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 {
52 guint32 code_size, pos;
56 struct _MonoRemotingMethods {
58 MonoMethod *invoke_with_check;
59 MonoMethod *xdomain_invoke;
60 MonoMethod *xdomain_dispatch;
63 typedef struct _MonoRemotingMethods MonoRemotingMethods;
66 delegate_hash_table_add (MonoDelegate *d);
69 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
71 #ifdef DEBUG_RUNTIME_CODE
73 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
75 return g_strdup (" ");
78 static MonoDisHelper marshal_dh = {
88 /* This mutex protects the various marshalling related caches in MonoImage */
89 #define mono_marshal_lock() EnterCriticalSection (&marshal_mutex)
90 #define mono_marshal_unlock() LeaveCriticalSection (&marshal_mutex)
91 static CRITICAL_SECTION marshal_mutex;
93 /* Maps wrapper methods to the methods they wrap */
94 static GHashTable *wrapper_hash;
96 static guint32 last_error_tls_id;
98 static void mono_struct_delete_old (MonoClass *klass, char *ptr);
99 void * mono_marshal_string_to_utf16 (MonoString *s);
101 static gpointer mono_string_to_lpstr (MonoString *string_obj);
104 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
106 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
108 mono_register_jit_icall (func, name, sig, save);
111 static MonoMethodSignature*
112 signature_no_pinvoke (MonoMethodSignature* sig)
115 sig = mono_metadata_signature_dup (sig);
116 sig->pinvoke = FALSE;
123 mono_marshal_init (void)
125 static gboolean module_initialized = FALSE;
127 if (!module_initialized) {
128 module_initialized = TRUE;
129 InitializeCriticalSection (&marshal_mutex);
130 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
131 last_error_tls_id = TlsAlloc ();
133 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
134 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
135 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
136 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
137 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
138 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
139 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
140 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
141 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
142 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
143 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
144 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
145 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
146 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
147 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
148 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
149 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
150 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
151 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
152 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
153 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
154 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
155 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
156 register_icall (g_free, "g_free", "void ptr", FALSE);
157 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
158 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
163 MonoClass *byte_array_class;
164 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
165 static MonoMethod *method_set_context, *method_get_context;
166 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
169 mono_remoting_marshal_init (void)
173 static gboolean module_initialized = FALSE;
175 if (!module_initialized) {
176 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
177 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
178 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
179 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
181 klass = mono_defaults.real_proxy_class;
182 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
184 klass = mono_defaults.exception_class;
185 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
187 klass = mono_defaults.thread_class;
188 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
190 klass = mono_defaults.appdomain_class;
191 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
192 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
194 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
195 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
197 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
198 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
200 module_initialized = TRUE;
205 mono_delegate_to_ftnptr (MonoDelegate *delegate)
207 MonoMethod *method, *wrapper;
213 if (delegate->delegate_trampoline)
214 return delegate->delegate_trampoline;
216 klass = ((MonoObject *)delegate)->vtable->klass;
217 g_assert (klass->delegate);
219 method = delegate->method_info->method;
221 wrapper = mono_marshal_get_managed_wrapper (method, klass, delegate->target);
223 delegate->delegate_trampoline = mono_compile_method (wrapper);
225 // Add the delegate to the delegate hash table
226 delegate_hash_table_add (delegate);
228 /* when the object is collected, collect the dunamic method, too */
229 mono_object_register_finalizer ((MonoObject*)delegate);
231 return delegate->delegate_trampoline;
234 static GHashTable *delegate_hash_table;
237 delegate_hash_table_new (void) {
238 return g_hash_table_new (NULL, NULL);
242 delegate_hash_table_remove (MonoDelegate *d)
244 mono_marshal_lock ();
245 if (delegate_hash_table == NULL)
246 delegate_hash_table = delegate_hash_table_new ();
247 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
248 mono_marshal_unlock ();
252 delegate_hash_table_add (MonoDelegate *d)
254 mono_marshal_lock ();
255 if (delegate_hash_table == NULL)
256 delegate_hash_table = delegate_hash_table_new ();
257 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
258 mono_marshal_unlock ();
262 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
266 mono_marshal_lock ();
267 if (delegate_hash_table == NULL)
268 delegate_hash_table = delegate_hash_table_new ();
270 d = g_hash_table_lookup (delegate_hash_table, ftn);
271 mono_marshal_unlock ();
273 /* This is a native function, so construct a delegate for it */
274 static MonoClass *UnmanagedFunctionPointerAttribute;
275 MonoMethodSignature *sig;
277 MonoMarshalSpec **mspecs;
278 MonoCustomAttrInfo *cinfo;
279 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
280 MonoMethod *invoke = mono_get_delegate_invoke (klass);
281 MonoMethodPInvoke piinfo;
284 memset (&piinfo, 0, sizeof (piinfo));
285 if (!UnmanagedFunctionPointerAttribute)
286 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
288 /* The attribute is only available in Net 2.0 */
289 if (UnmanagedFunctionPointerAttribute) {
291 * The pinvoke attributes are stored in a real custom attribute so we have to
294 cinfo = mono_custom_attrs_from_class (klass);
296 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
298 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
301 mono_custom_attrs_free (cinfo);
305 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
306 mono_method_get_marshal_info (invoke, mspecs);
307 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
310 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
312 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
314 mono_metadata_free_marshal_spec (mspecs [i]);
318 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
319 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
326 mono_delegate_free_ftnptr (MonoDelegate *delegate)
331 delegate_hash_table_remove (delegate);
333 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
335 if (!delegate->target) {
336 /* The wrapper method is shared between delegates -> no need to free it */
341 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
344 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
349 mono_array_to_savearray (MonoArray *array)
354 g_assert_not_reached ();
359 mono_array_to_lparray (MonoArray *array)
364 /* fixme: maybe we need to make a copy */
365 return array->vector;
369 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
371 GError *error = NULL;
381 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
383 if (items_written > mono_stringbuilder_capacity (sb))
384 items_written = mono_stringbuilder_capacity (sb);
387 if (! sb->str || sb->str == sb->cached_str) {
388 sb->str = mono_string_new_size (mono_domain_get (), items_written);
389 sb->cached_str = NULL;
392 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
393 sb->length = items_written;
395 g_error_free (error);
401 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
408 g_assert (mono_string_chars (sb->str) == text);
410 for (len = 0; text [len] != 0; ++len)
417 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
419 GError *error = NULL;
426 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
428 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
430 g_error_free (error);
431 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
434 memcpy (res, tmp, sb->length + 1);
442 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
448 * The sb could have been allocated with the default capacity and be empty.
449 * we need to alloc a buffer of the default capacity in this case.
452 sb->str = mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb));
454 * The stringbuilder might not have ownership of this string. If this is
455 * the case, we must duplicate the string, so that we don't munge immutable
458 else if (sb->str == sb->cached_str) {
459 sb->str = mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb));
460 sb->cached_str = NULL;
463 return mono_string_chars (sb->str);
467 mono_string_to_lpstr (MonoString *s)
469 #ifdef PLATFORM_WIN32
472 GError *error = NULL;
478 as = CoTaskMemAlloc (1);
483 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
485 g_warning (error->message);
486 g_error_free (error);
490 as = CoTaskMemAlloc (len + 1);
491 memcpy (as, tmp, len + 1);
495 return mono_string_to_utf8 (s);
500 mono_string_to_ansibstr (MonoString *string_obj)
502 g_error ("UnmanagedMarshal.BStr is not implemented.");
507 mono_string_to_bstr (MonoString *string_obj)
509 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
514 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
519 g_assert (dst != NULL);
522 memset (dst, 0, size);
527 s = mono_string_to_utf8 (src);
528 len = MIN (size, strlen (s));
529 memcpy (dst, s, len);
532 *((char *)dst + size - 1) = 0;
536 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
540 g_assert (dst != NULL);
544 memset (dst, 0, size);
548 len = MIN (size, (mono_string_length (src) * 2));
549 memcpy (dst, mono_string_chars (src), len);
551 *((char *)dst + size - 1) = 0;
552 *((char *)dst + size - 2) = 0;
556 mono_mb_free (MonoMethodBuilder *mb)
558 g_list_free (mb->locals_list);
563 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
565 MonoMethodBuilder *mb;
568 g_assert (klass != NULL);
569 g_assert (name != NULL);
571 mb = g_new0 (MonoMethodBuilder, 1);
573 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
576 m->name = g_strdup (name);
578 m->wrapper_type = type;
581 mb->code = g_malloc (mb->code_size);
587 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
589 int res = mb->locals;
591 g_assert (mb != NULL);
592 g_assert (type != NULL);
594 mb->locals_list = g_list_append (mb->locals_list, type);
601 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
603 MonoMethodHeader *header;
604 MonoMethodWrapper *mw;
608 g_assert (mb != NULL);
610 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
611 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
616 header->max_stack = max_stack;
618 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
619 header->locals [i] = (MonoType *)l->data;
622 mb->method->signature = signature;
623 header->code = mb->code;
624 header->code_size = mb->pos;
625 header->num_locals = mb->locals;
627 mw = (MonoMethodWrapper*) mb->method;
628 i = g_list_length (mw->method_data);
632 l = g_list_reverse (mw->method_data);
633 data = mw->method_data = g_new (gpointer, i + 1);
634 /* store the size in the first element */
635 data [0] = GUINT_TO_POINTER (i);
637 for (tmp = l; tmp; tmp = tmp->next) {
638 data [i++] = tmp->data;
643 static int total_code = 0;
644 static int total_alloc = 0;
645 total_code += mb->pos;
646 total_alloc += mb->code_size;
647 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
650 #ifdef DEBUG_RUNTIME_CODE
651 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
652 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
659 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
661 MonoMethodWrapper *mw;
663 g_assert (mb != NULL);
665 mw = (MonoMethodWrapper *)mb->method;
667 /* one O(n) is enough */
668 mw->method_data = g_list_prepend (mw->method_data, data);
670 return g_list_length (mw->method_data);
674 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
676 mb->code [pos] = value & 0xff;
677 mb->code [pos + 1] = (value >> 8) & 0xff;
678 mb->code [pos + 2] = (value >> 16) & 0xff;
679 mb->code [pos + 3] = (value >> 24) & 0xff;
683 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
685 *((gint8 *)(&mb->code [pos])) = value;
689 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
691 if (mb->pos >= mb->code_size) {
692 mb->code_size += mb->code_size >> 1;
693 mb->code = g_realloc (mb->code, mb->code_size);
696 mb->code [mb->pos++] = op;
700 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
702 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
703 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
706 mono_mb_emit_icon (mb, offset);
707 mono_mb_emit_byte (mb, CEE_ADD);
712 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
715 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
716 mono_mb_emit_byte (mb, CEE_LDIND_I);
717 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
718 mono_mb_emit_byte (mb, CEE_ADD);
719 mono_mb_emit_byte (mb, CEE_LDIND_I);
720 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
721 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
722 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
723 mono_mb_emit_byte (mb, branch_code);
725 mono_mb_emit_i4 (mb, 0);
730 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
733 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
734 mono_mb_emit_byte (mb, CEE_LDIND_REF);
735 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
736 mono_mb_emit_byte (mb, CEE_LDIND_I4);
737 mono_mb_emit_icon (mb, -1);
738 mono_mb_emit_byte (mb, branch_code);
740 mono_mb_emit_i4 (mb, 0);
745 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
747 if ((mb->pos + 4) >= mb->code_size) {
748 mb->code_size += mb->code_size >> 1;
749 mb->code = g_realloc (mb->code, mb->code_size);
752 mono_mb_patch_addr (mb, mb->pos, data);
757 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
759 if ((mb->pos + 2) >= mb->code_size) {
760 mb->code_size += mb->code_size >> 1;
761 mb->code = g_realloc (mb->code, mb->code_size);
764 mb->code [mb->pos] = data & 0xff;
765 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
770 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
772 mono_mb_emit_byte (mb, CEE_LDSTR);
773 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
778 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
781 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
782 } else if (argnum < 256) {
783 mono_mb_emit_byte (mb, CEE_LDARG_S);
784 mono_mb_emit_byte (mb, argnum);
786 mono_mb_emit_byte (mb, CEE_PREFIX1);
787 mono_mb_emit_byte (mb, CEE_LDARG);
788 mono_mb_emit_i2 (mb, argnum);
793 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
796 mono_mb_emit_byte (mb, CEE_LDARGA_S);
797 mono_mb_emit_byte (mb, argnum);
799 mono_mb_emit_byte (mb, CEE_PREFIX1);
800 mono_mb_emit_byte (mb, CEE_LDARGA);
801 mono_mb_emit_i2 (mb, argnum);
806 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
809 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
810 mono_mb_emit_byte (mb, locnum);
812 mono_mb_emit_byte (mb, CEE_PREFIX1);
813 mono_mb_emit_byte (mb, CEE_LDLOCA);
814 mono_mb_emit_i2 (mb, locnum);
819 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
822 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
823 } else if (num < 256) {
824 mono_mb_emit_byte (mb, CEE_LDLOC_S);
825 mono_mb_emit_byte (mb, num);
827 mono_mb_emit_byte (mb, CEE_PREFIX1);
828 mono_mb_emit_byte (mb, CEE_LDLOC);
829 mono_mb_emit_i2 (mb, num);
834 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
837 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
838 } else if (num < 256) {
839 mono_mb_emit_byte (mb, CEE_STLOC_S);
840 mono_mb_emit_byte (mb, num);
842 mono_mb_emit_byte (mb, CEE_PREFIX1);
843 mono_mb_emit_byte (mb, CEE_STLOC);
844 mono_mb_emit_i2 (mb, num);
849 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
851 if (value >= -1 && value < 8) {
852 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
853 } else if (value >= -128 && value <= 127) {
854 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
855 mono_mb_emit_byte (mb, value);
857 mono_mb_emit_byte (mb, CEE_LDC_I4);
858 mono_mb_emit_i4 (mb, value);
863 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
866 mono_mb_emit_byte (mb, op);
868 mono_mb_emit_i4 (mb, 0);
873 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
875 mono_mb_emit_byte (mb, CEE_CALLI);
876 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
880 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
882 mono_mb_emit_byte (mb, CEE_CALL);
883 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
887 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
889 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
890 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
891 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
892 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
893 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
894 mono_mb_emit_calli (mb, sig);
895 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
896 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
900 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
902 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
903 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
904 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
908 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
910 MonoMethod *ctor = NULL;
912 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
913 mono_class_init (mme);
914 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
916 mono_mb_emit_byte (mb, CEE_NEWOBJ);
917 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
919 mono_mb_emit_byte (mb, CEE_DUP);
920 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
921 mono_mb_emit_ldstr (mb, (char*)msg);
922 mono_mb_emit_byte (mb, CEE_STIND_I);
924 mono_mb_emit_byte (mb, CEE_THROW);
928 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
930 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
934 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
936 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
940 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
942 mono_mb_emit_ldloc (mb, local);
943 mono_mb_emit_icon (mb, incr);
944 mono_mb_emit_byte (mb, CEE_ADD);
945 mono_mb_emit_stloc (mb, local);
949 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
950 int usize, int msize, MonoMarshalSpec *mspec)
953 case MONO_MARSHAL_CONV_BOOL_I4:
954 mono_mb_emit_ldloc (mb, 1);
955 mono_mb_emit_ldloc (mb, 0);
956 mono_mb_emit_byte (mb, CEE_LDIND_I4);
957 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
958 mono_mb_emit_byte (mb, 3);
959 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
960 mono_mb_emit_byte (mb, CEE_BR_S);
961 mono_mb_emit_byte (mb, 1);
962 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
963 mono_mb_emit_byte (mb, CEE_STIND_I1);
965 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
966 mono_mb_emit_ldloc (mb, 1);
967 mono_mb_emit_ldloc (mb, 0);
968 mono_mb_emit_byte (mb, CEE_LDIND_I2);
969 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
970 mono_mb_emit_byte (mb, 3);
971 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
972 mono_mb_emit_byte (mb, CEE_BR_S);
973 mono_mb_emit_byte (mb, 1);
974 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
975 mono_mb_emit_byte (mb, CEE_STIND_I1);
977 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
978 MonoClass *eclass = NULL;
981 if (type->type == MONO_TYPE_SZARRAY) {
982 eclass = type->data.klass;
984 g_assert_not_reached ();
987 if (eclass->valuetype)
988 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
990 esize = sizeof (gpointer);
992 /* create a new array */
993 mono_mb_emit_ldloc (mb, 1);
994 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
995 mono_mb_emit_byte (mb, CEE_NEWARR);
996 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
997 mono_mb_emit_byte (mb, CEE_STIND_I);
999 /* copy the elements */
1000 mono_mb_emit_ldloc (mb, 1);
1001 mono_mb_emit_byte (mb, CEE_LDIND_I);
1002 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1003 mono_mb_emit_byte (mb, CEE_ADD);
1004 mono_mb_emit_ldloc (mb, 0);
1005 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1006 mono_mb_emit_byte (mb, CEE_PREFIX1);
1007 mono_mb_emit_byte (mb, CEE_CPBLK);
1011 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1012 mono_mb_emit_ldloc (mb, 1);
1013 mono_mb_emit_ldloc (mb, 0);
1014 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1015 mono_mb_emit_byte (mb, CEE_STIND_I);
1017 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1018 mono_mb_emit_ldloc (mb, 1);
1019 mono_mb_emit_ldloc (mb, 0);
1020 mono_mb_emit_icall (mb, mono_string_from_utf16);
1021 mono_mb_emit_byte (mb, CEE_STIND_I);
1023 case MONO_MARSHAL_CONV_STR_LPTSTR:
1024 case MONO_MARSHAL_CONV_STR_LPSTR:
1025 mono_mb_emit_ldloc (mb, 1);
1026 mono_mb_emit_ldloc (mb, 0);
1027 mono_mb_emit_byte (mb, CEE_LDIND_I);
1028 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1029 mono_mb_emit_byte (mb, CEE_STIND_I);
1031 case MONO_MARSHAL_CONV_STR_LPWSTR:
1032 mono_mb_emit_ldloc (mb, 1);
1033 mono_mb_emit_ldloc (mb, 0);
1034 mono_mb_emit_byte (mb, CEE_LDIND_I);
1035 mono_mb_emit_icall (mb, mono_string_from_utf16);
1036 mono_mb_emit_byte (mb, CEE_STIND_I);
1038 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1039 MonoClass *klass = mono_class_from_mono_type (type);
1040 int src_var, dst_var;
1042 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1043 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1045 /* *dst = new object */
1046 mono_mb_emit_ldloc (mb, 1);
1047 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1048 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1049 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1050 mono_mb_emit_byte (mb, CEE_STIND_I);
1052 /* save the old src pointer */
1053 mono_mb_emit_ldloc (mb, 0);
1054 mono_mb_emit_stloc (mb, src_var);
1055 /* save the old dst pointer */
1056 mono_mb_emit_ldloc (mb, 1);
1057 mono_mb_emit_stloc (mb, dst_var);
1059 /* dst = pointer to newly created object data */
1060 mono_mb_emit_ldloc (mb, 1);
1061 mono_mb_emit_byte (mb, CEE_LDIND_I);
1062 mono_mb_emit_icon (mb, sizeof (MonoObject));
1063 mono_mb_emit_byte (mb, CEE_ADD);
1064 mono_mb_emit_byte (mb, CEE_STLOC_1);
1066 emit_struct_conv (mb, klass, TRUE);
1068 /* restore the old src pointer */
1069 mono_mb_emit_ldloc (mb, src_var);
1070 mono_mb_emit_stloc (mb, 0);
1071 /* restore the old dst pointer */
1072 mono_mb_emit_ldloc (mb, dst_var);
1073 mono_mb_emit_byte (mb, CEE_STLOC_1);
1076 case MONO_MARSHAL_CONV_DEL_FTN: {
1077 MonoClass *klass = mono_class_from_mono_type (type);
1079 mono_mb_emit_ldloc (mb, 1);
1080 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1081 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1082 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1083 mono_mb_emit_ldloc (mb, 0);
1084 mono_mb_emit_byte (mb, CEE_LDIND_I);
1085 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1086 mono_mb_emit_byte (mb, CEE_STIND_I);
1089 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1090 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1092 case MONO_MARSHAL_CONV_STR_BSTR:
1093 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1094 case MONO_MARSHAL_CONV_STR_TBSTR:
1095 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1097 g_warning ("marshaling conversion %d not implemented", conv);
1098 g_assert_not_reached ();
1103 conv_to_icall (MonoMarshalConv conv)
1106 case MONO_MARSHAL_CONV_STR_LPWSTR:
1107 return mono_marshal_string_to_utf16;
1108 case MONO_MARSHAL_CONV_LPWSTR_STR:
1109 return mono_string_from_utf16;
1110 case MONO_MARSHAL_CONV_LPSTR_STR:
1111 return mono_string_new_wrapper;
1112 case MONO_MARSHAL_CONV_STR_LPTSTR:
1113 case MONO_MARSHAL_CONV_STR_LPSTR:
1114 return mono_string_to_lpstr;
1115 case MONO_MARSHAL_CONV_STR_BSTR:
1116 return mono_string_to_bstr;
1117 case MONO_MARSHAL_CONV_STR_TBSTR:
1118 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1119 return mono_string_to_ansibstr;
1120 case MONO_MARSHAL_CONV_SB_LPSTR:
1121 case MONO_MARSHAL_CONV_SB_LPTSTR:
1122 return mono_string_builder_to_utf8;
1123 case MONO_MARSHAL_CONV_SB_LPWSTR:
1124 return mono_string_builder_to_utf16;
1125 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1126 return mono_array_to_savearray;
1127 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1128 return mono_array_to_lparray;
1129 case MONO_MARSHAL_CONV_DEL_FTN:
1130 return mono_delegate_to_ftnptr;
1131 case MONO_MARSHAL_CONV_FTN_DEL:
1132 return mono_ftnptr_to_delegate;
1133 case MONO_MARSHAL_CONV_LPSTR_SB:
1134 case MONO_MARSHAL_CONV_LPTSTR_SB:
1135 return mono_string_utf8_to_builder;
1136 case MONO_MARSHAL_CONV_LPWSTR_SB:
1137 return mono_string_utf16_to_builder;
1138 case MONO_MARSHAL_FREE_ARRAY:
1139 return mono_marshal_free_array;
1140 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1141 return mono_string_to_byvalstr;
1142 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1143 return mono_string_to_byvalwstr;
1145 g_assert_not_reached ();
1152 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1153 MonoMarshalSpec *mspec)
1158 case MONO_MARSHAL_CONV_BOOL_I4:
1159 mono_mb_emit_ldloc (mb, 1);
1160 mono_mb_emit_ldloc (mb, 0);
1161 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1162 mono_mb_emit_byte (mb, CEE_STIND_I4);
1164 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1165 mono_mb_emit_ldloc (mb, 1);
1166 mono_mb_emit_ldloc (mb, 0);
1167 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1168 mono_mb_emit_byte (mb, CEE_NEG);
1169 mono_mb_emit_byte (mb, CEE_STIND_I2);
1171 case MONO_MARSHAL_CONV_STR_LPWSTR:
1172 case MONO_MARSHAL_CONV_STR_LPSTR:
1173 case MONO_MARSHAL_CONV_STR_LPTSTR:
1174 case MONO_MARSHAL_CONV_STR_BSTR:
1175 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1176 case MONO_MARSHAL_CONV_STR_TBSTR: {
1179 /* free space if free == true */
1180 mono_mb_emit_ldloc (mb, 2);
1181 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1183 mono_mb_emit_byte (mb, 0);
1184 mono_mb_emit_ldloc (mb, 1);
1185 mono_mb_emit_byte (mb, CEE_LDIND_I);
1186 mono_mb_emit_icall (mb, g_free);
1187 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1189 mono_mb_emit_ldloc (mb, 1);
1190 mono_mb_emit_ldloc (mb, 0);
1191 mono_mb_emit_byte (mb, CEE_LDIND_I);
1192 mono_mb_emit_icall (mb, conv_to_icall (conv));
1193 mono_mb_emit_byte (mb, CEE_STIND_I);
1196 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1197 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1198 case MONO_MARSHAL_CONV_DEL_FTN:
1199 mono_mb_emit_ldloc (mb, 1);
1200 mono_mb_emit_ldloc (mb, 0);
1201 mono_mb_emit_byte (mb, CEE_LDIND_I);
1202 mono_mb_emit_icall (mb, conv_to_icall (conv));
1203 mono_mb_emit_byte (mb, CEE_STIND_I);
1205 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1206 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1210 mono_mb_emit_ldloc (mb, 1); /* dst */
1211 mono_mb_emit_ldloc (mb, 0);
1212 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1213 mono_mb_emit_icon (mb, usize);
1214 mono_mb_emit_icall (mb, conv_to_icall (conv));
1217 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1218 MonoClass *eclass = NULL;
1221 if (type->type == MONO_TYPE_SZARRAY) {
1222 eclass = type->data.klass;
1224 g_assert_not_reached ();
1227 if (eclass->valuetype)
1228 esize = mono_class_native_size (eclass, NULL);
1230 esize = sizeof (gpointer);
1235 mono_mb_emit_ldloc (mb, 0);
1236 mono_mb_emit_byte (mb, CEE_LDIND_I);
1237 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1239 mono_mb_emit_byte (mb, 0);
1241 mono_mb_emit_ldloc (mb, 1);
1242 mono_mb_emit_ldloc (mb, 0);
1243 mono_mb_emit_byte (mb, CEE_LDIND_I);
1244 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1245 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1246 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1247 mono_mb_emit_byte (mb, CEE_ADD);
1248 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1249 mono_mb_emit_byte (mb, CEE_PREFIX1);
1250 mono_mb_emit_byte (mb, CEE_CPBLK);
1251 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1254 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1255 int src_var, dst_var;
1257 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1258 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1260 mono_mb_emit_ldloc (mb, 0);
1261 mono_mb_emit_byte (mb, CEE_LDIND_I);
1262 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1264 mono_mb_emit_byte (mb, 0);
1266 /* save the old src pointer */
1267 mono_mb_emit_ldloc (mb, 0);
1268 mono_mb_emit_stloc (mb, src_var);
1269 /* save the old dst pointer */
1270 mono_mb_emit_ldloc (mb, 1);
1271 mono_mb_emit_stloc (mb, dst_var);
1273 /* src = pointer to object data */
1274 mono_mb_emit_ldloc (mb, 0);
1275 mono_mb_emit_byte (mb, CEE_LDIND_I);
1276 mono_mb_emit_icon (mb, sizeof (MonoObject));
1277 mono_mb_emit_byte (mb, CEE_ADD);
1278 mono_mb_emit_stloc (mb, 0);
1280 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1282 /* restore the old src pointer */
1283 mono_mb_emit_ldloc (mb, src_var);
1284 mono_mb_emit_stloc (mb, 0);
1285 /* restore the old dst pointer */
1286 mono_mb_emit_ldloc (mb, dst_var);
1287 mono_mb_emit_byte (mb, CEE_STLOC_1);
1289 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1293 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1294 MonoException *exc = mono_get_exception_not_implemented (msg);
1297 mono_raise_exception (exc);
1303 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1305 MonoMarshalType *info;
1309 emit_struct_conv(mb, klass->parent, to_object);
1311 info = mono_marshal_load_type_info (klass);
1313 if (info->native_size == 0)
1316 if (klass->blittable) {
1317 int msize = mono_class_value_size (klass, NULL);
1318 g_assert (msize == info->native_size);
1319 mono_mb_emit_ldloc (mb, 1);
1320 mono_mb_emit_ldloc (mb, 0);
1321 mono_mb_emit_icon (mb, msize);
1322 mono_mb_emit_byte (mb, CEE_PREFIX1);
1323 mono_mb_emit_byte (mb, CEE_CPBLK);
1325 mono_mb_emit_add_to_local (mb, 0, msize);
1326 mono_mb_emit_add_to_local (mb, 1, msize);
1330 for (i = 0; i < info->num_fields; i++) {
1331 MonoMarshalNative ntype;
1332 MonoMarshalConv conv;
1333 MonoType *ftype = info->fields [i].field->type;
1336 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1338 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1341 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1344 msize = klass->instance_size - info->fields [i].field->offset;
1345 usize = info->native_size - info->fields [i].offset;
1347 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1348 usize = info->fields [i + 1].offset - info->fields [i].offset;
1350 if ((msize < 0) || (usize < 0))
1351 /* This happens with GC aware auto layout */
1352 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1354 g_assert ((msize >= 0) && (usize >= 0));
1357 case MONO_MARSHAL_CONV_NONE: {
1360 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1361 ftype->type == MONO_TYPE_U) {
1362 mono_mb_emit_ldloc (mb, 1);
1363 mono_mb_emit_ldloc (mb, 0);
1364 mono_mb_emit_byte (mb, CEE_LDIND_I);
1365 mono_mb_emit_byte (mb, CEE_STIND_I);
1374 #if SIZEOF_VOID_P == 4
1377 mono_mb_emit_ldloc (mb, 1);
1378 mono_mb_emit_ldloc (mb, 0);
1379 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1380 mono_mb_emit_byte (mb, CEE_STIND_I4);
1384 case MONO_TYPE_BOOLEAN:
1385 mono_mb_emit_ldloc (mb, 1);
1386 mono_mb_emit_ldloc (mb, 0);
1387 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1388 mono_mb_emit_byte (mb, CEE_STIND_I1);
1392 case MONO_TYPE_CHAR:
1393 mono_mb_emit_ldloc (mb, 1);
1394 mono_mb_emit_ldloc (mb, 0);
1395 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1396 mono_mb_emit_byte (mb, CEE_STIND_I2);
1400 #if SIZEOF_VOID_P == 8
1403 mono_mb_emit_ldloc (mb, 1);
1404 mono_mb_emit_ldloc (mb, 0);
1405 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1406 mono_mb_emit_byte (mb, CEE_STIND_I8);
1409 mono_mb_emit_ldloc (mb, 1);
1410 mono_mb_emit_ldloc (mb, 0);
1411 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1412 mono_mb_emit_byte (mb, CEE_STIND_R4);
1415 mono_mb_emit_ldloc (mb, 1);
1416 mono_mb_emit_ldloc (mb, 0);
1417 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1418 mono_mb_emit_byte (mb, CEE_STIND_R8);
1420 case MONO_TYPE_VALUETYPE:
1421 if (ftype->data.klass->enumtype) {
1422 t = ftype->data.klass->enum_basetype->type;
1425 emit_struct_conv (mb, ftype->data.klass, to_object);
1428 g_warning ("marshaling type %02x not implemented", ftype->type);
1429 g_assert_not_reached ();
1435 emit_ptr_to_object_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1437 emit_object_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1441 mono_mb_emit_add_to_local (mb, 0, usize);
1442 mono_mb_emit_add_to_local (mb, 1, msize);
1444 mono_mb_emit_add_to_local (mb, 0, msize);
1445 mono_mb_emit_add_to_local (mb, 1, usize);
1451 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1453 /* Call DestroyStructure */
1454 /* FIXME: Only do this if needed */
1455 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1456 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1457 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1458 mono_mb_emit_ldloc (mb, struct_var);
1459 mono_mb_emit_icall (mb, mono_struct_delete_old);
1463 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1467 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1468 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1469 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1470 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1471 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1473 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1474 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1476 mono_mb_emit_icall (mb, checkpoint_func);
1478 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1482 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1484 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1487 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1491 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1493 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1496 static MonoAsyncResult *
1497 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1499 MonoMethodMessage *msg;
1500 MonoDelegate *async_callback;
1504 MonoMethod *method = NULL, *method2 = NULL;
1506 g_assert (delegate);
1508 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1510 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1511 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1513 /* If the target is a proxy, make a direct call. Is proxy's work
1514 // to make the call asynchronous.
1516 MonoAsyncResult *ares;
1518 MonoArray *out_args;
1520 method = delegate->method_info->method;
1522 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1523 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1524 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1525 ares->async_delegate = (MonoObject *)delegate;
1526 ares->async_callback = (MonoObject *)async_callback;
1527 msg->async_result = ares;
1528 msg->call_type = CallType_BeginInvoke;
1530 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1535 klass = delegate->object.vtable->klass;
1537 method = mono_get_delegate_invoke (klass);
1538 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
1541 g_assert (method != NULL);
1543 im = mono_get_delegate_invoke (method->klass);
1544 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1546 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1550 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1552 int i, params_var, tmp_var;
1554 /* allocate local (pointer) *params[] */
1555 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1556 /* allocate local (pointer) tmp */
1557 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1559 /* alloate space on stack to store an array of pointers to the arguments */
1560 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1561 mono_mb_emit_byte (mb, CEE_PREFIX1);
1562 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1563 mono_mb_emit_stloc (mb, params_var);
1566 mono_mb_emit_ldloc (mb, params_var);
1567 mono_mb_emit_stloc (mb, tmp_var);
1569 if (save_this && sig->hasthis) {
1570 mono_mb_emit_ldloc (mb, tmp_var);
1571 mono_mb_emit_ldarg_addr (mb, 0);
1572 mono_mb_emit_byte (mb, CEE_STIND_I);
1573 /* tmp = tmp + sizeof (gpointer) */
1574 if (sig->param_count)
1575 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1579 for (i = 0; i < sig->param_count; i++) {
1580 mono_mb_emit_ldloc (mb, tmp_var);
1581 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1582 mono_mb_emit_byte (mb, CEE_STIND_I);
1583 /* tmp = tmp + sizeof (gpointer) */
1584 if (i < (sig->param_count - 1))
1585 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1592 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1596 GString *res = g_string_new ("");
1599 g_string_append (res, prefix);
1600 g_string_append_c (res, '_');
1603 mono_type_get_desc (res, sig->ret, FALSE);
1605 for (i = 0; i < sig->param_count; ++i) {
1606 g_string_append_c (res, '_');
1607 mono_type_get_desc (res, sig->params [i], FALSE);
1610 g_string_free (res, FALSE);
1615 * mono_marshal_get_string_encoding:
1617 * Return the string encoding which should be used for a given parameter.
1619 static MonoMarshalNative
1620 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1622 /* First try the parameter marshal info */
1624 if (spec->native == MONO_NATIVE_LPARRAY) {
1625 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
1626 return spec->data.array_data.elem_type;
1629 return spec->native;
1633 return MONO_NATIVE_LPSTR;
1635 /* Then try the method level marshal info */
1636 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1637 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1638 return MONO_NATIVE_LPSTR;
1639 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1640 return MONO_NATIVE_LPWSTR;
1641 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1642 #ifdef PLATFORM_WIN32
1643 return MONO_NATIVE_LPWSTR;
1645 return MONO_NATIVE_LPSTR;
1648 return MONO_NATIVE_LPSTR;
1652 static MonoMarshalConv
1653 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1655 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1658 case MONO_NATIVE_LPWSTR:
1659 return MONO_MARSHAL_CONV_STR_LPWSTR;
1660 case MONO_NATIVE_LPSTR:
1661 return MONO_MARSHAL_CONV_STR_LPSTR;
1662 case MONO_NATIVE_LPTSTR:
1663 return MONO_MARSHAL_CONV_STR_LPTSTR;
1669 static MonoMarshalConv
1670 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1672 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1675 case MONO_NATIVE_LPWSTR:
1676 return MONO_MARSHAL_CONV_SB_LPWSTR;
1678 case MONO_NATIVE_LPSTR:
1679 return MONO_MARSHAL_CONV_SB_LPSTR;
1681 case MONO_NATIVE_LPTSTR:
1682 return MONO_MARSHAL_CONV_SB_LPTSTR;
1689 static MonoMarshalConv
1690 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1692 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1697 case MONO_NATIVE_LPWSTR:
1698 return MONO_MARSHAL_CONV_LPWSTR_STR;
1699 case MONO_NATIVE_LPSTR:
1700 return MONO_MARSHAL_CONV_LPSTR_STR;
1701 case MONO_NATIVE_LPTSTR:
1702 return MONO_MARSHAL_CONV_LPTSTR_STR;
1708 static MonoMarshalConv
1709 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1711 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1716 case MONO_NATIVE_LPWSTR:
1718 * mono_string_builder_to_utf16 does not allocate a
1719 * new buffer, so no need to free it.
1722 return MONO_MARSHAL_CONV_LPWSTR_SB;
1723 case MONO_NATIVE_LPSTR:
1724 return MONO_MARSHAL_CONV_LPSTR_SB;
1726 case MONO_NATIVE_LPTSTR:
1727 return MONO_MARSHAL_CONV_LPTSTR_SB;
1735 * Return whenever a field of a native structure or an array member needs to
1739 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1741 MonoMarshalNative encoding;
1742 MonoMarshalConv conv;
1745 case MONO_TYPE_VALUETYPE:
1746 /* FIXME: Optimize this */
1748 case MONO_TYPE_OBJECT:
1749 case MONO_TYPE_CLASS:
1750 if (t->data.klass == mono_defaults.stringbuilder_class) {
1752 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1756 case MONO_TYPE_STRING:
1757 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1758 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1764 static inline MonoMethod*
1765 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1769 mono_marshal_lock ();
1770 res = g_hash_table_lookup (cache, key);
1771 mono_marshal_unlock ();
1775 /* Create the method from the builder and place it in the cache */
1776 static inline MonoMethod*
1777 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1778 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1783 mono_marshal_lock ();
1784 res = g_hash_table_lookup (cache, key);
1786 /* This does not acquire any locks */
1787 res = mono_mb_create_method (mb, sig, max_stack);
1788 g_hash_table_insert (cache, key, res);
1789 g_hash_table_insert (wrapper_hash, res, key);
1791 mono_marshal_unlock ();
1797 static inline MonoMethod*
1798 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1800 MonoMethod *res = NULL;
1801 MonoRemotingMethods *wrps;
1803 mono_marshal_lock ();
1804 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1807 switch (wrapper_type) {
1808 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1809 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1810 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1811 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1815 mono_marshal_unlock ();
1819 /* Create the method from the builder and place it in the cache */
1820 static inline MonoMethod*
1821 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1822 MonoMethodSignature *sig, int max_stack)
1824 MonoMethod **res = NULL;
1825 MonoRemotingMethods *wrps;
1826 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1828 mono_marshal_lock ();
1829 wrps = g_hash_table_lookup (cache, key);
1831 wrps = g_new0 (MonoRemotingMethods, 1);
1832 g_hash_table_insert (cache, key, wrps);
1835 switch (mb->method->wrapper_type) {
1836 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1837 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1838 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1839 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1840 default: g_assert_not_reached (); break;
1844 /* This does not acquire any locks */
1845 *res = mono_mb_create_method (mb, sig, max_stack);
1846 g_hash_table_insert (wrapper_hash, *res, key);
1849 mono_marshal_unlock ();
1855 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1859 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1862 mono_marshal_lock ();
1863 res = g_hash_table_lookup (wrapper_hash, wrapper);
1864 mono_marshal_unlock ();
1869 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1871 MonoMethodSignature *sig;
1872 static MonoMethodSignature *csig = NULL;
1873 MonoMethodBuilder *mb;
1879 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1880 !strcmp (method->name, "BeginInvoke"));
1882 sig = signature_no_pinvoke (mono_method_signature (method));
1884 cache = method->klass->image->delegate_begin_invoke_cache;
1885 if ((res = mono_marshal_find_in_cache (cache, sig)))
1888 g_assert (sig->hasthis);
1891 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1893 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1894 csig->ret = &mono_defaults.object_class->byval_arg;
1895 csig->params [0] = &mono_defaults.object_class->byval_arg;
1896 csig->params [1] = &mono_defaults.int_class->byval_arg;
1899 name = mono_signature_to_name (sig, "begin_invoke");
1900 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1903 mb->method->save_lmf = 1;
1905 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1907 mono_mb_emit_ldarg (mb, 0);
1908 mono_mb_emit_ldloc (mb, params_var);
1909 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1910 emit_thread_interrupt_checkpoint (mb);
1911 mono_mb_emit_byte (mb, CEE_RET);
1913 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1919 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1921 MonoDomain *domain = mono_domain_get ();
1922 MonoAsyncResult *ares;
1923 MonoMethod *method = NULL;
1924 MonoMethodSignature *sig;
1925 MonoMethodMessage *msg;
1926 MonoObject *res, *exc;
1927 MonoArray *out_args;
1930 g_assert (delegate);
1932 if (!delegate->method_info || !delegate->method_info->method)
1933 g_assert_not_reached ();
1935 klass = delegate->object.vtable->klass;
1937 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
1938 g_assert (method != NULL);
1940 sig = signature_no_pinvoke (mono_method_signature (method));
1942 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1944 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1947 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1948 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1949 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1950 mono_message_init (domain, msg, delegate->method_info, NULL);
1951 msg->call_type = CallType_EndInvoke;
1952 msg->async_result = ares;
1953 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1956 res = mono_thread_pool_finish (ares, &out_args, &exc);
1959 if (((MonoException*)exc)->stack_trace) {
1960 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1962 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1964 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1967 mono_raise_exception ((MonoException*)exc);
1970 mono_method_return_message_restore (method, params, out_args);
1975 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1977 if (return_type->byref)
1978 return_type = &mono_defaults.int_class->byval_arg;
1979 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1980 return_type = return_type->data.klass->enum_basetype;
1982 switch (return_type->type) {
1983 case MONO_TYPE_VOID:
1984 g_assert_not_reached ();
1987 case MONO_TYPE_STRING:
1988 case MONO_TYPE_CLASS:
1989 case MONO_TYPE_OBJECT:
1990 case MONO_TYPE_ARRAY:
1991 case MONO_TYPE_SZARRAY:
1995 case MONO_TYPE_BOOLEAN:
1996 mono_mb_emit_byte (mb, CEE_UNBOX);
1997 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1998 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2001 mono_mb_emit_byte (mb, CEE_UNBOX);
2002 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2003 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2006 case MONO_TYPE_CHAR:
2007 mono_mb_emit_byte (mb, CEE_UNBOX);
2008 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2009 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2012 mono_mb_emit_byte (mb, CEE_UNBOX);
2013 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2014 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2018 mono_mb_emit_byte (mb, CEE_UNBOX);
2019 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2020 mono_mb_emit_byte (mb, CEE_LDIND_I);
2023 mono_mb_emit_byte (mb, CEE_UNBOX);
2024 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2025 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2028 mono_mb_emit_byte (mb, CEE_UNBOX);
2029 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2030 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2034 mono_mb_emit_byte (mb, CEE_UNBOX);
2035 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2036 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2039 mono_mb_emit_byte (mb, CEE_UNBOX);
2040 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2041 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2044 mono_mb_emit_byte (mb, CEE_UNBOX);
2045 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2046 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2048 case MONO_TYPE_VALUETYPE: {
2050 mono_mb_emit_byte (mb, CEE_UNBOX);
2051 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2052 mono_mb_emit_i4 (mb, class);
2053 mono_mb_emit_byte (mb, CEE_LDOBJ);
2054 mono_mb_emit_i4 (mb, class);
2058 g_warning ("type 0x%x not handled", return_type->type);
2059 g_assert_not_reached ();
2062 mono_mb_emit_byte (mb, CEE_RET);
2066 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2068 MonoMethodSignature *sig;
2069 static MonoMethodSignature *csig = NULL;
2070 MonoMethodBuilder *mb;
2076 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2077 !strcmp (method->name, "EndInvoke"));
2079 sig = signature_no_pinvoke (mono_method_signature (method));
2081 cache = method->klass->image->delegate_end_invoke_cache;
2082 if ((res = mono_marshal_find_in_cache (cache, sig)))
2085 g_assert (sig->hasthis);
2088 csig = mono_metadata_signature_alloc (method->klass->image, 2);
2090 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
2091 csig->ret = &mono_defaults.object_class->byval_arg;
2092 csig->params [0] = &mono_defaults.object_class->byval_arg;
2093 csig->params [1] = &mono_defaults.int_class->byval_arg;
2096 name = mono_signature_to_name (sig, "end_invoke");
2097 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2100 mb->method->save_lmf = 1;
2102 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2104 mono_mb_emit_ldarg (mb, 0);
2105 mono_mb_emit_ldloc (mb, params_var);
2106 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
2107 emit_thread_interrupt_checkpoint (mb);
2109 if (sig->ret->type == MONO_TYPE_VOID) {
2110 mono_mb_emit_byte (mb, CEE_POP);
2111 mono_mb_emit_byte (mb, CEE_RET);
2113 mono_mb_emit_restore_result (mb, sig->ret);
2115 res = mono_mb_create_and_cache (cache, sig,
2116 mb, sig, sig->param_count + 16);
2123 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2125 MonoMethodMessage *msg;
2126 MonoTransparentProxy *this;
2127 MonoObject *res, *exc;
2128 MonoArray *out_args;
2130 this = *((MonoTransparentProxy **)params [0]);
2133 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2135 /* skip the this pointer */
2138 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2141 MonoMethodSignature *sig = mono_method_signature (method);
2142 int count = sig->param_count;
2143 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2145 for (i=0; i<count; i++) {
2146 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2147 if (class->valuetype) {
2148 if (sig->params [i]->byref)
2149 mparams[i] = *((gpointer *)params [i]);
2151 mparams[i] = params [i];
2153 mparams[i] = *((gpointer**)params [i]);
2157 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2160 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2162 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2165 mono_raise_exception ((MonoException *)exc);
2167 mono_method_return_message_restore (method, params, out_args);
2173 mono_marshal_get_remoting_invoke (MonoMethod *method)
2175 MonoMethodSignature *sig;
2176 static MonoMethodSignature *csig = NULL;
2177 MonoMethodBuilder *mb;
2183 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2186 sig = signature_no_pinvoke (mono_method_signature (method));
2188 /* we cant remote methods without this pointer */
2192 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2196 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2197 csig->params [0] = &mono_defaults.int_class->byval_arg;
2198 csig->params [1] = &mono_defaults.int_class->byval_arg;
2199 csig->ret = &mono_defaults.object_class->byval_arg;
2203 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2204 mb->method->save_lmf = 1;
2206 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2208 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2209 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2210 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2211 mono_mb_emit_ldloc (mb, params_var);
2212 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2213 emit_thread_interrupt_checkpoint (mb);
2215 if (sig->ret->type == MONO_TYPE_VOID) {
2216 mono_mb_emit_byte (mb, CEE_POP);
2217 mono_mb_emit_byte (mb, CEE_RET);
2219 mono_mb_emit_restore_result (mb, sig->ret);
2222 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2228 /* mono_get_xdomain_marshal_type()
2229 * Returns the kind of marshalling that a type needs for cross domain calls.
2231 static MonoXDomainMarshalType
2232 mono_get_xdomain_marshal_type (MonoType *t)
2235 case MONO_TYPE_VOID:
2236 g_assert_not_reached ();
2240 case MONO_TYPE_BOOLEAN:
2243 case MONO_TYPE_CHAR:
2250 return MONO_MARSHAL_NONE;
2251 case MONO_TYPE_STRING:
2252 return MONO_MARSHAL_COPY;
2253 case MONO_TYPE_ARRAY:
2254 case MONO_TYPE_SZARRAY: {
2255 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2256 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2257 return MONO_MARSHAL_COPY;
2262 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2263 return MONO_MARSHAL_COPY;
2265 return MONO_MARSHAL_SERIALIZE;
2269 /* mono_marshal_xdomain_copy_value
2270 * Makes a copy of "val" suitable for the current domain.
