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 static CRITICAL_SECTION marshal_mutex;
91 /* Maps wrapper methods to the methods they wrap */
92 static GHashTable *wrapper_hash;
94 static guint32 last_error_tls_id;
96 static void mono_struct_delete_old (MonoClass *klass, char *ptr);
97 void * mono_marshal_string_to_utf16 (MonoString *s);
99 static gpointer mono_string_to_lpstr (MonoString *string_obj);
102 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
104 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
106 mono_register_jit_icall (func, name, sig, save);
109 static MonoMethodSignature*
110 signature_no_pinvoke (MonoMethodSignature* sig)
113 sig = mono_metadata_signature_dup (sig);
114 sig->pinvoke = FALSE;
121 mono_marshal_init (void)
123 static gboolean module_initialized = FALSE;
125 if (!module_initialized) {
126 module_initialized = TRUE;
127 InitializeCriticalSection (&marshal_mutex);
128 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
129 last_error_tls_id = TlsAlloc ();
131 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
132 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
133 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
134 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
135 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
136 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
137 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
138 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
139 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
140 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
141 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
142 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
143 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
144 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
145 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
146 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
147 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
148 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
149 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
150 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
151 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
152 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
153 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
154 register_icall (g_free, "g_free", "void ptr", FALSE);
155 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
156 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
161 MonoClass *byte_array_class;
162 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
163 static MonoMethod *method_set_context, *method_get_context;
164 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
167 mono_remoting_marshal_init (void)
171 static gboolean module_initialized = FALSE;
173 if (!module_initialized) {
174 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
175 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
176 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
177 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
179 klass = mono_defaults.real_proxy_class;
180 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
182 klass = mono_defaults.exception_class;
183 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
185 klass = mono_defaults.thread_class;
186 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
188 klass = mono_defaults.appdomain_class;
189 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
190 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
192 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
193 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
195 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
196 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
201 mono_delegate_to_ftnptr (MonoDelegate *delegate)
203 MonoMethod *method, *wrapper, *invoke;
204 MonoMarshalSpec **mspecs;
211 if (delegate->delegate_trampoline)
212 return delegate->delegate_trampoline;
214 klass = ((MonoObject *)delegate)->vtable->klass;
215 g_assert (klass->delegate);
217 method = delegate->method_info->method;
218 invoke = mono_class_get_method_from_name (klass, "Invoke", mono_method_signature (method)->param_count);
220 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
221 mono_method_get_marshal_info (invoke, mspecs);
223 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
225 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
227 mono_metadata_free_marshal_spec (mspecs [i]);
230 delegate->delegate_trampoline = mono_compile_method (wrapper);
232 // Add the delegate to the delegate hash table
233 delegate_hash_table_add (delegate);
235 /* when the object is collected, collect the dunamic method, too */
236 mono_object_register_finalizer ((MonoObject*)delegate);
238 return delegate->delegate_trampoline;
241 static GHashTable *delegate_hash_table;
244 delegate_hash_table_new (void) {
245 return g_hash_table_new (NULL, NULL);
249 delegate_hash_table_remove (MonoDelegate *d)
251 EnterCriticalSection (&marshal_mutex);
252 if (delegate_hash_table == NULL)
253 delegate_hash_table = delegate_hash_table_new ();
254 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
255 LeaveCriticalSection (&marshal_mutex);
259 delegate_hash_table_add (MonoDelegate *d)
261 EnterCriticalSection (&marshal_mutex);
262 if (delegate_hash_table == NULL)
263 delegate_hash_table = delegate_hash_table_new ();
264 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
265 LeaveCriticalSection (&marshal_mutex);
269 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
273 EnterCriticalSection (&marshal_mutex);
274 if (delegate_hash_table == NULL)
275 delegate_hash_table = delegate_hash_table_new ();
277 d = g_hash_table_lookup (delegate_hash_table, ftn);
278 LeaveCriticalSection (&marshal_mutex);
280 /* This is a native function, so construct a delegate for it */
281 static MonoClass *UnmanagedFunctionPointerAttribute;
282 MonoMethodSignature *sig;
284 MonoMarshalSpec **mspecs;
285 MonoCustomAttrInfo *cinfo;
286 MonoReflectionUnmanagedFunctionPointerAttribute *attr;
287 MonoMethod *invoke = mono_get_delegate_invoke (klass);
288 MonoMethodPInvoke piinfo;
291 memset (&piinfo, 0, sizeof (piinfo));
292 if (!UnmanagedFunctionPointerAttribute)
293 UnmanagedFunctionPointerAttribute = mono_class_from_name (mono_defaults.corlib, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
295 /* The attribute is only available in Net 2.0 */
296 if (UnmanagedFunctionPointerAttribute) {
298 * The pinvoke attributes are stored in a real custom attribute so we have to
301 cinfo = mono_custom_attrs_from_class (klass);
302 attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr (cinfo, UnmanagedFunctionPointerAttribute);
304 piinfo.piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
307 mono_custom_attrs_free (cinfo);
310 mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
311 mono_method_get_marshal_info (invoke, mspecs);
312 sig = mono_metadata_signature_dup (mono_method_signature (invoke));
315 wrapper = mono_marshal_get_native_func_wrapper (sig, &piinfo, mspecs, ftn);
317 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
319 mono_metadata_free_marshal_spec (mspecs [i]);
323 d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
324 mono_delegate_ctor ((MonoObject*)d, NULL, mono_compile_method (wrapper));
331 mono_delegate_free_ftnptr (MonoDelegate *delegate)
336 delegate_hash_table_remove (delegate);
338 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
340 if (!delegate->target) {
341 /* The wrapper method is shared between delegates -> no need to free it */
346 ji = mono_jit_info_table_find (mono_domain_get (), ptr);
349 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
354 mono_array_to_savearray (MonoArray *array)
359 g_assert_not_reached ();
364 mono_array_to_lparray (MonoArray *array)
369 /* fixme: maybe we need to make a copy */
370 return array->vector;
374 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
376 GError *error = NULL;
386 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
388 if (items_written > mono_stringbuilder_capacity (sb))
389 items_written = mono_stringbuilder_capacity (sb);
392 if (! sb->str || sb->str == sb->cached_str) {
393 sb->str = mono_string_new_size (mono_domain_get (), items_written);
394 sb->cached_str = NULL;
397 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
398 sb->length = items_written;
400 g_error_free (error);
406 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
413 g_assert (mono_string_chars (sb->str) == text);
415 for (len = 0; text [len] != 0; ++len)
422 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
424 GError *error = NULL;
431 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
433 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
435 g_error_free (error);
436 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
439 memcpy (res, tmp, sb->length + 1);
447 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
453 * The sb could have been allocated with the default capacity and be empty.
454 * we need to alloc a buffer of the default capacity in this case.
