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));
322 if (d->object.vtable->domain != mono_domain_get ())
323 mono_raise_exception (mono_get_exception_not_supported ("Delegates cannot be marshalled from native code into a domain other than their home domain"));
329 mono_delegate_free_ftnptr (MonoDelegate *delegate)
334 delegate_hash_table_remove (delegate);
336 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
338 if (!delegate->target) {
339 /* The wrapper method is shared between delegates -> no need to free it */
344 ji = mono_jit_info_table_find (mono_domain_get (), mono_get_addr_from_ftnptr (ptr));
347 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
352 mono_array_to_savearray (MonoArray *array)
357 g_assert_not_reached ();
362 mono_array_to_lparray (MonoArray *array)
367 /* fixme: maybe we need to make a copy */
368 return array->vector;
372 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
374 GError *error = NULL;
384 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
386 if (items_written > mono_stringbuilder_capacity (sb))
387 items_written = mono_stringbuilder_capacity (sb);
390 if (! sb->str || sb->str == sb->cached_str) {
391 sb->str = mono_string_new_size (mono_domain_get (), items_written);
392 sb->cached_str = NULL;
395 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
396 sb->length = items_written;
398 g_error_free (error);
404 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
411 g_assert (mono_string_chars (sb->str) == text);
413 for (len = 0; text [len] != 0; ++len)
420 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
422 GError *error = NULL;
429 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
431 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
433 g_error_free (error);
434 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
437 memcpy (res, tmp, sb->length + 1);
445 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
451 * The sb could have been allocated with the default capacity and be empty.
452 * we need to alloc a buffer of the default capacity in this case.
455 sb->str = mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb));
457 * The stringbuilder might not have ownership of this string. If this is
458 * the case, we must duplicate the string, so that we don't munge immutable
461 else if (sb->str == sb->cached_str) {
462 sb->str = mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb));
463 sb->cached_str = NULL;
466 return mono_string_chars (sb->str);
470 mono_string_to_lpstr (MonoString *s)
472 #ifdef PLATFORM_WIN32
475 GError *error = NULL;
481 as = CoTaskMemAlloc (1);
486 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
488 g_warning (error->message);
489 g_error_free (error);
493 as = CoTaskMemAlloc (len + 1);
494 memcpy (as, tmp, len + 1);
498 return mono_string_to_utf8 (s);
503 mono_string_to_ansibstr (MonoString *string_obj)
505 g_error ("UnmanagedMarshal.BStr is not implemented.");
510 mono_string_to_bstr (MonoString *string_obj)
512 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
517 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
522 g_assert (dst != NULL);
525 memset (dst, 0, size);
530 s = mono_string_to_utf8 (src);
531 len = MIN (size, strlen (s));
532 memcpy (dst, s, len);
535 *((char *)dst + size - 1) = 0;
539 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
543 g_assert (dst != NULL);
547 memset (dst, 0, size);
551 len = MIN (size, (mono_string_length (src) * 2));
552 memcpy (dst, mono_string_chars (src), len);
554 *((char *)dst + size - 1) = 0;
555 *((char *)dst + size - 2) = 0;
559 mono_mb_free (MonoMethodBuilder *mb)
561 g_list_free (mb->locals_list);
566 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
568 MonoMethodBuilder *mb;
571 g_assert (klass != NULL);
572 g_assert (name != NULL);
574 mb = g_new0 (MonoMethodBuilder, 1);
576 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
579 m->name = g_strdup (name);
581 m->wrapper_type = type;
584 mb->code = g_malloc (mb->code_size);
590 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
592 int res = mb->locals;
594 g_assert (mb != NULL);
595 g_assert (type != NULL);
597 mb->locals_list = g_list_append (mb->locals_list, type);
604 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
606 MonoMethodHeader *header;
607 MonoMethodWrapper *mw;
611 g_assert (mb != NULL);
613 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
614 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
619 header->max_stack = max_stack;
621 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
622 header->locals [i] = (MonoType *)l->data;
625 mb->method->signature = signature;
626 header->code = mb->code;
627 header->code_size = mb->pos;
628 header->num_locals = mb->locals;
630 mw = (MonoMethodWrapper*) mb->method;
631 i = g_list_length (mw->method_data);
635 l = g_list_reverse (mw->method_data);
636 data = mw->method_data = g_new (gpointer, i + 1);
637 /* store the size in the first element */
638 data [0] = GUINT_TO_POINTER (i);
640 for (tmp = l; tmp; tmp = tmp->next) {
641 data [i++] = tmp->data;
646 static int total_code = 0;
647 static int total_alloc = 0;
648 total_code += mb->pos;
649 total_alloc += mb->code_size;
650 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
653 #ifdef DEBUG_RUNTIME_CODE
654 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
655 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
662 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
664 MonoMethodWrapper *mw;
666 g_assert (mb != NULL);
668 mw = (MonoMethodWrapper *)mb->method;
670 /* one O(n) is enough */
671 mw->method_data = g_list_prepend (mw->method_data, data);
673 return g_list_length (mw->method_data);
677 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
679 mb->code [pos] = value & 0xff;
680 mb->code [pos + 1] = (value >> 8) & 0xff;
681 mb->code [pos + 2] = (value >> 16) & 0xff;
682 mb->code [pos + 3] = (value >> 24) & 0xff;
686 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
688 *((gint8 *)(&mb->code [pos])) = value;
692 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
694 if (mb->pos >= mb->code_size) {
695 mb->code_size += mb->code_size >> 1;
696 mb->code = g_realloc (mb->code, mb->code_size);
699 mb->code [mb->pos++] = op;
703 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
705 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
706 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
709 mono_mb_emit_icon (mb, offset);
710 mono_mb_emit_byte (mb, CEE_ADD);
715 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
718 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
719 mono_mb_emit_byte (mb, CEE_LDIND_I);
720 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
721 mono_mb_emit_byte (mb, CEE_ADD);
722 mono_mb_emit_byte (mb, CEE_LDIND_I);
723 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
724 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
725 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
726 mono_mb_emit_byte (mb, branch_code);
728 mono_mb_emit_i4 (mb, 0);
733 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
736 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
737 mono_mb_emit_byte (mb, CEE_LDIND_REF);
738 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
739 mono_mb_emit_byte (mb, CEE_LDIND_I4);
740 mono_mb_emit_icon (mb, -1);
741 mono_mb_emit_byte (mb, branch_code);
743 mono_mb_emit_i4 (mb, 0);
748 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
750 if ((mb->pos + 4) >= mb->code_size) {
751 mb->code_size += mb->code_size >> 1;
752 mb->code = g_realloc (mb->code, mb->code_size);
755 mono_mb_patch_addr (mb, mb->pos, data);
760 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
762 if ((mb->pos + 2) >= mb->code_size) {
763 mb->code_size += mb->code_size >> 1;
764 mb->code = g_realloc (mb->code, mb->code_size);
767 mb->code [mb->pos] = data & 0xff;
768 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
773 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
775 mono_mb_emit_byte (mb, CEE_LDSTR);
776 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
781 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
784 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
785 } else if (argnum < 256) {
786 mono_mb_emit_byte (mb, CEE_LDARG_S);
787 mono_mb_emit_byte (mb, argnum);
789 mono_mb_emit_byte (mb, CEE_PREFIX1);
790 mono_mb_emit_byte (mb, CEE_LDARG);
791 mono_mb_emit_i2 (mb, argnum);
796 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
799 mono_mb_emit_byte (mb, CEE_LDARGA_S);
800 mono_mb_emit_byte (mb, argnum);
802 mono_mb_emit_byte (mb, CEE_PREFIX1);
803 mono_mb_emit_byte (mb, CEE_LDARGA);
804 mono_mb_emit_i2 (mb, argnum);
809 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
812 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
813 mono_mb_emit_byte (mb, locnum);
815 mono_mb_emit_byte (mb, CEE_PREFIX1);
816 mono_mb_emit_byte (mb, CEE_LDLOCA);
817 mono_mb_emit_i2 (mb, locnum);
822 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
825 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
826 } else if (num < 256) {
827 mono_mb_emit_byte (mb, CEE_LDLOC_S);
828 mono_mb_emit_byte (mb, num);
830 mono_mb_emit_byte (mb, CEE_PREFIX1);
831 mono_mb_emit_byte (mb, CEE_LDLOC);
832 mono_mb_emit_i2 (mb, num);
837 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
840 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
841 } else if (num < 256) {
842 mono_mb_emit_byte (mb, CEE_STLOC_S);
843 mono_mb_emit_byte (mb, num);
845 mono_mb_emit_byte (mb, CEE_PREFIX1);
846 mono_mb_emit_byte (mb, CEE_STLOC);
847 mono_mb_emit_i2 (mb, num);
852 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
854 if (value >= -1 && value < 8) {
855 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
856 } else if (value >= -128 && value <= 127) {
857 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
858 mono_mb_emit_byte (mb, value);
860 mono_mb_emit_byte (mb, CEE_LDC_I4);
861 mono_mb_emit_i4 (mb, value);
866 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
869 mono_mb_emit_byte (mb, op);
871 mono_mb_emit_i4 (mb, 0);
876 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
878 mono_mb_emit_byte (mb, CEE_CALLI);
879 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
883 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
885 mono_mb_emit_byte (mb, CEE_CALL);
886 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
890 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
892 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
893 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
894 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
895 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
896 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
897 mono_mb_emit_calli (mb, sig);
898 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
899 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
903 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
905 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
906 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
907 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
911 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
913 MonoMethod *ctor = NULL;
915 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
916 mono_class_init (mme);
917 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
919 mono_mb_emit_byte (mb, CEE_NEWOBJ);
920 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
922 mono_mb_emit_byte (mb, CEE_DUP);
923 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
924 mono_mb_emit_ldstr (mb, (char*)msg);
925 mono_mb_emit_byte (mb, CEE_STIND_I);
927 mono_mb_emit_byte (mb, CEE_THROW);
931 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
933 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
937 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
939 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
943 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
945 mono_mb_emit_ldloc (mb, local);
946 mono_mb_emit_icon (mb, incr);
947 mono_mb_emit_byte (mb, CEE_ADD);
948 mono_mb_emit_stloc (mb, local);
952 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
953 int usize, int msize, MonoMarshalSpec *mspec)
956 case MONO_MARSHAL_CONV_BOOL_I4:
957 mono_mb_emit_ldloc (mb, 1);
958 mono_mb_emit_ldloc (mb, 0);
959 mono_mb_emit_byte (mb, CEE_LDIND_I4);
960 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
961 mono_mb_emit_byte (mb, 3);
962 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
963 mono_mb_emit_byte (mb, CEE_BR_S);
964 mono_mb_emit_byte (mb, 1);
965 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
966 mono_mb_emit_byte (mb, CEE_STIND_I1);
968 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
969 mono_mb_emit_ldloc (mb, 1);
970 mono_mb_emit_ldloc (mb, 0);
971 mono_mb_emit_byte (mb, CEE_LDIND_I2);
972 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
973 mono_mb_emit_byte (mb, 3);
974 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
975 mono_mb_emit_byte (mb, CEE_BR_S);
976 mono_mb_emit_byte (mb, 1);
977 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
978 mono_mb_emit_byte (mb, CEE_STIND_I1);
980 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
981 MonoClass *eclass = NULL;
984 if (type->type == MONO_TYPE_SZARRAY) {
985 eclass = type->data.klass;
987 g_assert_not_reached ();
990 if (eclass->valuetype)
991 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
993 esize = sizeof (gpointer);
995 /* create a new array */
996 mono_mb_emit_ldloc (mb, 1);
997 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
998 mono_mb_emit_byte (mb, CEE_NEWARR);
999 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
1000 mono_mb_emit_byte (mb, CEE_STIND_I);
1002 /* copy the elements */
1003 mono_mb_emit_ldloc (mb, 1);
1004 mono_mb_emit_byte (mb, CEE_LDIND_I);
1005 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1006 mono_mb_emit_byte (mb, CEE_ADD);
1007 mono_mb_emit_ldloc (mb, 0);
1008 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1009 mono_mb_emit_byte (mb, CEE_PREFIX1);
1010 mono_mb_emit_byte (mb, CEE_CPBLK);
1014 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1015 mono_mb_emit_ldloc (mb, 1);
1016 mono_mb_emit_ldloc (mb, 0);
1017 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1018 mono_mb_emit_byte (mb, CEE_STIND_I);
1020 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1021 mono_mb_emit_ldloc (mb, 1);
1022 mono_mb_emit_ldloc (mb, 0);
1023 mono_mb_emit_icall (mb, mono_string_from_utf16);
1024 mono_mb_emit_byte (mb, CEE_STIND_I);
1026 case MONO_MARSHAL_CONV_STR_LPTSTR:
1027 case MONO_MARSHAL_CONV_STR_LPSTR:
1028 mono_mb_emit_ldloc (mb, 1);
1029 mono_mb_emit_ldloc (mb, 0);
1030 mono_mb_emit_byte (mb, CEE_LDIND_I);
1031 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1032 mono_mb_emit_byte (mb, CEE_STIND_I);
1034 case MONO_MARSHAL_CONV_STR_LPWSTR:
1035 mono_mb_emit_ldloc (mb, 1);
1036 mono_mb_emit_ldloc (mb, 0);
1037 mono_mb_emit_byte (mb, CEE_LDIND_I);
1038 mono_mb_emit_icall (mb, mono_string_from_utf16);
1039 mono_mb_emit_byte (mb, CEE_STIND_I);
1041 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1042 MonoClass *klass = mono_class_from_mono_type (type);
1043 int src_var, dst_var;
1045 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1046 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1048 /* *dst = new object */
1049 mono_mb_emit_ldloc (mb, 1);
1050 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1051 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1052 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1053 mono_mb_emit_byte (mb, CEE_STIND_I);
1055 /* save the old src pointer */
1056 mono_mb_emit_ldloc (mb, 0);
1057 mono_mb_emit_stloc (mb, src_var);
1058 /* save the old dst pointer */
1059 mono_mb_emit_ldloc (mb, 1);
1060 mono_mb_emit_stloc (mb, dst_var);
1062 /* dst = pointer to newly created object data */
1063 mono_mb_emit_ldloc (mb, 1);
1064 mono_mb_emit_byte (mb, CEE_LDIND_I);
1065 mono_mb_emit_icon (mb, sizeof (MonoObject));
1066 mono_mb_emit_byte (mb, CEE_ADD);
1067 mono_mb_emit_byte (mb, CEE_STLOC_1);
1069 emit_struct_conv (mb, klass, TRUE);
1071 /* restore the old src pointer */
1072 mono_mb_emit_ldloc (mb, src_var);
1073 mono_mb_emit_stloc (mb, 0);
1074 /* restore the old dst pointer */
1075 mono_mb_emit_ldloc (mb, dst_var);
1076 mono_mb_emit_byte (mb, CEE_STLOC_1);
1079 case MONO_MARSHAL_CONV_DEL_FTN: {
1080 MonoClass *klass = mono_class_from_mono_type (type);
1082 mono_mb_emit_ldloc (mb, 1);
1083 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1084 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1085 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1086 mono_mb_emit_ldloc (mb, 0);
1087 mono_mb_emit_byte (mb, CEE_LDIND_I);
1088 mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
1089 mono_mb_emit_byte (mb, CEE_STIND_I);
1092 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1093 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1095 case MONO_MARSHAL_CONV_STR_BSTR:
1096 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1097 case MONO_MARSHAL_CONV_STR_TBSTR:
1098 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1100 g_warning ("marshaling conversion %d not implemented", conv);
1101 g_assert_not_reached ();
1106 conv_to_icall (MonoMarshalConv conv)
1109 case MONO_MARSHAL_CONV_STR_LPWSTR:
1110 return mono_marshal_string_to_utf16;
1111 case MONO_MARSHAL_CONV_LPWSTR_STR:
1112 return mono_string_from_utf16;
1113 case MONO_MARSHAL_CONV_LPSTR_STR:
1114 return mono_string_new_wrapper;
1115 case MONO_MARSHAL_CONV_STR_LPTSTR:
1116 case MONO_MARSHAL_CONV_STR_LPSTR:
1117 return mono_string_to_lpstr;
1118 case MONO_MARSHAL_CONV_STR_BSTR:
1119 return mono_string_to_bstr;
1120 case MONO_MARSHAL_CONV_STR_TBSTR:
1121 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1122 return mono_string_to_ansibstr;
1123 case MONO_MARSHAL_CONV_SB_LPSTR:
1124 case MONO_MARSHAL_CONV_SB_LPTSTR:
1125 return mono_string_builder_to_utf8;
1126 case MONO_MARSHAL_CONV_SB_LPWSTR:
1127 return mono_string_builder_to_utf16;
1128 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1129 return mono_array_to_savearray;
1130 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1131 return mono_array_to_lparray;
1132 case MONO_MARSHAL_CONV_DEL_FTN:
1133 return mono_delegate_to_ftnptr;
1134 case MONO_MARSHAL_CONV_FTN_DEL:
1135 return mono_ftnptr_to_delegate;
1136 case MONO_MARSHAL_CONV_LPSTR_SB:
1137 case MONO_MARSHAL_CONV_LPTSTR_SB:
1138 return mono_string_utf8_to_builder;
1139 case MONO_MARSHAL_CONV_LPWSTR_SB:
1140 return mono_string_utf16_to_builder;
1141 case MONO_MARSHAL_FREE_ARRAY:
1142 return mono_marshal_free_array;
1143 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1144 return mono_string_to_byvalstr;
1145 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1146 return mono_string_to_byvalwstr;
1148 g_assert_not_reached ();
1155 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1156 MonoMarshalSpec *mspec)
1161 case MONO_MARSHAL_CONV_BOOL_I4:
1162 mono_mb_emit_ldloc (mb, 1);
1163 mono_mb_emit_ldloc (mb, 0);
1164 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1165 mono_mb_emit_byte (mb, CEE_STIND_I4);
1167 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1168 mono_mb_emit_ldloc (mb, 1);
1169 mono_mb_emit_ldloc (mb, 0);
1170 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1171 mono_mb_emit_byte (mb, CEE_NEG);
1172 mono_mb_emit_byte (mb, CEE_STIND_I2);
1174 case MONO_MARSHAL_CONV_STR_LPWSTR:
1175 case MONO_MARSHAL_CONV_STR_LPSTR:
1176 case MONO_MARSHAL_CONV_STR_LPTSTR:
1177 case MONO_MARSHAL_CONV_STR_BSTR:
1178 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1179 case MONO_MARSHAL_CONV_STR_TBSTR: {
1182 /* free space if free == true */
1183 mono_mb_emit_ldloc (mb, 2);
1184 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1186 mono_mb_emit_byte (mb, 0);
1187 mono_mb_emit_ldloc (mb, 1);
1188 mono_mb_emit_byte (mb, CEE_LDIND_I);
1189 mono_mb_emit_icall (mb, g_free);
1190 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1192 mono_mb_emit_ldloc (mb, 1);
1193 mono_mb_emit_ldloc (mb, 0);
1194 mono_mb_emit_byte (mb, CEE_LDIND_I);
1195 mono_mb_emit_icall (mb, conv_to_icall (conv));
1196 mono_mb_emit_byte (mb, CEE_STIND_I);
1199 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1200 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1201 case MONO_MARSHAL_CONV_DEL_FTN:
1202 mono_mb_emit_ldloc (mb, 1);
1203 mono_mb_emit_ldloc (mb, 0);
1204 mono_mb_emit_byte (mb, CEE_LDIND_I);
1205 mono_mb_emit_icall (mb, conv_to_icall (conv));
1206 mono_mb_emit_byte (mb, CEE_STIND_I);
1208 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1209 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1213 mono_mb_emit_ldloc (mb, 1); /* dst */
1214 mono_mb_emit_ldloc (mb, 0);
1215 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1216 mono_mb_emit_icon (mb, usize);
1217 mono_mb_emit_icall (mb, conv_to_icall (conv));
1220 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1221 MonoClass *eclass = NULL;
1224 if (type->type == MONO_TYPE_SZARRAY) {
1225 eclass = type->data.klass;
1227 g_assert_not_reached ();
1230 if (eclass->valuetype)
1231 esize = mono_class_native_size (eclass, NULL);
1233 esize = sizeof (gpointer);
1238 mono_mb_emit_ldloc (mb, 0);
1239 mono_mb_emit_byte (mb, CEE_LDIND_I);
1240 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1242 mono_mb_emit_byte (mb, 0);
1244 mono_mb_emit_ldloc (mb, 1);
1245 mono_mb_emit_ldloc (mb, 0);
1246 mono_mb_emit_byte (mb, CEE_LDIND_I);
1247 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1248 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1249 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1250 mono_mb_emit_byte (mb, CEE_ADD);
1251 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1252 mono_mb_emit_byte (mb, CEE_PREFIX1);
1253 mono_mb_emit_byte (mb, CEE_CPBLK);
1254 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1257 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1258 int src_var, dst_var;
1260 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1261 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1263 mono_mb_emit_ldloc (mb, 0);
1264 mono_mb_emit_byte (mb, CEE_LDIND_I);
1265 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1267 mono_mb_emit_byte (mb, 0);
1269 /* save the old src pointer */
1270 mono_mb_emit_ldloc (mb, 0);
1271 mono_mb_emit_stloc (mb, src_var);
1272 /* save the old dst pointer */
1273 mono_mb_emit_ldloc (mb, 1);
1274 mono_mb_emit_stloc (mb, dst_var);
1276 /* src = pointer to object data */
1277 mono_mb_emit_ldloc (mb, 0);
1278 mono_mb_emit_byte (mb, CEE_LDIND_I);
1279 mono_mb_emit_icon (mb, sizeof (MonoObject));
1280 mono_mb_emit_byte (mb, CEE_ADD);
1281 mono_mb_emit_stloc (mb, 0);
1283 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1285 /* restore the old src pointer */
1286 mono_mb_emit_ldloc (mb, src_var);
1287 mono_mb_emit_stloc (mb, 0);
1288 /* restore the old dst pointer */
1289 mono_mb_emit_ldloc (mb, dst_var);
1290 mono_mb_emit_byte (mb, CEE_STLOC_1);
1292 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1296 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1297 MonoException *exc = mono_get_exception_not_implemented (msg);
1300 mono_raise_exception (exc);
1306 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1308 MonoMarshalType *info;
1312 emit_struct_conv(mb, klass->parent, to_object);
1314 info = mono_marshal_load_type_info (klass);
1316 if (info->native_size == 0)
1319 if (klass->blittable) {
1320 int msize = mono_class_value_size (klass, NULL);
1321 g_assert (msize == info->native_size);
1322 mono_mb_emit_ldloc (mb, 1);
1323 mono_mb_emit_ldloc (mb, 0);
1324 mono_mb_emit_icon (mb, msize);
1325 mono_mb_emit_byte (mb, CEE_PREFIX1);
1326 mono_mb_emit_byte (mb, CEE_CPBLK);
1328 mono_mb_emit_add_to_local (mb, 0, msize);
1329 mono_mb_emit_add_to_local (mb, 1, msize);
1333 for (i = 0; i < info->num_fields; i++) {
1334 MonoMarshalNative ntype;
1335 MonoMarshalConv conv;
1336 MonoType *ftype = info->fields [i].field->type;
1339 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1341 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1344 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1347 msize = klass->instance_size - info->fields [i].field->offset;
1348 usize = info->native_size - info->fields [i].offset;
1350 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1351 usize = info->fields [i + 1].offset - info->fields [i].offset;
1353 if ((msize < 0) || (usize < 0))
1354 /* This happens with GC aware auto layout */
1355 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1357 g_assert ((msize >= 0) && (usize >= 0));
1360 case MONO_MARSHAL_CONV_NONE: {
1363 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1364 ftype->type == MONO_TYPE_U) {
1365 mono_mb_emit_ldloc (mb, 1);
1366 mono_mb_emit_ldloc (mb, 0);
1367 mono_mb_emit_byte (mb, CEE_LDIND_I);
1368 mono_mb_emit_byte (mb, CEE_STIND_I);
1377 #if SIZEOF_VOID_P == 4
1380 mono_mb_emit_ldloc (mb, 1);
1381 mono_mb_emit_ldloc (mb, 0);
1382 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1383 mono_mb_emit_byte (mb, CEE_STIND_I4);
1387 case MONO_TYPE_BOOLEAN:
1388 mono_mb_emit_ldloc (mb, 1);
1389 mono_mb_emit_ldloc (mb, 0);
1390 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1391 mono_mb_emit_byte (mb, CEE_STIND_I1);
1395 case MONO_TYPE_CHAR:
1396 mono_mb_emit_ldloc (mb, 1);
1397 mono_mb_emit_ldloc (mb, 0);
1398 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1399 mono_mb_emit_byte (mb, CEE_STIND_I2);
1403 #if SIZEOF_VOID_P == 8
1406 mono_mb_emit_ldloc (mb, 1);
1407 mono_mb_emit_ldloc (mb, 0);
1408 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1409 mono_mb_emit_byte (mb, CEE_STIND_I8);
1412 mono_mb_emit_ldloc (mb, 1);
1413 mono_mb_emit_ldloc (mb, 0);
1414 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1415 mono_mb_emit_byte (mb, CEE_STIND_R4);
1418 mono_mb_emit_ldloc (mb, 1);
1419 mono_mb_emit_ldloc (mb, 0);
1420 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1421 mono_mb_emit_byte (mb, CEE_STIND_R8);
1423 case MONO_TYPE_VALUETYPE:
1424 if (ftype->data.klass->enumtype) {
1425 t = ftype->data.klass->enum_basetype->type;
1428 emit_struct_conv (mb, ftype->data.klass, to_object);
1431 g_warning ("marshaling type %02x not implemented", ftype->type);
1432 g_assert_not_reached ();
1438 emit_ptr_to_object_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1440 emit_object_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1444 mono_mb_emit_add_to_local (mb, 0, usize);
1445 mono_mb_emit_add_to_local (mb, 1, msize);
1447 mono_mb_emit_add_to_local (mb, 0, msize);
1448 mono_mb_emit_add_to_local (mb, 1, usize);
1454 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1456 /* Call DestroyStructure */
1457 /* FIXME: Only do this if needed */
1458 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1459 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1460 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1461 mono_mb_emit_ldloc (mb, struct_var);
1462 mono_mb_emit_icall (mb, mono_struct_delete_old);
1466 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1470 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1471 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1472 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1473 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1474 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1476 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1477 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1479 mono_mb_emit_icall (mb, checkpoint_func);
1481 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1485 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1487 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1490 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1494 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1496 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1499 static MonoAsyncResult *
1500 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1502 MonoMethodMessage *msg;
1503 MonoDelegate *async_callback;
1507 MonoMethod *method = NULL, *method2 = NULL;
1509 g_assert (delegate);
1511 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1513 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1514 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1516 /* If the target is a proxy, make a direct call. Is proxy's work
1517 // to make the call asynchronous.
