE_CGT_UN);
4361 mono_mb_emit_byte (mb, CEE_PREFIX1);
4362 mono_mb_emit_byte (mb, CEE_ENDFILTER);
4364 clause->handler_offset = mb->pos;
4367 /* store exception */
4368 mono_mb_emit_stloc (mb, 1);
4370 mono_mb_emit_byte (mb, CEE_LDARG_2);
4371 mono_mb_emit_ldloc (mb, 1);
4372 mono_mb_emit_byte (mb, CEE_STIND_REF);
4374 mono_mb_emit_byte (mb, CEE_LDNULL);
4375 mono_mb_emit_stloc (mb, 0);
4377 /* Check for the abort exception */
4378 mono_mb_emit_ldloc (mb, 1);
4379 mono_mb_emit_byte (mb, CEE_ISINST);
4380 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
4381 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
4383 mono_mb_emit_byte (mb, 0);
4385 /* Delay the abort exception */
4386 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
4388 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
4389 mono_mb_emit_byte (mb, CEE_LEAVE);
4390 mono_mb_emit_i4 (mb, 0);
4392 clause->handler_len = mb->pos - clause->handler_offset;
4395 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4396 mono_mb_emit_ldloc (mb, 0);
4397 mono_mb_emit_byte (mb, CEE_RET);
4399 /* taken from mono_mb_create_and_cache */
4400 mono_loader_lock ();
4401 mono_marshal_lock ();
4403 res = g_hash_table_lookup (cache, callsig);
4404 /* Somebody may have created it before us */
4406 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4407 g_hash_table_insert (cache, callsig, res);
4408 g_hash_table_insert (wrapper_hash, res, callsig);
4411 mono_marshal_unlock ();
4412 mono_loader_unlock ();
4413 /* end mono_mb_create_and_cache */
4417 header = ((MonoMethodNormal *)res)->header;
4418 header->num_clauses = 1;
4419 header->clauses = clause;
4425 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4427 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4428 klass->name_space, klass->name);
4430 mono_mb_emit_exception_marshal_directive (mb, msg);
4434 * mono_marshal_get_ldfld_remote_wrapper:
4435 * @klass: The return type
4437 * This method generates a wrapper for calling mono_load_remote_field_new with
4438 * the appropriate return type.
4441 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4443 MonoMethodSignature *sig, *csig;
4444 MonoMethodBuilder *mb;
4449 cache = klass->image->ldfld_remote_wrapper_cache;
4450 if ((res = mono_marshal_find_in_cache (cache, klass)))
4454 * This wrapper is similar to an icall wrapper but all the wrappers
4455 * call the same C function, but with a different signature.
4457 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4458 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4461 mb->method->save_lmf = 1;
4463 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4464 sig->params [0] = &mono_defaults.object_class->byval_arg;
4465 sig->params [1] = &mono_defaults.int_class->byval_arg;
4466 sig->params [2] = &mono_defaults.int_class->byval_arg;
4467 sig->ret = &klass->this_arg;
4469 mono_mb_emit_ldarg (mb, 0);
4470 mono_mb_emit_ldarg (mb, 1);
4471 mono_mb_emit_ldarg (mb, 2);
4473 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4474 csig->params [0] = &mono_defaults.object_class->byval_arg;
4475 csig->params [1] = &mono_defaults.int_class->byval_arg;
4476 csig->params [2] = &mono_defaults.int_class->byval_arg;
4477 csig->ret = &klass->this_arg;
4480 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4481 emit_thread_interrupt_checkpoint (mb);
4483 mono_mb_emit_byte (mb, CEE_RET);
4485 res = mono_mb_create_and_cache (cache, klass,
4486 mb, sig, sig->param_count + 16);
4493 * mono_marshal_get_ldfld_wrapper:
4494 * @type: the type of the field
4496 * This method generates a function which can be use to load a field with type
4497 * @type from an object. The generated function has the following signature:
4498 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4501 mono_marshal_get_ldfld_wrapper (MonoType *type)
4503 MonoMethodSignature *sig;
4504 MonoMethodBuilder *mb;
4509 int t, pos0, pos1 = 0;
4511 type = mono_type_get_underlying_type (type);
4516 if (type->type == MONO_TYPE_SZARRAY) {
4517 klass = mono_defaults.array_class;
4518 } else if (type->type == MONO_TYPE_VALUETYPE) {
4519 klass = type->data.klass;
4520 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4521 klass = mono_defaults.object_class;
4522 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4523 klass = mono_defaults.int_class;
4524 } else if (t == MONO_TYPE_GENERICINST) {
4525 if (mono_type_generic_inst_is_valuetype (type))
4526 klass = mono_class_from_mono_type (type);
4528 klass = mono_defaults.object_class;
4530 klass = mono_class_from_mono_type (type);
4533 klass = mono_defaults.int_class;
4536 cache = klass->image->ldfld_wrapper_cache;
4537 if ((res = mono_marshal_find_in_cache (cache, klass)))
4540 /* we add the %p pointer value of klass because class names are not unique */
4541 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4542 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4545 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4546 sig->params [0] = &mono_defaults.object_class->byval_arg;
4547 sig->params [1] = &mono_defaults.int_class->byval_arg;
4548 sig->params [2] = &mono_defaults.int_class->byval_arg;
4549 sig->params [3] = &mono_defaults.int_class->byval_arg;
4550 sig->ret = &klass->byval_arg;
4552 mono_mb_emit_ldarg (mb, 0);
4553 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4555 mono_mb_emit_ldarg (mb, 0);
4556 mono_mb_emit_ldarg (mb, 1);
4557 mono_mb_emit_ldarg (mb, 2);
4559 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4562 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4563 csig->params [0] = &mono_defaults.object_class->byval_arg;
4564 csig->params [1] = &mono_defaults.int_class->byval_arg;
4565 csig->params [2] = &mono_defaults.int_class->byval_arg;
4566 csig->ret = &klass->this_arg;
4569 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4570 emit_thread_interrupt_checkpoint (mb);
4573 if (klass->valuetype) {
4574 mono_mb_emit_byte (mb, CEE_UNBOX);
4575 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4576 mono_mb_emit_byte (mb, CEE_BR);
4578 mono_mb_emit_i4 (mb, 0);
4580 mono_mb_emit_byte (mb, CEE_RET);
4584 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4586 mono_mb_emit_ldarg (mb, 0);
4587 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4588 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4589 mono_mb_emit_ldarg (mb, 3);
4590 mono_mb_emit_byte (mb, CEE_ADD);
4592 if (klass->valuetype)
4593 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4598 case MONO_TYPE_BOOLEAN:
4599 case MONO_TYPE_CHAR:
4608 case MONO_TYPE_ARRAY:
4609 case MONO_TYPE_SZARRAY:
4610 case MONO_TYPE_OBJECT:
4611 case MONO_TYPE_CLASS:
4612 case MONO_TYPE_STRING:
4616 case MONO_TYPE_FNPTR:
4617 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4619 case MONO_TYPE_VALUETYPE:
4620 g_assert (!klass->enumtype);
4621 mono_mb_emit_byte (mb, CEE_LDOBJ);
4622 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4624 case MONO_TYPE_GENERICINST:
4625 if (mono_type_generic_inst_is_valuetype (type)) {
4626 mono_mb_emit_byte (mb, CEE_LDOBJ);
4627 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4629 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4633 g_warning ("type %x not implemented", type->type);
4634 g_assert_not_reached ();
4637 mono_mb_emit_byte (mb, CEE_RET);
4639 res = mono_mb_create_and_cache (cache, klass,
4640 mb, sig, sig->param_count + 16);
4647 * mono_marshal_get_ldflda_wrapper:
4648 * @type: the type of the field
4650 * This method generates a function which can be used to load a field address
4651 * from an object. The generated function has the following signature:
4652 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4655 mono_marshal_get_ldflda_wrapper (MonoType *type)
4657 MonoMethodSignature *sig;
4658 MonoMethodBuilder *mb;
4665 type = mono_type_get_underlying_type (type);
4669 if (type->type == MONO_TYPE_SZARRAY) {
4670 klass = mono_defaults.array_class;
4671 } else if (type->type == MONO_TYPE_VALUETYPE) {
4672 klass = type->data.klass;
4673 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4674 t == MONO_TYPE_CLASS) {
4675 klass = mono_defaults.object_class;
4676 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4677 klass = mono_defaults.int_class;
4678 } else if (t == MONO_TYPE_GENERICINST) {
4679 if (mono_type_generic_inst_is_valuetype (type))
4680 klass = mono_class_from_mono_type (type);
4682 klass = mono_defaults.object_class;
4684 klass = mono_class_from_mono_type (type);
4687 klass = mono_defaults.int_class;
4690 cache = klass->image->ldflda_wrapper_cache;
4691 if ((res = mono_marshal_find_in_cache (cache, klass)))
4694 /* we add the %p pointer value of klass because class names are not unique */
4695 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4696 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4699 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4700 sig->params [0] = &mono_defaults.object_class->byval_arg;
4701 sig->params [1] = &mono_defaults.int_class->byval_arg;
4702 sig->params [2] = &mono_defaults.int_class->byval_arg;
4703 sig->params [3] = &mono_defaults.int_class->byval_arg;
4704 sig->ret = &mono_defaults.int_class->byval_arg;
4706 mono_mb_emit_ldarg (mb, 0);
4707 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4709 /* FIXME: Only throw this if the object is in another appdomain */
4710 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4712 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4714 mono_mb_emit_ldarg (mb, 0);
4715 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4716 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4717 mono_mb_emit_ldarg (mb, 3);
4718 mono_mb_emit_byte (mb, CEE_ADD);
4720 mono_mb_emit_byte (mb, CEE_RET);
4722 res = mono_mb_create_and_cache (cache, klass,
4723 mb, sig, sig->param_count + 16);
4730 * mono_marshal_get_stfld_remote_wrapper:
4731 * klass: The type of the field
4733 * This function generates a wrapper for calling mono_store_remote_field_new
4734 * with the appropriate signature.
4737 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4739 MonoMethodSignature *sig, *csig;
4740 MonoMethodBuilder *mb;
4745 cache = klass->image->stfld_remote_wrapper_cache;
4746 if ((res = mono_marshal_find_in_cache (cache, klass)))
4749 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4750 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
4753 mb->method->save_lmf = 1;
4755 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4756 sig->params [0] = &mono_defaults.object_class->byval_arg;
4757 sig->params [1] = &mono_defaults.int_class->byval_arg;
4758 sig->params [2] = &mono_defaults.int_class->byval_arg;
4759 sig->params [3] = &klass->byval_arg;
4760 sig->ret = &mono_defaults.void_class->byval_arg;
4762 mono_mb_emit_ldarg (mb, 0);
4763 mono_mb_emit_ldarg (mb, 1);
4764 mono_mb_emit_ldarg (mb, 2);
4765 mono_mb_emit_ldarg (mb, 3);
4767 if (klass->valuetype) {
4768 mono_mb_emit_byte (mb, CEE_BOX);
4769 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4772 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4773 csig->params [0] = &mono_defaults.object_class->byval_arg;
4774 csig->params [1] = &mono_defaults.int_class->byval_arg;
4775 csig->params [2] = &mono_defaults.int_class->byval_arg;
4776 csig->params [3] = &klass->byval_arg;
4777 csig->ret = &mono_defaults.void_class->byval_arg;
4780 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4781 emit_thread_interrupt_checkpoint (mb);
4783 mono_mb_emit_byte (mb, CEE_RET);
4785 res = mono_mb_create_and_cache (cache, klass,
4786 mb, sig, sig->param_count + 16);
4793 * mono_marshal_get_stfld_wrapper:
4794 * @type: the type of the field
4796 * This method generates a function which can be use to store a field with type
4797 * @type. The generated function has the following signature:
4798 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4801 mono_marshal_get_stfld_wrapper (MonoType *type)
4803 MonoMethodSignature *sig;
4804 MonoMethodBuilder *mb;
4811 type = mono_type_get_underlying_type (type);
4815 if (type->type == MONO_TYPE_SZARRAY) {
4816 klass = mono_defaults.array_class;
4817 } else if (type->type == MONO_TYPE_VALUETYPE) {
4818 klass = type->data.klass;
4819 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4820 klass = mono_defaults.object_class;
4821 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4822 klass = mono_defaults.int_class;
4823 } else if (t == MONO_TYPE_GENERICINST) {
4824 if (mono_type_generic_inst_is_valuetype (type))
4825 klass = mono_class_from_mono_type (type);
4827 klass = mono_defaults.object_class;
4829 klass = mono_class_from_mono_type (type);
4832 klass = mono_defaults.int_class;
4835 cache = klass->image->stfld_wrapper_cache;
4836 if ((res = mono_marshal_find_in_cache (cache, klass)))
4839 /* we add the %p pointer value of klass because class names are not unique */
4840 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4841 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4844 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4845 sig->params [0] = &mono_defaults.object_class->byval_arg;
4846 sig->params [1] = &mono_defaults.int_class->byval_arg;
4847 sig->params [2] = &mono_defaults.int_class->byval_arg;
4848 sig->params [3] = &mono_defaults.int_class->byval_arg;
4849 sig->params [4] = &klass->byval_arg;
4850 sig->ret = &mono_defaults.void_class->byval_arg;
4852 mono_mb_emit_ldarg (mb, 0);
4853 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4855 mono_mb_emit_ldarg (mb, 0);
4856 mono_mb_emit_ldarg (mb, 1);
4857 mono_mb_emit_ldarg (mb, 2);
4858 mono_mb_emit_ldarg (mb, 4);
4860 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4862 mono_mb_emit_byte (mb, CEE_RET);
4864 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4866 mono_mb_emit_ldarg (mb, 0);
4867 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4868 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4869 mono_mb_emit_ldarg (mb, 3);
4870 mono_mb_emit_byte (mb, CEE_ADD);
4871 mono_mb_emit_ldarg (mb, 4);
4876 case MONO_TYPE_BOOLEAN:
4877 case MONO_TYPE_CHAR:
4886 case MONO_TYPE_ARRAY:
4887 case MONO_TYPE_SZARRAY:
4888 case MONO_TYPE_OBJECT:
4889 case MONO_TYPE_CLASS:
4890 case MONO_TYPE_STRING:
4894 case MONO_TYPE_FNPTR:
4895 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4897 case MONO_TYPE_VALUETYPE:
4898 g_assert (!klass->enumtype);
4899 mono_mb_emit_byte (mb, CEE_STOBJ);
4900 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4902 case MONO_TYPE_GENERICINST:
4903 mono_mb_emit_byte (mb, CEE_STOBJ);
4904 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4907 g_warning ("type %x not implemented", type->type);
4908 g_assert_not_reached ();
4911 mono_mb_emit_byte (mb, CEE_RET);
4913 res = mono_mb_create_and_cache (cache, klass,
4914 mb, sig, sig->param_count + 16);
4921 * generates IL code for the icall wrapper (the generated method
4922 * calls the unmanaged code in func)
4925 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4927 MonoMethodSignature *csig;
4928 MonoMethodBuilder *mb;
4932 g_assert (sig->pinvoke);
4934 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4936 mb->method->save_lmf = 1;
4938 /* we copy the signature, so that we can modify it */
4941 mono_mb_emit_byte (mb, CEE_LDARG_0);
4943 for (i = 0; i < sig->param_count; i++)
4944 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4946 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4947 emit_thread_interrupt_checkpoint (mb);
4948 mono_mb_emit_byte (mb, CEE_RET);
4950 csig = signature_dup (mono_defaults.corlib, sig);
4952 if (csig->call_convention == MONO_CALL_VARARG)
4953 csig->call_convention = 0;
4955 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4962 MonoMethodBuilder *mb;
4963 MonoMethodSignature *sig;
4964 MonoMethodPInvoke *piinfo;
4965 int *orig_conv_args; /* Locals containing the original values of byref args */
4967 MonoClass *retobj_class;
4968 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
4969 } EmitMarshalContext;
4972 MARSHAL_ACTION_CONV_IN,
4973 MARSHAL_ACTION_PUSH,
4974 MARSHAL_ACTION_CONV_OUT,
4975 MARSHAL_ACTION_CONV_RESULT,
4976 MARSHAL_ACTION_MANAGED_CONV_IN,
4977 MARSHAL_ACTION_MANAGED_CONV_OUT,
4978 MARSHAL_ACTION_MANAGED_CONV_RESULT
4982 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4983 MonoMarshalSpec *spec,
4984 int conv_arg, MonoType **conv_arg_type,
4985 MarshalAction action)
4989 static MonoClass *ICustomMarshaler = NULL;
4990 static MonoMethod *cleanup_native, *cleanup_managed;
4991 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4992 MonoMethod *get_instance;
4993 MonoMethodBuilder *mb = m->mb;
4994 char *exception_msg = NULL;
4998 if (!ICustomMarshaler) {
4999 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
5000 g_assert (ICustomMarshaler);
5002 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
5003 g_assert (cleanup_native);
5004 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
5005 g_assert (cleanup_managed);
5006 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
5007 g_assert (marshal_managed_to_native);
5008 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
5009 g_assert (marshal_native_to_managed);
5012 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
5013 g_assert (mtype != NULL);
5014 mklass = mono_class_from_mono_type (mtype);
5015 g_assert (mklass != NULL);
5017 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
5018 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
5020 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
5022 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
5023 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
5024 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
5025 (get_sig->params [0]->type != MONO_TYPE_STRING))
5026 get_instance = NULL;
5030 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);
5032 /* Throw exception and emit compensation code if neccesary */
5033 if (exception_msg) {
5035 case MARSHAL_ACTION_CONV_IN:
5036 case MARSHAL_ACTION_CONV_RESULT:
5037 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5038 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
5039 mono_mb_emit_byte (mb, CEE_POP);
5041 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
5042 g_free (exception_msg);
5045 case MARSHAL_ACTION_PUSH:
5046 mono_mb_emit_byte (mb, CEE_LDNULL);
5054 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
5055 /* FIXME: MS.NET throws an exception if GetInstance returns null */
5058 case MARSHAL_ACTION_CONV_IN:
5060 case MONO_TYPE_CLASS:
5061 case MONO_TYPE_OBJECT:
5062 case MONO_TYPE_STRING:
5063 case MONO_TYPE_ARRAY:
5064 case MONO_TYPE_SZARRAY:
5065 case MONO_TYPE_VALUETYPE:
5069 g_warning ("custom marshalling of type %x is currently not supported", t->type);
5070 g_assert_not_reached ();
5074 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5076 mono_mb_emit_byte (mb, CEE_LDNULL);
5077 mono_mb_emit_stloc (mb, conv_arg);
5079 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
5082 /* Check for null */
5083 mono_mb_emit_ldarg (mb, argnum);
5085 mono_mb_emit_byte (mb, CEE_LDIND_I);
5086 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5088 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5090 mono_mb_emit_byte (mb, CEE_CALL);
5091 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5093 mono_mb_emit_ldarg (mb, argnum);
5095 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5097 if (t->type == MONO_TYPE_VALUETYPE) {
5099 * Since we can't determine the type of the argument, we
5100 * will assume the unmanaged function takes a pointer.