457 sb->str = mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb));
459 * The stringbuilder might not have ownership of this string. If this is
460 * the case, we must duplicate the string, so that we don't munge immutable
463 else if (sb->str == sb->cached_str) {
464 sb->str = mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb));
465 sb->cached_str = NULL;
468 return mono_string_chars (sb->str);
472 mono_string_to_lpstr (MonoString *s)
474 #ifdef PLATFORM_WIN32
477 GError *error = NULL;
483 as = CoTaskMemAlloc (1);
488 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
490 g_warning (error->message);
491 g_error_free (error);
495 as = CoTaskMemAlloc (len + 1);
496 memcpy (as, tmp, len + 1);
500 return mono_string_to_utf8 (s);
505 mono_string_to_ansibstr (MonoString *string_obj)
507 g_error ("UnmanagedMarshal.BStr is not implemented.");
512 mono_string_to_bstr (MonoString *string_obj)
514 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
519 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
524 g_assert (dst != NULL);
527 memset (dst, 0, size);
532 s = mono_string_to_utf8 (src);
533 len = MIN (size, strlen (s));
534 memcpy (dst, s, len);
537 *((char *)dst + size - 1) = 0;
541 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
545 g_assert (dst != NULL);
549 memset (dst, 0, size);
553 len = MIN (size, (mono_string_length (src) * 2));
554 memcpy (dst, mono_string_chars (src), len);
556 *((char *)dst + size - 1) = 0;
557 *((char *)dst + size - 2) = 0;
561 mono_mb_free (MonoMethodBuilder *mb)
563 g_list_free (mb->locals_list);
568 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
570 MonoMethodBuilder *mb;
573 g_assert (klass != NULL);
574 g_assert (name != NULL);
576 mb = g_new0 (MonoMethodBuilder, 1);
578 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
581 m->name = g_strdup (name);
583 m->wrapper_type = type;
586 mb->code = g_malloc (mb->code_size);
592 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
594 int res = mb->locals;
596 g_assert (mb != NULL);
597 g_assert (type != NULL);
599 mb->locals_list = g_list_append (mb->locals_list, type);
606 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
608 MonoMethodHeader *header;
609 MonoMethodWrapper *mw;
613 g_assert (mb != NULL);
615 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
616 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
621 header->max_stack = max_stack;
623 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
624 header->locals [i] = (MonoType *)l->data;
627 mb->method->signature = signature;
628 header->code = mb->code;
629 header->code_size = mb->pos;
630 header->num_locals = mb->locals;
632 mw = (MonoMethodWrapper*) mb->method;
633 i = g_list_length (mw->method_data);
637 l = g_list_reverse (mw->method_data);
638 data = mw->method_data = g_new (gpointer, i + 1);
639 /* store the size in the first element */
640 data [0] = GUINT_TO_POINTER (i);
642 for (tmp = l; tmp; tmp = tmp->next) {
643 data [i++] = tmp->data;
648 static int total_code = 0;
649 static int total_alloc = 0;
650 total_code += mb->pos;
651 total_alloc += mb->code_size;
652 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
655 #ifdef DEBUG_RUNTIME_CODE
656 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
657 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
664 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
666 MonoMethodWrapper *mw;
668 g_assert (mb != NULL);
670 mw = (MonoMethodWrapper *)mb->method;
672 /* one O(n) is enough */
673 mw->method_data = g_list_prepend (mw->method_data, data);
675 return g_list_length (mw->method_data);
679 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
681 mb->code [pos] = value & 0xff;
682 mb->code [pos + 1] = (value >> 8) & 0xff;
683 mb->code [pos + 2] = (value >> 16) & 0xff;
684 mb->code [pos + 3] = (value >> 24) & 0xff;
688 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
690 *((gint8 *)(&mb->code [pos])) = value;
694 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
696 if (mb->pos >= mb->code_size) {
697 mb->code_size += mb->code_size >> 1;
698 mb->code = g_realloc (mb->code, mb->code_size);
701 mb->code [mb->pos++] = op;
705 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
707 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
708 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
711 mono_mb_emit_icon (mb, offset);
712 mono_mb_emit_byte (mb, CEE_ADD);
717 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
720 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
721 mono_mb_emit_byte (mb, CEE_LDIND_I);
722 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
723 mono_mb_emit_byte (mb, CEE_ADD);
724 mono_mb_emit_byte (mb, CEE_LDIND_I);
725 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
726 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
727 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
728 mono_mb_emit_byte (mb, branch_code);
730 mono_mb_emit_i4 (mb, 0);
735 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
738 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
739 mono_mb_emit_byte (mb, CEE_LDIND_REF);
740 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
741 mono_mb_emit_byte (mb, CEE_LDIND_I4);
742 mono_mb_emit_icon (mb, -1);
743 mono_mb_emit_byte (mb, branch_code);
745 mono_mb_emit_i4 (mb, 0);
750 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
752 if ((mb->pos + 4) >= mb->code_size) {
753 mb->code_size += mb->code_size >> 1;
754 mb->code = g_realloc (mb->code, mb->code_size);
757 mono_mb_patch_addr (mb, mb->pos, data);
762 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
764 if ((mb->pos + 2) >= mb->code_size) {
765 mb->code_size += mb->code_size >> 1;
766 mb->code = g_realloc (mb->code, mb->code_size);
769 mb->code [mb->pos] = data & 0xff;
770 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
775 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
777 mono_mb_emit_byte (mb, CEE_LDSTR);
778 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
783 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
786 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
787 } else if (argnum < 256) {
788 mono_mb_emit_byte (mb, CEE_LDARG_S);
789 mono_mb_emit_byte (mb, argnum);
791 mono_mb_emit_byte (mb, CEE_PREFIX1);
792 mono_mb_emit_byte (mb, CEE_LDARG);
793 mono_mb_emit_i2 (mb, argnum);
798 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
801 mono_mb_emit_byte (mb, CEE_LDARGA_S);
802 mono_mb_emit_byte (mb, argnum);
804 mono_mb_emit_byte (mb, CEE_PREFIX1);
805 mono_mb_emit_byte (mb, CEE_LDARGA);
806 mono_mb_emit_i2 (mb, argnum);
811 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
814 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
815 mono_mb_emit_byte (mb, locnum);
817 mono_mb_emit_byte (mb, CEE_PREFIX1);
818 mono_mb_emit_byte (mb, CEE_LDLOCA);
819 mono_mb_emit_i2 (mb, locnum);
824 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
827 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
828 } else if (num < 256) {
829 mono_mb_emit_byte (mb, CEE_LDLOC_S);
830 mono_mb_emit_byte (mb, num);
832 mono_mb_emit_byte (mb, CEE_PREFIX1);
833 mono_mb_emit_byte (mb, CEE_LDLOC);
834 mono_mb_emit_i2 (mb, num);
839 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
842 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
843 } else if (num < 256) {
844 mono_mb_emit_byte (mb, CEE_STLOC_S);
845 mono_mb_emit_byte (mb, num);
847 mono_mb_emit_byte (mb, CEE_PREFIX1);
848 mono_mb_emit_byte (mb, CEE_STLOC);
849 mono_mb_emit_i2 (mb, num);
854 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
856 if (value >= -1 && value < 8) {
857 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
858 } else if (value >= -128 && value <= 127) {
859 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
860 mono_mb_emit_byte (mb, value);
862 mono_mb_emit_byte (mb, CEE_LDC_I4);
863 mono_mb_emit_i4 (mb, value);
868 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
871 mono_mb_emit_byte (mb, op);
873 mono_mb_emit_i4 (mb, 0);
878 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
880 mono_mb_emit_byte (mb, CEE_CALLI);
881 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
885 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
887 mono_mb_emit_byte (mb, CEE_CALL);
888 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
892 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
894 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
895 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
896 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
897 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
898 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
899 mono_mb_emit_calli (mb, sig);
900 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
901 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
905 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
907 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
908 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
909 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
913 mono_mb_emit_exception_full (MonoMethodBuilder *mb, const char *exc_nspace, const char *exc_name, const char *msg)
915 MonoMethod *ctor = NULL;
917 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, exc_nspace, exc_name);
918 mono_class_init (mme);
919 ctor = mono_class_get_method_from_name (mme, ".ctor", 0);
921 mono_mb_emit_byte (mb, CEE_NEWOBJ);
922 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
924 mono_mb_emit_byte (mb, CEE_DUP);
925 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
926 mono_mb_emit_ldstr (mb, (char*)msg);
927 mono_mb_emit_byte (mb, CEE_STIND_I);
929 mono_mb_emit_byte (mb, CEE_THROW);
933 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
935 mono_mb_emit_exception_full (mb, "System", exc_name, msg);
939 mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, const char *msg)
941 mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
945 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
947 mono_mb_emit_ldloc (mb, local);
948 mono_mb_emit_icon (mb, incr);
949 mono_mb_emit_byte (mb, CEE_ADD);
950 mono_mb_emit_stloc (mb, local);
954 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
955 int usize, int msize, MonoMarshalSpec *mspec)
958 case MONO_MARSHAL_CONV_BOOL_I4:
959 mono_mb_emit_byte (mb, CEE_LDLOC_1);
960 mono_mb_emit_byte (mb, CEE_LDLOC_0);
961 mono_mb_emit_byte (mb, CEE_LDIND_I4);
962 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
963 mono_mb_emit_byte (mb, 3);
964 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
965 mono_mb_emit_byte (mb, CEE_BR_S);
966 mono_mb_emit_byte (mb, 1);
967 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
968 mono_mb_emit_byte (mb, CEE_STIND_I1);
