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 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
151 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
153 mono_register_jit_icall (func, name, sig, save);
156 static MonoMethodSignature*
157 signature_dup (MonoImage *image, MonoMethodSignature *sig)
159 MonoMethodSignature *res;
162 sigsize = sizeof (MonoMethodSignature) + ((sig->param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType *));
164 res = mono_mempool_alloc (image->mempool, sigsize);
165 mono_loader_unlock ();
166 memcpy (res, sig, sigsize);
171 static MonoMethodSignature*
172 signature_no_pinvoke (MonoMethod *method)
174 MonoMethodSignature *sig = mono_method_signature (method);
176 sig = signature_dup (method->klass->image, sig);
177 sig->pinvoke = FALSE;
184 mono_marshal_init (void)
186 static gboolean module_initialized = FALSE;
188 if (!module_initialized) {
189 module_initialized = TRUE;
190 InitializeCriticalSection (&marshal_mutex);
191 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
192 last_error_tls_id = TlsAlloc ();
194 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
195 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
196 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
197 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
198 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
199 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
200 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
201 register_icall (mono_string_from_bstr, "mono_string_from_bstr", "obj ptr", FALSE);
202 register_icall (mono_free_bstr, "mono_free_bstr", "void ptr", FALSE);
203 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
204 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
205 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
206 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
207 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
208 register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
209 register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
210 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
211 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
212 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
213 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
214 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
215 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
216 register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", FALSE);
217 register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", FALSE);
218 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
219 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
220 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
221 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
222 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
223 register_icall (g_free, "g_free", "void ptr", FALSE);
224 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
225 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
226 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
227 register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
228 register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
229 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
230 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
231 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
232 register_icall (mono_compile_method, "mono_compile_method", "ptr ptr", FALSE);
233 register_icall (mono_context_get, "mono_context_get", "object", FALSE);
234 register_icall (mono_context_set, "mono_context_set", "void object", FALSE);
235 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
236 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
237 register_icall (mono_gc_wbarrier_generic_store, "wb_generic", "void ptr object", FALSE);
242 mono_marshal_cleanup (void)
244 g_hash_table_destroy (wrapper_hash);
245 TlsFree (last_error_tls_id);
246 DeleteCriticalSection (&marshal_mutex);
249 MonoClass *byte_array_class;
250 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
251 static MonoMethod *method_set_context, *method_get_context;
252 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
255 mono_remoting_marshal_init (void)
259 static gboolean module_initialized = FALSE;
261 if (!module_initialized) {
262 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
263 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
264 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
265 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
267 klass = mono_defaults.real_proxy_class;
268 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
270 klass = mono_defaults.exception_class;
271 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
273 klass = mono_defaults.thread_class;
274 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
276 klass = mono_defaults.appdomain_class;
277 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
278 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
280 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
281 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
283 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
284 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
286 module_initialized = TRUE;
291 mono_delegate_to_ftnptr (MonoDelegate *delegate)
293 MonoMethod *method, *wrapper;
299 if (delegate->delegate_trampoline)
300 return delegate->delegate_trampoline;
302 klass = ((MonoObject *)delegate)->vtable->klass;
303 g_assert (klass->delegate);
305 method = delegate->method_info->method;
307 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
309 delegate->delegate_trampoline = mono_compile_method (wrapper);
311 // Add the delegate to the delegate hash table
312 delegate_hash_table_add (delegate);
314 /* when the object is collected, collect the dunamic method, too */
315 mono_object_register_finalizer ((MonoObject*)delegate);
317 return delegate->delegate_trampoline;
320 static GHashTable *delegate_hash_table;
323 delegate_hash_table_new (void) {
324 return g_hash_table_new (NULL, NULL);
328 delegate_hash_table_remove (MonoDelegate *d)
330 mono_marshal_lock ();
331 if (delegate_hash_table == NULL)
332 delegate_hash_table = delegate_hash_table_new ();
333 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
334 mono_marshal_unlock ();
338 delegate_hash_table_add (MonoDelegate *d)
340 mono_marshal_lock ();
341 if (delegate_hash_table == NULL)
342 delegate_hash_table = delegate_hash_table_new ();
343 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
344 mono_marshal_unlock ();
348 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
352 mono_marshal_lock ();
353 if (delegate_hash_table == NULL)
354 delegate_hash_table = delegate_hash_table_new ();
356 d = g_hash_table_lookup (delegate_hash_table, ftn);
357 mono_marshal_unlock ();
359 /* This is a native function, so construct a delegate for it */
360 static MonoClass *UnmanagedFunctionPointerAttribute;
361 MonoMethodSignature *sig;
363 MonoMarshalSpec **mspecs;
364 MonoCustomAttrInfo *cinfo;
365 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
366 MonoMethod *invoke = mono_get_delegate_invoke (klass);
367 MonoMethodPInvoke piinfo;
370 memset (&piinfo, 0, sizeof (piinfo));
371 if (!UnmanagedFunctionPointerAttribute)
372 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
374 /* The attribute is only available in Net 2.0 */
375 if (UnmanagedFunctionPointerAttribute) {
377 * The pinvoke attributes are stored in a real custom attribute so we have to
380 cinfo = mono_custom_attrs_from_class (klass);
382 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
384 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
387 mono_custom_attrs_free (cinfo);
391 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
392 mono_method_get_marshal_info (invoke, mspecs);
393 sig = signature_dup (invoke->klass->image, mono_method_signature (invoke));
396 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
398 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
400 mono_metadata_free_marshal_spec (mspecs [i]);
404 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
405 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
408 if (d->object.vtable->domain != mono_domain_get ())
409 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
415 mono_delegate_free_ftnptr (MonoDelegate *delegate)
420 delegate_hash_table_remove (delegate);
422 ptr = (gpointer)InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
424 if (!delegate->target) {
425 /* The wrapper method is shared between delegates -> no need to free it */
430 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
433 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
438 mono_array_to_savearray (MonoArray *array)
443 g_assert_not_reached ();
448 mono_array_to_lparray (MonoArray *array)
453 /* fixme: maybe we need to make a copy */
454 return array->vector;
458 mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
460 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
462 if (elclass == mono_defaults.byte_class) {
463 GError *error = NULL;
467 ut = g_utf8_to_utf16 (native_arr, elnum, NULL, &items_written, &error);
470 memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
474 g_error_free (error);
477 g_assert_not_reached ();
481 mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
483 g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
485 if (elclass == mono_defaults.byte_class) {
487 GError *error = NULL;
489 as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
491 MonoException *exc = mono_get_exception_argument ("string", error->message);
492 g_error_free (error);
493 mono_raise_exception (exc);
496 memcpy (native_arr, as, MIN (strlen (as), elnum));
500 g_assert_not_reached ();
504 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
506 GError *error = NULL;
516 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
518 if (items_written > mono_stringbuilder_capacity (sb))
519 items_written = mono_stringbuilder_capacity (sb);
522 if (! sb->str || sb->str == sb->cached_str) {
523 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), items_written));
524 sb->cached_str = NULL;
527 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
528 sb->length = items_written;
530 g_error_free (error);
536 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
543 g_assert (mono_string_chars (sb->str) == text);
545 for (len = 0; text [len] != 0; ++len)
552 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
554 GError *error = NULL;
561 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
563 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
565 g_error_free (error);
566 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
569 memcpy (res, tmp, sb->length + 1);
577 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
583 * The sb could have been allocated with the default capacity and be empty.
584 * we need to alloc a buffer of the default capacity in this case.
587 MONO_OBJECT_SETREF (sb, str, mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb)));
589 * The stringbuilder might not have ownership of this string. If this is
590 * the case, we must duplicate the string, so that we don't munge immutable
593 else if (sb->str == sb->cached_str) {
594 MONO_OBJECT_SETREF (sb, str, mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb)));
595 sb->cached_str = NULL;
598 return mono_string_chars (sb->str);
602 mono_string_to_lpstr (MonoString *s)
604 #ifdef PLATFORM_WIN32
607 GError *error = NULL;
613 as = CoTaskMemAlloc (1);
618 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
620 MonoException *exc = mono_get_exception_argument ("string", error->message);
621 g_error_free (error);
622 mono_raise_exception(exc);
626 as = CoTaskMemAlloc (len + 1);
627 memcpy (as, tmp, len + 1);
631 return mono_string_to_utf8 (s);
636 mono_string_to_ansibstr (MonoString *string_obj)
638 g_error ("UnmanagedMarshal.BStr is not implemented.");
643 mono_string_to_bstr (MonoString *string_obj)
645 #ifdef PLATFORM_WIN32
646 return SysAllocStringLen (mono_string_chars (string_obj), mono_string_length (string_obj));
648 g_error ("UnmanagedMarshal.BStr is not implemented.");
654 mono_string_from_bstr (gpointer bstr)
656 #ifdef PLATFORM_WIN32
657 MonoDomain *domain = mono_domain_get ();
658 return mono_string_new_utf16 (domain, bstr, SysStringLen (bstr));
660 g_error ("UnmanagedMarshal.BStr is not implemented.");
666 mono_free_bstr (gpointer bstr)
668 #ifdef PLATFORM_WIN32
669 SysFreeString ((BSTR)bstr);
671 g_error ("Free BSTR is not implemented.");
676 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
681 g_assert (dst != NULL);
684 memset (dst, 0, size);
689 s = mono_string_to_utf8 (src);
690 len = MIN (size, strlen (s));
691 memcpy (dst, s, len);
694 *((char *)dst + size - 1) = 0;
698 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
702 g_assert (dst != NULL);
706 memset (dst, 0, size);
710 len = MIN (size, (mono_string_length (src) * 2));
711 memcpy (dst, mono_string_chars (src), len);
713 *((char *)dst + size - 1) = 0;
714 *((char *)dst + size - 2) = 0;
718 mono_mb_free (MonoMethodBuilder *mb)
720 g_list_free (mb->locals_list);
730 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
732 MonoMethodBuilder *mb;
735 g_assert (klass != NULL);
736 g_assert (name != NULL);
738 mb = g_new0 (MonoMethodBuilder, 1);
740 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
744 m->wrapper_type = type;
746 mb->name = g_strdup (name);
748 mb->code = g_malloc (mb->code_size);
754 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
758 g_assert (mb != NULL);
759 g_assert (type != NULL);
762 mb->locals_list = g_list_append (mb->locals_list, type);
769 * mono_mb_create_method:
771 * Create a MonoMethod from this method builder.
772 * Returns: the newly created method.
774 * LOCKING: Assumes the loader lock is held.
777 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
779 MonoMethodHeader *header;
780 MonoMethodWrapper *mw;
786 g_assert (mb != NULL);
788 mp = mb->method->klass->image->mempool;
793 method->name = mb->name;
794 method->dynamic = TRUE;
796 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
797 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
799 header->code = mb->code;
801 /* Realloc the method info into a mempool */
803 method = mono_mempool_alloc (mp, sizeof (MonoMethodWrapper));
804 memcpy (method, mb->method, sizeof (MonoMethodWrapper));
806 method->name = mono_mempool_strdup (mp, mb->name);
808 ((MonoMethodNormal *)method)->header = header = (MonoMethodHeader *)
809 mono_mempool_alloc0 (mp, sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
811 header->code = mono_mempool_alloc (mp, mb->pos);
812 memcpy ((char*)header->code, mb->code, mb->pos);
818 header->max_stack = max_stack;
820 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
821 header->locals [i] = (MonoType *)l->data;
824 method->signature = signature;
826 header->code_size = mb->pos;
827 header->num_locals = mb->locals;
829 mw = (MonoMethodWrapper*) mb->method;
830 i = g_list_length (mw->method_data);
834 l = g_list_reverse (mw->method_data);
836 data = g_malloc (sizeof (gpointer) * (i + 1));
838 data = mono_mempool_alloc (mp, sizeof (gpointer) * (i + 1));
839 /* store the size in the first element */
840 data [0] = GUINT_TO_POINTER (i);
842 for (tmp = l; tmp; tmp = tmp->next) {
843 data [i++] = tmp->data;
847 ((MonoMethodWrapper*)method)->method_data = data;
850 static int total_code = 0;
851 static int total_alloc = 0;
852 total_code += mb->pos;
853 total_alloc += mb->code_size;
854 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
857 #ifdef DEBUG_RUNTIME_CODE
858 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (method, TRUE));
859 printf ("%s\n", mono_disasm_code (&marshal_dh, method, mb->code, mb->code + mb->pos));
866 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
868 MonoMethodWrapper *mw;
870 g_assert (mb != NULL);
872 mw = (MonoMethodWrapper *)mb->method;
874 /* one O(n) is enough */
875 mw->method_data = g_list_prepend (mw->method_data, data);
877 return g_list_length (mw->method_data);
881 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
883 mb->code [pos] = value & 0xff;
884 mb->code [pos + 1] = (value >> 8) & 0xff;
885 mb->code [pos + 2] = (value >> 16) & 0xff;
886 mb->code [pos + 3] = (value >> 24) & 0xff;
890 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
892 *((gint8 *)(&mb->code [pos])) = value;
896 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
898 if (mb->pos >= mb->code_size) {
899 mb->code_size += mb->code_size >> 1;
900 mb->code = g_realloc (mb->code, mb->code_size);
903 mb->code [mb->pos++] = op;
907 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
909 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
910 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
913 mono_mb_emit_icon (mb, offset);
914 mono_mb_emit_byte (mb, CEE_ADD);
919 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
922 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
923 mono_mb_emit_byte (mb, CEE_LDIND_I);
924 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
925 mono_mb_emit_byte (mb, CEE_ADD);
926 mono_mb_emit_byte (mb, CEE_LDIND_I);
927 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
928 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
929 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
930 mono_mb_emit_byte (mb, branch_code);
932 mono_mb_emit_i4 (mb, 0);
937 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
940 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
941 mono_mb_emit_byte (mb, CEE_LDIND_REF);
942 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
943 mono_mb_emit_byte (mb, CEE_LDIND_I4);
944 mono_mb_emit_icon (mb, -1);
945 mono_mb_emit_byte (mb, branch_code);
947 mono_mb_emit_i4 (mb, 0);
952 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
954 if ((mb->pos + 4) >= mb->code_size) {
955 mb->code_size += mb->code_size >> 1;
956 mb->code = g_realloc (mb->code, mb->code_size);
959 mono_mb_patch_addr (mb, mb->pos, data);
964 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
966 if ((mb->pos + 2) >= mb->code_size) {
967 mb->code_size += mb->code_size >> 1;
968 mb->code = g_realloc (mb->code, mb->code_size);
971 mb->code [mb->pos] = data & 0xff;
972 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
977 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
979 mono_mb_emit_byte (mb, CEE_LDSTR);
980 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
985 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
988 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
989 } else if (argnum < 256) {
990 mono_mb_emit_byte (mb, CEE_LDARG_S);
991 mono_mb_emit_byte (mb, argnum);
993 mono_mb_emit_byte (mb, CEE_PREFIX1);
994 mono_mb_emit_byte (mb, CEE_LDARG);
995 mono_mb_emit_i2 (mb, argnum);
1000 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
1003 mono_mb_emit_byte (mb, CEE_LDARGA_S);
1004 mono_mb_emit_byte (mb, argnum);
1006 mono_mb_emit_byte (mb, CEE_PREFIX1);
1007 mono_mb_emit_byte (mb, CEE_LDARGA);
1008 mono_mb_emit_i2 (mb, argnum);
1013 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
1016 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
1017 mono_mb_emit_byte (mb, locnum);
1019 mono_mb_emit_byte (mb, CEE_PREFIX1);
1020 mono_mb_emit_byte (mb, CEE_LDLOCA);
1021 mono_mb_emit_i2 (mb, locnum);
1026 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
1029 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
1030 } else if (num < 256) {
1031 mono_mb_emit_byte (mb, CEE_LDLOC_S);
1032 mono_mb_emit_byte (mb, num);
1034 mono_mb_emit_byte (mb, CEE_PREFIX1);
1035 mono_mb_emit_byte (mb, CEE_LDLOC);
1036 mono_mb_emit_i2 (mb, num);
1041 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
1044 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
1045 } else if (num < 256) {
1046 mono_mb_emit_byte (mb, CEE_STLOC_S);
1047 mono_mb_emit_byte (mb, num);
1049 mono_mb_emit_byte (mb, CEE_PREFIX1);
1050 mono_mb_emit_byte (mb, CEE_STLOC);
1051 mono_mb_emit_i2 (mb, num);
1056 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
1058 if (value >= -1 && value < 8) {
1059 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
1060 } else if (value >= -128 && value <= 127) {
1061 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
1062 mono_mb_emit_byte (mb, value);
1064 mono_mb_emit_byte (mb, CEE_LDC_I4);
1065 mono_mb_emit_i4 (mb, value);
1070 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
1073 mono_mb_emit_byte (mb, op);
1075 mono_mb_emit_i4 (mb, 0);
1080 mono_mb_emit_ptr (MonoMethodBuilder *mb, gpointer ptr)
1082 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1083 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1084 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ptr));
1088 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
1090 mono_mb_emit_byte (mb, CEE_CALLI);
1091 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1095 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
1097 mono_mb_emit_byte (mb, CEE_CALL);
1098 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1102 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
1104 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1105 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
1106 mono_mb_emit_ptr (mb, func);
1107 mono_mb_emit_calli (mb, sig);
1108 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1109 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
1113 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
1115 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1116 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
1117 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
1121 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
1123 MonoMethod *ctor = NULL;
1125 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
1126 mono_class_init (mme);
1127 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
1129 mono_mb_emit_byte (mb, CEE_NEWOBJ);
1130 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
1132 mono_mb_emit_byte (mb, CEE_DUP);
1133 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
1134 mono_mb_emit_ldstr (mb, (char*)msg);
1135 mono_mb_emit_byte (mb, CEE_STIND_REF);
1137 mono_mb_emit_byte (mb, CEE_THROW);
1141 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
1143 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
1147 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
1149 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
1153 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
1155 mono_mb_emit_ldloc (mb, local);
1156 mono_mb_emit_icon (mb, incr);
1157 mono_mb_emit_byte (mb, CEE_ADD);
1158 mono_mb_emit_stloc (mb, local);
1162 mono_type_to_ldind (MonoType *type)
1168 switch (type->type) {
1170 return CEE_LDIND_I1;
1172 case MONO_TYPE_BOOLEAN:
1173 return CEE_LDIND_U1;
1175 return CEE_LDIND_I2;
1177 case MONO_TYPE_CHAR:
1178 return CEE_LDIND_U2;
1180 return CEE_LDIND_I4;
1182 return CEE_LDIND_U4;
1186 case MONO_TYPE_FNPTR:
1188 case MONO_TYPE_CLASS:
1189 case MONO_TYPE_STRING:
1190 case MONO_TYPE_OBJECT:
1191 case MONO_TYPE_SZARRAY:
1192 case MONO_TYPE_ARRAY:
1193 return CEE_LDIND_REF;
1196 return CEE_LDIND_I8;
1198 return CEE_LDIND_R4;
1200 return CEE_LDIND_R8;
1201 case MONO_TYPE_VALUETYPE:
1202 if (type->data.klass->enumtype) {
1203 type = type->data.klass->enum_basetype;
1207 case MONO_TYPE_TYPEDBYREF:
1209 case MONO_TYPE_GENERICINST:
1210 type = &type->data.generic_class->container_class->byval_arg;
1213 g_error ("unknown type 0x%02x in type_to_ldind", type->type);
1219 mono_type_to_stind (MonoType *type)
1225 switch (type->type) {
1228 case MONO_TYPE_BOOLEAN:
1229 return CEE_STIND_I1;
1232 case MONO_TYPE_CHAR:
1233 return CEE_STIND_I2;
1236 return CEE_STIND_I4;
1240 case MONO_TYPE_FNPTR:
1242 case MONO_TYPE_CLASS:
1243 case MONO_TYPE_STRING:
1244 case MONO_TYPE_OBJECT:
1245 case MONO_TYPE_SZARRAY:
1246 case MONO_TYPE_ARRAY:
1247 return CEE_STIND_REF;
1250 return CEE_STIND_I8;
1252 return CEE_STIND_R4;
1254 return CEE_STIND_R8;
1255 case MONO_TYPE_VALUETYPE:
1256 if (type->data.klass->enumtype) {
1257 type = type->data.klass->enum_basetype;
1261 case MONO_TYPE_TYPEDBYREF:
1263 case MONO_TYPE_GENERICINST:
1264 type = &type->data.generic_class->container_class->byval_arg;
1267 g_error ("unknown type 0x%02x in type_to_stind", type->type);
1273 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1276 case MONO_MARSHAL_CONV_BOOL_I4:
1277 mono_mb_emit_ldloc (mb, 1);
1278 mono_mb_emit_ldloc (mb, 0);
1279 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1280 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1281 mono_mb_emit_byte (mb, 3);
1282 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1283 mono_mb_emit_byte (mb, CEE_BR_S);
1284 mono_mb_emit_byte (mb, 1);
1285 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1286 mono_mb_emit_byte (mb, CEE_STIND_I1);
1288 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1289 mono_mb_emit_ldloc (mb, 1);
1290 mono_mb_emit_ldloc (mb, 0);
1291 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1292 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1293 mono_mb_emit_byte (mb, 3);
1294 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1295 mono_mb_emit_byte (mb, CEE_BR_S);
1296 mono_mb_emit_byte (mb, 1);
1297 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1298 mono_mb_emit_byte (mb, CEE_STIND_I1);
1300 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1301 MonoClass *eklass = NULL;
1304 if (type->type == MONO_TYPE_SZARRAY) {
1305 eklass = type->data.klass;
1307 g_assert_not_reached ();
1310 esize = mono_class_native_size (eklass, NULL);
1312 /* create a new array */
1313 mono_mb_emit_ldloc (mb, 1);
1314 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1315 mono_mb_emit_byte (mb, CEE_NEWARR);
1316 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1317 mono_mb_emit_byte (mb, CEE_STIND_I);
1319 if (eklass->blittable) {
1320 /* copy the elements */
1321 mono_mb_emit_ldloc (mb, 1);
1322 mono_mb_emit_byte (mb, CEE_LDIND_I);
1323 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1324 mono_mb_emit_byte (mb, CEE_ADD);
1325 mono_mb_emit_ldloc (mb, 0);
1326 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1327 mono_mb_emit_byte (mb, CEE_PREFIX1);
1328 mono_mb_emit_byte (mb, CEE_CPBLK);
1331 int array_var, src_var, dst_var, index_var;
1332 guint32 label2, label3;
1334 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1335 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1336 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1339 mono_mb_emit_ldloc (mb, 1);
1340 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1341 mono_mb_emit_stloc (mb, array_var);
1343 /* save the old src pointer */
1344 mono_mb_emit_ldloc (mb, 0);
1345 mono_mb_emit_stloc (mb, src_var);
1346 /* save the old dst pointer */
1347 mono_mb_emit_ldloc (mb, 1);
1348 mono_mb_emit_stloc (mb, dst_var);
1350 /* Emit marshalling loop */
1351 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1352 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1353 mono_mb_emit_stloc (mb, index_var);
1357 mono_mb_emit_ldloc (mb, index_var);
1358 mono_mb_emit_ldloc (mb, array_var);
1359 mono_mb_emit_byte (mb, CEE_LDLEN);
1360 mono_mb_emit_byte (mb, CEE_BGE);
1362 mono_mb_emit_i4 (mb, 0);
1364 /* src is already set */
1367 mono_mb_emit_ldloc (mb, array_var);
1368 mono_mb_emit_ldloc (mb, index_var);
1369 mono_mb_emit_byte (mb, CEE_LDELEMA);
1370 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1371 mono_mb_emit_stloc (mb, 1);
1373 /* Do the conversion */
1374 emit_struct_conv (mb, eklass, TRUE);
1377 mono_mb_emit_add_to_local (mb, index_var, 1);
1379 mono_mb_emit_byte (mb, CEE_BR);
1380 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1382 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
1384 /* restore the old src pointer */
1385 mono_mb_emit_ldloc (mb, src_var);
1386 mono_mb_emit_stloc (mb, 0);
1387 /* restore the old dst pointer */
1388 mono_mb_emit_ldloc (mb, dst_var);
1389 mono_mb_emit_stloc (mb, 1);
1393 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1394 MonoClass *eclass = mono_defaults.char_class;
1396 /* create a new array */
1397 mono_mb_emit_ldloc (mb, 1);
1398 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1399 mono_mb_emit_byte (mb, CEE_NEWARR);
1400 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
1401 mono_mb_emit_byte (mb, CEE_STIND_REF);
1403 mono_mb_emit_ldloc (mb, 1);
1404 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1405 mono_mb_emit_ldloc (mb, 0);
1406 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1407 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1408 mono_mb_emit_icall (mb, mono_byvalarray_to_array);
1411 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1412 mono_mb_emit_ldloc (mb, 1);
1413 mono_mb_emit_ldloc (mb, 0);
1414 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1415 mono_mb_emit_byte (mb, CEE_STIND_REF);
1417 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1418 mono_mb_emit_ldloc (mb, 1);
1419 mono_mb_emit_ldloc (mb, 0);
1420 mono_mb_emit_icall (mb, mono_string_from_utf16);
1421 mono_mb_emit_byte (mb, CEE_STIND_REF);
1423 case MONO_MARSHAL_CONV_STR_LPTSTR:
1424 case MONO_MARSHAL_CONV_STR_LPSTR:
1425 mono_mb_emit_ldloc (mb, 1);
1426 mono_mb_emit_ldloc (mb, 0);
1427 mono_mb_emit_byte (mb, CEE_LDIND_I);
1428 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1429 mono_mb_emit_byte (mb, CEE_STIND_REF);
1431 case MONO_MARSHAL_CONV_STR_LPWSTR:
1432 mono_mb_emit_ldloc (mb, 1);
1433 mono_mb_emit_ldloc (mb, 0);
1434 mono_mb_emit_byte (mb, CEE_LDIND_I);
1435 mono_mb_emit_icall (mb, mono_string_from_utf16);
1436 mono_mb_emit_byte (mb, CEE_STIND_REF);
1438 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1439 MonoClass *klass = mono_class_from_mono_type (type);
1440 int src_var, dst_var;
1442 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1443 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1445 /* *dst = new object */
1446 mono_mb_emit_ldloc (mb, 1);
1447 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1448 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1449 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1450 mono_mb_emit_byte (mb, CEE_STIND_REF);
1452 /* save the old src pointer */
1453 mono_mb_emit_ldloc (mb, 0);
1454 mono_mb_emit_stloc (mb, src_var);
1455 /* save the old dst pointer */
1456 mono_mb_emit_ldloc (mb, 1);
1457 mono_mb_emit_stloc (mb, dst_var);
1459 /* dst = pointer to newly created object data */