5102 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5104 mono_mb_emit_byte (mb, CEE_BOX);
5105 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
5108 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5109 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
5110 mono_mb_emit_stloc (mb, conv_arg);
5112 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5115 case MARSHAL_ACTION_CONV_OUT:
5116 /* Check for null */
5117 mono_mb_emit_ldloc (mb, conv_arg);
5118 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5121 mono_mb_emit_ldarg (mb, argnum);
5123 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5125 mono_mb_emit_byte (mb, CEE_CALL);
5126 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5128 mono_mb_emit_ldloc (mb, conv_arg);
5129 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5130 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
5131 mono_mb_emit_byte (mb, CEE_STIND_REF);
5134 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5136 mono_mb_emit_byte (mb, CEE_CALL);
5137 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5139 mono_mb_emit_ldloc (mb, conv_arg);
5141 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5142 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
5144 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5147 case MARSHAL_ACTION_PUSH:
5149 mono_mb_emit_ldloc_addr (mb, conv_arg);
5151 mono_mb_emit_ldloc (mb, conv_arg);
5154 case MARSHAL_ACTION_CONV_RESULT:
5155 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5157 mono_mb_emit_stloc (mb, 3);
5159 mono_mb_emit_ldloc (mb, 3);
5160 mono_mb_emit_stloc (mb, loc1);
5162 /* Check for null */
5163 mono_mb_emit_ldloc (mb, 3);
5164 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5166 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5168 mono_mb_emit_byte (mb, CEE_CALL);
5169 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5170 mono_mb_emit_byte (mb, CEE_DUP);
5172 mono_mb_emit_ldloc (mb, 3);
5173 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5174 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
5175 mono_mb_emit_stloc (mb, 3);
5177 mono_mb_emit_ldloc (mb, loc1);
5178 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5179 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
5181 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5184 case MARSHAL_ACTION_MANAGED_CONV_IN:
5190 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5192 mono_mb_emit_byte (mb, CEE_LDNULL);
5193 mono_mb_emit_stloc (mb, conv_arg);
5195 /* Check for null */
5196 mono_mb_emit_ldarg (mb, argnum);
5197 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5199 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5200 mono_mb_emit_byte (mb, CEE_CALL);
5201 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5203 mono_mb_emit_ldarg (mb, argnum);
5205 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5206 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
5207 mono_mb_emit_stloc (mb, conv_arg);
5209 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5212 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5213 g_assert (!t->byref);
5215 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5217 mono_mb_emit_stloc (mb, 3);
5219 mono_mb_emit_ldloc (mb, 3);
5220 mono_mb_emit_stloc (mb, loc1);
5222 /* Check for null */
5223 mono_mb_emit_ldloc (mb, 3);
5224 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5226 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5227 mono_mb_emit_byte (mb, CEE_CALL);
5228 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5229 mono_mb_emit_byte (mb, CEE_DUP);
5231 mono_mb_emit_ldloc (mb, 3);
5232 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5233 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
5234 mono_mb_emit_stloc (mb, 3);
5236 mono_mb_emit_ldloc (mb, loc1);
5237 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5238 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
5240 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5243 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5244 g_assert (!t->byref);
5246 /* Check for null */
5247 mono_mb_emit_ldloc (mb, conv_arg);
5248 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5250 /* Call CleanUpManagedData */
5251 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
5253 mono_mb_emit_byte (mb, CEE_CALL);
5254 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
5256 mono_mb_emit_ldloc (mb, conv_arg);
5257 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5258 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
5260 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5264 g_assert_not_reached ();
5271 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
5272 MonoMarshalSpec *spec,
5273 int conv_arg, MonoType **conv_arg_type,
5274 MarshalAction action)
5276 MonoMethodBuilder *mb = m->mb;
5279 case MARSHAL_ACTION_CONV_IN: {
5280 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5282 g_assert (t->type == MONO_TYPE_OBJECT);
5283 g_assert (!t->byref);
5285 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5286 mono_mb_emit_ldarg (mb, argnum);
5287 mono_mb_emit_icon (mb, encoding);
5288 mono_mb_emit_icon (mb, t->attrs);
5289 mono_mb_emit_icall (mb, mono_marshal_asany);
5290 mono_mb_emit_stloc (mb, conv_arg);
5294 case MARSHAL_ACTION_PUSH:
5295 mono_mb_emit_ldloc (mb, conv_arg);
5298 case MARSHAL_ACTION_CONV_OUT: {
5299 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
5301 mono_mb_emit_ldarg (mb, argnum);
5302 mono_mb_emit_ldloc (mb, conv_arg);
5303 mono_mb_emit_icon (mb, encoding);
5304 mono_mb_emit_icon (mb, t->attrs);
5305 mono_mb_emit_icall (mb, mono_marshal_free_asany);
5310 g_assert_not_reached ();
5317 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
5318 MonoMarshalSpec *spec,
5319 int conv_arg, MonoType **conv_arg_type,
5320 MarshalAction action)
5322 MonoMethodBuilder *mb = m->mb;
5326 klass = t->data.klass;
5329 case MARSHAL_ACTION_CONV_IN:
5330 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5331 klass->blittable || klass->enumtype)
5334 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5336 /* store the address of the source into local variable 0 */
5338 mono_mb_emit_ldarg (mb, argnum);
5340 mono_mb_emit_ldarg_addr (mb, argnum);
5342 mono_mb_emit_stloc (mb, 0);
5344 /* allocate space for the native struct and
5345 * store the address into local variable 1 (dest) */
5346 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5347 mono_mb_emit_byte (mb, CEE_PREFIX1);
5348 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5349 mono_mb_emit_stloc (mb, conv_arg);
5352 mono_mb_emit_ldloc (mb, 0);
5353 mono_mb_emit_byte (mb, CEE_BRFALSE);
5355 mono_mb_emit_i4 (mb, 0);
5358 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
5360 mono_mb_emit_ldloc (mb, conv_arg);
5361 mono_mb_emit_stloc (mb, 1);
5363 /* emit valuetype conversion code */
5364 emit_struct_conv (mb, klass, FALSE);
5368 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5371 case MARSHAL_ACTION_PUSH:
5372 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
5374 g_assert (!t->byref);
5376 /* Have to change the signature since the vtype is passed byref */
5377 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
5379 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5380 klass->blittable || klass->enumtype)
5381 mono_mb_emit_ldarg_addr (mb, argnum);
5383 mono_mb_emit_ldloc (mb, conv_arg);
5387 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5388 klass->blittable || klass->enumtype) {
5389 mono_mb_emit_ldarg (mb, argnum);
5392 mono_mb_emit_ldloc (mb, conv_arg);
5394 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5395 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
5396 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5400 case MARSHAL_ACTION_CONV_OUT:
5401 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5402 klass->blittable || klass->enumtype)
5406 /* dst = argument */
5407 mono_mb_emit_ldarg (mb, argnum);
5408 mono_mb_emit_stloc (mb, 1);
5410 mono_mb_emit_ldloc (mb, 1);
5411 mono_mb_emit_byte (mb, CEE_BRFALSE);
5413 mono_mb_emit_i4 (mb, 0);
5415 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5416 /* src = tmp_locals [i] */
5417 mono_mb_emit_ldloc (mb, conv_arg);
5418 mono_mb_emit_stloc (mb, 0);
5420 /* emit valuetype conversion code */
5421 emit_struct_conv (mb, klass, TRUE);
5425 emit_struct_free (mb, klass, conv_arg);
5428 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5431 case MARSHAL_ACTION_CONV_RESULT:
5432 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5434 mono_mb_emit_stloc (mb, 3);
5437 /* load pointer to returned value type */
5438 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5439 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5440 /* store the address of the source into local variable 0 */
5441 mono_mb_emit_stloc (mb, 0);
5443 mono_mb_emit_ldloc_addr (mb, 3);
5444 mono_mb_emit_stloc (mb, 1);
5446 /* emit valuetype conversion code */
5447 emit_struct_conv (mb, klass, TRUE);
5450 case MARSHAL_ACTION_MANAGED_CONV_IN:
5451 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5452 klass->blittable || klass->enumtype) {
5457 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5459 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5463 mono_mb_emit_ldarg (mb, argnum);
5465 mono_mb_emit_ldarg_addr (mb, argnum);
5466 mono_mb_emit_stloc (mb, 0);
5469 mono_mb_emit_ldloc (mb, 0);
5470 mono_mb_emit_byte (mb, CEE_BRFALSE);
5472 mono_mb_emit_i4 (mb, 0);
5475 mono_mb_emit_ldloc_addr (mb, conv_arg);
5476 mono_mb_emit_stloc (mb, 1);
5478 /* emit valuetype conversion code */
5479 emit_struct_conv (mb, klass, TRUE);
5482 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5485 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5486 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5487 klass->blittable || klass->enumtype) {
5491 /* Check for null */
5492 mono_mb_emit_ldarg (mb, argnum);
5493 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5496 mono_mb_emit_ldloc_addr (mb, conv_arg);
5497 mono_mb_emit_stloc (mb, 0);
5500 mono_mb_emit_ldarg (mb, argnum);
5501 mono_mb_emit_stloc (mb, 1);
5503 /* emit valuetype conversion code */
5504 emit_struct_conv (mb, klass, FALSE);
5506 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5509 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5510 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5511 klass->blittable || klass->enumtype) {
5512 mono_mb_emit_stloc (mb, 3);
5517 /* load pointer to returned value type */
5518 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5519 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5521 /* store the address of the source into local variable 0 */
5522 mono_mb_emit_stloc (mb, 0);
5523 /* allocate space for the native struct and
5524 * store the address into dst_ptr */
5525 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5526 m->retobj_class = klass;
5527 g_assert (m->retobj_var);
5528 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5529 mono_mb_emit_byte (mb, CEE_CONV_I);
5530 mono_mb_emit_icall (mb, mono_marshal_alloc);
5531 mono_mb_emit_stloc (mb, 1);
5532 mono_mb_emit_ldloc (mb, 1);
5533 mono_mb_emit_stloc (mb, m->retobj_var);
5535 /* emit valuetype conversion code */
5536 emit_struct_conv (mb, klass, FALSE);
5540 g_assert_not_reached ();
5547 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5548 MonoMarshalSpec *spec,
5549 int conv_arg, MonoType **conv_arg_type,
5550 MarshalAction action)
5552 MonoMethodBuilder *mb = m->mb;
5553 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5554 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5558 case MARSHAL_ACTION_CONV_IN:
5559 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5560 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5563 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5566 mono_mb_emit_ldarg (mb, argnum);
5567 mono_mb_emit_byte (mb, CEE_LDIND_I);
5569 mono_mb_emit_ldarg (mb, argnum);
5573 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5574 MonoException *exc = mono_get_exception_not_implemented (msg);
5577 mono_raise_exception (exc);
5580 mono_mb_emit_icall (mb, conv_to_icall (conv));
5582 mono_mb_emit_stloc (mb, conv_arg);
5585 case MARSHAL_ACTION_CONV_OUT:
5586 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5587 mono_mb_emit_ldarg (mb, argnum);
5588 mono_mb_emit_ldloc (mb, conv_arg);
5589 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5590 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5591 // BSTRs always need freed
5592 mono_mb_emit_ldloc (mb, conv_arg);
5593 mono_mb_emit_icall (mb, mono_free_bstr);
5596 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5597 mono_mb_emit_byte (mb, CEE_STIND_REF);
5599 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5600 mono_mb_emit_ldloc (mb, conv_arg);
5601 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5602 mono_mb_emit_icall (mb, mono_free_bstr);
5604 mono_mb_emit_icall (mb, mono_marshal_free);
5609 case MARSHAL_ACTION_PUSH:
5611 mono_mb_emit_ldloc_addr (mb, conv_arg);
5613 mono_mb_emit_ldloc (mb, conv_arg);
5616 case MARSHAL_ACTION_CONV_RESULT:
5617 mono_mb_emit_stloc (mb, 0);
5619 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5621 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5622 mono_mb_emit_exception_marshal_directive (mb, msg);
5626 mono_mb_emit_ldloc (mb, 0);
5627 mono_mb_emit_icall (mb, conv_to_icall (conv));
5628 mono_mb_emit_stloc (mb, 3);
5630 /* free the string */
5631 mono_mb_emit_ldloc (mb, 0);
5632 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5633 mono_mb_emit_icall (mb, mono_free_bstr);
5635 mono_mb_emit_icall (mb, g_free);
5638 case MARSHAL_ACTION_MANAGED_CONV_IN:
5644 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5645 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5647 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5649 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5650 mono_mb_emit_exception_marshal_directive (mb, msg);
5654 mono_mb_emit_ldarg (mb, argnum);
5655 mono_mb_emit_icall (mb, conv_to_icall (conv));
5656 mono_mb_emit_stloc (mb, conv_arg);
5659 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5660 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
5661 mono_mb_emit_stloc (mb, 3);
5665 g_assert_not_reached ();
5672 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5673 MonoMarshalSpec *spec,
5674 int conv_arg, MonoType **conv_arg_type,
5675 MarshalAction action)
5677 MonoMethodBuilder *mb = m->mb;
5678 MonoClass *klass = t->data.klass;
5681 if (mono_class_from_mono_type (t) == mono_defaults.object_class &&
5682 (!spec || (spec && spec->native != MONO_NATIVE_STRUCT)) &&
5683 (!spec || (spec && (spec->native != MONO_NATIVE_IUNKNOWN &&
5684 spec->native != MONO_NATIVE_IDISPATCH &&
5685 spec->native != MONO_NATIVE_INTERFACE)))) {
5686 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
5690 case MARSHAL_ACTION_CONV_IN:
5691 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5692 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5694 m->orig_conv_args [argnum] = 0;
5696 if (spec && spec->native == MONO_NATIVE_STRUCT)