970 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
971 mono_mb_emit_byte (mb, CEE_LDLOC_1);
972 mono_mb_emit_byte (mb, CEE_LDLOC_0);
973 mono_mb_emit_byte (mb, CEE_LDIND_I2);
974 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
975 mono_mb_emit_byte (mb, 3);
976 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
977 mono_mb_emit_byte (mb, CEE_BR_S);
978 mono_mb_emit_byte (mb, 1);
979 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
980 mono_mb_emit_byte (mb, CEE_STIND_I1);
982 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
983 MonoClass *eclass = NULL;
986 if (type->type == MONO_TYPE_SZARRAY) {
987 eclass = type->data.klass;
989 g_assert_not_reached ();
992 if (eclass->valuetype)
993 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
995 esize = sizeof (gpointer);
997 /* create a new array */
998 mono_mb_emit_byte (mb, CEE_LDLOC_1);
999 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
1000 mono_mb_emit_byte (mb, CEE_NEWARR);
1001 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
1002 mono_mb_emit_byte (mb, CEE_STIND_I);
1004 /* copy the elements */
1005 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1006 mono_mb_emit_byte (mb, CEE_LDIND_I);
1007 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1008 mono_mb_emit_byte (mb, CEE_ADD);
1009 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1010 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1011 mono_mb_emit_byte (mb, CEE_PREFIX1);
1012 mono_mb_emit_byte (mb, CEE_CPBLK);
1016 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1017 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1018 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1019 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1020 mono_mb_emit_byte (mb, CEE_STIND_I);
1022 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1023 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1024 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1025 mono_mb_emit_icall (mb, mono_string_from_utf16);
1026 mono_mb_emit_byte (mb, CEE_STIND_I);
1028 case MONO_MARSHAL_CONV_STR_LPTSTR:
1029 case MONO_MARSHAL_CONV_STR_LPSTR:
1030 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1031 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1032 mono_mb_emit_byte (mb, CEE_LDIND_I);
1033 mono_mb_emit_icall (mb, mono_string_new_wrapper);
1034 mono_mb_emit_byte (mb, CEE_STIND_I);
1036 case MONO_MARSHAL_CONV_STR_LPWSTR:
1037 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1038 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1039 mono_mb_emit_byte (mb, CEE_LDIND_I);
1040 mono_mb_emit_icall (mb, mono_string_from_utf16);
1041 mono_mb_emit_byte (mb, CEE_STIND_I);
1043 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1044 MonoClass *klass = mono_class_from_mono_type (type);
1045 int src_var, dst_var;
1047 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1048 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1050 /* *dst = new object */
1051 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1052 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1053 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1054 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1055 mono_mb_emit_byte (mb, CEE_STIND_I);
1057 /* save the old src pointer */
1058 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1059 mono_mb_emit_stloc (mb, src_var);
1060 /* save the old dst pointer */
1061 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1062 mono_mb_emit_stloc (mb, dst_var);
1064 /* dst = pointer to newly created object data */
1065 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1066 mono_mb_emit_byte (mb, CEE_LDIND_I);
1067 mono_mb_emit_icon (mb, sizeof (MonoObject));
1068 mono_mb_emit_byte (mb, CEE_ADD);
1069 mono_mb_emit_byte (mb, CEE_STLOC_1);
1071 emit_struct_conv (mb, klass, TRUE);
1073 /* restore the old src pointer */
1074 mono_mb_emit_ldloc (mb, src_var);
1075 mono_mb_emit_byte (mb, CEE_STLOC_0);
1076 /* restore the old dst pointer */
1077 mono_mb_emit_ldloc (mb, dst_var);
1078 mono_mb_emit_byte (mb, CEE_STLOC_1);
1081 case MONO_MARSHAL_CONV_DEL_FTN: {
1082 /* fixme: we never convert functions back to delegates, dont
1083 // know if thats the correct behaviour
1087 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1088 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1090 case MONO_MARSHAL_CONV_STR_BSTR:
1091 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1092 case MONO_MARSHAL_CONV_STR_TBSTR:
1093 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1095 g_warning ("marshaling conversion %d not implemented", conv);
1096 g_assert_not_reached ();
1101 conv_to_icall (MonoMarshalConv conv)
1104 case MONO_MARSHAL_CONV_STR_LPWSTR:
1105 return mono_marshal_string_to_utf16;
1106 case MONO_MARSHAL_CONV_LPWSTR_STR:
1107 return mono_string_from_utf16;
1108 case MONO_MARSHAL_CONV_LPSTR_STR:
1109 return mono_string_new_wrapper;
1110 case MONO_MARSHAL_CONV_STR_LPTSTR:
1111 case MONO_MARSHAL_CONV_STR_LPSTR:
1112 return mono_string_to_lpstr;
1113 case MONO_MARSHAL_CONV_STR_BSTR:
1114 return mono_string_to_bstr;
1115 case MONO_MARSHAL_CONV_STR_TBSTR:
1116 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1117 return mono_string_to_ansibstr;
1118 case MONO_MARSHAL_CONV_SB_LPSTR:
1119 case MONO_MARSHAL_CONV_SB_LPTSTR:
1120 return mono_string_builder_to_utf8;
1121 case MONO_MARSHAL_CONV_SB_LPWSTR:
1122 return mono_string_builder_to_utf16;
1123 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1124 return mono_array_to_savearray;
1125 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1126 return mono_array_to_lparray;
1127 case MONO_MARSHAL_CONV_DEL_FTN:
1128 return mono_delegate_to_ftnptr;
1129 case MONO_MARSHAL_CONV_FTN_DEL:
1130 return mono_ftnptr_to_delegate;
1131 case MONO_MARSHAL_CONV_LPSTR_SB:
1132 case MONO_MARSHAL_CONV_LPTSTR_SB:
1133 return mono_string_utf8_to_builder;
1134 case MONO_MARSHAL_CONV_LPWSTR_SB:
1135 return mono_string_utf16_to_builder;
1136 case MONO_MARSHAL_FREE_ARRAY:
1137 return mono_marshal_free_array;
1138 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1139 return mono_string_to_byvalstr;
1140 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1141 return mono_string_to_byvalwstr;
1143 g_assert_not_reached ();
1150 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1151 MonoMarshalSpec *mspec)
1156 case MONO_MARSHAL_CONV_BOOL_I4:
1157 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1158 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1159 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1160 mono_mb_emit_byte (mb, CEE_STIND_I4);
1162 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1163 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1164 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1165 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1166 mono_mb_emit_byte (mb, CEE_NEG);
1167 mono_mb_emit_byte (mb, CEE_STIND_I2);
1169 case MONO_MARSHAL_CONV_STR_LPWSTR:
1170 case MONO_MARSHAL_CONV_STR_LPSTR:
1171 case MONO_MARSHAL_CONV_STR_LPTSTR:
1172 case MONO_MARSHAL_CONV_STR_BSTR:
1173 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1174 case MONO_MARSHAL_CONV_STR_TBSTR: {
1177 /* free space if free == true */
1178 mono_mb_emit_byte (mb, CEE_LDLOC_2);
1179 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1181 mono_mb_emit_byte (mb, 0);
1182 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1183 mono_mb_emit_byte (mb, CEE_LDIND_I);
1184 mono_mb_emit_icall (mb, g_free);
1185 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1187 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1188 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1189 mono_mb_emit_byte (mb, CEE_LDIND_I);
1190 mono_mb_emit_icall (mb, conv_to_icall (conv));
1191 mono_mb_emit_byte (mb, CEE_STIND_I);
1194 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1195 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1196 case MONO_MARSHAL_CONV_DEL_FTN:
1197 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1198 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1199 mono_mb_emit_byte (mb, CEE_LDIND_I);
1200 mono_mb_emit_icall (mb, conv_to_icall (conv));
1201 mono_mb_emit_byte (mb, CEE_STIND_I);
1203 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1204 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1208 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1209 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1210 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1211 mono_mb_emit_icon (mb, usize);
1212 mono_mb_emit_icall (mb, conv_to_icall (conv));
1215 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1216 MonoClass *eclass = NULL;
1219 if (type->type == MONO_TYPE_SZARRAY) {
1220 eclass = type->data.klass;
1222 g_assert_not_reached ();
1225 if (eclass->valuetype)
1226 esize = mono_class_native_size (eclass, NULL);
1228 esize = sizeof (gpointer);
1233 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1234 mono_mb_emit_byte (mb, CEE_LDIND_I);
1235 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1237 mono_mb_emit_byte (mb, 0);
1239 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1240 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1241 mono_mb_emit_byte (mb, CEE_LDIND_I);
1242 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1243 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1244 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1245 mono_mb_emit_byte (mb, CEE_ADD);
1246 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1247 mono_mb_emit_byte (mb, CEE_PREFIX1);
1248 mono_mb_emit_byte (mb, CEE_CPBLK);
1249 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1252 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1253 int src_var, dst_var;
1255 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1256 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1258 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1259 mono_mb_emit_byte (mb, CEE_LDIND_I);
1260 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1262 mono_mb_emit_byte (mb, 0);
1264 /* save the old src pointer */
1265 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1266 mono_mb_emit_stloc (mb, src_var);
1267 /* save the old dst pointer */
1268 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1269 mono_mb_emit_stloc (mb, dst_var);
1271 /* src = pointer to object data */
1272 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1273 mono_mb_emit_byte (mb, CEE_LDIND_I);
1274 mono_mb_emit_icon (mb, sizeof (MonoObject));
1275 mono_mb_emit_byte (mb, CEE_ADD);
1276 mono_mb_emit_byte (mb, CEE_STLOC_0);
1278 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1280 /* restore the old src pointer */
1281 mono_mb_emit_ldloc (mb, src_var);
1282 mono_mb_emit_byte (mb, CEE_STLOC_0);