1519 MonoAsyncResult *ares;
1521 MonoArray *out_args;
1523 method = delegate->method_info->method;
1525 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1526 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1527 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1528 ares->async_delegate = (MonoObject *)delegate;
1529 ares->async_callback = (MonoObject *)async_callback;
1530 msg->async_result = ares;
1531 msg->call_type = CallType_BeginInvoke;
1533 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1538 klass = delegate->object.vtable->klass;
1540 method = mono_get_delegate_invoke (klass);
1541 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
1544 g_assert (method != NULL);
1546 im = mono_get_delegate_invoke (method->klass);
1547 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1549 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1553 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1555 int i, params_var, tmp_var;
1557 /* allocate local (pointer) *params[] */
1558 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1559 /* allocate local (pointer) tmp */
1560 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1562 /* alloate space on stack to store an array of pointers to the arguments */
1563 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1564 mono_mb_emit_byte (mb, CEE_PREFIX1);
1565 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1566 mono_mb_emit_stloc (mb, params_var);
1569 mono_mb_emit_ldloc (mb, params_var);
1570 mono_mb_emit_stloc (mb, tmp_var);
1572 if (save_this && sig->hasthis) {
1573 mono_mb_emit_ldloc (mb, tmp_var);
1574 mono_mb_emit_ldarg_addr (mb, 0);
1575 mono_mb_emit_byte (mb, CEE_STIND_I);
1576 /* tmp = tmp + sizeof (gpointer) */
1577 if (sig->param_count)
1578 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1582 for (i = 0; i < sig->param_count; i++) {
1583 mono_mb_emit_ldloc (mb, tmp_var);
1584 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1585 mono_mb_emit_byte (mb, CEE_STIND_I);
1586 /* tmp = tmp + sizeof (gpointer) */
1587 if (i < (sig->param_count - 1))
1588 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1595 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1599 GString *res = g_string_new ("");
1602 g_string_append (res, prefix);
1603 g_string_append_c (res, '_');
1606 mono_type_get_desc (res, sig->ret, FALSE);
1608 for (i = 0; i < sig->param_count; ++i) {
1609 g_string_append_c (res, '_');
1610 mono_type_get_desc (res, sig->params [i], FALSE);
1613 g_string_free (res, FALSE);
1618 * mono_marshal_get_string_encoding:
1620 * Return the string encoding which should be used for a given parameter.
1622 static MonoMarshalNative
1623 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1625 /* First try the parameter marshal info */
1627 if (spec->native == MONO_NATIVE_LPARRAY) {
1628 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
1629 return spec->data.array_data.elem_type;
1632 return spec->native;
1636 return MONO_NATIVE_LPSTR;
1638 /* Then try the method level marshal info */
1639 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1640 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1641 return MONO_NATIVE_LPSTR;
1642 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1643 return MONO_NATIVE_LPWSTR;
1644 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1645 #ifdef PLATFORM_WIN32
1646 return MONO_NATIVE_LPWSTR;
1648 return MONO_NATIVE_LPSTR;
1651 return MONO_NATIVE_LPSTR;
1655 static MonoMarshalConv
1656 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1658 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1661 case MONO_NATIVE_LPWSTR:
1662 return MONO_MARSHAL_CONV_STR_LPWSTR;
1663 case MONO_NATIVE_LPSTR:
1664 return MONO_MARSHAL_CONV_STR_LPSTR;
1665 case MONO_NATIVE_LPTSTR:
1666 return MONO_MARSHAL_CONV_STR_LPTSTR;
1672 static MonoMarshalConv
1673 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1675 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1678 case MONO_NATIVE_LPWSTR:
1679 return MONO_MARSHAL_CONV_SB_LPWSTR;
1681 case MONO_NATIVE_LPSTR:
1682 return MONO_MARSHAL_CONV_SB_LPSTR;
1684 case MONO_NATIVE_LPTSTR:
1685 return MONO_MARSHAL_CONV_SB_LPTSTR;
1692 static MonoMarshalConv
1693 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1695 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1700 case MONO_NATIVE_LPWSTR:
1701 return MONO_MARSHAL_CONV_LPWSTR_STR;
1702 case MONO_NATIVE_LPSTR:
1703 return MONO_MARSHAL_CONV_LPSTR_STR;
1704 case MONO_NATIVE_LPTSTR:
1705 return MONO_MARSHAL_CONV_LPTSTR_STR;
1711 static MonoMarshalConv
1712 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1714 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1719 case MONO_NATIVE_LPWSTR:
1721 * mono_string_builder_to_utf16 does not allocate a
1722 * new buffer, so no need to free it.
1725 return MONO_MARSHAL_CONV_LPWSTR_SB;
1726 case MONO_NATIVE_LPSTR:
1727 return MONO_MARSHAL_CONV_LPSTR_SB;
1729 case MONO_NATIVE_LPTSTR:
1730 return MONO_MARSHAL_CONV_LPTSTR_SB;
1738 * Return whenever a field of a native structure or an array member needs to
1742 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1744 MonoMarshalNative encoding;
1745 MonoMarshalConv conv;
1748 case MONO_TYPE_VALUETYPE:
1749 /* FIXME: Optimize this */
1751 case MONO_TYPE_OBJECT:
1752 case MONO_TYPE_CLASS:
1753 if (t->data.klass == mono_defaults.stringbuilder_class) {
1755 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1759 case MONO_TYPE_STRING:
1760 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1761 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1767 static inline MonoMethod*
1768 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1772 mono_marshal_lock ();
1773 res = g_hash_table_lookup (cache, key);
1774 mono_marshal_unlock ();
1778 /* Create the method from the builder and place it in the cache */
1779 static inline MonoMethod*
1780 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1781 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1786 mono_marshal_lock ();
1787 res = g_hash_table_lookup (cache, key);
1789 /* This does not acquire any locks */
1790 res = mono_mb_create_method (mb, sig, max_stack);
1791 g_hash_table_insert (cache, key, res);
1792 g_hash_table_insert (wrapper_hash, res, key);
1794 mono_marshal_unlock ();
1800 static inline MonoMethod*
1801 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1803 MonoMethod *res = NULL;
1804 MonoRemotingMethods *wrps;
1806 mono_marshal_lock ();
1807 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1810 switch (wrapper_type) {
1811 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1812 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1813 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1814 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1818 mono_marshal_unlock ();
1822 /* Create the method from the builder and place it in the cache */
1823 static inline MonoMethod*
1824 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1825 MonoMethodSignature *sig, int max_stack)
1827 MonoMethod **res = NULL;
1828 MonoRemotingMethods *wrps;
1829 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1831 mono_marshal_lock ();
1832 wrps = g_hash_table_lookup (cache, key);
1834 wrps = g_new0 (MonoRemotingMethods, 1);
1835 g_hash_table_insert (cache, key, wrps);
1838 switch (mb->method->wrapper_type) {
1839 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1840 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1841 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1842 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1843 default: g_assert_not_reached (); break;
1847 /* This does not acquire any locks */
1848 *res = mono_mb_create_method (mb, sig, max_stack);
1849 g_hash_table_insert (wrapper_hash, *res, key);
1852 mono_marshal_unlock ();
1858 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1862 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1865 mono_marshal_lock ();
1866 res = g_hash_table_lookup (wrapper_hash, wrapper);
1867 mono_marshal_unlock ();
1872 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1874 MonoMethodSignature *sig;
1875 static MonoMethodSignature *csig = NULL;
1876 MonoMethodBuilder *mb;
1882 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1883 !strcmp (method->name, "BeginInvoke"));
1885 sig = signature_no_pinvoke (mono_method_signature (method));
1887 cache = method->klass->image->delegate_begin_invoke_cache;
1888 if ((res = mono_marshal_find_in_cache (cache, sig)))
1891 g_assert (sig->hasthis);
1894 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1896 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1897 csig->ret = &mono_defaults.object_class->byval_arg;
1898 csig->params [0] = &mono_defaults.object_class->byval_arg;
1899 csig->params [1] = &mono_defaults.int_class->byval_arg;
1902 name = mono_signature_to_name (sig, "begin_invoke");
1903 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1906 mb->method->save_lmf = 1;
1908 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1910 mono_mb_emit_ldarg (mb, 0);
1911 mono_mb_emit_ldloc (mb, params_var);
1912 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1913 emit_thread_interrupt_checkpoint (mb);
1914 mono_mb_emit_byte (mb, CEE_RET);
1916 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1922 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1924 MonoDomain *domain = mono_domain_get ();
1925 MonoAsyncResult *ares;
1926 MonoMethod *method = NULL;
1927 MonoMethodSignature *sig;
1928 MonoMethodMessage *msg;
1929 MonoObject *res, *exc;
1930 MonoArray *out_args;
1933 g_assert (delegate);
1935 if (!delegate->method_info || !delegate->method_info->method)
1936 g_assert_not_reached ();
1938 klass = delegate->object.vtable->klass;
1940 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
1941 g_assert (method != NULL);
1943 sig = signature_no_pinvoke (mono_method_signature (method));
1945 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1947 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1950 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1951 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1952 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1953 mono_message_init (domain, msg, delegate->method_info, NULL);
1954 msg->call_type = CallType_EndInvoke;
1955 msg->async_result = ares;
1956 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1959 res = mono_thread_pool_finish (ares, &out_args, &exc);
1962 if (((MonoException*)exc)->stack_trace) {
1963 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1965 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1967 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1970 mono_raise_exception ((MonoException*)exc);
1973 mono_method_return_message_restore (method, params, out_args);
1978 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1980 if (return_type->byref)
1981 return_type = &mono_defaults.int_class->byval_arg;
1982 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1983 return_type = return_type->data.klass->enum_basetype;
1985 switch (return_type->type) {
1986 case MONO_TYPE_VOID:
1987 g_assert_not_reached ();
1990 case MONO_TYPE_STRING:
1991 case MONO_TYPE_CLASS:
1992 case MONO_TYPE_OBJECT:
1993 case MONO_TYPE_ARRAY:
1994 case MONO_TYPE_SZARRAY:
1998 case MONO_TYPE_BOOLEAN:
1999 mono_mb_emit_byte (mb, CEE_UNBOX);
2000 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2001 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2004 mono_mb_emit_byte (mb, CEE_UNBOX);
2005 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2006 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2009 case MONO_TYPE_CHAR:
2010 mono_mb_emit_byte (mb, CEE_UNBOX);
2011 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2012 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2015 mono_mb_emit_byte (mb, CEE_UNBOX);
2016 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2017 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2021 mono_mb_emit_byte (mb, CEE_UNBOX);
2022 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2023 mono_mb_emit_byte (mb, CEE_LDIND_I);
2026 mono_mb_emit_byte (mb, CEE_UNBOX);
2027 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2028 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2031 mono_mb_emit_byte (mb, CEE_UNBOX);
2032 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2033 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2037 mono_mb_emit_byte (mb, CEE_UNBOX);
2038 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2039 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2042 mono_mb_emit_byte (mb, CEE_UNBOX);
2043 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2044 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2047 mono_mb_emit_byte (mb, CEE_UNBOX);
2048 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2049 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2051 case MONO_TYPE_VALUETYPE: {
2053 mono_mb_emit_byte (mb, CEE_UNBOX);
2054 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2055 mono_mb_emit_i4 (mb, class);
2056 mono_mb_emit_byte (mb, CEE_LDOBJ);
2057 mono_mb_emit_i4 (mb, class);
2061 g_warning ("type 0x%x not handled", return_type->type);
2062 g_assert_not_reached ();
2065 mono_mb_emit_byte (mb, CEE_RET);
2069 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2071 MonoMethodSignature *sig;
2072 static MonoMethodSignature *csig = NULL;
2073 MonoMethodBuilder *mb;
2079 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2080 !strcmp (method->name, "EndInvoke"));
2082 sig = signature_no_pinvoke (mono_method_signature (method));
2084 cache = method->klass->image->delegate_end_invoke_cache;
2085 if ((res = mono_marshal_find_in_cache (cache, sig)))
2088 g_assert (sig->hasthis);
2091 csig = mono_metadata_signature_alloc (method->klass->image, 2);
2093 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
2094 csig->ret = &mono_defaults.object_class->byval_arg;
2095 csig->params [0] = &mono_defaults.object_class->byval_arg;
2096 csig->params [1] = &mono_defaults.int_class->byval_arg;
2099 name = mono_signature_to_name (sig, "end_invoke");
2100 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2103 mb->method->save_lmf = 1;
2105 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2107 mono_mb_emit_ldarg (mb, 0);
2108 mono_mb_emit_ldloc (mb, params_var);
2109 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
2110 emit_thread_interrupt_checkpoint (mb);
2112 if (sig->ret->type == MONO_TYPE_VOID) {
2113 mono_mb_emit_byte (mb, CEE_POP);
2114 mono_mb_emit_byte (mb, CEE_RET);
2116 mono_mb_emit_restore_result (mb, sig->ret);
2118 res = mono_mb_create_and_cache (cache, sig,
2119 mb, sig, sig->param_count + 16);
2126 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2128 MonoMethodMessage *msg;
2129 MonoTransparentProxy *this;
2130 MonoObject *res, *exc;
2131 MonoArray *out_args;
2133 this = *((MonoTransparentProxy **)params [0]);
2136 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2138 /* skip the this pointer */
2141 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2144 MonoMethodSignature *sig = mono_method_signature (method);
2145 int count = sig->param_count;
2146 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2148 for (i=0; i<count; i++) {
2149 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2150 if (class->valuetype) {
2151 if (sig->params [i]->byref)
2152 mparams[i] = *((gpointer *)params [i]);
2154 mparams[i] = params [i];
2156 mparams[i] = *((gpointer**)params [i]);
2160 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2163 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2165 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2168 mono_raise_exception ((MonoException *)exc);
2170 mono_method_return_message_restore (method, params, out_args);
2176 mono_marshal_get_remoting_invoke (MonoMethod *method)
2178 MonoMethodSignature *sig;
2179 static MonoMethodSignature *csig = NULL;
2180 MonoMethodBuilder *mb;
2186 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2189 sig = signature_no_pinvoke (mono_method_signature (method));
2191 /* we cant remote methods without this pointer */
2195 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2199 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2200 csig->params [0] = &mono_defaults.int_class->byval_arg;
2201 csig->params [1] = &mono_defaults.int_class->byval_arg;
2202 csig->ret = &mono_defaults.object_class->byval_arg;
2206 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2207 mb->method->save_lmf = 1;
2209 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2211 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2212 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2213 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2214 mono_mb_emit_ldloc (mb, params_var);
2215 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2216 emit_thread_interrupt_checkpoint (mb);
2218 if (sig->ret->type == MONO_TYPE_VOID) {
2219 mono_mb_emit_byte (mb, CEE_POP);
2220 mono_mb_emit_byte (mb, CEE_RET);
2222 mono_mb_emit_restore_result (mb, sig->ret);
2225 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2231 /* mono_get_xdomain_marshal_type()
2232 * Returns the kind of marshalling that a type needs for cross domain calls.
2234 static MonoXDomainMarshalType
2235 mono_get_xdomain_marshal_type (MonoType *t)
2238 case MONO_TYPE_VOID:
2239 g_assert_not_reached ();
2243 case MONO_TYPE_BOOLEAN:
2246 case MONO_TYPE_CHAR:
2253 return MONO_MARSHAL_NONE;
2254 case MONO_TYPE_STRING:
2255 return MONO_MARSHAL_COPY;
2256 case MONO_TYPE_ARRAY:
2257 case MONO_TYPE_SZARRAY: {
2258 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2259 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2260 return MONO_MARSHAL_COPY;
2265 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2266 return MONO_MARSHAL_COPY;
2268 return MONO_MARSHAL_SERIALIZE;
2272 /* mono_marshal_xdomain_copy_value
2273 * Makes a copy of "val" suitable for the current domain.
2276 mono_marshal_xdomain_copy_value (MonoObject *val)
2279 if (val == NULL) return NULL;
2281 domain = mono_domain_get ();
2283 switch (mono_object_class (val)->byval_arg.type) {
2284 case MONO_TYPE_VOID:
2285 g_assert_not_reached ();
2289 case MONO_TYPE_BOOLEAN:
2292 case MONO_TYPE_CHAR:
2298 case MONO_TYPE_R8: {
2299 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2301 case MONO_TYPE_STRING: {
2302 MonoString *str = (MonoString *) val;
2303 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2305 case MONO_TYPE_ARRAY:
2306 case MONO_TYPE_SZARRAY: {
2308 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2309 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2310 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2311 if (mt == MONO_MARSHAL_COPY) {
2312 int i, len = mono_array_length (acopy);
2313 for (i = 0; i < len; i++) {
2314 MonoObject *item = mono_array_get (acopy, gpointer, i);
2315 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2318 return (MonoObject *) acopy;
2322 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2323 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2324 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2325 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2326 newsb->length = oldsb->length;
2327 newsb->max_capacity = (gint32)0x7fffffff;
2328 return (MonoObject *) newsb;
2333 /* mono_marshal_xdomain_copy_out_value()
2334 * Copies the contents of the src instance into the dst instance. src and dst
2335 * must have the same type, and if they are arrays, the same size.
2338 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2340 if (src == NULL || dst == NULL) return;
2342 g_assert (mono_object_class (src) == mono_object_class (dst));
2344 switch (mono_object_class (src)->byval_arg.type) {
2345 case MONO_TYPE_ARRAY:
2346 case MONO_TYPE_SZARRAY: {
2347 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2348 if (mt == MONO_MARSHAL_SERIALIZE) return;
2349 if (mt == MONO_MARSHAL_COPY) {
2350 int i, len = mono_array_length ((MonoArray *)dst);
2351 for (i = 0; i < len; i++) {
2352 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2353 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2356 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2362 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2363 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2364 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2366 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2367 dst_sb->cached_str = NULL;
2368 dst_sb->length = src_sb->length;
2373 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2375 static MonoMethodSignature *csig = NULL;
2377 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2378 csig->params [0] = &mono_defaults.object_class->byval_arg;
2379 csig->ret = &mono_defaults.object_class->byval_arg;
2383 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2384 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2385 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2389 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2391 static MonoMethodSignature *csig = NULL;
2393 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2394 csig->params [0] = &mono_defaults.object_class->byval_arg;
2395 csig->params [1] = &mono_defaults.object_class->byval_arg;
2396 csig->ret = &mono_defaults.void_class->byval_arg;
2400 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2403 /* mono_marshal_supports_fast_xdomain()
2404 * Returns TRUE if the method can use the fast xdomain wrapper.
2407 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2409 return !method->klass->contextbound &&
2410 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2414 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2416 MonoDomain *current_domain = mono_domain_get ();
2417 MonoDomain *domain = mono_domain_get_by_id (id);
2419 if (!domain || !mono_domain_set (domain, FALSE))
2420 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2423 mono_thread_push_appdomain_ref (domain);
2425 mono_thread_pop_appdomain_ref ();
2427 return current_domain->domain_id;
2431 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2433 static MonoMethodSignature *csig = NULL;
2435 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2436 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2437 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2438 csig->ret = &mono_defaults.int32_class->byval_arg;
2442 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2445 /* mono_marshal_emit_load_domain_method ()
2446 * Loads into the stack a pointer to the code of the provided method for
2447 * the current domain.
2450 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2452 static MonoMethodSignature *csig = NULL;
2454 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2455 csig->params [0] = &mono_defaults.int_class->byval_arg;
2456 csig->ret = &mono_defaults.int_class->byval_arg;
2460 /* We need a pointer to the method for the running domain (not the domain
2461 * that compiles the method).
2463 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2464 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2465 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2466 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2469 /* mono_marshal_get_xappdomain_dispatch ()
2470 * Generates a method that dispatches a method call from another domain into
2471 * the current domain.