1460 mono_mb_emit_ldloc (mb, 1);
1461 mono_mb_emit_byte (mb, CEE_LDIND_I);
1462 mono_mb_emit_icon (mb, sizeof (MonoObject));
1463 mono_mb_emit_byte (mb, CEE_ADD);
1464 mono_mb_emit_stloc (mb, 1);
1466 emit_struct_conv (mb, klass, TRUE);
1468 /* restore the old src pointer */
1469 mono_mb_emit_ldloc (mb, src_var);
1470 mono_mb_emit_stloc (mb, 0);
1471 /* restore the old dst pointer */
1472 mono_mb_emit_ldloc (mb, dst_var);
1473 mono_mb_emit_stloc (mb, 1);
1476 case MONO_MARSHAL_CONV_DEL_FTN: {
1477 MonoClass *klass = mono_class_from_mono_type (type);
1479 mono_mb_emit_ldloc (mb, 1);
1480 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1481 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1482 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1483 mono_mb_emit_ldloc (mb, 0);
1484 mono_mb_emit_byte (mb, CEE_LDIND_I);
1485 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1486 mono_mb_emit_byte (mb, CEE_STIND_REF);
1489 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1490 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1492 case MONO_MARSHAL_CONV_STR_BSTR:
1493 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1494 case MONO_MARSHAL_CONV_STR_TBSTR:
1495 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1497 g_warning ("marshaling conversion %d not implemented", conv);
1498 g_assert_not_reached ();
1503 conv_to_icall (MonoMarshalConv conv)
1506 case MONO_MARSHAL_CONV_STR_LPWSTR:
1507 return mono_marshal_string_to_utf16;
1508 case MONO_MARSHAL_CONV_LPWSTR_STR:
1509 return mono_string_from_utf16;
1510 case MONO_MARSHAL_CONV_LPSTR_STR:
1511 return mono_string_new_wrapper;
1512 case MONO_MARSHAL_CONV_STR_LPTSTR:
1513 case MONO_MARSHAL_CONV_STR_LPSTR:
1514 return mono_string_to_lpstr;
1515 case MONO_MARSHAL_CONV_STR_BSTR:
1516 return mono_string_to_bstr;
1517 case MONO_MARSHAL_CONV_BSTR_STR:
1518 return mono_string_from_bstr;
1519 case MONO_MARSHAL_CONV_STR_TBSTR:
1520 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1521 return mono_string_to_ansibstr;
1522 case MONO_MARSHAL_CONV_SB_LPSTR:
1523 case MONO_MARSHAL_CONV_SB_LPTSTR:
1524 return mono_string_builder_to_utf8;
1525 case MONO_MARSHAL_CONV_SB_LPWSTR:
1526 return mono_string_builder_to_utf16;
1527 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1528 return mono_array_to_savearray;
1529 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1530 return mono_array_to_lparray;
1531 case MONO_MARSHAL_CONV_DEL_FTN:
1532 return mono_delegate_to_ftnptr;
1533 case MONO_MARSHAL_CONV_FTN_DEL:
1534 return mono_ftnptr_to_delegate;
1535 case MONO_MARSHAL_CONV_LPSTR_SB:
1536 case MONO_MARSHAL_CONV_LPTSTR_SB:
1537 return mono_string_utf8_to_builder;
1538 case MONO_MARSHAL_CONV_LPWSTR_SB:
1539 return mono_string_utf16_to_builder;
1540 case MONO_MARSHAL_FREE_ARRAY:
1541 return mono_marshal_free_array;
1542 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1543 return mono_string_to_byvalstr;
1544 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1545 return mono_string_to_byvalwstr;
1547 g_assert_not_reached ();
1554 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
1559 case MONO_MARSHAL_CONV_BOOL_I4:
1560 mono_mb_emit_ldloc (mb, 1);
1561 mono_mb_emit_ldloc (mb, 0);
1562 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1563 mono_mb_emit_byte (mb, CEE_STIND_I4);
1565 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1566 mono_mb_emit_ldloc (mb, 1);
1567 mono_mb_emit_ldloc (mb, 0);
1568 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1569 mono_mb_emit_byte (mb, CEE_NEG);
1570 mono_mb_emit_byte (mb, CEE_STIND_I2);
1572 case MONO_MARSHAL_CONV_STR_LPWSTR:
1573 case MONO_MARSHAL_CONV_STR_LPSTR:
1574 case MONO_MARSHAL_CONV_STR_LPTSTR:
1575 case MONO_MARSHAL_CONV_STR_BSTR:
1576 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1577 case MONO_MARSHAL_CONV_STR_TBSTR: {
1580 /* free space if free == true */
1581 mono_mb_emit_ldloc (mb, 2);
1582 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1584 mono_mb_emit_byte (mb, 0);
1585 mono_mb_emit_ldloc (mb, 1);
1586 mono_mb_emit_byte (mb, CEE_LDIND_I);
1587 mono_mb_emit_icall (mb, g_free);
1588 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1590 mono_mb_emit_ldloc (mb, 1);
1591 mono_mb_emit_ldloc (mb, 0);
1592 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1593 mono_mb_emit_icall (mb, conv_to_icall (conv));
1594 mono_mb_emit_byte (mb, CEE_STIND_I);
1597 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1598 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1599 case MONO_MARSHAL_CONV_DEL_FTN:
1600 mono_mb_emit_ldloc (mb, 1);
1601 mono_mb_emit_ldloc (mb, 0);
1602 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1603 mono_mb_emit_icall (mb, conv_to_icall (conv));
1604 mono_mb_emit_byte (mb, CEE_STIND_I);
1606 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1607 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1610 mono_mb_emit_ldloc (mb, 1); /* dst */
1611 mono_mb_emit_ldloc (mb, 0);
1612 mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
1613 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1614 mono_mb_emit_icall (mb, conv_to_icall (conv));
1617 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1618 MonoClass *eklass = NULL;
1621 if (type->type == MONO_TYPE_SZARRAY) {
1622 eklass = type->data.klass;
1624 g_assert_not_reached ();
1627 if (eklass->valuetype)
1628 esize = mono_class_native_size (eklass, NULL);
1630 esize = sizeof (gpointer);
1632 mono_mb_emit_ldloc (mb, 0);
1633 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1634 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1636 mono_mb_emit_byte (mb, 0);
1638 if (eklass->blittable) {
1639 mono_mb_emit_ldloc (mb, 1);
1640 mono_mb_emit_ldloc (mb, 0);
1641 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1642 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1643 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1644 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1645 mono_mb_emit_byte (mb, CEE_ADD);
1646 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1647 mono_mb_emit_byte (mb, CEE_PREFIX1);
1648 mono_mb_emit_byte (mb, CEE_CPBLK);
1650 int array_var, src_var, dst_var, index_var;
1651 guint32 label2, label3;
1653 array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1654 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1655 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1658 mono_mb_emit_ldloc (mb, 0);
1659 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1660 mono_mb_emit_stloc (mb, array_var);
1662 /* save the old src pointer */
1663 mono_mb_emit_ldloc (mb, 0);
1664 mono_mb_emit_stloc (mb, src_var);
1665 /* save the old dst pointer */
1666 mono_mb_emit_ldloc (mb, 1);
1667 mono_mb_emit_stloc (mb, dst_var);
1669 /* Emit marshalling loop */
1670 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1671 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1672 mono_mb_emit_stloc (mb, index_var);
1676 mono_mb_emit_ldloc (mb, index_var);
1677 mono_mb_emit_ldloc (mb, array_var);
1678 mono_mb_emit_byte (mb, CEE_LDLEN);
1679 mono_mb_emit_byte (mb, CEE_BGE);
1681 mono_mb_emit_i4 (mb, 0);
1684 mono_mb_emit_ldloc (mb, array_var);
1685 mono_mb_emit_ldloc (mb, index_var);
1686 mono_mb_emit_byte (mb, CEE_LDELEMA);
1687 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
1688 mono_mb_emit_stloc (mb, 0);
1690 /* dst is already set */
1692 /* Do the conversion */
1693 emit_struct_conv (mb, eklass, FALSE);
1696 mono_mb_emit_add_to_local (mb, index_var, 1);
1698 mono_mb_emit_byte (mb, CEE_BR);
1699 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
1701 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
1703 /* restore the old src pointer */
1704 mono_mb_emit_ldloc (mb, src_var);
1705 mono_mb_emit_stloc (mb, 0);
1706 /* restore the old dst pointer */
1707 mono_mb_emit_ldloc (mb, dst_var);
1708 mono_mb_emit_stloc (mb, 1);
1711 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1714 case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
1715 mono_mb_emit_ldloc (mb, 0);
1716 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1717 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1719 mono_mb_emit_byte (mb, 0);
1721 mono_mb_emit_ldloc (mb, 1);
1722 mono_mb_emit_ldloc (mb, 0);
1723 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1724 mono_mb_emit_ptr (mb, mono_defaults.byte_class);
1725 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1726 mono_mb_emit_icall (mb, mono_array_to_byvalarray);
1727 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1730 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1731 int src_var, dst_var;
1733 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1734 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1736 mono_mb_emit_ldloc (mb, 0);
1737 mono_mb_emit_byte (mb, CEE_LDIND_I);
1738 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1740 mono_mb_emit_byte (mb, 0);
1742 /* save the old src pointer */
1743 mono_mb_emit_ldloc (mb, 0);
1744 mono_mb_emit_stloc (mb, src_var);
1745 /* save the old dst pointer */
1746 mono_mb_emit_ldloc (mb, 1);
1747 mono_mb_emit_stloc (mb, dst_var);
1749 /* src = pointer to object data */
1750 mono_mb_emit_ldloc (mb, 0);
1751 mono_mb_emit_byte (mb, CEE_LDIND_I);
1752 mono_mb_emit_icon (mb, sizeof (MonoObject));
1753 mono_mb_emit_byte (mb, CEE_ADD);
1754 mono_mb_emit_stloc (mb, 0);
1756 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1758 /* restore the old src pointer */
1759 mono_mb_emit_ldloc (mb, src_var);
1760 mono_mb_emit_stloc (mb, 0);
1761 /* restore the old dst pointer */
1762 mono_mb_emit_ldloc (mb, dst_var);
1763 mono_mb_emit_stloc (mb, 1);
1765 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1769 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1770 MonoException *exc = mono_get_exception_not_implemented (msg);
1773 mono_raise_exception (exc);
1779 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1781 MonoMarshalType *info;
1785 emit_struct_conv(mb, klass->parent, to_object);
1787 info = mono_marshal_load_type_info (klass);
1789 if (info->native_size == 0)
1792 if (klass->blittable) {
1793 int msize = mono_class_value_size (klass, NULL);
1794 g_assert (msize == info->native_size);
1795 mono_mb_emit_ldloc (mb, 1);
1796 mono_mb_emit_ldloc (mb, 0);
1797 mono_mb_emit_icon (mb, msize);
1798 mono_mb_emit_byte (mb, CEE_PREFIX1);
1799 mono_mb_emit_byte (mb, CEE_CPBLK);
1801 mono_mb_emit_add_to_local (mb, 0, msize);
1802 mono_mb_emit_add_to_local (mb, 1, msize);
1806 for (i = 0; i < info->num_fields; i++) {
1807 MonoMarshalNative ntype;
1808 MonoMarshalConv conv;
1809 MonoType *ftype = info->fields [i].field->type;
1812 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1814 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1817 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1820 msize = klass->instance_size - info->fields [i].field->offset;
1821 usize = info->native_size - info->fields [i].offset;
1823 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1824 usize = info->fields [i + 1].offset - info->fields [i].offset;
1828 * FIXME: Should really check for usize==0 and msize>0, but we apply
1829 * the layout to the managed structure as well.
1831 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) && (usize == 0)) {
1832 if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) || ((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
1833 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));
1836 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1837 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1840 case MONO_MARSHAL_CONV_NONE: {
1843 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1844 ftype->type == MONO_TYPE_U) {
1845 mono_mb_emit_ldloc (mb, 1);
1846 mono_mb_emit_ldloc (mb, 0);
1847 mono_mb_emit_byte (mb, CEE_LDIND_I);
1848 mono_mb_emit_byte (mb, CEE_STIND_I);
1859 case MONO_TYPE_BOOLEAN:
1862 case MONO_TYPE_CHAR:
1868 mono_mb_emit_ldloc (mb, 1);
1869 mono_mb_emit_ldloc (mb, 0);
1870 mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
1871 mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
1873 case MONO_TYPE_VALUETYPE: {
1874 int src_var, dst_var;
1876 if (ftype->data.klass->enumtype) {
1877 ftype = ftype->data.klass->enum_basetype;
1881 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1882 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1884 /* save the old src pointer */
1885 mono_mb_emit_ldloc (mb, 0);
1886 mono_mb_emit_stloc (mb, src_var);
1887 /* save the old dst pointer */
1888 mono_mb_emit_ldloc (mb, 1);
1889 mono_mb_emit_stloc (mb, dst_var);
1891 emit_struct_conv (mb, ftype->data.klass, to_object);
1893 /* restore the old src pointer */
1894 mono_mb_emit_ldloc (mb, src_var);
1895 mono_mb_emit_stloc (mb, 0);
1896 /* restore the old dst pointer */
1897 mono_mb_emit_ldloc (mb, dst_var);
1898 mono_mb_emit_stloc (mb, 1);
1903 g_warning ("marshaling type %02x not implemented", ftype->type);
1904 g_assert_not_reached ();
1909 int src_var, dst_var;
1911 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1912 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1914 /* save the old src pointer */
1915 mono_mb_emit_ldloc (mb, 0);
1916 mono_mb_emit_stloc (mb, src_var);
1917 /* save the old dst pointer */
1918 mono_mb_emit_ldloc (mb, 1);
1919 mono_mb_emit_stloc (mb, dst_var);
1922 emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
1924 emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
1926 /* restore the old src pointer */
1927 mono_mb_emit_ldloc (mb, src_var);
1928 mono_mb_emit_stloc (mb, 0);
1929 /* restore the old dst pointer */
1930 mono_mb_emit_ldloc (mb, dst_var);
1931 mono_mb_emit_stloc (mb, 1);
1936 mono_mb_emit_add_to_local (mb, 0, usize);
1937 mono_mb_emit_add_to_local (mb, 1, msize);
1939 mono_mb_emit_add_to_local (mb, 0, msize);
1940 mono_mb_emit_add_to_local (mb, 1, usize);
1946 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1948 /* Call DestroyStructure */
1949 /* FIXME: Only do this if needed */
1950 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1951 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1952 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1953 mono_mb_emit_ldloc (mb, struct_var);
1954 mono_mb_emit_icall (mb, mono_struct_delete_old);
1958 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1962 mono_mb_emit_ptr (mb, (gpointer) mono_thread_interruption_request_flag ());
1963 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1964 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1966 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1967 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1969 mono_mb_emit_icall (mb, checkpoint_func);
1971 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1975 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1977 if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
1980 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1984 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1986 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1989 static MonoAsyncResult *
1990 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1992 MonoMethodMessage *msg;
1993 MonoDelegate *async_callback;
1997 MonoMethod *method = NULL, *method2 = NULL;
1999 g_assert (delegate);
2001 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2003 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2004 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
2006 /* If the target is a proxy, make a direct call. Is proxy's work
2007 // to make the call asynchronous.
2009 MonoAsyncResult *ares;
2011 MonoArray *out_args;
2013 method = delegate->method_info->method;
2015 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
2016 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
2017 ares = mono_async_result_new (mono_domain_get (), handle, state, handle, NULL);
2018 MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
2019 MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
2020 MONO_OBJECT_SETREF (msg, async_result, ares);
2021 msg->call_type = CallType_BeginInvoke;
2023 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2028 klass = delegate->object.vtable->klass;
2030 method = mono_get_delegate_invoke (klass);
2031 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
2034 g_assert (method != NULL);
2036 im = mono_get_delegate_invoke (method->klass);
2037 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
2039 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
2043 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
2045 int i, params_var, tmp_var;
2047 /* allocate local (pointer) *params[] */
2048 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2049 /* allocate local (pointer) tmp */
2050 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2052 /* alloate space on stack to store an array of pointers to the arguments */
2053 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
2054 mono_mb_emit_byte (mb, CEE_PREFIX1);
2055 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2056 mono_mb_emit_stloc (mb, params_var);
2059 mono_mb_emit_ldloc (mb, params_var);
2060 mono_mb_emit_stloc (mb, tmp_var);
2062 if (save_this && sig->hasthis) {
2063 mono_mb_emit_ldloc (mb, tmp_var);
2064 mono_mb_emit_ldarg_addr (mb, 0);
2065 mono_mb_emit_byte (mb, CEE_STIND_I);
2066 /* tmp = tmp + sizeof (gpointer) */
2067 if (sig->param_count)
2068 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2072 for (i = 0; i < sig->param_count; i++) {
2073 mono_mb_emit_ldloc (mb, tmp_var);
2074 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
2075 mono_mb_emit_byte (mb, CEE_STIND_I);
2076 /* tmp = tmp + sizeof (gpointer) */
2077 if (i < (sig->param_count - 1))
2078 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
2085 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
2089 GString *res = g_string_new ("");
2092 g_string_append (res, prefix);
2093 g_string_append_c (res, '_');
2096 mono_type_get_desc (res, sig->ret, FALSE);
2098 for (i = 0; i < sig->param_count; ++i) {
2099 g_string_append_c (res, '_');
2100 mono_type_get_desc (res, sig->params [i], FALSE);
2103 g_string_free (res, FALSE);
2108 * mono_marshal_get_string_encoding:
2110 * Return the string encoding which should be used for a given parameter.
2112 static MonoMarshalNative
2113 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2115 /* First try the parameter marshal info */
2117 if (spec->native == MONO_NATIVE_LPARRAY) {
2118 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
2119 return spec->data.array_data.elem_type;
2122 return spec->native;
2126 return MONO_NATIVE_LPSTR;
2128 /* Then try the method level marshal info */
2129 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2130 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2131 return MONO_NATIVE_LPSTR;
2132 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2133 return MONO_NATIVE_LPWSTR;
2134 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2135 #ifdef PLATFORM_WIN32
2136 return MONO_NATIVE_LPWSTR;
2138 return MONO_NATIVE_LPSTR;
2141 return MONO_NATIVE_LPSTR;
2145 static MonoMarshalConv
2146 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2148 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2151 case MONO_NATIVE_LPWSTR:
2152 return MONO_MARSHAL_CONV_STR_LPWSTR;
2153 case MONO_NATIVE_LPSTR:
2154 return MONO_MARSHAL_CONV_STR_LPSTR;
2155 case MONO_NATIVE_LPTSTR:
2156 return MONO_MARSHAL_CONV_STR_LPTSTR;
2157 case MONO_NATIVE_BSTR:
2158 return MONO_MARSHAL_CONV_STR_BSTR;
2164 static MonoMarshalConv
2165 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2167 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2170 case MONO_NATIVE_LPWSTR:
2171 return MONO_MARSHAL_CONV_SB_LPWSTR;
2173 case MONO_NATIVE_LPSTR:
2174 return MONO_MARSHAL_CONV_SB_LPSTR;
2176 case MONO_NATIVE_LPTSTR:
2177 return MONO_MARSHAL_CONV_SB_LPTSTR;
2184 static MonoMarshalConv
2185 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2187 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2192 case MONO_NATIVE_LPWSTR:
2193 return MONO_MARSHAL_CONV_LPWSTR_STR;
2194 case MONO_NATIVE_LPSTR:
2195 return MONO_MARSHAL_CONV_LPSTR_STR;
2196 case MONO_NATIVE_LPTSTR:
2197 return MONO_MARSHAL_CONV_LPTSTR_STR;
2198 case MONO_NATIVE_BSTR:
2199 return MONO_MARSHAL_CONV_BSTR_STR;
2205 static MonoMarshalConv
2206 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
2208 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
2213 case MONO_NATIVE_LPWSTR:
2215 * mono_string_builder_to_utf16 does not allocate a
2216 * new buffer, so no need to free it.
2219 return MONO_MARSHAL_CONV_LPWSTR_SB;
2220 case MONO_NATIVE_LPSTR:
2221 return MONO_MARSHAL_CONV_LPSTR_SB;
2223 case MONO_NATIVE_LPTSTR:
2224 return MONO_MARSHAL_CONV_LPTSTR_SB;
2232 * Return whenever a field of a native structure or an array member needs to
2236 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
2238 MonoMarshalNative encoding;
2239 MonoMarshalConv conv;
2242 case MONO_TYPE_VALUETYPE:
2243 /* FIXME: Optimize this */
2245 case MONO_TYPE_OBJECT:
2246 case MONO_TYPE_CLASS:
2247 if (t->data.klass == mono_defaults.stringbuilder_class) {
2249 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
2253 case MONO_TYPE_STRING:
2254 encoding = mono_marshal_get_string_encoding (piinfo, spec);
2255 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
2261 static inline MonoMethod*
2262 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
2266 mono_marshal_lock ();
2267 res = g_hash_table_lookup (cache, key);
2268 mono_marshal_unlock ();
2272 /* Create the method from the builder and place it in the cache */
2273 static inline MonoMethod*
2274 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
2275 MonoMethodBuilder *mb, MonoMethodSignature *sig,
2280 mono_loader_lock ();
2281 mono_marshal_lock ();
2282 res = g_hash_table_lookup (cache, key);
2284 /* This does not acquire any locks */
2285 res = mono_mb_create_method (mb, sig, max_stack);
2286 g_hash_table_insert (cache, key, res);
2287 g_hash_table_insert (wrapper_hash, res, key);
2289 mono_marshal_unlock ();
2290 mono_loader_unlock ();
2296 static inline MonoMethod*
2297 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
2299 MonoMethod *res = NULL;
2300 MonoRemotingMethods *wrps;
2302 mono_marshal_lock ();
2303 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
2306 switch (wrapper_type) {
2307 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
2308 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
2309 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
2310 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
2314 mono_marshal_unlock ();
2318 /* Create the method from the builder and place it in the cache */
2319 static inline MonoMethod*
2320 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
2321 MonoMethodSignature *sig, int max_stack)
2323 MonoMethod **res = NULL;
2324 MonoRemotingMethods *wrps;
2325 GHashTable *cache = key->klass->image->remoting_invoke_cache;
2327 mono_loader_lock ();
2328 mono_marshal_lock ();
2329 wrps = g_hash_table_lookup (cache, key);
2331 wrps = g_new0 (MonoRemotingMethods, 1);
2332 g_hash_table_insert (cache, key, wrps);
2335 switch (mb->method->wrapper_type) {
2336 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
2337 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
2338 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
2339 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
2340 default: g_assert_not_reached (); break;
2344 /* This does not acquire any locks */
2345 *res = mono_mb_create_method (mb, sig, max_stack);
2346 g_hash_table_insert (wrapper_hash, *res, key);
2349 mono_marshal_unlock ();
2350 mono_loader_unlock ();
2356 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
2360 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
2363 mono_marshal_lock ();
2364 res = g_hash_table_lookup (wrapper_hash, wrapper);
2365 mono_marshal_unlock ();
2370 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
2372 MonoMethodSignature *sig;
2373 MonoMethodBuilder *mb;
2379 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2380 !strcmp (method->name, "BeginInvoke"));
2382 sig = signature_no_pinvoke (method);
2384 cache = method->klass->image->delegate_begin_invoke_cache;
2385 if ((res = mono_marshal_find_in_cache (cache, sig)))
2388 g_assert (sig->hasthis);
2390 name = mono_signature_to_name (sig, "begin_invoke");
2391 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
2394 mb->method->save_lmf = 1;
2396 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2398 mono_mb_emit_ldarg (mb, 0);
2399 mono_mb_emit_ldloc (mb, params_var);
2400 mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
2401 emit_thread_interrupt_checkpoint (mb);
2402 mono_mb_emit_byte (mb, CEE_RET);
2404 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
2410 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
2412 MonoDomain *domain = mono_domain_get ();
2413 MonoAsyncResult *ares;
2414 MonoMethod *method = NULL;
2415 MonoMethodSignature *sig;
2416 MonoMethodMessage *msg;
2417 MonoObject *res, *exc;
2418 MonoArray *out_args;
2421 g_assert (delegate);
2423 if (!delegate->method_info || !delegate->method_info->method)
2424 g_assert_not_reached ();
2426 klass = delegate->object.vtable->klass;
2428 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
2429 g_assert (method != NULL);
2431 sig = signature_no_pinvoke (method);
2433 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2435 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
2438 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
2439 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
2440 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
2441 mono_message_init (domain, msg, delegate->method_info, NULL);
2442 msg->call_type = CallType_EndInvoke;
2443 MONO_OBJECT_SETREF (msg, async_result, ares);
2444 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
2447 res = mono_thread_pool_finish (ares, &out_args, &exc);
2450 if (((MonoException*)exc)->stack_trace) {
2451 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
2453 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
2455 MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, mono_string_new (domain, tmp));
2458 mono_raise_exception ((MonoException*)exc);
2461 mono_method_return_message_restore (method, params, out_args);
2466 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
2468 MonoType *t = mono_type_get_underlying_type (return_type);
2470 if (return_type->byref)
2471 return_type = &mono_defaults.int_class->byval_arg;
2474 case MONO_TYPE_VOID:
2475 g_assert_not_reached ();
2478 case MONO_TYPE_STRING:
2479 case MONO_TYPE_CLASS:
2480 case MONO_TYPE_OBJECT:
2481 case MONO_TYPE_ARRAY:
2482 case MONO_TYPE_SZARRAY:
2486 case MONO_TYPE_BOOLEAN:
2489 case MONO_TYPE_CHAR:
2499 mono_mb_emit_byte (mb, CEE_UNBOX);
2500 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2501 mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
2503 case MONO_TYPE_GENERICINST:
2504 if (!mono_type_generic_inst_is_valuetype (return_type))
2507 case MONO_TYPE_VALUETYPE: {
2509 mono_mb_emit_byte (mb, CEE_UNBOX);
2510 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2511 mono_mb_emit_i4 (mb, class);
2512 mono_mb_emit_byte (mb, CEE_LDOBJ);
2513 mono_mb_emit_i4 (mb, class);
2517 g_warning ("type 0x%x not handled", return_type->type);
2518 g_assert_not_reached ();
2521 mono_mb_emit_byte (mb, CEE_RET);
2525 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2527 MonoMethodSignature *sig;
2528 MonoMethodBuilder *mb;
2534 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2535 !strcmp (method->name, "EndInvoke"));
2537 sig = signature_no_pinvoke (method);
2539 cache = method->klass->image->delegate_end_invoke_cache;
2540 if ((res = mono_marshal_find_in_cache (cache, sig)))
2543 g_assert (sig->hasthis);
2545 name = mono_signature_to_name (sig, "end_invoke");
2546 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2549 mb->method->save_lmf = 1;
2551 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2553 mono_mb_emit_ldarg (mb, 0);
2554 mono_mb_emit_ldloc (mb, params_var);
2555 mono_mb_emit_icall (mb, mono_delegate_end_invoke);
2556 emit_thread_interrupt_checkpoint (mb);
2558 if (sig->ret->type == MONO_TYPE_VOID) {
2559 mono_mb_emit_byte (mb, CEE_POP);
2560 mono_mb_emit_byte (mb, CEE_RET);
2562 mono_mb_emit_restore_result (mb, sig->ret);
2564 res = mono_mb_create_and_cache (cache, sig,
2565 mb, sig, sig->param_count + 16);
2572 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2574 MonoMethodMessage *msg;
2575 MonoTransparentProxy *this;
2576 MonoObject *res, *exc;
2577 MonoArray *out_args;
2579 this = *((MonoTransparentProxy **)params [0]);
2582 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2584 /* skip the this pointer */
2587 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2590 MonoMethodSignature *sig = mono_method_signature (method);
2591 int count = sig->param_count;
2592 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2594 for (i=0; i<count; i++) {
2595 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2596 if (class->valuetype) {
2597 if (sig->params [i]->byref)
2598 mparams[i] = *((gpointer *)params [i]);
2600 mparams[i] = params [i];
2602 mparams[i] = *((gpointer**)params [i]);
2606 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2609 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2611 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2614 mono_raise_exception ((MonoException *)exc);
2616 mono_method_return_message_restore (method, params, out_args);
2622 mono_marshal_get_remoting_invoke (MonoMethod *method)
2624 MonoMethodSignature *sig;
2625 MonoMethodBuilder *mb;
2631 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2634 sig = signature_no_pinvoke (method);
2636 /* we cant remote methods without this pointer */
2640 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2643 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2644 mb->method->save_lmf = 1;
2646 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2648 mono_mb_emit_ptr (mb, method);
2649 mono_mb_emit_ldloc (mb, params_var);
2650 mono_mb_emit_icall (mb, mono_remoting_wrapper);
2651 emit_thread_interrupt_checkpoint (mb);
2653 if (sig->ret->type == MONO_TYPE_VOID) {
2654 mono_mb_emit_byte (mb, CEE_POP);
2655 mono_mb_emit_byte (mb, CEE_RET);
2657 mono_mb_emit_restore_result (mb, sig->ret);
2660 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2666 /* mono_get_xdomain_marshal_type()
2667 * Returns the kind of marshalling that a type needs for cross domain calls.