1283 /* restore the old dst pointer */
1284 mono_mb_emit_ldloc (mb, dst_var);
1285 mono_mb_emit_byte (mb, CEE_STLOC_1);
1287 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1291 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1292 MonoException *exc = mono_get_exception_not_implemented (msg);
1295 mono_raise_exception (exc);
1301 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1303 MonoMarshalType *info;
1307 emit_struct_conv(mb, klass->parent, to_object);
1309 info = mono_marshal_load_type_info (klass);
1311 if (info->native_size == 0)
1314 if (klass->blittable) {
1315 int msize = mono_class_value_size (klass, NULL);
1316 g_assert (msize == info->native_size);
1317 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1318 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1319 mono_mb_emit_icon (mb, msize);
1320 mono_mb_emit_byte (mb, CEE_PREFIX1);
1321 mono_mb_emit_byte (mb, CEE_CPBLK);
1323 mono_mb_emit_add_to_local (mb, 0, msize);
1324 mono_mb_emit_add_to_local (mb, 1, msize);
1328 for (i = 0; i < info->num_fields; i++) {
1329 MonoMarshalNative ntype;
1330 MonoMarshalConv conv;
1331 MonoType *ftype = info->fields [i].field->type;
1334 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1336 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1339 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1342 msize = klass->instance_size - info->fields [i].field->offset;
1343 usize = info->native_size - info->fields [i].offset;
1345 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1346 usize = info->fields [i + 1].offset - info->fields [i].offset;
1348 if ((msize < 0) || (usize < 0))
1349 /* This happens with GC aware auto layout */
1350 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1352 g_assert ((msize >= 0) && (usize >= 0));
1355 case MONO_MARSHAL_CONV_NONE: {
1358 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1359 ftype->type == MONO_TYPE_U) {
1360 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1361 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1362 mono_mb_emit_byte (mb, CEE_LDIND_I);
1363 mono_mb_emit_byte (mb, CEE_STIND_I);
1372 #if SIZEOF_VOID_P == 4
1375 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1376 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1377 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1378 mono_mb_emit_byte (mb, CEE_STIND_I4);
1382 case MONO_TYPE_BOOLEAN:
1383 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1384 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1385 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1386 mono_mb_emit_byte (mb, CEE_STIND_I1);
1390 case MONO_TYPE_CHAR:
1391 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1392 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1393 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1394 mono_mb_emit_byte (mb, CEE_STIND_I2);
1398 #if SIZEOF_VOID_P == 8
1401 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1402 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1403 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1404 mono_mb_emit_byte (mb, CEE_STIND_I8);
1407 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1408 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1409 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1410 mono_mb_emit_byte (mb, CEE_STIND_R4);
1413 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1414 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1415 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1416 mono_mb_emit_byte (mb, CEE_STIND_R8);
1418 case MONO_TYPE_VALUETYPE:
1419 if (ftype->data.klass->enumtype) {
1420 t = ftype->data.klass->enum_basetype->type;
1423 emit_struct_conv (mb, ftype->data.klass, to_object);
1426 g_warning ("marshaling type %02x not implemented", ftype->type);
1427 g_assert_not_reached ();
1433 emit_ptr_to_object_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1435 emit_object_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1439 mono_mb_emit_add_to_local (mb, 0, usize);
1440 mono_mb_emit_add_to_local (mb, 1, msize);
1442 mono_mb_emit_add_to_local (mb, 0, msize);
1443 mono_mb_emit_add_to_local (mb, 1, usize);
1449 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1451 /* Call DestroyStructure */
1452 /* FIXME: Only do this if needed */
1453 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1454 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1455 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1456 mono_mb_emit_ldloc (mb, struct_var);
1457 mono_mb_emit_icall (mb, mono_struct_delete_old);
1461 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1465 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1466 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1467 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1468 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1469 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1471 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1472 mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
1474 mono_mb_emit_icall (mb, checkpoint_func);
1476 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1480 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1482 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1485 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1489 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1491 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1494 static MonoAsyncResult *
1495 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1497 MonoMethodMessage *msg;
1498 MonoDelegate *async_callback;
1502 MonoMethod *method = NULL, *method2 = NULL;
1504 g_assert (delegate);
1506 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1508 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1509 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1511 /* If the target is a proxy, make a direct call. Is proxy's work
1512 // to make the call asynchronous.
1514 MonoAsyncResult *ares;
1516 MonoArray *out_args;
1518 method = delegate->method_info->method;
1520 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1521 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1522 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1523 ares->async_delegate = (MonoObject *)delegate;
1524 ares->async_callback = (MonoObject *)async_callback;
1525 msg->async_result = ares;
1526 msg->call_type = CallType_BeginInvoke;
1528 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1533 klass = delegate->object.vtable->klass;
1535 method = mono_get_delegate_invoke (klass);
1536 method2 = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
1539 g_assert (method != NULL);
1541 im = mono_get_delegate_invoke (method->klass);
1542 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1544 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1548 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1550 int i, params_var, tmp_var;
1552 /* allocate local (pointer) *params[] */
1553 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1554 /* allocate local (pointer) tmp */
1555 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1557 /* alloate space on stack to store an array of pointers to the arguments */
1558 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1559 mono_mb_emit_byte (mb, CEE_PREFIX1);
1560 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1561 mono_mb_emit_stloc (mb, params_var);
1564 mono_mb_emit_ldloc (mb, params_var);
1565 mono_mb_emit_stloc (mb, tmp_var);
1567 if (save_this && sig->hasthis) {
1568 mono_mb_emit_ldloc (mb, tmp_var);
1569 mono_mb_emit_ldarg_addr (mb, 0);
1570 mono_mb_emit_byte (mb, CEE_STIND_I);
1571 /* tmp = tmp + sizeof (gpointer) */
1572 if (sig->param_count)
1573 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1577 for (i = 0; i < sig->param_count; i++) {
1578 mono_mb_emit_ldloc (mb, tmp_var);
1579 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1580 mono_mb_emit_byte (mb, CEE_STIND_I);
1581 /* tmp = tmp + sizeof (gpointer) */
1582 if (i < (sig->param_count - 1))
1583 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1590 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1594 GString *res = g_string_new ("");
1597 g_string_append (res, prefix);
1598 g_string_append_c (res, '_');
1601 mono_type_get_desc (res, sig->ret, FALSE);
1603 for (i = 0; i < sig->param_count; ++i) {
1604 g_string_append_c (res, '_');
1605 mono_type_get_desc (res, sig->params [i], FALSE);
1608 g_string_free (res, FALSE);
1613 * mono_marshal_get_string_encoding:
1615 * Return the string encoding which should be used for a given parameter.
1617 static MonoMarshalNative
1618 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1620 /* First try the parameter marshal info */
1622 if (spec->native == MONO_NATIVE_LPARRAY) {
1623 if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
1624 return spec->data.array_data.elem_type;
1627 return spec->native;
1631 return MONO_NATIVE_LPSTR;
1633 /* Then try the method level marshal info */
1634 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1635 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1636 return MONO_NATIVE_LPSTR;
1637 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1638 return MONO_NATIVE_LPWSTR;
1639 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1640 #ifdef PLATFORM_WIN32
1641 return MONO_NATIVE_LPWSTR;
1643 return MONO_NATIVE_LPTSTR;
1646 return MONO_NATIVE_LPSTR;
1650 static MonoMarshalConv
1651 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1653 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1656 case MONO_NATIVE_LPWSTR:
1657 return MONO_MARSHAL_CONV_STR_LPWSTR;
1658 case MONO_NATIVE_LPSTR:
1659 return MONO_MARSHAL_CONV_STR_LPSTR;
1660 case MONO_NATIVE_LPTSTR:
1661 return MONO_MARSHAL_CONV_STR_LPTSTR;
1667 static MonoMarshalConv
1668 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1670 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1673 case MONO_NATIVE_LPWSTR:
1674 return MONO_MARSHAL_CONV_SB_LPWSTR;
1676 case MONO_NATIVE_LPSTR:
1677 return MONO_MARSHAL_CONV_SB_LPSTR;
1679 case MONO_NATIVE_LPTSTR:
1680 return MONO_MARSHAL_CONV_SB_LPTSTR;
1687 static MonoMarshalConv
1688 mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1690 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1695 case MONO_NATIVE_LPWSTR:
1696 return MONO_MARSHAL_CONV_LPWSTR_STR;
1697 case MONO_NATIVE_LPSTR:
1698 return MONO_MARSHAL_CONV_LPSTR_STR;
1699 case MONO_NATIVE_LPTSTR:
1700 return MONO_MARSHAL_CONV_LPTSTR_STR;
1706 static MonoMarshalConv
1707 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1709 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1714 case MONO_NATIVE_LPWSTR:
1716 * mono_string_builder_to_utf16 does not allocate a
1717 * new buffer, so no need to free it.