2474 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2476 MonoMethodSignature *sig, *csig;
2477 MonoMethodBuilder *mb;
2479 int i, j, param_index, copy_locals_base;
2480 MonoClass *ret_class = NULL;
2481 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2482 MonoExceptionClause *main_clause;
2483 MonoMethodHeader *header;
2485 gboolean copy_return;
2487 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2490 sig = mono_method_signature (method);
2491 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2494 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2495 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2496 csig->params [j++] = &byte_array_class->this_arg;
2497 csig->params [j++] = &byte_array_class->this_arg;
2498 for (i = 0; i < sig->param_count; i++) {
2499 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2500 csig->params [j++] = sig->params [i];
2503 csig->ret = sig->ret;
2505 csig->ret = &mono_defaults.void_class->byval_arg;
2507 csig->hasthis = FALSE;
2509 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2510 mb->method->save_lmf = 1;
2514 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2515 if (complex_count > 0)
2516 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2517 if (sig->ret->type != MONO_TYPE_VOID) {
2518 loc_return = mono_mb_add_local (mb, sig->ret);
2519 ret_class = mono_class_from_mono_type (sig->ret);
2524 main_clause = g_new0 (MonoExceptionClause, 1);
2525 main_clause->try_offset = mb->pos;
2527 /* Clean the call context */
2529 mono_mb_emit_byte (mb, CEE_LDNULL);
2530 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2531 mono_mb_emit_byte (mb, CEE_POP);
2533 /* Deserialize call data */
2535 mono_mb_emit_ldarg (mb, 1);
2536 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2537 mono_mb_emit_byte (mb, CEE_DUP);
2538 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2540 mono_mb_emit_byte (mb, 0);
2542 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2543 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2545 if (complex_count > 0)
2546 mono_mb_emit_stloc (mb, loc_array);
2548 mono_mb_emit_byte (mb, CEE_POP);
2550 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2552 /* Get the target object */
2554 mono_mb_emit_ldarg (mb, 0);
2555 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2557 /* Load the arguments */
2559 copy_locals_base = mb->locals;
2560 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2562 for (i = 0; i < sig->param_count; i++) {
2563 MonoType *pt = sig->params [i];
2564 MonoClass *pclass = mono_class_from_mono_type (pt);
2565 switch (marshal_types [i]) {
2566 case MONO_MARSHAL_SERIALIZE: {
2567 /* take the value from the serialized array */
2568 mono_mb_emit_ldloc (mb, loc_array);
2569 mono_mb_emit_icon (mb, j++);
2571 if (pclass->valuetype) {
2572 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2573 mono_mb_emit_byte (mb, CEE_UNBOX);
2574 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2576 mono_mb_emit_byte (mb, CEE_LDELEMA);
2577 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2580 if (pclass->valuetype) {
2581 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2582 mono_mb_emit_byte (mb, CEE_UNBOX);
2583 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2584 mono_mb_emit_byte (mb, CEE_LDOBJ);
2585 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2587 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2588 if (pclass != mono_defaults.object_class) {
2589 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2590 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2596 case MONO_MARSHAL_COPY_OUT: {
2597 /* Keep a local copy of the value since we need to copy it back after the call */
2598 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2599 mono_mb_emit_ldarg (mb, param_index++);
2600 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2601 mono_mb_emit_byte (mb, CEE_DUP);
2602 mono_mb_emit_stloc (mb, copy_local);
2605 case MONO_MARSHAL_COPY: {
2606 mono_mb_emit_ldarg (mb, param_index);
2608 mono_mb_emit_byte (mb, CEE_DUP);
2609 mono_mb_emit_byte (mb, CEE_DUP);
2610 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2611 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2612 mono_mb_emit_byte (mb, CEE_STIND_REF);
2614 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2619 case MONO_MARSHAL_NONE:
2620 mono_mb_emit_ldarg (mb, param_index++);
2625 /* Make the call to the real object */
2627 emit_thread_force_interrupt_checkpoint (mb);
2629 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2630 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2632 if (sig->ret->type != MONO_TYPE_VOID)
2633 mono_mb_emit_stloc (mb, loc_return);
2635 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2639 for (i = 0; i < sig->param_count; i++) {
2640 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2641 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2642 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2643 mono_mb_emit_ldarg (mb, param_index);
2644 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2649 /* Serialize the return values */
2651 if (complex_out_count > 0) {
2652 /* Reset parameters in the array that don't need to be serialized back */
2654 for (i = 0; i < sig->param_count; i++) {
2655 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2656 if (!sig->params [i]->byref) {
2657 mono_mb_emit_ldloc (mb, loc_array);
2658 mono_mb_emit_icon (mb, j);
2659 mono_mb_emit_byte (mb, CEE_LDNULL);
2660 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2665 /* Add the return value to the array */
2667 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2668 mono_mb_emit_ldloc (mb, loc_array);
2669 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2670 mono_mb_emit_ldloc (mb, loc_return);
2671 if (ret_class->valuetype) {
2672 mono_mb_emit_byte (mb, CEE_BOX);
2673 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2675 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2680 mono_mb_emit_ldarg (mb, 1);
2681 mono_mb_emit_ldloc (mb, loc_array);
2682 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2683 mono_mb_emit_byte (mb, CEE_STIND_REF);
2684 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2685 mono_mb_emit_ldarg (mb, 1);
2686 mono_mb_emit_ldloc (mb, loc_return);
2687 if (ret_class->valuetype) {
2688 mono_mb_emit_byte (mb, CEE_BOX);
2689 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2691 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2692 mono_mb_emit_byte (mb, CEE_STIND_REF);
2694 mono_mb_emit_ldarg (mb, 1);
2695 mono_mb_emit_byte (mb, CEE_LDNULL);
2696 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2697 mono_mb_emit_byte (mb, CEE_STIND_REF);
2700 mono_mb_emit_ldarg (mb, 2);
2701 mono_mb_emit_byte (mb, CEE_LDNULL);
2702 mono_mb_emit_byte (mb, CEE_STIND_REF);
2703 mono_mb_emit_byte (mb, CEE_LEAVE);
2704 pos_leave = mb->pos;
2705 mono_mb_emit_i4 (mb, 0);
2707 /* Main exception catch */
2708 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2709 main_clause->try_len = mb->pos - main_clause->try_offset;
2710 main_clause->data.catch_class = mono_defaults.object_class;
2713 main_clause->handler_offset = mb->pos;
2714 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2715 mono_mb_emit_stloc (mb, loc_serialized_exc);
2716 mono_mb_emit_ldarg (mb, 2);
2717 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2718 mono_mb_emit_byte (mb, CEE_STIND_REF);
2719 mono_mb_emit_byte (mb, CEE_LEAVE);
2720 mono_mb_emit_i4 (mb, 0);
2721 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2724 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2727 mono_mb_emit_ldloc (mb, loc_return);
2729 mono_mb_emit_byte (mb, CEE_RET);
2731 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2734 header = ((MonoMethodNormal *)res)->header;
2735 header->num_clauses = 1;
2736 header->clauses = main_clause;
2741 /* mono_marshal_get_xappdomain_invoke ()
2742 * Generates a fast remoting wrapper for cross app domain calls.
2745 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2747 MonoMethodSignature *sig;
2748 static MonoMethodSignature *sig_context_get;
2749 static MonoMethodSignature *sig_context_set;
2750 MonoMethodBuilder *mb;
2752 int i, j, complex_count, complex_out_count, copy_locals_base;
2754 MonoClass *ret_class = NULL;
2755 MonoMethod *xdomain_method;
2756 int ret_marshal_type = MONO_MARSHAL_NONE;
2757 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2758 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
2760 gboolean copy_return = FALSE;
2764 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2767 /* we cant remote methods without this pointer */
2768 if (!mono_method_signature (method)->hasthis)
2771 if (!mono_marshal_supports_fast_xdomain (method))
2772 return mono_marshal_get_remoting_invoke (method);
2774 mono_remoting_marshal_init ();
2776 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2779 sig = signature_no_pinvoke (mono_method_signature (method));
2781 if (sig_context_set == NULL) {
2782 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2783 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2784 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2785 sig_context_set->pinvoke = 1;
2787 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2788 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2789 sig_context_get->pinvoke = 1;
2792 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2793 mb->method->save_lmf = 1;
2795 /* Count the number of parameters that need to be serialized */
2797 marshal_types = alloca (sizeof (int) * sig->param_count);
2798 complex_count = complex_out_count = 0;
2799 for (i = 0; i < sig->param_count; i++) {
2800 MonoType *ptype = sig->params[i];
2801 int mt = mono_get_xdomain_marshal_type (ptype);
2803 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2804 * the copy will be made by reusing the original object instance
2806 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2807 mt = MONO_MARSHAL_COPY_OUT;
2808 else if (mt == MONO_MARSHAL_SERIALIZE) {
2810 if (ptype->byref) complex_out_count++;
2812 marshal_types [i] = mt;
2815 if (sig->ret->type != MONO_TYPE_VOID) {
2816 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2817 ret_class = mono_class_from_mono_type (sig->ret);
2818 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2823 if (complex_count > 0)
2824 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2825 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2826 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2828 loc_return = mono_mb_add_local (mb, sig->ret);
2829 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2830 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2831 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2833 /* Save thread domain data */
2835 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2836 mono_mb_emit_byte (mb, CEE_DUP);
2837 mono_mb_emit_stloc (mb, loc_context);
2839 /* If the thread is not running in the default context, it needs to go
2840 * through the whole remoting sink, since the context is going to change
2842 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2843 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2845 mono_mb_emit_byte (mb, 0);
2847 mono_mb_emit_ldarg (mb, 0);
2848 for (i = 0; i < sig->param_count; i++)
2849 mono_mb_emit_ldarg (mb, i + 1);
2851 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2852 mono_mb_emit_byte (mb, CEE_RET);
2853 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2855 /* Create the array that will hold the parameters to be serialized */
2857 if (complex_count > 0) {
2858 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 */
2859 mono_mb_emit_byte (mb, CEE_NEWARR);
2860 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2863 for (i = 0; i < sig->param_count; i++) {
2865 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2866 pclass = mono_class_from_mono_type (sig->params[i]);
2867 mono_mb_emit_byte (mb, CEE_DUP);
2868 mono_mb_emit_icon (mb, j);
2869 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2870 if (sig->params[i]->byref) {
2871 if (pclass->valuetype) {
2872 mono_mb_emit_byte (mb, CEE_LDOBJ);
2873 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2875 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2878 if (pclass->valuetype) {
2879 mono_mb_emit_byte (mb, CEE_BOX);
2880 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2882 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2885 mono_mb_emit_stloc (mb, loc_array);
2887 /* Serialize parameters */
2889 mono_mb_emit_ldloc (mb, loc_array);
2890 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2891 mono_mb_emit_stloc (mb, loc_serialized_data);
2893 mono_mb_emit_byte (mb, CEE_LDNULL);
2894 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2895 mono_mb_emit_stloc (mb, loc_serialized_data);
2898 /* Get the target domain id */
2900 mono_mb_emit_ldarg (mb, 0);
2901 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2902 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2903 mono_mb_emit_byte (mb, CEE_DUP);
2904 mono_mb_emit_stloc (mb, loc_real_proxy);
2906 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2907 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2908 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2912 mono_marshal_emit_switch_domain (mb);
2913 mono_mb_emit_stloc (mb, loc_old_domainid);
2915 /* Load the arguments */
2917 mono_mb_emit_ldloc (mb, loc_real_proxy);
2918 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2919 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2921 copy_locals_base = mb->locals;
2922 for (i = 0; i < sig->param_count; i++) {
2923 switch (marshal_types [i]) {
2924 case MONO_MARSHAL_SERIALIZE:
2926 case MONO_MARSHAL_COPY: {
2927 mono_mb_emit_ldarg (mb, i+1);
2928 if (sig->params [i]->byref) {
2929 /* make a local copy of the byref parameter. The real parameter
2930 * will be updated after the xdomain call
2932 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2933 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2934 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2935 mono_mb_emit_stloc (mb, copy_local);
2936 mono_mb_emit_ldloc_addr (mb, copy_local);
2940 case MONO_MARSHAL_COPY_OUT:
2941 case MONO_MARSHAL_NONE:
2942 mono_mb_emit_ldarg (mb, i+1);
2947 /* Make the call to the invoke wrapper in the target domain */
2949 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2950 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2951 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
2954 mono_mb_emit_stloc (mb, loc_return);
2958 mono_mb_emit_ldloc (mb, loc_old_domainid);
2959 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2960 mono_marshal_emit_switch_domain (mb);
2961 mono_mb_emit_byte (mb, CEE_POP);
2963 /* Restore thread domain data */
2965 mono_mb_emit_ldloc (mb, loc_context);
2966 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2968 /* if (loc_serialized_exc != null) ... */
2970 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2971 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2973 mono_mb_emit_byte (mb, 0);
2975 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2976 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2977 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2978 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2979 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2980 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2981 mono_mb_emit_byte (mb, CEE_THROW);
2982 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2984 /* copy back non-serialized output parameters */
2987 for (i = 0; i < sig->param_count; i++) {
2988 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2989 mono_mb_emit_ldarg (mb, i + 1);
2990 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2991 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2992 mono_mb_emit_byte (mb, CEE_STIND_REF);
2995 /* Deserialize out parameters */
2997 if (complex_out_count > 0) {
2998 mono_mb_emit_ldloc (mb, loc_serialized_data);
2999 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3000 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3001 mono_mb_emit_stloc (mb, loc_array);
3003 /* Copy back output parameters and return type */
3006 for (i = 0; i < sig->param_count; i++) {
3007 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3008 if (sig->params[i]->byref) {
3009 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3010 mono_mb_emit_ldarg (mb, i + 1);
3011 mono_mb_emit_ldloc (mb, loc_array);
3012 mono_mb_emit_icon (mb, j);
3013 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3014 if (pclass->valuetype) {
3015 mono_mb_emit_byte (mb, CEE_UNBOX);
3016 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3017 mono_mb_emit_byte (mb, CEE_LDOBJ);
3018 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3019 mono_mb_emit_byte (mb, CEE_STOBJ);
3020 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3022 if (pclass != mono_defaults.object_class) {
3023 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3024 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3026 mono_mb_emit_byte (mb, CEE_STIND_REF);
3032 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3033 mono_mb_emit_ldloc (mb, loc_array);
3034 mono_mb_emit_icon (mb, complex_count);
3035 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3036 if (ret_class->valuetype) {
3037 mono_mb_emit_byte (mb, CEE_UNBOX);
3038 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3039 mono_mb_emit_byte (mb, CEE_LDOBJ);
3040 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3043 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3044 mono_mb_emit_ldloc (mb, loc_serialized_data);
3045 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3046 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3047 if (ret_class->valuetype) {
3048 mono_mb_emit_byte (mb, CEE_UNBOX);
3049 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3050 mono_mb_emit_byte (mb, CEE_LDOBJ);
3051 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3052 } else if (ret_class != mono_defaults.object_class) {
3053 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3054 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3057 mono_mb_emit_ldloc (mb, loc_serialized_data);
3058 mono_mb_emit_byte (mb, CEE_DUP);
3059 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3061 mono_mb_emit_byte (mb, 0);
3062 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3064 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3065 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3066 mono_mb_emit_byte (mb, CEE_POP);
3070 mono_mb_emit_ldloc (mb, loc_return);
3071 if (ret_marshal_type == MONO_MARSHAL_COPY)
3072 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3075 mono_mb_emit_byte (mb, CEE_RET);
3077 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3084 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3086 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3087 return mono_marshal_get_xappdomain_invoke (method);
3089 return mono_marshal_get_remoting_invoke (method);
3092 G_GNUC_UNUSED static gpointer
3093 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3095 if (rp->target_domain_id != -1)
3096 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3098 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3102 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3104 MonoMethodSignature *sig;
3105 MonoMethodBuilder *mb;
3106 MonoMethod *res, *native;
3107 int i, pos, pos_rem;
3111 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3114 sig = signature_no_pinvoke (mono_method_signature (method));
3116 /* we cant remote methods without this pointer */
3117 g_assert (sig->hasthis);
3119 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3122 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3124 for (i = 0; i <= sig->param_count; i++)
3125 mono_mb_emit_ldarg (mb, i);
3127 mono_mb_emit_ldarg (mb, 0);
3128 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3130 if (mono_marshal_supports_fast_xdomain (method)) {
3131 mono_mb_emit_ldarg (mb, 0);
3132 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3134 /* wrapper for cross app domain calls */
3135 native = mono_marshal_get_xappdomain_invoke (method);
3136 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3137 mono_mb_emit_byte (mb, CEE_RET);
3139 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3141 /* wrapper for normal remote calls */
3142 native = mono_marshal_get_remoting_invoke (method);
3143 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3144 mono_mb_emit_byte (mb, CEE_RET);
3147 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3148 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3149 mono_mb_emit_byte (mb, CEE_RET);
3151 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3158 * the returned method invokes all methods in a multicast delegate
3161 mono_marshal_get_delegate_invoke (MonoMethod *method)
3163 MonoMethodSignature *sig, *static_sig;
3165 MonoMethodBuilder *mb;
3171 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3172 !strcmp (method->name, "Invoke"));
3174 sig = signature_no_pinvoke (mono_method_signature (method));
3176 cache = method->klass->image->delegate_invoke_cache;
3177 if ((res = mono_marshal_find_in_cache (cache, sig)))
3180 static_sig = mono_metadata_signature_dup (sig);
3181 static_sig->hasthis = 0;
3183 name = mono_signature_to_name (sig, "invoke");
3184 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3187 /* allocate local 0 (object) */
3188 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3190 g_assert (sig->hasthis);
3194 * prev.Invoke( args .. );
3195 * return this.<target>( args .. );
3198 /* this wrapper can be used in unmanaged-managed transitions */
3199 emit_thread_interrupt_checkpoint (mb);
3201 /* get this->prev */
3202 mono_mb_emit_ldarg (mb, 0);
3203 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3204 mono_mb_emit_byte (mb, CEE_LDIND_I );
3205 mono_mb_emit_stloc (mb, 0);
3207 /* if prev != null */
3208 mono_mb_emit_ldloc (mb, 0);
3209 mono_mb_emit_byte (mb, CEE_BRFALSE);
3212 mono_mb_emit_i4 (mb, 0);
3215 mono_mb_emit_ldloc (mb, 0);
3216 for (i = 0; i < sig->param_count; i++)
3217 mono_mb_emit_ldarg (mb, i + 1);
3218 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3219 if (sig->ret->type != MONO_TYPE_VOID)
3220 mono_mb_emit_byte (mb, CEE_POP);
3222 /* continued or prev == null */
3223 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3225 /* get this->target */
3226 mono_mb_emit_ldarg (mb, 0);
3227 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3228 mono_mb_emit_byte (mb, CEE_LDIND_I );
3229 mono_mb_emit_stloc (mb, 0);
3231 /* if target != null */
3232 mono_mb_emit_ldloc (mb, 0);
3233 mono_mb_emit_byte (mb, CEE_BRFALSE);
3235 mono_mb_emit_i4 (mb, 0);
3237 /* then call this->method_ptr nonstatic */
3238 mono_mb_emit_ldloc (mb, 0);
3239 for (i = 0; i < sig->param_count; ++i)
3240 mono_mb_emit_ldarg (mb, i + 1);
3241 mono_mb_emit_ldarg (mb, 0);
3242 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3243 mono_mb_emit_byte (mb, CEE_LDIND_I );
3244 mono_mb_emit_byte (mb, CEE_CALLI);
3245 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3247 mono_mb_emit_byte (mb, CEE_BR);
3249 mono_mb_emit_i4 (mb, 0);
3251 /* else [target == null] call this->method_ptr static */
3252 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3254 for (i = 0; i < sig->param_count; ++i)
3255 mono_mb_emit_ldarg (mb, i + 1);
3256 mono_mb_emit_ldarg (mb, 0);
3257 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3258 mono_mb_emit_byte (mb, CEE_LDIND_I );
3259 mono_mb_emit_byte (mb, CEE_CALLI);
3260 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3263 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3264 mono_mb_emit_byte (mb, CEE_RET);
3266 res = mono_mb_create_and_cache (cache, sig,
3267 mb, sig, sig->param_count + 16);
3274 * signature_dup_add_this:
3276 * Make a copy of @sig, adding an explicit this argument.
3278 static MonoMethodSignature*
3279 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3281 MonoMethodSignature *res;
3284 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3285 memcpy (res, sig, sizeof (MonoMethodSignature));
3286 res->param_count = sig->param_count + 1;
3287 res->hasthis = FALSE;
3288 for (i = sig->param_count - 1; i >= 0; i --)
3289 res->params [i + 1] = sig->params [i];
3290 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3297 MonoMethodSignature *sig;
3303 * generates IL code for the runtime invoke function
3304 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3306 * we also catch exceptions if exc != null
3309 mono_marshal_get_runtime_invoke (MonoMethod *method)
3311 MonoMethodSignature *sig, *csig, *callsig;
3312 MonoExceptionClause *clause;
3313 MonoMethodHeader *header;
3314 MonoMethodBuilder *mb;
3315 GHashTable *cache = NULL;
3316 MonoClass *target_klass;
3317 MonoMethod *res = NULL;
3319 static MonoString *string_dummy = NULL;
3320 static MonoMethodSignature *dealy_abort_sig = NULL;
3326 target_klass = method->klass;
3328 mono_marshal_lock ();
3330 if (method->string_ctor) {
3331 static GSList *strsig_list = NULL;
3335 for (item = strsig_list; item; item = item->next) {
3337 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
3343 callsig = mono_metadata_signature_dup (mono_method_signature (method));
3344 callsig->ret = &mono_defaults.string_class->byval_arg;
3345 cs = g_new (CtorSigPair, 1);
3348 strsig_list = g_slist_prepend (strsig_list, cs);
3351 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
3353 * Valuetype methods receive a managed pointer as the this argument.
3354 * Create a new signature to reflect this.