2669 static MonoXDomainMarshalType
2670 mono_get_xdomain_marshal_type (MonoType *t)
2673 case MONO_TYPE_VOID:
2674 g_assert_not_reached ();
2678 case MONO_TYPE_BOOLEAN:
2681 case MONO_TYPE_CHAR:
2688 return MONO_MARSHAL_NONE;
2689 case MONO_TYPE_STRING:
2690 return MONO_MARSHAL_COPY;
2691 case MONO_TYPE_ARRAY:
2692 case MONO_TYPE_SZARRAY: {
2693 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2694 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2695 return MONO_MARSHAL_COPY;
2700 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2701 return MONO_MARSHAL_COPY;
2703 return MONO_MARSHAL_SERIALIZE;
2707 /* mono_marshal_xdomain_copy_value
2708 * Makes a copy of "val" suitable for the current domain.
2711 mono_marshal_xdomain_copy_value (MonoObject *val)
2714 if (val == NULL) return NULL;
2716 domain = mono_domain_get ();
2718 switch (mono_object_class (val)->byval_arg.type) {
2719 case MONO_TYPE_VOID:
2720 g_assert_not_reached ();
2724 case MONO_TYPE_BOOLEAN:
2727 case MONO_TYPE_CHAR:
2733 case MONO_TYPE_R8: {
2734 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2736 case MONO_TYPE_STRING: {
2737 MonoString *str = (MonoString *) val;
2738 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2740 case MONO_TYPE_ARRAY:
2741 case MONO_TYPE_SZARRAY: {
2743 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2744 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2745 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2746 if (mt == MONO_MARSHAL_COPY) {
2747 int i, len = mono_array_length (acopy);
2748 for (i = 0; i < len; i++) {
2749 MonoObject *item = mono_array_get (acopy, gpointer, i);
2750 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2753 return (MonoObject *) acopy;
2757 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2758 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2759 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2760 MONO_OBJECT_SETREF (newsb, str, mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str)));
2761 newsb->length = oldsb->length;
2762 newsb->max_capacity = (gint32)0x7fffffff;
2763 return (MonoObject *) newsb;
2768 /* mono_marshal_xdomain_copy_out_value()
2769 * Copies the contents of the src instance into the dst instance. src and dst
2770 * must have the same type, and if they are arrays, the same size.
2773 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2775 if (src == NULL || dst == NULL) return;
2777 g_assert (mono_object_class (src) == mono_object_class (dst));
2779 switch (mono_object_class (src)->byval_arg.type) {
2780 case MONO_TYPE_ARRAY:
2781 case MONO_TYPE_SZARRAY: {
2782 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2783 if (mt == MONO_MARSHAL_SERIALIZE) return;
2784 if (mt == MONO_MARSHAL_COPY) {
2785 int i, len = mono_array_length ((MonoArray *)dst);
2786 for (i = 0; i < len; i++) {
2787 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2788 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
2791 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2797 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2798 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2799 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2801 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)));
2802 dst_sb->cached_str = NULL;
2803 dst_sb->length = src_sb->length;
2808 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2810 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
2811 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2812 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2816 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2818 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
2821 /* mono_marshal_supports_fast_xdomain()
2822 * Returns TRUE if the method can use the fast xdomain wrapper.
2825 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2827 return !method->klass->contextbound &&
2828 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2832 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2834 MonoDomain *current_domain = mono_domain_get ();
2835 MonoDomain *domain = mono_domain_get_by_id (id);
2837 if (!domain || !mono_domain_set (domain, FALSE))
2838 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2841 mono_thread_push_appdomain_ref (domain);
2843 mono_thread_pop_appdomain_ref ();
2845 return current_domain->domain_id;
2849 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2851 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
2854 /* mono_marshal_emit_load_domain_method ()
2855 * Loads into the stack a pointer to the code of the provided method for
2856 * the current domain.
2859 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2861 /* We need a pointer to the method for the running domain (not the domain
2862 * that compiles the method).
2864 mono_mb_emit_ptr (mb, method);
2865 mono_mb_emit_icall (mb, mono_compile_method);
2868 /* mono_marshal_get_xappdomain_dispatch ()
2869 * Generates a method that dispatches a method call from another domain into
2870 * the current domain.
2873 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2875 MonoMethodSignature *sig, *csig;
2876 MonoMethodBuilder *mb;
2878 int i, j, param_index, copy_locals_base;
2879 MonoClass *ret_class = NULL;
2880 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2881 MonoExceptionClause *main_clause;
2882 MonoMethodHeader *header;
2884 gboolean copy_return;
2886 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2889 sig = mono_method_signature (method);
2890 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2893 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2894 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2895 csig->params [j++] = &byte_array_class->this_arg;
2896 csig->params [j++] = &byte_array_class->this_arg;
2897 for (i = 0; i < sig->param_count; i++) {
2898 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2899 csig->params [j++] = sig->params [i];
2902 csig->ret = sig->ret;
2904 csig->ret = &mono_defaults.void_class->byval_arg;
2906 csig->hasthis = FALSE;
2908 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2909 mb->method->save_lmf = 1;
2913 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2914 if (complex_count > 0)
2915 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2916 if (sig->ret->type != MONO_TYPE_VOID) {
2917 loc_return = mono_mb_add_local (mb, sig->ret);
2918 ret_class = mono_class_from_mono_type (sig->ret);
2923 main_clause = g_new0 (MonoExceptionClause, 1);
2924 main_clause->try_offset = mb->pos;
2926 /* Clean the call context */
2928 mono_mb_emit_byte (mb, CEE_LDNULL);
2929 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2930 mono_mb_emit_byte (mb, CEE_POP);
2932 /* Deserialize call data */
2934 mono_mb_emit_ldarg (mb, 1);
2935 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2936 mono_mb_emit_byte (mb, CEE_DUP);
2937 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2939 mono_mb_emit_byte (mb, 0);
2941 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2942 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2944 if (complex_count > 0)
2945 mono_mb_emit_stloc (mb, loc_array);
2947 mono_mb_emit_byte (mb, CEE_POP);
2949 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2951 /* Get the target object */
2953 mono_mb_emit_ldarg (mb, 0);
2954 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2956 /* Load the arguments */
2958 copy_locals_base = mb->locals;
2959 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2961 for (i = 0; i < sig->param_count; i++) {
2962 MonoType *pt = sig->params [i];
2963 MonoClass *pclass = mono_class_from_mono_type (pt);
2964 switch (marshal_types [i]) {
2965 case MONO_MARSHAL_SERIALIZE: {
2966 /* take the value from the serialized array */
2967 mono_mb_emit_ldloc (mb, loc_array);
2968 mono_mb_emit_icon (mb, j++);
2970 if (pclass->valuetype) {
2971 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2972 mono_mb_emit_byte (mb, CEE_UNBOX);
2973 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2975 mono_mb_emit_byte (mb, CEE_LDELEMA);
2976 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2979 if (pclass->valuetype) {
2980 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2981 mono_mb_emit_byte (mb, CEE_UNBOX);
2982 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2983 mono_mb_emit_byte (mb, CEE_LDOBJ);
2984 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2986 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2987 if (pclass != mono_defaults.object_class) {
2988 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2989 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2995 case MONO_MARSHAL_COPY_OUT: {
2996 /* Keep a local copy of the value since we need to copy it back after the call */
2997 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2998 mono_mb_emit_ldarg (mb, param_index++);
2999 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3000 mono_mb_emit_byte (mb, CEE_DUP);
3001 mono_mb_emit_stloc (mb, copy_local);
3004 case MONO_MARSHAL_COPY: {
3005 mono_mb_emit_ldarg (mb, param_index);
3007 mono_mb_emit_byte (mb, CEE_DUP);
3008 mono_mb_emit_byte (mb, CEE_DUP);
3009 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3010 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3011 mono_mb_emit_byte (mb, CEE_STIND_REF);
3013 mono_marshal_emit_xdomain_copy_value (mb, pclass);
3018 case MONO_MARSHAL_NONE:
3019 mono_mb_emit_ldarg (mb, param_index++);
3024 /* Make the call to the real object */
3026 emit_thread_force_interrupt_checkpoint (mb);
3028 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3029 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
3031 if (sig->ret->type != MONO_TYPE_VOID)
3032 mono_mb_emit_stloc (mb, loc_return);
3034 /* copy back MONO_MARSHAL_COPY_OUT parameters */
3038 for (i = 0; i < sig->param_count; i++) {
3039 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
3040 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
3041 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3042 mono_mb_emit_ldarg (mb, param_index);
3043 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
3048 /* Serialize the return values */
3050 if (complex_out_count > 0) {
3051 /* Reset parameters in the array that don't need to be serialized back */
3053 for (i = 0; i < sig->param_count; i++) {
3054 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
3055 if (!sig->params [i]->byref) {
3056 mono_mb_emit_ldloc (mb, loc_array);
3057 mono_mb_emit_icon (mb, j);
3058 mono_mb_emit_byte (mb, CEE_LDNULL);
3059 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3064 /* Add the return value to the array */
3066 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3067 mono_mb_emit_ldloc (mb, loc_array);
3068 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
3069 mono_mb_emit_ldloc (mb, loc_return);
3070 if (ret_class->valuetype) {
3071 mono_mb_emit_byte (mb, CEE_BOX);
3072 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3074 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3079 mono_mb_emit_ldarg (mb, 1);
3080 mono_mb_emit_ldloc (mb, loc_array);
3081 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3082 mono_mb_emit_byte (mb, CEE_STIND_REF);
3083 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3084 mono_mb_emit_ldarg (mb, 1);
3085 mono_mb_emit_ldloc (mb, loc_return);
3086 if (ret_class->valuetype) {
3087 mono_mb_emit_byte (mb, CEE_BOX);
3088 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3090 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3091 mono_mb_emit_byte (mb, CEE_STIND_REF);
3093 mono_mb_emit_ldarg (mb, 1);
3094 mono_mb_emit_byte (mb, CEE_LDNULL);
3095 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3096 mono_mb_emit_byte (mb, CEE_STIND_REF);
3099 mono_mb_emit_ldarg (mb, 2);
3100 mono_mb_emit_byte (mb, CEE_LDNULL);
3101 mono_mb_emit_byte (mb, CEE_STIND_REF);
3102 mono_mb_emit_byte (mb, CEE_LEAVE);
3103 pos_leave = mb->pos;
3104 mono_mb_emit_i4 (mb, 0);
3106 /* Main exception catch */
3107 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
3108 main_clause->try_len = mb->pos - main_clause->try_offset;
3109 main_clause->data.catch_class = mono_defaults.object_class;
3112 main_clause->handler_offset = mb->pos;
3113 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
3114 mono_mb_emit_stloc (mb, loc_serialized_exc);
3115 mono_mb_emit_ldarg (mb, 2);
3116 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3117 mono_mb_emit_byte (mb, CEE_STIND_REF);
3118 mono_mb_emit_byte (mb, CEE_LEAVE);
3119 mono_mb_emit_i4 (mb, 0);
3120 main_clause->handler_len = mb->pos - main_clause->handler_offset;
3123 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
3126 mono_mb_emit_ldloc (mb, loc_return);
3128 mono_mb_emit_byte (mb, CEE_RET);
3130 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
3133 header = ((MonoMethodNormal *)res)->header;
3134 header->num_clauses = 1;
3135 header->clauses = main_clause;
3140 /* mono_marshal_get_xappdomain_invoke ()
3141 * Generates a fast remoting wrapper for cross app domain calls.
3144 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
3146 MonoMethodSignature *sig;
3147 MonoMethodBuilder *mb;
3149 int i, j, complex_count, complex_out_count, copy_locals_base;
3151 MonoClass *ret_class = NULL;
3152 MonoMethod *xdomain_method;
3153 int ret_marshal_type = MONO_MARSHAL_NONE;
3154 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
3155 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
3157 gboolean copy_return = FALSE;
3161 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
3164 /* we cant remote methods without this pointer */
3165 if (!mono_method_signature (method)->hasthis)
3168 if (!mono_marshal_supports_fast_xdomain (method))
3169 return mono_marshal_get_remoting_invoke (method);
3171 mono_remoting_marshal_init ();
3173 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
3176 sig = signature_no_pinvoke (method);
3178 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
3179 mb->method->save_lmf = 1;
3181 /* Count the number of parameters that need to be serialized */
3183 marshal_types = alloca (sizeof (int) * sig->param_count);
3184 complex_count = complex_out_count = 0;
3185 for (i = 0; i < sig->param_count; i++) {
3186 MonoType *ptype = sig->params[i];
3187 int mt = mono_get_xdomain_marshal_type (ptype);
3189 /* If the [Out] attribute is applied to a parameter that can be internally copied,
3190 * the copy will be made by reusing the original object instance
3192 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
3193 mt = MONO_MARSHAL_COPY_OUT;
3194 else if (mt == MONO_MARSHAL_SERIALIZE) {
3196 if (ptype->byref) complex_out_count++;
3198 marshal_types [i] = mt;
3201 if (sig->ret->type != MONO_TYPE_VOID) {
3202 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
3203 ret_class = mono_class_from_mono_type (sig->ret);
3204 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
3209 if (complex_count > 0)
3210 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3211 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3212 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3214 loc_return = mono_mb_add_local (mb, sig->ret);
3215 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
3216 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
3217 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3219 /* Save thread domain data */
3221 mono_mb_emit_icall (mb, mono_context_get);
3222 mono_mb_emit_byte (mb, CEE_DUP);
3223 mono_mb_emit_stloc (mb, loc_context);
3225 /* If the thread is not running in the default context, it needs to go
3226 * through the whole remoting sink, since the context is going to change
3228 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
3229 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3231 mono_mb_emit_byte (mb, 0);
3233 mono_mb_emit_ldarg (mb, 0);
3234 for (i = 0; i < sig->param_count; i++)
3235 mono_mb_emit_ldarg (mb, i + 1);
3237 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
3238 mono_mb_emit_byte (mb, CEE_RET);
3239 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
3241 /* Create the array that will hold the parameters to be serialized */
3243 if (complex_count > 0) {
3244 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 */
3245 mono_mb_emit_byte (mb, CEE_NEWARR);
3246 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
3249 for (i = 0; i < sig->param_count; i++) {
3251 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3252 pclass = mono_class_from_mono_type (sig->params[i]);
3253 mono_mb_emit_byte (mb, CEE_DUP);
3254 mono_mb_emit_icon (mb, j);
3255 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
3256 if (sig->params[i]->byref) {
3257 if (pclass->valuetype) {
3258 mono_mb_emit_byte (mb, CEE_LDOBJ);
3259 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3261 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3264 if (pclass->valuetype) {
3265 mono_mb_emit_byte (mb, CEE_BOX);
3266 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3268 mono_mb_emit_byte (mb, CEE_STELEM_REF);
3271 mono_mb_emit_stloc (mb, loc_array);
3273 /* Serialize parameters */
3275 mono_mb_emit_ldloc (mb, loc_array);
3276 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3277 mono_mb_emit_stloc (mb, loc_serialized_data);
3279 mono_mb_emit_byte (mb, CEE_LDNULL);
3280 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
3281 mono_mb_emit_stloc (mb, loc_serialized_data);
3284 /* Get the target domain id */
3286 mono_mb_emit_ldarg (mb, 0);
3287 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
3288 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3289 mono_mb_emit_byte (mb, CEE_DUP);
3290 mono_mb_emit_stloc (mb, loc_real_proxy);
3292 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
3293 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3294 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3298 mono_marshal_emit_switch_domain (mb);
3299 mono_mb_emit_stloc (mb, loc_old_domainid);
3301 /* Load the arguments */
3303 mono_mb_emit_ldloc (mb, loc_real_proxy);
3304 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
3305 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
3307 copy_locals_base = mb->locals;
3308 for (i = 0; i < sig->param_count; i++) {
3309 switch (marshal_types [i]) {
3310 case MONO_MARSHAL_SERIALIZE:
3312 case MONO_MARSHAL_COPY: {
3313 mono_mb_emit_ldarg (mb, i+1);
3314 if (sig->params [i]->byref) {
3315 /* make a local copy of the byref parameter. The real parameter
3316 * will be updated after the xdomain call
3318 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3319 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
3320 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3321 mono_mb_emit_stloc (mb, copy_local);
3322 mono_mb_emit_ldloc_addr (mb, copy_local);
3326 case MONO_MARSHAL_COPY_OUT:
3327 case MONO_MARSHAL_NONE:
3328 mono_mb_emit_ldarg (mb, i+1);
3333 /* Make the call to the invoke wrapper in the target domain */
3335 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
3336 mono_marshal_emit_load_domain_method (mb, xdomain_method);
3337 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
3340 mono_mb_emit_stloc (mb, loc_return);
3344 mono_mb_emit_ldloc (mb, loc_old_domainid);
3345 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3346 mono_marshal_emit_switch_domain (mb);
3347 mono_mb_emit_byte (mb, CEE_POP);
3349 /* Restore thread domain data */
3351 mono_mb_emit_ldloc (mb, loc_context);
3352 mono_mb_emit_icall (mb, mono_context_set);
3354 /* if (loc_serialized_exc != null) ... */
3356 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3357 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3359 mono_mb_emit_byte (mb, 0);
3361 mono_mb_emit_ldloc (mb, loc_serialized_exc);
3362 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3363 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3364 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3365 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
3366 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
3367 mono_mb_emit_byte (mb, CEE_THROW);
3368 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
3370 /* copy back non-serialized output parameters */
3373 for (i = 0; i < sig->param_count; i++) {
3374 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
3375 mono_mb_emit_ldarg (mb, i + 1);
3376 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
3377 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
3378 mono_mb_emit_byte (mb, CEE_STIND_REF);
3381 /* Deserialize out parameters */
3383 if (complex_out_count > 0) {
3384 mono_mb_emit_ldloc (mb, loc_serialized_data);
3385 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3386 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3387 mono_mb_emit_stloc (mb, loc_array);
3389 /* Copy back output parameters and return type */
3392 for (i = 0; i < sig->param_count; i++) {
3393 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3394 if (sig->params[i]->byref) {
3395 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3396 mono_mb_emit_ldarg (mb, i + 1);
3397 mono_mb_emit_ldloc (mb, loc_array);
3398 mono_mb_emit_icon (mb, j);
3399 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3400 if (pclass->valuetype) {
3401 mono_mb_emit_byte (mb, CEE_UNBOX);
3402 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3403 mono_mb_emit_byte (mb, CEE_LDOBJ);
3404 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3405 mono_mb_emit_byte (mb, CEE_STOBJ);
3406 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3408 if (pclass != mono_defaults.object_class) {
3409 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3410 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3412 mono_mb_emit_byte (mb, CEE_STIND_REF);
3418 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3419 mono_mb_emit_ldloc (mb, loc_array);
3420 mono_mb_emit_icon (mb, complex_count);
3421 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3422 if (ret_class->valuetype) {
3423 mono_mb_emit_byte (mb, CEE_UNBOX);
3424 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3425 mono_mb_emit_byte (mb, CEE_LDOBJ);
3426 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3429 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3430 mono_mb_emit_ldloc (mb, loc_serialized_data);
3431 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3432 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3433 if (ret_class->valuetype) {
3434 mono_mb_emit_byte (mb, CEE_UNBOX);
3435 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3436 mono_mb_emit_byte (mb, CEE_LDOBJ);
3437 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3438 } else if (ret_class != mono_defaults.object_class) {
3439 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3440 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3443 mono_mb_emit_ldloc (mb, loc_serialized_data);
3444 mono_mb_emit_byte (mb, CEE_DUP);
3445 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3447 mono_mb_emit_byte (mb, 0);
3448 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3450 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3451 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3452 mono_mb_emit_byte (mb, CEE_POP);
3456 mono_mb_emit_ldloc (mb, loc_return);
3457 if (ret_marshal_type == MONO_MARSHAL_COPY)
3458 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3461 mono_mb_emit_byte (mb, CEE_RET);
3463 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3470 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3472 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3473 return mono_marshal_get_xappdomain_invoke (method);
3475 return mono_marshal_get_remoting_invoke (method);
3478 G_GNUC_UNUSED static gpointer
3479 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3481 if (rp->target_domain_id != -1)
3482 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3484 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3488 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3490 MonoMethodSignature *sig;
3491 MonoMethodBuilder *mb;
3492 MonoMethod *res, *native;
3493 int i, pos, pos_rem;
3497 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3500 sig = signature_no_pinvoke (method);
3502 /* we cant remote methods without this pointer */
3503 g_assert (sig->hasthis);
3505 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3508 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3510 for (i = 0; i <= sig->param_count; i++)
3511 mono_mb_emit_ldarg (mb, i);
3513 mono_mb_emit_ldarg (mb, 0);
3514 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3516 if (mono_marshal_supports_fast_xdomain (method)) {
3517 mono_mb_emit_ldarg (mb, 0);
3518 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3520 /* wrapper for cross app domain calls */
3521 native = mono_marshal_get_xappdomain_invoke (method);
3522 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3523 mono_mb_emit_byte (mb, CEE_RET);
3525 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3527 /* wrapper for normal remote calls */
3528 native = mono_marshal_get_remoting_invoke (method);
3529 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3530 mono_mb_emit_byte (mb, CEE_RET);
3533 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3534 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3535 mono_mb_emit_byte (mb, CEE_RET);
3537 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3544 * the returned method invokes all methods in a multicast delegate
3547 mono_marshal_get_delegate_invoke (MonoMethod *method)
3549 MonoMethodSignature *sig, *static_sig;
3551 MonoMethodBuilder *mb;
3557 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3558 !strcmp (method->name, "Invoke"));
3560 sig = signature_no_pinvoke (method);
3562 cache = method->klass->image->delegate_invoke_cache;
3563 if ((res = mono_marshal_find_in_cache (cache, sig)))
3566 static_sig = signature_dup (method->klass->image, sig);
3567 static_sig->hasthis = 0;
3569 name = mono_signature_to_name (sig, "invoke");
3570 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3573 /* allocate local 0 (object) */
3574 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3576 g_assert (sig->hasthis);
3580 * prev.Invoke( args .. );
3581 * return this.<target>( args .. );
3584 /* this wrapper can be used in unmanaged-managed transitions */
3585 emit_thread_interrupt_checkpoint (mb);
3587 /* get this->prev */
3588 mono_mb_emit_ldarg (mb, 0);
3589 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3590 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3591 mono_mb_emit_stloc (mb, 0);
3593 /* if prev != null */
3594 mono_mb_emit_ldloc (mb, 0);
3595 mono_mb_emit_byte (mb, CEE_BRFALSE);
3598 mono_mb_emit_i4 (mb, 0);
3601 mono_mb_emit_ldloc (mb, 0);
3602 for (i = 0; i < sig->param_count; i++)
3603 mono_mb_emit_ldarg (mb, i + 1);
3604 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3605 if (sig->ret->type != MONO_TYPE_VOID)
3606 mono_mb_emit_byte (mb, CEE_POP);
3608 /* continued or prev == null */
3609 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3611 /* get this->target */
3612 mono_mb_emit_ldarg (mb, 0);
3613 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3614 mono_mb_emit_byte (mb, CEE_LDIND_REF);
3615 mono_mb_emit_stloc (mb, 0);
3617 /* if target != null */
3618 mono_mb_emit_ldloc (mb, 0);
3619 mono_mb_emit_byte (mb, CEE_BRFALSE);
3621 mono_mb_emit_i4 (mb, 0);
3623 /* then call this->method_ptr nonstatic */
3624 mono_mb_emit_ldloc (mb, 0);
3625 for (i = 0; i < sig->param_count; ++i)
3626 mono_mb_emit_ldarg (mb, i + 1);
3627 mono_mb_emit_ldarg (mb, 0);
3628 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3629 mono_mb_emit_byte (mb, CEE_LDIND_I );
3630 mono_mb_emit_byte (mb, CEE_CALLI);
3631 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3633 mono_mb_emit_byte (mb, CEE_BR);
3635 mono_mb_emit_i4 (mb, 0);
3637 /* else [target == null] call this->method_ptr static */
3638 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3640 for (i = 0; i < sig->param_count; ++i)
3641 mono_mb_emit_ldarg (mb, i + 1);
3642 mono_mb_emit_ldarg (mb, 0);
3643 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3644 mono_mb_emit_byte (mb, CEE_LDIND_I );
3645 mono_mb_emit_byte (mb, CEE_CALLI);
3646 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3649 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3650 mono_mb_emit_byte (mb, CEE_RET);
3652 res = mono_mb_create_and_cache (cache, sig,
3653 mb, sig, sig->param_count + 16);
3660 * signature_dup_add_this:
3662 * Make a copy of @sig, adding an explicit this argument.