5698 static MonoMethod *get_native_variant_for_object = NULL;
5700 if (!get_native_variant_for_object)
5701 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5703 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
5705 local_variant = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
5706 conv_arg = local_variant;
5707 mono_mb_emit_ldarg (mb, argnum);
5709 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5710 mono_mb_emit_ldloc_addr (mb, local_variant);
5711 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5713 else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5714 spec->native == MONO_NATIVE_IDISPATCH ||
5715 spec->native == MONO_NATIVE_INTERFACE)) {
5716 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
5717 mono_mb_emit_exception_marshal_directive (mb, msg);
5719 else if (klass->delegate) {
5720 g_assert (!t->byref);
5721 mono_mb_emit_ldarg (mb, argnum);
5722 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5723 mono_mb_emit_stloc (mb, conv_arg);
5724 } else if (klass == mono_defaults.stringbuilder_class) {
5725 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5726 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5728 g_assert (!t->byref);
5729 mono_mb_emit_ldarg (mb, argnum);
5732 mono_mb_emit_icall (mb, conv_to_icall (conv));
5734 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5735 MonoException *exc = mono_get_exception_not_implemented (msg);
5738 mono_raise_exception (exc);
5741 mono_mb_emit_stloc (mb, conv_arg);
5742 } else if (klass->blittable) {
5743 mono_mb_emit_ldarg (mb, argnum);
5744 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5745 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5746 mono_mb_emit_icon (mb, sizeof (MonoObject));
5747 mono_mb_emit_byte (mb, CEE_ADD);
5748 mono_mb_emit_stloc (mb, conv_arg);
5751 mono_mb_emit_byte (mb, CEE_LDNULL);
5752 mono_mb_emit_stloc (mb, conv_arg);
5755 /* we dont need any conversions for out parameters */
5756 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5759 mono_mb_emit_ldarg (mb, argnum);
5760 mono_mb_emit_byte (mb, CEE_LDIND_I);
5763 mono_mb_emit_ldarg (mb, argnum);
5764 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5765 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5768 /* store the address of the source into local variable 0 */
5769 mono_mb_emit_stloc (mb, 0);
5770 mono_mb_emit_ldloc (mb, 0);
5771 mono_mb_emit_byte (mb, CEE_BRFALSE);
5773 mono_mb_emit_i4 (mb, 0);
5775 /* allocate space for the native struct and store the address */
5776 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5777 mono_mb_emit_byte (mb, CEE_PREFIX1);
5778 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5779 mono_mb_emit_stloc (mb, conv_arg);
5782 /* Need to store the original buffer so we can free it later */
5783 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5784 mono_mb_emit_ldloc (mb, conv_arg);
5785 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5788 /* set the src_ptr */
5789 mono_mb_emit_ldloc (mb, 0);
5790 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5791 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5792 mono_mb_emit_icon (mb, sizeof (MonoObject));
5793 mono_mb_emit_byte (mb, CEE_ADD);
5794 mono_mb_emit_stloc (mb, 0);
5797 mono_mb_emit_ldloc (mb, conv_arg);
5798 mono_mb_emit_stloc (mb, 1);
5800 /* emit valuetype conversion code */
5801 emit_struct_conv (mb, klass, FALSE);
5803 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5807 case MARSHAL_ACTION_CONV_OUT:
5808 if (spec && spec->native == MONO_NATIVE_STRUCT) {
5809 static MonoMethod *variant_clear = NULL;
5810 static MonoMethod *get_object_for_native_variant = NULL;
5812 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
5813 if (!get_object_for_native_variant)
5814 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
5816 mono_mb_emit_ldarg (mb, argnum);
5817 mono_mb_emit_ldloc_addr (mb, conv_arg);
5818 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5819 mono_mb_emit_byte (mb, CEE_STIND_REF);
5822 mono_mb_emit_ldloc_addr (mb, conv_arg);
5823 mono_mb_emit_managed_call (mb, variant_clear, NULL);
5827 if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5828 spec->native == MONO_NATIVE_IDISPATCH ||
5829 spec->native == MONO_NATIVE_INTERFACE)) {
5830 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
5831 mono_mb_emit_exception_marshal_directive (mb, msg);
5834 if (klass == mono_defaults.stringbuilder_class) {
5836 MonoMarshalNative encoding;
5837 MonoMarshalConv conv;
5839 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5840 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5842 g_assert (!t->byref);
5843 g_assert (encoding != -1);
5845 mono_mb_emit_ldarg (mb, argnum);
5846 mono_mb_emit_ldloc (mb, conv_arg);
5848 mono_mb_emit_icall (mb, conv_to_icall (conv));
5851 mono_mb_emit_ldloc (mb, conv_arg);
5852 mono_mb_emit_icall (mb, mono_marshal_free);
5857 if (klass->delegate)
5860 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5861 /* allocate a new object */
5862 mono_mb_emit_ldarg (mb, argnum);
5863 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5864 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5865 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5866 mono_mb_emit_byte (mb, CEE_STIND_REF);
5869 /* dst = *argument */
5870 mono_mb_emit_ldarg (mb, argnum);
5873 mono_mb_emit_byte (mb, CEE_LDIND_I);
5875 mono_mb_emit_stloc (mb, 1);
5877 mono_mb_emit_ldloc (mb, 1);
5878 mono_mb_emit_byte (mb, CEE_BRFALSE);
5880 mono_mb_emit_i4 (mb, 0);
5882 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5883 mono_mb_emit_ldloc (mb, 1);
5884 mono_mb_emit_icon (mb, sizeof (MonoObject));
5885 mono_mb_emit_byte (mb, CEE_ADD);
5886 mono_mb_emit_stloc (mb, 1);
5888 /* src = tmp_locals [i] */
5889 mono_mb_emit_ldloc (mb, conv_arg);
5890 mono_mb_emit_stloc (mb, 0);
5892 /* emit valuetype conversion code */
5893 emit_struct_conv (mb, t->data.klass, TRUE);
5895 /* Free the structure returned by the native code */
5896 emit_struct_free (mb, klass, conv_arg);
5898 if (m->orig_conv_args [argnum]) {
5900 * If the native function changed the pointer, then free
5901 * the original structure plus the new pointer.
5903 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5904 mono_mb_emit_ldloc (mb, conv_arg);
5905 mono_mb_emit_byte (mb, CEE_BEQ);
5907 mono_mb_emit_i4 (mb, 0);
5909 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5910 g_assert (m->orig_conv_args [argnum]);
5912 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5915 mono_mb_emit_ldloc (mb, conv_arg);
5916 mono_mb_emit_icall (mb, g_free);
5918 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5922 /* Free the original structure passed to native code */
5923 emit_struct_free (mb, klass, conv_arg);
5925 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5928 case MARSHAL_ACTION_PUSH:
5930 mono_mb_emit_ldloc_addr (mb, conv_arg);
5932 mono_mb_emit_ldloc (mb, conv_arg);
5935 case MARSHAL_ACTION_CONV_RESULT:
5936 if (klass->delegate) {
5937 g_assert (!t->byref);
5938 mono_mb_emit_stloc (mb, 0);
5939 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5940 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5941 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5942 mono_mb_emit_ldloc (mb, 0);
5943 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5944 mono_mb_emit_stloc (mb, 3);
5945 } else if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
5946 spec->native == MONO_NATIVE_IDISPATCH ||
5947 spec->native == MONO_NATIVE_INTERFACE)) {
5948 char *msg = g_strdup ("Marshalling of COM Objects is not yet implemented.");
5949 mono_mb_emit_exception_marshal_directive (mb, msg);
5952 mono_mb_emit_stloc (mb, 0);
5954 /* Make a copy since emit_conv modifies local 0 */
5955 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5956 mono_mb_emit_ldloc (mb, 0);
5957 mono_mb_emit_stloc (mb, loc);
5959 mono_mb_emit_byte (mb, CEE_LDNULL);
5960 mono_mb_emit_stloc (mb, 3);
5962 mono_mb_emit_ldloc (mb, 0);
5963 mono_mb_emit_byte (mb, CEE_BRFALSE);
5965 mono_mb_emit_i4 (mb, 0);
5967 /* allocate result object */
5969 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5970 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5971 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5972 mono_mb_emit_stloc (mb, 3);
5976 mono_mb_emit_ldloc (mb, 3);
5977 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5978 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5979 mono_mb_emit_icon (mb, sizeof (MonoObject));
5980 mono_mb_emit_byte (mb, CEE_ADD);
5981 mono_mb_emit_stloc (mb, 1);
5983 /* emit conversion code */
5984 emit_struct_conv (mb, klass, TRUE);
5986 emit_struct_free (mb, klass, loc);
5988 /* Free the pointer allocated by unmanaged code */
5989 mono_mb_emit_ldloc (mb, loc);
5990 mono_mb_emit_icall (mb, g_free);
5991 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5995 case MARSHAL_ACTION_MANAGED_CONV_IN:
5996 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5998 if (klass->delegate) {
5999 g_assert (!t->byref);
6000 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6001 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
6002 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6003 mono_mb_emit_ldarg (mb, argnum);
6004 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
6005 mono_mb_emit_stloc (mb, conv_arg);
6009 /* The class can not have an automatic layout */
6010 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6011 mono_mb_emit_auto_layout_exception (mb, klass);
6015 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
6016 mono_mb_emit_byte (mb, CEE_LDNULL);
6017 mono_mb_emit_stloc (mb, conv_arg);
6022 mono_mb_emit_ldarg (mb, argnum);
6026 /* Check for NULL and raise an exception */
6027 mono_mb_emit_byte (mb, CEE_BRTRUE);
6029 mono_mb_emit_i4 (mb, 0);
6031 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
6033 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
6034 mono_mb_emit_ldarg (mb, argnum);
6035 mono_mb_emit_byte (mb, CEE_LDIND_I);
6038 mono_mb_emit_stloc (mb, 0);
6040 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6041 mono_mb_emit_stloc (mb, conv_arg);
6043 mono_mb_emit_ldloc (mb, 0);
6044 mono_mb_emit_byte (mb, CEE_BRFALSE);
6046 mono_mb_emit_i4 (mb, 0);
6048 /* Create and set dst */
6049 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6050 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
6051 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6052 mono_mb_emit_stloc (mb, conv_arg);
6053 mono_mb_emit_ldloc (mb, conv_arg);
6054 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6055 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6056 mono_mb_emit_icon (mb, sizeof (MonoObject));
6057 mono_mb_emit_byte (mb, CEE_ADD);
6058 mono_mb_emit_stloc (mb, 1);
6060 /* emit valuetype conversion code */
6061 emit_struct_conv (mb, klass, TRUE);
6063 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6066 case MARSHAL_ACTION_MANAGED_CONV_OUT:
6067 /* Check for null */
6068 mono_mb_emit_ldloc (mb, conv_arg);
6069 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6070 mono_mb_emit_ldarg (mb, argnum);
6071 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6072 mono_mb_emit_byte (mb, CEE_STIND_REF);
6073 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6075 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6078 mono_mb_emit_ldloc (mb, conv_arg);
6079 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6080 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6081 mono_mb_emit_icon (mb, sizeof (MonoObject));
6082 mono_mb_emit_byte (mb, CEE_ADD);
6083 mono_mb_emit_stloc (mb, 0);
6085 /* Allocate and set dest */
6086 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6087 mono_mb_emit_byte (mb, CEE_CONV_I);
6088 mono_mb_emit_icall (mb, mono_marshal_alloc);
6089 mono_mb_emit_stloc (mb, 1);
6091 /* Update argument pointer */
6092 mono_mb_emit_ldarg (mb, argnum);
6093 mono_mb_emit_ldloc (mb, 1);
6094 mono_mb_emit_byte (mb, CEE_STIND_I);
6096 /* emit valuetype conversion code */
6097 emit_struct_conv (mb, klass, FALSE);
6099 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
6102 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
6103 if (klass->delegate) {
6104 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
6105 mono_mb_emit_stloc (mb, 3);
6109 /* The class can not have an automatic layout */
6110 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6111 mono_mb_emit_auto_layout_exception (mb, klass);
6115 mono_mb_emit_stloc (mb, 0);
6116 /* Check for null */
6117 mono_mb_emit_ldloc (mb, 0);
6118 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
6119 mono_mb_emit_byte (mb, CEE_LDNULL);
6120 mono_mb_emit_stloc (mb, 3);
6121 pos2 = mono_mb_emit_branch (mb, CEE_BR);
6123 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6126 mono_mb_emit_ldloc (mb, 0);
6127 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6128 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
6129 mono_mb_emit_icon (mb, sizeof (MonoObject));
6130 mono_mb_emit_byte (mb, CEE_ADD);
6131 mono_mb_emit_stloc (mb, 0);
6133 /* Allocate and set dest */
6134 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
6135 mono_mb_emit_byte (mb, CEE_CONV_I);
6136 mono_mb_emit_icall (mb, mono_marshal_alloc);
6137 mono_mb_emit_byte (mb, CEE_DUP);
6138 mono_mb_emit_stloc (mb, 1);
6139 mono_mb_emit_stloc (mb, 3);
6141 emit_struct_conv (mb, klass, FALSE);
6143 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
6147 g_assert_not_reached ();
6154 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
6155 MonoMarshalSpec *spec,
6156 int conv_arg, MonoType **conv_arg_type,
6157 MarshalAction action)
6159 MonoMethodBuilder *mb = m->mb;
6160 MonoClass *klass = mono_class_from_mono_type (t);
6161 gboolean need_convert, need_free;
6162 MonoMarshalNative encoding;
6164 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
6167 case MARSHAL_ACTION_CONV_IN:
6168 *conv_arg_type = &mono_defaults.object_class->byval_arg;
6169 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6171 if (klass->element_class->blittable) {
6172 mono_mb_emit_ldarg (mb, argnum);
6174 mono_mb_emit_byte (mb, CEE_LDIND_I);
6175 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
6176 mono_mb_emit_stloc (mb, conv_arg);
6179 guint32 label1, label2, label3;
6180 int index_var, src_var, dest_ptr, esize;
6181 MonoMarshalConv conv;
6182 gboolean is_string = FALSE;
6184 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6186 eklass = klass->element_class;
6188 if (eklass == mono_defaults.string_class) {
6190 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6192 else if (eklass == mono_defaults.stringbuilder_class) {
6194 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6199 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6200 mono_mb_emit_ldarg (mb, argnum);
6202 mono_mb_emit_byte (mb, CEE_LDIND_I);
6203 mono_mb_emit_stloc (mb, src_var);
6206 mono_mb_emit_ldloc (mb, src_var);
6207 mono_mb_emit_stloc (mb, conv_arg);
6208 mono_mb_emit_ldloc (mb, src_var);
6209 mono_mb_emit_byte (mb, CEE_BRFALSE);
6211 mono_mb_emit_i4 (mb, 0);
6215 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