3356 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
3359 callsig = mono_method_signature (method);
3362 cache = method->klass->image->runtime_invoke_cache;
3364 /* from mono_marshal_find_in_cache */
3365 res = g_hash_table_lookup (cache, callsig);
3366 mono_marshal_unlock ();
3372 if (!dealy_abort_sig) {
3373 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3374 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3375 dealy_abort_sig->pinvoke = 0;
3378 target_klass = mono_defaults.object_class;
3380 /* to make it work with our special string constructors */
3381 if (!string_dummy) {
3382 MONO_GC_REGISTER_ROOT (string_dummy);
3383 string_dummy = mono_string_new_wrapper ("dummy");
3386 sig = mono_method_signature (method);
3388 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3390 csig->ret = &mono_defaults.object_class->byval_arg;
3391 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3392 csig->params [0] = callsig->params [0];
3394 csig->params [0] = &mono_defaults.object_class->byval_arg;
3395 csig->params [1] = &mono_defaults.int_class->byval_arg;
3396 csig->params [2] = &mono_defaults.int_class->byval_arg;
3397 csig->params [3] = &mono_defaults.int_class->byval_arg;
3399 name = mono_signature_to_name (callsig, "runtime_invoke");
3400 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3403 /* allocate local 0 (object) tmp */
3404 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3405 /* allocate local 1 (object) exc */
3406 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3408 /* cond set *exc to null */
3409 mono_mb_emit_byte (mb, CEE_LDARG_2);
3410 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3411 mono_mb_emit_byte (mb, 3);
3412 mono_mb_emit_byte (mb, CEE_LDARG_2);
3413 mono_mb_emit_byte (mb, CEE_LDNULL);
3414 mono_mb_emit_byte (mb, CEE_STIND_I);
3416 emit_thread_force_interrupt_checkpoint (mb);
3419 if (method->string_ctor) {
3420 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3421 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3422 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3424 mono_mb_emit_ldarg (mb, 0);
3428 for (i = 0; i < sig->param_count; i++) {
3429 MonoType *t = sig->params [i];
3432 mono_mb_emit_ldarg (mb, 1);
3434 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3435 mono_mb_emit_byte (mb, CEE_ADD);
3437 mono_mb_emit_byte (mb, CEE_LDIND_I);
3442 type = sig->params [i]->type;
3446 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3448 case MONO_TYPE_BOOLEAN:
3450 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3453 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3456 case MONO_TYPE_CHAR:
3457 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3461 mono_mb_emit_byte (mb, CEE_LDIND_I);
3464 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3467 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3470 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3473 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3477 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3479 case MONO_TYPE_STRING:
3480 case MONO_TYPE_CLASS:
3481 case MONO_TYPE_ARRAY:
3483 case MONO_TYPE_SZARRAY:
3484 case MONO_TYPE_OBJECT:
3487 case MONO_TYPE_VALUETYPE:
3488 if (t->data.klass->enumtype) {
3489 type = t->data.klass->enum_basetype->type;
3492 mono_mb_emit_byte (mb, CEE_LDOBJ);
3493 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3495 case MONO_TYPE_GENERICINST:
3496 t = &t->data.generic_class->container_class->byval_arg;
3500 g_assert_not_reached ();
3504 mono_mb_emit_ldarg (mb, 3);
3505 mono_mb_emit_calli (mb, callsig);
3507 if (sig->ret->byref) {
3509 g_assert_not_reached ();
3513 switch (sig->ret->type) {
3514 case MONO_TYPE_VOID:
3515 if (!method->string_ctor)
3516 mono_mb_emit_byte (mb, CEE_LDNULL);
3518 case MONO_TYPE_BOOLEAN:
3519 case MONO_TYPE_CHAR:
3532 case MONO_TYPE_VALUETYPE:
3533 case MONO_TYPE_TYPEDBYREF:
3534 case MONO_TYPE_GENERICINST:
3535 /* box value types */
3536 mono_mb_emit_byte (mb, CEE_BOX);
3537 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3539 case MONO_TYPE_STRING:
3540 case MONO_TYPE_CLASS:
3541 case MONO_TYPE_ARRAY:
3542 case MONO_TYPE_SZARRAY:
3543 case MONO_TYPE_OBJECT:
3548 g_assert_not_reached ();
3551 mono_mb_emit_stloc (mb, 0);
3553 mono_mb_emit_byte (mb, CEE_LEAVE);
3555 mono_mb_emit_i4 (mb, 0);
3557 clause = g_new0 (MonoExceptionClause, 1);
3558 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3559 clause->try_len = mb->pos;
3562 clause->data.filter_offset = mb->pos;
3564 mono_mb_emit_byte (mb, CEE_POP);
3565 mono_mb_emit_byte (mb, CEE_LDARG_2);
3566 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3567 mono_mb_emit_byte (mb, CEE_PREFIX1);
3568 mono_mb_emit_byte (mb, CEE_CGT_UN);
3569 mono_mb_emit_byte (mb, CEE_PREFIX1);
3570 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3572 clause->handler_offset = mb->pos;
3575 /* store exception */
3576 mono_mb_emit_stloc (mb, 1);
3578 mono_mb_emit_byte (mb, CEE_LDARG_2);
3579 mono_mb_emit_ldloc (mb, 1);
3580 mono_mb_emit_byte (mb, CEE_STIND_I);
3582 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3583 mono_mb_emit_stloc (mb, 0);
3585 /* Check for the abort exception */
3586 mono_mb_emit_ldloc (mb, 1);
3587 mono_mb_emit_byte (mb, CEE_ISINST);
3588 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3589 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3591 mono_mb_emit_byte (mb, 0);
3593 /* Delay the abort exception */
3594 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3596 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3597 mono_mb_emit_byte (mb, CEE_LEAVE);
3598 mono_mb_emit_i4 (mb, 0);
3600 clause->handler_len = mb->pos - clause->handler_offset;
3603 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3604 mono_mb_emit_ldloc (mb, 0);
3605 mono_mb_emit_byte (mb, CEE_RET);
3607 /* taken from mono_mb_create_and_cache */
3608 mono_marshal_lock ();
3610 res = g_hash_table_lookup (cache, callsig);
3611 /* Somebody may have created it before us */
3613 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3614 g_hash_table_insert (cache, callsig, res);
3615 g_hash_table_insert (wrapper_hash, res, callsig);
3618 mono_marshal_unlock ();
3619 /* end mono_mb_create_and_cache */
3623 header = ((MonoMethodNormal *)res)->header;
3624 header->num_clauses = 1;
3625 header->clauses = clause;
3631 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
3633 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3634 klass->name_space, klass->name);
3636 mono_mb_emit_exception_marshal_directive (mb, msg);
3640 * mono_marshal_get_ldfld_remote_wrapper:
3641 * @klass: The return type
3643 * This method generates a wrapper for calling mono_load_remote_field_new with
3644 * the appropriate return type.
3647 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
3649 MonoMethodSignature *sig, *csig;
3650 MonoMethodBuilder *mb;
3652 static GHashTable *ldfld_hash = NULL;
3655 mono_marshal_lock ();
3657 ldfld_hash = g_hash_table_new (NULL, NULL);
3658 res = g_hash_table_lookup (ldfld_hash, klass);
3659 mono_marshal_unlock ();
3664 * This wrapper is similar to an icall wrapper but all the wrappers
3665 * call the same C function, but with a different signature.
3667 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3668 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
3671 mb->method->save_lmf = 1;
3673 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3674 sig->params [0] = &mono_defaults.object_class->byval_arg;
3675 sig->params [1] = &mono_defaults.int_class->byval_arg;
3676 sig->params [2] = &mono_defaults.int_class->byval_arg;
3677 sig->ret = &klass->this_arg;
3679 mono_mb_emit_ldarg (mb, 0);
3680 mono_mb_emit_ldarg (mb, 1);
3681 mono_mb_emit_ldarg (mb, 2);
3683 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3684 csig->params [0] = &mono_defaults.object_class->byval_arg;
3685 csig->params [1] = &mono_defaults.int_class->byval_arg;
3686 csig->params [2] = &mono_defaults.int_class->byval_arg;
3687 csig->ret = &klass->this_arg;
3690 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3691 emit_thread_interrupt_checkpoint (mb);
3693 mono_mb_emit_byte (mb, CEE_RET);
3695 res = mono_mb_create_and_cache (ldfld_hash, klass,
3696 mb, sig, sig->param_count + 16);
3703 * mono_marshal_get_ldfld_wrapper:
3704 * @type: the type of the field
3706 * This method generates a function which can be use to load a field with type
3707 * @type from an object. The generated function has the following signature:
3708 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
3711 mono_marshal_get_ldfld_wrapper (MonoType *type)
3713 MonoMethodSignature *sig;
3714 MonoMethodBuilder *mb;
3717 static GHashTable *ldfld_hash = NULL;
3719 int t, pos0, pos1 = 0;
3721 type = mono_type_get_underlying_type (type);
3726 if (type->type == MONO_TYPE_SZARRAY) {
3727 klass = mono_defaults.array_class;
3728 } else if (type->type == MONO_TYPE_VALUETYPE) {
3729 klass = type->data.klass;
3730 if (klass->enumtype) {
3731 t = klass->enum_basetype->type;
3732 klass = mono_class_from_mono_type (klass->enum_basetype);
3734 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
3735 klass = mono_defaults.object_class;
3736 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3737 klass = mono_defaults.int_class;
3739 klass = mono_class_from_mono_type (type);
3742 klass = mono_defaults.int_class;
3745 mono_marshal_lock ();
3747 ldfld_hash = g_hash_table_new (NULL, NULL);
3748 res = g_hash_table_lookup (ldfld_hash, klass);
3749 mono_marshal_unlock ();
3753 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
3754 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
3757 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3758 sig->params [0] = &mono_defaults.object_class->byval_arg;
3759 sig->params [1] = &mono_defaults.int_class->byval_arg;
3760 sig->params [2] = &mono_defaults.int_class->byval_arg;
3761 sig->params [3] = &mono_defaults.int_class->byval_arg;
3762 sig->ret = &klass->byval_arg;
3764 mono_mb_emit_ldarg (mb, 0);
3765 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3767 mono_mb_emit_ldarg (mb, 0);
3768 mono_mb_emit_ldarg (mb, 1);
3769 mono_mb_emit_ldarg (mb, 2);
3771 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
3774 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3775 csig->params [0] = &mono_defaults.object_class->byval_arg;
3776 csig->params [1] = &mono_defaults.int_class->byval_arg;
3777 csig->params [2] = &mono_defaults.int_class->byval_arg;
3778 csig->ret = &klass->this_arg;
3781 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3782 emit_thread_interrupt_checkpoint (mb);
3785 if (klass->valuetype) {
3786 mono_mb_emit_byte (mb, CEE_UNBOX);
3787 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3788 mono_mb_emit_byte (mb, CEE_BR);
3790 mono_mb_emit_i4 (mb, 0);
3792 mono_mb_emit_byte (mb, CEE_RET);
3796 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3798 mono_mb_emit_ldarg (mb, 0);
3799 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3800 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3801 mono_mb_emit_ldarg (mb, 3);
3802 mono_mb_emit_byte (mb, CEE_ADD);
3804 if (klass->valuetype)
3805 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3810 case MONO_TYPE_BOOLEAN:
3811 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3813 case MONO_TYPE_CHAR:
3816 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3820 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3824 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3827 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3830 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3832 case MONO_TYPE_ARRAY:
3834 case MONO_TYPE_FNPTR:
3835 case MONO_TYPE_SZARRAY:
3836 case MONO_TYPE_OBJECT:
3837 case MONO_TYPE_CLASS:
3838 case MONO_TYPE_STRING:
3841 mono_mb_emit_byte (mb, CEE_LDIND_I);
3843 case MONO_TYPE_VALUETYPE:
3844 g_assert (!klass->enumtype);
3845 mono_mb_emit_byte (mb, CEE_LDOBJ);
3846 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3849 g_warning ("type %x not implemented", type->type);
3850 g_assert_not_reached ();
3853 mono_mb_emit_byte (mb, CEE_RET);
3855 res = mono_mb_create_and_cache (ldfld_hash, klass,
3856 mb, sig, sig->param_count + 16);
3863 * mono_marshal_get_ldflda_wrapper:
3864 * @type: the type of the field
3866 * This method generates a function which can be used to load a field address
3867 * from an object. The generated function has the following signature:
3868 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
3871 mono_marshal_get_ldflda_wrapper (MonoType *type)
3873 MonoMethodSignature *sig;
3874 MonoMethodBuilder *mb;
3877 static GHashTable *ldflda_hash = NULL;
3881 type = mono_type_get_underlying_type (type);
3885 if (type->type == MONO_TYPE_SZARRAY) {
3886 klass = mono_defaults.array_class;
3887 } else if (type->type == MONO_TYPE_VALUETYPE) {
3888 klass = type->data.klass;
3889 if (klass->enumtype) {
3890 t = klass->enum_basetype->type;
3891 klass = mono_class_from_mono_type (klass->enum_basetype);
3893 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3894 t == MONO_TYPE_CLASS) {
3895 klass = mono_defaults.object_class;
3896 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3897 klass = mono_defaults.int_class;
3899 klass = mono_class_from_mono_type (type);
3902 klass = mono_defaults.int_class;
3905 mono_marshal_lock ();
3907 ldflda_hash = g_hash_table_new (NULL, NULL);
3908 res = g_hash_table_lookup (ldflda_hash, klass);
3909 mono_marshal_unlock ();
3913 name = g_strdup_printf ("__ldflda_wrapper_%s.%s", klass->name_space, klass->name);
3914 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
3917 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3918 sig->params [0] = &mono_defaults.object_class->byval_arg;
3919 sig->params [1] = &mono_defaults.int_class->byval_arg;
3920 sig->params [2] = &mono_defaults.int_class->byval_arg;
3921 sig->params [3] = &mono_defaults.int_class->byval_arg;
3922 sig->ret = &mono_defaults.int_class->byval_arg;
3924 mono_mb_emit_ldarg (mb, 0);
3925 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3927 /* FIXME: Only throw this if the object is in another appdomain */
3928 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
3930 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3932 mono_mb_emit_ldarg (mb, 0);
3933 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3934 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3935 mono_mb_emit_ldarg (mb, 3);
3936 mono_mb_emit_byte (mb, CEE_ADD);
3938 mono_mb_emit_byte (mb, CEE_RET);
3940 res = mono_mb_create_and_cache (ldflda_hash, klass,
3941 mb, sig, sig->param_count + 16);
3948 * mono_marshal_get_stfld_remote_wrapper:
3949 * klass: The type of the field
3951 * This function generates a wrapper for calling mono_store_remote_field_new
3952 * with the appropriate signature.
3955 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
3957 MonoMethodSignature *sig, *csig;
3958 MonoMethodBuilder *mb;
3960 static GHashTable *stfld_hash = NULL;
3963 mono_marshal_lock ();
3965 stfld_hash = g_hash_table_new (NULL, NULL);
3966 res = g_hash_table_lookup (stfld_hash, klass);
3967 mono_marshal_unlock ();
3971 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3972 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
3975 mb->method->save_lmf = 1;
3977 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3978 sig->params [0] = &mono_defaults.object_class->byval_arg;
3979 sig->params [1] = &mono_defaults.int_class->byval_arg;
3980 sig->params [2] = &mono_defaults.int_class->byval_arg;
3981 sig->params [3] = &klass->byval_arg;
3982 sig->ret = &mono_defaults.void_class->byval_arg;
3984 mono_mb_emit_ldarg (mb, 0);
3985 mono_mb_emit_ldarg (mb, 1);
3986 mono_mb_emit_ldarg (mb, 2);
3987 mono_mb_emit_ldarg (mb, 3);
3989 if (klass->valuetype) {
3990 mono_mb_emit_byte (mb, CEE_BOX);
3991 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3994 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3995 csig->params [0] = &mono_defaults.object_class->byval_arg;
3996 csig->params [1] = &mono_defaults.int_class->byval_arg;
3997 csig->params [2] = &mono_defaults.int_class->byval_arg;
3998 csig->params [3] = &klass->byval_arg;
3999 csig->ret = &mono_defaults.void_class->byval_arg;
4002 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4003 emit_thread_interrupt_checkpoint (mb);
4005 mono_mb_emit_byte (mb, CEE_RET);
4007 res = mono_mb_create_and_cache (stfld_hash, klass,
4008 mb, sig, sig->param_count + 16);
4015 * mono_marshal_get_stfld_wrapper:
4016 * @type: the type of the field
4018 * This method generates a function which can be use to store a field with type
4019 * @type. The generated function has the following signature:
4020 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4023 mono_marshal_get_stfld_wrapper (MonoType *type)
4025 MonoMethodSignature *sig;
4026 MonoMethodBuilder *mb;
4029 static GHashTable *stfld_hash = NULL;
4033 type = mono_type_get_underlying_type (type);
4037 if (type->type == MONO_TYPE_SZARRAY) {
4038 klass = mono_defaults.array_class;
4039 } else if (type->type == MONO_TYPE_VALUETYPE) {
4040 klass = type->data.klass;
4041 if (klass->enumtype) {
4042 t = klass->enum_basetype->type;
4043 klass = mono_class_from_mono_type (klass->enum_basetype);
4045 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
4046 klass = mono_defaults.object_class;
4047 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4048 klass = mono_defaults.int_class;
4050 klass = mono_class_from_mono_type (type);
4053 klass = mono_defaults.int_class;
4056 mono_marshal_lock ();
4058 stfld_hash = g_hash_table_new (NULL, NULL);
4059 res = g_hash_table_lookup (stfld_hash, klass);
4060 mono_marshal_unlock ();
4064 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
4065 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4068 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4069 sig->params [0] = &mono_defaults.object_class->byval_arg;
4070 sig->params [1] = &mono_defaults.int_class->byval_arg;
4071 sig->params [2] = &mono_defaults.int_class->byval_arg;
4072 sig->params [3] = &mono_defaults.int_class->byval_arg;
4073 sig->params [4] = &klass->byval_arg;
4074 sig->ret = &mono_defaults.void_class->byval_arg;
4076 mono_mb_emit_ldarg (mb, 0);
4077 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4079 mono_mb_emit_ldarg (mb, 0);
4080 mono_mb_emit_ldarg (mb, 1);
4081 mono_mb_emit_ldarg (mb, 2);
4082 mono_mb_emit_ldarg (mb, 4);
4084 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
4086 mono_mb_emit_byte (mb, CEE_RET);
4088 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4090 mono_mb_emit_ldarg (mb, 0);
4091 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4092 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4093 mono_mb_emit_ldarg (mb, 3);
4094 mono_mb_emit_byte (mb, CEE_ADD);
4095 mono_mb_emit_ldarg (mb, 4);
4100 case MONO_TYPE_BOOLEAN:
4101 mono_mb_emit_byte (mb, CEE_STIND_I1);
4103 case MONO_TYPE_CHAR:
4106 mono_mb_emit_byte (mb, CEE_STIND_I2);
4110 mono_mb_emit_byte (mb, CEE_STIND_I4);
4114 mono_mb_emit_byte (mb, CEE_STIND_I8);
4117 mono_mb_emit_byte (mb, CEE_STIND_R4);
4120 mono_mb_emit_byte (mb, CEE_STIND_R8);
4122 case MONO_TYPE_ARRAY:
4124 case MONO_TYPE_FNPTR:
4125 case MONO_TYPE_SZARRAY:
4126 case MONO_TYPE_OBJECT:
4127 case MONO_TYPE_CLASS:
4128 case MONO_TYPE_STRING:
4131 mono_mb_emit_byte (mb, CEE_STIND_I);
4133 case MONO_TYPE_VALUETYPE:
4134 g_assert (!klass->enumtype);
4135 mono_mb_emit_byte (mb, CEE_STOBJ);
4136 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4138 case MONO_TYPE_GENERICINST:
4139 mono_mb_emit_byte (mb, CEE_STOBJ);
4140 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4143 g_warning ("type %x not implemented", type->type);
4144 g_assert_not_reached ();
4147 mono_mb_emit_byte (mb, CEE_RET);
4149 res = mono_mb_create_and_cache (stfld_hash, klass,
4150 mb, sig, sig->param_count + 16);
4157 * generates IL code for the icall wrapper (the generated method
4158 * calls the unmanaged code in func)
4161 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4163 MonoMethodSignature *csig;
4164 MonoMethodBuilder *mb;
4168 g_assert (sig->pinvoke);
4170 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4172 mb->method->save_lmf = 1;
4174 /* we copy the signature, so that we can modify it */
4177 mono_mb_emit_byte (mb, CEE_LDARG_0);
4179 for (i = 0; i < sig->param_count; i++)
4180 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4182 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4183 emit_thread_interrupt_checkpoint (mb);
4184 mono_mb_emit_byte (mb, CEE_RET);
4186 csig = mono_metadata_signature_dup (sig);
4188 if (csig->call_convention == MONO_CALL_VARARG)
4189 csig->call_convention = 0;
4191 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4198 MonoMethodBuilder *mb;
4199 MonoMethodSignature *sig;
4200 MonoMethodPInvoke *piinfo;
4201 int *orig_conv_args; /* Locals containing the original values of byref args */
4203 MonoClass *retobj_class;
4204 } EmitMarshalContext;
4207 MARSHAL_ACTION_CONV_IN,
4208 MARSHAL_ACTION_PUSH,
4209 MARSHAL_ACTION_CONV_OUT,
4210 MARSHAL_ACTION_CONV_RESULT,
4211 MARSHAL_ACTION_MANAGED_CONV_IN,
4212 MARSHAL_ACTION_MANAGED_CONV_OUT,
4213 MARSHAL_ACTION_MANAGED_CONV_RESULT
4217 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4218 MonoMarshalSpec *spec,
4219 int conv_arg, MonoType **conv_arg_type,
4220 MarshalAction action)
4224 static MonoClass *ICustomMarshaler = NULL;
4225 static MonoMethod *cleanup_native, *cleanup_managed;
4226 static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4227 MonoMethod *get_instance;
4228 MonoMethodBuilder *mb = m->mb;
4229 char *exception_msg = NULL;
4233 if (!ICustomMarshaler) {
4234 ICustomMarshaler = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "ICustomMarshaler");
4235 g_assert (ICustomMarshaler);
4237 cleanup_native = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpNativeData", 1);
4238 g_assert (cleanup_native);
4239 cleanup_managed = mono_class_get_method_from_name (ICustomMarshaler, "CleanUpManagedData", 1);
4240 g_assert (cleanup_managed);
4241 marshal_managed_to_native = mono_class_get_method_from_name (ICustomMarshaler, "MarshalManagedToNative", 1);
4242 g_assert (marshal_managed_to_native);
4243 marshal_native_to_managed = mono_class_get_method_from_name (ICustomMarshaler, "MarshalNativeToManaged", 1);
4244 g_assert (marshal_native_to_managed);
4247 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4248 g_assert (mtype != NULL);
4249 mklass = mono_class_from_mono_type (mtype);
4250 g_assert (mklass != NULL);
4252 if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
4253 exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
4255 get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
4257 MonoMethodSignature *get_sig = mono_method_signature (get_instance);
4258 if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
4259 (mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
4260 (get_sig->params [0]->type != MONO_TYPE_STRING))
4261 get_instance = NULL;
4265 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);
4267 /* Throw exception and emit compensation code if neccesary */
4268 if (exception_msg) {
4270 case MARSHAL_ACTION_CONV_IN:
4271 case MARSHAL_ACTION_CONV_RESULT:
4272 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4273 if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
4274 mono_mb_emit_byte (mb, CEE_POP);
4276 mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
4277 g_free (exception_msg);
4280 case MARSHAL_ACTION_PUSH:
4281 mono_mb_emit_byte (mb, CEE_LDNULL);
4289 /* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
4290 /* FIXME: MS.NET throws an exception if GetInstance returns null */
4293 case MARSHAL_ACTION_CONV_IN:
4295 case MONO_TYPE_CLASS:
4296 case MONO_TYPE_OBJECT:
4297 case MONO_TYPE_STRING:
4298 case MONO_TYPE_ARRAY:
4299 case MONO_TYPE_SZARRAY:
4300 case MONO_TYPE_VALUETYPE:
4304 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4305 g_assert_not_reached ();
4309 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4311 mono_mb_emit_byte (mb, CEE_LDNULL);
4312 mono_mb_emit_stloc (mb, conv_arg);
4314 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
4317 /* Check for null */
4318 mono_mb_emit_ldarg (mb, argnum);
4320 mono_mb_emit_byte (mb, CEE_LDIND_I);
4321 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4323 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4325 mono_mb_emit_byte (mb, CEE_CALL);
4326 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4328 mono_mb_emit_ldarg (mb, argnum);
4330 mono_mb_emit_byte (mb, CEE_LDIND_REF);
4332 if (t->type == MONO_TYPE_VALUETYPE) {
4334 * Since we can't determine the type of the argument, we
4335 * will assume the unmanaged function takes a pointer.