1720 return MONO_MARSHAL_CONV_LPWSTR_SB;
1721 case MONO_NATIVE_LPSTR:
1722 return MONO_MARSHAL_CONV_LPSTR_SB;
1724 case MONO_NATIVE_LPTSTR:
1725 return MONO_MARSHAL_CONV_LPTSTR_SB;
1733 * Return whenever a field of a native structure or an array member needs to
1737 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1739 MonoMarshalNative encoding;
1740 MonoMarshalConv conv;
1743 case MONO_TYPE_VALUETYPE:
1744 /* FIXME: Optimize this */
1746 case MONO_TYPE_OBJECT:
1747 case MONO_TYPE_CLASS:
1748 if (t->data.klass == mono_defaults.stringbuilder_class) {
1750 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1754 case MONO_TYPE_STRING:
1755 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1756 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1762 static inline MonoMethod*
1763 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1767 EnterCriticalSection (&marshal_mutex);
1768 res = g_hash_table_lookup (cache, key);
1769 LeaveCriticalSection (&marshal_mutex);
1773 /* Create the method from the builder and place it in the cache */
1774 static inline MonoMethod*
1775 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1776 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1781 EnterCriticalSection (&marshal_mutex);
1782 res = g_hash_table_lookup (cache, key);
1784 /* This does not acquire any locks */
1785 res = mono_mb_create_method (mb, sig, max_stack);
1786 g_hash_table_insert (cache, key, res);
1787 g_hash_table_insert (wrapper_hash, res, key);
1789 LeaveCriticalSection (&marshal_mutex);
1795 static inline MonoMethod*
1796 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1798 MonoMethod *res = NULL;
1799 MonoRemotingMethods *wrps;
1801 EnterCriticalSection (&marshal_mutex);
1802 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1805 switch (wrapper_type) {
1806 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1807 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1808 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1809 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1813 LeaveCriticalSection (&marshal_mutex);
1817 /* Create the method from the builder and place it in the cache */
1818 static inline MonoMethod*
1819 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1820 MonoMethodSignature *sig, int max_stack)
1822 MonoMethod **res = NULL;
1823 MonoRemotingMethods *wrps;
1824 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1826 EnterCriticalSection (&marshal_mutex);
1827 wrps = g_hash_table_lookup (cache, key);
1829 wrps = g_new0 (MonoRemotingMethods, 1);
1830 g_hash_table_insert (cache, key, wrps);
1833 switch (mb->method->wrapper_type) {
1834 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1835 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1836 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1837 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1838 default: g_assert_not_reached (); break;
1842 /* This does not acquire any locks */
1843 *res = mono_mb_create_method (mb, sig, max_stack);
1844 g_hash_table_insert (wrapper_hash, *res, key);
1847 LeaveCriticalSection (&marshal_mutex);
1853 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1857 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1860 EnterCriticalSection (&marshal_mutex);
1861 res = g_hash_table_lookup (wrapper_hash, wrapper);
1862 LeaveCriticalSection (&marshal_mutex);
1867 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1869 MonoMethodSignature *sig;
1870 static MonoMethodSignature *csig = NULL;
1871 MonoMethodBuilder *mb;
1877 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1878 !strcmp (method->name, "BeginInvoke"));
1880 sig = signature_no_pinvoke (mono_method_signature (method));
1882 cache = method->klass->image->delegate_begin_invoke_cache;
1883 if ((res = mono_marshal_find_in_cache (cache, sig)))
1886 g_assert (sig->hasthis);
1889 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1891 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1892 csig->ret = &mono_defaults.object_class->byval_arg;
1893 csig->params [0] = &mono_defaults.object_class->byval_arg;
1894 csig->params [1] = &mono_defaults.int_class->byval_arg;
1897 name = mono_signature_to_name (sig, "begin_invoke");
1898 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1901 mb->method->save_lmf = 1;
1903 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1905 mono_mb_emit_ldarg (mb, 0);
1906 mono_mb_emit_ldloc (mb, params_var);
1907 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1908 emit_thread_interrupt_checkpoint (mb);
1909 mono_mb_emit_byte (mb, CEE_RET);
1911 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1917 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1919 MonoDomain *domain = mono_domain_get ();
1920 MonoAsyncResult *ares;
1921 MonoMethod *method = NULL;
1922 MonoMethodSignature *sig;
1923 MonoMethodMessage *msg;
1924 MonoObject *res, *exc;
1925 MonoArray *out_args;
1928 g_assert (delegate);
1930 if (!delegate->method_info || !delegate->method_info->method)
1931 g_assert_not_reached ();
1933 klass = delegate->object.vtable->klass;
1935 method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
1936 g_assert (method != NULL);
1938 sig = signature_no_pinvoke (mono_method_signature (method));
1940 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1942 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1945 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1946 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1947 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1948 mono_message_init (domain, msg, delegate->method_info, NULL);
1949 msg->call_type = CallType_EndInvoke;
1950 msg->async_result = ares;
1951 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1954 res = mono_thread_pool_finish (ares, &out_args, &exc);
1957 if (((MonoException*)exc)->stack_trace) {
1958 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1960 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1962 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1965 mono_raise_exception ((MonoException*)exc);
1968 mono_method_return_message_restore (method, params, out_args);
1973 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1975 if (return_type->byref)
1976 return_type = &mono_defaults.int_class->byval_arg;
1977 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1978 return_type = return_type->data.klass->enum_basetype;
1980 switch (return_type->type) {
1981 case MONO_TYPE_VOID:
1982 g_assert_not_reached ();
1985 case MONO_TYPE_STRING:
1986 case MONO_TYPE_CLASS:
1987 case MONO_TYPE_OBJECT:
1988 case MONO_TYPE_ARRAY:
1989 case MONO_TYPE_SZARRAY:
1993 case MONO_TYPE_BOOLEAN:
1994 mono_mb_emit_byte (mb, CEE_UNBOX);
1995 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1996 mono_mb_emit_byte (mb, CEE_LDIND_U1);
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_I1);
2004 case MONO_TYPE_CHAR:
2005 mono_mb_emit_byte (mb, CEE_UNBOX);
2006 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2007 mono_mb_emit_byte (mb, CEE_LDIND_U2);
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_I2);
2016 mono_mb_emit_byte (mb, CEE_UNBOX);
2017 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2018 mono_mb_emit_byte (mb, CEE_LDIND_I);
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_I4);
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_U4);
2032 mono_mb_emit_byte (mb, CEE_UNBOX);
2033 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
2034 mono_mb_emit_byte (mb, CEE_LDIND_I8);
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_R4);
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_R8);
2046 case MONO_TYPE_VALUETYPE: {
2048 mono_mb_emit_byte (mb, CEE_UNBOX);
2049 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
2050 mono_mb_emit_i4 (mb, class);
2051 mono_mb_emit_byte (mb, CEE_LDOBJ);
2052 mono_mb_emit_i4 (mb, class);
2056 g_warning ("type 0x%x not handled", return_type->type);
2057 g_assert_not_reached ();
2060 mono_mb_emit_byte (mb, CEE_RET);
2064 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2066 MonoMethodSignature *sig;
2067 static MonoMethodSignature *csig = NULL;
2068 MonoMethodBuilder *mb;
2074 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2075 !strcmp (method->name, "EndInvoke"));
2077 sig = signature_no_pinvoke (mono_method_signature (method));
2079 cache = method->klass->image->delegate_end_invoke_cache;
2080 if ((res = mono_marshal_find_in_cache (cache, sig)))
2083 g_assert (sig->hasthis);
2086 csig = mono_metadata_signature_alloc (method->klass->image, 2);
2088 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
2089 csig->ret = &mono_defaults.object_class->byval_arg;
2090 csig->params [0] = &mono_defaults.object_class->byval_arg;
2091 csig->params [1] = &mono_defaults.int_class->byval_arg;
2094 name = mono_signature_to_name (sig, "end_invoke");
2095 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2098 mb->method->save_lmf = 1;
2100 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2102 mono_mb_emit_ldarg (mb, 0);
2103 mono_mb_emit_ldloc (mb, params_var);