6216 MonoException *exc = mono_get_exception_not_implemented (msg);
6219 mono_raise_exception (exc);
6224 esize = sizeof (gpointer);
6226 esize = mono_class_native_size (eklass, NULL);
6228 /* allocate space for the native struct and store the address */
6229 mono_mb_emit_icon (mb, esize);
6230 mono_mb_emit_ldloc (mb, src_var);
6231 mono_mb_emit_byte (mb, CEE_LDLEN);
6233 if (eklass == mono_defaults.string_class) {
6234 /* Make the array bigger for the terminating null */
6235 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6236 mono_mb_emit_byte (mb, CEE_ADD);
6238 mono_mb_emit_byte (mb, CEE_MUL);
6239 mono_mb_emit_byte (mb, CEE_PREFIX1);
6240 mono_mb_emit_byte (mb, CEE_LOCALLOC);
6241 mono_mb_emit_stloc (mb, conv_arg);
6243 mono_mb_emit_ldloc (mb, conv_arg);
6244 mono_mb_emit_stloc (mb, dest_ptr);
6246 /* Emit marshalling loop */
6247 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6248 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6249 mono_mb_emit_stloc (mb, index_var);
6251 mono_mb_emit_ldloc (mb, index_var);
6252 mono_mb_emit_ldloc (mb, src_var);
6253 mono_mb_emit_byte (mb, CEE_LDLEN);
6254 mono_mb_emit_byte (mb, CEE_BGE);
6256 mono_mb_emit_i4 (mb, 0);
6258 /* Emit marshalling code */
6261 mono_mb_emit_ldloc (mb, dest_ptr);
6262 mono_mb_emit_ldloc (mb, src_var);
6263 mono_mb_emit_ldloc (mb, index_var);
6264 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6265 mono_mb_emit_icall (mb, conv_to_icall (conv));
6266 mono_mb_emit_byte (mb, CEE_STIND_I);
6268 /* set the src_ptr */
6269 mono_mb_emit_ldloc (mb, src_var);
6270 mono_mb_emit_ldloc (mb, index_var);
6271 mono_mb_emit_byte (mb, CEE_LDELEMA);
6272 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6273 mono_mb_emit_stloc (mb, 0);
6276 mono_mb_emit_ldloc (mb, dest_ptr);
6277 mono_mb_emit_stloc (mb, 1);
6279 /* emit valuetype conversion code */
6280 emit_struct_conv (mb, eklass, FALSE);
6283 mono_mb_emit_add_to_local (mb, index_var, 1);
6284 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6286 mono_mb_emit_byte (mb, CEE_BR);
6287 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6289 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6291 if (eklass == mono_defaults.string_class) {
6292 /* Null terminate */
6293 mono_mb_emit_ldloc (mb, dest_ptr);
6294 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6295 mono_mb_emit_byte (mb, CEE_STIND_REF);
6298 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6303 case MARSHAL_ACTION_CONV_OUT:
6304 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
6305 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);
6306 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
6309 if (need_convert || need_free) {
6310 /* FIXME: Optimize blittable case */
6312 guint32 label1, label2, label3;
6313 int index_var, src_ptr, loc, esize;
6315 eklass = klass->element_class;
6316 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
6317 esize = sizeof (gpointer);
6319 esize = mono_class_native_size (eklass, NULL);
6320 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6321 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6324 mono_mb_emit_ldarg (mb, argnum);
6326 mono_mb_emit_byte (mb, CEE_LDIND_I);
6327 mono_mb_emit_byte (mb, CEE_BRFALSE);
6329 mono_mb_emit_i4 (mb, 0);
6331 mono_mb_emit_ldloc (mb, conv_arg);
6332 mono_mb_emit_stloc (mb, src_ptr);
6334 /* Emit marshalling loop */
6335 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6336 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6337 mono_mb_emit_stloc (mb, index_var);
6339 mono_mb_emit_ldloc (mb, index_var);
6340 mono_mb_emit_ldarg (mb, argnum);
6342 mono_mb_emit_byte (mb, CEE_LDIND_REF);
6343 mono_mb_emit_byte (mb, CEE_LDLEN);
6344 mono_mb_emit_byte (mb, CEE_BGE);
6346 mono_mb_emit_i4 (mb, 0);
6348 /* Emit marshalling code */
6350 if (eklass == mono_defaults.stringbuilder_class) {
6351 gboolean need_free2;
6352 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
6354 g_assert (conv != -1);
6357 mono_mb_emit_ldarg (mb, argnum);
6359 mono_mb_emit_byte (mb, CEE_LDIND_I);
6360 mono_mb_emit_ldloc (mb, index_var);
6361 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6364 mono_mb_emit_ldloc (mb, src_ptr);
6365 mono_mb_emit_byte (mb, CEE_LDIND_I);
6367 mono_mb_emit_icall (mb, conv_to_icall (conv));
6371 mono_mb_emit_ldloc (mb, src_ptr);
6372 mono_mb_emit_byte (mb, CEE_LDIND_I);
6374 mono_mb_emit_icall (mb, mono_marshal_free);
6377 else if (eklass == mono_defaults.string_class) {
6380 mono_mb_emit_ldloc (mb, src_ptr);
6381 mono_mb_emit_byte (mb, CEE_LDIND_I);
6383 mono_mb_emit_icall (mb, mono_marshal_free);
6388 /* set the src_ptr */
6389 mono_mb_emit_ldloc (mb, src_ptr);
6390 mono_mb_emit_stloc (mb, 0);
6393 mono_mb_emit_ldarg (mb, argnum);
6395 mono_mb_emit_byte (mb, CEE_LDIND_I);
6396 mono_mb_emit_ldloc (mb, index_var);
6397 mono_mb_emit_byte (mb, CEE_LDELEMA);
6398 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6399 mono_mb_emit_stloc (mb, 1);
6401 /* emit valuetype conversion code */
6402 emit_struct_conv (mb, eklass, TRUE);
6406 mono_mb_emit_ldloc (mb, src_ptr);
6407 mono_mb_emit_stloc (mb, loc);
6408 mono_mb_emit_ldloc (mb, loc);
6410 emit_struct_free (mb, eklass, loc);
6414 mono_mb_emit_add_to_local (mb, index_var, 1);
6415 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6417 mono_mb_emit_byte (mb, CEE_BR);
6418 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6420 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6421 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6425 case MARSHAL_ACTION_PUSH:
6427 mono_mb_emit_ldloc_addr (mb, conv_arg);
6429 mono_mb_emit_ldloc (mb, conv_arg);
6432 case MARSHAL_ACTION_CONV_RESULT:
6433 /* fixme: we need conversions here */
6434 mono_mb_emit_stloc (mb, 3);
6437 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6439 guint32 label1, label2, label3;
6440 int index_var, src_ptr, loc, esize, param_num, num_elem;
6441 MonoMarshalConv conv;
6442 gboolean is_string = FALSE;
6444 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6445 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6448 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6449 mono_mb_emit_exception_marshal_directive (mb, msg);
6452 if (spec->native != MONO_NATIVE_LPARRAY) {
6453 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6454 mono_mb_emit_exception_marshal_directive (mb, msg);
6458 /* FIXME: t is from the method which is wrapped, not the delegate type */
6459 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6461 param_num = spec->data.array_data.param_num;
6462 num_elem = spec->data.array_data.num_elem;
6463 if (spec->data.array_data.elem_mult == 0)
6464 /* param_num is not specified */
6467 if (param_num == -1) {
6468 if (num_elem <= 0) {
6469 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6470 mono_mb_emit_exception_marshal_directive (mb, msg);
6475 /* FIXME: Optimize blittable case */
6477 eklass = klass->element_class;
6478 if (eklass == mono_defaults.string_class) {
6480 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6482 else if (eklass == mono_defaults.stringbuilder_class) {
6484 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6489 mono_marshal_load_type_info (eklass);
6492 esize = sizeof (gpointer);
6494 esize = mono_class_native_size (eklass, NULL);
6495 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6496 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6498 mono_mb_emit_byte (mb, CEE_LDNULL);
6499 mono_mb_emit_stloc (mb, conv_arg);
6501 /* Check param index */
6502 if (param_num != -1) {
6503 if (param_num >= m->sig->param_count) {
6504 char *msg = g_strdup ("Array size control parameter index is out of range.");
6505 mono_mb_emit_exception_marshal_directive (mb, msg);
6508 switch (m->sig->params [param_num]->type) {
6521 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6522 mono_mb_emit_exception_marshal_directive (mb, msg);
6529 mono_mb_emit_ldarg (mb, argnum);
6530 mono_mb_emit_byte (mb, CEE_BRFALSE);
6532 mono_mb_emit_i4 (mb, 0);
6534 mono_mb_emit_ldarg (mb, argnum);
6535 mono_mb_emit_stloc (mb, src_ptr);
6537 /* Create managed array */
6539 * The LPArray marshalling spec says that sometimes param_num starts
6540 * from 1, sometimes it starts from 0. But MS seems to allways start
6544 if (param_num == -1)
6545 mono_mb_emit_icon (mb, num_elem);
6547 /* FIXME: Add the two together */
6548 mono_mb_emit_ldarg (mb, param_num);
6550 mono_mb_emit_icon (mb, num_elem);
6551 mono_mb_emit_byte (mb, CEE_ADD);
6555 mono_mb_emit_byte (mb, CEE_NEWARR);
6556 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6557 mono_mb_emit_stloc (mb, conv_arg);
6559 if (eklass->blittable) {
6560 mono_mb_emit_ldloc (mb, conv_arg);
6561 mono_mb_emit_byte (mb, CEE_CONV_I);
6562 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6563 mono_mb_emit_byte (mb, CEE_ADD);
6564 mono_mb_emit_ldarg (mb, argnum);
6565 mono_mb_emit_ldloc (mb, conv_arg);
6566 mono_mb_emit_byte (mb, CEE_LDLEN);
6567 mono_mb_emit_icon (mb, esize);
6568 mono_mb_emit_byte (mb, CEE_MUL);
6569 mono_mb_emit_byte (mb, CEE_PREFIX1);
6570 mono_mb_emit_byte (mb, CEE_CPBLK);
6574 /* Emit marshalling loop */
6575 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6576 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6577 mono_mb_emit_stloc (mb, index_var);
6579 mono_mb_emit_ldloc (mb, index_var);
6580 mono_mb_emit_ldloc (mb, conv_arg);
6581 mono_mb_emit_byte (mb, CEE_LDLEN);
6582 mono_mb_emit_byte (mb, CEE_BGE);
6584 mono_mb_emit_i4 (mb, 0);
6586 /* Emit marshalling code */
6588 g_assert (conv != -1);
6590 mono_mb_emit_ldloc (mb, conv_arg);
6591 mono_mb_emit_ldloc (mb, index_var);
6593 mono_mb_emit_ldloc (mb, src_ptr);
6594 mono_mb_emit_byte (mb, CEE_LDIND_I);
6596 mono_mb_emit_icall (mb, conv_to_icall (conv));
6597 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6600 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6601 mono_mb_emit_exception_marshal_directive (mb, msg);
6605 mono_mb_emit_add_to_local (mb, index_var, 1);
6606 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6608 mono_mb_emit_byte (mb, CEE_BR);
6609 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6611 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6612 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6616 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6618 guint32 label1, label2, label3;
6619 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6620 MonoMarshalConv conv;
6621 gboolean is_string = FALSE;
6623 /* These are already checked in CONV_IN */
6624 g_assert (!t->byref);
6625 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6626 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6628 param_num = spec->data.array_data.param_num;
6629 num_elem = spec->data.array_data.num_elem;
6631 if (spec->data.array_data.elem_mult == 0)
6632 /* param_num is not specified */
6635 if (param_num == -1) {
6636 if (num_elem <= 0) {
6637 g_assert_not_reached ();
6641 /* FIXME: Optimize blittable case */
6643 eklass = klass->element_class;
6644 if (eklass == mono_defaults.string_class) {
6646 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6648 else if (eklass == mono_defaults.stringbuilder_class) {
6650 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6655 mono_marshal_load_type_info (eklass);
6658 esize = sizeof (gpointer);
6660 esize = mono_class_native_size (eklass, NULL);
6662 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6663 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6666 mono_mb_emit_ldloc (mb, conv_arg);
6667 mono_mb_emit_byte (mb, CEE_BRFALSE);
6669 mono_mb_emit_i4 (mb, 0);
6671 mono_mb_emit_ldarg (mb, argnum);
6672 mono_mb_emit_stloc (mb, dest_ptr);
6674 if (eklass->blittable) {
6676 mono_mb_emit_ldarg (mb, argnum);
6678 mono_mb_emit_ldloc (mb, conv_arg);
6679 mono_mb_emit_byte (mb, CEE_CONV_I);
6680 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6681 mono_mb_emit_byte (mb, CEE_ADD);
6683 mono_mb_emit_ldloc (mb, conv_arg);
6684 mono_mb_emit_byte (mb, CEE_LDLEN);
6685 mono_mb_emit_icon (mb, esize);
6686 mono_mb_emit_byte (mb, CEE_MUL);
6687 mono_mb_emit_byte (mb, CEE_PREFIX1);
6688 mono_mb_emit_byte (mb, CEE_CPBLK);
6692 /* Emit marshalling loop */
6693 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6694 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6695 mono_mb_emit_stloc (mb, index_var);
6697 mono_mb_emit_ldloc (mb, index_var);
6698 mono_mb_emit_ldloc (mb, conv_arg);
6699 mono_mb_emit_byte (mb, CEE_LDLEN);
6700 mono_mb_emit_byte (mb, CEE_BGE);
6702 mono_mb_emit_i4 (mb, 0);
6704 /* Emit marshalling code */
6706 g_assert (conv != -1);
6709 mono_mb_emit_ldloc (mb, dest_ptr);
6712 mono_mb_emit_ldloc (mb, conv_arg);
6713 mono_mb_emit_ldloc (mb, index_var);
6715 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6717 mono_mb_emit_icall (mb, conv_to_icall (conv));
6718 mono_mb_emit_byte (mb, CEE_STIND_I);
6721 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6722 mono_mb_emit_exception_marshal_directive (mb, msg);
6726 mono_mb_emit_add_to_local (mb, index_var, 1);
6727 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6729 mono_mb_emit_byte (mb, CEE_BR);
6730 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6732 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6733 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6737 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6739 guint32 label1, label2, label3;
6740 int index_var, src, dest, esize;
6741 MonoMarshalConv conv = -1;
6742 gboolean is_string = FALSE;
6744 g_assert (!t->byref);
6746 eklass = klass->element_class;
6748 mono_marshal_load_type_info (eklass);
6750 if (eklass == mono_defaults.string_class) {
6752 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6755 g_assert_not_reached ();
6759 esize = sizeof (gpointer);
6761 esize = mono_class_native_size (eklass, NULL);
6763 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6764 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6766 mono_mb_emit_stloc (mb, src);
6767 mono_mb_emit_ldloc (mb, src);
6768 mono_mb_emit_stloc (mb, 3);
6770 /* Check for null */
6771 mono_mb_emit_ldloc (mb, src);
6772 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6774 /* Allocate native array */
6775 mono_mb_emit_icon (mb, esize);
6776 mono_mb_emit_ldloc (mb, src);
6777 mono_mb_emit_byte (mb, CEE_LDLEN);
6779 if (eklass == mono_defaults.string_class) {
6780 /* Make the array bigger for the terminating null */
6781 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6782 mono_mb_emit_byte (mb, CEE_ADD);
6784 mono_mb_emit_byte (mb, CEE_MUL);
6785 mono_mb_emit_icall (mb, mono_marshal_alloc);
6786 mono_mb_emit_stloc (mb, dest);
6787 mono_mb_emit_ldloc (mb, dest);
6788 mono_mb_emit_stloc (mb, 3);
6790 /* Emit marshalling loop */
6791 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6792 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6793 mono_mb_emit_stloc (mb, index_var);
6795 mono_mb_emit_ldloc (mb, index_var);
6796 mono_mb_emit_ldloc (mb, src);
6797 mono_mb_emit_byte (mb, CEE_LDLEN);
6798 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6800 /* Emit marshalling code */