2273 mono_marshal_xdomain_copy_value (MonoObject *val)
2276 if (val == NULL) return NULL;
2278 domain = mono_domain_get ();
2280 switch (mono_object_class (val)->byval_arg.type) {
2281 case MONO_TYPE_VOID:
2282 g_assert_not_reached ();
2286 case MONO_TYPE_BOOLEAN:
2289 case MONO_TYPE_CHAR:
2295 case MONO_TYPE_R8: {
2296 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2298 case MONO_TYPE_STRING: {
2299 MonoString *str = (MonoString *) val;
2300 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2302 case MONO_TYPE_ARRAY:
2303 case MONO_TYPE_SZARRAY: {
2305 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2306 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2307 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2308 if (mt == MONO_MARSHAL_COPY) {
2309 int i, len = mono_array_length (acopy);
2310 for (i = 0; i < len; i++) {
2311 MonoObject *item = mono_array_get (acopy, gpointer, i);
2312 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2315 return (MonoObject *) acopy;
2319 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2320 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2321 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2322 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2323 newsb->length = oldsb->length;
2324 newsb->max_capacity = (gint32)0x7fffffff;
2325 return (MonoObject *) newsb;
2330 /* mono_marshal_xdomain_copy_out_value()
2331 * Copies the contents of the src instance into the dst instance. src and dst
2332 * must have the same type, and if they are arrays, the same size.
2335 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2337 if (src == NULL || dst == NULL) return;
2339 g_assert (mono_object_class (src) == mono_object_class (dst));
2341 switch (mono_object_class (src)->byval_arg.type) {
2342 case MONO_TYPE_ARRAY:
2343 case MONO_TYPE_SZARRAY: {
2344 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2345 if (mt == MONO_MARSHAL_SERIALIZE) return;
2346 if (mt == MONO_MARSHAL_COPY) {
2347 int i, len = mono_array_length ((MonoArray *)dst);
2348 for (i = 0; i < len; i++) {
2349 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2350 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2353 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2359 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2360 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2361 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2363 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2364 dst_sb->cached_str = NULL;
2365 dst_sb->length = src_sb->length;
2370 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2372 static MonoMethodSignature *csig = NULL;
2374 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2375 csig->params [0] = &mono_defaults.object_class->byval_arg;
2376 csig->ret = &mono_defaults.object_class->byval_arg;
2380 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2381 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2382 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2386 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2388 static MonoMethodSignature *csig = NULL;
2390 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2391 csig->params [0] = &mono_defaults.object_class->byval_arg;
2392 csig->params [1] = &mono_defaults.object_class->byval_arg;
2393 csig->ret = &mono_defaults.void_class->byval_arg;
2397 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2400 /* mono_marshal_supports_fast_xdomain()
2401 * Returns TRUE if the method can use the fast xdomain wrapper.
2404 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2406 return !method->klass->contextbound &&
2407 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2411 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2413 MonoDomain *current_domain = mono_domain_get ();
2414 MonoDomain *domain = mono_domain_get_by_id (id);
2416 if (!domain || !mono_domain_set (domain, FALSE))
2417 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2420 mono_thread_push_appdomain_ref (domain);
2422 mono_thread_pop_appdomain_ref ();
2424 return current_domain->domain_id;
2428 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2430 static MonoMethodSignature *csig = NULL;
2432 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2433 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2434 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2435 csig->ret = &mono_defaults.int32_class->byval_arg;
2439 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2442 /* mono_marshal_emit_load_domain_method ()
2443 * Loads into the stack a pointer to the code of the provided method for
2444 * the current domain.
2447 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2449 static MonoMethodSignature *csig = NULL;
2451 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2452 csig->params [0] = &mono_defaults.int_class->byval_arg;
2453 csig->ret = &mono_defaults.int_class->byval_arg;
2457 /* We need a pointer to the method for the running domain (not the domain
2458 * that compiles the method).
2460 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2461 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2462 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2463 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2466 /* mono_marshal_get_xappdomain_dispatch ()
2467 * Generates a method that dispatches a method call from another domain into
2468 * the current domain.
2471 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2473 MonoMethodSignature *sig, *csig;
2474 MonoMethodBuilder *mb;
2476 int i, j, param_index, copy_locals_base;
2477 MonoClass *ret_class = NULL;
2478 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2479 MonoExceptionClause *main_clause;
2480 MonoMethodHeader *header;
2482 gboolean copy_return;
2484 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2487 sig = mono_method_signature (method);
2488 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2491 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2492 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2493 csig->params [j++] = &byte_array_class->this_arg;
2494 csig->params [j++] = &byte_array_class->this_arg;
2495 for (i = 0; i < sig->param_count; i++) {
2496 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2497 csig->params [j++] = sig->params [i];
2500 csig->ret = sig->ret;
2502 csig->ret = &mono_defaults.void_class->byval_arg;
2504 csig->hasthis = FALSE;
2506 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2507 mb->method->save_lmf = 1;
2511 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2512 if (complex_count > 0)
2513 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2514 if (sig->ret->type != MONO_TYPE_VOID) {
2515 loc_return = mono_mb_add_local (mb, sig->ret);
2516 ret_class = mono_class_from_mono_type (sig->ret);
2521 main_clause = g_new0 (MonoExceptionClause, 1);
2522 main_clause->try_offset = mb->pos;
2524 /* Clean the call context */
2526 mono_mb_emit_byte (mb, CEE_LDNULL);
2527 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2528 mono_mb_emit_byte (mb, CEE_POP);
2530 /* Deserialize call data */
2532 mono_mb_emit_ldarg (mb, 1);
2533 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2534 mono_mb_emit_byte (mb, CEE_DUP);
2535 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2537 mono_mb_emit_byte (mb, 0);
2539 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2540 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2542 if (complex_count > 0)
2543 mono_mb_emit_stloc (mb, loc_array);
2545 mono_mb_emit_byte (mb, CEE_POP);
2547 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2549 /* Get the target object */
2551 mono_mb_emit_ldarg (mb, 0);
2552 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2554 /* Load the arguments */
2556 copy_locals_base = mb->locals;
2557 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2559 for (i = 0; i < sig->param_count; i++) {
2560 MonoType *pt = sig->params [i];
2561 MonoClass *pclass = mono_class_from_mono_type (pt);
2562 switch (marshal_types [i]) {
2563 case MONO_MARSHAL_SERIALIZE: {
2564 /* take the value from the serialized array */
2565 mono_mb_emit_ldloc (mb, loc_array);
2566 mono_mb_emit_icon (mb, j++);
2568 if (pclass->valuetype) {
2569 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2570 mono_mb_emit_byte (mb, CEE_UNBOX);
2571 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2573 mono_mb_emit_byte (mb, CEE_LDELEMA);
2574 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2577 if (pclass->valuetype) {
2578 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2579 mono_mb_emit_byte (mb, CEE_UNBOX);
2580 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2581 mono_mb_emit_byte (mb, CEE_LDOBJ);
2582 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2584 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2585 if (pclass != mono_defaults.object_class) {
2586 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2587 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2593 case MONO_MARSHAL_COPY_OUT: {
2594 /* Keep a local copy of the value since we need to copy it back after the call */
2595 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2596 mono_mb_emit_ldarg (mb, param_index++);
2597 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2598 mono_mb_emit_byte (mb, CEE_DUP);
2599 mono_mb_emit_stloc (mb, copy_local);
2602 case MONO_MARSHAL_COPY: {
2603 mono_mb_emit_ldarg (mb, param_index);
2605 mono_mb_emit_byte (mb, CEE_DUP);
2606 mono_mb_emit_byte (mb, CEE_DUP);
2607 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2608 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2609 mono_mb_emit_byte (mb, CEE_STIND_REF);
2611 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2616 case MONO_MARSHAL_NONE:
2617 mono_mb_emit_ldarg (mb, param_index++);
2622 /* Make the call to the real object */
2624 emit_thread_force_interrupt_checkpoint (mb);
2626 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2627 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2629 if (sig->ret->type != MONO_TYPE_VOID)
2630 mono_mb_emit_stloc (mb, loc_return);
2632 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2636 for (i = 0; i < sig->param_count; i++) {
2637 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2638 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2639 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2640 mono_mb_emit_ldarg (mb, param_index);
2641 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2646 /* Serialize the return values */
2648 if (complex_out_count > 0) {
2649 /* Reset parameters in the array that don't need to be serialized back */
2651 for (i = 0; i < sig->param_count; i++) {
2652 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2653 if (!sig->params [i]->byref) {
2654 mono_mb_emit_ldloc (mb, loc_array);
2655 mono_mb_emit_icon (mb, j);
2656 mono_mb_emit_byte (mb, CEE_LDNULL);
2657 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2662 /* Add the return value to the array */
2664 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2665 mono_mb_emit_ldloc (mb, loc_array);
2666 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2667 mono_mb_emit_ldloc (mb, loc_return);
2668 if (ret_class->valuetype) {
2669 mono_mb_emit_byte (mb, CEE_BOX);
2670 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2672 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2677 mono_mb_emit_ldarg (mb, 1);
2678 mono_mb_emit_ldloc (mb, loc_array);
2679 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2680 mono_mb_emit_byte (mb, CEE_STIND_REF);
2681 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2682 mono_mb_emit_ldarg (mb, 1);
2683 mono_mb_emit_ldloc (mb, loc_return);
2684 if (ret_class->valuetype) {
2685 mono_mb_emit_byte (mb, CEE_BOX);
2686 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2688 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2689 mono_mb_emit_byte (mb, CEE_STIND_REF);
2691 mono_mb_emit_ldarg (mb, 1);
2692 mono_mb_emit_byte (mb, CEE_LDNULL);
2693 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2694 mono_mb_emit_byte (mb, CEE_STIND_REF);
2697 mono_mb_emit_ldarg (mb, 2);
2698 mono_mb_emit_byte (mb, CEE_LDNULL);
2699 mono_mb_emit_byte (mb, CEE_STIND_REF);
2700 mono_mb_emit_byte (mb, CEE_LEAVE);
2701 pos_leave = mb->pos;
2702 mono_mb_emit_i4 (mb, 0);
2704 /* Main exception catch */
2705 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2706 main_clause->try_len = mb->pos - main_clause->try_offset;
2707 main_clause->data.catch_class = mono_defaults.object_class;
2710 main_clause->handler_offset = mb->pos;
2711 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2712 mono_mb_emit_stloc (mb, loc_serialized_exc);
2713 mono_mb_emit_ldarg (mb, 2);
2714 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2715 mono_mb_emit_byte (mb, CEE_STIND_REF);
2716 mono_mb_emit_byte (mb, CEE_LEAVE);
2717 mono_mb_emit_i4 (mb, 0);
2718 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2721 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2724 mono_mb_emit_ldloc (mb, loc_return);
2726 mono_mb_emit_byte (mb, CEE_RET);
2728 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2731 header = ((MonoMethodNormal *)res)->header;
2732 header->num_clauses = 1;
2733 header->clauses = main_clause;
2738 /* mono_marshal_get_xappdomain_invoke ()
2739 * Generates a fast remoting wrapper for cross app domain calls.
2742 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2744 MonoMethodSignature *sig;
2745 static MonoMethodSignature *sig_context_get;
2746 static MonoMethodSignature *sig_context_set;
2747 MonoMethodBuilder *mb;
2749 int i, j, complex_count, complex_out_count, copy_locals_base;
2751 MonoClass *ret_class = NULL;
2752 MonoMethod *xdomain_method;
2753 int ret_marshal_type = MONO_MARSHAL_NONE;
2754 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2755 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
2757 gboolean copy_return = FALSE;
2761 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2764 /* we cant remote methods without this pointer */
2765 if (!mono_method_signature (method)->hasthis)
2768 if (!mono_marshal_supports_fast_xdomain (method))
2769 return mono_marshal_get_remoting_invoke (method);
2771 mono_remoting_marshal_init ();
2773 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2776 sig = signature_no_pinvoke (mono_method_signature (method));
2778 if (sig_context_set == NULL) {
2779 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2780 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2781 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2782 sig_context_set->pinvoke = 1;
2784 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2785 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2786 sig_context_get->pinvoke = 1;
2789 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2790 mb->method->save_lmf = 1;
2792 /* Count the number of parameters that need to be serialized */
2794 marshal_types = alloca (sizeof (int) * sig->param_count);
2795 complex_count = complex_out_count = 0;
2796 for (i = 0; i < sig->param_count; i++) {
2797 MonoType *ptype = sig->params[i];
2798 int mt = mono_get_xdomain_marshal_type (ptype);
2800 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2801 * the copy will be made by reusing the original object instance
2803 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2804 mt = MONO_MARSHAL_COPY_OUT;
2805 else if (mt == MONO_MARSHAL_SERIALIZE) {
2807 if (ptype->byref) complex_out_count++;
2809 marshal_types [i] = mt;
2812 if (sig->ret->type != MONO_TYPE_VOID) {
2813 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2814 ret_class = mono_class_from_mono_type (sig->ret);
2815 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2820 if (complex_count > 0)
2821 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2822 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2823 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2825 loc_return = mono_mb_add_local (mb, sig->ret);
2826 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2827 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2828 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2830 /* Save thread domain data */
2832 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2833 mono_mb_emit_byte (mb, CEE_DUP);
2834 mono_mb_emit_stloc (mb, loc_context);
2836 /* If the thread is not running in the default context, it needs to go
2837 * through the whole remoting sink, since the context is going to change
2839 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2840 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2842 mono_mb_emit_byte (mb, 0);
2844 mono_mb_emit_ldarg (mb, 0);
2845 for (i = 0; i < sig->param_count; i++)
2846 mono_mb_emit_ldarg (mb, i + 1);
2848 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2849 mono_mb_emit_byte (mb, CEE_RET);
2850 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2852 /* Create the array that will hold the parameters to be serialized */
2854 if (complex_count > 0) {
2855 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 */
2856 mono_mb_emit_byte (mb, CEE_NEWARR);
2857 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2860 for (i = 0; i < sig->param_count; i++) {
2862 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2863 pclass = mono_class_from_mono_type (sig->params[i]);
2864 mono_mb_emit_byte (mb, CEE_DUP);
2865 mono_mb_emit_icon (mb, j);
2866 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2867 if (sig->params[i]->byref) {
2868 if (pclass->valuetype) {
2869 mono_mb_emit_byte (mb, CEE_LDOBJ);
2870 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2872 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2875 if (pclass->valuetype) {
2876 mono_mb_emit_byte (mb, CEE_BOX);
2877 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2879 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2882 mono_mb_emit_stloc (mb, loc_array);
2884 /* Serialize parameters */
2886 mono_mb_emit_ldloc (mb, loc_array);
2887 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2888 mono_mb_emit_stloc (mb, loc_serialized_data);
2890 mono_mb_emit_byte (mb, CEE_LDNULL);
2891 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2892 mono_mb_emit_stloc (mb, loc_serialized_data);
2895 /* Get the target domain id */
2897 mono_mb_emit_ldarg (mb, 0);
2898 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2899 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2900 mono_mb_emit_byte (mb, CEE_DUP);
2901 mono_mb_emit_stloc (mb, loc_real_proxy);
2903 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2904 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2905 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2909 mono_marshal_emit_switch_domain (mb);
2910 mono_mb_emit_stloc (mb, loc_old_domainid);
2912 /* Load the arguments */
2914 mono_mb_emit_ldloc (mb, loc_real_proxy);
2915 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2916 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2918 copy_locals_base = mb->locals;
2919 for (i = 0; i < sig->param_count; i++) {
2920 switch (marshal_types [i]) {
2921 case MONO_MARSHAL_SERIALIZE:
2923 case MONO_MARSHAL_COPY: {
2924 mono_mb_emit_ldarg (mb, i+1);
2925 if (sig->params [i]->byref) {
2926 /* make a local copy of the byref parameter. The real parameter
2927 * will be updated after the xdomain call
2929 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2930 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2931 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2932 mono_mb_emit_stloc (mb, copy_local);
2933 mono_mb_emit_ldloc_addr (mb, copy_local);
2937 case MONO_MARSHAL_COPY_OUT:
2938 case MONO_MARSHAL_NONE:
2939 mono_mb_emit_ldarg (mb, i+1);
2944 /* Make the call to the invoke wrapper in the target domain */
2946 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2947 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2948 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
2951 mono_mb_emit_stloc (mb, loc_return);
2955 mono_mb_emit_ldloc (mb, loc_old_domainid);
2956 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2957 mono_marshal_emit_switch_domain (mb);
2958 mono_mb_emit_byte (mb, CEE_POP);
2960 /* Restore thread domain data */
2962 mono_mb_emit_ldloc (mb, loc_context);
2963 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2965 /* if (loc_serialized_exc != null) ... */
2967 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2968 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2970 mono_mb_emit_byte (mb, 0);
2972 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2973 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2974 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2975 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2976 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2977 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2978 mono_mb_emit_byte (mb, CEE_THROW);
2979 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2981 /* copy back non-serialized output parameters */
2984 for (i = 0; i < sig->param_count; i++) {
2985 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2986 mono_mb_emit_ldarg (mb, i + 1);
2987 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2988 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2989 mono_mb_emit_byte (mb, CEE_STIND_REF);
2992 /* Deserialize out parameters */
2994 if (complex_out_count > 0) {
2995 mono_mb_emit_ldloc (mb, loc_serialized_data);
2996 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2997 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2998 mono_mb_emit_stloc (mb, loc_array);
3000 /* Copy back output parameters and return type */
3003 for (i = 0; i < sig->param_count; i++) {
3004 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3005 if (sig->params[i]->byref) {
3006 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3007 mono_mb_emit_ldarg (mb, i + 1);
3008 mono_mb_emit_ldloc (mb, loc_array);
3009 mono_mb_emit_icon (mb, j);
3010 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3011 if (pclass->valuetype) {
3012 mono_mb_emit_byte (mb, CEE_UNBOX);
3013 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3014 mono_mb_emit_byte (mb, CEE_LDOBJ);
3015 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3016 mono_mb_emit_byte (mb, CEE_STOBJ);
3017 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3019 if (pclass != mono_defaults.object_class) {
3020 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3021 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3023 mono_mb_emit_byte (mb, CEE_STIND_REF);
3029 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3030 mono_mb_emit_ldloc (mb, loc_array);
3031 mono_mb_emit_icon (mb, complex_count);
3032 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3033 if (ret_class->valuetype) {
3034 mono_mb_emit_byte (mb, CEE_UNBOX);
3035 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3036 mono_mb_emit_byte (mb, CEE_LDOBJ);
3037 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3040 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3041 mono_mb_emit_ldloc (mb, loc_serialized_data);
3042 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3043 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3044 if (ret_class->valuetype) {
3045 mono_mb_emit_byte (mb, CEE_UNBOX);
3046 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3047 mono_mb_emit_byte (mb, CEE_LDOBJ);
3048 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3049 } else if (ret_class != mono_defaults.object_class) {
3050 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3051 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3054 mono_mb_emit_ldloc (mb, loc_serialized_data);
3055 mono_mb_emit_byte (mb, CEE_DUP);
3056 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3058 mono_mb_emit_byte (mb, 0);
3059 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3061 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3062 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3063 mono_mb_emit_byte (mb, CEE_POP);
3067 mono_mb_emit_ldloc (mb, loc_return);
3068 if (ret_marshal_type == MONO_MARSHAL_COPY)
3069 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3072 mono_mb_emit_byte (mb, CEE_RET);
3074 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3081 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3083 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3084 return mono_marshal_get_xappdomain_invoke (method);
3086 return mono_marshal_get_remoting_invoke (method);
3089 G_GNUC_UNUSED static gpointer
3090 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3092 if (rp->target_domain_id != -1)
3093 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3095 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3099 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3101 MonoMethodSignature *sig;
3102 MonoMethodBuilder *mb;
3103 MonoMethod *res, *native;
3104 int i, pos, pos_rem;
3108 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3111 sig = signature_no_pinvoke (mono_method_signature (method));
3113 /* we cant remote methods without this pointer */
3114 g_assert (sig->hasthis);
3116 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3119 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3121 for (i = 0; i <= sig->param_count; i++)
3122 mono_mb_emit_ldarg (mb, i);
3124 mono_mb_emit_ldarg (mb, 0);
3125 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3127 if (mono_marshal_supports_fast_xdomain (method)) {
3128 mono_mb_emit_ldarg (mb, 0);
3129 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3131 /* wrapper for cross app domain calls */
3132 native = mono_marshal_get_xappdomain_invoke (method);
3133 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3134 mono_mb_emit_byte (mb, CEE_RET);
3136 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3138 /* wrapper for normal remote calls */
3139 native = mono_marshal_get_remoting_invoke (method);
3140 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3141 mono_mb_emit_byte (mb, CEE_RET);
3144 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3145 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3146 mono_mb_emit_byte (mb, CEE_RET);
3148 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3155 * the returned method invokes all methods in a multicast delegate
3158 mono_marshal_get_delegate_invoke (MonoMethod *method)
3160 MonoMethodSignature *sig, *static_sig;
3162 MonoMethodBuilder *mb;
3168 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3169 !strcmp (method->name, "Invoke"));
3171 sig = signature_no_pinvoke (mono_method_signature (method));
3173 cache = method->klass->image->delegate_invoke_cache;
3174 if ((res = mono_marshal_find_in_cache (cache, sig)))
3177 static_sig = mono_metadata_signature_dup (sig);
3178 static_sig->hasthis = 0;
3180 name = mono_signature_to_name (sig, "invoke");
3181 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3184 /* allocate local 0 (object) */
3185 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3187 g_assert (sig->hasthis);
3191 * prev.Invoke( args .. );
3192 * return this.<target>( args .. );
3195 /* this wrapper can be used in unmanaged-managed transitions */
3196 emit_thread_interrupt_checkpoint (mb);
3198 /* get this->prev */
3199 mono_mb_emit_ldarg (mb, 0);
3200 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3201 mono_mb_emit_byte (mb, CEE_LDIND_I );
3202 mono_mb_emit_stloc (mb, 0);
3204 /* if prev != null */
3205 mono_mb_emit_ldloc (mb, 0);
3206 mono_mb_emit_byte (mb, CEE_BRFALSE);
3209 mono_mb_emit_i4 (mb, 0);
3212 mono_mb_emit_ldloc (mb, 0);
3213 for (i = 0; i < sig->param_count; i++)
3214 mono_mb_emit_ldarg (mb, i + 1);
3215 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3216 if (sig->ret->type != MONO_TYPE_VOID)
3217 mono_mb_emit_byte (mb, CEE_POP);
3219 /* continued or prev == null */
3220 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3222 /* get this->target */
3223 mono_mb_emit_ldarg (mb, 0);
3224 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3225 mono_mb_emit_byte (mb, CEE_LDIND_I );
3226 mono_mb_emit_stloc (mb, 0);
3228 /* if target != null */
3229 mono_mb_emit_ldloc (mb, 0);
3230 mono_mb_emit_byte (mb, CEE_BRFALSE);
3232 mono_mb_emit_i4 (mb, 0);
3234 /* then call this->method_ptr nonstatic */
3235 mono_mb_emit_ldloc (mb, 0);
3236 for (i = 0; i < sig->param_count; ++i)
3237 mono_mb_emit_ldarg (mb, i + 1);
3238 mono_mb_emit_ldarg (mb, 0);
3239 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3240 mono_mb_emit_byte (mb, CEE_LDIND_I );
3241 mono_mb_emit_byte (mb, CEE_CALLI);
3242 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3244 mono_mb_emit_byte (mb, CEE_BR);
3246 mono_mb_emit_i4 (mb, 0);
3248 /* else [target == null] call this->method_ptr static */
3249 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3251 for (i = 0; i < sig->param_count; ++i)
3252 mono_mb_emit_ldarg (mb, i + 1);
3253 mono_mb_emit_ldarg (mb, 0);
3254 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3255 mono_mb_emit_byte (mb, CEE_LDIND_I );
3256 mono_mb_emit_byte (mb, CEE_CALLI);
3257 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3260 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3261 mono_mb_emit_byte (mb, CEE_RET);
3263 res = mono_mb_create_and_cache (cache, sig,
3264 mb, sig, sig->param_count + 16);
3271 * signature_dup_add_this:
3273 * Make a copy of @sig, adding an explicit this argument.