4337 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4339 mono_mb_emit_byte (mb, CEE_BOX);
4340 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4343 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4344 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4345 mono_mb_emit_stloc (mb, conv_arg);
4347 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4350 case MARSHAL_ACTION_CONV_OUT:
4351 /* Check for null */
4352 mono_mb_emit_ldloc (mb, conv_arg);
4353 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4356 mono_mb_emit_ldarg (mb, argnum);
4358 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4360 mono_mb_emit_byte (mb, CEE_CALL);
4361 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4363 mono_mb_emit_ldloc (mb, conv_arg);
4364 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4365 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4366 mono_mb_emit_byte (mb, CEE_STIND_I);
4369 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4371 mono_mb_emit_byte (mb, CEE_CALL);
4372 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4374 mono_mb_emit_ldloc (mb, conv_arg);
4376 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4377 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4379 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4382 case MARSHAL_ACTION_PUSH:
4384 mono_mb_emit_ldloc_addr (mb, conv_arg);
4386 mono_mb_emit_ldloc (mb, conv_arg);
4389 case MARSHAL_ACTION_CONV_RESULT:
4390 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4392 mono_mb_emit_stloc (mb, 3);
4394 mono_mb_emit_ldloc (mb, 3);
4395 mono_mb_emit_stloc (mb, loc1);
4397 /* Check for null */
4398 mono_mb_emit_ldloc (mb, 3);
4399 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4401 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4403 mono_mb_emit_byte (mb, CEE_CALL);
4404 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4405 mono_mb_emit_byte (mb, CEE_DUP);
4407 mono_mb_emit_ldloc (mb, 3);
4408 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4409 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4410 mono_mb_emit_stloc (mb, 3);
4412 mono_mb_emit_ldloc (mb, loc1);
4413 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4414 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4416 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4419 case MARSHAL_ACTION_MANAGED_CONV_IN:
4425 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4427 mono_mb_emit_byte (mb, CEE_LDNULL);
4428 mono_mb_emit_stloc (mb, conv_arg);
4430 /* Check for null */
4431 mono_mb_emit_ldarg (mb, argnum);
4432 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4434 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4435 mono_mb_emit_byte (mb, CEE_CALL);
4436 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4438 mono_mb_emit_ldarg (mb, argnum);
4440 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4441 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4442 mono_mb_emit_stloc (mb, conv_arg);
4444 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4447 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4448 g_assert (!t->byref);
4450 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4452 mono_mb_emit_stloc (mb, 3);
4454 mono_mb_emit_ldloc (mb, 3);
4455 mono_mb_emit_stloc (mb, loc1);
4457 /* Check for null */
4458 mono_mb_emit_ldloc (mb, 3);
4459 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4461 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4462 mono_mb_emit_byte (mb, CEE_CALL);
4463 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4464 mono_mb_emit_byte (mb, CEE_DUP);
4466 mono_mb_emit_ldloc (mb, 3);
4467 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4468 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4469 mono_mb_emit_stloc (mb, 3);
4471 mono_mb_emit_ldloc (mb, loc1);
4472 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4473 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4475 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4478 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4479 g_assert (!t->byref);
4481 /* Check for null */
4482 mono_mb_emit_ldloc (mb, conv_arg);
4483 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4485 /* Call CleanUpManagedData */
4486 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4488 mono_mb_emit_byte (mb, CEE_CALL);
4489 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4491 mono_mb_emit_ldloc (mb, conv_arg);
4492 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4493 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4495 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4499 g_assert_not_reached ();
4506 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4507 MonoMarshalSpec *spec,
4508 int conv_arg, MonoType **conv_arg_type,
4509 MarshalAction action)
4511 MonoMethodBuilder *mb = m->mb;
4514 case MARSHAL_ACTION_CONV_IN: {
4515 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4517 g_assert (t->type == MONO_TYPE_OBJECT);
4518 g_assert (!t->byref);
4520 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4521 mono_mb_emit_ldarg (mb, argnum);
4522 mono_mb_emit_icon (mb, encoding);
4523 mono_mb_emit_icall (mb, mono_marshal_asany);
4524 mono_mb_emit_stloc (mb, conv_arg);
4528 case MARSHAL_ACTION_PUSH:
4529 mono_mb_emit_ldloc (mb, conv_arg);
4532 case MARSHAL_ACTION_CONV_OUT: {
4533 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4535 mono_mb_emit_ldarg (mb, argnum);
4536 mono_mb_emit_ldloc (mb, conv_arg);
4537 mono_mb_emit_icon (mb, encoding);
4538 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4543 g_assert_not_reached ();
4550 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4551 MonoMarshalSpec *spec,
4552 int conv_arg, MonoType **conv_arg_type,
4553 MarshalAction action)
4555 MonoMethodBuilder *mb = m->mb;
4559 klass = t->data.klass;
4562 case MARSHAL_ACTION_CONV_IN:
4563 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4564 klass->blittable || klass->enumtype)
4567 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4569 /* store the address of the source into local variable 0 */
4571 mono_mb_emit_ldarg (mb, argnum);
4573 mono_mb_emit_ldarg_addr (mb, argnum);
4575 mono_mb_emit_stloc (mb, 0);
4577 /* allocate space for the native struct and
4578 * store the address into local variable 1 (dest) */
4579 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4580 mono_mb_emit_byte (mb, CEE_PREFIX1);
4581 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4582 mono_mb_emit_stloc (mb, conv_arg);
4585 mono_mb_emit_ldloc (mb, 0);
4586 mono_mb_emit_byte (mb, CEE_BRFALSE);
4588 mono_mb_emit_i4 (mb, 0);
4591 if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4593 mono_mb_emit_ldloc (mb, conv_arg);
4594 mono_mb_emit_byte (mb, CEE_STLOC_1);
4596 /* emit valuetype conversion code */
4597 emit_struct_conv (mb, klass, FALSE);
4601 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4604 case MARSHAL_ACTION_PUSH:
4605 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4606 klass->blittable || klass->enumtype) {
4607 mono_mb_emit_ldarg (mb, argnum);
4610 mono_mb_emit_ldloc (mb, conv_arg);
4612 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4613 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4614 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4618 case MARSHAL_ACTION_CONV_OUT:
4619 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4620 klass->blittable || klass->enumtype)
4624 /* dst = argument */
4625 mono_mb_emit_ldarg (mb, argnum);
4626 mono_mb_emit_byte (mb, CEE_STLOC_1);
4628 mono_mb_emit_ldloc (mb, 1);
4629 mono_mb_emit_byte (mb, CEE_BRFALSE);
4631 mono_mb_emit_i4 (mb, 0);
4633 if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
4634 /* src = tmp_locals [i] */
4635 mono_mb_emit_ldloc (mb, conv_arg);
4636 mono_mb_emit_stloc (mb, 0);
4638 /* emit valuetype conversion code */
4639 emit_struct_conv (mb, klass, TRUE);
4643 emit_struct_free (mb, klass, conv_arg);
4646 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4649 case MARSHAL_ACTION_CONV_RESULT:
4650 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4652 mono_mb_emit_stloc (mb, 3);
4655 /* load pointer to returned value type */
4656 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4657 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4658 /* store the address of the source into local variable 0 */
4659 mono_mb_emit_stloc (mb, 0);
4661 mono_mb_emit_ldloc_addr (mb, 3);
4662 mono_mb_emit_byte (mb, CEE_STLOC_1);
4664 /* emit valuetype conversion code */
4665 emit_struct_conv (mb, klass, TRUE);
4668 case MARSHAL_ACTION_MANAGED_CONV_IN:
4669 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4670 klass->blittable || klass->enumtype) {
4675 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4677 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4681 mono_mb_emit_ldarg (mb, argnum);
4683 mono_mb_emit_ldarg_addr (mb, argnum);
4684 mono_mb_emit_stloc (mb, 0);
4687 mono_mb_emit_ldloc (mb, 0);
4688 mono_mb_emit_byte (mb, CEE_BRFALSE);
4690 mono_mb_emit_i4 (mb, 0);
4693 mono_mb_emit_ldloc_addr (mb, conv_arg);
4694 mono_mb_emit_byte (mb, CEE_STLOC_1);
4696 /* emit valuetype conversion code */
4697 emit_struct_conv (mb, klass, TRUE);
4700 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4703 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4704 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4705 klass->blittable || klass->enumtype) {
4709 /* Check for null */
4710 mono_mb_emit_ldarg (mb, argnum);
4711 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4714 mono_mb_emit_ldloc_addr (mb, conv_arg);
4715 mono_mb_emit_stloc (mb, 0);
4718 mono_mb_emit_ldarg (mb, argnum);
4719 mono_mb_emit_byte (mb, CEE_STLOC_1);
4721 /* emit valuetype conversion code */
4722 emit_struct_conv (mb, klass, FALSE);
4724 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4727 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4728 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4729 klass->blittable || klass->enumtype) {
4730 mono_mb_emit_stloc (mb, 3);
4735 /* load pointer to returned value type */
4736 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4737 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4739 /* store the address of the source into local variable 0 */
4740 mono_mb_emit_stloc (mb, 0);
4741 /* allocate space for the native struct and
4742 * store the address into dst_ptr */
4743 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4744 m->retobj_class = klass;
4745 g_assert (m->retobj_var);
4746 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4747 mono_mb_emit_byte (mb, CEE_CONV_I);
4748 mono_mb_emit_icall (mb, mono_marshal_alloc);
4749 mono_mb_emit_byte (mb, CEE_STLOC_1);
4750 mono_mb_emit_ldloc (mb, 1);
4751 mono_mb_emit_stloc (mb, m->retobj_var);
4753 /* emit valuetype conversion code */
4754 emit_struct_conv (mb, klass, FALSE);
4758 g_assert_not_reached ();
4765 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4766 MonoMarshalSpec *spec,
4767 int conv_arg, MonoType **conv_arg_type,
4768 MarshalAction action)
4770 MonoMethodBuilder *mb = m->mb;
4771 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4772 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4776 case MARSHAL_ACTION_CONV_IN:
4777 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4778 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4781 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4784 mono_mb_emit_ldarg (mb, argnum);
4785 mono_mb_emit_byte (mb, CEE_LDIND_I);
4787 mono_mb_emit_ldarg (mb, argnum);
4791 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4792 MonoException *exc = mono_get_exception_not_implemented (msg);
4795 mono_raise_exception (exc);
4798 mono_mb_emit_icall (mb, conv_to_icall (conv));
4800 mono_mb_emit_stloc (mb, conv_arg);
4803 case MARSHAL_ACTION_CONV_OUT:
4804 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4805 mono_mb_emit_ldarg (mb, argnum);
4806 mono_mb_emit_ldloc (mb, conv_arg);
4807 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4808 mono_mb_emit_byte (mb, CEE_STIND_I);
4810 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4811 mono_mb_emit_ldloc (mb, conv_arg);
4812 mono_mb_emit_icall (mb, mono_marshal_free);
4817 case MARSHAL_ACTION_CONV_RESULT:
4818 mono_mb_emit_stloc (mb, 0);
4820 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4822 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4823 mono_mb_emit_exception_marshal_directive (mb, msg);
4827 mono_mb_emit_ldloc (mb, 0);
4828 mono_mb_emit_icall (mb, conv_to_icall (conv));
4829 mono_mb_emit_stloc (mb, 3);
4831 /* free the string */
4832 mono_mb_emit_ldloc (mb, 0);
4833 mono_mb_emit_icall (mb, g_free);
4836 case MARSHAL_ACTION_MANAGED_CONV_IN:
4842 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4843 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4845 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4847 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4848 mono_mb_emit_exception_marshal_directive (mb, msg);
4852 mono_mb_emit_ldarg (mb, argnum);
4853 mono_mb_emit_icall (mb, conv_to_icall (conv));
4854 mono_mb_emit_stloc (mb, conv_arg);
4857 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4858 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
4859 mono_mb_emit_stloc (mb, 3);
4863 g_assert_not_reached ();
4870 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4871 MonoMarshalSpec *spec,
4872 int conv_arg, MonoType **conv_arg_type,
4873 MarshalAction action)
4875 MonoMethodBuilder *mb = m->mb;
4876 MonoClass *klass = t->data.klass;
4879 if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
4880 mono_raise_exception (mono_get_exception_not_implemented ("Marshalling of type object is not implemented"));
4884 case MARSHAL_ACTION_CONV_IN:
4885 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4886 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4888 m->orig_conv_args [argnum] = 0;
4890 if (klass->delegate) {
4891 g_assert (!t->byref);
4892 mono_mb_emit_ldarg (mb, argnum);
4893 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4894 mono_mb_emit_stloc (mb, conv_arg);
4895 } else if (klass == mono_defaults.stringbuilder_class) {
4896 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4897 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4899 g_assert (!t->byref);
4900 mono_mb_emit_ldarg (mb, argnum);
4903 mono_mb_emit_icall (mb, conv_to_icall (conv));
4905 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4906 MonoException *exc = mono_get_exception_not_implemented (msg);
4909 mono_raise_exception (exc);
4912 mono_mb_emit_stloc (mb, conv_arg);
4913 } else if (klass->blittable) {
4914 mono_mb_emit_ldarg (mb, argnum);
4915 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4916 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4917 mono_mb_emit_icon (mb, sizeof (MonoObject));
4918 mono_mb_emit_byte (mb, CEE_ADD);
4919 mono_mb_emit_stloc (mb, conv_arg);
4922 mono_mb_emit_byte (mb, CEE_LDNULL);
4923 mono_mb_emit_stloc (mb, conv_arg);
4926 /* we dont need any conversions for out parameters */
4927 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4930 mono_mb_emit_ldarg (mb, argnum);
4931 mono_mb_emit_byte (mb, CEE_LDIND_I);
4934 mono_mb_emit_ldarg (mb, argnum);
4935 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4936 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4939 /* store the address of the source into local variable 0 */
4940 mono_mb_emit_stloc (mb, 0);
4941 mono_mb_emit_ldloc (mb, 0);
4942 mono_mb_emit_byte (mb, CEE_BRFALSE);
4944 mono_mb_emit_i4 (mb, 0);
4946 /* allocate space for the native struct and store the address */
4947 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4948 mono_mb_emit_byte (mb, CEE_PREFIX1);
4949 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4950 mono_mb_emit_stloc (mb, conv_arg);
4953 /* Need to store the original buffer so we can free it later */
4954 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4955 mono_mb_emit_ldloc (mb, conv_arg);
4956 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
4959 /* set the src_ptr */
4960 mono_mb_emit_ldloc (mb, 0);
4961 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4962 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4963 mono_mb_emit_icon (mb, sizeof (MonoObject));
4964 mono_mb_emit_byte (mb, CEE_ADD);
4965 mono_mb_emit_stloc (mb, 0);
4968 mono_mb_emit_ldloc (mb, conv_arg);
4969 mono_mb_emit_byte (mb, CEE_STLOC_1);
4971 /* emit valuetype conversion code */
4972 emit_struct_conv (mb, klass, FALSE);
4974 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4978 case MARSHAL_ACTION_CONV_OUT:
4979 if (klass == mono_defaults.stringbuilder_class) {
4981 MonoMarshalNative encoding;
4982 MonoMarshalConv conv;
4984 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4985 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
4987 g_assert (!t->byref);
4988 g_assert (encoding != -1);
4990 mono_mb_emit_ldarg (mb, argnum);
4991 mono_mb_emit_ldloc (mb, conv_arg);
4993 mono_mb_emit_icall (mb, conv_to_icall (conv));
4996 mono_mb_emit_ldloc (mb, conv_arg);
4997 mono_mb_emit_icall (mb, mono_marshal_free);
5002 if (klass->delegate)
5005 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5006 /* allocate a new object */
5007 mono_mb_emit_ldarg (mb, argnum);
5008 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5009 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5010 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5011 mono_mb_emit_byte (mb, CEE_STIND_I);
5014 /* dst = *argument */
5015 mono_mb_emit_ldarg (mb, argnum);
5018 mono_mb_emit_byte (mb, CEE_LDIND_I);
5020 mono_mb_emit_byte (mb, CEE_STLOC_1);
5022 mono_mb_emit_ldloc (mb, 1);
5023 mono_mb_emit_byte (mb, CEE_BRFALSE);
5025 mono_mb_emit_i4 (mb, 0);
5027 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5028 mono_mb_emit_ldloc (mb, 1);
5029 mono_mb_emit_icon (mb, sizeof (MonoObject));
5030 mono_mb_emit_byte (mb, CEE_ADD);
5031 mono_mb_emit_byte (mb, CEE_STLOC_1);
5033 /* src = tmp_locals [i] */
5034 mono_mb_emit_ldloc (mb, conv_arg);
5035 mono_mb_emit_stloc (mb, 0);
5037 /* emit valuetype conversion code */
5038 emit_struct_conv (mb, t->data.klass, TRUE);
5040 /* Free the structure returned by the native code */
5041 emit_struct_free (mb, klass, conv_arg);
5043 if (m->orig_conv_args [argnum]) {
5045 * If the native function changed the pointer, then free
5046 * the original structure plus the new pointer.
5048 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5049 mono_mb_emit_ldloc (mb, conv_arg);
5050 mono_mb_emit_byte (mb, CEE_BEQ);
5052 mono_mb_emit_i4 (mb, 0);
5054 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5055 g_assert (m->orig_conv_args [argnum]);
5057 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5060 mono_mb_emit_ldloc (mb, conv_arg);
5061 mono_mb_emit_icall (mb, g_free);
5063 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5067 /* Free the original structure passed to native code */
5068 emit_struct_free (mb, klass, conv_arg);
5070 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5073 case MARSHAL_ACTION_CONV_RESULT:
5074 if (klass->delegate) {
5075 g_assert (!t->byref);
5076 mono_mb_emit_stloc (mb, 0);
5077 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5078 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5079 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5080 mono_mb_emit_ldloc (mb, 0);
5081 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5082 mono_mb_emit_stloc (mb, 3);
5085 mono_mb_emit_stloc (mb, 0);
5087 /* Make a copy since emit_conv modifies local 0 */
5088 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5089 mono_mb_emit_ldloc (mb, 0);
5090 mono_mb_emit_stloc (mb, loc);
5092 mono_mb_emit_byte (mb, CEE_LDNULL);
5093 mono_mb_emit_stloc (mb, 3);
5095 mono_mb_emit_ldloc (mb, 0);
5096 mono_mb_emit_byte (mb, CEE_BRFALSE);
5098 mono_mb_emit_i4 (mb, 0);
5100 /* allocate result object */
5102 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5103 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5104 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5105 mono_mb_emit_stloc (mb, 3);
5109 mono_mb_emit_ldloc (mb, 3);
5110 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5111 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5112 mono_mb_emit_icon (mb, sizeof (MonoObject));
5113 mono_mb_emit_byte (mb, CEE_ADD);
5114 mono_mb_emit_byte (mb, CEE_STLOC_1);
5116 /* emit conversion code */
5117 emit_struct_conv (mb, klass, TRUE);
5119 emit_struct_free (mb, klass, loc);
5121 /* Free the pointer allocated by unmanaged code */
5122 mono_mb_emit_ldloc (mb, loc);
5123 mono_mb_emit_icall (mb, g_free);
5124 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5128 case MARSHAL_ACTION_MANAGED_CONV_IN:
5129 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
5131 if (klass->delegate) {
5132 g_assert (!t->byref);
5133 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5134 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5135 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5136 mono_mb_emit_ldarg (mb, argnum);
5137 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5138 mono_mb_emit_stloc (mb, conv_arg);
5142 /* The class can not have an automatic layout */
5143 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5144 mono_mb_emit_auto_layout_exception (mb, klass);
5148 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
5149 mono_mb_emit_byte (mb, CEE_LDNULL);
5150 mono_mb_emit_stloc (mb, conv_arg);
5155 mono_mb_emit_ldarg (mb, argnum);
5159 /* Check for NULL and raise an exception */
5160 mono_mb_emit_byte (mb, CEE_BRTRUE);
5162 mono_mb_emit_i4 (mb, 0);
5164 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
5166 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5167 mono_mb_emit_ldarg (mb, argnum);
5168 mono_mb_emit_byte (mb, CEE_LDIND_I);
5171 mono_mb_emit_stloc (mb, 0);
5173 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5174 mono_mb_emit_stloc (mb, conv_arg);
5176 mono_mb_emit_ldloc (mb, 0);
5177 mono_mb_emit_byte (mb, CEE_BRFALSE);
5179 mono_mb_emit_i4 (mb, 0);
5181 /* Create and set dst */
5182 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5183 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5184 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5185 mono_mb_emit_stloc (mb, conv_arg);
5186 mono_mb_emit_ldloc (mb, conv_arg);
5187 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5188 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5189 mono_mb_emit_icon (mb, sizeof (MonoObject));
5190 mono_mb_emit_byte (mb, CEE_ADD);
5191 mono_mb_emit_byte (mb, CEE_STLOC_1);
5193 /* emit valuetype conversion code */
5194 emit_struct_conv (mb, klass, TRUE);
5196 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5199 case MARSHAL_ACTION_MANAGED_CONV_OUT:
5200 /* Check for null */
5201 mono_mb_emit_ldloc (mb, conv_arg);
5202 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5203 mono_mb_emit_ldarg (mb, argnum);
5204 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5205 mono_mb_emit_byte (mb, CEE_STIND_I);
5206 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5208 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5211 mono_mb_emit_ldloc (mb, conv_arg);
5212 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5213 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5214 mono_mb_emit_icon (mb, sizeof (MonoObject));
5215 mono_mb_emit_byte (mb, CEE_ADD);
5216 mono_mb_emit_stloc (mb, 0);
5218 /* Allocate and set dest */
5219 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5220 mono_mb_emit_byte (mb, CEE_CONV_I);
5221 mono_mb_emit_icall (mb, mono_marshal_alloc);
5222 mono_mb_emit_byte (mb, CEE_STLOC_1);
5224 /* Update argument pointer */
5225 mono_mb_emit_ldarg (mb, argnum);
5226 mono_mb_emit_ldloc (mb, 1);
5227 mono_mb_emit_byte (mb, CEE_STIND_I);
5229 /* emit valuetype conversion code */
5230 emit_struct_conv (mb, klass, FALSE);
5232 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5235 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5236 if (klass->delegate) {
5237 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5238 mono_mb_emit_stloc (mb, 3);
5242 /* The class can not have an automatic layout */
5243 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5244 mono_mb_emit_auto_layout_exception (mb, klass);
5248 mono_mb_emit_stloc (mb, 0);
5249 /* Check for null */
5250 mono_mb_emit_ldloc (mb, 0);
5251 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5252 mono_mb_emit_byte (mb, CEE_LDNULL);
5253 mono_mb_emit_stloc (mb, 3);
5254 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5256 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5259 mono_mb_emit_ldloc (mb, 0);
5260 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5261 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5262 mono_mb_emit_icon (mb, sizeof (MonoObject));
5263 mono_mb_emit_byte (mb, CEE_ADD);
5264 mono_mb_emit_stloc (mb, 0);
5266 /* Allocate and set dest */
5267 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5268 mono_mb_emit_byte (mb, CEE_CONV_I);