6802 g_assert (conv != -1);
6805 mono_mb_emit_ldloc (mb, dest);
6808 mono_mb_emit_ldloc (mb, src);
6809 mono_mb_emit_ldloc (mb, index_var);
6811 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6813 mono_mb_emit_icall (mb, conv_to_icall (conv));
6814 mono_mb_emit_byte (mb, CEE_STIND_I);
6817 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6818 mono_mb_emit_exception_marshal_directive (mb, msg);
6822 mono_mb_emit_add_to_local (mb, index_var, 1);
6823 mono_mb_emit_add_to_local (mb, dest, esize);
6825 mono_mb_emit_byte (mb, CEE_BR);
6826 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6828 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6829 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6833 g_assert_not_reached ();
6840 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
6841 MonoMarshalSpec *spec,
6842 int conv_arg, MonoType **conv_arg_type,
6843 MarshalAction action)
6845 MonoMethodBuilder *mb = m->mb;
6848 case MARSHAL_ACTION_CONV_IN: {
6849 MonoType *local_type;
6850 int variant_bool = 0;
6854 local_type = &mono_defaults.int32_class->byval_arg;
6856 switch (spec->native) {
6857 case MONO_NATIVE_I1:
6858 local_type = &mono_defaults.byte_class->byval_arg;
6860 case MONO_NATIVE_VARIANTBOOL:
6861 local_type = &mono_defaults.int16_class->byval_arg;
6865 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6866 local_type = &mono_defaults.int32_class->byval_arg;
6870 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6871 conv_arg = mono_mb_add_local (mb, local_type);
6872 mono_mb_emit_ldarg (mb, argnum);
6873 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6875 mono_mb_emit_byte (mb, CEE_NEG);
6876 mono_mb_emit_stloc (mb, conv_arg);
6880 case MARSHAL_ACTION_CONV_OUT:
6883 mono_mb_emit_ldarg (mb, argnum);
6884 mono_mb_emit_ldloc (mb, conv_arg);
6885 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
6886 mono_mb_emit_byte (mb, CEE_NEG);
6887 mono_mb_emit_byte (mb, CEE_STIND_I1);
6890 case MARSHAL_ACTION_PUSH:
6892 mono_mb_emit_ldloc_addr (mb, conv_arg);
6894 mono_mb_emit_ldarg (mb, argnum);
6897 case MARSHAL_ACTION_CONV_RESULT:
6898 /* maybe we need to make sure that it fits within 8 bits */
6899 mono_mb_emit_stloc (mb, 3);
6903 g_assert_not_reached ();
6910 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6911 MonoMarshalSpec *spec, int conv_arg,
6912 MonoType **conv_arg_type, MarshalAction action)
6914 MonoMethodBuilder *mb = m->mb;
6917 case MARSHAL_ACTION_CONV_IN:
6918 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
6919 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6920 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6924 case MARSHAL_ACTION_PUSH:
6925 mono_mb_emit_ldarg (mb, argnum);
6928 case MARSHAL_ACTION_CONV_RESULT:
6929 /* no conversions necessary */
6930 mono_mb_emit_stloc (mb, 3);
6941 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
6942 MonoMarshalSpec *spec, int conv_arg,
6943 MonoType **conv_arg_type, MarshalAction action)
6945 MonoMethodBuilder *mb = m->mb;
6948 case MARSHAL_ACTION_PUSH:
6949 /* fixme: dont know how to marshal that. We cant simply
6950 * convert it to a one byte UTF8 character, because an
6951 * unicode character may need more that one byte in UTF8 */
6952 mono_mb_emit_ldarg (mb, argnum);
6955 case MARSHAL_ACTION_CONV_RESULT:
6956 /* fixme: we need conversions here */
6957 mono_mb_emit_stloc (mb, 3);
6968 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
6969 MonoMarshalSpec *spec, int conv_arg,
6970 MonoType **conv_arg_type, MarshalAction action)
6972 MonoMethodBuilder *mb = m->mb;
6975 case MARSHAL_ACTION_PUSH:
6976 mono_mb_emit_ldarg (mb, argnum);
6979 case MARSHAL_ACTION_CONV_RESULT:
6980 /* no conversions necessary */
6981 mono_mb_emit_stloc (mb, 3);
6992 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
6993 MonoMarshalSpec *spec, int conv_arg,
6994 MonoType **conv_arg_type, MarshalAction action)
6996 /* Ensure that we have marshalling info for this param */
6997 mono_marshal_load_type_info (mono_class_from_mono_type (t));
6999 if (spec && spec->native == MONO_NATIVE_CUSTOM)
7000 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7002 if (spec && spec->native == MONO_NATIVE_ASANY)
7003 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7006 case MONO_TYPE_VALUETYPE:
7007 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7008 case MONO_TYPE_STRING:
7009 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7010 case MONO_TYPE_CLASS:
7011 case MONO_TYPE_OBJECT:
7012 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7013 case MONO_TYPE_ARRAY:
7014 case MONO_TYPE_SZARRAY:
7015 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7016 case MONO_TYPE_BOOLEAN:
7017 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7019 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7020 case MONO_TYPE_CHAR:
7021 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7034 case MONO_TYPE_FNPTR:
7035 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
7042 * mono_marshal_emit_native_wrapper:
7043 * @sig: The signature of the native function
7044 * @piinfo: Marshalling information
7045 * @mspecs: Marshalling information
7046 * @func: the native function to call
7048 * generates IL code for the pinvoke wrapper, the generated code calls @func.
7051 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7053 EmitMarshalContext m;
7054 MonoMethodSignature *csig;
7056 int i, argnum, *tmp_locals;
7058 static MonoMethodSignature *get_last_error_sig = NULL;
7063 /* we copy the signature, so that we can set pinvoke to 0 */
7064 csig = signature_dup (mb->method->klass->image, sig);
7068 /* we allocate local for use with emit_struct_conv() */
7069 /* allocate local 0 (pointer) src_ptr */
7070 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7071 /* allocate local 1 (pointer) dst_ptr */
7072 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7073 /* allocate local 2 (boolean) delete_old */
7074 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7076 /* delete_old = FALSE */
7077 mono_mb_emit_icon (mb, 0);
7078 mono_mb_emit_stloc (mb, 2);
7080 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7081 /* allocate local 3 to store the return value */
7082 mono_mb_add_local (mb, sig->ret);
7085 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7086 /* Return type custom marshaling */
7088 * Since we can't determine the return type of the unmanaged function,
7089 * we assume it returns a pointer, and pass that pointer to
7090 * MarshalNativeToManaged.
7092 csig->ret = &mono_defaults.int_class->byval_arg;
7095 /* we first do all conversions */
7096 tmp_locals = alloca (sizeof (int) * sig->param_count);
7097 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
7099 for (i = 0; i < sig->param_count; i ++) {
7100 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
7103 /* push all arguments */
7106 mono_mb_emit_byte (mb, CEE_LDARG_0);
7109 for (i = 0; i < sig->param_count; i++) {
7110 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
7113 /* call the native method */
7114 if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
7115 mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
7118 mono_mb_emit_native_call (mb, csig, func);
7121 /* Set LastError if needed */
7122 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
7123 if (!get_last_error_sig) {
7124 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
7125 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
7126 get_last_error_sig->pinvoke = 1;
7129 #ifdef PLATFORM_WIN32
7131 * Have to call GetLastError () early and without a wrapper, since various runtime components could
7132 * clobber its value.
7134 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
7135 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
7137 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
7141 /* convert the result */
7142 if (!sig->ret->byref) {
7143 MonoMarshalSpec *spec = mspecs [0];
7144 type = sig->ret->type;
7146 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7147 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7152 case MONO_TYPE_VOID:
7154 case MONO_TYPE_VALUETYPE:
7155 klass = sig->ret->data.klass;
7156 if (klass->enumtype) {
7157 type = sig->ret->data.klass->enum_basetype->type;
7160 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7174 case MONO_TYPE_FNPTR:
7175 case MONO_TYPE_STRING:
7176 case MONO_TYPE_CLASS:
7177 case MONO_TYPE_OBJECT:
7178 case MONO_TYPE_BOOLEAN:
7179 case MONO_TYPE_ARRAY:
7180 case MONO_TYPE_SZARRAY:
7181 case MONO_TYPE_CHAR:
7183 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
7185 case MONO_TYPE_TYPEDBYREF:
7187 g_warning ("return type 0x%02x unknown", sig->ret->type);
7188 g_assert_not_reached ();
7192 mono_mb_emit_stloc (mb, 3);
7196 * Need to call this after converting the result since MONO_VTADDR needs
7197 * to be adjacent to the call instruction.
7199 emit_thread_interrupt_checkpoint (mb);
7201 /* we need to convert byref arguments back and free string arrays */
7202 for (i = 0; i < sig->param_count; i++) {
7203 MonoType *t = sig->params [i];
7204 MonoMarshalSpec *spec = mspecs [i + 1];
7206 argnum = i + sig->hasthis;
7208 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
7209 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7214 case MONO_TYPE_STRING:
7215 case MONO_TYPE_VALUETYPE:
7216 case MONO_TYPE_CLASS:
7217 case MONO_TYPE_OBJECT:
7218 case MONO_TYPE_SZARRAY:
7219 case MONO_TYPE_BOOLEAN:
7220 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
7225 if (!MONO_TYPE_IS_VOID(sig->ret))
7226 mono_mb_emit_ldloc (mb, 3);
7228 mono_mb_emit_byte (mb, CEE_RET);
7232 * mono_marshal_get_native_wrapper:
7233 * @method: The MonoMethod to wrap.
7235 * generates IL code for the pinvoke wrapper (the generated method
7236 * calls the unmanaged code in piinfo->addr)
7239 mono_marshal_get_native_wrapper (MonoMethod *method)
7241 MonoMethodSignature *sig, *csig;
7242 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
7243 MonoMethodBuilder *mb;
7244 MonoMarshalSpec **mspecs;
7247 gboolean pinvoke = FALSE;
7249 const char *exc_class = "MissingMethodException";
7250 const char *exc_arg = NULL;
7252 g_assert (method != NULL);
7253 g_assert (mono_method_signature (method)->pinvoke);
7255 cache = method->klass->image->native_wrapper_cache;
7256 if ((res = mono_marshal_find_in_cache (cache, method)))
7259 if (MONO_CLASS_IS_IMPORT (method->klass))
7260 return cominterop_get_native_wrapper (method);
7262 sig = mono_method_signature (method);
7264 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
7265 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7268 if (!piinfo->addr) {
7270 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
7272 piinfo->addr = mono_lookup_internal_call (method);
7275 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7277 mb->method->save_lmf = 1;
7279 if (!piinfo->addr) {
7280 mono_mb_emit_exception (mb, exc_class, exc_arg);
7281 csig = signature_dup (method->klass->image, sig);
7283 res = mono_mb_create_and_cache (cache, method,
7284 mb, csig, csig->param_count + 16);
7289 /* internal calls: we simply push all arguments and call the method (no conversions) */
7290 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
7292 /* hack - string constructors returns a value */
7293 if (method->string_ctor) {
7294 csig = signature_dup (method->klass->image, sig);
7295 csig->ret = &mono_defaults.string_class->byval_arg;
7300 mono_mb_emit_byte (mb, CEE_LDARG_0);
7302 for (i = 0; i < sig->param_count; i++)
7303 mono_mb_emit_ldarg (mb, i + sig->hasthis);
7305 g_assert (piinfo->addr);
7306 mono_mb_emit_native_call (mb, csig, piinfo->addr);
7307 emit_thread_interrupt_checkpoint (mb);
7308 mono_mb_emit_byte (mb, CEE_RET);
7310 csig = signature_dup (method->klass->image, csig);
7312 res = mono_mb_create_and_cache (cache, method,
7313 mb, csig, csig->param_count + 16);
7320 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
7321 mono_method_get_marshal_info (method, mspecs);
7323 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
7325 csig = signature_dup (method->klass->image, sig);
7327 res = mono_mb_create_and_cache (cache, method,
7328 mb, csig, csig->param_count + 16);
7331 for (i = sig->param_count; i >= 0; i--)
7333 mono_metadata_free_marshal_spec (mspecs [i]);
7336 /* 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)); */
7342 * mono_marshal_get_native_func_wrapper:
7343 * @sig: The signature of the function
7344 * @func: The native function to wrap
7346 * Returns a wrapper method around native functions, similar to the pinvoke
7350 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
7351 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
7353 MonoMethodSignature *csig;
7355 MonoMethodBuilder *mb;
7360 cache = mono_defaults.corlib->native_wrapper_cache;
7361 if ((res = mono_marshal_find_in_cache (cache, func)))
7364 name = g_strdup_printf ("wrapper_native_%p", func);
7365 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
7366 mb->method->save_lmf = 1;
7368 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
7370 csig = signature_dup (mb->method->klass->image, sig);
7372 res = mono_mb_create_and_cache (cache, func,
7373 mb, csig, csig->param_count + 16);
7376 /* 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)); */
7382 * generates IL code to call managed methods from unmanaged code
7385 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
7387 static MonoClass *UnmanagedFunctionPointerAttribute;
7388 MonoMethodSignature *sig, *csig, *invoke_sig;
7389 MonoMethodBuilder *mb;
7390 MonoMethod *res, *invoke;
7391 MonoMarshalSpec **mspecs;
7392 MonoMethodPInvoke piinfo;
7395 EmitMarshalContext m;
7397 g_assert (method != NULL);
7398 g_assert (!mono_method_signature (method)->pinvoke);
7401 * FIXME: Should cache the method+delegate type pair, since the same method
7402 * could be called with different delegates, thus different marshalling
7405 cache = method->klass->image->managed_wrapper_cache;
7406 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
7409 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
7410 invoke_sig = mono_method_signature (invoke);
7412 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
7413 mono_method_get_marshal_info (invoke, mspecs);
7415 sig = mono_method_signature (method);
7417 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
7419 /* allocate local 0 (pointer) src_ptr */
7420 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7421 /* allocate local 1 (pointer) dst_ptr */
7422 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7423 /* allocate local 2 (boolean) delete_old */
7424 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7426 if (!MONO_TYPE_IS_VOID(sig->ret)) {
7427 /* allocate local 3 to store the return value */
7428 mono_mb_add_local (mb, sig->ret);
7431 mono_mb_emit_icon (mb, 0);
7432 mono_mb_emit_stloc (mb, 2);
7434 /* we copy the signature, so that we can modify it */
7435 csig = signature_dup (method->klass->image, sig);
7445 #ifdef PLATFORM_WIN32
7447 * Under windows, delegates passed to native code must use the STDCALL
7448 * calling convention.