3275 static MonoMethodSignature*
3276 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3278 MonoMethodSignature *res;
3281 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3282 memcpy (res, sig, sizeof (MonoMethodSignature));
3283 res->param_count = sig->param_count + 1;
3284 res->hasthis = FALSE;
3285 for (i = sig->param_count - 1; i >= 0; i --)
3286 res->params [i + 1] = sig->params [i];
3287 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3294 MonoMethodSignature *sig;
3300 * generates IL code for the runtime invoke function
3301 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3303 * we also catch exceptions if exc != null
3306 mono_marshal_get_runtime_invoke (MonoMethod *method)
3308 MonoMethodSignature *sig, *csig, *callsig;
3309 MonoExceptionClause *clause;
3310 MonoMethodHeader *header;
3311 MonoMethodBuilder *mb;
3312 GHashTable *cache = NULL;
3313 MonoClass *target_klass;
3314 MonoMethod *res = NULL;
3316 static MonoString *string_dummy = NULL;
3317 static MonoMethodSignature *dealy_abort_sig = NULL;
3323 target_klass = method->klass;
3325 mono_marshal_lock ();
3327 if (method->string_ctor) {
3328 static GSList *strsig_list = NULL;
3332 for (item = strsig_list; item; item = item->next) {
3334 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
3340 callsig = mono_metadata_signature_dup (mono_method_signature (method));
3341 callsig->ret = &mono_defaults.string_class->byval_arg;
3342 cs = g_new (CtorSigPair, 1);
3345 strsig_list = g_slist_prepend (strsig_list, cs);
3348 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
3350 * Valuetype methods receive a managed pointer as the this argument.
3351 * Create a new signature to reflect this.
3353 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
3356 callsig = mono_method_signature (method);
3359 cache = method->klass->image->runtime_invoke_cache;
3361 /* from mono_marshal_find_in_cache */
3362 res = g_hash_table_lookup (cache, callsig);
3363 mono_marshal_unlock ();
3369 if (!dealy_abort_sig) {
3370 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3371 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3372 dealy_abort_sig->pinvoke = 0;
3375 target_klass = mono_defaults.object_class;
3377 /* to make it work with our special string constructors */
3378 if (!string_dummy) {
3379 MONO_GC_REGISTER_ROOT (string_dummy);
3380 string_dummy = mono_string_new_wrapper ("dummy");
3383 sig = mono_method_signature (method);
3385 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3387 csig->ret = &mono_defaults.object_class->byval_arg;
3388 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3389 csig->params [0] = callsig->params [0];
3391 csig->params [0] = &mono_defaults.object_class->byval_arg;
3392 csig->params [1] = &mono_defaults.int_class->byval_arg;
3393 csig->params [2] = &mono_defaults.int_class->byval_arg;
3394 csig->params [3] = &mono_defaults.int_class->byval_arg;
3396 name = mono_signature_to_name (callsig, "runtime_invoke");
3397 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3400 /* allocate local 0 (object) tmp */
3401 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3402 /* allocate local 1 (object) exc */
3403 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3405 /* cond set *exc to null */
3406 mono_mb_emit_byte (mb, CEE_LDARG_2);
3407 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3408 mono_mb_emit_byte (mb, 3);
3409 mono_mb_emit_byte (mb, CEE_LDARG_2);
3410 mono_mb_emit_byte (mb, CEE_LDNULL);
3411 mono_mb_emit_byte (mb, CEE_STIND_I);
3413 emit_thread_force_interrupt_checkpoint (mb);
3416 if (method->string_ctor) {
3417 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3418 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3419 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3421 mono_mb_emit_ldarg (mb, 0);
3425 for (i = 0; i < sig->param_count; i++) {
3426 MonoType *t = sig->params [i];
3429 mono_mb_emit_ldarg (mb, 1);
3431 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3432 mono_mb_emit_byte (mb, CEE_ADD);
3434 mono_mb_emit_byte (mb, CEE_LDIND_I);
3439 type = sig->params [i]->type;
3443 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3445 case MONO_TYPE_BOOLEAN:
3447 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3450 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3453 case MONO_TYPE_CHAR:
3454 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3458 mono_mb_emit_byte (mb, CEE_LDIND_I);
3461 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3464 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3467 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3470 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3474 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3476 case MONO_TYPE_STRING:
3477 case MONO_TYPE_CLASS:
3478 case MONO_TYPE_ARRAY:
3480 case MONO_TYPE_SZARRAY:
3481 case MONO_TYPE_OBJECT:
3484 case MONO_TYPE_VALUETYPE:
3485 if (t->data.klass->enumtype) {
3486 type = t->data.klass->enum_basetype->type;
3489 mono_mb_emit_byte (mb, CEE_LDOBJ);
3490 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3492 case MONO_TYPE_GENERICINST:
3493 t = &t->data.generic_class->container_class->byval_arg;
3497 g_assert_not_reached ();
3501 mono_mb_emit_ldarg (mb, 3);
3502 mono_mb_emit_calli (mb, callsig);
3504 if (sig->ret->byref) {
3506 g_assert_not_reached ();
3510 switch (sig->ret->type) {
3511 case MONO_TYPE_VOID:
3512 if (!method->string_ctor)
3513 mono_mb_emit_byte (mb, CEE_LDNULL);
3515 case MONO_TYPE_BOOLEAN:
3516 case MONO_TYPE_CHAR:
3529 case MONO_TYPE_VALUETYPE:
3530 case MONO_TYPE_TYPEDBYREF:
3531 case MONO_TYPE_GENERICINST:
3532 /* box value types */
3533 mono_mb_emit_byte (mb, CEE_BOX);
3534 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3536 case MONO_TYPE_STRING:
3537 case MONO_TYPE_CLASS:
3538 case MONO_TYPE_ARRAY:
3539 case MONO_TYPE_SZARRAY:
3540 case MONO_TYPE_OBJECT:
3545 g_assert_not_reached ();
3548 mono_mb_emit_stloc (mb, 0);
3550 mono_mb_emit_byte (mb, CEE_LEAVE);
3552 mono_mb_emit_i4 (mb, 0);
3554 clause = g_new0 (MonoExceptionClause, 1);
3555 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3556 clause->try_len = mb->pos;
3559 clause->data.filter_offset = mb->pos;
3561 mono_mb_emit_byte (mb, CEE_POP);
3562 mono_mb_emit_byte (mb, CEE_LDARG_2);
3563 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3564 mono_mb_emit_byte (mb, CEE_PREFIX1);
3565 mono_mb_emit_byte (mb, CEE_CGT_UN);
3566 mono_mb_emit_byte (mb, CEE_PREFIX1);
3567 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3569 clause->handler_offset = mb->pos;
3572 /* store exception */
3573 mono_mb_emit_stloc (mb, 1);
3575 mono_mb_emit_byte (mb, CEE_LDARG_2);
3576 mono_mb_emit_ldloc (mb, 1);
3577 mono_mb_emit_byte (mb, CEE_STIND_I);
3579 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3580 mono_mb_emit_stloc (mb, 0);
3582 /* Check for the abort exception */
3583 mono_mb_emit_ldloc (mb, 1);
3584 mono_mb_emit_byte (mb, CEE_ISINST);
3585 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3586 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3588 mono_mb_emit_byte (mb, 0);
3590 /* Delay the abort exception */
3591 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3593 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3594 mono_mb_emit_byte (mb, CEE_LEAVE);
3595 mono_mb_emit_i4 (mb, 0);
3597 clause->handler_len = mb->pos - clause->handler_offset;
3600 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3601 mono_mb_emit_ldloc (mb, 0);
3602 mono_mb_emit_byte (mb, CEE_RET);
3604 /* taken from mono_mb_create_and_cache */
3605 mono_marshal_lock ();
3607 res = g_hash_table_lookup (cache, callsig);
3608 /* Somebody may have created it before us */
3610 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3611 g_hash_table_insert (cache, callsig, res);
3612 g_hash_table_insert (wrapper_hash, res, callsig);
3615 mono_marshal_unlock ();
3616 /* end mono_mb_create_and_cache */
3620 header = ((MonoMethodNormal *)res)->header;
3621 header->num_clauses = 1;
3622 header->clauses = clause;
3628 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
3630 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3631 klass->name_space, klass->name);
3633 mono_mb_emit_exception_marshal_directive (mb, msg);
3637 * mono_marshal_get_ldfld_remote_wrapper:
3638 * @klass: The return type
3640 * This method generates a wrapper for calling mono_load_remote_field_new with
3641 * the appropriate return type.
3644 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
3646 MonoMethodSignature *sig, *csig;
3647 MonoMethodBuilder *mb;
3649 static GHashTable *ldfld_hash = NULL;
3652 mono_marshal_lock ();
3654 ldfld_hash = g_hash_table_new (NULL, NULL);
3655 res = g_hash_table_lookup (ldfld_hash, klass);
3656 mono_marshal_unlock ();
3661 * This wrapper is similar to an icall wrapper but all the wrappers
3662 * call the same C function, but with a different signature.
3664 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3665 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
3668 mb->method->save_lmf = 1;
3670 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3671 sig->params [0] = &mono_defaults.object_class->byval_arg;
3672 sig->params [1] = &mono_defaults.int_class->byval_arg;
3673 sig->params [2] = &mono_defaults.int_class->byval_arg;
3674 sig->ret = &klass->this_arg;
3676 mono_mb_emit_ldarg (mb, 0);
3677 mono_mb_emit_ldarg (mb, 1);
3678 mono_mb_emit_ldarg (mb, 2);
3680 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3681 csig->params [0] = &mono_defaults.object_class->byval_arg;
3682 csig->params [1] = &mono_defaults.int_class->byval_arg;
3683 csig->params [2] = &mono_defaults.int_class->byval_arg;
3684 csig->ret = &klass->this_arg;
3687 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3688 emit_thread_interrupt_checkpoint (mb);
3690 mono_mb_emit_byte (mb, CEE_RET);
3692 res = mono_mb_create_and_cache (ldfld_hash, klass,
3693 mb, sig, sig->param_count + 16);
3700 * mono_marshal_get_ldfld_wrapper:
3701 * @type: the type of the field
3703 * This method generates a function which can be use to load a field with type
3704 * @type from an object. The generated function has the following signature:
3705 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
3708 mono_marshal_get_ldfld_wrapper (MonoType *type)
3710 MonoMethodSignature *sig;
3711 MonoMethodBuilder *mb;
3714 static GHashTable *ldfld_hash = NULL;
3716 int t, pos0, pos1 = 0;
3721 if (type->type == MONO_TYPE_SZARRAY) {
3722 klass = mono_defaults.array_class;
3723 } else if (type->type == MONO_TYPE_VALUETYPE) {
3724 klass = type->data.klass;
3725 if (klass->enumtype) {
3726 t = klass->enum_basetype->type;
3727 klass = mono_class_from_mono_type (klass->enum_basetype);
3729 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3730 t == MONO_TYPE_CLASS) {
3731 klass = mono_defaults.object_class;
3732 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3733 klass = mono_defaults.int_class;
3735 klass = mono_class_from_mono_type (type);
3738 klass = mono_defaults.int_class;
3741 mono_marshal_lock ();
3743 ldfld_hash = g_hash_table_new (NULL, NULL);
3744 res = g_hash_table_lookup (ldfld_hash, klass);
3745 mono_marshal_unlock ();
3749 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
3750 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
3753 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3754 sig->params [0] = &mono_defaults.object_class->byval_arg;
3755 sig->params [1] = &mono_defaults.int_class->byval_arg;
3756 sig->params [2] = &mono_defaults.int_class->byval_arg;
3757 sig->params [3] = &mono_defaults.int_class->byval_arg;
3758 sig->ret = &klass->byval_arg;
3760 mono_mb_emit_ldarg (mb, 0);
3761 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3763 mono_mb_emit_ldarg (mb, 0);
3764 mono_mb_emit_ldarg (mb, 1);
3765 mono_mb_emit_ldarg (mb, 2);
3767 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
3770 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3771 csig->params [0] = &mono_defaults.object_class->byval_arg;
3772 csig->params [1] = &mono_defaults.int_class->byval_arg;
3773 csig->params [2] = &mono_defaults.int_class->byval_arg;
3774 csig->ret = &klass->this_arg;
3777 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3778 emit_thread_interrupt_checkpoint (mb);
3781 if (klass->valuetype) {
3782 mono_mb_emit_byte (mb, CEE_UNBOX);
3783 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3784 mono_mb_emit_byte (mb, CEE_BR);
3786 mono_mb_emit_i4 (mb, 0);
3788 mono_mb_emit_byte (mb, CEE_RET);
3792 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3794 mono_mb_emit_ldarg (mb, 0);
3795 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3796 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3797 mono_mb_emit_ldarg (mb, 3);
3798 mono_mb_emit_byte (mb, CEE_ADD);
3800 if (klass->valuetype)
3801 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3806 case MONO_TYPE_BOOLEAN:
3807 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3809 case MONO_TYPE_CHAR:
3812 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3816 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3820 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3823 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3826 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3828 case MONO_TYPE_ARRAY:
3830 case MONO_TYPE_FNPTR:
3831 case MONO_TYPE_SZARRAY:
3832 case MONO_TYPE_OBJECT:
3833 case MONO_TYPE_CLASS:
3834 case MONO_TYPE_STRING:
3837 mono_mb_emit_byte (mb, CEE_LDIND_I);
3839 case MONO_TYPE_VALUETYPE:
3840 g_assert (!klass->enumtype);
3841 mono_mb_emit_byte (mb, CEE_LDOBJ);
3842 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3845 g_warning ("type %x not implemented", type->type);
3846 g_assert_not_reached ();
3849 mono_mb_emit_byte (mb, CEE_RET);
3851 res = mono_mb_create_and_cache (ldfld_hash, klass,
3852 mb, sig, sig->param_count + 16);
3859 * mono_marshal_get_stfld_remote_wrapper:
3860 * klass: The type of the field
3862 * This function generates a wrapper for calling mono_store_remote_field_new
3863 * with the appropriate signature.
3866 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
3868 MonoMethodSignature *sig, *csig;
3869 MonoMethodBuilder *mb;
3871 static GHashTable *stfld_hash = NULL;
3874 mono_marshal_lock ();
3876 stfld_hash = g_hash_table_new (NULL, NULL);
3877 res = g_hash_table_lookup (stfld_hash, klass);
3878 mono_marshal_unlock ();
3882 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3883 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
3886 mb->method->save_lmf = 1;
3888 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3889 sig->params [0] = &mono_defaults.object_class->byval_arg;
3890 sig->params [1] = &mono_defaults.int_class->byval_arg;
3891 sig->params [2] = &mono_defaults.int_class->byval_arg;
3892 sig->params [3] = &klass->byval_arg;
3893 sig->ret = &mono_defaults.void_class->byval_arg;
3895 mono_mb_emit_ldarg (mb, 0);
3896 mono_mb_emit_ldarg (mb, 1);
3897 mono_mb_emit_ldarg (mb, 2);
3898 mono_mb_emit_ldarg (mb, 3);
3900 if (klass->valuetype) {
3901 mono_mb_emit_byte (mb, CEE_BOX);
3902 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3905 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3906 csig->params [0] = &mono_defaults.object_class->byval_arg;
3907 csig->params [1] = &mono_defaults.int_class->byval_arg;
3908 csig->params [2] = &mono_defaults.int_class->byval_arg;
3909 csig->params [3] = &klass->byval_arg;
3910 csig->ret = &mono_defaults.void_class->byval_arg;
3913 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
3914 emit_thread_interrupt_checkpoint (mb);
3916 mono_mb_emit_byte (mb, CEE_RET);
3918 res = mono_mb_create_and_cache (stfld_hash, klass,
3919 mb, sig, sig->param_count + 16);
3926 * mono_marshal_get_stfld_wrapper:
3927 * @type: the type of the field
3929 * This method generates a function which can be use to store a field with type
3930 * @type. The generated function has the following signature:
3931 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
3934 mono_marshal_get_stfld_wrapper (MonoType *type)
3936 MonoMethodSignature *sig;
3937 MonoMethodBuilder *mb;
3940 static GHashTable *stfld_hash = NULL;
3947 if (type->type == MONO_TYPE_SZARRAY) {
3948 klass = mono_defaults.array_class;
3949 } else if (type->type == MONO_TYPE_VALUETYPE) {
3950 klass = type->data.klass;
3951 if (klass->enumtype) {
3952 t = klass->enum_basetype->type;
3953 klass = mono_class_from_mono_type (klass->enum_basetype);
3955 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3956 t == MONO_TYPE_CLASS) {
3957 klass = mono_defaults.object_class;
3958 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3959 klass = mono_defaults.int_class;
3961 klass = mono_class_from_mono_type (type);
3964 klass = mono_defaults.int_class;
3967 mono_marshal_lock ();
3969 stfld_hash = g_hash_table_new (NULL, NULL);
3970 res = g_hash_table_lookup (stfld_hash, klass);
3971 mono_marshal_unlock ();
3975 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
3976 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
3979 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
3980 sig->params [0] = &mono_defaults.object_class->byval_arg;
3981 sig->params [1] = &mono_defaults.int_class->byval_arg;
3982 sig->params [2] = &mono_defaults.int_class->byval_arg;
3983 sig->params [3] = &mono_defaults.int_class->byval_arg;
3984 sig->params [4] = &klass->byval_arg;
3985 sig->ret = &mono_defaults.void_class->byval_arg;
3987 mono_mb_emit_ldarg (mb, 0);
3988 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3990 mono_mb_emit_ldarg (mb, 0);
3991 mono_mb_emit_ldarg (mb, 1);
3992 mono_mb_emit_ldarg (mb, 2);
3993 mono_mb_emit_ldarg (mb, 4);
3995 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
3997 mono_mb_emit_byte (mb, CEE_RET);
3999 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4001 mono_mb_emit_ldarg (mb, 0);
4002 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4003 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4004 mono_mb_emit_ldarg (mb, 3);
4005 mono_mb_emit_byte (mb, CEE_ADD);
4006 mono_mb_emit_ldarg (mb, 4);
4011 case MONO_TYPE_BOOLEAN:
4012 mono_mb_emit_byte (mb, CEE_STIND_I1);
4014 case MONO_TYPE_CHAR:
4017 mono_mb_emit_byte (mb, CEE_STIND_I2);
4021 mono_mb_emit_byte (mb, CEE_STIND_I4);
4025 mono_mb_emit_byte (mb, CEE_STIND_I8);
4028 mono_mb_emit_byte (mb, CEE_STIND_R4);
4031 mono_mb_emit_byte (mb, CEE_STIND_R8);
4033 case MONO_TYPE_ARRAY:
4035 case MONO_TYPE_FNPTR:
4036 case MONO_TYPE_SZARRAY:
4037 case MONO_TYPE_OBJECT:
4038 case MONO_TYPE_CLASS:
4039 case MONO_TYPE_STRING:
4042 mono_mb_emit_byte (mb, CEE_STIND_I);
4044 case MONO_TYPE_VALUETYPE:
4045 g_assert (!klass->enumtype);
4046 mono_mb_emit_byte (mb, CEE_STOBJ);
4047 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4049 case MONO_TYPE_GENERICINST:
4050 mono_mb_emit_byte (mb, CEE_STOBJ);
4051 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4054 g_warning ("type %x not implemented", type->type);
4055 g_assert_not_reached ();
4058 mono_mb_emit_byte (mb, CEE_RET);
4060 res = mono_mb_create_and_cache (stfld_hash, klass,
4061 mb, sig, sig->param_count + 16);
4068 * generates IL code for the icall wrapper (the generated method
4069 * calls the unmanaged code in func)
4072 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4074 MonoMethodSignature *csig;
4075 MonoMethodBuilder *mb;
4079 g_assert (sig->pinvoke);
4081 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4083 mb->method->save_lmf = 1;
4085 /* we copy the signature, so that we can modify it */
4088 mono_mb_emit_byte (mb, CEE_LDARG_0);
4090 for (i = 0; i < sig->param_count; i++)
4091 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4093 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4094 emit_thread_interrupt_checkpoint (mb);
4095 mono_mb_emit_byte (mb, CEE_RET);
4097 csig = mono_metadata_signature_dup (sig);
4099 if (csig->call_convention == MONO_CALL_VARARG)
4100 csig->call_convention = 0;
4102 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4109 MonoMethodBuilder *mb;
4110 MonoMethodSignature *sig;
4111 MonoMethodPInvoke *piinfo;
4112 int *orig_conv_args; /* Locals containing the original values of byref args */
4114 MonoClass *retobj_class;
4115 } EmitMarshalContext;
4118 MARSHAL_ACTION_CONV_IN,
4119 MARSHAL_ACTION_PUSH,
4120 MARSHAL_ACTION_CONV_OUT,
4121 MARSHAL_ACTION_CONV_RESULT,
4122 MARSHAL_ACTION_MANAGED_CONV_IN,
4123 MARSHAL_ACTION_MANAGED_CONV_OUT,
4124 MARSHAL_ACTION_MANAGED_CONV_RESULT
4128 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4129 MonoMarshalSpec *spec,
4130 int conv_arg, MonoType **conv_arg_type,
4131 MarshalAction action)
4135 static MonoClass *ICustomMarshaler = NULL;
4136 static MonoMethod *cleanup_native, *cleanup_managed;
4137 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4138 MonoMethod *get_instance;
4139 MonoMethodBuilder *mb = m->mb;
4140 char *exception_msg = NULL;
4144 if (!ICustomMarshaler) {
4145 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4146 g_assert (ICustomMarshaler);
4148 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
4149 g_assert (cleanup_native);
4150 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
4151 g_assert (cleanup_managed);
4152 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
4153 g_assert (marshal_managed_to_native);
4154 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
4155 g_assert (marshal_native_to_managed);
4158 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4159 g_assert (mtype != NULL);
4160 mklass = mono_class_from_mono_type (mtype);
4161 g_assert (mklass != NULL);
4163 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4164 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4166 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4168 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4169 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4170 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4171 (get_sig->params [0]->type != MONO_TYPE_STRING))
4172 get_instance = NULL;
4176 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);
4178 /* Throw exception and emit compensation code if neccesary */
4179 if (exception_msg) {
4181 case MARSHAL_ACTION_CONV_IN:
4182 case MARSHAL_ACTION_CONV_RESULT:
4183 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4184 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4185 mono_mb_emit_byte (mb, CEE_POP);
4187 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4188 g_free (exception_msg);
4191 case MARSHAL_ACTION_PUSH:
4192 mono_mb_emit_byte (mb, CEE_LDNULL);
4200 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4201 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4204 case MARSHAL_ACTION_CONV_IN:
4206 case MONO_TYPE_CLASS:
4207 case MONO_TYPE_OBJECT:
4208 case MONO_TYPE_STRING:
4209 case MONO_TYPE_ARRAY:
4210 case MONO_TYPE_SZARRAY:
4211 case MONO_TYPE_VALUETYPE:
4215 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4216 g_assert_not_reached ();
4220 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4222 mono_mb_emit_byte (mb, CEE_LDNULL);
4223 mono_mb_emit_stloc (mb, conv_arg);
4225 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4228 /* Check for null */
4229 mono_mb_emit_ldarg (mb, argnum);
4231 mono_mb_emit_byte (mb, CEE_LDIND_I);
4232 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4234 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4236 mono_mb_emit_byte (mb, CEE_CALL);
4237 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4239 mono_mb_emit_ldarg (mb, argnum);
4241 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4243 if (t->type == MONO_TYPE_VALUETYPE) {
4245 * Since we can't determine the type of the argument, we
4246 * will assume the unmanaged function takes a pointer.