5269 mono_mb_emit_icall (mb, mono_marshal_alloc);
5270 mono_mb_emit_byte (mb, CEE_DUP);
5271 mono_mb_emit_byte (mb, CEE_STLOC_1);
5272 mono_mb_emit_stloc (mb, 3);
5274 emit_struct_conv (mb, klass, FALSE);
5276 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5280 g_assert_not_reached ();
5287 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5288 MonoMarshalSpec *spec,
5289 int conv_arg, MonoType **conv_arg_type,
5290 MarshalAction action)
5292 MonoMethodBuilder *mb = m->mb;
5293 MonoClass *klass = mono_class_from_mono_type (t);
5294 gboolean need_convert, need_free;
5295 MonoMarshalNative encoding;
5297 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5300 case MARSHAL_ACTION_CONV_IN:
5301 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5302 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5304 if (klass->element_class->blittable) {
5305 mono_mb_emit_ldarg (mb, argnum);
5307 mono_mb_emit_byte (mb, CEE_LDIND_I);
5308 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5309 mono_mb_emit_stloc (mb, conv_arg);
5313 guint32 label1, label2, label3;
5314 int index_var, src_var, dest_ptr, esize;
5315 MonoMarshalConv conv;
5316 gboolean is_string = FALSE;
5318 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5320 eklass = klass->element_class;
5322 if (eklass == mono_defaults.string_class) {
5324 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5326 else if (eklass == mono_defaults.stringbuilder_class) {
5328 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5333 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5334 mono_mb_emit_ldarg (mb, argnum);
5336 mono_mb_emit_byte (mb, CEE_LDIND_I);
5337 mono_mb_emit_stloc (mb, src_var);
5340 mono_mb_emit_ldloc (mb, src_var);
5341 mono_mb_emit_stloc (mb, conv_arg);
5342 mono_mb_emit_ldloc (mb, src_var);
5343 mono_mb_emit_byte (mb, CEE_BRFALSE);
5345 mono_mb_emit_i4 (mb, 0);
5349 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5350 MonoException *exc = mono_get_exception_not_implemented (msg);
5353 mono_raise_exception (exc);
5358 esize = sizeof (gpointer);
5360 esize = mono_class_native_size (eklass, NULL);
5362 /* allocate space for the native struct and store the address */
5363 mono_mb_emit_icon (mb, esize);
5364 mono_mb_emit_ldloc (mb, src_var);
5365 mono_mb_emit_byte (mb, CEE_LDLEN);
5367 if (eklass == mono_defaults.string_class) {
5368 /* Make the array bigger for the terminating null */
5369 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5370 mono_mb_emit_byte (mb, CEE_ADD);
5372 mono_mb_emit_byte (mb, CEE_MUL);
5373 mono_mb_emit_byte (mb, CEE_PREFIX1);
5374 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5375 mono_mb_emit_stloc (mb, conv_arg);
5377 mono_mb_emit_ldloc (mb, conv_arg);
5378 mono_mb_emit_stloc (mb, dest_ptr);
5380 /* Emit marshalling loop */
5381 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5382 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5383 mono_mb_emit_stloc (mb, index_var);
5385 mono_mb_emit_ldloc (mb, index_var);
5386 mono_mb_emit_ldloc (mb, src_var);
5387 mono_mb_emit_byte (mb, CEE_LDLEN);
5388 mono_mb_emit_byte (mb, CEE_BGE);
5390 mono_mb_emit_i4 (mb, 0);
5392 /* Emit marshalling code */
5395 mono_mb_emit_ldloc (mb, dest_ptr);
5396 mono_mb_emit_ldloc (mb, src_var);
5397 mono_mb_emit_ldloc (mb, index_var);
5398 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5399 mono_mb_emit_icall (mb, conv_to_icall (conv));
5400 mono_mb_emit_byte (mb, CEE_STIND_I);
5403 /* set the src_ptr */
5404 mono_mb_emit_ldloc (mb, src_var);
5405 mono_mb_emit_ldloc (mb, index_var);
5406 mono_mb_emit_byte (mb, CEE_LDELEMA);
5407 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5408 mono_mb_emit_stloc (mb, 0);
5411 mono_mb_emit_ldloc (mb, dest_ptr);
5412 mono_mb_emit_byte (mb, CEE_STLOC_1);
5414 /* emit valuetype conversion code */
5415 emit_struct_conv (mb, eklass, FALSE);
5418 mono_mb_emit_add_to_local (mb, index_var, 1);
5419 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5421 mono_mb_emit_byte (mb, CEE_BR);
5422 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5424 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5426 if (eklass == mono_defaults.string_class) {
5427 /* Null terminate */
5428 mono_mb_emit_ldloc (mb, dest_ptr);
5429 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5430 mono_mb_emit_byte (mb, CEE_STIND_REF);
5433 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5438 case MARSHAL_ACTION_CONV_OUT:
5439 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
5440 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);
5441 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5444 if (need_convert || need_free) {
5445 /* FIXME: Optimize blittable case */
5447 guint32 label1, label2, label3;
5448 int index_var, src_ptr, loc, esize;
5450 eklass = klass->element_class;
5451 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5452 esize = sizeof (gpointer);
5454 esize = mono_class_native_size (eklass, NULL);
5455 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5456 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5459 mono_mb_emit_ldarg (mb, argnum);
5461 mono_mb_emit_byte (mb, CEE_LDIND_I);
5462 mono_mb_emit_byte (mb, CEE_BRFALSE);
5464 mono_mb_emit_i4 (mb, 0);
5466 mono_mb_emit_ldloc (mb, conv_arg);
5467 mono_mb_emit_stloc (mb, src_ptr);
5469 /* Emit marshalling loop */
5470 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5471 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5472 mono_mb_emit_stloc (mb, index_var);
5474 mono_mb_emit_ldloc (mb, index_var);
5475 mono_mb_emit_ldarg (mb, argnum);
5477 mono_mb_emit_byte (mb, CEE_LDIND_I);
5478 mono_mb_emit_byte (mb, CEE_LDLEN);
5479 mono_mb_emit_byte (mb, CEE_BGE);
5481 mono_mb_emit_i4 (mb, 0);
5483 /* Emit marshalling code */
5485 if (eklass == mono_defaults.stringbuilder_class) {
5486 gboolean need_free2;
5487 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5489 g_assert (conv != -1);
5492 mono_mb_emit_ldarg (mb, argnum);
5494 mono_mb_emit_byte (mb, CEE_LDIND_I);
5495 mono_mb_emit_ldloc (mb, index_var);
5496 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5499 mono_mb_emit_ldloc (mb, src_ptr);
5500 mono_mb_emit_byte (mb, CEE_LDIND_I);
5502 mono_mb_emit_icall (mb, conv_to_icall (conv));
5506 mono_mb_emit_ldloc (mb, src_ptr);
5507 mono_mb_emit_byte (mb, CEE_LDIND_I);
5509 mono_mb_emit_icall (mb, mono_marshal_free);
5512 else if (eklass == mono_defaults.string_class) {
5515 mono_mb_emit_ldloc (mb, src_ptr);
5516 mono_mb_emit_byte (mb, CEE_LDIND_I);
5518 mono_mb_emit_icall (mb, mono_marshal_free);
5523 /* set the src_ptr */
5524 mono_mb_emit_ldloc (mb, src_ptr);
5525 mono_mb_emit_stloc (mb, 0);
5528 mono_mb_emit_ldarg (mb, argnum);
5530 mono_mb_emit_byte (mb, CEE_LDIND_I);
5531 mono_mb_emit_ldloc (mb, index_var);
5532 mono_mb_emit_byte (mb, CEE_LDELEMA);
5533 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5534 mono_mb_emit_byte (mb, CEE_STLOC_1);
5536 /* emit valuetype conversion code */
5537 emit_struct_conv (mb, eklass, TRUE);
5541 mono_mb_emit_ldloc (mb, src_ptr);
5542 mono_mb_emit_stloc (mb, loc);
5543 mono_mb_emit_ldloc (mb, loc);
5545 emit_struct_free (mb, eklass, loc);
5549 mono_mb_emit_add_to_local (mb, index_var, 1);
5550 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5552 mono_mb_emit_byte (mb, CEE_BR);
5553 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5555 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5556 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5560 case MARSHAL_ACTION_CONV_RESULT:
5561 /* fixme: we need conversions here */
5562 mono_mb_emit_stloc (mb, 3);
5565 case MARSHAL_ACTION_MANAGED_CONV_IN: {
5567 guint32 label1, label2, label3;
5568 int index_var, src_ptr, loc, esize, param_num, num_elem;
5569 MonoMarshalConv conv;
5570 gboolean is_string = FALSE;
5572 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5573 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5576 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
5577 mono_mb_emit_exception_marshal_directive (mb, msg);
5580 if (spec->native != MONO_NATIVE_LPARRAY) {
5581 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
5582 mono_mb_emit_exception_marshal_directive (mb, msg);
5586 /* FIXME: t is from the method which is wrapped, not the delegate type */
5587 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
5589 param_num = spec->data.array_data.param_num;
5590 num_elem = spec->data.array_data.num_elem;
5591 if (spec->data.array_data.elem_mult == 0)
5592 /* param_num is not specified */
5595 if (param_num == -1) {
5596 if (num_elem <= 0) {
5597 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
5598 mono_mb_emit_exception_marshal_directive (mb, msg);
5603 /* FIXME: Optimize blittable case */
5605 eklass = klass->element_class;
5606 if (eklass == mono_defaults.string_class) {
5608 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5610 else if (eklass == mono_defaults.stringbuilder_class) {
5612 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5617 mono_marshal_load_type_info (eklass);
5620 esize = sizeof (gpointer);
5622 esize = mono_class_native_size (eklass, NULL);
5623 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5624 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5626 mono_mb_emit_byte (mb, CEE_LDNULL);
5627 mono_mb_emit_stloc (mb, conv_arg);
5629 /* Check param index */
5630 if (param_num != -1) {
5631 if (param_num >= m->sig->param_count) {
5632 char *msg = g_strdup ("Array size control parameter index is out of range.");
5633 mono_mb_emit_exception_marshal_directive (mb, msg);
5636 switch (m->sig->params [param_num]->type) {
5649 char *msg = g_strdup ("Array size control parameter must be an integral type.");
5650 mono_mb_emit_exception_marshal_directive (mb, msg);
5657 mono_mb_emit_ldarg (mb, argnum);
5658 mono_mb_emit_byte (mb, CEE_BRFALSE);
5660 mono_mb_emit_i4 (mb, 0);
5662 mono_mb_emit_ldarg (mb, argnum);
5663 mono_mb_emit_stloc (mb, src_ptr);
5665 /* Create managed array */
5667 * The LPArray marshalling spec says that sometimes param_num starts
5668 * from 1, sometimes it starts from 0. But MS seems to allways start
5672 if (param_num == -1)
5673 mono_mb_emit_icon (mb, num_elem);
5675 /* FIXME: Add the two together */
5676 mono_mb_emit_ldarg (mb, param_num);
5678 mono_mb_emit_icon (mb, num_elem);
5679 mono_mb_emit_byte (mb, CEE_ADD);
5683 mono_mb_emit_byte (mb, CEE_NEWARR);
5684 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5685 mono_mb_emit_stloc (mb, conv_arg);
5687 if (eklass->blittable) {
5688 mono_mb_emit_ldloc (mb, conv_arg);
5689 mono_mb_emit_byte (mb, CEE_CONV_I);
5690 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5691 mono_mb_emit_byte (mb, CEE_ADD);
5692 mono_mb_emit_ldarg (mb, argnum);
5693 mono_mb_emit_ldloc (mb, conv_arg);
5694 mono_mb_emit_byte (mb, CEE_LDLEN);
5695 mono_mb_emit_icon (mb, esize);
5696 mono_mb_emit_byte (mb, CEE_MUL);
5697 mono_mb_emit_byte (mb, CEE_PREFIX1);
5698 mono_mb_emit_byte (mb, CEE_CPBLK);
5702 /* Emit marshalling loop */
5703 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5704 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5705 mono_mb_emit_stloc (mb, index_var);
5707 mono_mb_emit_ldloc (mb, index_var);
5708 mono_mb_emit_ldloc (mb, conv_arg);
5709 mono_mb_emit_byte (mb, CEE_LDLEN);
5710 mono_mb_emit_byte (mb, CEE_BGE);
5712 mono_mb_emit_i4 (mb, 0);
5714 /* Emit marshalling code */
5716 g_assert (conv != -1);
5718 mono_mb_emit_ldloc (mb, conv_arg);
5719 mono_mb_emit_ldloc (mb, index_var);
5721 mono_mb_emit_ldloc (mb, src_ptr);
5722 mono_mb_emit_byte (mb, CEE_LDIND_I);
5724 mono_mb_emit_icall (mb, conv_to_icall (conv));
5725 mono_mb_emit_byte (mb, CEE_STELEM_REF);
5728 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5729 mono_mb_emit_exception_marshal_directive (mb, msg);
5733 mono_mb_emit_add_to_local (mb, index_var, 1);
5734 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5736 mono_mb_emit_byte (mb, CEE_BR);
5737 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5739 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5740 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5744 case MARSHAL_ACTION_MANAGED_CONV_OUT: {
5746 guint32 label1, label2, label3;
5747 int index_var, dest_ptr, loc, esize, param_num, num_elem;
5748 MonoMarshalConv conv;
5749 gboolean is_string = FALSE;
5751 /* These are already checked in CONV_IN */
5752 g_assert (!t->byref);
5753 g_assert (spec->native == MONO_NATIVE_LPARRAY);
5754 g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
5756 param_num = spec->data.array_data.param_num;
5757 num_elem = spec->data.array_data.num_elem;
5759 if (spec->data.array_data.elem_mult == 0)
5760 /* param_num is not specified */
5763 if (param_num == -1) {
5764 if (num_elem <= 0) {
5765 g_assert_not_reached ();
5769 /* FIXME: Optimize blittable case */
5771 eklass = klass->element_class;
5772 if (eklass == mono_defaults.string_class) {
5774 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5776 else if (eklass == mono_defaults.stringbuilder_class) {
5778 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5783 mono_marshal_load_type_info (eklass);
5786 esize = sizeof (gpointer);
5788 esize = mono_class_native_size (eklass, NULL);
5790 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5791 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5794 mono_mb_emit_ldloc (mb, conv_arg);
5795 mono_mb_emit_byte (mb, CEE_BRFALSE);
5797 mono_mb_emit_i4 (mb, 0);
5799 mono_mb_emit_ldarg (mb, argnum);
5800 mono_mb_emit_stloc (mb, dest_ptr);
5802 if (eklass->blittable) {
5804 mono_mb_emit_ldarg (mb, argnum);
5806 mono_mb_emit_ldloc (mb, conv_arg);
5807 mono_mb_emit_byte (mb, CEE_CONV_I);
5808 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5809 mono_mb_emit_byte (mb, CEE_ADD);
5811 mono_mb_emit_ldloc (mb, conv_arg);
5812 mono_mb_emit_byte (mb, CEE_LDLEN);
5813 mono_mb_emit_icon (mb, esize);
5814 mono_mb_emit_byte (mb, CEE_MUL);
5815 mono_mb_emit_byte (mb, CEE_PREFIX1);
5816 mono_mb_emit_byte (mb, CEE_CPBLK);
5820 /* Emit marshalling loop */
5821 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5822 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5823 mono_mb_emit_stloc (mb, index_var);
5825 mono_mb_emit_ldloc (mb, index_var);
5826 mono_mb_emit_ldloc (mb, conv_arg);
5827 mono_mb_emit_byte (mb, CEE_LDLEN);
5828 mono_mb_emit_byte (mb, CEE_BGE);
5830 mono_mb_emit_i4 (mb, 0);
5832 /* Emit marshalling code */
5834 g_assert (conv != -1);
5837 mono_mb_emit_ldloc (mb, dest_ptr);
5840 mono_mb_emit_ldloc (mb, conv_arg);
5841 mono_mb_emit_ldloc (mb, index_var);
5843 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5845 mono_mb_emit_icall (mb, conv_to_icall (conv));
5846 mono_mb_emit_byte (mb, CEE_STIND_I);
5849 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5850 mono_mb_emit_exception_marshal_directive (mb, msg);
5854 mono_mb_emit_add_to_local (mb, index_var, 1);
5855 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5857 mono_mb_emit_byte (mb, CEE_BR);
5858 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5860 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5861 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5865 case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
5867 guint32 label1, label2, label3;
5868 int index_var, src, dest, esize;
5869 MonoMarshalConv conv = -1;
5870 gboolean is_string = FALSE;
5872 g_assert (!t->byref);
5874 eklass = klass->element_class;
5876 mono_marshal_load_type_info (eklass);
5878 if (eklass == mono_defaults.string_class) {
5880 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5883 g_assert_not_reached ();
5887 esize = sizeof (gpointer);
5889 esize = mono_class_native_size (eklass, NULL);
5891 src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5892 dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5894 mono_mb_emit_stloc (mb, src);
5895 mono_mb_emit_ldloc (mb, src);
5896 mono_mb_emit_stloc (mb, 3);
5898 /* Check for null */
5899 mono_mb_emit_ldloc (mb, src);
5900 label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5902 /* Allocate native array */
5903 mono_mb_emit_icon (mb, esize);
5904 mono_mb_emit_ldloc (mb, src);
5905 mono_mb_emit_byte (mb, CEE_LDLEN);
5907 if (eklass == mono_defaults.string_class) {
5908 /* Make the array bigger for the terminating null */
5909 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5910 mono_mb_emit_byte (mb, CEE_ADD);
5912 mono_mb_emit_byte (mb, CEE_MUL);
5913 mono_mb_emit_icall (mb, mono_marshal_alloc);
5914 mono_mb_emit_stloc (mb, dest);
5915 mono_mb_emit_ldloc (mb, dest);
5916 mono_mb_emit_stloc (mb, 3);
5918 /* Emit marshalling loop */
5919 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5920 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5921 mono_mb_emit_stloc (mb, index_var);
5923 mono_mb_emit_ldloc (mb, index_var);
5924 mono_mb_emit_ldloc (mb, src);
5925 mono_mb_emit_byte (mb, CEE_LDLEN);
5926 label3 = mono_mb_emit_branch (mb, CEE_BGE);
5928 /* Emit marshalling code */
5930 g_assert (conv != -1);
5933 mono_mb_emit_ldloc (mb, dest);
5936 mono_mb_emit_ldloc (mb, src);
5937 mono_mb_emit_ldloc (mb, index_var);
5939 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5941 mono_mb_emit_icall (mb, conv_to_icall (conv));
5942 mono_mb_emit_byte (mb, CEE_STIND_I);
5945 char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
5946 mono_mb_emit_exception_marshal_directive (mb, msg);
5950 mono_mb_emit_add_to_local (mb, index_var, 1);
5951 mono_mb_emit_add_to_local (mb, dest, esize);
5953 mono_mb_emit_byte (mb, CEE_BR);
5954 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5956 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5957 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5961 g_assert_not_reached ();
5968 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5969 MonoMarshalSpec *spec,
5970 int conv_arg, MonoType **conv_arg_type,
5971 MarshalAction action)
5973 MonoMethodBuilder *mb = m->mb;
5976 case MARSHAL_ACTION_CONV_IN: {
5977 MonoType *local_type;
5978 int variant_bool = 0;
5982 local_type = &mono_defaults.int32_class->byval_arg;
5984 switch (spec->native) {
5985 case MONO_NATIVE_I1:
5986 local_type = &mono_defaults.byte_class->byval_arg;
5988 case MONO_NATIVE_VARIANTBOOL:
5989 local_type = &mono_defaults.int16_class->byval_arg;
5993 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5994 local_type = &mono_defaults.int32_class->byval_arg;
5998 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5999 conv_arg = mono_mb_add_local (mb, local_type);
6000 mono_mb_emit_ldarg (mb, argnum);
6001 mono_mb_emit_byte (mb, CEE_LDIND_I1);
6003 mono_mb_emit_byte (mb, CEE_NEG);
6004 mono_mb_emit_stloc (mb, conv_arg);
6008 case MARSHAL_ACTION_CONV_RESULT:
6009 /* maybe we need to make sure that it fits within 8 bits */
6010 mono_mb_emit_stloc (mb, 3);
6014 g_assert_not_reached ();
6021 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
6022 MonoMarshalSpec *spec, int conv_arg,
6023 MonoType **conv_arg_type, MarshalAction action)
6026 case MARSHAL_ACTION_CONV_IN:
6027 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
6028 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
6029 mono_mb_emit_exception_marshal_directive (m->mb, msg);
6040 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
6041 MonoMarshalSpec *spec, int conv_arg,
6042 MonoType **conv_arg_type, MarshalAction action)
6044 /* Ensure that we have marshalling info for this param */
6045 mono_marshal_load_type_info (mono_class_from_mono_type (t));
6047 if (spec && spec->native == MONO_NATIVE_CUSTOM)
6048 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6050 if (spec && spec->native == MONO_NATIVE_ASANY)
6051 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6054 case MONO_TYPE_VALUETYPE:
6055 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6056 case MONO_TYPE_STRING:
6057 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6058 case MONO_TYPE_CLASS:
6059 case MONO_TYPE_OBJECT:
6060 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6061 case MONO_TYPE_ARRAY:
6062 case MONO_TYPE_SZARRAY:
6063 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6064 case MONO_TYPE_BOOLEAN:
6065 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6067 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
6074 * mono_marshal_emit_native_wrapper:
6075 * @sig: The signature of the native function
6076 * @piinfo: Marshalling information
6077 * @mspecs: Marshalling information
6078 * @func: the native function to call
6080 * generates IL code for the pinvoke wrapper, the generated code calls @func.
6083 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6085 EmitMarshalContext m;
6086 MonoMethodSignature *csig;
6088 int i, argnum, *tmp_locals;
6094 /* we copy the signature, so that we can set pinvoke to 0 */
6095 csig = mono_metadata_signature_dup (sig);
6098 /* we allocate local for use with emit_struct_conv() */
6099 /* allocate local 0 (pointer) src_ptr */
6100 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6101 /* allocate local 1 (pointer) dst_ptr */
6102 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6103 /* allocate local 2 (boolean) delete_old */
6104 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6106 /* delete_old = FALSE */
6107 mono_mb_emit_icon (mb, 0);
6108 mono_mb_emit_stloc (mb, 2);
6110 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6111 /* allocate local 3 to store the return value */
6112 mono_mb_add_local (mb, sig->ret);
6115 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6116 /* Return type custom marshaling */
6118 * Since we can't determine the return type of the unmanaged function,
6119 * we assume it returns a pointer, and pass that pointer to
6120 * MarshalNativeToManaged.
6122 csig->ret = &mono_defaults.int_class->byval_arg;
6125 /* we first do all conversions */
6126 tmp_locals = alloca (sizeof (int) * sig->param_count);
6127 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
6129 for (i = 0; i < sig->param_count; i ++) {
6130 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
6133 /* push all arguments */
6136 mono_mb_emit_byte (mb, CEE_LDARG_0);
6138 for (i = 0; i < sig->param_count; i++) {
6139 MonoType *t = sig->params [i];
6140 MonoMarshalSpec *spec = mspecs [i + 1];
6142 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
6143 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
6145 argnum = i + sig->hasthis;
6148 case MONO_TYPE_BOOLEAN:
6150 g_assert (tmp_locals [i]);
6151 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6153 mono_mb_emit_ldarg (mb, argnum);
6168 mono_mb_emit_ldarg (mb, argnum);
6170 case MONO_TYPE_VALUETYPE:
6171 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
6173 case MONO_TYPE_STRING:
6174 case MONO_TYPE_CLASS:
6175 case MONO_TYPE_OBJECT:
6176 case MONO_TYPE_ARRAY:
6177 case MONO_TYPE_SZARRAY:
6178 g_assert (tmp_locals [i]);
6180 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6182 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6184 case MONO_TYPE_CHAR:
6185 /* fixme: dont know how to marshal that. We cant simply
6186 * convert it to a one byte UTF8 character, because an
6187 * unicode character may need more that one byte in UTF8 */
6188 mono_mb_emit_ldarg (mb, argnum);
6190 case MONO_TYPE_TYPEDBYREF:
6191 case MONO_TYPE_FNPTR:
6193 g_warning ("type 0x%02x unknown", t->type);
6194 g_assert_not_reached ();
6199 /* call the native method */
6200 mono_mb_emit_native_call (mb, csig, func);
6202 /* Set LastError if needed */
6203 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
6204 MonoMethodSignature *lasterr_sig;
6206 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
6207 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
6208 lasterr_sig->pinvoke = 1;
6210 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
6213 /* convert the result */
6214 if (!sig->ret->byref) {
6215 MonoMarshalSpec *spec = mspecs [0];
6216 type = sig->ret->type;
6218 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6219 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6224 case MONO_TYPE_VOID:
6239 /* no conversions necessary */
6240 mono_mb_emit_stloc (mb, 3);
6242 case MONO_TYPE_VALUETYPE:
6243 klass = sig->ret->data.klass;
6244 if (klass->enumtype) {
6245 type = sig->ret->data.klass->enum_basetype->type;
6248 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6250 case MONO_TYPE_STRING:
6251 case MONO_TYPE_CLASS:
6252 case MONO_TYPE_OBJECT:
6253 case MONO_TYPE_BOOLEAN:
6254 case MONO_TYPE_ARRAY:
6255 case MONO_TYPE_SZARRAY:
6256 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
6258 case MONO_TYPE_CHAR:
6259 /* fixme: we need conversions here */
6260 mono_mb_emit_stloc (mb, 3);
6262 case MONO_TYPE_TYPEDBYREF:
6263 case MONO_TYPE_FNPTR:
6265 g_warning ("return type 0x%02x unknown", sig->ret->type);
6266 g_assert_not_reached ();
6270 mono_mb_emit_stloc (mb, 3);
6274 * Need to call this after converting the result since MONO_VTADDR needs
6275 * to be adjacent to the call instruction.