3664 static MonoMethodSignature*
3665 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3667 MonoMethodSignature *res;
3670 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3671 memcpy (res, sig, sizeof (MonoMethodSignature));
3672 res->param_count = sig->param_count + 1;
3673 res->hasthis = FALSE;
3674 for (i = sig->param_count - 1; i >= 0; i --)
3675 res->params [i + 1] = sig->params [i];
3676 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3683 MonoMethodSignature *sig;
3689 * generates IL code for the runtime invoke function
3690 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3692 * we also catch exceptions if exc != null
3695 mono_marshal_get_runtime_invoke (MonoMethod *method)
3697 MonoMethodSignature *sig, *csig, *callsig;
3698 MonoExceptionClause *clause;
3699 MonoMethodHeader *header;
3700 MonoMethodBuilder *mb;
3701 GHashTable *cache = NULL;
3702 MonoClass *target_klass;
3703 MonoMethod *res = NULL;
3705 static MonoString *string_dummy = NULL;
3706 static MonoMethodSignature *dealy_abort_sig = NULL;
3712 target_klass = method->klass;
3714 mono_marshal_lock ();
3716 if (method->string_ctor) {
3717 static GSList *strsig_list = NULL;
3721 for (item = strsig_list; item; item = item->next) {
3723 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
3729 callsig = signature_dup (method->klass->image, mono_method_signature (method));
3730 callsig->ret = &mono_defaults.string_class->byval_arg;
3731 cs = g_new (CtorSigPair, 1);
3734 strsig_list = g_slist_prepend (strsig_list, cs);
3737 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
3739 * Valuetype methods receive a managed pointer as the this argument.
3740 * Create a new signature to reflect this.
3742 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
3744 callsig = mono_method_signature (method);
3748 cache = method->klass->image->runtime_invoke_cache;
3750 /* from mono_marshal_find_in_cache */
3751 res = g_hash_table_lookup (cache, callsig);
3752 mono_marshal_unlock ();
3758 if (!dealy_abort_sig) {
3759 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3760 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3761 dealy_abort_sig->pinvoke = 0;
3764 target_klass = mono_defaults.object_class;
3766 /* to make it work with our special string constructors */
3767 if (!string_dummy) {
3768 MONO_GC_REGISTER_ROOT (string_dummy);
3769 string_dummy = mono_string_new_wrapper ("dummy");
3772 sig = mono_method_signature (method);
3774 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3776 csig->ret = &mono_defaults.object_class->byval_arg;
3777 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3778 csig->params [0] = callsig->params [0];
3780 csig->params [0] = &mono_defaults.object_class->byval_arg;
3781 csig->params [1] = &mono_defaults.int_class->byval_arg;
3782 csig->params [2] = &mono_defaults.int_class->byval_arg;
3783 csig->params [3] = &mono_defaults.int_class->byval_arg;
3785 name = mono_signature_to_name (callsig, "runtime_invoke");
3786 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3789 /* allocate local 0 (object) tmp */
3790 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3791 /* allocate local 1 (object) exc */
3792 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3794 /* cond set *exc to null */
3795 mono_mb_emit_byte (mb, CEE_LDARG_2);
3796 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3797 mono_mb_emit_byte (mb, 3);
3798 mono_mb_emit_byte (mb, CEE_LDARG_2);
3799 mono_mb_emit_byte (mb, CEE_LDNULL);
3800 mono_mb_emit_byte (mb, CEE_STIND_REF);
3802 emit_thread_force_interrupt_checkpoint (mb);
3805 if (method->string_ctor) {
3806 mono_mb_emit_ptr (mb, string_dummy);
3808 mono_mb_emit_ldarg (mb, 0);
3812 for (i = 0; i < sig->param_count; i++) {
3813 MonoType *t = sig->params [i];
3816 mono_mb_emit_ldarg (mb, 1);
3818 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3819 mono_mb_emit_byte (mb, CEE_ADD);
3821 mono_mb_emit_byte (mb, CEE_LDIND_I);
3826 type = sig->params [i]->type;
3830 case MONO_TYPE_BOOLEAN:
3834 case MONO_TYPE_CHAR:
3843 mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
3845 case MONO_TYPE_STRING:
3846 case MONO_TYPE_CLASS:
3847 case MONO_TYPE_ARRAY:
3849 case MONO_TYPE_SZARRAY:
3850 case MONO_TYPE_OBJECT:
3853 case MONO_TYPE_VALUETYPE:
3854 if (t->data.klass->enumtype) {
3855 type = t->data.klass->enum_basetype->type;
3858 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
3859 /* Need to convert a boxed vtype to an mp to a Nullable struct */
3860 mono_mb_emit_byte (mb, CEE_UNBOX);
3861 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
3862 mono_mb_emit_byte (mb, CEE_LDOBJ);
3863 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->params [i])));
3865 mono_mb_emit_byte (mb, CEE_LDOBJ);
3866 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3869 case MONO_TYPE_GENERICINST:
3870 t = &t->data.generic_class->container_class->byval_arg;
3874 g_assert_not_reached ();
3878 mono_mb_emit_ldarg (mb, 3);
3879 mono_mb_emit_calli (mb, callsig);
3881 if (sig->ret->byref) {
3883 g_assert_not_reached ();
3887 switch (sig->ret->type) {
3888 case MONO_TYPE_VOID:
3889 if (!method->string_ctor)
3890 mono_mb_emit_byte (mb, CEE_LDNULL);
3892 case MONO_TYPE_BOOLEAN:
3893 case MONO_TYPE_CHAR:
3906 case MONO_TYPE_VALUETYPE:
3907 case MONO_TYPE_TYPEDBYREF:
3908 case MONO_TYPE_GENERICINST:
3909 /* box value types */
3910 mono_mb_emit_byte (mb, CEE_BOX);
3911 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3913 case MONO_TYPE_STRING:
3914 case MONO_TYPE_CLASS:
3915 case MONO_TYPE_ARRAY:
3916 case MONO_TYPE_SZARRAY:
3917 case MONO_TYPE_OBJECT:
3922 g_assert_not_reached ();
3925 mono_mb_emit_stloc (mb, 0);
3927 mono_mb_emit_byte (mb, CEE_LEAVE);
3929 mono_mb_emit_i4 (mb, 0);
3931 mono_loader_lock ();
3932 clause = mono_mempool_alloc0 (target_klass->image->mempool, sizeof (MonoExceptionClause));
3933 mono_loader_unlock ();
3934 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3935 clause->try_len = mb->pos;
3938 clause->data.filter_offset = mb->pos;
3940 mono_mb_emit_byte (mb, CEE_POP);
3941 mono_mb_emit_byte (mb, CEE_LDARG_2);
3942 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3943 mono_mb_emit_byte (mb, CEE_PREFIX1);
3944 mono_mb_emit_byte (mb, CEE_CGT_UN);
3945 mono_mb_emit_byte (mb, CEE_PREFIX1);
3946 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3948 clause->handler_offset = mb->pos;
3951 /* store exception */
3952 mono_mb_emit_stloc (mb, 1);
3954 mono_mb_emit_byte (mb, CEE_LDARG_2);
3955 mono_mb_emit_ldloc (mb, 1);
3956 mono_mb_emit_byte (mb, CEE_STIND_REF);
3958 mono_mb_emit_byte (mb, CEE_LDNULL);
3959 mono_mb_emit_stloc (mb, 0);
3961 /* Check for the abort exception */
3962 mono_mb_emit_ldloc (mb, 1);
3963 mono_mb_emit_byte (mb, CEE_ISINST);
3964 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3965 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3967 mono_mb_emit_byte (mb, 0);
3969 /* Delay the abort exception */
3970 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3972 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3973 mono_mb_emit_byte (mb, CEE_LEAVE);
3974 mono_mb_emit_i4 (mb, 0);
3976 clause->handler_len = mb->pos - clause->handler_offset;
3979 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3980 mono_mb_emit_ldloc (mb, 0);
3981 mono_mb_emit_byte (mb, CEE_RET);
3983 /* taken from mono_mb_create_and_cache */
3984 mono_loader_lock ();
3985 mono_marshal_lock ();
3987 res = g_hash_table_lookup (cache, callsig);
3988 /* Somebody may have created it before us */
3990 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3991 g_hash_table_insert (cache, callsig, res);
3992 g_hash_table_insert (wrapper_hash, res, callsig);
3995 mono_marshal_unlock ();
3996 mono_loader_unlock ();
3997 /* end mono_mb_create_and_cache */
4001 header = ((MonoMethodNormal *)res)->header;
4002 header->num_clauses = 1;
4003 header->clauses = clause;
4009 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
4011 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
4012 klass->name_space, klass->name);
4014 mono_mb_emit_exception_marshal_directive (mb, msg);
4018 * mono_marshal_get_ldfld_remote_wrapper:
4019 * @klass: The return type
4021 * This method generates a wrapper for calling mono_load_remote_field_new with
4022 * the appropriate return type.
4025 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
4027 MonoMethodSignature *sig, *csig;
4028 MonoMethodBuilder *mb;
4033 cache = klass->image->ldfld_remote_wrapper_cache;
4034 if ((res = mono_marshal_find_in_cache (cache, klass)))
4038 * This wrapper is similar to an icall wrapper but all the wrappers
4039 * call the same C function, but with a different signature.
4041 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4042 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
4045 mb->method->save_lmf = 1;
4047 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4048 sig->params [0] = &mono_defaults.object_class->byval_arg;
4049 sig->params [1] = &mono_defaults.int_class->byval_arg;
4050 sig->params [2] = &mono_defaults.int_class->byval_arg;
4051 sig->ret = &klass->this_arg;
4053 mono_mb_emit_ldarg (mb, 0);
4054 mono_mb_emit_ldarg (mb, 1);
4055 mono_mb_emit_ldarg (mb, 2);
4057 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4058 csig->params [0] = &mono_defaults.object_class->byval_arg;
4059 csig->params [1] = &mono_defaults.int_class->byval_arg;
4060 csig->params [2] = &mono_defaults.int_class->byval_arg;
4061 csig->ret = &klass->this_arg;
4064 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4065 emit_thread_interrupt_checkpoint (mb);
4067 mono_mb_emit_byte (mb, CEE_RET);
4069 res = mono_mb_create_and_cache (cache, klass,
4070 mb, sig, sig->param_count + 16);
4077 * mono_marshal_get_ldfld_wrapper:
4078 * @type: the type of the field
4080 * This method generates a function which can be use to load a field with type
4081 * @type from an object. The generated function has the following signature:
4082 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4085 mono_marshal_get_ldfld_wrapper (MonoType *type)
4087 MonoMethodSignature *sig;
4088 MonoMethodBuilder *mb;
4093 int t, pos0, pos1 = 0;
4095 type = mono_type_get_underlying_type (type);
4100 if (type->type == MONO_TYPE_SZARRAY) {
4101 klass = mono_defaults.array_class;
4102 } else if (type->type == MONO_TYPE_VALUETYPE) {
4103 klass = type->data.klass;
4104 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4105 klass = mono_defaults.object_class;
4106 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4107 klass = mono_defaults.int_class;
4108 } else if (t == MONO_TYPE_GENERICINST) {
4109 if (mono_type_generic_inst_is_valuetype (type))
4110 klass = mono_class_from_mono_type (type);
4112 klass = mono_defaults.object_class;
4114 klass = mono_class_from_mono_type (type);
4117 klass = mono_defaults.int_class;
4120 cache = klass->image->ldfld_wrapper_cache;
4121 if ((res = mono_marshal_find_in_cache (cache, klass)))
4124 /* we add the %p pointer value of klass because class names are not unique */
4125 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4126 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4129 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4130 sig->params [0] = &mono_defaults.object_class->byval_arg;
4131 sig->params [1] = &mono_defaults.int_class->byval_arg;
4132 sig->params [2] = &mono_defaults.int_class->byval_arg;
4133 sig->params [3] = &mono_defaults.int_class->byval_arg;
4134 sig->ret = &klass->byval_arg;
4136 mono_mb_emit_ldarg (mb, 0);
4137 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4139 mono_mb_emit_ldarg (mb, 0);
4140 mono_mb_emit_ldarg (mb, 1);
4141 mono_mb_emit_ldarg (mb, 2);
4143 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
4146 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4147 csig->params [0] = &mono_defaults.object_class->byval_arg;
4148 csig->params [1] = &mono_defaults.int_class->byval_arg;
4149 csig->params [2] = &mono_defaults.int_class->byval_arg;
4150 csig->ret = &klass->this_arg;
4153 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4154 emit_thread_interrupt_checkpoint (mb);
4157 if (klass->valuetype) {
4158 mono_mb_emit_byte (mb, CEE_UNBOX);
4159 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4160 mono_mb_emit_byte (mb, CEE_BR);
4162 mono_mb_emit_i4 (mb, 0);
4164 mono_mb_emit_byte (mb, CEE_RET);
4168 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4170 mono_mb_emit_ldarg (mb, 0);
4171 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4172 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4173 mono_mb_emit_ldarg (mb, 3);
4174 mono_mb_emit_byte (mb, CEE_ADD);
4176 if (klass->valuetype)
4177 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4182 case MONO_TYPE_BOOLEAN:
4183 case MONO_TYPE_CHAR:
4192 case MONO_TYPE_ARRAY:
4193 case MONO_TYPE_SZARRAY:
4194 case MONO_TYPE_OBJECT:
4195 case MONO_TYPE_CLASS:
4196 case MONO_TYPE_STRING:
4200 case MONO_TYPE_FNPTR:
4201 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
4203 case MONO_TYPE_VALUETYPE:
4204 g_assert (!klass->enumtype);
4205 mono_mb_emit_byte (mb, CEE_LDOBJ);
4206 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4208 case MONO_TYPE_GENERICINST:
4209 if (mono_type_generic_inst_is_valuetype (type)) {
4210 mono_mb_emit_byte (mb, CEE_LDOBJ);
4211 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4213 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4217 g_warning ("type %x not implemented", type->type);
4218 g_assert_not_reached ();
4221 mono_mb_emit_byte (mb, CEE_RET);
4223 res = mono_mb_create_and_cache (cache, klass,
4224 mb, sig, sig->param_count + 16);
4231 * mono_marshal_get_ldflda_wrapper:
4232 * @type: the type of the field
4234 * This method generates a function which can be used to load a field address
4235 * from an object. The generated function has the following signature:
4236 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
4239 mono_marshal_get_ldflda_wrapper (MonoType *type)
4241 MonoMethodSignature *sig;
4242 MonoMethodBuilder *mb;
4249 type = mono_type_get_underlying_type (type);
4253 if (type->type == MONO_TYPE_SZARRAY) {
4254 klass = mono_defaults.array_class;
4255 } else if (type->type == MONO_TYPE_VALUETYPE) {
4256 klass = type->data.klass;
4257 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4258 t == MONO_TYPE_CLASS) {
4259 klass = mono_defaults.object_class;
4260 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4261 klass = mono_defaults.int_class;
4262 } else if (t == MONO_TYPE_GENERICINST) {
4263 if (mono_type_generic_inst_is_valuetype (type))
4264 klass = mono_class_from_mono_type (type);
4266 klass = mono_defaults.object_class;
4268 klass = mono_class_from_mono_type (type);
4271 klass = mono_defaults.int_class;
4274 cache = klass->image->ldflda_wrapper_cache;
4275 if ((res = mono_marshal_find_in_cache (cache, klass)))
4278 /* we add the %p pointer value of klass because class names are not unique */
4279 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4280 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
4283 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4284 sig->params [0] = &mono_defaults.object_class->byval_arg;
4285 sig->params [1] = &mono_defaults.int_class->byval_arg;
4286 sig->params [2] = &mono_defaults.int_class->byval_arg;
4287 sig->params [3] = &mono_defaults.int_class->byval_arg;
4288 sig->ret = &mono_defaults.int_class->byval_arg;
4290 mono_mb_emit_ldarg (mb, 0);
4291 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4293 /* FIXME: Only throw this if the object is in another appdomain */
4294 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
4296 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4298 mono_mb_emit_ldarg (mb, 0);
4299 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4300 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4301 mono_mb_emit_ldarg (mb, 3);
4302 mono_mb_emit_byte (mb, CEE_ADD);
4304 mono_mb_emit_byte (mb, CEE_RET);
4306 res = mono_mb_create_and_cache (cache, klass,
4307 mb, sig, sig->param_count + 16);
4314 * mono_marshal_get_stfld_remote_wrapper:
4315 * klass: The type of the field
4317 * This function generates a wrapper for calling mono_store_remote_field_new
4318 * with the appropriate signature.
4321 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
4323 MonoMethodSignature *sig, *csig;
4324 MonoMethodBuilder *mb;
4329 cache = klass->image->stfld_remote_wrapper_cache;
4330 if ((res = mono_marshal_find_in_cache (cache, klass)))
4333 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
4334 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
4337 mb->method->save_lmf = 1;
4339 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4340 sig->params [0] = &mono_defaults.object_class->byval_arg;
4341 sig->params [1] = &mono_defaults.int_class->byval_arg;
4342 sig->params [2] = &mono_defaults.int_class->byval_arg;
4343 sig->params [3] = &klass->byval_arg;
4344 sig->ret = &mono_defaults.void_class->byval_arg;
4346 mono_mb_emit_ldarg (mb, 0);
4347 mono_mb_emit_ldarg (mb, 1);
4348 mono_mb_emit_ldarg (mb, 2);
4349 mono_mb_emit_ldarg (mb, 3);
4351 if (klass->valuetype) {
4352 mono_mb_emit_byte (mb, CEE_BOX);
4353 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4356 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4357 csig->params [0] = &mono_defaults.object_class->byval_arg;
4358 csig->params [1] = &mono_defaults.int_class->byval_arg;
4359 csig->params [2] = &mono_defaults.int_class->byval_arg;
4360 csig->params [3] = &klass->byval_arg;
4361 csig->ret = &mono_defaults.void_class->byval_arg;
4364 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4365 emit_thread_interrupt_checkpoint (mb);
4367 mono_mb_emit_byte (mb, CEE_RET);
4369 res = mono_mb_create_and_cache (cache, klass,
4370 mb, sig, sig->param_count + 16);
4377 * mono_marshal_get_stfld_wrapper:
4378 * @type: the type of the field
4380 * This method generates a function which can be use to store a field with type
4381 * @type. The generated function has the following signature:
4382 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4385 mono_marshal_get_stfld_wrapper (MonoType *type)
4387 MonoMethodSignature *sig;
4388 MonoMethodBuilder *mb;
4395 type = mono_type_get_underlying_type (type);
4399 if (type->type == MONO_TYPE_SZARRAY) {
4400 klass = mono_defaults.array_class;
4401 } else if (type->type == MONO_TYPE_VALUETYPE) {
4402 klass = type->data.klass;
4403 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4404 klass = mono_defaults.object_class;
4405 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4406 klass = mono_defaults.int_class;
4407 } else if (t == MONO_TYPE_GENERICINST) {
4408 if (mono_type_generic_inst_is_valuetype (type))
4409 klass = mono_class_from_mono_type (type);
4411 klass = mono_defaults.object_class;
4413 klass = mono_class_from_mono_type (type);
4416 klass = mono_defaults.int_class;
4419 cache = klass->image->stfld_wrapper_cache;
4420 if ((res = mono_marshal_find_in_cache (cache, klass)))
4423 /* we add the %p pointer value of klass because class names are not unique */
4424 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
4425 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4428 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4429 sig->params [0] = &mono_defaults.object_class->byval_arg;
4430 sig->params [1] = &mono_defaults.int_class->byval_arg;
4431 sig->params [2] = &mono_defaults.int_class->byval_arg;
4432 sig->params [3] = &mono_defaults.int_class->byval_arg;
4433 sig->params [4] = &klass->byval_arg;
4434 sig->ret = &mono_defaults.void_class->byval_arg;
4436 mono_mb_emit_ldarg (mb, 0);
4437 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4439 mono_mb_emit_ldarg (mb, 0);
4440 mono_mb_emit_ldarg (mb, 1);
4441 mono_mb_emit_ldarg (mb, 2);
4442 mono_mb_emit_ldarg (mb, 4);
4444 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4446 mono_mb_emit_byte (mb, CEE_RET);
4448 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4450 mono_mb_emit_ldarg (mb, 0);
4451 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4452 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4453 mono_mb_emit_ldarg (mb, 3);
4454 mono_mb_emit_byte (mb, CEE_ADD);
4455 mono_mb_emit_ldarg (mb, 4);
4460 case MONO_TYPE_BOOLEAN:
4461 case MONO_TYPE_CHAR:
4470 case MONO_TYPE_ARRAY:
4471 case MONO_TYPE_SZARRAY:
4472 case MONO_TYPE_OBJECT:
4473 case MONO_TYPE_CLASS:
4474 case MONO_TYPE_STRING:
4478 case MONO_TYPE_FNPTR:
4479 mono_mb_emit_byte (mb, mono_type_to_stind (type));
4481 case MONO_TYPE_VALUETYPE:
4482 g_assert (!klass->enumtype);
4483 mono_mb_emit_byte (mb, CEE_STOBJ);
4484 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4486 case MONO_TYPE_GENERICINST:
4487 mono_mb_emit_byte (mb, CEE_STOBJ);
4488 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4491 g_warning ("type %x not implemented", type->type);
4492 g_assert_not_reached ();
4495 mono_mb_emit_byte (mb, CEE_RET);
4497 res = mono_mb_create_and_cache (cache, klass,
4498 mb, sig, sig->param_count + 16);
4505 * generates IL code for the icall wrapper (the generated method
4506 * calls the unmanaged code in func)
4509 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4511 MonoMethodSignature *csig;
4512 MonoMethodBuilder *mb;
4516 g_assert (sig->pinvoke);
4518 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4520 mb->method->save_lmf = 1;
4522 /* we copy the signature, so that we can modify it */
4525 mono_mb_emit_byte (mb, CEE_LDARG_0);
4527 for (i = 0; i < sig->param_count; i++)
4528 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4530 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4531 emit_thread_interrupt_checkpoint (mb);
4532 mono_mb_emit_byte (mb, CEE_RET);
4534 csig = signature_dup (mono_defaults.corlib, sig);
4536 if (csig->call_convention == MONO_CALL_VARARG)
4537 csig->call_convention = 0;
4539 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4546 MonoMethodBuilder *mb;
4547 MonoMethodSignature *sig;
4548 MonoMethodPInvoke *piinfo;
4549 int *orig_conv_args; /* Locals containing the original values of byref args */
4551 MonoClass *retobj_class;
4552 MonoMethodSignature *csig; /* Might need to be changed due to MarshalAs directives */
4553 } EmitMarshalContext;
4556 MARSHAL_ACTION_CONV_IN,
4557 MARSHAL_ACTION_PUSH,
4558 MARSHAL_ACTION_CONV_OUT,
4559 MARSHAL_ACTION_CONV_RESULT,
4560 MARSHAL_ACTION_MANAGED_CONV_IN,
4561 MARSHAL_ACTION_MANAGED_CONV_OUT,
4562 MARSHAL_ACTION_MANAGED_CONV_RESULT
4566 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4567 MonoMarshalSpec *spec,
4568 int conv_arg, MonoType **conv_arg_type,
4569 MarshalAction action)
4573 static MonoClass *ICustomMarshaler = NULL;
4574 static MonoMethod *cleanup_native, *cleanup_managed;
4575 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4576 MonoMethod *get_instance;
4577 MonoMethodBuilder *mb = m->mb;
4578 char *exception_msg = NULL;
4582 if (!ICustomMarshaler) {
4583 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4584 g_assert (ICustomMarshaler);
4586 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
4587 g_assert (cleanup_native);
4588 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
4589 g_assert (cleanup_managed);
4590 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
4591 g_assert (marshal_managed_to_native);
4592 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
4593 g_assert (marshal_native_to_managed);
4596 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4597 g_assert (mtype != NULL);
4598 mklass = mono_class_from_mono_type (mtype);
4599 g_assert (mklass != NULL);
4601 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4602 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4604 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4606 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4607 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4608 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4609 (get_sig->params [0]->type != MONO_TYPE_STRING))
4610 get_instance = NULL;
4614 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);
4616 /* Throw exception and emit compensation code if neccesary */
4617 if (exception_msg) {
4619 case MARSHAL_ACTION_CONV_IN:
4620 case MARSHAL_ACTION_CONV_RESULT:
4621 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4622 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4623 mono_mb_emit_byte (mb, CEE_POP);
4625 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4626 g_free (exception_msg);
4629 case MARSHAL_ACTION_PUSH:
4630 mono_mb_emit_byte (mb, CEE_LDNULL);
4638 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4639 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4642 case MARSHAL_ACTION_CONV_IN:
4644 case MONO_TYPE_CLASS:
4645 case MONO_TYPE_OBJECT:
4646 case MONO_TYPE_STRING:
4647 case MONO_TYPE_ARRAY:
4648 case MONO_TYPE_SZARRAY:
4649 case MONO_TYPE_VALUETYPE:
4653 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4654 g_assert_not_reached ();
4658 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4660 mono_mb_emit_byte (mb, CEE_LDNULL);
4661 mono_mb_emit_stloc (mb, conv_arg);
4663 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4666 /* Check for null */
4667 mono_mb_emit_ldarg (mb, argnum);
4669 mono_mb_emit_byte (mb, CEE_LDIND_I);
4670 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4672 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4674 mono_mb_emit_byte (mb, CEE_CALL);
4675 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4677 mono_mb_emit_ldarg (mb, argnum);
4679 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4681 if (t->type == MONO_TYPE_VALUETYPE) {
4683 * Since we can't determine the type of the argument, we
4684 * will assume the unmanaged function takes a pointer.