4248 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4250 mono_mb_emit_byte (mb, CEE_BOX);
4251 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4254 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4255 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4256 mono_mb_emit_stloc (mb, conv_arg);
4258 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4261 case MARSHAL_ACTION_CONV_OUT:
4262 /* Check for null */
4263 mono_mb_emit_ldloc (mb, conv_arg);
4264 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4267 mono_mb_emit_ldarg (mb, argnum);
4269 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4271 mono_mb_emit_byte (mb, CEE_CALL);
4272 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4274 mono_mb_emit_ldloc (mb, conv_arg);
4275 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4276 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4277 mono_mb_emit_byte (mb, CEE_STIND_I);
4280 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4282 mono_mb_emit_byte (mb, CEE_CALL);
4283 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4285 mono_mb_emit_ldloc (mb, conv_arg);
4287 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4288 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4290 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4293 case MARSHAL_ACTION_PUSH:
4295 mono_mb_emit_ldloc_addr (mb, conv_arg);
4297 mono_mb_emit_ldloc (mb, conv_arg);
4300 case MARSHAL_ACTION_CONV_RESULT:
4301 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4303 mono_mb_emit_stloc (mb, 3);
4305 mono_mb_emit_ldloc (mb, 3);
4306 mono_mb_emit_stloc (mb, loc1);
4308 /* Check for null */
4309 mono_mb_emit_ldloc (mb, 3);
4310 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4312 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4314 mono_mb_emit_byte (mb, CEE_CALL);
4315 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4316 mono_mb_emit_byte (mb, CEE_DUP);
4318 mono_mb_emit_ldloc (mb, 3);
4319 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4320 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4321 mono_mb_emit_stloc (mb, 3);
4323 mono_mb_emit_ldloc (mb, loc1);
4324 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4325 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4327 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4330 case MARSHAL_ACTION_MANAGED_CONV_IN:
4336 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4338 mono_mb_emit_byte (mb, CEE_LDNULL);
4339 mono_mb_emit_stloc (mb, conv_arg);
4341 /* Check for null */
4342 mono_mb_emit_ldarg (mb, argnum);
4343 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4345 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4346 mono_mb_emit_byte (mb, CEE_CALL);
4347 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4349 mono_mb_emit_ldarg (mb, argnum);
4351 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4352 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4353 mono_mb_emit_stloc (mb, conv_arg);
4355 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4358 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4359 g_assert (!t->byref);
4361 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4363 mono_mb_emit_stloc (mb, 3);
4365 mono_mb_emit_ldloc (mb, 3);
4366 mono_mb_emit_stloc (mb, loc1);
4368 /* Check for null */
4369 mono_mb_emit_ldloc (mb, 3);
4370 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4372 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4373 mono_mb_emit_byte (mb, CEE_CALL);
4374 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4375 mono_mb_emit_byte (mb, CEE_DUP);
4377 mono_mb_emit_ldloc (mb, 3);
4378 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4379 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4380 mono_mb_emit_stloc (mb, 3);
4382 mono_mb_emit_ldloc (mb, loc1);
4383 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4384 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4386 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4389 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4390 g_assert (!t->byref);
4392 /* Check for null */
4393 mono_mb_emit_ldloc (mb, conv_arg);
4394 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4396 /* Call CleanUpManagedData */
4397 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4399 mono_mb_emit_byte (mb, CEE_CALL);
4400 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4402 mono_mb_emit_ldloc (mb, conv_arg);
4403 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4404 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4406 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4410 g_assert_not_reached ();
4417 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4418 MonoMarshalSpec *spec,
4419 int conv_arg, MonoType **conv_arg_type,
4420 MarshalAction action)
4422 MonoMethodBuilder *mb = m->mb;
4425 case MARSHAL_ACTION_CONV_IN: {
4426 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4428 g_assert (t->type == MONO_TYPE_OBJECT);
4429 g_assert (!t->byref);
4431 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4432 mono_mb_emit_ldarg (mb, argnum);
4433 mono_mb_emit_icon (mb, encoding);
4434 mono_mb_emit_icall (mb, mono_marshal_asany);
4435 mono_mb_emit_stloc (mb, conv_arg);
4439 case MARSHAL_ACTION_PUSH:
4440 mono_mb_emit_ldloc (mb, conv_arg);
4443 case MARSHAL_ACTION_CONV_OUT: {
4444 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4446 mono_mb_emit_ldarg (mb, argnum);
4447 mono_mb_emit_ldloc (mb, conv_arg);
4448 mono_mb_emit_icon (mb, encoding);
4449 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4454 g_assert_not_reached ();
4461 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4462 MonoMarshalSpec *spec,
4463 int conv_arg, MonoType **conv_arg_type,
4464 MarshalAction action)
4466 MonoMethodBuilder *mb = m->mb;
4470 klass = t->data.klass;
4473 case MARSHAL_ACTION_CONV_IN:
4474 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4475 klass->blittable || klass->enumtype)
4478 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4480 /* store the address of the source into local variable 0 */
4482 mono_mb_emit_ldarg (mb, argnum);
4484 mono_mb_emit_ldarg_addr (mb, argnum);
4486 mono_mb_emit_stloc (mb, 0);
4488 /* allocate space for the native struct and
4489 * store the address into local variable 1 (dest) */
4490 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4491 mono_mb_emit_byte (mb, CEE_PREFIX1);
4492 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4493 mono_mb_emit_stloc (mb, conv_arg);
4496 mono_mb_emit_ldloc (mb, 0);
4497 mono_mb_emit_byte (mb, CEE_BRFALSE);
4499 mono_mb_emit_i4 (mb, 0);
4502 if (!(t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4504 mono_mb_emit_ldloc (mb, conv_arg);
4505 mono_mb_emit_byte (mb, CEE_STLOC_1);
4507 /* emit valuetype conversion code */
4508 emit_struct_conv (mb, klass, FALSE);
4512 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4515 case MARSHAL_ACTION_PUSH:
4516 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4517 klass->blittable || klass->enumtype) {
4518 mono_mb_emit_ldarg (mb, argnum);
4521 mono_mb_emit_ldloc (mb, conv_arg);
4523 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4524 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4525 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4529 case MARSHAL_ACTION_CONV_OUT:
4530 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4531 klass->blittable || klass->enumtype)
4535 /* dst = argument */
4536 mono_mb_emit_ldarg (mb, argnum);
4537 mono_mb_emit_byte (mb, CEE_STLOC_1);
4539 mono_mb_emit_ldloc (mb, 1);
4540 mono_mb_emit_byte (mb, CEE_BRFALSE);
4542 mono_mb_emit_i4 (mb, 0);
4544 /* src = tmp_locals [i] */
4545 mono_mb_emit_ldloc (mb, conv_arg);
4546 mono_mb_emit_stloc (mb, 0);
4548 /* emit valuetype conversion code */
4549 emit_struct_conv (mb, klass, TRUE);
4552 emit_struct_free (mb, klass, conv_arg);
4555 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4558 case MARSHAL_ACTION_CONV_RESULT:
4559 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4561 mono_mb_emit_stloc (mb, 3);
4564 /* load pointer to returned value type */
4565 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4566 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4567 /* store the address of the source into local variable 0 */
4568 mono_mb_emit_stloc (mb, 0);
4570 mono_mb_emit_ldloc_addr (mb, 3);
4571 mono_mb_emit_byte (mb, CEE_STLOC_1);
4573 /* emit valuetype conversion code */
4574 emit_struct_conv (mb, klass, TRUE);
4577 case MARSHAL_ACTION_MANAGED_CONV_IN:
4578 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4579 klass->blittable || klass->enumtype) {
4584 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4586 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4590 mono_mb_emit_ldarg (mb, argnum);
4592 mono_mb_emit_ldarg_addr (mb, argnum);
4593 mono_mb_emit_stloc (mb, 0);
4596 mono_mb_emit_ldloc (mb, 0);
4597 mono_mb_emit_byte (mb, CEE_BRFALSE);
4599 mono_mb_emit_i4 (mb, 0);
4602 mono_mb_emit_ldloc_addr (mb, conv_arg);
4603 mono_mb_emit_byte (mb, CEE_STLOC_1);
4605 /* emit valuetype conversion code */
4606 emit_struct_conv (mb, klass, TRUE);
4609 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4612 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4613 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4614 klass->blittable || klass->enumtype) {
4618 /* Check for null */
4619 mono_mb_emit_ldarg (mb, argnum);
4620 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4623 mono_mb_emit_ldloc_addr (mb, conv_arg);
4624 mono_mb_emit_stloc (mb, 0);
4627 mono_mb_emit_ldarg (mb, argnum);
4628 mono_mb_emit_byte (mb, CEE_STLOC_1);
4630 /* emit valuetype conversion code */
4631 emit_struct_conv (mb, klass, FALSE);
4633 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4636 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4637 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4638 klass->blittable || klass->enumtype) {
4639 mono_mb_emit_stloc (mb, 3);
4644 /* load pointer to returned value type */
4645 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4646 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4648 /* store the address of the source into local variable 0 */
4649 mono_mb_emit_stloc (mb, 0);
4650 /* allocate space for the native struct and
4651 * store the address into dst_ptr */
4652 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4653 m->retobj_class = klass;
4654 g_assert (m->retobj_var);
4655 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4656 mono_mb_emit_byte (mb, CEE_CONV_I);
4657 mono_mb_emit_icall (mb, mono_marshal_alloc);
4658 mono_mb_emit_byte (mb, CEE_STLOC_1);
4659 mono_mb_emit_ldloc (mb, 1);
4660 mono_mb_emit_stloc (mb, m->retobj_var);
4662 /* emit valuetype conversion code */
4663 emit_struct_conv (mb, klass, FALSE);
4667 g_assert_not_reached ();
4674 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4675 MonoMarshalSpec *spec,
4676 int conv_arg, MonoType **conv_arg_type,
4677 MarshalAction action)
4679 MonoMethodBuilder *mb = m->mb;
4680 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4681 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4685 case MARSHAL_ACTION_CONV_IN:
4686 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4687 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4690 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4693 mono_mb_emit_ldarg (mb, argnum);
4694 mono_mb_emit_byte (mb, CEE_LDIND_I);
4696 mono_mb_emit_ldarg (mb, argnum);
4700 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4701 MonoException *exc = mono_get_exception_not_implemented (msg);
4704 mono_raise_exception (exc);
4707 mono_mb_emit_icall (mb, conv_to_icall (conv));
4709 mono_mb_emit_stloc (mb, conv_arg);
4712 case MARSHAL_ACTION_CONV_OUT:
4713 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4714 mono_mb_emit_ldarg (mb, argnum);
4715 mono_mb_emit_ldloc (mb, conv_arg);
4716 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4717 mono_mb_emit_byte (mb, CEE_STIND_I);
4719 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4720 mono_mb_emit_ldloc (mb, conv_arg);
4721 mono_mb_emit_icall (mb, mono_marshal_free);
4726 case MARSHAL_ACTION_CONV_RESULT:
4727 mono_mb_emit_stloc (mb, 0);
4729 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4731 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4732 mono_mb_emit_exception_marshal_directive (mb, msg);
4736 mono_mb_emit_ldloc (mb, 0);
4737 mono_mb_emit_icall (mb, conv_to_icall (conv));
4738 mono_mb_emit_stloc (mb, 3);
4740 /* free the string */
4741 mono_mb_emit_ldloc (mb, 0);
4742 mono_mb_emit_icall (mb, g_free);
4745 case MARSHAL_ACTION_MANAGED_CONV_IN:
4751 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4752 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4754 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4756 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4757 mono_mb_emit_exception_marshal_directive (mb, msg);
4761 mono_mb_emit_ldarg (mb, argnum);
4762 mono_mb_emit_icall (mb, conv_to_icall (conv));
4763 mono_mb_emit_stloc (mb, conv_arg);
4766 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4767 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
4768 mono_mb_emit_stloc (mb, 3);
4772 g_assert_not_reached ();
4779 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4780 MonoMarshalSpec *spec,
4781 int conv_arg, MonoType **conv_arg_type,
4782 MarshalAction action)
4784 MonoMethodBuilder *mb = m->mb;
4785 MonoClass *klass = t->data.klass;
4789 case MARSHAL_ACTION_CONV_IN:
4790 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4791 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4793 m->orig_conv_args [argnum] = 0;
4795 if (klass->delegate) {
4796 g_assert (!t->byref);
4797 mono_mb_emit_ldarg (mb, argnum);
4798 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4799 mono_mb_emit_stloc (mb, conv_arg);
4800 } else if (klass == mono_defaults.stringbuilder_class) {
4801 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4802 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4804 g_assert (!t->byref);
4805 mono_mb_emit_ldarg (mb, argnum);
4808 mono_mb_emit_icall (mb, conv_to_icall (conv));
4810 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4811 MonoException *exc = mono_get_exception_not_implemented (msg);
4814 mono_raise_exception (exc);
4817 mono_mb_emit_stloc (mb, conv_arg);
4818 } else if (klass->blittable) {
4819 mono_mb_emit_ldarg (mb, argnum);
4820 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4821 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4822 mono_mb_emit_icon (mb, sizeof (MonoObject));
4823 mono_mb_emit_byte (mb, CEE_ADD);
4824 mono_mb_emit_stloc (mb, conv_arg);
4827 mono_mb_emit_byte (mb, CEE_LDNULL);
4828 mono_mb_emit_stloc (mb, conv_arg);
4831 /* we dont need any conversions for out parameters */
4832 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4835 mono_mb_emit_ldarg (mb, argnum);
4836 mono_mb_emit_byte (mb, CEE_LDIND_I);
4839 mono_mb_emit_ldarg (mb, argnum);
4840 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4841 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4844 /* store the address of the source into local variable 0 */
4845 mono_mb_emit_stloc (mb, 0);
4846 mono_mb_emit_ldloc (mb, 0);
4847 mono_mb_emit_byte (mb, CEE_BRFALSE);
4849 mono_mb_emit_i4 (mb, 0);
4851 /* allocate space for the native struct and store the address */
4852 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4853 mono_mb_emit_byte (mb, CEE_PREFIX1);
4854 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4855 mono_mb_emit_stloc (mb, conv_arg);
4858 /* Need to store the original buffer so we can free it later */
4859 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4860 mono_mb_emit_ldloc (mb, conv_arg);
4861 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
4864 /* set the src_ptr */
4865 mono_mb_emit_ldloc (mb, 0);
4866 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4867 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4868 mono_mb_emit_icon (mb, sizeof (MonoObject));
4869 mono_mb_emit_byte (mb, CEE_ADD);
4870 mono_mb_emit_stloc (mb, 0);
4873 mono_mb_emit_ldloc (mb, conv_arg);
4874 mono_mb_emit_byte (mb, CEE_STLOC_1);
4876 /* emit valuetype conversion code */
4877 emit_struct_conv (mb, klass, FALSE);
4879 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4883 case MARSHAL_ACTION_CONV_OUT:
4884 if (klass == mono_defaults.stringbuilder_class) {
4886 MonoMarshalNative encoding;
4887 MonoMarshalConv conv;
4889 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4890 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
4892 g_assert (!t->byref);
4893 g_assert (encoding != -1);
4895 mono_mb_emit_ldarg (mb, argnum);
4896 mono_mb_emit_ldloc (mb, conv_arg);
4898 mono_mb_emit_icall (mb, conv_to_icall (conv));
4901 mono_mb_emit_ldloc (mb, conv_arg);
4902 mono_mb_emit_icall (mb, mono_marshal_free);
4907 if (klass->delegate)
4910 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4911 /* allocate a new object */
4912 mono_mb_emit_ldarg (mb, argnum);
4913 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4914 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4915 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
4916 mono_mb_emit_byte (mb, CEE_STIND_I);
4919 /* dst = *argument */
4920 mono_mb_emit_ldarg (mb, argnum);
4923 mono_mb_emit_byte (mb, CEE_LDIND_I);
4925 mono_mb_emit_byte (mb, CEE_STLOC_1);
4927 mono_mb_emit_ldloc (mb, 1);
4928 mono_mb_emit_byte (mb, CEE_BRFALSE);
4930 mono_mb_emit_i4 (mb, 0);
4932 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4933 mono_mb_emit_ldloc (mb, 1);
4934 mono_mb_emit_icon (mb, sizeof (MonoObject));
4935 mono_mb_emit_byte (mb, CEE_ADD);
4936 mono_mb_emit_byte (mb, CEE_STLOC_1);
4938 /* src = tmp_locals [i] */
4939 mono_mb_emit_ldloc (mb, conv_arg);
4940 mono_mb_emit_stloc (mb, 0);
4942 /* emit valuetype conversion code */
4943 emit_struct_conv (mb, t->data.klass, TRUE);
4945 /* Free the structure returned by the native code */
4946 emit_struct_free (mb, klass, conv_arg);
4948 if (m->orig_conv_args [argnum]) {
4950 * If the native function changed the pointer, then free
4951 * the original structure plus the new pointer.