6277 emit_thread_interrupt_checkpoint (mb);
6279 /* we need to convert byref arguments back and free string arrays */
6280 for (i = 0; i < sig->param_count; i++) {
6281 MonoType *t = sig->params [i];
6282 MonoMarshalSpec *spec = mspecs [i + 1];
6284 argnum = i + sig->hasthis;
6286 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
6287 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6292 case MONO_TYPE_STRING:
6293 case MONO_TYPE_VALUETYPE:
6294 case MONO_TYPE_CLASS:
6295 case MONO_TYPE_OBJECT:
6296 case MONO_TYPE_SZARRAY:
6297 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
6299 case MONO_TYPE_BOOLEAN:
6302 mono_mb_emit_ldarg (mb, argnum);
6303 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6304 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
6305 mono_mb_emit_byte (mb, CEE_NEG);
6306 mono_mb_emit_byte (mb, CEE_STIND_I1);
6310 if (!MONO_TYPE_IS_VOID(sig->ret))
6311 mono_mb_emit_ldloc (mb, 3);
6313 mono_mb_emit_byte (mb, CEE_RET);
6317 * mono_marshal_get_native_wrapper:
6318 * @method: The MonoMethod to wrap.
6320 * generates IL code for the pinvoke wrapper (the generated method
6321 * calls the unmanaged code in piinfo->addr)
6324 mono_marshal_get_native_wrapper (MonoMethod *method)
6326 MonoMethodSignature *sig, *csig;
6327 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
6328 MonoMethodBuilder *mb;
6329 MonoMarshalSpec **mspecs;
6332 gboolean pinvoke = FALSE;
6334 const char *exc_class = "MissingMethodException";
6335 const char *exc_arg = NULL;
6337 g_assert (method != NULL);
6338 g_assert (mono_method_signature (method)->pinvoke);
6340 cache = method->klass->image->native_wrapper_cache;
6341 if ((res = mono_marshal_find_in_cache (cache, method)))
6344 sig = mono_method_signature (method);
6346 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6347 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
6350 if (!piinfo->addr) {
6352 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
6354 piinfo->addr = mono_lookup_internal_call (method);
6357 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6359 mb->method->save_lmf = 1;
6361 if (!piinfo->addr) {
6362 mono_mb_emit_exception (mb, exc_class, exc_arg);
6363 csig = mono_metadata_signature_dup (sig);
6365 res = mono_mb_create_and_cache (cache, method,
6366 mb, csig, csig->param_count + 16);
6371 /* internal calls: we simply push all arguments and call the method (no conversions) */
6372 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
6374 /* hack - string constructors returns a value */
6375 if (method->string_ctor) {
6376 csig = mono_metadata_signature_dup (sig);
6377 csig->ret = &mono_defaults.string_class->byval_arg;
6382 mono_mb_emit_byte (mb, CEE_LDARG_0);
6384 for (i = 0; i < sig->param_count; i++)
6385 mono_mb_emit_ldarg (mb, i + sig->hasthis);
6387 g_assert (piinfo->addr);
6388 mono_mb_emit_native_call (mb, csig, piinfo->addr);
6389 emit_thread_interrupt_checkpoint (mb);
6390 mono_mb_emit_byte (mb, CEE_RET);
6392 csig = mono_metadata_signature_dup (csig);
6394 res = mono_mb_create_and_cache (cache, method,
6395 mb, csig, csig->param_count + 16);
6402 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
6403 mono_method_get_marshal_info (method, mspecs);
6405 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
6407 csig = mono_metadata_signature_dup (sig);
6409 res = mono_mb_create_and_cache (cache, method,
6410 mb, csig, csig->param_count + 16);
6413 for (i = sig->param_count; i >= 0; i--)
6415 mono_metadata_free_marshal_spec (mspecs [i]);
6418 /* 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)); */
6424 * mono_marshal_get_native_func_wrapper:
6425 * @sig: The signature of the function
6426 * @func: The native function to wrap
6428 * Returns a wrapper method around native functions, similar to the pinvoke
6432 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
6433 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6435 MonoMethodSignature *csig;
6437 MonoMethodBuilder *mb;
6442 cache = mono_defaults.corlib->native_wrapper_cache;
6443 if ((res = mono_marshal_find_in_cache (cache, func)))
6446 name = g_strdup_printf ("wrapper_native_%p", func);
6447 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6448 mb->method->save_lmf = 1;
6450 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
6452 csig = mono_metadata_signature_dup (sig);
6454 res = mono_mb_create_and_cache (cache, func,
6455 mb, csig, csig->param_count + 16);
6458 /* 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)); */
6464 * generates IL code to call managed methods from unmanaged code
6467 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, MonoObject *this)
6469 static MonoClass *UnmanagedFunctionPointerAttribute;
6470 MonoMethodSignature *sig, *csig, *invoke_sig;
6471 MonoMethodBuilder *mb;
6472 MonoMethod *res, *invoke;
6473 MonoMarshalSpec **mspecs;
6474 MonoMethodPInvoke piinfo;
6477 EmitMarshalContext m;
6479 g_assert (method != NULL);
6480 g_assert (!mono_method_signature (method)->pinvoke);
6483 * FIXME: Should cache the method+delegate type pair, since the same method
6484 * could be called with different delegates, thus different marshalling
6487 cache = method->klass->image->managed_wrapper_cache;
6488 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
6491 invoke = mono_class_get_method_from_name (delegate_klass, "Invoke", mono_method_signature (method)->param_count);
6492 invoke_sig = mono_method_signature (invoke);
6494 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
6495 mono_method_get_marshal_info (invoke, mspecs);
6497 sig = mono_method_signature (method);
6499 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
6501 /* allocate local 0 (pointer) src_ptr */
6502 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6503 /* allocate local 1 (pointer) dst_ptr */
6504 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6505 /* allocate local 2 (boolean) delete_old */
6506 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6508 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6509 /* allocate local 3 to store the return value */
6510 mono_mb_add_local (mb, sig->ret);
6513 mono_mb_emit_icon (mb, 0);
6514 mono_mb_emit_stloc (mb, 2);
6516 /* we copy the signature, so that we can modify it */
6517 csig = mono_metadata_signature_dup (sig);
6526 #ifdef PLATFORM_WIN32
6528 * Under windows, delegates passed to native code must use the STDCALL
6529 * calling convention.
6531 csig->call_convention = MONO_CALL_STDCALL;
6534 /* Change default calling convention if needed */
6535 /* Why is this a modopt ? */
6536 if (invoke_sig->ret && invoke_sig->ret->num_mods) {
6537 for (i = 0; i < invoke_sig->ret->num_mods; ++i) {
6538 MonoClass *cmod_class = mono_class_get (delegate_klass->image, invoke_sig->ret->modifiers [i].token);
6539 g_assert (cmod_class);
6540 if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
6541 if (!strcmp (cmod_class->name, "CallConvCdecl"))
6542 csig->call_convention = MONO_CALL_C;
6543 else if (!strcmp (cmod_class->name, "CallConvStdcall"))
6544 csig->call_convention = MONO_CALL_STDCALL;
6545 else if (!strcmp (cmod_class->name, "CallConvFastcall"))
6546 csig->call_convention = MONO_CALL_FASTCALL;
6547 else if (!strcmp (cmod_class->name, "CallConvThiscall"))
6548 csig->call_convention = MONO_CALL_THISCALL;
6553 /* Handle the UnmanagedFunctionPointerAttribute */
6554 if (!UnmanagedFunctionPointerAttribute)
6555 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
6557 /* The attribute is only available in Net 2.0 */
6558 if (UnmanagedFunctionPointerAttribute) {
6559 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
6560 MonoCustomAttrInfo *cinfo;
6563 * The pinvoke attributes are stored in a real custom attribute so we have to
6566 cinfo = mono_custom_attrs_from_class (delegate_klass);
6568 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
6570 memset (&piinfo, 0, sizeof (piinfo));
6572 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
6574 csig->call_convention = attr->call_conv - 1;
6577 mono_custom_attrs_free (cinfo);
6581 /* fixme: howto handle this ? */
6584 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6585 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6586 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
6589 g_assert_not_reached ();
6593 /* we first do all conversions */
6594 tmp_locals = alloca (sizeof (int) * sig->param_count);
6595 for (i = 0; i < sig->param_count; i ++) {
6596 MonoType *t = sig->params [i];
6599 case MONO_TYPE_OBJECT:
6600 case MONO_TYPE_CLASS:
6601 case MONO_TYPE_VALUETYPE:
6602 case MONO_TYPE_ARRAY:
6603 case MONO_TYPE_SZARRAY:
6604 case MONO_TYPE_STRING:
6605 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
6614 emit_thread_interrupt_checkpoint (mb);
6616 for (i = 0; i < sig->param_count; i++) {
6617 MonoType *t = sig->params [i];
6619 if (tmp_locals [i]) {
6621 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6623 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6626 mono_mb_emit_ldarg (mb, i);
6629 mono_mb_emit_managed_call (mb, method, NULL);
6631 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6632 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6635 if (!sig->ret->byref) {
6636 switch (sig->ret->type) {
6637 case MONO_TYPE_VOID:
6639 case MONO_TYPE_BOOLEAN:
6653 case MONO_TYPE_OBJECT:
6654 mono_mb_emit_stloc (mb, 3);
6656 case MONO_TYPE_STRING:
6657 csig->ret = &mono_defaults.int_class->byval_arg;
6658 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6660 case MONO_TYPE_VALUETYPE:
6661 case MONO_TYPE_CLASS:
6662 case MONO_TYPE_SZARRAY:
6663 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6666 g_warning ("return type 0x%02x unknown", sig->ret->type);
6667 g_assert_not_reached ();
6670 mono_mb_emit_stloc (mb, 3);
6673 /* Convert byref arguments back */
6674 for (i = 0; i < sig->param_count; i ++) {
6675 MonoType *t = sig->params [i];
6676 MonoMarshalSpec *spec = mspecs [i + 1];
6678 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6679 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6681 else if (t->byref) {
6683 case MONO_TYPE_CLASS:
6684 case MONO_TYPE_VALUETYPE:
6685 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6689 else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
6690 /* The [Out] information is encoded in the delegate signature */
6692 case MONO_TYPE_SZARRAY:
6693 emit_marshal (&m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6696 g_assert_not_reached ();
6702 mono_mb_emit_ldloc (mb, m.retobj_var);
6703 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6704 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
6705 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
6708 if (!MONO_TYPE_IS_VOID(sig->ret))
6709 mono_mb_emit_ldloc (mb, 3);
6710 mono_mb_emit_byte (mb, CEE_RET);
6714 res = mono_mb_create_and_cache (cache, method,
6715 mb, csig, sig->param_count + 16);
6717 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
6722 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
6724 mono_metadata_free_marshal_spec (mspecs [i]);
6727 /* 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)); */
6733 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
6735 static MonoReflectionType *
6736 type_from_handle (MonoType *handle)
6738 MonoDomain *domain = mono_domain_get ();
6739 MonoClass *klass = mono_class_from_mono_type (handle);
6741 MONO_ARCH_SAVE_REGS;
6743 mono_class_init (klass);
6744 return mono_type_get_object (domain, handle);
6748 * mono_marshal_get_isinst:
6749 * @klass: the type of the field
6751 * This method generates a function which can be used to check if an object is
6752 * an instance of the given type, icluding the case where the object is a proxy.
6753 * The generated function has the following signature:
6754 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
6757 mono_marshal_get_isinst (MonoClass *klass)
6759 static MonoMethodSignature *isint_sig = NULL;
6760 static GHashTable *isinst_hash = NULL;
6762 int pos_was_ok, pos_failed, pos_end, pos_end2;
6764 MonoMethodBuilder *mb;
6766 mono_marshal_lock ();
6768 isinst_hash = g_hash_table_new (NULL, NULL);
6770 res = g_hash_table_lookup (isinst_hash, klass);
6771 mono_marshal_unlock ();
6776 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6777 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6778 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6779 isint_sig->pinvoke = 0;
6782 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
6783 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
6786 mb->method->save_lmf = 1;
6788 /* check if the object is a proxy that needs special cast */
6789 mono_mb_emit_ldarg (mb, 0);
6790 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6791 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
6792 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6794 /* The result of MONO_ISINST can be:
6795 0) the type check succeeded
6796 1) the type check did not succeed
6797 2) a CanCastTo call is needed */
6799 mono_mb_emit_byte (mb, CEE_DUP);
6800 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6802 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
6803 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
6805 /* get the real proxy from the transparent proxy*/
6807 mono_mb_emit_ldarg (mb, 0);
6808 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6809 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6813 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6814 mono_mb_emit_byte (mb, CEE_LDNULL);
6815 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
6819 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6820 mono_mb_emit_byte (mb, CEE_POP);
6821 mono_mb_emit_ldarg (mb, 0);
6825 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6826 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
6827 mono_mb_emit_byte (mb, CEE_RET);
6829 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6836 * mono_marshal_get_castclass:
6837 * @klass: the type of the field
6839 * This method generates a function which can be used to cast an object to
6840 * an instance of the given type, icluding the case where the object is a proxy.
6841 * The generated function has the following signature:
6842 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6845 mono_marshal_get_castclass (MonoClass *klass)
6847 static MonoMethodSignature *castclass_sig = NULL;
6848 static GHashTable *castclass_hash = NULL;
6850 int pos_was_ok, pos_was_ok2;
6852 MonoMethodBuilder *mb;
6854 mono_marshal_lock ();
6855 if (!castclass_hash)
6856 castclass_hash = g_hash_table_new (NULL, NULL);
6858 res = g_hash_table_lookup (castclass_hash, klass);
6859 mono_marshal_unlock ();
6863 if (!castclass_sig) {
6864 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6865 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6866 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6867 castclass_sig->pinvoke = 0;
6870 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6871 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6874 mb->method->save_lmf = 1;
6876 /* check if the object is a proxy that needs special cast */
6877 mono_mb_emit_ldarg (mb, 0);
6878 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6879 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6880 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6882 /* The result of MONO_ISINST can be:
6883 0) the cast is valid
6884 1) cast of unknown proxy type
6885 or an exception if the cast is is invalid
6888 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6890 /* get the real proxy from the transparent proxy*/
6892 mono_mb_emit_ldarg (mb, 0);
6893 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6894 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6897 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6900 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6901 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6902 mono_mb_emit_ldarg (mb, 0);
6905 mono_mb_emit_byte (mb, CEE_RET);
6907 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6914 mono_marshal_get_proxy_cancast (MonoClass *klass)
6916 static MonoMethodSignature *from_handle_sig = NULL;
6917 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6918 static MonoMethodSignature *isint_sig = NULL;
6919 static GHashTable *proxy_isinst_hash = NULL;
6921 int pos_failed, pos_end;
6923 MonoMethod *can_cast_to;
6924 MonoMethodDesc *desc;
6925 MonoMethodBuilder *mb;
6927 mono_marshal_lock ();
6928 if (!proxy_isinst_hash)
6929 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6931 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6932 mono_marshal_unlock ();
6937 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6938 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6939 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6940 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6941 upgrade_proxy_sig->pinvoke = 1;
6943 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6944 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6945 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6947 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6948 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6949 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6950 isint_sig->pinvoke = 0;
6953 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6954 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6957 mb->method->save_lmf = 1;
6959 /* get the real proxy from the transparent proxy*/
6960 mono_mb_emit_ldarg (mb, 0);
6961 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6962 mono_mb_emit_byte (mb, CEE_LDIND_I);
6964 /* get the refletion type from the type handle */
6965 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6966 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6967 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6968 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6970 mono_mb_emit_ldarg (mb, 0);
6972 /* make the call to CanCastTo (type, ob) */
6973 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6974 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6975 g_assert (can_cast_to);
6976 mono_method_desc_free (desc);
6977 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6978 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6981 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6983 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6984 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6985 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6986 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6987 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6988 mono_mb_emit_ldarg (mb, 0);
6990 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6991 emit_thread_interrupt_checkpoint (mb);
6993 mono_mb_emit_ldarg (mb, 0);
6994 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6998 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6999 mono_mb_emit_byte (mb, CEE_LDNULL);
7003 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
7004 mono_mb_emit_byte (mb, CEE_RET);
7006 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
7013 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
7016 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
7017 klass = mono_class_from_mono_type (rtype->type);
7018 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
7022 * mono_marshal_get_struct_to_ptr:
7025 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
7028 mono_marshal_get_struct_to_ptr (MonoClass *klass)
7030 MonoMethodBuilder *mb;
7031 static MonoMethod *stoptr = NULL;
7034 g_assert (klass != NULL);
7036 mono_marshal_load_type_info (klass);
7038 if (klass->marshal_info->str_to_ptr)
7039 return klass->marshal_info->str_to_ptr;
7042 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
7045 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
7047 if (klass->blittable) {
7048 mono_mb_emit_byte (mb, CEE_LDARG_1);
7049 mono_mb_emit_byte (mb, CEE_LDARG_0);
7050 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7051 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7052 mono_mb_emit_byte (mb, CEE_PREFIX1);
7053 mono_mb_emit_byte (mb, CEE_CPBLK);
7056 /* allocate local 0 (pointer) src_ptr */
7057 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7058 /* allocate local 1 (pointer) dst_ptr */
7059 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7060 /* allocate local 2 (boolean) delete_old */
7061 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
7062 mono_mb_emit_byte (mb, CEE_LDARG_2);
7063 mono_mb_emit_stloc (mb, 2);
7065 /* initialize src_ptr to point to the start of object data */
7066 mono_mb_emit_byte (mb, CEE_LDARG_0);
7067 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7068 mono_mb_emit_stloc (mb, 0);
7070 /* initialize dst_ptr */
7071 mono_mb_emit_byte (mb, CEE_LDARG_1);
7072 mono_mb_emit_byte (mb, CEE_STLOC_1);
7074 emit_struct_conv (mb, klass, FALSE);
7077 mono_mb_emit_byte (mb, CEE_RET);
7079 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
7082 klass->marshal_info->str_to_ptr = res;
7087 * mono_marshal_get_ptr_to_struct:
7090 * generates IL code for PtrToStructure (IntPtr src, object structure)
7093 mono_marshal_get_ptr_to_struct (MonoClass *klass)
7095 MonoMethodBuilder *mb;
7096 static MonoMethodSignature *ptostr = NULL;
7099 g_assert (klass != NULL);
7101 mono_marshal_load_type_info (klass);
7103 if (klass->marshal_info->ptr_to_str)
7104 return klass->marshal_info->ptr_to_str;
7107 /* Create the signature corresponding to
7108 static void PtrToStructure (IntPtr ptr, object structure);
7109 defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
7110 ptostr = mono_create_icall_signature ("void ptr object");
7112 mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
7114 if (klass->blittable) {
7115 mono_mb_emit_byte (mb, CEE_LDARG_1);
7116 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7117 mono_mb_emit_byte (mb, CEE_LDARG_0);
7118 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
7119 mono_mb_emit_byte (mb, CEE_PREFIX1);
7120 mono_mb_emit_byte (mb, CEE_CPBLK);
7123 /* allocate local 0 (pointer) src_ptr */
7124 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7125 /* allocate local 1 (pointer) dst_ptr */
7126 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7128 /* initialize src_ptr to point to the start of object data */
7129 mono_mb_emit_byte (mb, CEE_LDARG_0);
7130 mono_mb_emit_stloc (mb, 0);
7132 /* initialize dst_ptr */
7133 mono_mb_emit_byte (mb, CEE_LDARG_1);
7134 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
7135 mono_mb_emit_byte (mb, CEE_STLOC_1);
7137 emit_struct_conv (mb, klass, TRUE);
7140 mono_mb_emit_byte (mb, CEE_RET);
7142 res = mono_mb_create_method (mb, ptostr, 0);
7145 klass->marshal_info->ptr_to_str = res;
7150 * generates IL code for the synchronized wrapper: the generated method
7151 * calls METHOD while locking 'this' or the parent type.
7154 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
7156 static MonoMethodSignature *from_handle_sig = NULL;
7157 static MonoMethod *enter_method, *exit_method;
7158 MonoMethodSignature *sig;
7159 MonoExceptionClause *clause;
7160 MonoMethodHeader *header;
7161 MonoMethodBuilder *mb;
7164 int i, pos, this_local, ret_local = 0;
7168 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
7171 cache = method->klass->image->synchronized_cache;
7172 if ((res = mono_marshal_find_in_cache (cache, method)))
7175 sig = signature_no_pinvoke (mono_method_signature (method));
7177 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
7180 if (!MONO_TYPE_IS_VOID (sig->ret))
7181 ret_local = mono_mb_add_local (mb, sig->ret);
7184 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
7186 clause = g_new0 (MonoExceptionClause, 1);
7187 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
7189 if (!enter_method) {
7190 MonoMethodDesc *desc;
7192 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
7193 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
7194 g_assert (enter_method);
7195 mono_method_desc_free (desc);
7196 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
7197 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
7198 g_assert (exit_method);
7199 mono_method_desc_free (desc);
7202 * GetTypeFromHandle isn't called as a managed method because it has
7203 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
7204 * transformed into something else by the JIT.