4686 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4688 mono_mb_emit_byte (mb, CEE_BOX);
4689 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4692 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4693 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4694 mono_mb_emit_stloc (mb, conv_arg);
4696 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4699 case MARSHAL_ACTION_CONV_OUT:
4700 /* Check for null */
4701 mono_mb_emit_ldloc (mb, conv_arg);
4702 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4705 mono_mb_emit_ldarg (mb, argnum);
4707 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4709 mono_mb_emit_byte (mb, CEE_CALL);
4710 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4712 mono_mb_emit_ldloc (mb, conv_arg);
4713 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4714 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4715 mono_mb_emit_byte (mb, CEE_STIND_REF);
4718 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4720 mono_mb_emit_byte (mb, CEE_CALL);
4721 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4723 mono_mb_emit_ldloc (mb, conv_arg);
4725 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4726 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4728 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4731 case MARSHAL_ACTION_PUSH:
4733 mono_mb_emit_ldloc_addr (mb, conv_arg);
4735 mono_mb_emit_ldloc (mb, conv_arg);
4738 case MARSHAL_ACTION_CONV_RESULT:
4739 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4741 mono_mb_emit_stloc (mb, 3);
4743 mono_mb_emit_ldloc (mb, 3);
4744 mono_mb_emit_stloc (mb, loc1);
4746 /* Check for null */
4747 mono_mb_emit_ldloc (mb, 3);
4748 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4750 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4752 mono_mb_emit_byte (mb, CEE_CALL);
4753 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4754 mono_mb_emit_byte (mb, CEE_DUP);
4756 mono_mb_emit_ldloc (mb, 3);
4757 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4758 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4759 mono_mb_emit_stloc (mb, 3);
4761 mono_mb_emit_ldloc (mb, loc1);
4762 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4763 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4765 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4768 case MARSHAL_ACTION_MANAGED_CONV_IN:
4774 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4776 mono_mb_emit_byte (mb, CEE_LDNULL);
4777 mono_mb_emit_stloc (mb, conv_arg);
4779 /* Check for null */
4780 mono_mb_emit_ldarg (mb, argnum);
4781 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4783 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4784 mono_mb_emit_byte (mb, CEE_CALL);
4785 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4787 mono_mb_emit_ldarg (mb, argnum);
4789 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4790 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4791 mono_mb_emit_stloc (mb, conv_arg);
4793 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4796 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4797 g_assert (!t->byref);
4799 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4801 mono_mb_emit_stloc (mb, 3);
4803 mono_mb_emit_ldloc (mb, 3);
4804 mono_mb_emit_stloc (mb, loc1);
4806 /* Check for null */
4807 mono_mb_emit_ldloc (mb, 3);
4808 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4810 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4811 mono_mb_emit_byte (mb, CEE_CALL);
4812 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4813 mono_mb_emit_byte (mb, CEE_DUP);
4815 mono_mb_emit_ldloc (mb, 3);
4816 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4817 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4818 mono_mb_emit_stloc (mb, 3);
4820 mono_mb_emit_ldloc (mb, loc1);
4821 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4822 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4824 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4827 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4828 g_assert (!t->byref);
4830 /* Check for null */
4831 mono_mb_emit_ldloc (mb, conv_arg);
4832 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4834 /* Call CleanUpManagedData */
4835 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4837 mono_mb_emit_byte (mb, CEE_CALL);
4838 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4840 mono_mb_emit_ldloc (mb, conv_arg);
4841 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4842 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4844 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4848 g_assert_not_reached ();
4855 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4856 MonoMarshalSpec *spec,
4857 int conv_arg, MonoType **conv_arg_type,
4858 MarshalAction action)
4860 MonoMethodBuilder *mb = m->mb;
4863 case MARSHAL_ACTION_CONV_IN: {
4864 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4866 g_assert (t->type == MONO_TYPE_OBJECT);
4867 g_assert (!t->byref);
4869 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4870 mono_mb_emit_ldarg (mb, argnum);
4871 mono_mb_emit_icon (mb, encoding);
4872 mono_mb_emit_icon (mb, t->attrs);
4873 mono_mb_emit_icall (mb, mono_marshal_asany);
4874 mono_mb_emit_stloc (mb, conv_arg);
4878 case MARSHAL_ACTION_PUSH:
4879 mono_mb_emit_ldloc (mb, conv_arg);
4882 case MARSHAL_ACTION_CONV_OUT: {
4883 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4885 mono_mb_emit_ldarg (mb, argnum);
4886 mono_mb_emit_ldloc (mb, conv_arg);
4887 mono_mb_emit_icon (mb, encoding);
4888 mono_mb_emit_icon (mb, t->attrs);
4889 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4894 g_assert_not_reached ();
4901 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4902 MonoMarshalSpec *spec,
4903 int conv_arg, MonoType **conv_arg_type,
4904 MarshalAction action)
4906 MonoMethodBuilder *mb = m->mb;
4910 klass = t->data.klass;
4913 case MARSHAL_ACTION_CONV_IN:
4914 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4915 klass->blittable || klass->enumtype)
4918 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4920 /* store the address of the source into local variable 0 */
4922 mono_mb_emit_ldarg (mb, argnum);
4924 mono_mb_emit_ldarg_addr (mb, argnum);
4926 mono_mb_emit_stloc (mb, 0);
4928 /* allocate space for the native struct and
4929 * store the address into local variable 1 (dest) */
4930 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4931 mono_mb_emit_byte (mb, CEE_PREFIX1);
4932 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4933 mono_mb_emit_stloc (mb, conv_arg);
4936 mono_mb_emit_ldloc (mb, 0);
4937 mono_mb_emit_byte (mb, CEE_BRFALSE);
4939 mono_mb_emit_i4 (mb, 0);
4942 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4944 mono_mb_emit_ldloc (mb, conv_arg);
4945 mono_mb_emit_stloc (mb, 1);
4947 /* emit valuetype conversion code */
4948 emit_struct_conv (mb, klass, FALSE);
4952 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4955 case MARSHAL_ACTION_PUSH:
4956 if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
4958 g_assert (!t->byref);
4960 /* Have to change the signature since the vtype is passed byref */
4961 m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
4963 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4964 klass->blittable || klass->enumtype)
4965 mono_mb_emit_ldarg_addr (mb, argnum);
4967 mono_mb_emit_ldloc (mb, conv_arg);
4971 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4972 klass->blittable || klass->enumtype) {
4973 mono_mb_emit_ldarg (mb, argnum);
4976 mono_mb_emit_ldloc (mb, conv_arg);
4978 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4979 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4980 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4984 case MARSHAL_ACTION_CONV_OUT:
4985 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4986 klass->blittable || klass->enumtype)
4990 /* dst = argument */
4991 mono_mb_emit_ldarg (mb, argnum);
4992 mono_mb_emit_stloc (mb, 1);
4994 mono_mb_emit_ldloc (mb, 1);
4995 mono_mb_emit_byte (mb, CEE_BRFALSE);
4997 mono_mb_emit_i4 (mb, 0);
4999 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
5000 /* src = tmp_locals [i] */
5001 mono_mb_emit_ldloc (mb, conv_arg);
5002 mono_mb_emit_stloc (mb, 0);
5004 /* emit valuetype conversion code */
5005 emit_struct_conv (mb, klass, TRUE);
5009 emit_struct_free (mb, klass, conv_arg);
5012 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5015 case MARSHAL_ACTION_CONV_RESULT:
5016 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5018 mono_mb_emit_stloc (mb, 3);
5021 /* load pointer to returned value type */
5022 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5023 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5024 /* store the address of the source into local variable 0 */
5025 mono_mb_emit_stloc (mb, 0);
5027 mono_mb_emit_ldloc_addr (mb, 3);
5028 mono_mb_emit_stloc (mb, 1);
5030 /* emit valuetype conversion code */
5031 emit_struct_conv (mb, klass, TRUE);
5034 case MARSHAL_ACTION_MANAGED_CONV_IN:
5035 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5036 klass->blittable || klass->enumtype) {
5041 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5043 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5047 mono_mb_emit_ldarg (mb, argnum);
5049 mono_mb_emit_ldarg_addr (mb, argnum);
5050 mono_mb_emit_stloc (mb, 0);
5053 mono_mb_emit_ldloc (mb, 0);
5054 mono_mb_emit_byte (mb, CEE_BRFALSE);
5056 mono_mb_emit_i4 (mb, 0);
5059 mono_mb_emit_ldloc_addr (mb, conv_arg);
5060 mono_mb_emit_stloc (mb, 1);
5062 /* emit valuetype conversion code */
5063 emit_struct_conv (mb, klass, TRUE);
5066 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5069 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5070 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5071 klass->blittable || klass->enumtype) {
5075 /* Check for null */
5076 mono_mb_emit_ldarg (mb, argnum);
5077 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5080 mono_mb_emit_ldloc_addr (mb, conv_arg);
5081 mono_mb_emit_stloc (mb, 0);
5084 mono_mb_emit_ldarg (mb, argnum);
5085 mono_mb_emit_stloc (mb, 1);
5087 /* emit valuetype conversion code */
5088 emit_struct_conv (mb, klass, FALSE);
5090 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5093 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5094 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5095 klass->blittable || klass->enumtype) {
5096 mono_mb_emit_stloc (mb, 3);
5101 /* load pointer to returned value type */
5102 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5103 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
5105 /* store the address of the source into local variable 0 */
5106 mono_mb_emit_stloc (mb, 0);
5107 /* allocate space for the native struct and
5108 * store the address into dst_ptr */
5109 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5110 m->retobj_class = klass;
5111 g_assert (m->retobj_var);
5112 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5113 mono_mb_emit_byte (mb, CEE_CONV_I);
5114 mono_mb_emit_icall (mb, mono_marshal_alloc);
5115 mono_mb_emit_stloc (mb, 1);
5116 mono_mb_emit_ldloc (mb, 1);
5117 mono_mb_emit_stloc (mb, m->retobj_var);
5119 /* emit valuetype conversion code */
5120 emit_struct_conv (mb, klass, FALSE);
5124 g_assert_not_reached ();
5131 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
5132 MonoMarshalSpec *spec,
5133 int conv_arg, MonoType **conv_arg_type,
5134 MarshalAction action)
5136 MonoMethodBuilder *mb = m->mb;
5137 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5138 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5142 case MARSHAL_ACTION_CONV_IN:
5143 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5144 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5147 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5150 mono_mb_emit_ldarg (mb, argnum);
5151 mono_mb_emit_byte (mb, CEE_LDIND_I);
5153 mono_mb_emit_ldarg (mb, argnum);
5157 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5158 MonoException *exc = mono_get_exception_not_implemented (msg);
5161 mono_raise_exception (exc);
5164 mono_mb_emit_icall (mb, conv_to_icall (conv));
5166 mono_mb_emit_stloc (mb, conv_arg);
5169 case MARSHAL_ACTION_CONV_OUT:
5170 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5171 mono_mb_emit_ldarg (mb, argnum);
5172 mono_mb_emit_ldloc (mb, conv_arg);
5173 if (conv == MONO_MARSHAL_CONV_STR_BSTR) {
5174 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_BSTR_STR));
5175 // BSTRs always need freed
5176 mono_mb_emit_ldloc (mb, conv_arg);
5177 mono_mb_emit_icall (mb, mono_free_bstr);
5180 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
5181 mono_mb_emit_byte (mb, CEE_STIND_REF);
5183 if (mono_marshal_need_free (t, m->piinfo, spec)) {
5184 mono_mb_emit_ldloc (mb, conv_arg);
5185 if (conv == MONO_MARSHAL_CONV_STR_BSTR)
5186 mono_mb_emit_icall (mb, mono_free_bstr);
5188 mono_mb_emit_icall (mb, mono_marshal_free);
5193 case MARSHAL_ACTION_PUSH:
5195 mono_mb_emit_ldloc_addr (mb, conv_arg);
5197 mono_mb_emit_ldloc (mb, conv_arg);
5200 case MARSHAL_ACTION_CONV_RESULT:
5201 mono_mb_emit_stloc (mb, 0);
5203 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5205 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5206 mono_mb_emit_exception_marshal_directive (mb, msg);
5210 mono_mb_emit_ldloc (mb, 0);
5211 mono_mb_emit_icall (mb, conv_to_icall (conv));
5212 mono_mb_emit_stloc (mb, 3);
5214 /* free the string */
5215 mono_mb_emit_ldloc (mb, 0);
5216 if (conv == MONO_MARSHAL_CONV_BSTR_STR)
5217 mono_mb_emit_icall (mb, mono_free_bstr);
5219 mono_mb_emit_icall (mb, g_free);
5222 case MARSHAL_ACTION_MANAGED_CONV_IN:
5228 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5229 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5231 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5233 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
5234 mono_mb_emit_exception_marshal_directive (mb, msg);
5238 mono_mb_emit_ldarg (mb, argnum);
5239 mono_mb_emit_icall (mb, conv_to_icall (conv));
5240 mono_mb_emit_stloc (mb, conv_arg);
5243 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5244 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
5245 mono_mb_emit_stloc (mb, 3);
5249 g_assert_not_reached ();
5256 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
5257 MonoMarshalSpec *spec,
5258 int conv_arg, MonoType **conv_arg_type,
5259 MarshalAction action)
5261 MonoMethodBuilder *mb = m->mb;
5262 MonoClass *klass = t->data.klass;
5265 if (mono_class_from_mono_type (t) == mono_defaults.object_class &&
5266 (!spec || (spec && spec->native != MONO_NATIVE_STRUCT))) {
5267 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
5271 case MARSHAL_ACTION_CONV_IN:
5272 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5273 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5275 m->orig_conv_args [argnum] = 0;
5277 if (spec && spec->native == MONO_NATIVE_STRUCT)
5279 static MonoMethod *get_native_variant_for_object = NULL;
5281 if (!get_native_variant_for_object)
5282 get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
5284 *conv_arg_type = &mono_defaults.variant_class->byval_arg;
5286 local_variant = mono_mb_add_local (mb, &mono_defaults.variant_class->byval_arg);
5287 conv_arg = local_variant;
5288 mono_mb_emit_ldarg (mb, argnum);
5290 mono_mb_emit_byte(mb, CEE_LDIND_REF);
5291 mono_mb_emit_ldloc_addr (mb, local_variant);
5292 mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
5294 else if (klass->delegate) {
5295 g_assert (!t->byref);
5296 mono_mb_emit_ldarg (mb, argnum);
5297 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5298 mono_mb_emit_stloc (mb, conv_arg);
5299 } else if (klass == mono_defaults.stringbuilder_class) {
5300 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5301 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5303 g_assert (!t->byref);
5304 mono_mb_emit_ldarg (mb, argnum);
5307 mono_mb_emit_icall (mb, conv_to_icall (conv));
5309 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5310 MonoException *exc = mono_get_exception_not_implemented (msg);
5313 mono_raise_exception (exc);
5316 mono_mb_emit_stloc (mb, conv_arg);
5317 } else if (klass->blittable) {
5318 mono_mb_emit_ldarg (mb, argnum);
5319 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5320 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5321 mono_mb_emit_icon (mb, sizeof (MonoObject));
5322 mono_mb_emit_byte (mb, CEE_ADD);
5323 mono_mb_emit_stloc (mb, conv_arg);
5326 mono_mb_emit_byte (mb, CEE_LDNULL);
5327 mono_mb_emit_stloc (mb, conv_arg);
5330 /* we dont need any conversions for out parameters */
5331 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5334 mono_mb_emit_ldarg (mb, argnum);
5335 mono_mb_emit_byte (mb, CEE_LDIND_I);
5338 mono_mb_emit_ldarg (mb, argnum);
5339 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5340 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5343 /* store the address of the source into local variable 0 */
5344 mono_mb_emit_stloc (mb, 0);
5345 mono_mb_emit_ldloc (mb, 0);
5346 mono_mb_emit_byte (mb, CEE_BRFALSE);
5348 mono_mb_emit_i4 (mb, 0);
5350 /* allocate space for the native struct and store the address */
5351 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5352 mono_mb_emit_byte (mb, CEE_PREFIX1);
5353 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5354 mono_mb_emit_stloc (mb, conv_arg);
5357 /* Need to store the original buffer so we can free it later */
5358 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5359 mono_mb_emit_ldloc (mb, conv_arg);
5360 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5363 /* set the src_ptr */
5364 mono_mb_emit_ldloc (mb, 0);
5365 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5366 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5367 mono_mb_emit_icon (mb, sizeof (MonoObject));
5368 mono_mb_emit_byte (mb, CEE_ADD);
5369 mono_mb_emit_stloc (mb, 0);
5372 mono_mb_emit_ldloc (mb, conv_arg);
5373 mono_mb_emit_stloc (mb, 1);
5375 /* emit valuetype conversion code */
5376 emit_struct_conv (mb, klass, FALSE);
5378 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5382 case MARSHAL_ACTION_CONV_OUT:
5383 if (spec && spec->native == MONO_NATIVE_STRUCT) {
5384 static MonoMethod *variant_clear = NULL;
5385 static MonoMethod *get_object_for_native_variant = NULL;
5387 variant_clear = mono_class_get_method_from_name (mono_defaults.variant_class, "Clear", 0);
5388 if (!get_object_for_native_variant)
5389 get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
5391 mono_mb_emit_ldarg (mb, argnum);
5392 mono_mb_emit_ldloc_addr (mb, conv_arg);
5393 mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
5394 mono_mb_emit_byte (mb, CEE_STIND_REF);
5397 mono_mb_emit_ldloc_addr (mb, conv_arg);
5398 mono_mb_emit_managed_call (mb, variant_clear, NULL);
5401 if (klass == mono_defaults.stringbuilder_class) {
5403 MonoMarshalNative encoding;
5404 MonoMarshalConv conv;
5406 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5407 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5409 g_assert (!t->byref);
5410 g_assert (encoding != -1);
5412 mono_mb_emit_ldarg (mb, argnum);
5413 mono_mb_emit_ldloc (mb, conv_arg);
5415 mono_mb_emit_icall (mb, conv_to_icall (conv));
5418 mono_mb_emit_ldloc (mb, conv_arg);
5419 mono_mb_emit_icall (mb, mono_marshal_free);
5424 if (klass->delegate)
5427 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5428 /* allocate a new object */
5429 mono_mb_emit_ldarg (mb, argnum);
5430 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5431 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5432 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5433 mono_mb_emit_byte (mb, CEE_STIND_REF);
5436 /* dst = *argument */
5437 mono_mb_emit_ldarg (mb, argnum);
5440 mono_mb_emit_byte (mb, CEE_LDIND_I);
5442 mono_mb_emit_stloc (mb, 1);
5444 mono_mb_emit_ldloc (mb, 1);
5445 mono_mb_emit_byte (mb, CEE_BRFALSE);
5447 mono_mb_emit_i4 (mb, 0);
5449 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5450 mono_mb_emit_ldloc (mb, 1);
5451 mono_mb_emit_icon (mb, sizeof (MonoObject));
5452 mono_mb_emit_byte (mb, CEE_ADD);
5453 mono_mb_emit_stloc (mb, 1);
5455 /* src = tmp_locals [i] */
5456 mono_mb_emit_ldloc (mb, conv_arg);
5457 mono_mb_emit_stloc (mb, 0);
5459 /* emit valuetype conversion code */
5460 emit_struct_conv (mb, t->data.klass, TRUE);
5462 /* Free the structure returned by the native code */
5463 emit_struct_free (mb, klass, conv_arg);
5465 if (m->orig_conv_args [argnum]) {
5467 * If the native function changed the pointer, then free
5468 * the original structure plus the new pointer.