2104 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
2105 emit_thread_interrupt_checkpoint (mb);
2107 if (sig->ret->type == MONO_TYPE_VOID) {
2108 mono_mb_emit_byte (mb, CEE_POP);
2109 mono_mb_emit_byte (mb, CEE_RET);
2111 mono_mb_emit_restore_result (mb, sig->ret);
2113 res = mono_mb_create_and_cache (cache, sig,
2114 mb, sig, sig->param_count + 16);
2121 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2123 MonoMethodMessage *msg;
2124 MonoTransparentProxy *this;
2125 MonoObject *res, *exc;
2126 MonoArray *out_args;
2128 this = *((MonoTransparentProxy **)params [0]);
2131 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2133 /* skip the this pointer */
2136 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2139 MonoMethodSignature *sig = mono_method_signature (method);
2140 int count = sig->param_count;
2141 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2143 for (i=0; i<count; i++) {
2144 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2145 if (class->valuetype) {
2146 if (sig->params [i]->byref)
2147 mparams[i] = *((gpointer *)params [i]);
2149 mparams[i] = params [i];
2151 mparams[i] = *((gpointer**)params [i]);
2155 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2158 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2160 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2163 mono_raise_exception ((MonoException *)exc);
2165 mono_method_return_message_restore (method, params, out_args);
2171 mono_marshal_get_remoting_invoke (MonoMethod *method)
2173 MonoMethodSignature *sig;
2174 static MonoMethodSignature *csig = NULL;
2175 MonoMethodBuilder *mb;
2181 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2184 sig = signature_no_pinvoke (mono_method_signature (method));
2186 /* we cant remote methods without this pointer */
2190 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2194 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2195 csig->params [0] = &mono_defaults.int_class->byval_arg;
2196 csig->params [1] = &mono_defaults.int_class->byval_arg;
2197 csig->ret = &mono_defaults.object_class->byval_arg;
2201 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2202 mb->method->save_lmf = 1;
2204 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2206 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2207 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2208 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2209 mono_mb_emit_ldloc (mb, params_var);
2210 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2211 emit_thread_interrupt_checkpoint (mb);
2213 if (sig->ret->type == MONO_TYPE_VOID) {
2214 mono_mb_emit_byte (mb, CEE_POP);
2215 mono_mb_emit_byte (mb, CEE_RET);
2217 mono_mb_emit_restore_result (mb, sig->ret);
2220 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2226 /* mono_get_xdomain_marshal_type()
2227 * Returns the kind of marshalling that a type needs for cross domain calls.
2229 static MonoXDomainMarshalType
2230 mono_get_xdomain_marshal_type (MonoType *t)
2233 case MONO_TYPE_VOID:
2234 g_assert_not_reached ();
2238 case MONO_TYPE_BOOLEAN:
2241 case MONO_TYPE_CHAR:
2248 return MONO_MARSHAL_NONE;
2249 case MONO_TYPE_STRING:
2250 return MONO_MARSHAL_COPY;
2251 case MONO_TYPE_ARRAY:
2252 case MONO_TYPE_SZARRAY: {
2253 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2254 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2255 return MONO_MARSHAL_COPY;
2260 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2261 return MONO_MARSHAL_COPY;
2263 return MONO_MARSHAL_SERIALIZE;
2267 /* mono_marshal_xdomain_copy_value
2268 * Makes a copy of "val" suitable for the current domain.
2271 mono_marshal_xdomain_copy_value (MonoObject *val)
2274 if (val == NULL) return NULL;
2276 domain = mono_domain_get ();
2278 switch (mono_object_class (val)->byval_arg.type) {
2279 case MONO_TYPE_VOID:
2280 g_assert_not_reached ();
2284 case MONO_TYPE_BOOLEAN:
2287 case MONO_TYPE_CHAR:
2293 case MONO_TYPE_R8: {
2294 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2296 case MONO_TYPE_STRING: {
2297 MonoString *str = (MonoString *) val;
2298 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2300 case MONO_TYPE_ARRAY:
2301 case MONO_TYPE_SZARRAY: {
2303 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2304 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2305 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2306 if (mt == MONO_MARSHAL_COPY) {
2307 int i, len = mono_array_length (acopy);
2308 for (i = 0; i < len; i++) {
2309 MonoObject *item = mono_array_get (acopy, gpointer, i);
2310 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2313 return (MonoObject *) acopy;
2317 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2318 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2319 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2320 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2321 newsb->length = oldsb->length;
2322 newsb->max_capacity = (gint32)0x7fffffff;
2323 return (MonoObject *) newsb;
2328 /* mono_marshal_xdomain_copy_out_value()
2329 * Copies the contents of the src instance into the dst instance. src and dst
2330 * must have the same type, and if they are arrays, the same size.
2333 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2335 if (src == NULL || dst == NULL) return;
2337 g_assert (mono_object_class (src) == mono_object_class (dst));
2339 switch (mono_object_class (src)->byval_arg.type) {
2340 case MONO_TYPE_ARRAY:
2341 case MONO_TYPE_SZARRAY: {
2342 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2343 if (mt == MONO_MARSHAL_SERIALIZE) return;
2344 if (mt == MONO_MARSHAL_COPY) {
2345 int i, len = mono_array_length ((MonoArray *)dst);
2346 for (i = 0; i < len; i++) {
2347 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2348 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2351 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2357 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2358 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2359 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2361 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2362 dst_sb->cached_str = NULL;
2363 dst_sb->length = src_sb->length;
2368 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2370 static MonoMethodSignature *csig = NULL;
2372 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2373 csig->params [0] = &mono_defaults.object_class->byval_arg;
2374 csig->ret = &mono_defaults.object_class->byval_arg;
2378 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2379 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2380 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2384 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2386 static MonoMethodSignature *csig = NULL;
2388 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2389 csig->params [0] = &mono_defaults.object_class->byval_arg;
2390 csig->params [1] = &mono_defaults.object_class->byval_arg;
2391 csig->ret = &mono_defaults.void_class->byval_arg;
2395 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2398 /* mono_marshal_supports_fast_xdomain()
2399 * Returns TRUE if the method can use the fast xdomain wrapper.
2402 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2404 return !method->klass->contextbound &&
2405 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2409 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2411 MonoDomain *current_domain = mono_domain_get ();
2412 MonoDomain *domain = mono_domain_get_by_id (id);
2414 if (!domain || !mono_domain_set (domain, FALSE))
2415 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2418 mono_thread_push_appdomain_ref (domain);
2420 mono_thread_pop_appdomain_ref ();
2422 return current_domain->domain_id;
2426 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2428 static MonoMethodSignature *csig = NULL;
2430 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2431 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2432 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2433 csig->ret = &mono_defaults.int32_class->byval_arg;
2437 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2440 /* mono_marshal_emit_load_domain_method ()
2441 * Loads into the stack a pointer to the code of the provided method for
2442 * the current domain.
2445 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2447 static MonoMethodSignature *csig = NULL;
2449 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2450 csig->params [0] = &mono_defaults.int_class->byval_arg;
2451 csig->ret = &mono_defaults.int_class->byval_arg;
2455 /* We need a pointer to the method for the running domain (not the domain
2456 * that compiles the method).
2458 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2459 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2460 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2461 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2464 /* mono_marshal_get_xappdomain_dispatch ()
2465 * Generates a method that dispatches a method call from another domain into
2466 * the current domain.