7206 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
7207 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
7208 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
7211 /* Push this or the type object */
7212 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
7213 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
7214 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
7215 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
7216 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
7219 mono_mb_emit_ldarg (mb, 0);
7220 mono_mb_emit_stloc (mb, this_local);
7222 /* Call Monitor::Enter() */
7223 mono_mb_emit_ldloc (mb, this_local);
7224 mono_mb_emit_managed_call (mb, enter_method, NULL);
7226 clause->try_offset = mb->pos;
7228 /* Call the method */
7230 mono_mb_emit_ldarg (mb, 0);
7231 for (i = 0; i < sig->param_count; i++)
7232 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
7234 /* this is needed to avoid recursion */
7235 mono_mb_emit_byte (mb, CEE_PREFIX1);
7236 mono_mb_emit_byte (mb, CEE_LDFTN);
7237 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
7238 mono_mb_emit_calli (mb, mono_method_signature (method));
7240 if (!MONO_TYPE_IS_VOID (sig->ret))
7241 mono_mb_emit_stloc (mb, ret_local);
7243 mono_mb_emit_byte (mb, CEE_LEAVE);
7245 mono_mb_emit_i4 (mb, 0);
7247 clause->try_len = mb->pos - clause->try_offset;
7248 clause->handler_offset = mb->pos;
7250 /* Call Monitor::Exit() */
7251 mono_mb_emit_ldloc (mb, this_local);
7252 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
7253 mono_mb_emit_managed_call (mb, exit_method, NULL);
7254 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
7256 clause->handler_len = mb->pos - clause->handler_offset;
7258 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
7259 if (!MONO_TYPE_IS_VOID (sig->ret))
7260 mono_mb_emit_ldloc (mb, ret_local);
7261 mono_mb_emit_byte (mb, CEE_RET);
7263 res = mono_mb_create_and_cache (cache, method,
7264 mb, sig, sig->param_count + 16);
7267 header = ((MonoMethodNormal *)res)->header;
7268 header->num_clauses = 1;
7269 header->clauses = clause;
7276 * the returned method calls 'method' unboxing the this argument
7279 mono_marshal_get_unbox_wrapper (MonoMethod *method)
7281 MonoMethodSignature *sig = mono_method_signature (method);
7283 MonoMethodBuilder *mb;
7287 cache = method->klass->image->unbox_wrapper_cache;
7288 if ((res = mono_marshal_find_in_cache (cache, method)))
7291 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
7293 g_assert (sig->hasthis);
7295 mono_mb_emit_ldarg (mb, 0);
7296 mono_mb_emit_icon (mb, sizeof (MonoObject));
7297 mono_mb_emit_byte (mb, CEE_ADD);
7298 for (i = 0; i < sig->param_count; ++i)
7299 mono_mb_emit_ldarg (mb, i + 1);
7300 mono_mb_emit_managed_call (mb, method, NULL);
7301 mono_mb_emit_byte (mb, CEE_RET);
7303 res = mono_mb_create_and_cache (cache, method,
7304 mb, sig, sig->param_count + 16);
7307 /* 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)); */
7313 mono_marshal_get_stelemref ()
7315 static MonoMethod* ret = NULL;
7316 MonoMethodSignature *sig;
7317 MonoMethodBuilder *mb;
7319 guint32 b1, b2, b3, b4;
7322 int array_slot_addr;
7327 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
7330 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
7332 /* void stelemref (void* array, int idx, void* value) */
7333 sig->ret = &mono_defaults.void_class->byval_arg;
7334 sig->params [0] = &mono_defaults.object_class->byval_arg;
7335 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
7336 sig->params [2] = &mono_defaults.object_class->byval_arg;
7338 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7339 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
7340 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
7344 <ldelema (bound check)>
7348 aklass = array->vtable->klass->element_class;
7349 vklass = value->vtable->klass;
7351 if (vklass->idepth < aklass->idepth)
7354 if (vklass->supertypes [aklass->idepth - 1] != aklass)
7358 *array_slot_addr = value;
7362 if (mono_object_isinst (value, aklass))
7365 throw new ArrayTypeMismatchException ();
7368 /* ldelema (implicit bound check) */
7369 mono_mb_emit_ldarg (mb, 0);
7370 mono_mb_emit_ldarg (mb, 1);
7371 mono_mb_emit_byte (mb, CEE_LDELEMA);
7372 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
7373 mono_mb_emit_stloc (mb, array_slot_addr);
7375 /* if (!value) goto do_store */
7376 mono_mb_emit_ldarg (mb, 2);
7377 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
7379 /* aklass = array->vtable->klass->element_class */
7380 mono_mb_emit_ldarg (mb, 0);
7381 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7382 mono_mb_emit_byte (mb, CEE_LDIND_I);
7383 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7384 mono_mb_emit_byte (mb, CEE_LDIND_I);
7385 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
7386 mono_mb_emit_byte (mb, CEE_LDIND_I);
7387 mono_mb_emit_stloc (mb, aklass);
7389 /* vklass = value->vtable->klass */
7390 mono_mb_emit_ldarg (mb, 2);
7391 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
7392 mono_mb_emit_byte (mb, CEE_LDIND_I);
7393 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
7394 mono_mb_emit_byte (mb, CEE_LDIND_I);
7395 mono_mb_emit_stloc (mb, vklass);
7397 /* if (vklass->idepth < aklass->idepth) goto failue */
7398 mono_mb_emit_ldloc (mb, vklass);
7399 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7400 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7402 mono_mb_emit_ldloc (mb, aklass);
7403 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7404 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7406 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
7408 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
7409 mono_mb_emit_ldloc (mb, vklass);
7410 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
7411 mono_mb_emit_byte (mb, CEE_LDIND_I);
7413 mono_mb_emit_ldloc (mb, aklass);
7414 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
7415 mono_mb_emit_byte (mb, CEE_LDIND_U2);
7416 mono_mb_emit_icon (mb, 1);
7417 mono_mb_emit_byte (mb, CEE_SUB);
7418 mono_mb_emit_icon (mb, sizeof (void*));
7419 mono_mb_emit_byte (mb, CEE_MUL);
7420 mono_mb_emit_byte (mb, CEE_ADD);
7421 mono_mb_emit_byte (mb, CEE_LDIND_I);
7423 mono_mb_emit_ldloc (mb, aklass);
7425 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
7429 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
7430 mono_mb_emit_ldloc (mb, array_slot_addr);
7431 mono_mb_emit_ldarg (mb, 2);
7432 mono_mb_emit_byte (mb, CEE_STIND_REF);
7434 mono_mb_emit_byte (mb, CEE_RET);
7437 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
7438 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
7440 mono_mb_emit_ldarg (mb, 2);
7441 mono_mb_emit_ldloc (mb, aklass);
7442 mono_mb_emit_icall (mb, mono_object_isinst);
7444 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
7445 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
7446 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
7448 mono_mb_emit_byte (mb, CEE_RET);
7449 ret = mono_mb_create_method (mb, sig, 4);
7455 mono_marshal_alloc (gulong size)
7459 #ifdef PLATFORM_WIN32
7460 res = CoTaskMemAlloc (size);
7462 res = g_try_malloc ((gulong)size);
7464 mono_gc_out_of_memory ((gulong)size);
7470 mono_marshal_free (gpointer ptr)
7472 #ifdef PLATFORM_WIN32
7473 CoTaskMemFree (ptr);
7480 mono_marshal_free_array (gpointer *ptr, int size)
7487 for (i = 0; i < size; i++)
7493 mono_marshal_realloc (gpointer ptr, gpointer size)
7495 MONO_ARCH_SAVE_REGS;
7497 return g_try_realloc (ptr, (gulong)size);
7501 mono_marshal_string_to_utf16 (MonoString *s)
7503 return s ? mono_string_chars (s) : NULL;
7507 * mono_marshal_set_last_error:
7509 * This function is invoked to set the last error value from a P/Invoke call
7510 * which has SetLastError set.
7513 mono_marshal_set_last_error (void)
7516 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
7518 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
7523 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
7524 gpointer dest, gint32 length)
7529 MONO_ARCH_SAVE_REGS;
7531 MONO_CHECK_ARG_NULL (src);
7532 MONO_CHECK_ARG_NULL (dest);
7534 g_assert (src->obj.vtable->klass->rank == 1);
7535 g_assert (start_index >= 0);
7536 g_assert (length >= 0);
7537 g_assert (start_index + length <= mono_array_length (src));
7539 element_size = mono_array_element_size (src->obj.vtable->klass);
7541 source_addr = mono_array_addr_with_size (src, element_size, start_index);
7543 memcpy (dest, source_addr, length * element_size);
7547 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
7548 MonoArray *dest, gint32 length)
7553 MONO_ARCH_SAVE_REGS;
7555 MONO_CHECK_ARG_NULL (src);
7556 MONO_CHECK_ARG_NULL (dest);
7558 g_assert (dest->obj.vtable->klass->rank == 1);
7559 g_assert (start_index >= 0);
7560 g_assert (length >= 0);
7561 g_assert (start_index + length <= mono_array_length (dest));
7563 element_size = mono_array_element_size (dest->obj.vtable->klass);
7565 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
7567 memcpy (dest_addr, src, length * element_size);
7570 #if NO_UNALIGNED_ACCESS
7571 #define RETURN_UNALIGNED(type, addr) \
7574 memcpy(&val, p + offset, sizeof(val)); \
7577 #define WRITE_UNALIGNED(type, addr, val) \
7578 memcpy(addr, &val, sizeof(type))
7580 #define RETURN_UNALIGNED(type, addr) \
7581 return *(type*)(p + offset);
7582 #define WRITE_UNALIGNED(type, addr, val) \
7583 (*(type *)(addr) = (val))
7587 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
7591 MONO_ARCH_SAVE_REGS;
7593 RETURN_UNALIGNED(gpointer, p + offset);
7597 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
7601 MONO_ARCH_SAVE_REGS;
7603 return *(unsigned char*)(p + offset);
7607 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
7611 MONO_ARCH_SAVE_REGS;
7613 RETURN_UNALIGNED(gint16, p + offset);
7617 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
7621 MONO_ARCH_SAVE_REGS;
7623 RETURN_UNALIGNED(gint32, p + offset);
7627 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
7631 MONO_ARCH_SAVE_REGS;
7633 RETURN_UNALIGNED(gint64, p + offset);
7637 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
7641 MONO_ARCH_SAVE_REGS;
7643 *(unsigned char*)(p + offset) = val;
7647 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
7651 MONO_ARCH_SAVE_REGS;
7653 WRITE_UNALIGNED(gpointer, p + offset, val);
7657 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
7661 MONO_ARCH_SAVE_REGS;
7663 WRITE_UNALIGNED(gint16, p + offset, val);
7667 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
7671 MONO_ARCH_SAVE_REGS;
7673 WRITE_UNALIGNED(gint32, p + offset, val);
7677 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
7681 MONO_ARCH_SAVE_REGS;
7683 WRITE_UNALIGNED(gint64, p + offset, val);
7687 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
7689 MONO_ARCH_SAVE_REGS;
7694 return mono_string_new (mono_domain_get (), ptr);
7698 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
7700 MONO_ARCH_SAVE_REGS;
7703 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7704 g_assert_not_reached ();
7707 return mono_string_new_len (mono_domain_get (), ptr, len);
7711 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
7713 MonoDomain *domain = mono_domain_get ();
7717 MONO_ARCH_SAVE_REGS;
7725 return mono_string_new_utf16 (domain, ptr, len);
7729 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
7731 MonoDomain *domain = mono_domain_get ();
7733 MONO_ARCH_SAVE_REGS;
7736 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7737 g_assert_not_reached ();
7740 return mono_string_new_utf16 (domain, ptr, len);
7744 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
7746 MONO_ARCH_SAVE_REGS;
7748 g_warning ("PtrToStringBSTR not implemented");
7749 g_assert_not_reached ();
7755 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
7757 MONO_ARCH_SAVE_REGS;
7759 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
7763 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
7769 MONO_ARCH_SAVE_REGS;
7771 MONO_CHECK_ARG_NULL (rtype);
7774 klass = mono_class_from_mono_type (type);
7775 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
7777 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7781 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
7782 exc = mono_get_exception_argument ("t", msg);
7784 mono_raise_exception (exc);
7788 return mono_class_native_size (klass, NULL);
7792 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
7797 MONO_ARCH_SAVE_REGS;
7799 MONO_CHECK_ARG_NULL (obj);
7800 MONO_CHECK_ARG_NULL (dst);
7802 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
7806 pa [2] = &delete_old;
7808 mono_runtime_invoke (method, NULL, pa, NULL);
7812 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
7817 MONO_ARCH_SAVE_REGS;
7819 MONO_CHECK_ARG_NULL (src);
7820 MONO_CHECK_ARG_NULL (dst);
7822 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
7827 mono_runtime_invoke (method, NULL, pa, NULL);
7831 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
7833 MonoDomain *domain = mono_domain_get ();
7836 MONO_ARCH_SAVE_REGS;
7838 MONO_CHECK_ARG_NULL (src);
7839 MONO_CHECK_ARG_NULL (type);
7841 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7843 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7849 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7851 MonoMarshalType *info;
7854 int match_index = -1;
7856 MONO_ARCH_SAVE_REGS;
7858 MONO_CHECK_ARG_NULL (type);
7859 MONO_CHECK_ARG_NULL (field_name);
7861 fname = mono_string_to_utf8 (field_name);
7862 klass = mono_class_from_mono_type (type->type);
7864 while (klass && match_index == -1) {
7865 MonoClassField* field;
7867 gpointer iter = NULL;
7868 while ((field = mono_class_get_fields (klass, &iter))) {
7869 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7871 if (!strcmp (fname, field->name)) {
7878 if (match_index == -1)
7879 klass = klass->parent;
7884 if(match_index == -1) {
7888 /* Get back original class instance */
7889 klass = mono_class_from_mono_type (type->type);
7891 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7892 exc = mono_get_exception_argument ("fieldName", tmp);
7895 mono_raise_exception ((MonoException*)exc);
7898 info = mono_marshal_load_type_info (klass);
7899 return info->fields [match_index].offset;
7903 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7905 MONO_ARCH_SAVE_REGS;
7907 return mono_string_to_utf8 (string);
7911 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7913 MONO_ARCH_SAVE_REGS;
7918 gunichar2 *res = g_malloc (mono_string_length (string) * 2);
7919 memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
7920 res [mono_string_length (string)] = 0;
7926 mono_struct_delete_old (MonoClass *klass, char *ptr)
7928 MonoMarshalType *info;
7931 info = mono_marshal_load_type_info (klass);
7933 for (i = 0; i < info->num_fields; i++) {
7934 MonoMarshalNative ntype;
7935 MonoMarshalConv conv;
7936 MonoType *ftype = info->fields [i].field->type;
7939 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7942 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7943 klass->unicode, &conv);
7945 cpos = ptr + info->fields [i].offset;
7948 case MONO_MARSHAL_CONV_NONE:
7949 if (MONO_TYPE_ISSTRUCT (ftype)) {
7950 mono_struct_delete_old (ftype->data.klass, cpos);
7954 case MONO_MARSHAL_CONV_STR_LPWSTR:
7955 /* We assume this field points inside a MonoString */
7957 case MONO_MARSHAL_CONV_STR_LPSTR:
7958 case MONO_MARSHAL_CONV_STR_LPTSTR:
7959 case MONO_MARSHAL_CONV_STR_BSTR:
7960 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7961 case MONO_MARSHAL_CONV_STR_TBSTR:
7962 mono_marshal_free (*(gpointer *)cpos);
7971 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7975 MONO_ARCH_SAVE_REGS;
7977 MONO_CHECK_ARG_NULL (src);
7978 MONO_CHECK_ARG_NULL (type);
7980 klass = mono_class_from_mono_type (type->type);
7982 mono_struct_delete_old (klass, (char *)src);
7986 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7988 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7992 MONO_ARCH_SAVE_REGS;
7994 if ((gulong)size == 0)
7995 /* This returns a valid pointer for size 0 on MS.NET */
7998 res = g_try_malloc ((gulong)size);
8000 mono_gc_out_of_memory ((gulong)size);
8006 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
8008 MONO_ARCH_SAVE_REGS;
8014 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
8016 MONO_ARCH_SAVE_REGS;
8018 #ifdef PLATFORM_WIN32
8019 return CoTaskMemAlloc (size);
8021 return g_try_malloc ((gulong)size);
8026 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
8028 MONO_ARCH_SAVE_REGS;
8030 #ifdef PLATFORM_WIN32
8031 CoTaskMemFree (ptr);
8038 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
8040 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
8044 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
8046 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
8050 mono_marshal_load_type_info (MonoClass* klass)
8053 guint32 native_size = 0, min_align = 1;
8054 MonoMarshalType *info;
8055 MonoClassField* field;
8059 g_assert (klass != NULL);
8061 if (klass->marshal_info)
8062 return klass->marshal_info;
8065 mono_class_init (klass);
8068 while ((field = mono_class_get_fields (klass, &iter))) {
8069 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8071 if (mono_field_is_deleted (field))
8076 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
8078 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
8079 info->num_fields = count;
8081 /* Try to find a size for this type in metadata */
8082 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
8084 if (klass->parent) {
8085 int parent_size = mono_class_native_size (klass->parent, NULL);
8087 /* Add parent size to real size */
8088 native_size += parent_size;
8089 info->native_size = parent_size;
8094 while ((field = mono_class_get_fields (klass, &iter))) {
8098 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
8101 if (mono_field_is_deleted (field))
8103 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
8104 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
8105 NULL, NULL, &info->fields [j].mspec);
8107 info->fields [j].field = field;
8109 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
8110 (strcmp (field->name, "$PRIVATE$") == 0)) {
8111 /* This field is a hack inserted by MCS to empty structures */
8116 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
8117 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
8118 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
8119 &align, TRUE, klass->unicode);
8120 align = klass->packing_size ? MIN (klass->packing_size, align): align;
8121 min_align = MAX (align, min_align);
8122 info->fields [j].offset = info->native_size;
8123 info->fields [j].offset += align - 1;
8124 info->fields [j].offset &= ~(align - 1);
8125 info->native_size = info->fields [j].offset + size;
8127 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
8128 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
8129 &align, TRUE, klass->unicode);
8130 align = klass->packing_size ? MIN (klass->packing_size, align): align;
8131 min_align = MAX (align, min_align);
8132 info->fields [j].offset = field->offset - sizeof (MonoObject);
8133 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
8139 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
8140 info->native_size = MAX (native_size, info->native_size);
8143 if (info->native_size & (min_align - 1)) {
8144 info->native_size += min_align - 1;
8145 info->native_size &= ~(min_align - 1);
8148 /* Update the class's blittable info, if the layouts don't match */
8149 if (info->native_size != mono_class_value_size (klass, NULL))
8150 klass->blittable = FALSE;
8152 /* If this is an array type, ensure that we have element info */
8153 if (klass->element_class) {
8154 mono_marshal_load_type_info (klass->element_class);
8157 return klass->marshal_info;
8161 * mono_class_native_size:
8164 * Returns: the native size of an object instance (when marshaled
8165 * to unmanaged code)
8168 mono_class_native_size (MonoClass *klass, guint32 *align)
8170 if (!klass->marshal_info)
8171 mono_marshal_load_type_info (klass);
8174 *align = klass->min_align;
8176 return klass->marshal_info->native_size;
8180 * mono_type_native_stack_size:
8181 * @t: the type to return the size it uses on the stack
8183 * Returns: the number of bytes required to hold an instance of this
8184 * type on the native stack
8187 mono_type_native_stack_size (MonoType *t, guint32 *align)
8191 g_assert (t != NULL);
8202 case MONO_TYPE_BOOLEAN:
8203 case MONO_TYPE_CHAR:
8212 case MONO_TYPE_STRING:
8213 case MONO_TYPE_OBJECT:
8214 case MONO_TYPE_CLASS:
8215 case MONO_TYPE_SZARRAY:
8217 case MONO_TYPE_FNPTR:
8218 case MONO_TYPE_ARRAY:
8219 case MONO_TYPE_TYPEDBYREF:
8230 case MONO_TYPE_VALUETYPE: {
8233 if (t->data.klass->enumtype)
8234 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
8236 size = mono_class_native_size (t->data.klass, align);
8237 *align = *align + 3;
8247 g_error ("type 0x%02x unknown", t->type);
8252 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
8253 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
8254 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
8255 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
8258 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
8259 gboolean as_field, gboolean unicode)
8261 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
8264 switch (native_type) {
8265 case MONO_NATIVE_BOOLEAN:
8268 case MONO_NATIVE_I1:
8269 case MONO_NATIVE_U1:
8272 case MONO_NATIVE_I2:
8273 case MONO_NATIVE_U2:
8274 case MONO_NATIVE_VARIANTBOOL:
8277 case MONO_NATIVE_I4:
8278 case MONO_NATIVE_U4:
8279 case MONO_NATIVE_ERROR:
8282 case MONO_NATIVE_I8:
8283 case MONO_NATIVE_U8:
8284 *align = ALIGNMENT(guint64);
8286 case MONO_NATIVE_R4:
8289 case MONO_NATIVE_R8:
8290 *align = ALIGNMENT(double);
8292 case MONO_NATIVE_INT:
8293 case MONO_NATIVE_UINT:
8294 case MONO_NATIVE_LPSTR:
8295 case MONO_NATIVE_LPWSTR:
8296 case MONO_NATIVE_LPTSTR:
8297 case MONO_NATIVE_BSTR:
8298 case MONO_NATIVE_ANSIBSTR:
8299 case MONO_NATIVE_TBSTR:
8300 case MONO_NATIVE_LPARRAY:
8301 case MONO_NATIVE_SAFEARRAY:
8302 case MONO_NATIVE_IUNKNOWN:
8303 case MONO_NATIVE_IDISPATCH:
8304 case MONO_NATIVE_INTERFACE:
8305 case MONO_NATIVE_ASANY:
8306 case MONO_NATIVE_FUNC:
8307 case MONO_NATIVE_LPSTRUCT:
8308 *align = ALIGNMENT(gpointer);
8309 return sizeof (gpointer);
8310 case MONO_NATIVE_STRUCT:
8311 klass = mono_class_from_mono_type (type);
8312 return mono_class_native_size (klass, align);
8313 case MONO_NATIVE_BYVALTSTR: {
8314 int esize = unicode ? 2: 1;
8317 return mspec->data.array_data.num_elem * esize;
8319 case MONO_NATIVE_BYVALARRAY: {
8321 klass = mono_class_from_mono_type (type);
8322 esize = mono_class_native_size (klass->element_class, align);
8324 return mspec->data.array_data.num_elem * esize;
8326 case MONO_NATIVE_CUSTOM:
8327 g_assert_not_reached ();
8329 case MONO_NATIVE_CURRENCY:
8330 case MONO_NATIVE_VBBYREFSTR:
8332 g_error ("native type %02x not implemented", native_type);
8335 g_assert_not_reached ();
8340 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
8348 t = &o->vtable->klass->byval_arg;
8355 case MONO_TYPE_BOOLEAN:
8358 case MONO_TYPE_CHAR:
8363 return mono_object_unbox (o);
8365 case MONO_TYPE_STRING:
8366 switch (string_encoding) {
8367 case MONO_NATIVE_LPWSTR:
8368 return mono_string_to_utf16 ((MonoString*)o);
8370 case MONO_NATIVE_LPSTR:
8371 return mono_string_to_lpstr ((MonoString*)o);
8374 g_warning ("marshaling conversion %d not implemented", string_encoding);
8375 g_assert_not_reached ();
8378 case MONO_TYPE_CLASS:
8379 case MONO_TYPE_VALUETYPE: {
8383 MonoBoolean delete_old = FALSE;
8385 klass = t->data.klass;
8387 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
8390 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8391 klass->blittable || klass->enumtype)
8392 return mono_object_unbox (o);
8394 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
8396 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
8400 pa [2] = &delete_old;
8402 mono_runtime_invoke (method, NULL, pa, NULL);
8408 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
8414 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
8422 t = &o->vtable->klass->byval_arg;
8424 case MONO_TYPE_STRING:
8425 switch (string_encoding) {
8426 case MONO_NATIVE_LPWSTR:
8427 case MONO_NATIVE_LPSTR:
8428 mono_marshal_free (ptr);
8431 g_warning ("marshaling conversion %d not implemented", string_encoding);
8432 g_assert_not_reached ();
8435 case MONO_TYPE_CLASS:
8436 case MONO_TYPE_VALUETYPE: {
8437 klass = t->data.klass;
8439 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
8440 klass->blittable || klass->enumtype)
8443 mono_struct_delete_old (klass, ptr);
8445 mono_marshal_free (ptr);