4953 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
4954 mono_mb_emit_ldloc (mb, conv_arg);
4955 mono_mb_emit_byte (mb, CEE_BEQ);
4957 mono_mb_emit_i4 (mb, 0);
4959 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
4960 g_assert (m->orig_conv_args [argnum]);
4962 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
4965 mono_mb_emit_ldloc (mb, conv_arg);
4966 mono_mb_emit_icall (mb, g_free);
4968 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4972 /* Free the original structure passed to native code */
4973 emit_struct_free (mb, klass, conv_arg);
4975 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4978 case MARSHAL_ACTION_CONV_RESULT:
4979 if (klass->delegate) {
4980 g_assert (!t->byref);
4981 mono_mb_emit_stloc (mb, 0);
4982 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4983 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
4984 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4985 mono_mb_emit_ldloc (mb, 0);
4986 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
4987 mono_mb_emit_stloc (mb, 3);
4990 mono_mb_emit_stloc (mb, 0);
4992 /* Make a copy since emit_conv modifies local 0 */
4993 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4994 mono_mb_emit_ldloc (mb, 0);
4995 mono_mb_emit_stloc (mb, loc);
4997 mono_mb_emit_byte (mb, CEE_LDNULL);
4998 mono_mb_emit_stloc (mb, 3);
5000 mono_mb_emit_ldloc (mb, 0);
5001 mono_mb_emit_byte (mb, CEE_BRFALSE);
5003 mono_mb_emit_i4 (mb, 0);
5005 /* allocate result object */
5007 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5008 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5009 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5010 mono_mb_emit_stloc (mb, 3);
5014 mono_mb_emit_ldloc (mb, 3);
5015 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5016 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5017 mono_mb_emit_icon (mb, sizeof (MonoObject));
5018 mono_mb_emit_byte (mb, CEE_ADD);
5019 mono_mb_emit_byte (mb, CEE_STLOC_1);
5021 /* emit conversion code */
5022 emit_struct_conv (mb, klass, TRUE);
5024 emit_struct_free (mb, klass, loc);
5026 /* Free the pointer allocated by unmanaged code */
5027 mono_mb_emit_ldloc (mb, loc);
5028 mono_mb_emit_icall (mb, g_free);
5029 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5033 case MARSHAL_ACTION_MANAGED_CONV_IN:
5034 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5036 if (klass->delegate) {
5037 g_assert (!t->byref);
5038 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5039 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5040 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5041 mono_mb_emit_ldarg (mb, argnum);
5042 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5043 mono_mb_emit_stloc (mb, conv_arg);
5047 /* The class can not have an automatic layout */
5048 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5049 mono_mb_emit_auto_layout_exception (mb, klass);
5053 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5054 mono_mb_emit_byte (mb, CEE_LDNULL);
5055 mono_mb_emit_stloc (mb, conv_arg);
5060 mono_mb_emit_ldarg (mb, argnum);
5064 /* Check for NULL and raise an exception */
5065 mono_mb_emit_byte (mb, CEE_BRTRUE);
5067 mono_mb_emit_i4 (mb, 0);
5069 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5071 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5072 mono_mb_emit_ldarg (mb, argnum);
5073 mono_mb_emit_byte (mb, CEE_LDIND_I);
5076 mono_mb_emit_stloc (mb, 0);
5078 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5079 mono_mb_emit_stloc (mb, conv_arg);
5081 mono_mb_emit_ldloc (mb, 0);
5082 mono_mb_emit_byte (mb, CEE_BRFALSE);
5084 mono_mb_emit_i4 (mb, 0);
5086 /* Create and set dst */
5087 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5088 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5089 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5090 mono_mb_emit_stloc (mb, conv_arg);
5091 mono_mb_emit_ldloc (mb, conv_arg);
5092 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5093 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5094 mono_mb_emit_icon (mb, sizeof (MonoObject));
5095 mono_mb_emit_byte (mb, CEE_ADD);
5096 mono_mb_emit_byte (mb, CEE_STLOC_1);
5098 /* emit valuetype conversion code */
5099 emit_struct_conv (mb, klass, TRUE);
5101 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5104 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5105 /* Check for null */
5106 mono_mb_emit_ldloc (mb, conv_arg);
5107 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5108 mono_mb_emit_ldarg (mb, argnum);
5109 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5110 mono_mb_emit_byte (mb, CEE_STIND_I);
5111 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5113 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5116 mono_mb_emit_ldloc (mb, conv_arg);
5117 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5118 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5119 mono_mb_emit_icon (mb, sizeof (MonoObject));
5120 mono_mb_emit_byte (mb, CEE_ADD);
5121 mono_mb_emit_stloc (mb, 0);
5123 /* Allocate and set dest */
5124 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5125 mono_mb_emit_byte (mb, CEE_CONV_I);
5126 mono_mb_emit_icall (mb, mono_marshal_alloc);
5127 mono_mb_emit_byte (mb, CEE_STLOC_1);
5129 /* Update argument pointer */
5130 mono_mb_emit_ldarg (mb, argnum);
5131 mono_mb_emit_ldloc (mb, 1);
5132 mono_mb_emit_byte (mb, CEE_STIND_I);
5134 /* emit valuetype conversion code */
5135 emit_struct_conv (mb, klass, FALSE);
5137 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5140 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5141 if (klass->delegate) {
5142 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5143 mono_mb_emit_stloc (mb, 3);
5147 /* The class can not have an automatic layout */
5148 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5149 mono_mb_emit_auto_layout_exception (mb, klass);
5153 mono_mb_emit_stloc (mb, 0);
5154 /* Check for null */
5155 mono_mb_emit_ldloc (mb, 0);
5156 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5157 mono_mb_emit_byte (mb, CEE_LDNULL);
5158 mono_mb_emit_stloc (mb, 3);
5159 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5161 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5164 mono_mb_emit_ldloc (mb, 0);
5165 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5166 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5167 mono_mb_emit_icon (mb, sizeof (MonoObject));
5168 mono_mb_emit_byte (mb, CEE_ADD);
5169 mono_mb_emit_stloc (mb, 0);
5171 /* Allocate and set dest */
5172 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5173 mono_mb_emit_byte (mb, CEE_CONV_I);
5174 mono_mb_emit_icall (mb, mono_marshal_alloc);
5175 mono_mb_emit_byte (mb, CEE_DUP);
5176 mono_mb_emit_byte (mb, CEE_STLOC_1);
5177 mono_mb_emit_stloc (mb, 3);
5179 emit_struct_conv (mb, klass, FALSE);
5181 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5185 g_assert_not_reached ();
5192 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5193 MonoMarshalSpec *spec,
5194 int conv_arg, MonoType **conv_arg_type,
5195 MarshalAction action)
5197 MonoMethodBuilder *mb = m->mb;
5198 MonoClass *klass = mono_class_from_mono_type (t);
5199 gboolean need_convert, need_free;
5200 MonoMarshalNative encoding;
5202 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5205 case MARSHAL_ACTION_CONV_IN:
5206 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5207 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5209 if (klass->element_class->blittable) {
5210 mono_mb_emit_ldarg (mb, argnum);
5212 mono_mb_emit_byte (mb, CEE_LDIND_I);
5213 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5214 mono_mb_emit_stloc (mb, conv_arg);
5218 guint32 label1, label2, label3;
5219 int index_var, src_var, dest_ptr, esize;
5220 MonoMarshalConv conv;
5221 gboolean is_string = FALSE;
5223 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5225 eklass = klass->element_class;
5227 if (eklass == mono_defaults.string_class) {
5229 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5231 else if (eklass == mono_defaults.stringbuilder_class) {
5233 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5238 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5239 mono_mb_emit_ldarg (mb, argnum);
5241 mono_mb_emit_byte (mb, CEE_LDIND_I);
5242 mono_mb_emit_stloc (mb, src_var);
5245 mono_mb_emit_ldloc (mb, src_var);
5246 mono_mb_emit_stloc (mb, conv_arg);
5247 mono_mb_emit_ldloc (mb, src_var);
5248 mono_mb_emit_byte (mb, CEE_BRFALSE);
5250 mono_mb_emit_i4 (mb, 0);
5254 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5255 MonoException *exc = mono_get_exception_not_implemented (msg);
5258 mono_raise_exception (exc);
5263 esize = sizeof (gpointer);
5265 esize = mono_class_native_size (eklass, NULL);
5267 /* allocate space for the native struct and store the address */
5268 mono_mb_emit_icon (mb, esize);
5269 mono_mb_emit_ldloc (mb, src_var);
5270 mono_mb_emit_byte (mb, CEE_LDLEN);
5272 if (eklass == mono_defaults.string_class) {
5273 /* Make the array bigger for the terminating null */
5274 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5275 mono_mb_emit_byte (mb, CEE_ADD);
5277 mono_mb_emit_byte (mb, CEE_MUL);
5278 mono_mb_emit_byte (mb, CEE_PREFIX1);
5279 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5280 mono_mb_emit_stloc (mb, conv_arg);
5282 mono_mb_emit_ldloc (mb, conv_arg);
5283 mono_mb_emit_stloc (mb, dest_ptr);
5285 /* Emit marshalling loop */
5286 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5287 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5288 mono_mb_emit_stloc (mb, index_var);
5290 mono_mb_emit_ldloc (mb, index_var);
5291 mono_mb_emit_ldloc (mb, src_var);
5292 mono_mb_emit_byte (mb, CEE_LDLEN);
5293 mono_mb_emit_byte (mb, CEE_BGE);
5295 mono_mb_emit_i4 (mb, 0);
5297 /* Emit marshalling code */
5300 mono_mb_emit_ldloc (mb, dest_ptr);
5301 mono_mb_emit_ldloc (mb, src_var);
5302 mono_mb_emit_ldloc (mb, index_var);
5303 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5304 mono_mb_emit_icall (mb, conv_to_icall (conv));
5305 mono_mb_emit_byte (mb, CEE_STIND_I);
5308 /* set the src_ptr */
5309 mono_mb_emit_ldloc (mb, src_var);
5310 mono_mb_emit_ldloc (mb, index_var);
5311 mono_mb_emit_byte (mb, CEE_LDELEMA);
5312 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5313 mono_mb_emit_stloc (mb, 0);
5316 mono_mb_emit_ldloc (mb, dest_ptr);
5317 mono_mb_emit_byte (mb, CEE_STLOC_1);
5319 /* emit valuetype conversion code */
5320 emit_struct_conv (mb, eklass, FALSE);
5323 mono_mb_emit_add_to_local (mb, index_var, 1);
5324 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5326 mono_mb_emit_byte (mb, CEE_BR);
5327 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5329 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5331 if (eklass == mono_defaults.string_class) {
5332 /* Null terminate */
5333 mono_mb_emit_ldloc (mb, dest_ptr);
5334 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5335 mono_mb_emit_byte (mb, CEE_STIND_REF);
5338 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5343 case MARSHAL_ACTION_CONV_OUT:
5344 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
5345 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);
5346 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5349 if (need_convert || need_free) {
5350 /* FIXME: Optimize blittable case */
5352 guint32 label1, label2, label3;
5353 int index_var, src_ptr, loc, esize;
5355 eklass = klass->element_class;
5356 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5357 esize = sizeof (gpointer);
5359 esize = mono_class_native_size (eklass, NULL);
5360 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5361 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5364 mono_mb_emit_ldarg (mb, argnum);
5366 mono_mb_emit_byte (mb, CEE_LDIND_I);
5367 mono_mb_emit_byte (mb, CEE_BRFALSE);
5369 mono_mb_emit_i4 (mb, 0);
5371 mono_mb_emit_ldloc (mb, conv_arg);
5372 mono_mb_emit_stloc (mb, src_ptr);
5374 /* Emit marshalling loop */
5375 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5376 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5377 mono_mb_emit_stloc (mb, index_var);
5379 mono_mb_emit_ldloc (mb, index_var);
5380 mono_mb_emit_ldarg (mb, argnum);
5382 mono_mb_emit_byte (mb, CEE_LDIND_I);
5383 mono_mb_emit_byte (mb, CEE_LDLEN);
5384 mono_mb_emit_byte (mb, CEE_BGE);
5386 mono_mb_emit_i4 (mb, 0);
5388 /* Emit marshalling code */
5390 if (eklass == mono_defaults.stringbuilder_class) {
5391 gboolean need_free2;
5392 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5394 g_assert (conv != -1);
5397 mono_mb_emit_ldarg (mb, argnum);
5399 mono_mb_emit_byte (mb, CEE_LDIND_I);
5400 mono_mb_emit_ldloc (mb, index_var);
5401 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5404 mono_mb_emit_ldloc (mb, src_ptr);
5405 mono_mb_emit_byte (mb, CEE_LDIND_I);
5407 mono_mb_emit_icall (mb, conv_to_icall (conv));
5411 mono_mb_emit_ldloc (mb, src_ptr);
5412 mono_mb_emit_byte (mb, CEE_LDIND_I);
5414 mono_mb_emit_icall (mb, mono_marshal_free);
5417 else if (eklass == mono_defaults.string_class) {
5420 mono_mb_emit_ldloc (mb, src_ptr);
5421 mono_mb_emit_byte (mb, CEE_LDIND_I);
5423 mono_mb_emit_icall (mb, mono_marshal_free);
5428 /* set the src_ptr */
5429 mono_mb_emit_ldloc (mb, src_ptr);
5430 mono_mb_emit_stloc (mb, 0);
5433 mono_mb_emit_ldarg (mb, argnum);
5435 mono_mb_emit_byte (mb, CEE_LDIND_I);
5436 mono_mb_emit_ldloc (mb, index_var);
5437 mono_mb_emit_byte (mb, CEE_LDELEMA);
5438 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5439 mono_mb_emit_byte (mb, CEE_STLOC_1);
5441 /* emit valuetype conversion code */
5442 emit_struct_conv (mb, eklass, TRUE);
5446 mono_mb_emit_ldloc (mb, src_ptr);
5447 mono_mb_emit_stloc (mb, loc);
5448 mono_mb_emit_ldloc (mb, loc);
5450 emit_struct_free (mb, eklass, loc);
5454 mono_mb_emit_add_to_local (mb, index_var, 1);
5455 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5457 mono_mb_emit_byte (mb, CEE_BR);
5458 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5460 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5461 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5465 case MARSHAL_ACTION_CONV_RESULT:
5466 /* fixme: we need conversions here */
5467 mono_mb_emit_stloc (mb, 3);
5470 case MARSHAL_ACTION_MANAGED_CONV_IN: {
5472 guint32 label1, label2, label3;
5473 int index_var, src_ptr, loc, esize, param_num, num_elem;
5474 MonoMarshalConv conv;
5475 gboolean is_string = FALSE;
5477 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5478 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5481 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
5482 mono_mb_emit_exception_marshal_directive (mb, msg);
5485 if (spec->native != MONO_NATIVE_LPARRAY) {
5486 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
5487 mono_mb_emit_exception_marshal_directive (mb, msg);
5491 /* FIXME: t is from the method which is wrapped, not the delegate type */
5492 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
5494 param_num = spec->data.array_data.param_num;
5495 num_elem = spec->data.array_data.num_elem;
5496 if (spec->data.array_data.elem_mult == 0)
5497 /* param_num is not specified */
5500 if (param_num == -1) {
5501 if (num_elem <= 0) {
5502 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
5503 mono_mb_emit_exception_marshal_directive (mb, msg);
5508 /* FIXME: Optimize blittable case */
5510 eklass = klass->element_class;
5511 if (eklass == mono_defaults.string_class) {
5513 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5515 else if (eklass == mono_defaults.stringbuilder_class) {
5517 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5522 mono_marshal_load_type_info (eklass);
5525 esize = sizeof (gpointer);
5527 esize = mono_class_native_size (eklass, NULL);
5528 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5529 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5531 mono_mb_emit_byte (mb, CEE_LDNULL);
5532 mono_mb_emit_stloc (mb, conv_arg);
5534 /* Check param index */
5535 if (param_num != -1) {
5536 if (param_num >= m->sig->param_count) {
5537 char *msg = g_strdup ("Array size control parameter index is out of range.");
5538 mono_mb_emit_exception_marshal_directive (mb, msg);
5541 switch (m->sig->params [param_num]->type) {
5554 char *msg = g_strdup ("Array size control parameter must be an integral type.");
5555 mono_mb_emit_exception_marshal_directive (mb, msg);
5562 mono_mb_emit_ldarg (mb, argnum);
5563 mono_mb_emit_byte (mb, CEE_BRFALSE);
5565 mono_mb_emit_i4 (mb, 0);
5567 mono_mb_emit_ldarg (mb, argnum);
5568 mono_mb_emit_stloc (mb, src_ptr);
5570 /* Create managed array */
5572 * The LPArray marshalling spec says that sometimes param_num starts
5573 * from 1, sometimes it starts from 0. But MS seems to allways start
5577 if (param_num == -1)
5578 mono_mb_emit_icon (mb, num_elem);
5580 /* FIXME: Add the two together */
5581 mono_mb_emit_ldarg (mb, param_num);
5583 mono_mb_emit_icon (mb, num_elem);
5584 mono_mb_emit_byte (mb, CEE_ADD);
5588 mono_mb_emit_byte (mb, CEE_NEWARR);
5589 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5590 mono_mb_emit_stloc (mb, conv_arg);
5592 if (eklass->blittable) {
5593 mono_mb_emit_ldloc (mb, conv_arg);
5594 mono_mb_emit_byte (mb, CEE_CONV_I);
5595 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5596 mono_mb_emit_byte (mb, CEE_ADD);
5597 mono_mb_emit_ldarg (mb, argnum);
5598 mono_mb_emit_ldloc (mb, conv_arg);
5599 mono_mb_emit_byte (mb, CEE_LDLEN);
5600 mono_mb_emit_icon (mb, esize);
5601 mono_mb_emit_byte (mb, CEE_MUL);
5602 mono_mb_emit_byte (mb, CEE_PREFIX1);
5603 mono_mb_emit_byte (mb, CEE_CPBLK);
5607 /* Emit marshalling loop */
5608 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5609 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5610 mono_mb_emit_stloc (mb, index_var);
5612 mono_mb_emit_ldloc (mb, index_var);
5613 mono_mb_emit_ldloc (mb, conv_arg);
5614 mono_mb_emit_byte (mb, CEE_LDLEN);
5615 mono_mb_emit_byte (mb, CEE_BGE);
5617 mono_mb_emit_i4 (mb, 0);
5619 /* Emit marshalling code */
5621 g_assert (conv != -1);
5623 mono_mb_emit_ldloc (mb, conv_arg);
5624 mono_mb_emit_ldloc (mb, index_var);
5626 mono_mb_emit_ldloc (mb, src_ptr);
5627 mono_mb_emit_byte (mb, CEE_LDIND_I);
5629 mono_mb_emit_icall (mb, conv_to_icall (conv));
5630 mono_mb_emit_byte (mb, CEE_STELEM_REF);
5633 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5634 mono_mb_emit_exception_marshal_directive (mb, msg);
5638 mono_mb_emit_add_to_local (mb, index_var, 1);
5639 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5641 mono_mb_emit_byte (mb, CEE_BR);
5642 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5644 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5645 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5649 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
5651 guint32 label1, label2, label3;
5652 int index_var, dest_ptr, loc, esize, param_num, num_elem;
5653 MonoMarshalConv conv;
5654 gboolean is_string = FALSE;
5656 /* These are already checked in CONV_IN */
5657 g_assert (!t->byref);
5658 g_assert (spec->native == MONO_NATIVE_LPARRAY);
5659 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
5661 param_num = spec->data.array_data.param_num;
5662 num_elem = spec->data.array_data.num_elem;
5664 if (spec->data.array_data.elem_mult == 0)
5665 /* param_num is not specified */
5668 if (param_num == -1) {
5669 if (num_elem <= 0) {
5670 g_assert_not_reached ();
5674 /* FIXME: Optimize blittable case */
5676 eklass = klass->element_class;
5677 if (eklass == mono_defaults.string_class) {
5679 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5681 else if (eklass == mono_defaults.stringbuilder_class) {
5683 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5688 mono_marshal_load_type_info (eklass);
5691 esize = sizeof (gpointer);
5693 esize = mono_class_native_size (eklass, NULL);
5695 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5696 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5699 mono_mb_emit_ldloc (mb, conv_arg);
5700 mono_mb_emit_byte (mb, CEE_BRFALSE);
5702 mono_mb_emit_i4 (mb, 0);
5704 mono_mb_emit_ldarg (mb, argnum);
5705 mono_mb_emit_stloc (mb, dest_ptr);
5707 if (eklass->blittable) {
5709 mono_mb_emit_ldarg (mb, argnum);
5711 mono_mb_emit_ldloc (mb, conv_arg);
5712 mono_mb_emit_byte (mb, CEE_CONV_I);
5713 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5714 mono_mb_emit_byte (mb, CEE_ADD);
5716 mono_mb_emit_ldloc (mb, conv_arg);
5717 mono_mb_emit_byte (mb, CEE_LDLEN);
5718 mono_mb_emit_icon (mb, esize);
5719 mono_mb_emit_byte (mb, CEE_MUL);
5720 mono_mb_emit_byte (mb, CEE_PREFIX1);
5721 mono_mb_emit_byte (mb, CEE_CPBLK);
5725 /* Emit marshalling loop */
5726 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5727 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5728 mono_mb_emit_stloc (mb, index_var);
5730 mono_mb_emit_ldloc (mb, index_var);
5731 mono_mb_emit_ldloc (mb, conv_arg);
5732 mono_mb_emit_byte (mb, CEE_LDLEN);
5733 mono_mb_emit_byte (mb, CEE_BGE);
5735 mono_mb_emit_i4 (mb, 0);
5737 /* Emit marshalling code */
5739 g_assert (conv != -1);
5742 mono_mb_emit_ldloc (mb, dest_ptr);
5745 mono_mb_emit_ldloc (mb, conv_arg);
5746 mono_mb_emit_ldloc (mb, index_var);
5748 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5750 mono_mb_emit_icall (mb, conv_to_icall (conv));
5751 mono_mb_emit_byte (mb, CEE_STIND_I);
5754 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5755 mono_mb_emit_exception_marshal_directive (mb, msg);
5759 mono_mb_emit_add_to_local (mb, index_var, 1);
5760 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5762 mono_mb_emit_byte (mb, CEE_BR);
5763 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5765 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5766 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5770 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
5772 guint32 label1, label2, label3;
5773 int index_var, src, dest, esize;
5774 MonoMarshalConv conv = -1;
5775 gboolean is_string = FALSE;
5777 g_assert (!t->byref);
5779 eklass = klass->element_class;
5781 mono_marshal_load_type_info (eklass);
5783 if (eklass == mono_defaults.string_class) {
5785 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5788 g_assert_not_reached ();
5792 esize = sizeof (gpointer);
5794 esize = mono_class_native_size (eklass, NULL);
5796 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5797 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5799 mono_mb_emit_stloc (mb, src);
5800 mono_mb_emit_ldloc (mb, src);
5801 mono_mb_emit_stloc (mb, 3);
5803 /* Check for null */
5804 mono_mb_emit_ldloc (mb, src);
5805 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5807 /* Allocate native array */
5808 mono_mb_emit_icon (mb, esize);
5809 mono_mb_emit_ldloc (mb, src);
5810 mono_mb_emit_byte (mb, CEE_LDLEN);
5812 if (eklass == mono_defaults.string_class) {
5813 /* Make the array bigger for the terminating null */
5814 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5815 mono_mb_emit_byte (mb, CEE_ADD);
5817 mono_mb_emit_byte (mb, CEE_MUL);
5818 mono_mb_emit_icall (mb, mono_marshal_alloc);
5819 mono_mb_emit_stloc (mb, dest);
5820 mono_mb_emit_ldloc (mb, dest);
5821 mono_mb_emit_stloc (mb, 3);
5823 /* Emit marshalling loop */
5824 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5825 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5826 mono_mb_emit_stloc (mb, index_var);
5828 mono_mb_emit_ldloc (mb, index_var);
5829 mono_mb_emit_ldloc (mb, src);
5830 mono_mb_emit_byte (mb, CEE_LDLEN);
5831 label3 = mono_mb_emit_branch (mb, CEE_BGE);
5833 /* Emit marshalling code */
5835 g_assert (conv != -1);
5838 mono_mb_emit_ldloc (mb, dest);
5841 mono_mb_emit_ldloc (mb, src);
5842 mono_mb_emit_ldloc (mb, index_var);
5844 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5846 mono_mb_emit_icall (mb, conv_to_icall (conv));
5847 mono_mb_emit_byte (mb, CEE_STIND_I);
5850 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
5851 mono_mb_emit_exception_marshal_directive (mb, msg);
5855 mono_mb_emit_add_to_local (mb, index_var, 1);
5856 mono_mb_emit_add_to_local (mb, dest, esize);
5858 mono_mb_emit_byte (mb, CEE_BR);
5859 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5861 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5862 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5866 g_assert_not_reached ();
5873 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5874 MonoMarshalSpec *spec,
5875 int conv_arg, MonoType **conv_arg_type,
5876 MarshalAction action)
5878 MonoMethodBuilder *mb = m->mb;
5881 case MARSHAL_ACTION_CONV_IN: {
5882 MonoType *local_type;
5883 int variant_bool = 0;
5887 local_type = &mono_defaults.int32_class->byval_arg;
5889 switch (spec->native) {
5890 case MONO_NATIVE_I1:
5891 local_type = &mono_defaults.byte_class->byval_arg;
5893 case MONO_NATIVE_VARIANTBOOL:
5894 local_type = &mono_defaults.int16_class->byval_arg;
5898 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5899 local_type = &mono_defaults.int32_class->byval_arg;
5903 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5904 conv_arg = mono_mb_add_local (mb, local_type);
5905 mono_mb_emit_ldarg (mb, argnum);
5906 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5908 mono_mb_emit_byte (mb, CEE_NEG);
5909 mono_mb_emit_stloc (mb, conv_arg);
5913 case MARSHAL_ACTION_CONV_RESULT:
5914 /* maybe we need to make sure that it fits within 8 bits */
5915 mono_mb_emit_stloc (mb, 3);
5919 g_assert_not_reached ();
5926 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
5927 MonoMarshalSpec *spec, int conv_arg,
5928 MonoType **conv_arg_type, MarshalAction action)
5931 case MARSHAL_ACTION_CONV_IN:
5932 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
5933 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
5934 mono_mb_emit_exception_marshal_directive (m->mb, msg);
5945 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5946 MonoMarshalSpec *spec, int conv_arg,
5947 MonoType **conv_arg_type, MarshalAction action)
5949 /* Ensure that we have marshalling info for this param */
5950 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5952 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5953 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5955 if (spec && spec->native == MONO_NATIVE_ASANY)
5956 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5959 case MONO_TYPE_VALUETYPE:
5960 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5961 case MONO_TYPE_STRING:
5962 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5963 case MONO_TYPE_CLASS:
5964 case MONO_TYPE_OBJECT:
5965 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5966 case MONO_TYPE_ARRAY:
5967 case MONO_TYPE_SZARRAY:
5968 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5969 case MONO_TYPE_BOOLEAN:
5970 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5972 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5979 * mono_marshal_emit_native_wrapper:
5980 * @sig: The signature of the native function
5981 * @piinfo: Marshalling information
5982 * @mspecs: Marshalling information
5983 * @func: the native function to call
5985 * generates IL code for the pinvoke wrapper, the generated code calls @func.
5988 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
5990 EmitMarshalContext m;
5991 MonoMethodSignature *csig;
5993 int i, argnum, *tmp_locals;
5999 /* we copy the signature, so that we can set pinvoke to 0 */
6000 csig = mono_metadata_signature_dup (sig);
6003 /* we allocate local for use with emit_struct_conv() */
6004 /* allocate local 0 (pointer) src_ptr */
6005 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6006 /* allocate local 1 (pointer) dst_ptr */
6007 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6008 /* allocate local 2 (boolean) delete_old */
6009 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6011 /* delete_old = FALSE */
6012 mono_mb_emit_icon (mb, 0);
6013 mono_mb_emit_stloc (mb, 2);
6015 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6016 /* allocate local 3 to store the return value */
6017 mono_mb_add_local (mb, sig->ret);
6020 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6021 /* Return type custom marshaling */
6023 * Since we can't determine the return type of the unmanaged function,
6024 * we assume it returns a pointer, and pass that pointer to
6025 * MarshalNativeToManaged.