5470 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5471 mono_mb_emit_ldloc (mb, conv_arg);
5472 mono_mb_emit_byte (mb, CEE_BEQ);
5474 mono_mb_emit_i4 (mb, 0);
5476 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5477 g_assert (m->orig_conv_args [argnum]);
5479 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5482 mono_mb_emit_ldloc (mb, conv_arg);
5483 mono_mb_emit_icall (mb, g_free);
5485 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5489 /* Free the original structure passed to native code */
5490 emit_struct_free (mb, klass, conv_arg);
5492 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5495 case MARSHAL_ACTION_PUSH:
5497 mono_mb_emit_ldloc_addr (mb, conv_arg);
5499 mono_mb_emit_ldloc (mb, conv_arg);
5502 case MARSHAL_ACTION_CONV_RESULT:
5503 if (klass->delegate) {
5504 g_assert (!t->byref);
5505 mono_mb_emit_stloc (mb, 0);
5506 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5507 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5508 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5509 mono_mb_emit_ldloc (mb, 0);
5510 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5511 mono_mb_emit_stloc (mb, 3);
5514 mono_mb_emit_stloc (mb, 0);
5516 /* Make a copy since emit_conv modifies local 0 */
5517 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5518 mono_mb_emit_ldloc (mb, 0);
5519 mono_mb_emit_stloc (mb, loc);
5521 mono_mb_emit_byte (mb, CEE_LDNULL);
5522 mono_mb_emit_stloc (mb, 3);
5524 mono_mb_emit_ldloc (mb, 0);
5525 mono_mb_emit_byte (mb, CEE_BRFALSE);
5527 mono_mb_emit_i4 (mb, 0);
5529 /* allocate result object */
5531 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5532 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5533 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5534 mono_mb_emit_stloc (mb, 3);
5538 mono_mb_emit_ldloc (mb, 3);
5539 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5540 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5541 mono_mb_emit_icon (mb, sizeof (MonoObject));
5542 mono_mb_emit_byte (mb, CEE_ADD);
5543 mono_mb_emit_stloc (mb, 1);
5545 /* emit conversion code */
5546 emit_struct_conv (mb, klass, TRUE);
5548 emit_struct_free (mb, klass, loc);
5550 /* Free the pointer allocated by unmanaged code */
5551 mono_mb_emit_ldloc (mb, loc);
5552 mono_mb_emit_icall (mb, g_free);
5553 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5557 case MARSHAL_ACTION_MANAGED_CONV_IN:
5558 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5560 if (klass->delegate) {
5561 g_assert (!t->byref);
5562 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5563 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5564 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5565 mono_mb_emit_ldarg (mb, argnum);
5566 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5567 mono_mb_emit_stloc (mb, conv_arg);
5571 /* The class can not have an automatic layout */
5572 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5573 mono_mb_emit_auto_layout_exception (mb, klass);
5577 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5578 mono_mb_emit_byte (mb, CEE_LDNULL);
5579 mono_mb_emit_stloc (mb, conv_arg);
5584 mono_mb_emit_ldarg (mb, argnum);
5588 /* Check for NULL and raise an exception */
5589 mono_mb_emit_byte (mb, CEE_BRTRUE);
5591 mono_mb_emit_i4 (mb, 0);
5593 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5595 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5596 mono_mb_emit_ldarg (mb, argnum);
5597 mono_mb_emit_byte (mb, CEE_LDIND_I);
5600 mono_mb_emit_stloc (mb, 0);
5602 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5603 mono_mb_emit_stloc (mb, conv_arg);
5605 mono_mb_emit_ldloc (mb, 0);
5606 mono_mb_emit_byte (mb, CEE_BRFALSE);
5608 mono_mb_emit_i4 (mb, 0);
5610 /* Create and set dst */
5611 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5612 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5613 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5614 mono_mb_emit_stloc (mb, conv_arg);
5615 mono_mb_emit_ldloc (mb, conv_arg);
5616 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5617 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5618 mono_mb_emit_icon (mb, sizeof (MonoObject));
5619 mono_mb_emit_byte (mb, CEE_ADD);
5620 mono_mb_emit_stloc (mb, 1);
5622 /* emit valuetype conversion code */
5623 emit_struct_conv (mb, klass, TRUE);
5625 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5628 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5629 /* Check for null */
5630 mono_mb_emit_ldloc (mb, conv_arg);
5631 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5632 mono_mb_emit_ldarg (mb, argnum);
5633 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5634 mono_mb_emit_byte (mb, CEE_STIND_REF);
5635 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5637 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5640 mono_mb_emit_ldloc (mb, conv_arg);
5641 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5642 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5643 mono_mb_emit_icon (mb, sizeof (MonoObject));
5644 mono_mb_emit_byte (mb, CEE_ADD);
5645 mono_mb_emit_stloc (mb, 0);
5647 /* Allocate and set dest */
5648 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5649 mono_mb_emit_byte (mb, CEE_CONV_I);
5650 mono_mb_emit_icall (mb, mono_marshal_alloc);
5651 mono_mb_emit_stloc (mb, 1);
5653 /* Update argument pointer */
5654 mono_mb_emit_ldarg (mb, argnum);
5655 mono_mb_emit_ldloc (mb, 1);
5656 mono_mb_emit_byte (mb, CEE_STIND_I);
5658 /* emit valuetype conversion code */
5659 emit_struct_conv (mb, klass, FALSE);
5661 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5664 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5665 if (klass->delegate) {
5666 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5667 mono_mb_emit_stloc (mb, 3);
5671 /* The class can not have an automatic layout */
5672 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5673 mono_mb_emit_auto_layout_exception (mb, klass);
5677 mono_mb_emit_stloc (mb, 0);
5678 /* Check for null */
5679 mono_mb_emit_ldloc (mb, 0);
5680 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5681 mono_mb_emit_byte (mb, CEE_LDNULL);
5682 mono_mb_emit_stloc (mb, 3);
5683 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5685 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5688 mono_mb_emit_ldloc (mb, 0);
5689 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5690 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5691 mono_mb_emit_icon (mb, sizeof (MonoObject));
5692 mono_mb_emit_byte (mb, CEE_ADD);
5693 mono_mb_emit_stloc (mb, 0);
5695 /* Allocate and set dest */
5696 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5697 mono_mb_emit_byte (mb, CEE_CONV_I);
5698 mono_mb_emit_icall (mb, mono_marshal_alloc);
5699 mono_mb_emit_byte (mb, CEE_DUP);
5700 mono_mb_emit_stloc (mb, 1);
5701 mono_mb_emit_stloc (mb, 3);
5703 emit_struct_conv (mb, klass, FALSE);
5705 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5709 g_assert_not_reached ();
5716 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5717 MonoMarshalSpec *spec,
5718 int conv_arg, MonoType **conv_arg_type,
5719 MarshalAction action)
5721 MonoMethodBuilder *mb = m->mb;
5722 MonoClass *klass = mono_class_from_mono_type (t);
5723 gboolean need_convert, need_free;
5724 MonoMarshalNative encoding;
5726 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5729 case MARSHAL_ACTION_CONV_IN:
5730 *conv_arg_type = &mono_defaults.object_class->byval_arg;
5731 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5733 if (klass->element_class->blittable) {
5734 mono_mb_emit_ldarg (mb, argnum);
5736 mono_mb_emit_byte (mb, CEE_LDIND_I);
5737 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5738 mono_mb_emit_stloc (mb, conv_arg);
5741 guint32 label1, label2, label3;
5742 int index_var, src_var, dest_ptr, esize;
5743 MonoMarshalConv conv;
5744 gboolean is_string = FALSE;
5746 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5748 eklass = klass->element_class;
5750 if (eklass == mono_defaults.string_class) {
5752 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5754 else if (eklass == mono_defaults.stringbuilder_class) {
5756 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5761 src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5762 mono_mb_emit_ldarg (mb, argnum);
5764 mono_mb_emit_byte (mb, CEE_LDIND_I);
5765 mono_mb_emit_stloc (mb, src_var);
5768 mono_mb_emit_ldloc (mb, src_var);
5769 mono_mb_emit_stloc (mb, conv_arg);
5770 mono_mb_emit_ldloc (mb, src_var);
5771 mono_mb_emit_byte (mb, CEE_BRFALSE);
5773 mono_mb_emit_i4 (mb, 0);
5777 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5778 MonoException *exc = mono_get_exception_not_implemented (msg);
5781 mono_raise_exception (exc);
5786 esize = sizeof (gpointer);
5788 esize = mono_class_native_size (eklass, NULL);
5790 /* allocate space for the native struct and store the address */
5791 mono_mb_emit_icon (mb, esize);
5792 mono_mb_emit_ldloc (mb, src_var);
5793 mono_mb_emit_byte (mb, CEE_LDLEN);
5795 if (eklass == mono_defaults.string_class) {
5796 /* Make the array bigger for the terminating null */
5797 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5798 mono_mb_emit_byte (mb, CEE_ADD);
5800 mono_mb_emit_byte (mb, CEE_MUL);
5801 mono_mb_emit_byte (mb, CEE_PREFIX1);
5802 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5803 mono_mb_emit_stloc (mb, conv_arg);
5805 mono_mb_emit_ldloc (mb, conv_arg);
5806 mono_mb_emit_stloc (mb, dest_ptr);
5808 /* Emit marshalling loop */
5809 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5810 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5811 mono_mb_emit_stloc (mb, index_var);
5813 mono_mb_emit_ldloc (mb, index_var);
5814 mono_mb_emit_ldloc (mb, src_var);
5815 mono_mb_emit_byte (mb, CEE_LDLEN);
5816 mono_mb_emit_byte (mb, CEE_BGE);
5818 mono_mb_emit_i4 (mb, 0);
5820 /* Emit marshalling code */
5823 mono_mb_emit_ldloc (mb, dest_ptr);
5824 mono_mb_emit_ldloc (mb, src_var);
5825 mono_mb_emit_ldloc (mb, index_var);
5826 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5827 mono_mb_emit_icall (mb, conv_to_icall (conv));
5828 mono_mb_emit_byte (mb, CEE_STIND_I);
5830 /* set the src_ptr */
5831 mono_mb_emit_ldloc (mb, src_var);
5832 mono_mb_emit_ldloc (mb, index_var);
5833 mono_mb_emit_byte (mb, CEE_LDELEMA);
5834 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5835 mono_mb_emit_stloc (mb, 0);
5838 mono_mb_emit_ldloc (mb, dest_ptr);
5839 mono_mb_emit_stloc (mb, 1);
5841 /* emit valuetype conversion code */
5842 emit_struct_conv (mb, eklass, FALSE);
5845 mono_mb_emit_add_to_local (mb, index_var, 1);
5846 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5848 mono_mb_emit_byte (mb, CEE_BR);
5849 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5851 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5853 if (eklass == mono_defaults.string_class) {
5854 /* Null terminate */
5855 mono_mb_emit_ldloc (mb, dest_ptr);
5856 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5857 mono_mb_emit_byte (mb, CEE_STIND_REF);
5860 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5865 case MARSHAL_ACTION_CONV_OUT:
5866 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
5867 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);
5868 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5871 if (need_convert || need_free) {
5872 /* FIXME: Optimize blittable case */
5874 guint32 label1, label2, label3;
5875 int index_var, src_ptr, loc, esize;
5877 eklass = klass->element_class;
5878 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5879 esize = sizeof (gpointer);
5881 esize = mono_class_native_size (eklass, NULL);
5882 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5883 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5886 mono_mb_emit_ldarg (mb, argnum);
5888 mono_mb_emit_byte (mb, CEE_LDIND_I);
5889 mono_mb_emit_byte (mb, CEE_BRFALSE);
5891 mono_mb_emit_i4 (mb, 0);
5893 mono_mb_emit_ldloc (mb, conv_arg);
5894 mono_mb_emit_stloc (mb, src_ptr);
5896 /* Emit marshalling loop */
5897 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5898 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5899 mono_mb_emit_stloc (mb, index_var);
5901 mono_mb_emit_ldloc (mb, index_var);
5902 mono_mb_emit_ldarg (mb, argnum);
5904 mono_mb_emit_byte (mb, CEE_LDIND_REF);
5905 mono_mb_emit_byte (mb, CEE_LDLEN);
5906 mono_mb_emit_byte (mb, CEE_BGE);
5908 mono_mb_emit_i4 (mb, 0);
5910 /* Emit marshalling code */
5912 if (eklass == mono_defaults.stringbuilder_class) {
5913 gboolean need_free2;
5914 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5916 g_assert (conv != -1);
5919 mono_mb_emit_ldarg (mb, argnum);
5921 mono_mb_emit_byte (mb, CEE_LDIND_I);
5922 mono_mb_emit_ldloc (mb, index_var);
5923 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5926 mono_mb_emit_ldloc (mb, src_ptr);
5927 mono_mb_emit_byte (mb, CEE_LDIND_I);
5929 mono_mb_emit_icall (mb, conv_to_icall (conv));
5933 mono_mb_emit_ldloc (mb, src_ptr);
5934 mono_mb_emit_byte (mb, CEE_LDIND_I);
5936 mono_mb_emit_icall (mb, mono_marshal_free);
5939 else if (eklass == mono_defaults.string_class) {
5942 mono_mb_emit_ldloc (mb, src_ptr);
5943 mono_mb_emit_byte (mb, CEE_LDIND_I);
5945 mono_mb_emit_icall (mb, mono_marshal_free);
5950 /* set the src_ptr */
5951 mono_mb_emit_ldloc (mb, src_ptr);
5952 mono_mb_emit_stloc (mb, 0);
5955 mono_mb_emit_ldarg (mb, argnum);
5957 mono_mb_emit_byte (mb, CEE_LDIND_I);
5958 mono_mb_emit_ldloc (mb, index_var);
5959 mono_mb_emit_byte (mb, CEE_LDELEMA);
5960 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5961 mono_mb_emit_stloc (mb, 1);
5963 /* emit valuetype conversion code */
5964 emit_struct_conv (mb, eklass, TRUE);
5968 mono_mb_emit_ldloc (mb, src_ptr);
5969 mono_mb_emit_stloc (mb, loc);
5970 mono_mb_emit_ldloc (mb, loc);
5972 emit_struct_free (mb, eklass, loc);
5976 mono_mb_emit_add_to_local (mb, index_var, 1);
5977 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5979 mono_mb_emit_byte (mb, CEE_BR);
5980 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5982 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5983 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5987 case MARSHAL_ACTION_PUSH:
5989 mono_mb_emit_ldloc_addr (mb, conv_arg);
5991 mono_mb_emit_ldloc (mb, conv_arg);
5994 case MARSHAL_ACTION_CONV_RESULT:
5995 /* fixme: we need conversions here */
5996 mono_mb_emit_stloc (mb, 3);
5999 case MARSHAL_ACTION_MANAGED_CONV_IN: {
6001 guint32 label1, label2, label3;
6002 int index_var, src_ptr, loc, esize, param_num, num_elem;
6003 MonoMarshalConv conv;
6004 gboolean is_string = FALSE;
6006 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6007 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6010 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
6011 mono_mb_emit_exception_marshal_directive (mb, msg);
6014 if (spec->native != MONO_NATIVE_LPARRAY) {
6015 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
6016 mono_mb_emit_exception_marshal_directive (mb, msg);
6020 /* FIXME: t is from the method which is wrapped, not the delegate type */
6021 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
6023 param_num = spec->data.array_data.param_num;
6024 num_elem = spec->data.array_data.num_elem;
6025 if (spec->data.array_data.elem_mult == 0)
6026 /* param_num is not specified */
6029 if (param_num == -1) {
6030 if (num_elem <= 0) {
6031 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
6032 mono_mb_emit_exception_marshal_directive (mb, msg);
6037 /* FIXME: Optimize blittable case */
6039 eklass = klass->element_class;
6040 if (eklass == mono_defaults.string_class) {
6042 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
6044 else if (eklass == mono_defaults.stringbuilder_class) {
6046 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
6051 mono_marshal_load_type_info (eklass);
6054 esize = sizeof (gpointer);
6056 esize = mono_class_native_size (eklass, NULL);
6057 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6058 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6060 mono_mb_emit_byte (mb, CEE_LDNULL);
6061 mono_mb_emit_stloc (mb, conv_arg);
6063 /* Check param index */
6064 if (param_num != -1) {
6065 if (param_num >= m->sig->param_count) {
6066 char *msg = g_strdup ("Array size control parameter index is out of range.");
6067 mono_mb_emit_exception_marshal_directive (mb, msg);
6070 switch (m->sig->params [param_num]->type) {
6083 char *msg = g_strdup ("Array size control parameter must be an integral type.");
6084 mono_mb_emit_exception_marshal_directive (mb, msg);
6091 mono_mb_emit_ldarg (mb, argnum);
6092 mono_mb_emit_byte (mb, CEE_BRFALSE);
6094 mono_mb_emit_i4 (mb, 0);
6096 mono_mb_emit_ldarg (mb, argnum);
6097 mono_mb_emit_stloc (mb, src_ptr);
6099 /* Create managed array */
6101 * The LPArray marshalling spec says that sometimes param_num starts
6102 * from 1, sometimes it starts from 0. But MS seems to allways start
6106 if (param_num == -1)
6107 mono_mb_emit_icon (mb, num_elem);
6109 /* FIXME: Add the two together */
6110 mono_mb_emit_ldarg (mb, param_num);
6112 mono_mb_emit_icon (mb, num_elem);
6113 mono_mb_emit_byte (mb, CEE_ADD);
6117 mono_mb_emit_byte (mb, CEE_NEWARR);
6118 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
6119 mono_mb_emit_stloc (mb, conv_arg);
6121 if (eklass->blittable) {
6122 mono_mb_emit_ldloc (mb, conv_arg);
6123 mono_mb_emit_byte (mb, CEE_CONV_I);
6124 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6125 mono_mb_emit_byte (mb, CEE_ADD);
6126 mono_mb_emit_ldarg (mb, argnum);
6127 mono_mb_emit_ldloc (mb, conv_arg);
6128 mono_mb_emit_byte (mb, CEE_LDLEN);
6129 mono_mb_emit_icon (mb, esize);
6130 mono_mb_emit_byte (mb, CEE_MUL);
6131 mono_mb_emit_byte (mb, CEE_PREFIX1);
6132 mono_mb_emit_byte (mb, CEE_CPBLK);
6136 /* Emit marshalling loop */
6137 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6138 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6139 mono_mb_emit_stloc (mb, index_var);
6141 mono_mb_emit_ldloc (mb, index_var);
6142 mono_mb_emit_ldloc (mb, conv_arg);
6143 mono_mb_emit_byte (mb, CEE_LDLEN);
6144 mono_mb_emit_byte (mb, CEE_BGE);
6146 mono_mb_emit_i4 (mb, 0);
6148 /* Emit marshalling code */
6150 g_assert (conv != -1);
6152 mono_mb_emit_ldloc (mb, conv_arg);
6153 mono_mb_emit_ldloc (mb, index_var);
6155 mono_mb_emit_ldloc (mb, src_ptr);
6156 mono_mb_emit_byte (mb, CEE_LDIND_I);
6158 mono_mb_emit_icall (mb, conv_to_icall (conv));
6159 mono_mb_emit_byte (mb, CEE_STELEM_REF);
6162 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6163 mono_mb_emit_exception_marshal_directive (mb, msg);
6167 mono_mb_emit_add_to_local (mb, index_var, 1);
6168 mono_mb_emit_add_to_local (mb, src_ptr, esize);
6170 mono_mb_emit_byte (mb, CEE_BR);
6171 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6173 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6174 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6178 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
6180 guint32 label1, label2, label3;
6181 int index_var, dest_ptr, loc, esize, param_num, num_elem;
6182 MonoMarshalConv conv;
6183 gboolean is_string = FALSE;
6185 /* These are already checked in CONV_IN */
6186 g_assert (!t->byref);
6187 g_assert (spec->native == MONO_NATIVE_LPARRAY);
6188 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
6190 param_num = spec->data.array_data.param_num;
6191 num_elem = spec->data.array_data.num_elem;
6193 if (spec->data.array_data.elem_mult == 0)
6194 /* param_num is not specified */
6197 if (param_num == -1) {
6198 if (num_elem <= 0) {
6199 g_assert_not_reached ();
6203 /* FIXME: Optimize blittable case */
6205 eklass = klass->element_class;
6206 if (eklass == mono_defaults.string_class) {
6208 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6210 else if (eklass == mono_defaults.stringbuilder_class) {
6212 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
6217 mono_marshal_load_type_info (eklass);
6220 esize = sizeof (gpointer);
6222 esize = mono_class_native_size (eklass, NULL);
6224 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6225 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6228 mono_mb_emit_ldloc (mb, conv_arg);
6229 mono_mb_emit_byte (mb, CEE_BRFALSE);
6231 mono_mb_emit_i4 (mb, 0);
6233 mono_mb_emit_ldarg (mb, argnum);
6234 mono_mb_emit_stloc (mb, dest_ptr);
6236 if (eklass->blittable) {
6238 mono_mb_emit_ldarg (mb, argnum);
6240 mono_mb_emit_ldloc (mb, conv_arg);
6241 mono_mb_emit_byte (mb, CEE_CONV_I);
6242 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
6243 mono_mb_emit_byte (mb, CEE_ADD);
6245 mono_mb_emit_ldloc (mb, conv_arg);
6246 mono_mb_emit_byte (mb, CEE_LDLEN);
6247 mono_mb_emit_icon (mb, esize);
6248 mono_mb_emit_byte (mb, CEE_MUL);
6249 mono_mb_emit_byte (mb, CEE_PREFIX1);
6250 mono_mb_emit_byte (mb, CEE_CPBLK);
6254 /* Emit marshalling loop */
6255 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6256 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6257 mono_mb_emit_stloc (mb, index_var);
6259 mono_mb_emit_ldloc (mb, index_var);
6260 mono_mb_emit_ldloc (mb, conv_arg);
6261 mono_mb_emit_byte (mb, CEE_LDLEN);
6262 mono_mb_emit_byte (mb, CEE_BGE);
6264 mono_mb_emit_i4 (mb, 0);
6266 /* Emit marshalling code */
6268 g_assert (conv != -1);
6271 mono_mb_emit_ldloc (mb, dest_ptr);
6274 mono_mb_emit_ldloc (mb, conv_arg);
6275 mono_mb_emit_ldloc (mb, index_var);
6277 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6279 mono_mb_emit_icall (mb, conv_to_icall (conv));
6280 mono_mb_emit_byte (mb, CEE_STIND_I);
6283 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
6284 mono_mb_emit_exception_marshal_directive (mb, msg);
6288 mono_mb_emit_add_to_local (mb, index_var, 1);
6289 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
6291 mono_mb_emit_byte (mb, CEE_BR);
6292 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6294 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6295 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6299 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
6301 guint32 label1, label2, label3;
6302 int index_var, src, dest, esize;
6303 MonoMarshalConv conv = -1;
6304 gboolean is_string = FALSE;
6306 g_assert (!t->byref);
6308 eklass = klass->element_class;
6310 mono_marshal_load_type_info (eklass);
6312 if (eklass == mono_defaults.string_class) {
6314 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
6317 g_assert_not_reached ();
6321 esize = sizeof (gpointer);
6323 esize = mono_class_native_size (eklass, NULL);
6325 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6326 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6328 mono_mb_emit_stloc (mb, src);
6329 mono_mb_emit_ldloc (mb, src);
6330 mono_mb_emit_stloc (mb, 3);
6332 /* Check for null */
6333 mono_mb_emit_ldloc (mb, src);
6334 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6336 /* Allocate native array */
6337 mono_mb_emit_icon (mb, esize);
6338 mono_mb_emit_ldloc (mb, src);
6339 mono_mb_emit_byte (mb, CEE_LDLEN);
6341 if (eklass == mono_defaults.string_class) {
6342 /* Make the array bigger for the terminating null */
6343 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
6344 mono_mb_emit_byte (mb, CEE_ADD);
6346 mono_mb_emit_byte (mb, CEE_MUL);
6347 mono_mb_emit_icall (mb, mono_marshal_alloc);
6348 mono_mb_emit_stloc (mb, dest);
6349 mono_mb_emit_ldloc (mb, dest);
6350 mono_mb_emit_stloc (mb, 3);
6352 /* Emit marshalling loop */
6353 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6354 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
6355 mono_mb_emit_stloc (mb, index_var);
6357 mono_mb_emit_ldloc (mb, index_var);
6358 mono_mb_emit_ldloc (mb, src);
6359 mono_mb_emit_byte (mb, CEE_LDLEN);
6360 label3 = mono_mb_emit_branch (mb, CEE_BGE);
6362 /* Emit marshalling code */
6364 g_assert (conv != -1);
6367 mono_mb_emit_ldloc (mb, dest);
6370 mono_mb_emit_ldloc (mb, src);
6371 mono_mb_emit_ldloc (mb, index_var);
6373 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
6375 mono_mb_emit_icall (mb, conv_to_icall (conv));
6376 mono_mb_emit_byte (mb, CEE_STIND_I);
6379 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
6380 mono_mb_emit_exception_marshal_directive (mb, msg);
6384 mono_mb_emit_add_to_local (mb, index_var, 1);
6385 mono_mb_emit_add_to_local (mb, dest, esize);
6387 mono_mb_emit_byte (mb, CEE_BR);
6388 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
6390 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
6391 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
6395 g_assert_not_reached ();
6402 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
6403 MonoMarshalSpec *spec,
6404 int conv_arg, MonoType **conv_arg_type,
6405 MarshalAction action)
6407 MonoMethodBuilder *mb = m->mb;
6410 case MARSHAL_ACTION_CONV_IN: {
6411 MonoType *local_type;
6412 int variant_bool = 0;
6416 local_type = &mono_defaults.int32_class->byval_arg;
6418 switch (spec->native) {
6419 case MONO_NATIVE_I1:
6420 local_type = &mono_defaults.byte_class->byval_arg;
6422 case MONO_NATIVE_VARIANTBOOL:
6423 local_type = &mono_defaults.int16_class->byval_arg;
6427 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
6428 local_type = &mono_defaults.int32_class->byval_arg;
6432 *conv_arg_type = &mono_defaults.int_class->byval_arg;
6433 conv_arg = mono_mb_add_local (mb, local_type);
6434 mono_mb_emit_ldarg (mb, argnum);
6435 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6437 mono_mb_emit_byte (mb, CEE_NEG);
6438 mono_mb_emit_stloc (mb, conv_arg);
6442 case MARSHAL_ACTION_CONV_OUT:
6445 mono_mb_emit_ldarg (mb, argnum);
6446 mono_mb_emit_ldloc (mb, conv_arg);
6447 if (spec != NULL && spec->native == MONO_NATIVE_VARIANTBOOL)
6448 mono_mb_emit_byte (mb, CEE_NEG);
6449 mono_mb_emit_byte (mb, CEE_STIND_I1);
6452 case MARSHAL_ACTION_PUSH:
6454 mono_mb_emit_ldloc_addr (mb, conv_arg);
6456 mono_mb_emit_ldarg (mb, argnum);
6459 case MARSHAL_ACTION_CONV_RESULT:
6460 /* maybe we need to make sure that it fits within 8 bits */
6461 mono_mb_emit_stloc (mb, 3);
6465 g_assert_not_reached ();
6472 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6473 MonoMarshalSpec *spec, int conv_arg,
6474 MonoType **conv_arg_type, MarshalAction action)
6476 MonoMethodBuilder *mb = m->mb;
6479 case MARSHAL_ACTION_CONV_IN:
6480 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
6481 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6482 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6486 case MARSHAL_ACTION_PUSH:
6487 mono_mb_emit_ldarg (mb, argnum);
6490 case MARSHAL_ACTION_CONV_RESULT:
6491 /* no conversions necessary */
6492 mono_mb_emit_stloc (mb, 3);
6503 emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
6504 MonoMarshalSpec *spec, int conv_arg,
6505 MonoType **conv_arg_type, MarshalAction action)
6507 MonoMethodBuilder *mb = m->mb;
6510 case MARSHAL_ACTION_PUSH:
6511 /* fixme: dont know how to marshal that. We cant simply
6512 * convert it to a one byte UTF8 character, because an
6513 * unicode character may need more that one byte in UTF8 */
6514 mono_mb_emit_ldarg (mb, argnum);
6517 case MARSHAL_ACTION_CONV_RESULT:
6518 /* fixme: we need conversions here */
6519 mono_mb_emit_stloc (mb, 3);
6530 emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
6531 MonoMarshalSpec *spec, int conv_arg,
6532 MonoType **conv_arg_type, MarshalAction action)
6534 MonoMethodBuilder *mb = m->mb;
6537 case MARSHAL_ACTION_PUSH:
6538 mono_mb_emit_ldarg (mb, argnum);
6541 case MARSHAL_ACTION_CONV_RESULT:
6542 /* no conversions necessary */
6543 mono_mb_emit_stloc (mb, 3);
6554 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
6555 MonoMarshalSpec *spec, int conv_arg,
6556 MonoType **conv_arg_type, MarshalAction action)
6558 /* Ensure that we have marshalling info for this param */
6559 mono_marshal_load_type_info (mono_class_from_mono_type (t));
6561 if (spec && spec->native == MONO_NATIVE_CUSTOM)
6562 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6564 if (spec && spec->native == MONO_NATIVE_ASANY)
6565 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6568 case MONO_TYPE_VALUETYPE:
6569 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6570 case MONO_TYPE_STRING:
6571 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6572 case MONO_TYPE_CLASS:
6573 case MONO_TYPE_OBJECT:
6574 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6575 case MONO_TYPE_ARRAY:
6576 case MONO_TYPE_SZARRAY:
6577 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6578 case MONO_TYPE_BOOLEAN:
6579 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6581 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6582 case MONO_TYPE_CHAR:
6583 return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6596 case MONO_TYPE_FNPTR:
6597 return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6604 * mono_marshal_emit_native_wrapper:
6605 * @sig: The signature of the native function
6606 * @piinfo: Marshalling information
6607 * @mspecs: Marshalling information
6608 * @func: the native function to call
6610 * generates IL code for the pinvoke wrapper, the generated code calls @func.