7450 csig->call_convention = MONO_CALL_STDCALL;
7453 /* Change default calling convention if needed */
7454 /* Why is this a modopt ? */
7455 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
7456 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
7457 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
7458 g_assert (cmod_class);
7459 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7460 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7461 csig->call_convention = MONO_CALL_C;
7462 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7463 csig->call_convention = MONO_CALL_STDCALL;
7464 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7465 csig->call_convention = MONO_CALL_FASTCALL;
7466 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7467 csig->call_convention = MONO_CALL_THISCALL;
7472 /* Handle the UnmanagedFunctionPointerAttribute */
7473 if (!UnmanagedFunctionPointerAttribute)
7474 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
7476 /* The attribute is only available in Net 2.0 */
7477 if (UnmanagedFunctionPointerAttribute) {
7478 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
7479 MonoCustomAttrInfo *cinfo;
7482 * The pinvoke attributes are stored in a real custom attribute so we have to
7485 cinfo = mono_custom_attrs_from_class (delegate_klass);
7487 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
7489 memset (&piinfo, 0, sizeof (piinfo));
7491 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
7493 csig->call_convention = attr->call_conv - 1;
7496 mono_custom_attrs_free (cinfo);
7500 /* fixme: howto handle this ? */
7503 mono_mb_emit_ptr (mb, this);
7506 g_assert_not_reached ();
7510 /* we first do all conversions */
7511 tmp_locals = alloca (sizeof (int) * sig->param_count);
7512 for (i = 0; i < sig->param_count; i ++) {
7513 MonoType *t = sig->params [i];
7516 case MONO_TYPE_OBJECT:
7517 case MONO_TYPE_CLASS:
7518 case MONO_TYPE_VALUETYPE:
7519 case MONO_TYPE_ARRAY:
7520 case MONO_TYPE_SZARRAY:
7521 case MONO_TYPE_STRING:
7522 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7531 emit_thread_interrupt_checkpoint (mb);
7533 for (i = 0; i < sig->param_count; i++) {
7534 MonoType *t = sig->params [i];
7536 if (tmp_locals [i]) {
7538 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7540 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7543 mono_mb_emit_ldarg (mb, i);
7546 mono_mb_emit_managed_call (mb, method, NULL);
7548 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7549 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7552 if (!sig->ret->byref) {
7553 switch (sig->ret->type) {
7554 case MONO_TYPE_VOID:
7556 case MONO_TYPE_BOOLEAN:
7570 case MONO_TYPE_OBJECT:
7571 mono_mb_emit_stloc (mb, 3);
7573 case MONO_TYPE_STRING:
7574 csig->ret = &mono_defaults.int_class->byval_arg;
7575 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7577 case MONO_TYPE_VALUETYPE:
7578 case MONO_TYPE_CLASS:
7579 case MONO_TYPE_SZARRAY:
7580 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7583 g_warning ("return type 0x%02x unknown", sig->ret->type);
7584 g_assert_not_reached ();
7587 mono_mb_emit_stloc (mb, 3);
7590 /* Convert byref arguments back */
7591 for (i = 0; i < sig->param_count; i ++) {
7592 MonoType *t = sig->params [i];
7593 MonoMarshalSpec *spec = mspecs [i + 1];
7595 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7596 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7598 else if (t->byref) {
7600 case MONO_TYPE_CLASS:
7601 case MONO_TYPE_VALUETYPE:
7602 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7606 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7607 /* The [Out] information is encoded in the delegate signature */
7609 case MONO_TYPE_SZARRAY:
7610 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7613 g_assert_not_reached ();
7619 mono_mb_emit_ldloc (mb, m.retobj_var);
7620 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7621 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
7622 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
7625 if (!MONO_TYPE_IS_VOID(sig->ret))
7626 mono_mb_emit_ldloc (mb, 3);
7627 mono_mb_emit_byte (mb, CEE_RET);
7631 res = mono_mb_create_and_cache (cache, method,
7632 mb, csig, sig->param_count + 16);
7635 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
7639 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7641 mono_metadata_free_marshal_spec (mspecs [i]);
7644 /* 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)); */
7649 static MonoReflectionType *
7650 type_from_handle (MonoType *handle)
7652 MonoDomain *domain = mono_domain_get ();
7653 MonoClass *klass = mono_class_from_mono_type (handle);
7655 MONO_ARCH_SAVE_REGS;
7657 mono_class_init (klass);
7658 return mono_type_get_object (domain, handle);
7662 * mono_marshal_get_isinst:
7663 * @klass: the type of the field
7665 * This method generates a function which can be used to check if an object is
7666 * an instance of the given type, icluding the case where the object is a proxy.
7667 * The generated function has the following signature:
7668 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
7671 mono_marshal_get_isinst (MonoClass *klass)
7673 static MonoMethodSignature *isint_sig = NULL;
7676 int pos_was_ok, pos_failed, pos_end, pos_end2;
7678 MonoMethodBuilder *mb;
7680 cache = klass->image->isinst_cache;
7681 if ((res = mono_marshal_find_in_cache (cache, klass)))
7685 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7686 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7687 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7688 isint_sig->pinvoke = 0;
7691 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
7692 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
7695 mb->method->save_lmf = 1;
7697 /* check if the object is a proxy that needs special cast */
7698 mono_mb_emit_ldarg (mb, 0);
7699 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7700 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
7701 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7703 /* The result of MONO_ISINST can be:
7704 0) the type check succeeded
7705 1) the type check did not succeed
7706 2) a CanCastTo call is needed */
7708 mono_mb_emit_byte (mb, CEE_DUP);
7709 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7711 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
7712 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
7714 /* get the real proxy from the transparent proxy*/
7716 mono_mb_emit_ldarg (mb, 0);
7717 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7718 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7722 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7723 mono_mb_emit_byte (mb, CEE_LDNULL);
7724 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
7728 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7729 mono_mb_emit_byte (mb, CEE_POP);
7730 mono_mb_emit_ldarg (mb, 0);
7734 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7735 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
7736 mono_mb_emit_byte (mb, CEE_RET);
7738 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7745 * mono_marshal_get_castclass:
7746 * @klass: the type of the field
7748 * This method generates a function which can be used to cast an object to
7749 * an instance of the given type, icluding the case where the object is a proxy.
7750 * The generated function has the following signature:
7751 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
7754 mono_marshal_get_castclass (MonoClass *klass)
7756 static MonoMethodSignature *castclass_sig = NULL;
7759 int pos_was_ok, pos_was_ok2;
7761 MonoMethodBuilder *mb;
7763 cache = klass->image->castclass_cache;
7764 if ((res = mono_marshal_find_in_cache (cache, klass)))
7767 if (!castclass_sig) {
7768 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7769 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
7770 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
7771 castclass_sig->pinvoke = 0;
7774 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
7775 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
7778 mb->method->save_lmf = 1;
7780 /* check if the object is a proxy that needs special cast */
7781 mono_mb_emit_ldarg (mb, 0);
7782 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7783 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
7784 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7786 /* The result of MONO_ISINST can be:
7787 0) the cast is valid
7788 1) cast of unknown proxy type
7789 or an exception if the cast is is invalid
7792 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7794 /* get the real proxy from the transparent proxy*/
7796 mono_mb_emit_ldarg (mb, 0);
7797 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7798 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7801 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
7804 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7805 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
7806 mono_mb_emit_ldarg (mb, 0);
7809 mono_mb_emit_byte (mb, CEE_RET);
7811 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
7818 mono_marshal_get_proxy_cancast (MonoClass *klass)
7820 static MonoMethodSignature *isint_sig = NULL;
7823 int pos_failed, pos_end;
7825 MonoMethod *can_cast_to;
7826 MonoMethodDesc *desc;
7827 MonoMethodBuilder *mb;
7829 cache = klass->image->proxy_isinst_cache;
7830 if ((res = mono_marshal_find_in_cache (cache, klass)))
7834 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7835 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7836 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7837 isint_sig->pinvoke = 0;
7840 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
7841 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
7844 mb->method->save_lmf = 1;
7846 /* get the real proxy from the transparent proxy*/
7847 mono_mb_emit_ldarg (mb, 0);
7848 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
7849 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7851 /* get the reflection type from the type handle */
7852 mono_mb_emit_ptr (mb, &klass->byval_arg);
7853 mono_mb_emit_icall (mb, type_from_handle);
7855 mono_mb_emit_ldarg (mb, 0);
7857 /* make the call to CanCastTo (type, ob) */
7858 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
7859 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
7860 g_assert (can_cast_to);
7861 mono_method_desc_free (desc);
7862 mono_mb_emit_byte (mb, CEE_CALLVIRT);
7863 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
7866 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
7868 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
7869 mono_mb_emit_ptr (mb, &klass->byval_arg);
7870 mono_mb_emit_icall (mb, type_from_handle);
7871 mono_mb_emit_ldarg (mb, 0);
7873 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
7874 emit_thread_interrupt_checkpoint (mb);
7876 mono_mb_emit_ldarg (mb, 0);
7877 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7881 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7882 mono_mb_emit_byte (mb, CEE_LDNULL);
7886 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7887 mono_mb_emit_byte (mb, CEE_RET);
7889 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7896 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
7899 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
7900 klass = mono_class_from_mono_type (rtype->type);
7901 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
7905 * mono_marshal_get_struct_to_ptr:
7908 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
7911 mono_marshal_get_struct_to_ptr (MonoClass *klass)
7913 MonoMethodBuilder *mb;
7914 static MonoMethod *stoptr = NULL;
7917 g_assert (klass != NULL);
7919 mono_marshal_load_type_info (klass);
7921 if (klass->marshal_info->str_to_ptr)
7922 return klass->marshal_info->str_to_ptr;
7925 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
7928 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
7930 if (klass->blittable) {
7931 mono_mb_emit_byte (mb, CEE_LDARG_1);
7932 mono_mb_emit_byte (mb, CEE_LDARG_0);
7933 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7934 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7935 mono_mb_emit_byte (mb, CEE_PREFIX1);
7936 mono_mb_emit_byte (mb, CEE_CPBLK);
7939 /* allocate local 0 (pointer) src_ptr */
7940 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7941 /* allocate local 1 (pointer) dst_ptr */
7942 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7943 /* allocate local 2 (boolean) delete_old */
7944 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7945 mono_mb_emit_byte (mb, CEE_LDARG_2);
7946 mono_mb_emit_stloc (mb, 2);
7948 /* initialize src_ptr to point to the start of object data */
7949 mono_mb_emit_byte (mb, CEE_LDARG_0);
7950 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7951 mono_mb_emit_stloc (mb, 0);
7953 /* initialize dst_ptr */
7954 mono_mb_emit_byte (mb, CEE_LDARG_1);
7955 mono_mb_emit_stloc (mb, 1);
7957 emit_struct_conv (mb, klass, FALSE);
7960 mono_mb_emit_byte (mb, CEE_RET);
7962 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
7965 klass->marshal_info->str_to_ptr = res;
7970 * mono_marshal_get_ptr_to_struct:
7973 * generates IL code for PtrToStructure (IntPtr src, object structure)
7976 mono_marshal_get_ptr_to_struct (MonoClass *klass)
7978 MonoMethodBuilder *mb;
7979 static MonoMethodSignature *ptostr = NULL;
7982 g_assert (klass != NULL);
7984 mono_marshal_load_type_info (klass);
7986 if (klass->marshal_info->ptr_to_str)
7987 return klass->marshal_info->ptr_to_str;
7990 /* Create the signature corresponding to
7991 static void PtrToStructure (IntPtr ptr, object structure);
7992 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
7993 ptostr = mono_create_icall_signature ("void ptr object");
7995 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
7997 if (klass->blittable) {
7998 mono_mb_emit_byte (mb, CEE_LDARG_1);
7999 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
8000 mono_mb_emit_byte (mb, CEE_LDARG_0);
8001 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
8002 mono_mb_emit_byte (mb, CEE_PREFIX1);
8003 mono_mb_emit_byte (mb, CEE_CPBLK);
8006 /* allocate local 0 (pointer) src_ptr */
8007 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8008 /* allocate local 1 (pointer) dst_ptr */
8009 mono_mb_add_local (mb, &klass->this_arg);
8011 /* initialize src_ptr to point to the start of object data */
8012 mono_mb_emit_byte (mb, CEE_LDARG_0);
8013 mono_mb_emit_stloc (mb, 0);
8015 /* initialize dst_ptr */
8016 mono_mb_emit_byte (mb, CEE_LDARG_1);
8017 mono_mb_emit_byte (mb, CEE_UNBOX);
8018 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
8019 mono_mb_emit_stloc (mb, 1);
8021 emit_struct_conv (mb, klass, TRUE);
8024 mono_mb_emit_byte (mb, CEE_RET);
8026 res = mono_mb_create_method (mb, ptostr, 0);
8029 klass->marshal_info->ptr_to_str = res;
8034 * generates IL code for the synchronized wrapper: the generated method
8035 * calls METHOD while locking 'this' or the parent type.
8038 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
8040 static MonoMethod *enter_method, *exit_method;
8041 MonoMethodSignature *sig;
8042 MonoExceptionClause *clause;
8043 MonoMethodHeader *header;
8044 MonoMethodBuilder *mb;
8047 int i, pos, this_local, ret_local = 0;
8051 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
8054 cache = method->klass->image->synchronized_cache;
8055 if ((res = mono_marshal_find_in_cache (cache, method)))
8058 sig = signature_dup (method->klass->image, mono_method_signature (method));
8061 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
8064 if (!MONO_TYPE_IS_VOID (sig->ret))
8065 ret_local = mono_mb_add_local (mb, sig->ret);
8068 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
8070 mono_loader_lock ();
8071 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
8072 mono_loader_unlock ();
8073 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
8075 if (!enter_method) {
8076 MonoMethodDesc *desc;
8078 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
8079 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8080 g_assert (enter_method);
8081 mono_method_desc_free (desc);
8082 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
8083 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
8084 g_assert (exit_method);
8085 mono_method_desc_free (desc);
8088 /* Push this or the type object */
8089 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
8091 * GetTypeFromHandle isn't called as a managed method because it has
8092 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
8093 * transformed into something else by the JIT.