2469 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2471 MonoMethodSignature *sig, *csig;
2472 MonoMethodBuilder *mb;
2474 int i, j, param_index, copy_locals_base;
2475 MonoClass *ret_class = NULL;
2476 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2477 MonoExceptionClause *main_clause;
2478 MonoMethodHeader *header;
2480 gboolean copy_return;
2482 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2485 sig = mono_method_signature (method);
2486 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2489 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2490 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2491 csig->params [j++] = &byte_array_class->this_arg;
2492 csig->params [j++] = &byte_array_class->this_arg;
2493 for (i = 0; i < sig->param_count; i++) {
2494 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2495 csig->params [j++] = sig->params [i];
2498 csig->ret = sig->ret;
2500 csig->ret = &mono_defaults.void_class->byval_arg;
2502 csig->hasthis = FALSE;
2504 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2505 mb->method->save_lmf = 1;
2509 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2510 if (complex_count > 0)
2511 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2512 if (sig->ret->type != MONO_TYPE_VOID) {
2513 loc_return = mono_mb_add_local (mb, sig->ret);
2514 ret_class = mono_class_from_mono_type (sig->ret);
2519 main_clause = g_new0 (MonoExceptionClause, 1);
2520 main_clause->try_offset = mb->pos;
2522 /* Clean the call context */
2524 mono_mb_emit_byte (mb, CEE_LDNULL);
2525 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2526 mono_mb_emit_byte (mb, CEE_POP);
2528 /* Deserialize call data */
2530 mono_mb_emit_ldarg (mb, 1);
2531 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2532 mono_mb_emit_byte (mb, CEE_DUP);
2533 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2535 mono_mb_emit_byte (mb, 0);
2537 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2538 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2540 if (complex_count > 0)
2541 mono_mb_emit_stloc (mb, loc_array);
2543 mono_mb_emit_byte (mb, CEE_POP);
2545 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2547 /* Get the target object */
2549 mono_mb_emit_ldarg (mb, 0);
2550 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2552 /* Load the arguments */
2554 copy_locals_base = mb->locals;
2555 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2557 for (i = 0; i < sig->param_count; i++) {
2558 MonoType *pt = sig->params [i];
2559 MonoClass *pclass = mono_class_from_mono_type (pt);
2560 switch (marshal_types [i]) {
2561 case MONO_MARSHAL_SERIALIZE: {
2562 /* take the value from the serialized array */
2563 mono_mb_emit_ldloc (mb, loc_array);
2564 mono_mb_emit_icon (mb, j++);
2566 if (pclass->valuetype) {
2567 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2568 mono_mb_emit_byte (mb, CEE_UNBOX);
2569 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2571 mono_mb_emit_byte (mb, CEE_LDELEMA);
2572 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2575 if (pclass->valuetype) {
2576 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2577 mono_mb_emit_byte (mb, CEE_UNBOX);
2578 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2579 mono_mb_emit_byte (mb, CEE_LDOBJ);
2580 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2582 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2583 if (pclass != mono_defaults.object_class) {
2584 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2585 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2591 case MONO_MARSHAL_COPY_OUT: {
2592 /* Keep a local copy of the value since we need to copy it back after the call */
2593 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2594 mono_mb_emit_ldarg (mb, param_index++);
2595 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2596 mono_mb_emit_byte (mb, CEE_DUP);
2597 mono_mb_emit_stloc (mb, copy_local);
2600 case MONO_MARSHAL_COPY: {
2601 mono_mb_emit_ldarg (mb, param_index);
2603 mono_mb_emit_byte (mb, CEE_DUP);
2604 mono_mb_emit_byte (mb, CEE_DUP);
2605 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2606 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2607 mono_mb_emit_byte (mb, CEE_STIND_REF);
2609 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2614 case MONO_MARSHAL_NONE:
2615 mono_mb_emit_ldarg (mb, param_index++);
2620 /* Make the call to the real object */
2622 emit_thread_force_interrupt_checkpoint (mb);
2623 mono_mb_emit_managed_call (mb, method, NULL);
2625 if (sig->ret->type != MONO_TYPE_VOID)
2626 mono_mb_emit_stloc (mb, loc_return);
2628 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2632 for (i = 0; i < sig->param_count; i++) {
2633 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2634 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2635 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2636 mono_mb_emit_ldarg (mb, param_index);
2637 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2642 /* Serialize the return values */
2644 if (complex_out_count > 0) {
2645 /* Reset parameters in the array that don't need to be serialized back */
2647 for (i = 0; i < sig->param_count; i++) {
2648 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2649 if (!sig->params [i]->byref) {
2650 mono_mb_emit_ldloc (mb, loc_array);
2651 mono_mb_emit_icon (mb, j);
2652 mono_mb_emit_byte (mb, CEE_LDNULL);
2653 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2658 /* Add the return value to the array */
2660 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2661 mono_mb_emit_ldloc (mb, loc_array);
2662 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2663 mono_mb_emit_ldloc (mb, loc_return);
2664 if (ret_class->valuetype) {
2665 mono_mb_emit_byte (mb, CEE_BOX);
2666 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2668 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2673 mono_mb_emit_ldarg (mb, 1);
2674 mono_mb_emit_ldloc (mb, loc_array);
2675 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2676 mono_mb_emit_byte (mb, CEE_STIND_REF);
2677 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2678 mono_mb_emit_ldarg (mb, 1);
2679 mono_mb_emit_ldloc (mb, loc_return);
2680 if (ret_class->valuetype) {
2681 mono_mb_emit_byte (mb, CEE_BOX);
2682 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2684 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2685 mono_mb_emit_byte (mb, CEE_STIND_REF);
2687 mono_mb_emit_ldarg (mb, 1);
2688 mono_mb_emit_byte (mb, CEE_LDNULL);
2689 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2690 mono_mb_emit_byte (mb, CEE_STIND_REF);
2693 mono_mb_emit_ldarg (mb, 2);
2694 mono_mb_emit_byte (mb, CEE_LDNULL);
2695 mono_mb_emit_byte (mb, CEE_STIND_REF);
2696 mono_mb_emit_byte (mb, CEE_LEAVE);
2697 pos_leave = mb->pos;
2698 mono_mb_emit_i4 (mb, 0);
2700 /* Main exception catch */
2701 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2702 main_clause->try_len = mb->pos - main_clause->try_offset;
2703 main_clause->data.catch_class = mono_defaults.object_class;
2706 main_clause->handler_offset = mb->pos;
2707 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2708 mono_mb_emit_stloc (mb, loc_serialized_exc);
2709 mono_mb_emit_ldarg (mb, 2);
2710 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2711 mono_mb_emit_byte (mb, CEE_STIND_REF);
2712 mono_mb_emit_byte (mb, CEE_LEAVE);
2713 mono_mb_emit_i4 (mb, 0);
2714 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2717 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2720 mono_mb_emit_ldloc (mb, loc_return);
2722 mono_mb_emit_byte (mb, CEE_RET);
2724 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2727 header = ((MonoMethodNormal *)res)->header;
2728 header->num_clauses = 1;
2729 header->clauses = main_clause;
2734 /* mono_marshal_get_xappdomain_invoke ()
2735 * Generates a fast remoting wrapper for cross app domain calls.