6027 csig->ret = &mono_defaults.int_class->byval_arg;
6030 /* we first do all conversions */
6031 tmp_locals = alloca (sizeof (int) * sig->param_count);
6032 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
6034 for (i = 0; i < sig->param_count; i ++) {
6035 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
6038 /* push all arguments */
6041 mono_mb_emit_byte (mb, CEE_LDARG_0);
6043 for (i = 0; i < sig->param_count; i++) {
6044 MonoType *t = sig->params [i];
6045 MonoMarshalSpec *spec = mspecs [i + 1];
6047 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
6048 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
6050 argnum = i + sig->hasthis;
6053 case MONO_TYPE_BOOLEAN:
6055 g_assert (tmp_locals [i]);
6056 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6058 mono_mb_emit_ldarg (mb, argnum);
6073 mono_mb_emit_ldarg (mb, argnum);
6075 case MONO_TYPE_VALUETYPE:
6076 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
6078 case MONO_TYPE_STRING:
6079 case MONO_TYPE_CLASS:
6080 case MONO_TYPE_OBJECT:
6081 case MONO_TYPE_ARRAY:
6082 case MONO_TYPE_SZARRAY:
6083 g_assert (tmp_locals [i]);
6085 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6087 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6089 case MONO_TYPE_CHAR:
6090 /* fixme: dont know how to marshal that. We cant simply
6091 * convert it to a one byte UTF8 character, because an
6092 * unicode character may need more that one byte in UTF8 */
6093 mono_mb_emit_ldarg (mb, argnum);
6095 case MONO_TYPE_TYPEDBYREF:
6096 case MONO_TYPE_FNPTR:
6098 g_warning ("type 0x%02x unknown", t->type);
6099 g_assert_not_reached ();
6104 /* call the native method */
6105 mono_mb_emit_native_call (mb, csig, func);
6107 /* Set LastError if needed */
6108 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
6109 MonoMethodSignature *lasterr_sig;
6111 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
6112 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
6113 lasterr_sig->pinvoke = 1;
6115 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
6118 /* convert the result */
6119 if (!sig->ret->byref) {
6120 MonoMarshalSpec *spec = mspecs [0];
6121 type = sig->ret->type;
6123 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6124 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6129 case MONO_TYPE_VOID:
6144 /* no conversions necessary */
6145 mono_mb_emit_stloc (mb, 3);
6147 case MONO_TYPE_VALUETYPE:
6148 klass = sig->ret->data.klass;
6149 if (klass->enumtype) {
6150 type = sig->ret->data.klass->enum_basetype->type;
6153 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6155 case MONO_TYPE_STRING:
6156 case MONO_TYPE_CLASS:
6157 case MONO_TYPE_OBJECT:
6158 case MONO_TYPE_BOOLEAN:
6159 case MONO_TYPE_ARRAY:
6160 case MONO_TYPE_SZARRAY:
6161 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6163 case MONO_TYPE_CHAR:
6164 /* fixme: we need conversions here */
6165 mono_mb_emit_stloc (mb, 3);
6167 case MONO_TYPE_TYPEDBYREF:
6168 case MONO_TYPE_FNPTR:
6170 g_warning ("return type 0x%02x unknown", sig->ret->type);
6171 g_assert_not_reached ();
6175 mono_mb_emit_stloc (mb, 3);
6179 * Need to call this after converting the result since MONO_VTADDR needs
6180 * to be adjacent to the call instruction.
6182 emit_thread_interrupt_checkpoint (mb);
6184 /* we need to convert byref arguments back and free string arrays */
6185 for (i = 0; i < sig->param_count; i++) {
6186 MonoType *t = sig->params [i];
6187 MonoMarshalSpec *spec = mspecs [i + 1];
6189 argnum = i + sig->hasthis;
6191 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
6192 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6197 case MONO_TYPE_STRING:
6198 case MONO_TYPE_VALUETYPE:
6199 case MONO_TYPE_CLASS:
6200 case MONO_TYPE_OBJECT:
6201 case MONO_TYPE_SZARRAY:
6202 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6204 case MONO_TYPE_BOOLEAN:
6207 mono_mb_emit_ldarg (mb, argnum);
6208 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6209 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
6210 mono_mb_emit_byte (mb, CEE_NEG);
6211 mono_mb_emit_byte (mb, CEE_STIND_I1);
6215 if (!MONO_TYPE_IS_VOID(sig->ret))
6216 mono_mb_emit_ldloc (mb, 3);
6218 mono_mb_emit_byte (mb, CEE_RET);
6222 * mono_marshal_get_native_wrapper:
6223 * @method: The MonoMethod to wrap.
6225 * generates IL code for the pinvoke wrapper (the generated method
6226 * calls the unmanaged code in piinfo->addr)
6229 mono_marshal_get_native_wrapper (MonoMethod *method)
6231 MonoMethodSignature *sig, *csig;
6232 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
6233 MonoMethodBuilder *mb;
6234 MonoMarshalSpec **mspecs;
6237 gboolean pinvoke = FALSE;
6239 const char *exc_class = "MissingMethodException";
6240 const char *exc_arg = NULL;
6242 g_assert (method != NULL);
6243 g_assert (mono_method_signature (method)->pinvoke);
6245 cache = method->klass->image->native_wrapper_cache;
6246 if ((res = mono_marshal_find_in_cache (cache, method)))
6249 sig = mono_method_signature (method);
6251 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6252 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
6255 if (!piinfo->addr) {
6257 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
6259 piinfo->addr = mono_lookup_internal_call (method);
6262 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6264 mb->method->save_lmf = 1;
6266 if (!piinfo->addr) {
6267 mono_mb_emit_exception (mb, exc_class, exc_arg);
6268 csig = mono_metadata_signature_dup (sig);
6270 res = mono_mb_create_and_cache (cache, method,
6271 mb, csig, csig->param_count + 16);
6276 /* internal calls: we simply push all arguments and call the method (no conversions) */
6277 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
6279 /* hack - string constructors returns a value */
6280 if (method->string_ctor) {
6281 csig = mono_metadata_signature_dup (sig);
6282 csig->ret = &mono_defaults.string_class->byval_arg;
6287 mono_mb_emit_byte (mb, CEE_LDARG_0);
6289 for (i = 0; i < sig->param_count; i++)
6290 mono_mb_emit_ldarg (mb, i + sig->hasthis);
6292 g_assert (piinfo->addr);
6293 mono_mb_emit_native_call (mb, csig, piinfo->addr);
6294 emit_thread_interrupt_checkpoint (mb);
6295 mono_mb_emit_byte (mb, CEE_RET);
6297 csig = mono_metadata_signature_dup (csig);
6299 res = mono_mb_create_and_cache (cache, method,
6300 mb, csig, csig->param_count + 16);
6307 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
6308 mono_method_get_marshal_info (method, mspecs);
6310 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
6312 csig = mono_metadata_signature_dup (sig);
6314 res = mono_mb_create_and_cache (cache, method,
6315 mb, csig, csig->param_count + 16);
6318 for (i = sig->param_count; i >= 0; i--)
6320 mono_metadata_free_marshal_spec (mspecs [i]);
6323 /* 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)); */
6329 * mono_marshal_get_native_func_wrapper:
6330 * @sig: The signature of the function
6331 * @func: The native function to wrap
6333 * Returns a wrapper method around native functions, similar to the pinvoke
6337 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
6338 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6340 MonoMethodSignature *csig;
6342 MonoMethodBuilder *mb;
6347 cache = mono_defaults.corlib->native_wrapper_cache;
6348 if ((res = mono_marshal_find_in_cache (cache, func)))
6351 name = g_strdup_printf ("wrapper_native_%p", func);
6352 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6353 mb->method->save_lmf = 1;
6355 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
6357 csig = mono_metadata_signature_dup (sig);
6359 res = mono_mb_create_and_cache (cache, func,
6360 mb, csig, csig->param_count + 16);
6363 /* 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)); */
6369 * generates IL code to call managed methods from unmanaged code
6372 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
6374 static MonoClass *UnmanagedFunctionPointerAttribute;
6375 MonoMethodSignature *sig, *csig, *invoke_sig;
6376 MonoMethodBuilder *mb;
6377 MonoMethod *res, *invoke;
6378 MonoMarshalSpec **mspecs;
6379 MonoMethodPInvoke piinfo;
6382 EmitMarshalContext m;
6384 g_assert (method != NULL);
6385 g_assert (!mono_method_signature (method)->pinvoke);
6388 * FIXME: Should cache the method+delegate type pair, since the same method
6389 * could be called with different delegates, thus different marshalling
6392 cache = method->klass->image->managed_wrapper_cache;
6393 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
6396 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
6397 invoke_sig = mono_method_signature (invoke);
6399 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
6400 mono_method_get_marshal_info (invoke, mspecs);
6402 sig = mono_method_signature (method);
6404 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
6406 /* allocate local 0 (pointer) src_ptr */
6407 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6408 /* allocate local 1 (pointer) dst_ptr */
6409 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6410 /* allocate local 2 (boolean) delete_old */
6411 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6413 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6414 /* allocate local 3 to store the return value */
6415 mono_mb_add_local (mb, sig->ret);
6418 mono_mb_emit_icon (mb, 0);
6419 mono_mb_emit_stloc (mb, 2);
6421 /* we copy the signature, so that we can modify it */
6422 csig = mono_metadata_signature_dup (sig);
6431 #ifdef PLATFORM_WIN32
6433 * Under windows, delegates passed to native code must use the STDCALL
6434 * calling convention.
6436 csig->call_convention = MONO_CALL_STDCALL;
6439 /* Change default calling convention if needed */
6440 /* Why is this a modopt ? */
6441 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
6442 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
6443 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
6444 g_assert (cmod_class);
6445 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
6446 if (!strcmp (cmod_class->name, "CallConvCdecl"))
6447 csig->call_convention = MONO_CALL_C;
6448 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
6449 csig->call_convention = MONO_CALL_STDCALL;
6450 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
6451 csig->call_convention = MONO_CALL_FASTCALL;
6452 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
6453 csig->call_convention = MONO_CALL_THISCALL;
6458 /* Handle the UnmanagedFunctionPointerAttribute */
6459 if (!UnmanagedFunctionPointerAttribute)
6460 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
6462 /* The attribute is only available in Net 2.0 */
6463 if (UnmanagedFunctionPointerAttribute) {
6464 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
6465 MonoCustomAttrInfo *cinfo;
6468 * The pinvoke attributes are stored in a real custom attribute so we have to
6471 cinfo = mono_custom_attrs_from_class (delegate_klass);
6473 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
6475 memset (&piinfo, 0, sizeof (piinfo));
6477 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
6479 csig->call_convention = attr->call_conv - 1;
6482 mono_custom_attrs_free (cinfo);
6486 /* fixme: howto handle this ? */
6489 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6490 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6491 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
6494 g_assert_not_reached ();
6498 /* we first do all conversions */
6499 tmp_locals = alloca (sizeof (int) * sig->param_count);
6500 for (i = 0; i < sig->param_count; i ++) {
6501 MonoType *t = sig->params [i];
6504 case MONO_TYPE_OBJECT:
6505 case MONO_TYPE_CLASS:
6506 case MONO_TYPE_VALUETYPE:
6507 case MONO_TYPE_ARRAY:
6508 case MONO_TYPE_SZARRAY:
6509 case MONO_TYPE_STRING:
6510 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
6519 emit_thread_interrupt_checkpoint (mb);
6521 for (i = 0; i < sig->param_count; i++) {
6522 MonoType *t = sig->params [i];
6524 if (tmp_locals [i]) {
6526 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6528 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6531 mono_mb_emit_ldarg (mb, i);
6534 mono_mb_emit_managed_call (mb, method, NULL);
6536 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6537 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6540 if (!sig->ret->byref) {
6541 switch (sig->ret->type) {
6542 case MONO_TYPE_VOID:
6544 case MONO_TYPE_BOOLEAN:
6558 case MONO_TYPE_OBJECT:
6559 mono_mb_emit_stloc (mb, 3);
6561 case MONO_TYPE_STRING:
6562 csig->ret = &mono_defaults.int_class->byval_arg;
6563 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6565 case MONO_TYPE_VALUETYPE:
6566 case MONO_TYPE_CLASS:
6567 case MONO_TYPE_SZARRAY:
6568 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6571 g_warning ("return type 0x%02x unknown", sig->ret->type);
6572 g_assert_not_reached ();
6575 mono_mb_emit_stloc (mb, 3);
6578 /* Convert byref arguments back */
6579 for (i = 0; i < sig->param_count; i ++) {
6580 MonoType *t = sig->params [i];
6581 MonoMarshalSpec *spec = mspecs [i + 1];
6583 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6584 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6586 else if (t->byref) {
6588 case MONO_TYPE_CLASS:
6589 case MONO_TYPE_VALUETYPE:
6590 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6594 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
6595 /* The [Out] information is encoded in the delegate signature */
6597 case MONO_TYPE_SZARRAY:
6598 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6601 g_assert_not_reached ();
6607 mono_mb_emit_ldloc (mb, m.retobj_var);
6608 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6609 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
6610 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
6613 if (!MONO_TYPE_IS_VOID(sig->ret))
6614 mono_mb_emit_ldloc (mb, 3);
6615 mono_mb_emit_byte (mb, CEE_RET);
6619 res = mono_mb_create_and_cache (cache, method,
6620 mb, csig, sig->param_count + 16);
6622 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
6627 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
6629 mono_metadata_free_marshal_spec (mspecs [i]);
6632 /* 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)); */
6638 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
6640 static MonoReflectionType *
6641 type_from_handle (MonoType *handle)
6643 MonoDomain *domain = mono_domain_get ();
6644 MonoClass *klass = mono_class_from_mono_type (handle);
6646 MONO_ARCH_SAVE_REGS;
6648 mono_class_init (klass);
6649 return mono_type_get_object (domain, handle);
6653 * mono_marshal_get_isinst:
6654 * @klass: the type of the field
6656 * This method generates a function which can be used to check if an object is
6657 * an instance of the given type, icluding the case where the object is a proxy.
6658 * The generated function has the following signature:
6659 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
6662 mono_marshal_get_isinst (MonoClass *klass)
6664 static MonoMethodSignature *isint_sig = NULL;
6665 static GHashTable *isinst_hash = NULL;
6667 int pos_was_ok, pos_failed, pos_end, pos_end2;
6669 MonoMethodBuilder *mb;
6671 mono_marshal_lock ();
6673 isinst_hash = g_hash_table_new (NULL, NULL);
6675 res = g_hash_table_lookup (isinst_hash, klass);
6676 mono_marshal_unlock ();
6681 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6682 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6683 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6684 isint_sig->pinvoke = 0;
6687 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
6688 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
6691 mb->method->save_lmf = 1;
6693 /* check if the object is a proxy that needs special cast */
6694 mono_mb_emit_ldarg (mb, 0);
6695 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6696 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
6697 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6699 /* The result of MONO_ISINST can be:
6700 0) the type check succeeded
6701 1) the type check did not succeed
6702 2) a CanCastTo call is needed */
6704 mono_mb_emit_byte (mb, CEE_DUP);
6705 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6707 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
6708 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
6710 /* get the real proxy from the transparent proxy*/
6712 mono_mb_emit_ldarg (mb, 0);
6713 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6714 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6718 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6719 mono_mb_emit_byte (mb, CEE_LDNULL);
6720 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
6724 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6725 mono_mb_emit_byte (mb, CEE_POP);
6726 mono_mb_emit_ldarg (mb, 0);
6730 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6731 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
6732 mono_mb_emit_byte (mb, CEE_RET);
6734 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6741 * mono_marshal_get_castclass:
6742 * @klass: the type of the field
6744 * This method generates a function which can be used to cast an object to
6745 * an instance of the given type, icluding the case where the object is a proxy.
6746 * The generated function has the following signature:
6747 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6750 mono_marshal_get_castclass (MonoClass *klass)
6752 static MonoMethodSignature *castclass_sig = NULL;
6753 static GHashTable *castclass_hash = NULL;
6755 int pos_was_ok, pos_was_ok2;
6757 MonoMethodBuilder *mb;
6759 mono_marshal_lock ();
6760 if (!castclass_hash)
6761 castclass_hash = g_hash_table_new (NULL, NULL);
6763 res = g_hash_table_lookup (castclass_hash, klass);
6764 mono_marshal_unlock ();
6768 if (!castclass_sig) {
6769 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6770 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6771 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6772 castclass_sig->pinvoke = 0;
6775 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6776 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6779 mb->method->save_lmf = 1;
6781 /* check if the object is a proxy that needs special cast */
6782 mono_mb_emit_ldarg (mb, 0);
6783 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6784 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6785 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6787 /* The result of MONO_ISINST can be:
6788 0) the cast is valid
6789 1) cast of unknown proxy type
6790 or an exception if the cast is is invalid
6793 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6795 /* get the real proxy from the transparent proxy*/
6797 mono_mb_emit_ldarg (mb, 0);
6798 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6799 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6802 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6805 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6806 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6807 mono_mb_emit_ldarg (mb, 0);
6810 mono_mb_emit_byte (mb, CEE_RET);
6812 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6819 mono_marshal_get_proxy_cancast (MonoClass *klass)
6821 static MonoMethodSignature *from_handle_sig = NULL;
6822 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6823 static MonoMethodSignature *isint_sig = NULL;
6824 static GHashTable *proxy_isinst_hash = NULL;
6826 int pos_failed, pos_end;
6828 MonoMethod *can_cast_to;
6829 MonoMethodDesc *desc;
6830 MonoMethodBuilder *mb;
6832 mono_marshal_lock ();
6833 if (!proxy_isinst_hash)
6834 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6836 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6837 mono_marshal_unlock ();
6842 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6843 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6844 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6845 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6846 upgrade_proxy_sig->pinvoke = 1;
6848 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6849 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6850 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6852 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6853 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6854 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6855 isint_sig->pinvoke = 0;
6858 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6859 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6862 mb->method->save_lmf = 1;
6864 /* get the real proxy from the transparent proxy*/
6865 mono_mb_emit_ldarg (mb, 0);
6866 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6867 mono_mb_emit_byte (mb, CEE_LDIND_I);
6869 /* get the refletion type from the type handle */
6870 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6871 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6872 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6873 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6875 mono_mb_emit_ldarg (mb, 0);
6877 /* make the call to CanCastTo (type, ob) */
6878 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6879 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6880 g_assert (can_cast_to);
6881 mono_method_desc_free (desc);
6882 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6883 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6886 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6888 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6889 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6890 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6891 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6892 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6893 mono_mb_emit_ldarg (mb, 0);
6895 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6896 emit_thread_interrupt_checkpoint (mb);
6898 mono_mb_emit_ldarg (mb, 0);
6899 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6903 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6904 mono_mb_emit_byte (mb, CEE_LDNULL);
6908 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6909 mono_mb_emit_byte (mb, CEE_RET);
6911 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6918 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6921 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6922 klass = mono_class_from_mono_type (rtype->type);
6923 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
6927 * mono_marshal_get_struct_to_ptr:
6930 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6933 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6935 MonoMethodBuilder *mb;
6936 static MonoMethod *stoptr = NULL;
6939 g_assert (klass != NULL);
6941 mono_marshal_load_type_info (klass);
6943 if (klass->marshal_info->str_to_ptr)
6944 return klass->marshal_info->str_to_ptr;
6947 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6950 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6952 if (klass->blittable) {
6953 mono_mb_emit_byte (mb, CEE_LDARG_1);
6954 mono_mb_emit_byte (mb, CEE_LDARG_0);
6955 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6956 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6957 mono_mb_emit_byte (mb, CEE_PREFIX1);
6958 mono_mb_emit_byte (mb, CEE_CPBLK);
6961 /* allocate local 0 (pointer) src_ptr */
6962 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6963 /* allocate local 1 (pointer) dst_ptr */
6964 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6965 /* allocate local 2 (boolean) delete_old */
6966 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6967 mono_mb_emit_byte (mb, CEE_LDARG_2);
6968 mono_mb_emit_stloc (mb, 2);
6970 /* initialize src_ptr to point to the start of object data */
6971 mono_mb_emit_byte (mb, CEE_LDARG_0);
6972 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6973 mono_mb_emit_stloc (mb, 0);
6975 /* initialize dst_ptr */
6976 mono_mb_emit_byte (mb, CEE_LDARG_1);
6977 mono_mb_emit_byte (mb, CEE_STLOC_1);
6979 emit_struct_conv (mb, klass, FALSE);
6982 mono_mb_emit_byte (mb, CEE_RET);
6984 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
6987 klass->marshal_info->str_to_ptr = res;
6992 * mono_marshal_get_ptr_to_struct:
6995 * generates IL code for PtrToStructure (IntPtr src, object structure)
6998 mono_marshal_get_ptr_to_struct (MonoClass *klass)
7000 MonoMethodBuilder *mb;
7001 static MonoMethodSignature *ptostr = NULL;
7004 g_assert (klass != NULL);
7006 mono_marshal_load_type_info (klass);
7008 if (klass->marshal_info->ptr_to_str)
7009 return klass->marshal_info->ptr_to_str;
7012 /* Create the signature corresponding to
7013 static void PtrToStructure (IntPtr ptr, object structure);
7014 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
7015 ptostr = mono_metadata_signature_alloc (klass->image, 2);
7016 ptostr->pinvoke = 1;
7017 ptostr->ret = &mono_defaults.void_class->byval_arg;
7018 ptostr->params [0] = &mono_defaults.int_class->byval_arg;
7019 ptostr->params [1] = &mono_defaults.object_class->byval_arg;
7023 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
7025 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
7026 mono_mb_emit_byte (mb, CEE_LDARG_1);
7027 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7028 mono_mb_emit_byte (mb, CEE_LDARG_0);
7029 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7030 mono_mb_emit_byte (mb, CEE_PREFIX1);
7031 mono_mb_emit_byte (mb, CEE_CPBLK);
7034 /* allocate local 0 (pointer) src_ptr */
7035 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7036 /* allocate local 1 (pointer) dst_ptr */
7037 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7039 /* initialize src_ptr to point to the start of object data */
7040 mono_mb_emit_byte (mb, CEE_LDARG_0);
7041 mono_mb_emit_stloc (mb, 0);
7043 /* initialize dst_ptr */
7044 mono_mb_emit_byte (mb, CEE_LDARG_1);
7045 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7046 mono_mb_emit_byte (mb, CEE_STLOC_1);
7048 emit_struct_conv (mb, klass, TRUE);
7051 mono_mb_emit_byte (mb, CEE_RET);
7053 res = mono_mb_create_method (mb, ptostr, 0);
7056 klass->marshal_info->ptr_to_str = res;
7061 * generates IL code for the synchronized wrapper: the generated method
7062 * calls METHOD while locking 'this' or the parent type.
7065 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
7067 static MonoMethodSignature *from_handle_sig = NULL;
7068 static MonoMethod *enter_method, *exit_method;
7069 MonoMethodSignature *sig;
7070 MonoExceptionClause *clause;
7071 MonoMethodHeader *header;
7072 MonoMethodBuilder *mb;
7075 int i, pos, this_local, ret_local = 0;
7079 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
7082 cache = method->klass->image->synchronized_cache;
7083 if ((res = mono_marshal_find_in_cache (cache, method)))
7086 sig = signature_no_pinvoke (mono_method_signature (method));
7088 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
7091 if (!MONO_TYPE_IS_VOID (sig->ret))
7092 ret_local = mono_mb_add_local (mb, sig->ret);
7095 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7097 clause = g_new0 (MonoExceptionClause, 1);
7098 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
7100 if (!enter_method) {
7101 MonoMethodDesc *desc;
7103 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
7104 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
7105 g_assert (enter_method);
7106 mono_method_desc_free (desc);
7107 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
7108 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
7109 g_assert (exit_method);
7110 mono_method_desc_free (desc);
7113 * GetTypeFromHandle isn't called as a managed method because it has
7114 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
7115 * transformed into something else by the JIT.