8095 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
8096 mono_mb_emit_icall (mb, type_from_handle);
8099 mono_mb_emit_ldarg (mb, 0);
8100 mono_mb_emit_stloc (mb, this_local);
8102 /* Call Monitor::Enter() */
8103 mono_mb_emit_ldloc (mb, this_local);
8104 mono_mb_emit_managed_call (mb, enter_method, NULL);
8106 clause->try_offset = mb->pos;
8108 /* Call the method */
8110 mono_mb_emit_ldarg (mb, 0);
8111 for (i = 0; i < sig->param_count; i++)
8112 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
8114 /* this is needed to avoid recursion */
8115 mono_mb_emit_byte (mb, CEE_PREFIX1);
8116 mono_mb_emit_byte (mb, CEE_LDFTN);
8117 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
8118 mono_mb_emit_calli (mb, mono_method_signature (method));
8120 if (!MONO_TYPE_IS_VOID (sig->ret))
8121 mono_mb_emit_stloc (mb, ret_local);
8123 mono_mb_emit_byte (mb, CEE_LEAVE);
8125 mono_mb_emit_i4 (mb, 0);
8127 clause->try_len = mb->pos - clause->try_offset;
8128 clause->handler_offset = mb->pos;
8130 /* Call Monitor::Exit() */
8131 mono_mb_emit_ldloc (mb, this_local);
8132 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
8133 mono_mb_emit_managed_call (mb, exit_method, NULL);
8134 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
8136 clause->handler_len = mb->pos - clause->handler_offset;
8138 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
8139 if (!MONO_TYPE_IS_VOID (sig->ret))
8140 mono_mb_emit_ldloc (mb, ret_local);
8141 mono_mb_emit_byte (mb, CEE_RET);
8143 res = mono_mb_create_and_cache (cache, method,
8144 mb, sig, sig->param_count + 16);
8147 header = ((MonoMethodNormal *)res)->header;
8148 header->num_clauses = 1;
8149 header->clauses = clause;
8156 * the returned method calls 'method' unboxing the this argument
8159 mono_marshal_get_unbox_wrapper (MonoMethod *method)
8161 MonoMethodSignature *sig = mono_method_signature (method);
8163 MonoMethodBuilder *mb;
8167 cache = method->klass->image->unbox_wrapper_cache;
8168 if ((res = mono_marshal_find_in_cache (cache, method)))
8171 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
8173 g_assert (sig->hasthis);
8175 mono_mb_emit_ldarg (mb, 0);
8176 mono_mb_emit_icon (mb, sizeof (MonoObject));
8177 mono_mb_emit_byte (mb, CEE_ADD);
8178 for (i = 0; i < sig->param_count; ++i)
8179 mono_mb_emit_ldarg (mb, i + 1);
8180 mono_mb_emit_managed_call (mb, method, NULL);
8181 mono_mb_emit_byte (mb, CEE_RET);
8183 res = mono_mb_create_and_cache (cache, method,
8184 mb, sig, sig->param_count + 16);
8187 /* 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)); */
8193 mono_marshal_get_stelemref ()
8195 static MonoMethod* ret = NULL;
8196 MonoMethodSignature *sig;
8197 MonoMethodBuilder *mb;
8199 guint32 b1, b2, b3, b4;
8202 int array_slot_addr;
8207 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
8210 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
8212 /* void stelemref (void* array, int idx, void* value) */
8213 sig->ret = &mono_defaults.void_class->byval_arg;
8214 sig->params [0] = &mono_defaults.object_class->byval_arg;
8215 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
8216 sig->params [2] = &mono_defaults.object_class->byval_arg;
8218 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8219 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
8220 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
8224 <ldelema (bound check)>
8228 aklass = array->vtable->klass->element_class;
8229 vklass = value->vtable->klass;
8231 if (vklass->idepth < aklass->idepth)
8234 if (vklass->supertypes [aklass->idepth - 1] != aklass)
8238 *array_slot_addr = value;
8242 if (mono_object_isinst (value, aklass))
8245 throw new ArrayTypeMismatchException ();
8248 /* ldelema (implicit bound check) */
8249 mono_mb_emit_ldarg (mb, 0);
8250 mono_mb_emit_ldarg (mb, 1);
8251 mono_mb_emit_byte (mb, CEE_LDELEMA);
8252 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
8253 mono_mb_emit_stloc (mb, array_slot_addr);
8255 /* if (!value) goto do_store */
8256 mono_mb_emit_ldarg (mb, 2);
8257 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
8259 /* aklass = array->vtable->klass->element_class */
8260 mono_mb_emit_ldarg (mb, 0);
8261 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8262 mono_mb_emit_byte (mb, CEE_LDIND_I);
8263 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8264 mono_mb_emit_byte (mb, CEE_LDIND_I);
8265 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
8266 mono_mb_emit_byte (mb, CEE_LDIND_I);
8267 mono_mb_emit_stloc (mb, aklass);
8269 /* vklass = value->vtable->klass */
8270 mono_mb_emit_ldarg (mb, 2);
8271 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
8272 mono_mb_emit_byte (mb, CEE_LDIND_I);
8273 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
8274 mono_mb_emit_byte (mb, CEE_LDIND_I);
8275 mono_mb_emit_stloc (mb, vklass);
8277 /* if (vklass->idepth < aklass->idepth) goto failue */
8278 mono_mb_emit_ldloc (mb, vklass);
8279 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8280 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8282 mono_mb_emit_ldloc (mb, aklass);
8283 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8284 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8286 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
8288 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
8289 mono_mb_emit_ldloc (mb, vklass);
8290 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
8291 mono_mb_emit_byte (mb, CEE_LDIND_I);
8293 mono_mb_emit_ldloc (mb, aklass);
8294 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
8295 mono_mb_emit_byte (mb, CEE_LDIND_U2);
8296 mono_mb_emit_icon (mb, 1);
8297 mono_mb_emit_byte (mb, CEE_SUB);
8298 mono_mb_emit_icon (mb, sizeof (void*));
8299 mono_mb_emit_byte (mb, CEE_MUL);
8300 mono_mb_emit_byte (mb, CEE_ADD);
8301 mono_mb_emit_byte (mb, CEE_LDIND_I);
8303 mono_mb_emit_ldloc (mb, aklass);
8305 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
8309 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
8310 mono_mb_emit_ldloc (mb, array_slot_addr);
8311 mono_mb_emit_ldarg (mb, 2);
8312 mono_mb_emit_byte (mb, CEE_STIND_REF);
8314 mono_mb_emit_byte (mb, CEE_RET);
8317 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
8318 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
8320 mono_mb_emit_ldarg (mb, 2);
8321 mono_mb_emit_ldloc (mb, aklass);
8322 mono_mb_emit_icall (mb, mono_object_isinst);
8324 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
8325 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
8326 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
8328 mono_mb_emit_byte (mb, CEE_RET);
8329 ret = mono_mb_create_method (mb, sig, 4);
8335 mono_marshal_get_write_barrier (void)
8337 static MonoMethod* ret = NULL;
8338 MonoMethodSignature *sig;
8339 MonoMethodBuilder *mb;
8345 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
8347 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
8349 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
8350 sig->ret = &mono_defaults.void_class->byval_arg;
8351 sig->params [0] = &mono_defaults.object_class->this_arg;
8352 sig->params [1] = &mono_defaults.object_class->byval_arg;
8354 /* just the store right now: add an hook for the GC to use, maybe something
8355 * that can be used for stelemref as well
8356 * We need a write barrier variant to be used with struct copies as well, though
8357 * there are also other approaches possible, like writing a wrapper specific to
8358 * the struct or to the reference pattern in the struct...
8359 * Depending on the GC, we may want variants that take the object we store to
8360 * when it is available.
8362 mono_mb_emit_ldarg (mb, 0);
8363 mono_mb_emit_ldarg (mb, 1);
8364 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
8365 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
8367 mono_mb_emit_byte (mb, CEE_RET);
8369 ret = mono_mb_create_method (mb, sig, max_stack);
8375 mono_marshal_alloc (gulong size)
8379 #ifdef PLATFORM_WIN32
8380 res = CoTaskMemAlloc (size);
8382 res = g_try_malloc ((gulong)size);
8384 mono_gc_out_of_memory ((gulong)size);
8390 mono_marshal_free (gpointer ptr)
8392 #ifdef PLATFORM_WIN32
8393 CoTaskMemFree (ptr);
8400 mono_marshal_free_array (gpointer *ptr, int size)
8407 for (i = 0; i < size; i++)
8413 mono_marshal_realloc (gpointer ptr, gpointer size)
8415 MONO_ARCH_SAVE_REGS;
8417 return g_try_realloc (ptr, (gulong)size);
8421 mono_marshal_string_to_utf16 (MonoString *s)
8423 return s ? mono_string_chars (s) : NULL;
8427 * mono_marshal_set_last_error:
8429 * This function is invoked to set the last error value from a P/Invoke call
8430 * which has SetLastError set.
8433 mono_marshal_set_last_error (void)
8436 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
8438 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
8443 mono_marshal_set_last_error_windows (int error)
8446 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
8451 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
8452 gpointer dest, gint32 length)
8457 MONO_ARCH_SAVE_REGS;
8459 MONO_CHECK_ARG_NULL (src);
8460 MONO_CHECK_ARG_NULL (dest);
8462 g_assert (src->obj.vtable->klass->rank == 1);
8463 g_assert (start_index >= 0);
8464 g_assert (length >= 0);
8465 g_assert (start_index + length <= mono_array_length (src));
8467 element_size = mono_array_element_size (src->obj.vtable->klass);
8469 /* no references should be involved */
8470 source_addr = mono_array_addr_with_size (src, element_size, start_index);
8472 memcpy (dest, source_addr, length * element_size);
8476 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
8477 MonoArray *dest, gint32 length)
8482 MONO_ARCH_SAVE_REGS;
8484 MONO_CHECK_ARG_NULL (src);
8485 MONO_CHECK_ARG_NULL (dest);
8487 g_assert (dest->obj.vtable->klass->rank == 1);
8488 g_assert (start_index >= 0);
8489 g_assert (length >= 0);
8490 g_assert (start_index + length <= mono_array_length (dest));
8492 element_size = mono_array_element_size (dest->obj.vtable->klass);
8494 /* no references should be involved */
8495 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
8497 memcpy (dest_addr, src, length * element_size);
8500 #if NO_UNALIGNED_ACCESS
8501 #define RETURN_UNALIGNED(type, addr) \
8504 memcpy(&val, p + offset, sizeof(val)); \
8507 #define WRITE_UNALIGNED(type, addr, val) \
8508 memcpy(addr, &val, sizeof(type))
8510 #define RETURN_UNALIGNED(type, addr) \
8511 return *(type*)(p + offset);
8512 #define WRITE_UNALIGNED(type, addr, val) \
8513 (*(type *)(addr) = (val))
8517 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
8521 MONO_ARCH_SAVE_REGS;
8523 RETURN_UNALIGNED(gpointer, p + offset);
8527 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
8531 MONO_ARCH_SAVE_REGS;
8533 return *(unsigned char*)(p + offset);
8537 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
8541 MONO_ARCH_SAVE_REGS;
8543 RETURN_UNALIGNED(gint16, p + offset);
8547 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
8551 MONO_ARCH_SAVE_REGS;
8553 RETURN_UNALIGNED(gint32, p + offset);
8557 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
8561 MONO_ARCH_SAVE_REGS;
8563 RETURN_UNALIGNED(gint64, p + offset);
8567 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
8571 MONO_ARCH_SAVE_REGS;
8573 *(unsigned char*)(p + offset) = val;
8577 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
8581 MONO_ARCH_SAVE_REGS;
8583 WRITE_UNALIGNED(gpointer, p + offset, val);
8587 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
8591 MONO_ARCH_SAVE_REGS;
8593 WRITE_UNALIGNED(gint16, p + offset, val);
8597 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
8601 MONO_ARCH_SAVE_REGS;
8603 WRITE_UNALIGNED(gint32, p + offset, val);
8607 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
8611 MONO_ARCH_SAVE_REGS;
8613 WRITE_UNALIGNED(gint64, p + offset, val);
8617 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
8619 MONO_ARCH_SAVE_REGS;
8624 return mono_string_new (mono_domain_get (), ptr);
8628 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
8630 MONO_ARCH_SAVE_REGS;
8633 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8634 g_assert_not_reached ();
8637 return mono_string_new_len (mono_domain_get (), ptr, len);
8641 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
8643 MonoDomain *domain = mono_domain_get ();
8647 MONO_ARCH_SAVE_REGS;
8655 return mono_string_new_utf16 (domain, ptr, len);
8659 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
8661 MonoDomain *domain = mono_domain_get ();
8663 MONO_ARCH_SAVE_REGS;
8666 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8667 g_assert_not_reached ();
8670 return mono_string_new_utf16 (domain, ptr, len);
8674 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
8676 MONO_ARCH_SAVE_REGS;
8678 return mono_string_from_bstr(ptr);
8682 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
8684 MONO_ARCH_SAVE_REGS;
8686 return mono_string_to_bstr(ptr);
8692 int (__attribute__((stdcall)) *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
8693 int (__attribute__((stdcall)) *AddRef)(gpointer pUnk);
8694 int (__attribute__((stdcall)) *Release)(gpointer pUnk);
8699 int (__stdcall *QueryInterface)(gpointer pUnk, gpointer riid, gpointer* ppv);
8700 int (__stdcall *AddRef)(gpointer pUnk);
8701 int (__stdcall *Release)(gpointer pUnk);
8707 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
8709 MONO_ARCH_SAVE_REGS;
8711 mono_free_bstr (ptr);
8715 ves_icall_System_Runtime_InteropServices_Marshal_AddRef (gpointer pUnk)
8717 MONO_ARCH_SAVE_REGS;
8719 return (*(MonoIUnknown**)pUnk)->AddRef(pUnk);
8723 ves_icall_System_Runtime_InteropServices_Marshal_QueryInterface (gpointer pUnk, gpointer riid, gpointer* ppv)
8725 MONO_ARCH_SAVE_REGS;
8727 return (*(MonoIUnknown**)pUnk)->QueryInterface(pUnk, riid, ppv);
8731 ves_icall_System_Runtime_InteropServices_Marshal_Release (gpointer pUnk)
8733 MONO_ARCH_SAVE_REGS;
8735 return (*(MonoIUnknown**)pUnk)->Release(pUnk);
8739 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
8741 MONO_ARCH_SAVE_REGS;
8743 return cominterop_get_com_slot_for_method (m->method);
8747 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
8749 MONO_ARCH_SAVE_REGS;
8751 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
8755 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
8761 MONO_ARCH_SAVE_REGS;
8763 MONO_CHECK_ARG_NULL (rtype);
8766 klass = mono_class_from_mono_type (type);
8767 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
8769 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8773 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
8774 exc = mono_get_exception_argument ("t", msg);
8776 mono_raise_exception (exc);
8780 return mono_class_native_size (klass, NULL);
8784 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
8789 MONO_ARCH_SAVE_REGS;
8791 MONO_CHECK_ARG_NULL (obj);
8792 MONO_CHECK_ARG_NULL (dst);