6613 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6615 EmitMarshalContext m;
6616 MonoMethodSignature *csig;
6618 int i, argnum, *tmp_locals;
6620 static MonoMethodSignature *get_last_error_sig = NULL;
6625 /* we copy the signature, so that we can set pinvoke to 0 */
6626 csig = signature_dup (mb->method->klass->image, sig);
6630 /* we allocate local for use with emit_struct_conv() */
6631 /* allocate local 0 (pointer) src_ptr */
6632 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6633 /* allocate local 1 (pointer) dst_ptr */
6634 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6635 /* allocate local 2 (boolean) delete_old */
6636 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6638 /* delete_old = FALSE */
6639 mono_mb_emit_icon (mb, 0);
6640 mono_mb_emit_stloc (mb, 2);
6642 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6643 /* allocate local 3 to store the return value */
6644 mono_mb_add_local (mb, sig->ret);
6647 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6648 /* Return type custom marshaling */
6650 * Since we can't determine the return type of the unmanaged function,
6651 * we assume it returns a pointer, and pass that pointer to
6652 * MarshalNativeToManaged.
6654 csig->ret = &mono_defaults.int_class->byval_arg;
6657 /* we first do all conversions */
6658 tmp_locals = alloca (sizeof (int) * sig->param_count);
6659 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
6661 for (i = 0; i < sig->param_count; i ++) {
6662 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
6665 /* push all arguments */
6668 mono_mb_emit_byte (mb, CEE_LDARG_0);
6670 for (i = 0; i < sig->param_count; i++) {
6671 emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
6674 /* call the native method */
6675 mono_mb_emit_native_call (mb, csig, func);
6677 /* Set LastError if needed */
6678 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
6679 if (!get_last_error_sig) {
6680 get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
6681 get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
6682 get_last_error_sig->pinvoke = 1;
6685 #ifdef PLATFORM_WIN32
6687 * Have to call GetLastError () early and without a wrapper, since various runtime components could
6688 * clobber its value.
6690 mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
6691 mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
6693 mono_mb_emit_icall (mb, mono_marshal_set_last_error);
6697 /* convert the result */
6698 if (!sig->ret->byref) {
6699 MonoMarshalSpec *spec = mspecs [0];
6700 type = sig->ret->type;
6702 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6703 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6708 case MONO_TYPE_VOID:
6710 case MONO_TYPE_VALUETYPE:
6711 klass = sig->ret->data.klass;
6712 if (klass->enumtype) {
6713 type = sig->ret->data.klass->enum_basetype->type;
6716 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6730 case MONO_TYPE_FNPTR:
6731 case MONO_TYPE_STRING:
6732 case MONO_TYPE_CLASS:
6733 case MONO_TYPE_OBJECT:
6734 case MONO_TYPE_BOOLEAN:
6735 case MONO_TYPE_ARRAY:
6736 case MONO_TYPE_SZARRAY:
6737 case MONO_TYPE_CHAR:
6739 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6741 case MONO_TYPE_TYPEDBYREF:
6743 g_warning ("return type 0x%02x unknown", sig->ret->type);
6744 g_assert_not_reached ();
6748 mono_mb_emit_stloc (mb, 3);
6752 * Need to call this after converting the result since MONO_VTADDR needs
6753 * to be adjacent to the call instruction.
6755 emit_thread_interrupt_checkpoint (mb);
6757 /* we need to convert byref arguments back and free string arrays */
6758 for (i = 0; i < sig->param_count; i++) {
6759 MonoType *t = sig->params [i];
6760 MonoMarshalSpec *spec = mspecs [i + 1];
6762 argnum = i + sig->hasthis;
6764 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
6765 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6770 case MONO_TYPE_STRING:
6771 case MONO_TYPE_VALUETYPE:
6772 case MONO_TYPE_CLASS:
6773 case MONO_TYPE_OBJECT:
6774 case MONO_TYPE_SZARRAY:
6775 case MONO_TYPE_BOOLEAN:
6776 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6781 if (!MONO_TYPE_IS_VOID(sig->ret))
6782 mono_mb_emit_ldloc (mb, 3);
6784 mono_mb_emit_byte (mb, CEE_RET);
6788 * mono_marshal_get_native_wrapper:
6789 * @method: The MonoMethod to wrap.
6791 * generates IL code for the pinvoke wrapper (the generated method
6792 * calls the unmanaged code in piinfo->addr)
6795 mono_marshal_get_native_wrapper (MonoMethod *method)
6797 MonoMethodSignature *sig, *csig;
6798 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
6799 MonoMethodBuilder *mb;
6800 MonoMarshalSpec **mspecs;
6803 gboolean pinvoke = FALSE;
6805 const char *exc_class = "MissingMethodException";
6806 const char *exc_arg = NULL;
6808 g_assert (method != NULL);
6809 g_assert (mono_method_signature (method)->pinvoke);
6811 cache = method->klass->image->native_wrapper_cache;
6812 if ((res = mono_marshal_find_in_cache (cache, method)))
6815 sig = mono_method_signature (method);
6817 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6818 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
6821 if (!piinfo->addr) {
6823 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
6825 piinfo->addr = mono_lookup_internal_call (method);
6828 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6830 mb->method->save_lmf = 1;
6832 if (!piinfo->addr) {
6833 mono_mb_emit_exception (mb, exc_class, exc_arg);
6834 csig = signature_dup (method->klass->image, sig);
6836 res = mono_mb_create_and_cache (cache, method,
6837 mb, csig, csig->param_count + 16);
6842 /* internal calls: we simply push all arguments and call the method (no conversions) */
6843 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
6845 /* hack - string constructors returns a value */
6846 if (method->string_ctor) {
6847 csig = signature_dup (method->klass->image, sig);
6848 csig->ret = &mono_defaults.string_class->byval_arg;
6853 mono_mb_emit_byte (mb, CEE_LDARG_0);
6855 for (i = 0; i < sig->param_count; i++)
6856 mono_mb_emit_ldarg (mb, i + sig->hasthis);
6858 g_assert (piinfo->addr);
6859 mono_mb_emit_native_call (mb, csig, piinfo->addr);
6860 emit_thread_interrupt_checkpoint (mb);
6861 mono_mb_emit_byte (mb, CEE_RET);
6863 csig = signature_dup (method->klass->image, csig);
6865 res = mono_mb_create_and_cache (cache, method,
6866 mb, csig, csig->param_count + 16);
6873 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
6874 mono_method_get_marshal_info (method, mspecs);
6876 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
6878 csig = signature_dup (method->klass->image, sig);
6880 res = mono_mb_create_and_cache (cache, method,
6881 mb, csig, csig->param_count + 16);
6884 for (i = sig->param_count; i >= 0; i--)
6886 mono_metadata_free_marshal_spec (mspecs [i]);
6889 /* 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)); */
6895 * mono_marshal_get_native_func_wrapper:
6896 * @sig: The signature of the function
6897 * @func: The native function to wrap
6899 * Returns a wrapper method around native functions, similar to the pinvoke
6903 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
6904 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6906 MonoMethodSignature *csig;
6908 MonoMethodBuilder *mb;
6913 cache = mono_defaults.corlib->native_wrapper_cache;
6914 if ((res = mono_marshal_find_in_cache (cache, func)))
6917 name = g_strdup_printf ("wrapper_native_%p", func);
6918 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6919 mb->method->save_lmf = 1;
6921 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
6923 csig = signature_dup (mb->method->klass->image, sig);
6925 res = mono_mb_create_and_cache (cache, func,
6926 mb, csig, csig->param_count + 16);
6929 /* 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)); */
6935 * generates IL code to call managed methods from unmanaged code
6938 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
6940 static MonoClass *UnmanagedFunctionPointerAttribute;
6941 MonoMethodSignature *sig, *csig, *invoke_sig;
6942 MonoMethodBuilder *mb;
6943 MonoMethod *res, *invoke;
6944 MonoMarshalSpec **mspecs;
6945 MonoMethodPInvoke piinfo;
6948 EmitMarshalContext m;
6950 g_assert (method != NULL);
6951 g_assert (!mono_method_signature (method)->pinvoke);
6954 * FIXME: Should cache the method+delegate type pair, since the same method
6955 * could be called with different delegates, thus different marshalling
6958 cache = method->klass->image->managed_wrapper_cache;
6959 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
6962 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
6963 invoke_sig = mono_method_signature (invoke);
6965 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
6966 mono_method_get_marshal_info (invoke, mspecs);
6968 sig = mono_method_signature (method);
6970 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
6972 /* allocate local 0 (pointer) src_ptr */
6973 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6974 /* allocate local 1 (pointer) dst_ptr */
6975 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6976 /* allocate local 2 (boolean) delete_old */
6977 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6979 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6980 /* allocate local 3 to store the return value */
6981 mono_mb_add_local (mb, sig->ret);
6984 mono_mb_emit_icon (mb, 0);
6985 mono_mb_emit_stloc (mb, 2);
6987 /* we copy the signature, so that we can modify it */
6988 csig = signature_dup (method->klass->image, sig);
6998 #ifdef PLATFORM_WIN32
7000 * Under windows, delegates passed to native code must use the STDCALL
7001 * calling convention.
7003 csig->call_convention = MONO_CALL_STDCALL;
7006 /* Change default calling convention if needed */
7007 /* Why is this a modopt ? */
7008 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
7009 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
7010 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
7011 g_assert (cmod_class);
7012 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
7013 if (!strcmp (cmod_class->name, "CallConvCdecl"))
7014 csig->call_convention = MONO_CALL_C;
7015 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
7016 csig->call_convention = MONO_CALL_STDCALL;
7017 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
7018 csig->call_convention = MONO_CALL_FASTCALL;
7019 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
7020 csig->call_convention = MONO_CALL_THISCALL;
7025 /* Handle the UnmanagedFunctionPointerAttribute */
7026 if (!UnmanagedFunctionPointerAttribute)
7027 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
7029 /* The attribute is only available in Net 2.0 */
7030 if (UnmanagedFunctionPointerAttribute) {
7031 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
7032 MonoCustomAttrInfo *cinfo;
7035 * The pinvoke attributes are stored in a real custom attribute so we have to
7038 cinfo = mono_custom_attrs_from_class (delegate_klass);
7040 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
7042 memset (&piinfo, 0, sizeof (piinfo));
7044 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
7046 csig->call_convention = attr->call_conv - 1;
7049 mono_custom_attrs_free (cinfo);
7053 /* fixme: howto handle this ? */
7056 mono_mb_emit_ptr (mb, this);
7059 g_assert_not_reached ();
7063 /* we first do all conversions */
7064 tmp_locals = alloca (sizeof (int) * sig->param_count);
7065 for (i = 0; i < sig->param_count; i ++) {
7066 MonoType *t = sig->params [i];
7069 case MONO_TYPE_OBJECT:
7070 case MONO_TYPE_CLASS:
7071 case MONO_TYPE_VALUETYPE:
7072 case MONO_TYPE_ARRAY:
7073 case MONO_TYPE_SZARRAY:
7074 case MONO_TYPE_STRING:
7075 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
7084 emit_thread_interrupt_checkpoint (mb);
7086 for (i = 0; i < sig->param_count; i++) {
7087 MonoType *t = sig->params [i];
7089 if (tmp_locals [i]) {
7091 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
7093 mono_mb_emit_ldloc (mb, tmp_locals [i]);
7096 mono_mb_emit_ldarg (mb, i);
7099 mono_mb_emit_managed_call (mb, method, NULL);
7101 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
7102 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7105 if (!sig->ret->byref) {
7106 switch (sig->ret->type) {
7107 case MONO_TYPE_VOID:
7109 case MONO_TYPE_BOOLEAN:
7123 case MONO_TYPE_OBJECT:
7124 mono_mb_emit_stloc (mb, 3);
7126 case MONO_TYPE_STRING:
7127 csig->ret = &mono_defaults.int_class->byval_arg;
7128 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7130 case MONO_TYPE_VALUETYPE:
7131 case MONO_TYPE_CLASS:
7132 case MONO_TYPE_SZARRAY:
7133 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
7136 g_warning ("return type 0x%02x unknown", sig->ret->type);
7137 g_assert_not_reached ();
7140 mono_mb_emit_stloc (mb, 3);
7143 /* Convert byref arguments back */
7144 for (i = 0; i < sig->param_count; i ++) {
7145 MonoType *t = sig->params [i];
7146 MonoMarshalSpec *spec = mspecs [i + 1];
7148 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
7149 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7151 else if (t->byref) {
7153 case MONO_TYPE_CLASS:
7154 case MONO_TYPE_VALUETYPE:
7155 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7159 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
7160 /* The [Out] information is encoded in the delegate signature */
7162 case MONO_TYPE_SZARRAY:
7163 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
7166 g_assert_not_reached ();
7172 mono_mb_emit_ldloc (mb, m.retobj_var);
7173 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7174 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
7175 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
7178 if (!MONO_TYPE_IS_VOID(sig->ret))
7179 mono_mb_emit_ldloc (mb, 3);
7180 mono_mb_emit_byte (mb, CEE_RET);
7184 res = mono_mb_create_and_cache (cache, method,
7185 mb, csig, sig->param_count + 16);
7188 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
7192 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
7194 mono_metadata_free_marshal_spec (mspecs [i]);
7197 /* 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)); */
7202 static MonoReflectionType *
7203 type_from_handle (MonoType *handle)
7205 MonoDomain *domain = mono_domain_get ();
7206 MonoClass *klass = mono_class_from_mono_type (handle);
7208 MONO_ARCH_SAVE_REGS;
7210 mono_class_init (klass);
7211 return mono_type_get_object (domain, handle);
7215 * mono_marshal_get_isinst:
7216 * @klass: the type of the field
7218 * This method generates a function which can be used to check if an object is
7219 * an instance of the given type, icluding the case where the object is a proxy.
7220 * The generated function has the following signature:
7221 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
7224 mono_marshal_get_isinst (MonoClass *klass)
7226 static MonoMethodSignature *isint_sig = NULL;
7229 int pos_was_ok, pos_failed, pos_end, pos_end2;
7231 MonoMethodBuilder *mb;
7233 cache = klass->image->isinst_cache;
7234 if ((res = mono_marshal_find_in_cache (cache, klass)))
7238 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7239 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7240 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7241 isint_sig->pinvoke = 0;
7244 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
7245 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
7248 mb->method->save_lmf = 1;
7250 /* check if the object is a proxy that needs special cast */
7251 mono_mb_emit_ldarg (mb, 0);
7252 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7253 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
7254 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7256 /* The result of MONO_ISINST can be:
7257 0) the type check succeeded
7258 1) the type check did not succeed
7259 2) a CanCastTo call is needed */
7261 mono_mb_emit_byte (mb, CEE_DUP);
7262 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7264 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
7265 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
7267 /* get the real proxy from the transparent proxy*/
7269 mono_mb_emit_ldarg (mb, 0);
7270 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7271 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7275 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7276 mono_mb_emit_byte (mb, CEE_LDNULL);
7277 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
7281 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7282 mono_mb_emit_byte (mb, CEE_POP);
7283 mono_mb_emit_ldarg (mb, 0);
7287 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7288 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
7289 mono_mb_emit_byte (mb, CEE_RET);
7291 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7298 * mono_marshal_get_castclass:
7299 * @klass: the type of the field
7301 * This method generates a function which can be used to cast an object to
7302 * an instance of the given type, icluding the case where the object is a proxy.
7303 * The generated function has the following signature:
7304 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
7307 mono_marshal_get_castclass (MonoClass *klass)
7309 static MonoMethodSignature *castclass_sig = NULL;
7312 int pos_was_ok, pos_was_ok2;
7314 MonoMethodBuilder *mb;
7316 cache = klass->image->castclass_cache;
7317 if ((res = mono_marshal_find_in_cache (cache, klass)))
7320 if (!castclass_sig) {
7321 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7322 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
7323 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
7324 castclass_sig->pinvoke = 0;
7327 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
7328 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
7331 mb->method->save_lmf = 1;
7333 /* check if the object is a proxy that needs special cast */
7334 mono_mb_emit_ldarg (mb, 0);
7335 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7336 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
7337 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7339 /* The result of MONO_ISINST can be:
7340 0) the cast is valid
7341 1) cast of unknown proxy type
7342 or an exception if the cast is is invalid
7345 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
7347 /* get the real proxy from the transparent proxy*/
7349 mono_mb_emit_ldarg (mb, 0);
7350 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
7351 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7354 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
7357 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
7358 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
7359 mono_mb_emit_ldarg (mb, 0);
7362 mono_mb_emit_byte (mb, CEE_RET);
7364 res = mono_mb_create_and_cache (cache, klass, mb, castclass_sig, castclass_sig->param_count + 16);
7371 mono_marshal_get_proxy_cancast (MonoClass *klass)
7373 static MonoMethodSignature *isint_sig = NULL;
7376 int pos_failed, pos_end;
7378 MonoMethod *can_cast_to;
7379 MonoMethodDesc *desc;
7380 MonoMethodBuilder *mb;
7382 cache = klass->image->proxy_isinst_cache;
7383 if ((res = mono_marshal_find_in_cache (cache, klass)))
7387 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7388 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
7389 isint_sig->ret = &mono_defaults.object_class->byval_arg;
7390 isint_sig->pinvoke = 0;
7393 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
7394 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
7397 mb->method->save_lmf = 1;
7399 /* get the real proxy from the transparent proxy*/
7400 mono_mb_emit_ldarg (mb, 0);
7401 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
7402 mono_mb_emit_byte (mb, CEE_LDIND_REF);
7404 /* get the reflection type from the type handle */
7405 mono_mb_emit_ptr (mb, &klass->byval_arg);
7406 mono_mb_emit_icall (mb, type_from_handle);
7408 mono_mb_emit_ldarg (mb, 0);
7410 /* make the call to CanCastTo (type, ob) */
7411 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
7412 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
7413 g_assert (can_cast_to);
7414 mono_method_desc_free (desc);
7415 mono_mb_emit_byte (mb, CEE_CALLVIRT);
7416 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
7419 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
7421 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
7422 mono_mb_emit_ptr (mb, &klass->byval_arg);
7423 mono_mb_emit_icall (mb, type_from_handle);
7424 mono_mb_emit_ldarg (mb, 0);
7426 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
7427 emit_thread_interrupt_checkpoint (mb);
7429 mono_mb_emit_ldarg (mb, 0);
7430 pos_end = mono_mb_emit_branch (mb, CEE_BR);
7434 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
7435 mono_mb_emit_byte (mb, CEE_LDNULL);
7439 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7440 mono_mb_emit_byte (mb, CEE_RET);
7442 res = mono_mb_create_and_cache (cache, klass, mb, isint_sig, isint_sig->param_count + 16);
7449 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
7452 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
7453 klass = mono_class_from_mono_type (rtype->type);
7454 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
7458 * mono_marshal_get_struct_to_ptr:
7461 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
7464 mono_marshal_get_struct_to_ptr (MonoClass *klass)
7466 MonoMethodBuilder *mb;
7467 static MonoMethod *stoptr = NULL;
7470 g_assert (klass != NULL);
7472 mono_marshal_load_type_info (klass);
7474 if (klass->marshal_info->str_to_ptr)
7475 return klass->marshal_info->str_to_ptr;
7478 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
7481 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
7483 if (klass->blittable) {
7484 mono_mb_emit_byte (mb, CEE_LDARG_1);
7485 mono_mb_emit_byte (mb, CEE_LDARG_0);
7486 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7487 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7488 mono_mb_emit_byte (mb, CEE_PREFIX1);
7489 mono_mb_emit_byte (mb, CEE_CPBLK);
7492 /* allocate local 0 (pointer) src_ptr */
7493 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7494 /* allocate local 1 (pointer) dst_ptr */
7495 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7496 /* allocate local 2 (boolean) delete_old */
7497 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7498 mono_mb_emit_byte (mb, CEE_LDARG_2);
7499 mono_mb_emit_stloc (mb, 2);
7501 /* initialize src_ptr to point to the start of object data */
7502 mono_mb_emit_byte (mb, CEE_LDARG_0);
7503 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7504 mono_mb_emit_stloc (mb, 0);
7506 /* initialize dst_ptr */
7507 mono_mb_emit_byte (mb, CEE_LDARG_1);
7508 mono_mb_emit_stloc (mb, 1);
7510 emit_struct_conv (mb, klass, FALSE);
7513 mono_mb_emit_byte (mb, CEE_RET);
7515 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
7518 klass->marshal_info->str_to_ptr = res;
7523 * mono_marshal_get_ptr_to_struct:
7526 * generates IL code for PtrToStructure (IntPtr src, object structure)
7529 mono_marshal_get_ptr_to_struct (MonoClass *klass)
7531 MonoMethodBuilder *mb;
7532 static MonoMethodSignature *ptostr = NULL;
7535 g_assert (klass != NULL);
7537 mono_marshal_load_type_info (klass);
7539 if (klass->marshal_info->ptr_to_str)
7540 return klass->marshal_info->ptr_to_str;
7543 /* Create the signature corresponding to
7544 static void PtrToStructure (IntPtr ptr, object structure);
7545 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
7546 ptostr = mono_create_icall_signature ("void ptr object");
7548 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
7550 if (klass->blittable) {
7551 mono_mb_emit_byte (mb, CEE_LDARG_1);
7552 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7553 mono_mb_emit_byte (mb, CEE_LDARG_0);
7554 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7555 mono_mb_emit_byte (mb, CEE_PREFIX1);
7556 mono_mb_emit_byte (mb, CEE_CPBLK);
7559 /* allocate local 0 (pointer) src_ptr */
7560 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7561 /* allocate local 1 (pointer) dst_ptr */
7562 mono_mb_add_local (mb, &klass->this_arg);
7564 /* initialize src_ptr to point to the start of object data */
7565 mono_mb_emit_byte (mb, CEE_LDARG_0);
7566 mono_mb_emit_stloc (mb, 0);
7568 /* initialize dst_ptr */
7569 mono_mb_emit_byte (mb, CEE_LDARG_1);
7570 mono_mb_emit_byte (mb, CEE_UNBOX);
7571 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
7572 mono_mb_emit_stloc (mb, 1);
7574 emit_struct_conv (mb, klass, TRUE);
7577 mono_mb_emit_byte (mb, CEE_RET);
7579 res = mono_mb_create_method (mb, ptostr, 0);
7582 klass->marshal_info->ptr_to_str = res;
7587 * generates IL code for the synchronized wrapper: the generated method
7588 * calls METHOD while locking 'this' or the parent type.
7591 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
7593 static MonoMethod *enter_method, *exit_method;
7594 MonoMethodSignature *sig;
7595 MonoExceptionClause *clause;
7596 MonoMethodHeader *header;
7597 MonoMethodBuilder *mb;
7600 int i, pos, this_local, ret_local = 0;
7604 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
7607 cache = method->klass->image->synchronized_cache;
7608 if ((res = mono_marshal_find_in_cache (cache, method)))
7611 sig = signature_dup (method->klass->image, mono_method_signature (method));
7614 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
7617 if (!MONO_TYPE_IS_VOID (sig->ret))
7618 ret_local = mono_mb_add_local (mb, sig->ret);
7621 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7623 mono_loader_lock ();
7624 clause = mono_mempool_alloc0 (method->klass->image->mempool, sizeof (MonoExceptionClause));
7625 mono_loader_unlock ();
7626 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
7628 if (!enter_method) {
7629 MonoMethodDesc *desc;
7631 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
7632 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
7633 g_assert (enter_method);
7634 mono_method_desc_free (desc);
7635 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
7636 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
7637 g_assert (exit_method);
7638 mono_method_desc_free (desc);
7641 /* Push this or the type object */
7642 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
7644 * GetTypeFromHandle isn't called as a managed method because it has
7645 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
7646 * transformed into something else by the JIT.