7117 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7118 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
7119 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
7122 /* Push this or the type object */
7123 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
7124 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7125 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
7126 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
7127 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
7130 mono_mb_emit_ldarg (mb, 0);
7131 mono_mb_emit_stloc (mb, this_local);
7133 /* Call Monitor::Enter() */
7134 mono_mb_emit_ldloc (mb, this_local);
7135 mono_mb_emit_managed_call (mb, enter_method, NULL);
7137 clause->try_offset = mb->pos;
7139 /* Call the method */
7141 mono_mb_emit_ldarg (mb, 0);
7142 for (i = 0; i < sig->param_count; i++)
7143 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
7145 /* this is needed to avoid recursion */
7146 mono_mb_emit_byte (mb, CEE_PREFIX1);
7147 mono_mb_emit_byte (mb, CEE_LDFTN);
7148 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
7149 mono_mb_emit_calli (mb, mono_method_signature (method));
7151 if (!MONO_TYPE_IS_VOID (sig->ret))
7152 mono_mb_emit_stloc (mb, ret_local);
7154 mono_mb_emit_byte (mb, CEE_LEAVE);
7156 mono_mb_emit_i4 (mb, 0);
7158 clause->try_len = mb->pos - clause->try_offset;
7159 clause->handler_offset = mb->pos;
7161 /* Call Monitor::Exit() */
7162 mono_mb_emit_ldloc (mb, this_local);
7163 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
7164 mono_mb_emit_managed_call (mb, exit_method, NULL);
7165 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
7167 clause->handler_len = mb->pos - clause->handler_offset;
7169 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
7170 if (!MONO_TYPE_IS_VOID (sig->ret))
7171 mono_mb_emit_ldloc (mb, ret_local);
7172 mono_mb_emit_byte (mb, CEE_RET);
7174 res = mono_mb_create_and_cache (cache, method,
7175 mb, sig, sig->param_count + 16);
7178 header = ((MonoMethodNormal *)res)->header;
7179 header->num_clauses = 1;
7180 header->clauses = clause;
7187 * the returned method calls 'method' unboxing the this argument
7190 mono_marshal_get_unbox_wrapper (MonoMethod *method)
7192 MonoMethodSignature *sig = mono_method_signature (method);
7194 MonoMethodBuilder *mb;
7198 cache = method->klass->image->unbox_wrapper_cache;
7199 if ((res = mono_marshal_find_in_cache (cache, method)))
7202 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
7204 g_assert (sig->hasthis);
7206 mono_mb_emit_ldarg (mb, 0);
7207 mono_mb_emit_icon (mb, sizeof (MonoObject));
7208 mono_mb_emit_byte (mb, CEE_ADD);
7209 for (i = 0; i < sig->param_count; ++i)
7210 mono_mb_emit_ldarg (mb, i + 1);
7211 mono_mb_emit_managed_call (mb, method, NULL);
7212 mono_mb_emit_byte (mb, CEE_RET);
7214 res = mono_mb_create_and_cache (cache, method,
7215 mb, sig, sig->param_count + 16);
7218 /* 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)); */
7224 mono_marshal_get_stelemref ()
7226 static MonoMethod* ret = NULL;
7227 MonoMethodSignature *sig;
7228 MonoMethodBuilder *mb;
7230 guint32 b1, b2, b3, b4;
7233 int array_slot_addr;
7238 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
7241 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
7243 /* void stelemref (void* array, int idx, void* value) */
7244 sig->ret = &mono_defaults.void_class->byval_arg;
7245 sig->params [0] = &mono_defaults.object_class->byval_arg;
7246 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
7247 sig->params [2] = &mono_defaults.object_class->byval_arg;
7249 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7250 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7251 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
7255 <ldelema (bound check)>
7259 aklass = array->vtable->klass->element_class;
7260 vklass = value->vtable->klass;
7262 if (vklass->idepth < aklass->idepth)
7265 if (vklass->supertypes [aklass->idepth - 1] != aklass)
7269 *array_slot_addr = value;
7273 if (mono_object_isinst (value, aklass))
7276 throw new ArrayTypeMismatchException ();
7279 /* ldelema (implicit bound check) */
7280 mono_mb_emit_ldarg (mb, 0);
7281 mono_mb_emit_ldarg (mb, 1);
7282 mono_mb_emit_byte (mb, CEE_LDELEMA);
7283 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
7284 mono_mb_emit_stloc (mb, array_slot_addr);
7286 /* if (!value) goto do_store */
7287 mono_mb_emit_ldarg (mb, 2);
7288 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7290 /* aklass = array->vtable->klass->element_class */
7291 mono_mb_emit_ldarg (mb, 0);
7292 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7293 mono_mb_emit_byte (mb, CEE_LDIND_I);
7294 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7295 mono_mb_emit_byte (mb, CEE_LDIND_I);
7296 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
7297 mono_mb_emit_byte (mb, CEE_LDIND_I);
7298 mono_mb_emit_stloc (mb, aklass);
7300 /* vklass = value->vtable->klass */
7301 mono_mb_emit_ldarg (mb, 2);
7302 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7303 mono_mb_emit_byte (mb, CEE_LDIND_I);
7304 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7305 mono_mb_emit_byte (mb, CEE_LDIND_I);
7306 mono_mb_emit_stloc (mb, vklass);
7308 /* if (vklass->idepth < aklass->idepth) goto failue */
7309 mono_mb_emit_ldloc (mb, vklass);
7310 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7311 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7313 mono_mb_emit_ldloc (mb, aklass);
7314 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7315 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7317 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
7319 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
7320 mono_mb_emit_ldloc (mb, vklass);
7321 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
7322 mono_mb_emit_byte (mb, CEE_LDIND_I);
7324 mono_mb_emit_ldloc (mb, aklass);
7325 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7326 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7327 mono_mb_emit_icon (mb, 1);
7328 mono_mb_emit_byte (mb, CEE_SUB);
7329 mono_mb_emit_icon (mb, sizeof (void*));
7330 mono_mb_emit_byte (mb, CEE_MUL);
7331 mono_mb_emit_byte (mb, CEE_ADD);
7332 mono_mb_emit_byte (mb, CEE_LDIND_I);
7334 mono_mb_emit_ldloc (mb, aklass);
7336 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
7340 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
7341 mono_mb_emit_ldloc (mb, array_slot_addr);
7342 mono_mb_emit_ldarg (mb, 2);
7343 mono_mb_emit_byte (mb, CEE_STIND_REF);
7345 mono_mb_emit_byte (mb, CEE_RET);
7348 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
7349 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
7351 mono_mb_emit_ldarg (mb, 2);
7352 mono_mb_emit_ldloc (mb, aklass);
7353 mono_mb_emit_icall (mb, mono_object_isinst);
7355 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7356 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
7357 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
7359 mono_mb_emit_byte (mb, CEE_RET);
7360 ret = mono_mb_create_method (mb, sig, 4);
7366 mono_marshal_alloc (gulong size)
7370 #ifdef PLATFORM_WIN32
7371 res = CoTaskMemAlloc (size);
7373 res = g_try_malloc ((gulong)size);
7375 mono_gc_out_of_memory ((gulong)size);
7381 mono_marshal_free (gpointer ptr)
7383 #ifdef PLATFORM_WIN32
7384 CoTaskMemFree (ptr);
7391 mono_marshal_free_array (gpointer *ptr, int size)
7398 for (i = 0; i < size; i++)
7404 mono_marshal_realloc (gpointer ptr, gpointer size)
7406 MONO_ARCH_SAVE_REGS;
7408 return g_try_realloc (ptr, (gulong)size);
7412 mono_marshal_string_to_utf16 (MonoString *s)
7414 return s ? mono_string_chars (s) : NULL;
7418 * mono_marshal_set_last_error:
7420 * This function is invoked to set the last error value from a P/Invoke call
7421 * which has SetLastError set.
7424 mono_marshal_set_last_error (void)
7427 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
7429 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
7434 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
7435 gpointer dest, gint32 length)
7440 MONO_ARCH_SAVE_REGS;
7442 MONO_CHECK_ARG_NULL (src);
7443 MONO_CHECK_ARG_NULL (dest);
7445 g_assert (src->obj.vtable->klass->rank == 1);
7446 g_assert (start_index >= 0);
7447 g_assert (length >= 0);
7448 g_assert (start_index + length <= mono_array_length (src));
7450 element_size = mono_array_element_size (src->obj.vtable->klass);
7452 source_addr = mono_array_addr_with_size (src, element_size, start_index);
7454 memcpy (dest, source_addr, length * element_size);
7458 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
7459 MonoArray *dest, gint32 length)
7464 MONO_ARCH_SAVE_REGS;
7466 MONO_CHECK_ARG_NULL (src);
7467 MONO_CHECK_ARG_NULL (dest);
7469 g_assert (dest->obj.vtable->klass->rank == 1);
7470 g_assert (start_index >= 0);
7471 g_assert (length >= 0);
7472 g_assert (start_index + length <= mono_array_length (dest));
7474 element_size = mono_array_element_size (dest->obj.vtable->klass);
7476 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
7478 memcpy (dest_addr, src, length * element_size);
7481 #if NO_UNALIGNED_ACCESS
7482 #define RETURN_UNALIGNED(type, addr) \
7485 memcpy(&val, p + offset, sizeof(val)); \
7488 #define WRITE_UNALIGNED(type, addr, val) \
7489 memcpy(addr, &val, sizeof(type))
7491 #define RETURN_UNALIGNED(type, addr) \
7492 return *(type*)(p + offset);
7493 #define WRITE_UNALIGNED(type, addr, val) \
7494 (*(type *)(addr) = (val))
7498 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
7502 MONO_ARCH_SAVE_REGS;
7504 RETURN_UNALIGNED(gpointer, p + offset);
7508 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
7512 MONO_ARCH_SAVE_REGS;
7514 return *(unsigned char*)(p + offset);
7518 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
7522 MONO_ARCH_SAVE_REGS;
7524 RETURN_UNALIGNED(gint16, p + offset);
7528 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
7532 MONO_ARCH_SAVE_REGS;
7534 RETURN_UNALIGNED(gint32, p + offset);
7538 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
7542 MONO_ARCH_SAVE_REGS;
7544 RETURN_UNALIGNED(gint64, p + offset);
7548 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
7552 MONO_ARCH_SAVE_REGS;
7554 *(unsigned char*)(p + offset) = val;
7558 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
7562 MONO_ARCH_SAVE_REGS;
7564 WRITE_UNALIGNED(gpointer, p + offset, val);
7568 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
7572 MONO_ARCH_SAVE_REGS;
7574 WRITE_UNALIGNED(gint16, p + offset, val);
7578 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
7582 MONO_ARCH_SAVE_REGS;
7584 WRITE_UNALIGNED(gint32, p + offset, val);
7588 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
7592 MONO_ARCH_SAVE_REGS;
7594 WRITE_UNALIGNED(gint64, p + offset, val);
7598 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
7600 MONO_ARCH_SAVE_REGS;
7605 return mono_string_new (mono_domain_get (), ptr);
7609 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
7611 MONO_ARCH_SAVE_REGS;
7614 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7615 g_assert_not_reached ();
7618 return mono_string_new_len (mono_domain_get (), ptr, len);
7622 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
7624 MonoDomain *domain = mono_domain_get ();
7628 MONO_ARCH_SAVE_REGS;
7636 return mono_string_new_utf16 (domain, ptr, len);
7640 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
7642 MonoDomain *domain = mono_domain_get ();
7644 MONO_ARCH_SAVE_REGS;
7647 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7648 g_assert_not_reached ();
7651 return mono_string_new_utf16 (domain, ptr, len);
7655 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
7657 MONO_ARCH_SAVE_REGS;
7659 g_warning ("PtrToStringBSTR not implemented");
7660 g_assert_not_reached ();
7666 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
7668 MONO_ARCH_SAVE_REGS;
7670 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
7674 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
7680 MONO_ARCH_SAVE_REGS;
7682 MONO_CHECK_ARG_NULL (rtype);
7685 klass = mono_class_from_mono_type (type);
7686 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
7688 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7692 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
7693 exc = mono_get_exception_argument ("t", msg);
7695 mono_raise_exception (exc);
7699 return mono_class_native_size (klass, NULL);
7703 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
7708 MONO_ARCH_SAVE_REGS;
7710 MONO_CHECK_ARG_NULL (obj);
7711 MONO_CHECK_ARG_NULL (dst);
7713 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
7717 pa [2] = &delete_old;
7719 mono_runtime_invoke (method, NULL, pa, NULL);
7723 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
7728 MONO_ARCH_SAVE_REGS;
7730 MONO_CHECK_ARG_NULL (src);
7731 MONO_CHECK_ARG_NULL (dst);
7733 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
7738 mono_runtime_invoke (method, NULL, pa, NULL);
7742 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
7744 MonoDomain *domain = mono_domain_get ();
7747 MONO_ARCH_SAVE_REGS;
7749 MONO_CHECK_ARG_NULL (src);
7750 MONO_CHECK_ARG_NULL (type);
7752 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7754 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7760 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7762 MonoMarshalType *info;
7765 int match_index = -1;
7767 MONO_ARCH_SAVE_REGS;
7769 MONO_CHECK_ARG_NULL (type);
7770 MONO_CHECK_ARG_NULL (field_name);
7772 fname = mono_string_to_utf8 (field_name);
7773 klass = mono_class_from_mono_type (type->type);
7775 while (klass && match_index == -1) {
7776 MonoClassField* field;
7778 gpointer iter = NULL;
7779 while ((field = mono_class_get_fields (klass, &iter))) {
7780 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7782 if (!strcmp (fname, field->name)) {
7789 if (match_index == -1)
7790 klass = klass->parent;
7795 if(match_index == -1) {
7799 /* Get back original class instance */
7800 klass = mono_class_from_mono_type (type->type);
7802 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7803 exc = mono_get_exception_argument ("fieldName", tmp);
7806 mono_raise_exception ((MonoException*)exc);
7809 info = mono_marshal_load_type_info (klass);
7810 return info->fields [match_index].offset;
7814 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7816 MONO_ARCH_SAVE_REGS;
7818 return mono_string_to_utf8 (string);
7822 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7824 MONO_ARCH_SAVE_REGS;
7829 gunichar2 *res = g_malloc (mono_string_length (string) * 2);
7830 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
7831 res [mono_string_length (string)] = 0;
7837 mono_struct_delete_old (MonoClass *klass, char *ptr)
7839 MonoMarshalType *info;
7842 info = mono_marshal_load_type_info (klass);
7844 for (i = 0; i < info->num_fields; i++) {
7845 MonoMarshalNative ntype;
7846 MonoMarshalConv conv;
7847 MonoType *ftype = info->fields [i].field->type;
7850 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7853 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7854 klass->unicode, &conv);
7856 cpos = ptr + info->fields [i].offset;
7859 case MONO_MARSHAL_CONV_NONE:
7860 if (MONO_TYPE_ISSTRUCT (ftype)) {
7861 mono_struct_delete_old (ftype->data.klass, cpos);
7865 case MONO_MARSHAL_CONV_STR_LPWSTR:
7866 /* We assume this field points inside a MonoString */
7868 case MONO_MARSHAL_CONV_STR_LPSTR:
7869 case MONO_MARSHAL_CONV_STR_LPTSTR:
7870 case MONO_MARSHAL_CONV_STR_BSTR:
7871 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7872 case MONO_MARSHAL_CONV_STR_TBSTR:
7873 mono_marshal_free (*(gpointer *)cpos);
7882 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7886 MONO_ARCH_SAVE_REGS;
7888 MONO_CHECK_ARG_NULL (src);
7889 MONO_CHECK_ARG_NULL (type);
7891 klass = mono_class_from_mono_type (type->type);
7893 mono_struct_delete_old (klass, (char *)src);
7897 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7899 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7903 MONO_ARCH_SAVE_REGS;
7905 if ((gulong)size == 0)
7906 /* This returns a valid pointer for size 0 on MS.NET */
7909 res = g_try_malloc ((gulong)size);
7911 mono_gc_out_of_memory ((gulong)size);
7917 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7919 MONO_ARCH_SAVE_REGS;
7925 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7927 MONO_ARCH_SAVE_REGS;
7929 #ifdef PLATFORM_WIN32
7930 return CoTaskMemAlloc (size);
7932 return g_try_malloc ((gulong)size);
7937 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7939 MONO_ARCH_SAVE_REGS;
7941 #ifdef PLATFORM_WIN32
7942 CoTaskMemFree (ptr);
7949 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7951 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7955 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7957 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7961 mono_marshal_load_type_info (MonoClass* klass)
7964 guint32 native_size = 0, min_align = 1;
7965 MonoMarshalType *info;
7966 MonoClassField* field;
7970 g_assert (klass != NULL);
7972 if (klass->marshal_info)
7973 return klass->marshal_info;
7976 mono_class_init (klass);
7979 while ((field = mono_class_get_fields (klass, &iter))) {
7980 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7982 if (mono_field_is_deleted (field))
7987 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7989 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7990 info->num_fields = count;
7992 /* Try to find a size for this type in metadata */
7993 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7995 if (klass->parent) {
7996 int parent_size = mono_class_native_size (klass->parent, NULL);
7998 /* Add parent size to real size */
7999 native_size += parent_size;
8000 info->native_size = parent_size;
8005 while ((field = mono_class_get_fields (klass, &iter))) {
8009 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8012 if (mono_field_is_deleted (field))
8014 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
8015 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
8016 NULL, NULL, &info->fields [j].mspec);
8018 info->fields [j].field = field;
8020 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
8021 (strcmp (field->name, "$PRIVATE$") == 0)) {
8022 /* This field is a hack inserted by MCS to empty structures */
8027 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
8028 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
8029 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
8030 &align, TRUE, klass->unicode);
8031 align = klass->packing_size ? MIN (klass->packing_size, align): align;
8032 min_align = MAX (align, min_align);
8033 info->fields [j].offset = info->native_size;
8034 info->fields [j].offset += align - 1;
8035 info->fields [j].offset &= ~(align - 1);
8036 info->native_size = info->fields [j].offset + size;
8038 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
8039 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
8040 &align, TRUE, klass->unicode);
8041 align = klass->packing_size ? MIN (klass->packing_size, align): align;
8042 min_align = MAX (align, min_align);
8043 info->fields [j].offset = field->offset - sizeof (MonoObject);
8044 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
8050 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8051 info->native_size = MAX (native_size, info->native_size);
8054 if (info->native_size & (min_align - 1)) {
8055 info->native_size += min_align - 1;
8056 info->native_size &= ~(min_align - 1);
8059 /* Update the class's blittable info, if the layouts don't match */
8060 if (info->native_size != mono_class_value_size (klass, NULL))
8061 klass->blittable = FALSE;
8063 /* If this is an array type, ensure that we have element info */
8064 if (klass->element_class) {
8065 mono_marshal_load_type_info (klass->element_class);
8068 return klass->marshal_info;
8072 * mono_class_native_size:
8075 * Returns: the native size of an object instance (when marshaled
8076 * to unmanaged code)
8079 mono_class_native_size (MonoClass *klass, guint32 *align)
8081 if (!klass->marshal_info)
8082 mono_marshal_load_type_info (klass);
8085 *align = klass->min_align;
8087 return klass->marshal_info->native_size;
8091 * mono_type_native_stack_size:
8092 * @t: the type to return the size it uses on the stack
8094 * Returns: the number of bytes required to hold an instance of this
8095 * type on the native stack
8098 mono_type_native_stack_size (MonoType *t, guint32 *align)
8102 g_assert (t != NULL);
8113 case MONO_TYPE_BOOLEAN:
8114 case MONO_TYPE_CHAR:
8123 case MONO_TYPE_STRING:
8124 case MONO_TYPE_OBJECT:
8125 case MONO_TYPE_CLASS:
8126 case MONO_TYPE_SZARRAY:
8128 case MONO_TYPE_FNPTR:
8129 case MONO_TYPE_ARRAY:
8130 case MONO_TYPE_TYPEDBYREF:
8141 case MONO_TYPE_VALUETYPE: {
8144 if (t->data.klass->enumtype)
8145 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
8147 size = mono_class_native_size (t->data.klass, align);
8148 *align = *align + 3;
8158 g_error ("type 0x%02x unknown", t->type);
8163 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
8164 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
8165 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
8166 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
8169 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
8170 gboolean as_field, gboolean unicode)
8172 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
8175 switch (native_type) {
8176 case MONO_NATIVE_BOOLEAN:
8179 case MONO_NATIVE_I1:
8180 case MONO_NATIVE_U1:
8183 case MONO_NATIVE_I2:
8184 case MONO_NATIVE_U2:
8185 case MONO_NATIVE_VARIANTBOOL:
8188 case MONO_NATIVE_I4:
8189 case MONO_NATIVE_U4:
8190 case MONO_NATIVE_ERROR:
8193 case MONO_NATIVE_I8:
8194 case MONO_NATIVE_U8:
8195 *align = ALIGNMENT(guint64);
8197 case MONO_NATIVE_R4:
8200 case MONO_NATIVE_R8:
8201 *align = ALIGNMENT(double);
8203 case MONO_NATIVE_INT:
8204 case MONO_NATIVE_UINT:
8205 case MONO_NATIVE_LPSTR:
8206 case MONO_NATIVE_LPWSTR:
8207 case MONO_NATIVE_LPTSTR:
8208 case MONO_NATIVE_BSTR:
8209 case MONO_NATIVE_ANSIBSTR:
8210 case MONO_NATIVE_TBSTR:
8211 case MONO_NATIVE_LPARRAY:
8212 case MONO_NATIVE_SAFEARRAY:
8213 case MONO_NATIVE_IUNKNOWN:
8214 case MONO_NATIVE_IDISPATCH:
8215 case MONO_NATIVE_INTERFACE:
8216 case MONO_NATIVE_ASANY:
8217 case MONO_NATIVE_FUNC:
8218 case MONO_NATIVE_LPSTRUCT:
8219 *align = ALIGNMENT(gpointer);
8220 return sizeof (gpointer);
8221 case MONO_NATIVE_STRUCT:
8222 klass = mono_class_from_mono_type (type);
8223 return mono_class_native_size (klass, align);
8224 case MONO_NATIVE_BYVALTSTR: {
8225 int esize = unicode ? 2: 1;
8228 return mspec->data.array_data.num_elem * esize;
8230 case MONO_NATIVE_BYVALARRAY: {
8232 klass = mono_class_from_mono_type (type);
8233 esize = mono_class_native_size (klass->element_class, align);
8235 return mspec->data.array_data.num_elem * esize;
8237 case MONO_NATIVE_CUSTOM:
8238 g_assert_not_reached ();
8240 case MONO_NATIVE_CURRENCY:
8241 case MONO_NATIVE_VBBYREFSTR:
8243 g_error ("native type %02x not implemented", native_type);
8246 g_assert_not_reached ();
8251 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
8259 t = &o->vtable->klass->byval_arg;
8266 case MONO_TYPE_BOOLEAN:
8269 case MONO_TYPE_CHAR:
8274 return mono_object_unbox (o);
8276 case MONO_TYPE_STRING:
8277 switch (string_encoding) {
8278 case MONO_NATIVE_LPWSTR:
8279 return mono_string_to_utf16 ((MonoString*)o);
8281 case MONO_NATIVE_LPSTR:
8282 return mono_string_to_lpstr ((MonoString*)o);
8285 g_warning ("marshaling conversion %d not implemented", string_encoding);
8286 g_assert_not_reached ();
8289 case MONO_TYPE_CLASS:
8290 case MONO_TYPE_VALUETYPE: {
8294 MonoBoolean delete_old = FALSE;
8296 klass = t->data.klass;
8298 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
8301 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8302 klass->blittable || klass->enumtype)
8303 return mono_object_unbox (o);
8305 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
8307 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
8311 pa [2] = &delete_old;
8313 mono_runtime_invoke (method, NULL, pa, NULL);
8319 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
8325 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
8333 t = &o->vtable->klass->byval_arg;
8335 case MONO_TYPE_STRING:
8336 switch (string_encoding) {
8337 case MONO_NATIVE_LPWSTR:
8338 case MONO_NATIVE_LPSTR:
8339 mono_marshal_free (ptr);
8342 g_warning ("marshaling conversion %d not implemented", string_encoding);
8343 g_assert_not_reached ();
8346 case MONO_TYPE_CLASS:
8347 case MONO_TYPE_VALUETYPE: {
8348 klass = t->data.klass;
8350 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8351 klass->blittable || klass->enumtype)
8354 mono_struct_delete_old (klass, ptr);
8356 mono_marshal_free (ptr);