8794 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
8798 pa [2] = &delete_old;
8800 mono_runtime_invoke (method, NULL, pa, NULL);
8804 ptr_to_structure (gpointer src, MonoObject *dst)
8809 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
8814 mono_runtime_invoke (method, NULL, pa, NULL);
8818 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
8822 MONO_ARCH_SAVE_REGS;
8824 MONO_CHECK_ARG_NULL (src);
8825 MONO_CHECK_ARG_NULL (dst);
8827 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
8829 if (t->type == MONO_TYPE_VALUETYPE) {
8833 tmp = g_strdup_printf ("Destination is a boxed value type.");
8834 exc = mono_get_exception_argument ("dst", tmp);
8837 mono_raise_exception (exc);
8841 ptr_to_structure (src, dst);
8845 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
8847 MonoDomain *domain = mono_domain_get ();
8850 MONO_ARCH_SAVE_REGS;
8852 MONO_CHECK_ARG_NULL (src);
8853 MONO_CHECK_ARG_NULL (type);
8855 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
8857 ptr_to_structure (src, res);
8863 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
8865 MonoMarshalType *info;
8868 int match_index = -1;
8870 MONO_ARCH_SAVE_REGS;
8872 MONO_CHECK_ARG_NULL (type);
8873 MONO_CHECK_ARG_NULL (field_name);
8875 fname = mono_string_to_utf8 (field_name);
8876 klass = mono_class_from_mono_type (type->type);
8878 while (klass && match_index == -1) {
8879 MonoClassField* field;
8881 gpointer iter = NULL;
8882 while ((field = mono_class_get_fields (klass, &iter))) {
8883 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8885 if (!strcmp (fname, field->name)) {
8892 if (match_index == -1)
8893 klass = klass->parent;
8898 if(match_index == -1) {
8902 /* Get back original class instance */
8903 klass = mono_class_from_mono_type (type->type);
8905 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
8906 exc = mono_get_exception_argument ("fieldName", tmp);
8909 mono_raise_exception ((MonoException*)exc);
8912 info = mono_marshal_load_type_info (klass);
8913 return info->fields [match_index].offset;
8917 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
8919 MONO_ARCH_SAVE_REGS;
8921 return mono_string_to_utf8 (string);
8925 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
8927 MONO_ARCH_SAVE_REGS;
8932 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
8933 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
8934 res [mono_string_length (string)] = 0;
8940 mono_struct_delete_old (MonoClass *klass, char *ptr)
8942 MonoMarshalType *info;
8945 info = mono_marshal_load_type_info (klass);
8947 for (i = 0; i < info->num_fields; i++) {
8948 MonoMarshalNative ntype;
8949 MonoMarshalConv conv;
8950 MonoType *ftype = info->fields [i].field->type;
8953 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
8956 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
8957 klass->unicode, &conv);
8959 cpos = ptr + info->fields [i].offset;
8962 case MONO_MARSHAL_CONV_NONE:
8963 if (MONO_TYPE_ISSTRUCT (ftype)) {
8964 mono_struct_delete_old (ftype->data.klass, cpos);
8968 case MONO_MARSHAL_CONV_STR_LPWSTR:
8969 /* We assume this field points inside a MonoString */
8971 case MONO_MARSHAL_CONV_STR_LPSTR:
8972 case MONO_MARSHAL_CONV_STR_LPTSTR:
8973 case MONO_MARSHAL_CONV_STR_BSTR:
8974 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
8975 case MONO_MARSHAL_CONV_STR_TBSTR:
8976 mono_marshal_free (*(gpointer *)cpos);
8985 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
8989 MONO_ARCH_SAVE_REGS;
8991 MONO_CHECK_ARG_NULL (src);
8992 MONO_CHECK_ARG_NULL (type);
8994 klass = mono_class_from_mono_type (type->type);
8996 mono_struct_delete_old (klass, (char *)src);
9000 /* FIXME: on win32 we should probably use GlobalAlloc(). */
9002 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
9006 MONO_ARCH_SAVE_REGS;
9008 if ((gulong)size == 0)
9009 /* This returns a valid pointer for size 0 on MS.NET */
9012 res = g_try_malloc ((gulong)size);
9014 mono_gc_out_of_memory ((gulong)size);
9020 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
9022 MONO_ARCH_SAVE_REGS;
9028 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
9030 MONO_ARCH_SAVE_REGS;
9032 #ifdef PLATFORM_WIN32
9033 return CoTaskMemAlloc (size);
9035 return g_try_malloc ((gulong)size);
9040 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
9042 MONO_ARCH_SAVE_REGS;
9044 #ifdef PLATFORM_WIN32
9045 CoTaskMemFree (ptr);
9052 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
9054 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
9058 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
9060 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
9063 /* Only used for COM RCWs */
9065 ves_icall_System_ComObject_CreateRCW (MonoReflectionType *type)
9070 MONO_ARCH_SAVE_REGS;
9072 domain = mono_object_domain (type);
9073 klass = mono_class_from_mono_type (type->type);
9075 /* call mono_object_new_alloc_specific instead of mono_object_new
9076 * because we want to actually create object. mono_object_new checks
9077 * to see if type is import and creates transparent proxy. this method
9078 * is called by the corresponding real proxy to create the real RCW.
9080 return mono_object_new_alloc_specific (mono_class_vtable (domain, klass));
9084 cominterop_finalizer (gpointer key, gpointer value, gpointer user_data)
9086 ves_icall_System_Runtime_InteropServices_Marshal_Release (value);
9091 ves_icall_System_ComObject_Finalizer(MonoComObject* obj)
9094 g_assert(obj->itf_hash);
9095 g_hash_table_foreach_remove (obj->itf_hash, cominterop_finalizer, NULL);
9098 #define MONO_IUNKNOWN_INTERFACE_SLOT 0
9101 ves_icall_System_ComObject_FindInterface (MonoComObject* obj, MonoReflectionType* type)
9105 g_assert(obj->itf_hash);
9107 klass = mono_class_from_mono_type (type->type);
9109 return g_hash_table_lookup (obj->itf_hash, klass->interface_id);
9113 ves_icall_System_ComObject_CacheInterface (MonoComObject* obj, MonoReflectionType* type, gpointer pItf)
9117 g_assert(obj->itf_hash);
9119 klass = mono_class_from_mono_type (type->type);
9121 g_hash_table_insert (obj->itf_hash, klass->interface_id, pItf);
9125 ves_icall_System_ComObject_GetIUnknown (MonoComObject* obj)
9128 g_assert(obj->itf_hash);
9129 return g_hash_table_lookup (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT);
9133 ves_icall_System_ComObject_SetIUnknown (MonoComObject* obj, gpointer pUnk)
9136 g_assert(!obj->itf_hash);
9137 obj->itf_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
9138 g_hash_table_insert (obj->itf_hash, MONO_IUNKNOWN_INTERFACE_SLOT, pUnk);
9142 mono_marshal_load_type_info (MonoClass* klass)
9145 guint32 native_size = 0, min_align = 1;
9146 MonoMarshalType *info;
9147 MonoClassField* field;
9151 g_assert (klass != NULL);
9153 if (klass->marshal_info)
9154 return klass->marshal_info;
9157 mono_class_init (klass);
9160 while ((field = mono_class_get_fields (klass, &iter))) {
9161 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9163 if (mono_field_is_deleted (field))
9168 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
9170 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
9171 info->num_fields = count;
9173 /* Try to find a size for this type in metadata */
9174 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
9176 if (klass->parent) {
9177 int parent_size = mono_class_native_size (klass->parent, NULL);
9179 /* Add parent size to real size */
9180 native_size += parent_size;
9181 info->native_size = parent_size;
9186 while ((field = mono_class_get_fields (klass, &iter))) {
9190 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
9193 if (mono_field_is_deleted (field))
9195 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
9196 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
9197 NULL, NULL, &info->fields [j].mspec);
9199 info->fields [j].field = field;
9201 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
9202 (strcmp (field->name, "$PRIVATE$") == 0)) {
9203 /* This field is a hack inserted by MCS to empty structures */
9208 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
9209 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
9210 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9211 &align, TRUE, klass->unicode);
9212 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9213 min_align = MAX (align, min_align);
9214 info->fields [j].offset = info->native_size;
9215 info->fields [j].offset += align - 1;
9216 info->fields [j].offset &= ~(align - 1);
9217 info->native_size = info->fields [j].offset + size;
9219 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
9220 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
9221 &align, TRUE, klass->unicode);
9222 align = klass->packing_size ? MIN (klass->packing_size, align): align;
9223 min_align = MAX (align, min_align);
9224 info->fields [j].offset = field->offset - sizeof (MonoObject);
9225 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
9231 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
9232 info->native_size = MAX (native_size, info->native_size);
9235 if (info->native_size & (min_align - 1)) {
9236 info->native_size += min_align - 1;
9237 info->native_size &= ~(min_align - 1);
9240 /* Update the class's blittable info, if the layouts don't match */
9241 if (info->native_size != mono_class_value_size (klass, NULL))
9242 klass->blittable = FALSE;
9244 /* If this is an array type, ensure that we have element info */
9245 if (klass->element_class) {
9246 mono_marshal_load_type_info (klass->element_class);
9249 return klass->marshal_info;
9253 * mono_class_native_size:
9256 * Returns: the native size of an object instance (when marshaled
9257 * to unmanaged code)
9260 mono_class_native_size (MonoClass *klass, guint32 *align)
9262 if (!klass->marshal_info)
9263 mono_marshal_load_type_info (klass);
9266 *align = klass->min_align;
9268 return klass->marshal_info->native_size;
9272 * mono_type_native_stack_size:
9273 * @t: the type to return the size it uses on the stack
9275 * Returns: the number of bytes required to hold an instance of this
9276 * type on the native stack
9279 mono_type_native_stack_size (MonoType *t, guint32 *align)
9283 g_assert (t != NULL);
9294 case MONO_TYPE_BOOLEAN:
9295 case MONO_TYPE_CHAR:
9304 case MONO_TYPE_STRING:
9305 case MONO_TYPE_OBJECT:
9306 case MONO_TYPE_CLASS:
9307 case MONO_TYPE_SZARRAY:
9309 case MONO_TYPE_FNPTR:
9310 case MONO_TYPE_ARRAY:
9311 case MONO_TYPE_TYPEDBYREF:
9322 case MONO_TYPE_VALUETYPE: {
9325 if (t->data.klass->enumtype)
9326 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
9328 size = mono_class_native_size (t->data.klass, align);
9329 *align = *align + 3;
9339 g_error ("type 0x%02x unknown", t->type);
9344 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
9345 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
9346 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
9347 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
9350 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
9351 gboolean as_field, gboolean unicode)
9353 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
9356 switch (native_type) {
9357 case MONO_NATIVE_BOOLEAN:
9360 case MONO_NATIVE_I1:
9361 case MONO_NATIVE_U1:
9364 case MONO_NATIVE_I2:
9365 case MONO_NATIVE_U2:
9366 case MONO_NATIVE_VARIANTBOOL:
9369 case MONO_NATIVE_I4:
9370 case MONO_NATIVE_U4:
9371 case MONO_NATIVE_ERROR:
9374 case MONO_NATIVE_I8:
9375 case MONO_NATIVE_U8:
9376 *align = ALIGNMENT(guint64);
9378 case MONO_NATIVE_R4:
9381 case MONO_NATIVE_R8:
9382 *align = ALIGNMENT(double);
9384 case MONO_NATIVE_INT:
9385 case MONO_NATIVE_UINT:
9386 case MONO_NATIVE_LPSTR:
9387 case MONO_NATIVE_LPWSTR:
9388 case MONO_NATIVE_LPTSTR:
9389 case MONO_NATIVE_BSTR:
9390 case MONO_NATIVE_ANSIBSTR:
9391 case MONO_NATIVE_TBSTR:
9392 case MONO_NATIVE_LPARRAY:
9393 case MONO_NATIVE_SAFEARRAY:
9394 case MONO_NATIVE_IUNKNOWN:
9395 case MONO_NATIVE_IDISPATCH:
9396 case MONO_NATIVE_INTERFACE:
9397 case MONO_NATIVE_ASANY:
9398 case MONO_NATIVE_FUNC:
9399 case MONO_NATIVE_LPSTRUCT:
9400 *align = ALIGNMENT(gpointer);
9401 return sizeof (gpointer);
9402 case MONO_NATIVE_STRUCT:
9403 klass = mono_class_from_mono_type (type);
9404 return mono_class_native_size (klass, align);
9405 case MONO_NATIVE_BYVALTSTR: {
9406 int esize = unicode ? 2: 1;
9409 return mspec->data.array_data.num_elem * esize;
9411 case MONO_NATIVE_BYVALARRAY: {
9412 // FIXME: Have to consider ArraySubType
9414 klass = mono_class_from_mono_type (type);
9415 if (klass->element_class == mono_defaults.char_class) {
9416 esize = unicode ? 2 : 1;
9419 esize = mono_class_native_size (klass->element_class, align);
9422 return mspec->data.array_data.num_elem * esize;
9424 case MONO_NATIVE_CUSTOM:
9425 g_assert_not_reached ();
9427 case MONO_NATIVE_CURRENCY:
9428 case MONO_NATIVE_VBBYREFSTR:
9430 g_error ("native type %02x not implemented", native_type);
9433 g_assert_not_reached ();
9438 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
9446 t = &o->vtable->klass->byval_arg;
9453 case MONO_TYPE_BOOLEAN:
9456 case MONO_TYPE_CHAR:
9461 return mono_object_unbox (o);
9463 case MONO_TYPE_STRING:
9464 switch (string_encoding) {
9465 case MONO_NATIVE_LPWSTR:
9466 return mono_string_to_utf16 ((MonoString*)o);
9468 case MONO_NATIVE_LPSTR:
9469 return mono_string_to_lpstr ((MonoString*)o);
9472 g_warning ("marshaling conversion %d not implemented", string_encoding);
9473 g_assert_not_reached ();
9476 case MONO_TYPE_CLASS:
9477 case MONO_TYPE_VALUETYPE: {
9481 MonoBoolean delete_old = FALSE;
9483 klass = t->data.klass;
9485 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
9488 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9489 klass->blittable || klass->enumtype))
9490 return mono_object_unbox (o);
9492 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
9494 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9495 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
9499 pa [2] = &delete_old;
9501 mono_runtime_invoke (method, NULL, pa, NULL);
9508 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
9514 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
9522 t = &o->vtable->klass->byval_arg;
9524 case MONO_TYPE_STRING:
9525 switch (string_encoding) {
9526 case MONO_NATIVE_LPWSTR:
9527 case MONO_NATIVE_LPSTR:
9528 mono_marshal_free (ptr);
9531 g_warning ("marshaling conversion %d not implemented", string_encoding);
9532 g_assert_not_reached ();
9535 case MONO_TYPE_CLASS:
9536 case MONO_TYPE_VALUETYPE: {
9537 klass = t->data.klass;
9539 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
9540 klass->blittable || klass->enumtype))
9543 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
9544 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
9550 mono_runtime_invoke (method, NULL, pa, NULL);
9553 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9554 mono_struct_delete_old (klass, ptr);
9557 mono_marshal_free (ptr);