7648 mono_mb_emit_ptr (mb, &method->klass->byval_arg);
7649 mono_mb_emit_icall (mb, type_from_handle);
7652 mono_mb_emit_ldarg (mb, 0);
7653 mono_mb_emit_stloc (mb, this_local);
7655 /* Call Monitor::Enter() */
7656 mono_mb_emit_ldloc (mb, this_local);
7657 mono_mb_emit_managed_call (mb, enter_method, NULL);
7659 clause->try_offset = mb->pos;
7661 /* Call the method */
7663 mono_mb_emit_ldarg (mb, 0);
7664 for (i = 0; i < sig->param_count; i++)
7665 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
7667 /* this is needed to avoid recursion */
7668 mono_mb_emit_byte (mb, CEE_PREFIX1);
7669 mono_mb_emit_byte (mb, CEE_LDFTN);
7670 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
7671 mono_mb_emit_calli (mb, mono_method_signature (method));
7673 if (!MONO_TYPE_IS_VOID (sig->ret))
7674 mono_mb_emit_stloc (mb, ret_local);
7676 mono_mb_emit_byte (mb, CEE_LEAVE);
7678 mono_mb_emit_i4 (mb, 0);
7680 clause->try_len = mb->pos - clause->try_offset;
7681 clause->handler_offset = mb->pos;
7683 /* Call Monitor::Exit() */
7684 mono_mb_emit_ldloc (mb, this_local);
7685 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
7686 mono_mb_emit_managed_call (mb, exit_method, NULL);
7687 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
7689 clause->handler_len = mb->pos - clause->handler_offset;
7691 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
7692 if (!MONO_TYPE_IS_VOID (sig->ret))
7693 mono_mb_emit_ldloc (mb, ret_local);
7694 mono_mb_emit_byte (mb, CEE_RET);
7696 res = mono_mb_create_and_cache (cache, method,
7697 mb, sig, sig->param_count + 16);
7700 header = ((MonoMethodNormal *)res)->header;
7701 header->num_clauses = 1;
7702 header->clauses = clause;
7709 * the returned method calls 'method' unboxing the this argument
7712 mono_marshal_get_unbox_wrapper (MonoMethod *method)
7714 MonoMethodSignature *sig = mono_method_signature (method);
7716 MonoMethodBuilder *mb;
7720 cache = method->klass->image->unbox_wrapper_cache;
7721 if ((res = mono_marshal_find_in_cache (cache, method)))
7724 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
7726 g_assert (sig->hasthis);
7728 mono_mb_emit_ldarg (mb, 0);
7729 mono_mb_emit_icon (mb, sizeof (MonoObject));
7730 mono_mb_emit_byte (mb, CEE_ADD);
7731 for (i = 0; i < sig->param_count; ++i)
7732 mono_mb_emit_ldarg (mb, i + 1);
7733 mono_mb_emit_managed_call (mb, method, NULL);
7734 mono_mb_emit_byte (mb, CEE_RET);
7736 res = mono_mb_create_and_cache (cache, method,
7737 mb, sig, sig->param_count + 16);
7740 /* 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)); */
7746 mono_marshal_get_stelemref ()
7748 static MonoMethod* ret = NULL;
7749 MonoMethodSignature *sig;
7750 MonoMethodBuilder *mb;
7752 guint32 b1, b2, b3, b4;
7755 int array_slot_addr;
7760 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
7763 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
7765 /* void stelemref (void* array, int idx, void* value) */
7766 sig->ret = &mono_defaults.void_class->byval_arg;
7767 sig->params [0] = &mono_defaults.object_class->byval_arg;
7768 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
7769 sig->params [2] = &mono_defaults.object_class->byval_arg;
7771 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7772 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7773 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
7777 <ldelema (bound check)>
7781 aklass = array->vtable->klass->element_class;
7782 vklass = value->vtable->klass;
7784 if (vklass->idepth < aklass->idepth)
7787 if (vklass->supertypes [aklass->idepth - 1] != aklass)
7791 *array_slot_addr = value;
7795 if (mono_object_isinst (value, aklass))
7798 throw new ArrayTypeMismatchException ();
7801 /* ldelema (implicit bound check) */
7802 mono_mb_emit_ldarg (mb, 0);
7803 mono_mb_emit_ldarg (mb, 1);
7804 mono_mb_emit_byte (mb, CEE_LDELEMA);
7805 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
7806 mono_mb_emit_stloc (mb, array_slot_addr);
7808 /* if (!value) goto do_store */
7809 mono_mb_emit_ldarg (mb, 2);
7810 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7812 /* aklass = array->vtable->klass->element_class */
7813 mono_mb_emit_ldarg (mb, 0);
7814 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7815 mono_mb_emit_byte (mb, CEE_LDIND_I);
7816 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7817 mono_mb_emit_byte (mb, CEE_LDIND_I);
7818 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
7819 mono_mb_emit_byte (mb, CEE_LDIND_I);
7820 mono_mb_emit_stloc (mb, aklass);
7822 /* vklass = value->vtable->klass */
7823 mono_mb_emit_ldarg (mb, 2);
7824 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7825 mono_mb_emit_byte (mb, CEE_LDIND_I);
7826 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7827 mono_mb_emit_byte (mb, CEE_LDIND_I);
7828 mono_mb_emit_stloc (mb, vklass);
7830 /* if (vklass->idepth < aklass->idepth) goto failue */
7831 mono_mb_emit_ldloc (mb, vklass);
7832 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7833 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7835 mono_mb_emit_ldloc (mb, aklass);
7836 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7837 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7839 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
7841 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
7842 mono_mb_emit_ldloc (mb, vklass);
7843 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
7844 mono_mb_emit_byte (mb, CEE_LDIND_I);
7846 mono_mb_emit_ldloc (mb, aklass);
7847 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7848 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7849 mono_mb_emit_icon (mb, 1);
7850 mono_mb_emit_byte (mb, CEE_SUB);
7851 mono_mb_emit_icon (mb, sizeof (void*));
7852 mono_mb_emit_byte (mb, CEE_MUL);
7853 mono_mb_emit_byte (mb, CEE_ADD);
7854 mono_mb_emit_byte (mb, CEE_LDIND_I);
7856 mono_mb_emit_ldloc (mb, aklass);
7858 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
7862 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
7863 mono_mb_emit_ldloc (mb, array_slot_addr);
7864 mono_mb_emit_ldarg (mb, 2);
7865 mono_mb_emit_byte (mb, CEE_STIND_REF);
7867 mono_mb_emit_byte (mb, CEE_RET);
7870 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
7871 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
7873 mono_mb_emit_ldarg (mb, 2);
7874 mono_mb_emit_ldloc (mb, aklass);
7875 mono_mb_emit_icall (mb, mono_object_isinst);
7877 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7878 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
7879 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
7881 mono_mb_emit_byte (mb, CEE_RET);
7882 ret = mono_mb_create_method (mb, sig, 4);
7888 mono_marshal_get_write_barrier (void)
7890 static MonoMethod* ret = NULL;
7891 MonoMethodSignature *sig;
7892 MonoMethodBuilder *mb;
7898 mb = mono_mb_new (mono_defaults.object_class, "writebarrier", MONO_WRAPPER_WRITE_BARRIER);
7900 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
7902 /* void writebarrier (MonoObject** addr, MonoObject* obj) */
7903 sig->ret = &mono_defaults.void_class->byval_arg;
7904 sig->params [0] = &mono_defaults.object_class->this_arg;
7905 sig->params [1] = &mono_defaults.object_class->byval_arg;
7907 /* just the store right now: add an hook for the GC to use, maybe something
7908 * that can be used for stelemref as well
7909 * We need a write barrier variant to be used with struct copies as well, though
7910 * there are also other approaches possible, like writing a wrapper specific to
7911 * the struct or to the reference pattern in the struct...
7912 * Depending on the GC, we may want variants that take the object we store to
7913 * when it is available.
7915 mono_mb_emit_ldarg (mb, 0);
7916 mono_mb_emit_ldarg (mb, 1);
7917 mono_mb_emit_icall (mb, mono_gc_wbarrier_generic_store);
7918 /*mono_mb_emit_byte (mb, CEE_STIND_REF);*/
7920 mono_mb_emit_byte (mb, CEE_RET);
7922 ret = mono_mb_create_method (mb, sig, max_stack);
7928 mono_marshal_alloc (gulong size)
7932 #ifdef PLATFORM_WIN32
7933 res = CoTaskMemAlloc (size);
7935 res = g_try_malloc ((gulong)size);
7937 mono_gc_out_of_memory ((gulong)size);
7943 mono_marshal_free (gpointer ptr)
7945 #ifdef PLATFORM_WIN32
7946 CoTaskMemFree (ptr);
7953 mono_marshal_free_array (gpointer *ptr, int size)
7960 for (i = 0; i < size; i++)
7966 mono_marshal_realloc (gpointer ptr, gpointer size)
7968 MONO_ARCH_SAVE_REGS;
7970 return g_try_realloc (ptr, (gulong)size);
7974 mono_marshal_string_to_utf16 (MonoString *s)
7976 return s ? mono_string_chars (s) : NULL;
7980 * mono_marshal_set_last_error:
7982 * This function is invoked to set the last error value from a P/Invoke call
7983 * which has SetLastError set.
7986 mono_marshal_set_last_error (void)
7989 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
7991 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
7996 mono_marshal_set_last_error_windows (int error)
7999 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (error));
8004 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
8005 gpointer dest, gint32 length)
8010 MONO_ARCH_SAVE_REGS;
8012 MONO_CHECK_ARG_NULL (src);
8013 MONO_CHECK_ARG_NULL (dest);
8015 g_assert (src->obj.vtable->klass->rank == 1);
8016 g_assert (start_index >= 0);
8017 g_assert (length >= 0);
8018 g_assert (start_index + length <= mono_array_length (src));
8020 element_size = mono_array_element_size (src->obj.vtable->klass);
8022 /* no references should be involved */
8023 source_addr = mono_array_addr_with_size (src, element_size, start_index);
8025 memcpy (dest, source_addr, length * element_size);
8029 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
8030 MonoArray *dest, gint32 length)
8035 MONO_ARCH_SAVE_REGS;
8037 MONO_CHECK_ARG_NULL (src);
8038 MONO_CHECK_ARG_NULL (dest);
8040 g_assert (dest->obj.vtable->klass->rank == 1);
8041 g_assert (start_index >= 0);
8042 g_assert (length >= 0);
8043 g_assert (start_index + length <= mono_array_length (dest));
8045 element_size = mono_array_element_size (dest->obj.vtable->klass);
8047 /* no references should be involved */
8048 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
8050 memcpy (dest_addr, src, length * element_size);
8053 #if NO_UNALIGNED_ACCESS
8054 #define RETURN_UNALIGNED(type, addr) \
8057 memcpy(&val, p + offset, sizeof(val)); \
8060 #define WRITE_UNALIGNED(type, addr, val) \
8061 memcpy(addr, &val, sizeof(type))
8063 #define RETURN_UNALIGNED(type, addr) \
8064 return *(type*)(p + offset);
8065 #define WRITE_UNALIGNED(type, addr, val) \
8066 (*(type *)(addr) = (val))
8070 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
8074 MONO_ARCH_SAVE_REGS;
8076 RETURN_UNALIGNED(gpointer, p + offset);
8080 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
8084 MONO_ARCH_SAVE_REGS;
8086 return *(unsigned char*)(p + offset);
8090 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
8094 MONO_ARCH_SAVE_REGS;
8096 RETURN_UNALIGNED(gint16, p + offset);
8100 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
8104 MONO_ARCH_SAVE_REGS;
8106 RETURN_UNALIGNED(gint32, p + offset);
8110 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
8114 MONO_ARCH_SAVE_REGS;
8116 RETURN_UNALIGNED(gint64, p + offset);
8120 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
8124 MONO_ARCH_SAVE_REGS;
8126 *(unsigned char*)(p + offset) = val;
8130 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
8134 MONO_ARCH_SAVE_REGS;
8136 WRITE_UNALIGNED(gpointer, p + offset, val);
8140 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
8144 MONO_ARCH_SAVE_REGS;
8146 WRITE_UNALIGNED(gint16, p + offset, val);
8150 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
8154 MONO_ARCH_SAVE_REGS;
8156 WRITE_UNALIGNED(gint32, p + offset, val);
8160 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
8164 MONO_ARCH_SAVE_REGS;
8166 WRITE_UNALIGNED(gint64, p + offset, val);
8170 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
8172 MONO_ARCH_SAVE_REGS;
8177 return mono_string_new (mono_domain_get (), ptr);
8181 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
8183 MONO_ARCH_SAVE_REGS;
8186 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8187 g_assert_not_reached ();
8190 return mono_string_new_len (mono_domain_get (), ptr, len);
8194 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
8196 MonoDomain *domain = mono_domain_get ();
8200 MONO_ARCH_SAVE_REGS;
8208 return mono_string_new_utf16 (domain, ptr, len);
8212 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
8214 MonoDomain *domain = mono_domain_get ();
8216 MONO_ARCH_SAVE_REGS;
8219 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
8220 g_assert_not_reached ();
8223 return mono_string_new_utf16 (domain, ptr, len);
8227 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
8229 MONO_ARCH_SAVE_REGS;
8231 return mono_string_from_bstr(ptr);
8235 ves_icall_System_Runtime_InteropServices_Marshal_StringToBSTR (MonoString* ptr)
8237 MONO_ARCH_SAVE_REGS;
8239 return mono_string_to_bstr(ptr);
8243 ves_icall_System_Runtime_InteropServices_Marshal_FreeBSTR (gpointer ptr)
8245 MONO_ARCH_SAVE_REGS;
8247 mono_free_bstr (ptr);
8251 ves_icall_System_Runtime_InteropServices_Marshal_GetComSlotForMethodInfoInternal (MonoReflectionMethod *m)
8253 MONO_ARCH_SAVE_REGS;
8254 static MonoClass *interface_type_attribute = NULL;
8255 MonoInterfaceTypeAttribute* itf_attr = NULL;
8256 MonoCustomAttrInfo *cinfo = NULL;
8259 if (!interface_type_attribute)
8260 interface_type_attribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "InterfaceTypeAttribute");
8261 cinfo = mono_custom_attrs_from_class (m->method->klass);
8263 itf_attr = (MonoInterfaceTypeAttribute*)mono_custom_attrs_get_attr (cinfo, interface_type_attribute);
8265 mono_custom_attrs_free (cinfo);
8268 if (itf_attr && itf_attr->intType == 1)
8269 offset = 3; /* 3 methods in IUnknown*/
8271 offset = 7; /* 7 methods in IDispatch*/
8273 return m->method->slot + offset;
8277 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
8279 MONO_ARCH_SAVE_REGS;
8281 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
8285 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
8291 MONO_ARCH_SAVE_REGS;
8293 MONO_CHECK_ARG_NULL (rtype);
8296 klass = mono_class_from_mono_type (type);
8297 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
8299 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8303 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
8304 exc = mono_get_exception_argument ("t", msg);
8306 mono_raise_exception (exc);
8310 return mono_class_native_size (klass, NULL);
8314 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
8319 MONO_ARCH_SAVE_REGS;
8321 MONO_CHECK_ARG_NULL (obj);
8322 MONO_CHECK_ARG_NULL (dst);
8324 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
8328 pa [2] = &delete_old;
8330 mono_runtime_invoke (method, NULL, pa, NULL);
8334 ptr_to_structure (gpointer src, MonoObject *dst)
8339 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
8344 mono_runtime_invoke (method, NULL, pa, NULL);
8348 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
8352 MONO_ARCH_SAVE_REGS;
8354 MONO_CHECK_ARG_NULL (src);
8355 MONO_CHECK_ARG_NULL (dst);
8357 t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
8359 if (t->type == MONO_TYPE_VALUETYPE) {
8363 tmp = g_strdup_printf ("Destination is a boxed value type.");
8364 exc = mono_get_exception_argument ("dst", tmp);
8367 mono_raise_exception (exc);
8371 ptr_to_structure (src, dst);
8375 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
8377 MonoDomain *domain = mono_domain_get ();
8380 MONO_ARCH_SAVE_REGS;
8382 MONO_CHECK_ARG_NULL (src);
8383 MONO_CHECK_ARG_NULL (type);
8385 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
8387 ptr_to_structure (src, res);
8393 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
8395 MonoMarshalType *info;
8398 int match_index = -1;
8400 MONO_ARCH_SAVE_REGS;
8402 MONO_CHECK_ARG_NULL (type);
8403 MONO_CHECK_ARG_NULL (field_name);
8405 fname = mono_string_to_utf8 (field_name);
8406 klass = mono_class_from_mono_type (type->type);
8408 while (klass && match_index == -1) {
8409 MonoClassField* field;
8411 gpointer iter = NULL;
8412 while ((field = mono_class_get_fields (klass, &iter))) {
8413 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8415 if (!strcmp (fname, field->name)) {
8422 if (match_index == -1)
8423 klass = klass->parent;
8428 if(match_index == -1) {
8432 /* Get back original class instance */
8433 klass = mono_class_from_mono_type (type->type);
8435 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
8436 exc = mono_get_exception_argument ("fieldName", tmp);
8439 mono_raise_exception ((MonoException*)exc);
8442 info = mono_marshal_load_type_info (klass);
8443 return info->fields [match_index].offset;
8447 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
8449 MONO_ARCH_SAVE_REGS;
8451 return mono_string_to_utf8 (string);
8455 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
8457 MONO_ARCH_SAVE_REGS;
8462 gunichar2 *res = g_malloc ((mono_string_length (string) + 1) * 2);
8463 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
8464 res [mono_string_length (string)] = 0;
8470 mono_struct_delete_old (MonoClass *klass, char *ptr)
8472 MonoMarshalType *info;
8475 info = mono_marshal_load_type_info (klass);
8477 for (i = 0; i < info->num_fields; i++) {
8478 MonoMarshalNative ntype;
8479 MonoMarshalConv conv;
8480 MonoType *ftype = info->fields [i].field->type;
8483 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
8486 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
8487 klass->unicode, &conv);
8489 cpos = ptr + info->fields [i].offset;
8492 case MONO_MARSHAL_CONV_NONE:
8493 if (MONO_TYPE_ISSTRUCT (ftype)) {
8494 mono_struct_delete_old (ftype->data.klass, cpos);
8498 case MONO_MARSHAL_CONV_STR_LPWSTR:
8499 /* We assume this field points inside a MonoString */
8501 case MONO_MARSHAL_CONV_STR_LPSTR:
8502 case MONO_MARSHAL_CONV_STR_LPTSTR:
8503 case MONO_MARSHAL_CONV_STR_BSTR:
8504 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
8505 case MONO_MARSHAL_CONV_STR_TBSTR:
8506 mono_marshal_free (*(gpointer *)cpos);
8515 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
8519 MONO_ARCH_SAVE_REGS;
8521 MONO_CHECK_ARG_NULL (src);
8522 MONO_CHECK_ARG_NULL (type);
8524 klass = mono_class_from_mono_type (type->type);
8526 mono_struct_delete_old (klass, (char *)src);
8530 /* FIXME: on win32 we should probably use GlobalAlloc(). */
8532 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
8536 MONO_ARCH_SAVE_REGS;
8538 if ((gulong)size == 0)
8539 /* This returns a valid pointer for size 0 on MS.NET */
8542 res = g_try_malloc ((gulong)size);
8544 mono_gc_out_of_memory ((gulong)size);
8550 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
8552 MONO_ARCH_SAVE_REGS;
8558 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
8560 MONO_ARCH_SAVE_REGS;
8562 #ifdef PLATFORM_WIN32
8563 return CoTaskMemAlloc (size);
8565 return g_try_malloc ((gulong)size);
8570 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
8572 MONO_ARCH_SAVE_REGS;
8574 #ifdef PLATFORM_WIN32
8575 CoTaskMemFree (ptr);
8582 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
8584 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
8588 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
8590 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
8594 mono_marshal_load_type_info (MonoClass* klass)
8597 guint32 native_size = 0, min_align = 1;
8598 MonoMarshalType *info;
8599 MonoClassField* field;
8603 g_assert (klass != NULL);
8605 if (klass->marshal_info)
8606 return klass->marshal_info;
8609 mono_class_init (klass);
8612 while ((field = mono_class_get_fields (klass, &iter))) {
8613 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8615 if (mono_field_is_deleted (field))
8620 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
8622 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
8623 info->num_fields = count;
8625 /* Try to find a size for this type in metadata */
8626 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
8628 if (klass->parent) {
8629 int parent_size = mono_class_native_size (klass->parent, NULL);
8631 /* Add parent size to real size */
8632 native_size += parent_size;
8633 info->native_size = parent_size;
8638 while ((field = mono_class_get_fields (klass, &iter))) {
8642 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8645 if (mono_field_is_deleted (field))
8647 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
8648 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
8649 NULL, NULL, &info->fields [j].mspec);
8651 info->fields [j].field = field;
8653 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
8654 (strcmp (field->name, "$PRIVATE$") == 0)) {
8655 /* This field is a hack inserted by MCS to empty structures */
8660 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
8661 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
8662 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
8663 &align, TRUE, klass->unicode);
8664 align = klass->packing_size ? MIN (klass->packing_size, align): align;
8665 min_align = MAX (align, min_align);
8666 info->fields [j].offset = info->native_size;
8667 info->fields [j].offset += align - 1;
8668 info->fields [j].offset &= ~(align - 1);
8669 info->native_size = info->fields [j].offset + size;
8671 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
8672 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
8673 &align, TRUE, klass->unicode);
8674 align = klass->packing_size ? MIN (klass->packing_size, align): align;
8675 min_align = MAX (align, min_align);
8676 info->fields [j].offset = field->offset - sizeof (MonoObject);
8677 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
8683 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8684 info->native_size = MAX (native_size, info->native_size);
8687 if (info->native_size & (min_align - 1)) {
8688 info->native_size += min_align - 1;
8689 info->native_size &= ~(min_align - 1);
8692 /* Update the class's blittable info, if the layouts don't match */
8693 if (info->native_size != mono_class_value_size (klass, NULL))
8694 klass->blittable = FALSE;
8696 /* If this is an array type, ensure that we have element info */
8697 if (klass->element_class) {
8698 mono_marshal_load_type_info (klass->element_class);
8701 return klass->marshal_info;
8705 * mono_class_native_size:
8708 * Returns: the native size of an object instance (when marshaled
8709 * to unmanaged code)
8712 mono_class_native_size (MonoClass *klass, guint32 *align)
8714 if (!klass->marshal_info)
8715 mono_marshal_load_type_info (klass);
8718 *align = klass->min_align;
8720 return klass->marshal_info->native_size;
8724 * mono_type_native_stack_size:
8725 * @t: the type to return the size it uses on the stack
8727 * Returns: the number of bytes required to hold an instance of this
8728 * type on the native stack
8731 mono_type_native_stack_size (MonoType *t, guint32 *align)
8735 g_assert (t != NULL);
8746 case MONO_TYPE_BOOLEAN:
8747 case MONO_TYPE_CHAR:
8756 case MONO_TYPE_STRING:
8757 case MONO_TYPE_OBJECT:
8758 case MONO_TYPE_CLASS:
8759 case MONO_TYPE_SZARRAY:
8761 case MONO_TYPE_FNPTR:
8762 case MONO_TYPE_ARRAY:
8763 case MONO_TYPE_TYPEDBYREF:
8774 case MONO_TYPE_VALUETYPE: {
8777 if (t->data.klass->enumtype)
8778 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
8780 size = mono_class_native_size (t->data.klass, align);
8781 *align = *align + 3;
8791 g_error ("type 0x%02x unknown", t->type);
8796 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
8797 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
8798 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
8799 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
8802 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
8803 gboolean as_field, gboolean unicode)
8805 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
8808 switch (native_type) {
8809 case MONO_NATIVE_BOOLEAN:
8812 case MONO_NATIVE_I1:
8813 case MONO_NATIVE_U1:
8816 case MONO_NATIVE_I2:
8817 case MONO_NATIVE_U2:
8818 case MONO_NATIVE_VARIANTBOOL:
8821 case MONO_NATIVE_I4:
8822 case MONO_NATIVE_U4:
8823 case MONO_NATIVE_ERROR:
8826 case MONO_NATIVE_I8:
8827 case MONO_NATIVE_U8:
8828 *align = ALIGNMENT(guint64);
8830 case MONO_NATIVE_R4:
8833 case MONO_NATIVE_R8:
8834 *align = ALIGNMENT(double);
8836 case MONO_NATIVE_INT:
8837 case MONO_NATIVE_UINT:
8838 case MONO_NATIVE_LPSTR:
8839 case MONO_NATIVE_LPWSTR:
8840 case MONO_NATIVE_LPTSTR:
8841 case MONO_NATIVE_BSTR:
8842 case MONO_NATIVE_ANSIBSTR:
8843 case MONO_NATIVE_TBSTR:
8844 case MONO_NATIVE_LPARRAY:
8845 case MONO_NATIVE_SAFEARRAY:
8846 case MONO_NATIVE_IUNKNOWN:
8847 case MONO_NATIVE_IDISPATCH:
8848 case MONO_NATIVE_INTERFACE:
8849 case MONO_NATIVE_ASANY:
8850 case MONO_NATIVE_FUNC:
8851 case MONO_NATIVE_LPSTRUCT:
8852 *align = ALIGNMENT(gpointer);
8853 return sizeof (gpointer);
8854 case MONO_NATIVE_STRUCT:
8855 klass = mono_class_from_mono_type (type);
8856 return mono_class_native_size (klass, align);
8857 case MONO_NATIVE_BYVALTSTR: {
8858 int esize = unicode ? 2: 1;
8861 return mspec->data.array_data.num_elem * esize;
8863 case MONO_NATIVE_BYVALARRAY: {
8864 // FIXME: Have to consider ArraySubType
8866 klass = mono_class_from_mono_type (type);
8867 if (klass->element_class == mono_defaults.char_class) {
8868 esize = unicode ? 2 : 1;
8871 esize = mono_class_native_size (klass->element_class, align);
8874 return mspec->data.array_data.num_elem * esize;
8876 case MONO_NATIVE_CUSTOM:
8877 g_assert_not_reached ();
8879 case MONO_NATIVE_CURRENCY:
8880 case MONO_NATIVE_VBBYREFSTR:
8882 g_error ("native type %02x not implemented", native_type);
8885 g_assert_not_reached ();
8890 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
8898 t = &o->vtable->klass->byval_arg;
8905 case MONO_TYPE_BOOLEAN:
8908 case MONO_TYPE_CHAR:
8913 return mono_object_unbox (o);
8915 case MONO_TYPE_STRING:
8916 switch (string_encoding) {
8917 case MONO_NATIVE_LPWSTR:
8918 return mono_string_to_utf16 ((MonoString*)o);
8920 case MONO_NATIVE_LPSTR:
8921 return mono_string_to_lpstr ((MonoString*)o);
8924 g_warning ("marshaling conversion %d not implemented", string_encoding);
8925 g_assert_not_reached ();
8928 case MONO_TYPE_CLASS:
8929 case MONO_TYPE_VALUETYPE: {
8933 MonoBoolean delete_old = FALSE;
8935 klass = t->data.klass;
8937 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
8940 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8941 klass->blittable || klass->enumtype))
8942 return mono_object_unbox (o);
8944 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
8946 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
8947 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
8951 pa [2] = &delete_old;
8953 mono_runtime_invoke (method, NULL, pa, NULL);
8960 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
8966 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
8974 t = &o->vtable->klass->byval_arg;
8976 case MONO_TYPE_STRING:
8977 switch (string_encoding) {
8978 case MONO_NATIVE_LPWSTR:
8979 case MONO_NATIVE_LPSTR:
8980 mono_marshal_free (ptr);
8983 g_warning ("marshaling conversion %d not implemented", string_encoding);
8984 g_assert_not_reached ();
8987 case MONO_TYPE_CLASS:
8988 case MONO_TYPE_VALUETYPE: {
8989 klass = t->data.klass;
8991 if (klass->valuetype && (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8992 klass->blittable || klass->enumtype))
8995 if (param_attrs & PARAM_ATTRIBUTE_OUT) {
8996 MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
9002 mono_runtime_invoke (method, NULL, pa, NULL);
9005 if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
9006 mono_struct_delete_old (klass, ptr);
9009 mono_marshal_free (ptr);