2738 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2740 MonoMethodSignature *sig;
2741 static MonoMethodSignature *sig_context_get;
2742 static MonoMethodSignature *sig_context_set;
2743 MonoMethodBuilder *mb;
2745 int i, j, complex_count, complex_out_count, copy_locals_base;
2747 MonoClass *ret_class = NULL;
2748 MonoMethod *xdomain_method;
2749 int ret_marshal_type = MONO_MARSHAL_NONE;
2750 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2751 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
2753 gboolean copy_return = FALSE;
2757 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2760 /* we cant remote methods without this pointer */
2761 if (!mono_method_signature (method)->hasthis)
2764 if (!mono_marshal_supports_fast_xdomain (method))
2765 return mono_marshal_get_remoting_invoke (method);
2767 mono_remoting_marshal_init ();
2769 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2772 sig = signature_no_pinvoke (mono_method_signature (method));
2774 if (sig_context_set == NULL) {
2775 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2776 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2777 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2778 sig_context_set->pinvoke = 1;
2780 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2781 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2782 sig_context_get->pinvoke = 1;
2785 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2786 mb->method->save_lmf = 1;
2788 /* Count the number of parameters that need to be serialized */
2790 marshal_types = alloca (sizeof (int) * sig->param_count);
2791 complex_count = complex_out_count = 0;
2792 for (i = 0; i < sig->param_count; i++) {
2793 MonoType *ptype = sig->params[i];
2794 int mt = mono_get_xdomain_marshal_type (ptype);
2796 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2797 * the copy will be made by reusing the original object instance
2799 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2800 mt = MONO_MARSHAL_COPY_OUT;
2801 else if (mt == MONO_MARSHAL_SERIALIZE) {
2803 if (ptype->byref) complex_out_count++;
2805 marshal_types [i] = mt;
2808 if (sig->ret->type != MONO_TYPE_VOID) {
2809 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2810 ret_class = mono_class_from_mono_type (sig->ret);
2811 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2816 if (complex_count > 0)
2817 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2818 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2819 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2821 loc_return = mono_mb_add_local (mb, sig->ret);
2822 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2823 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2824 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2826 /* Save thread domain data */
2828 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2829 mono_mb_emit_byte (mb, CEE_DUP);
2830 mono_mb_emit_stloc (mb, loc_context);
2832 /* If the thread is not running in the default context, it needs to go
2833 * through the whole remoting sink, since the context is going to change
2835 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2836 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2838 mono_mb_emit_byte (mb, 0);
2840 mono_mb_emit_ldarg (mb, 0);
2841 for (i = 0; i < sig->param_count; i++)
2842 mono_mb_emit_ldarg (mb, i + 1);
2844 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2845 mono_mb_emit_byte (mb, CEE_RET);
2846 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2848 /* Create the array that will hold the parameters to be serialized */
2850 if (complex_count > 0) {
2851 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 */
2852 mono_mb_emit_byte (mb, CEE_NEWARR);
2853 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2856 for (i = 0; i < sig->param_count; i++) {
2858 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2859 pclass = mono_class_from_mono_type (sig->params[i]);
2860 mono_mb_emit_byte (mb, CEE_DUP);
2861 mono_mb_emit_icon (mb, j);
2862 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2863 if (sig->params[i]->byref) {
2864 if (pclass->valuetype) {
2865 mono_mb_emit_byte (mb, CEE_LDOBJ);
2866 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2868 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2871 if (pclass->valuetype) {
2872 mono_mb_emit_byte (mb, CEE_BOX);
2873 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2875 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2878 mono_mb_emit_stloc (mb, loc_array);
2880 /* Serialize parameters */
2882 mono_mb_emit_ldloc (mb, loc_array);
2883 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2884 mono_mb_emit_stloc (mb, loc_serialized_data);
2886 mono_mb_emit_byte (mb, CEE_LDNULL);
2887 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2888 mono_mb_emit_stloc (mb, loc_serialized_data);
2891 /* Get the target domain id */
2893 mono_mb_emit_ldarg (mb, 0);
2894 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2895 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2896 mono_mb_emit_byte (mb, CEE_DUP);
2897 mono_mb_emit_stloc (mb, loc_real_proxy);
2899 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2900 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2901 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2905 mono_marshal_emit_switch_domain (mb);
2906 mono_mb_emit_stloc (mb, loc_old_domainid);
2908 /* Load the arguments */
2910 mono_mb_emit_ldloc (mb, loc_real_proxy);
2911 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2912 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2914 copy_locals_base = mb->locals;
2915 for (i = 0; i < sig->param_count; i++) {
2916 switch (marshal_types [i]) {
2917 case MONO_MARSHAL_SERIALIZE:
2919 case MONO_MARSHAL_COPY: {
2920 mono_mb_emit_ldarg (mb, i+1);
2921 if (sig->params [i]->byref) {
2922 /* make a local copy of the byref parameter. The real parameter
2923 * will be updated after the xdomain call
2925 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2926 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2927 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2928 mono_mb_emit_stloc (mb, copy_local);
2929 mono_mb_emit_ldloc_addr (mb, copy_local);
2933 case MONO_MARSHAL_COPY_OUT:
2934 case MONO_MARSHAL_NONE:
2935 mono_mb_emit_ldarg (mb, i+1);
2940 /* Make the call to the invoke wrapper in the target domain */
2942 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2943 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2944 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
2947 mono_mb_emit_stloc (mb, loc_return);
2951 mono_mb_emit_ldloc (mb, loc_old_domainid);
2952 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2953 mono_marshal_emit_switch_domain (mb);
2954 mono_mb_emit_byte (mb, CEE_POP);
2956 /* Restore thread domain data */
2958 mono_mb_emit_ldloc (mb, loc_context);
2959 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2961 /* if (loc_serialized_exc != null) ... */
2963 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2964 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2966 mono_mb_emit_byte (mb, 0);
2968 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2969 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2970 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2971 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2972 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2973 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2974 mono_mb_emit_byte (mb, CEE_THROW);
2975 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2977 /* copy back non-serialized output parameters */
2980 for (i = 0; i < sig->param_count; i++) {
2981 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2982 mono_mb_emit_ldarg (mb, i + 1);
2983 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2984 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2985 mono_mb_emit_byte (mb, CEE_STIND_REF);
2988 /* Deserialize out parameters */
2990 if (complex_out_count > 0) {
2991 mono_mb_emit_ldloc (mb, loc_serialized_data);
2992 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2993 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2994 mono_mb_emit_stloc (mb, loc_array);
2996 /* Copy back output parameters and return type */
2999 for (i = 0; i < sig->param_count; i++) {
3000 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
3001 if (sig->params[i]->byref) {
3002 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
3003 mono_mb_emit_ldarg (mb, i + 1);
3004 mono_mb_emit_ldloc (mb, loc_array);
3005 mono_mb_emit_icon (mb, j);
3006 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3007 if (pclass->valuetype) {
3008 mono_mb_emit_byte (mb, CEE_UNBOX);
3009 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3010 mono_mb_emit_byte (mb, CEE_LDOBJ);
3011 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3012 mono_mb_emit_byte (mb, CEE_STOBJ);
3013 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3015 if (pclass != mono_defaults.object_class) {
3016 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3017 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
3019 mono_mb_emit_byte (mb, CEE_STIND_REF);
3025 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3026 mono_mb_emit_ldloc (mb, loc_array);
3027 mono_mb_emit_icon (mb, complex_count);
3028 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
3029 if (ret_class->valuetype) {
3030 mono_mb_emit_byte (mb, CEE_UNBOX);
3031 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3032 mono_mb_emit_byte (mb, CEE_LDOBJ);
3033 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3036 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
3037 mono_mb_emit_ldloc (mb, loc_serialized_data);
3038 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3039 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3040 if (ret_class->valuetype) {
3041 mono_mb_emit_byte (mb, CEE_UNBOX);
3042 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3043 mono_mb_emit_byte (mb, CEE_LDOBJ);
3044 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3045 } else if (ret_class != mono_defaults.object_class) {
3046 mono_mb_emit_byte (mb, CEE_CASTCLASS);
3047 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
3050 mono_mb_emit_ldloc (mb, loc_serialized_data);
3051 mono_mb_emit_byte (mb, CEE_DUP);
3052 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3054 mono_mb_emit_byte (mb, 0);
3055 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
3057 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
3058 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
3059 mono_mb_emit_byte (mb, CEE_POP);
3063 mono_mb_emit_ldloc (mb, loc_return);
3064 if (ret_marshal_type == MONO_MARSHAL_COPY)
3065 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3068 mono_mb_emit_byte (mb, CEE_RET);
3070 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3077 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3079 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3080 return mono_marshal_get_xappdomain_invoke (method);
3082 return mono_marshal_get_remoting_invoke (method);
3085 G_GNUC_UNUSED static gpointer
3086 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3088 if (rp->target_domain_id != -1)
3089 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3091 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3095 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3097 MonoMethodSignature *sig;
3098 MonoMethodBuilder *mb;
3099 MonoMethod *res, *native;
3100 int i, pos, pos_rem;
3104 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3107 sig = signature_no_pinvoke (mono_method_signature (method));
3109 /* we cant remote methods without this pointer */
3110 g_assert (sig->hasthis);
3112 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3115 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3117 for (i = 0; i <= sig->param_count; i++)
3118 mono_mb_emit_ldarg (mb, i);
3120 mono_mb_emit_ldarg (mb, 0);
3121 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3123 if (mono_marshal_supports_fast_xdomain (method)) {
3124 mono_mb_emit_ldarg (mb, 0);
3125 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3127 /* wrapper for cross app domain calls */
3128 native = mono_marshal_get_xappdomain_invoke (method);
3129 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3130 mono_mb_emit_byte (mb, CEE_RET);
3132 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3134 /* wrapper for normal remote calls */
3135 native = mono_marshal_get_remoting_invoke (method);
3136 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3137 mono_mb_emit_byte (mb, CEE_RET);
3140 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3141 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3142 mono_mb_emit_byte (mb, CEE_RET);
3144 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3151 * the returned method invokes all methods in a multicast delegate
3154 mono_marshal_get_delegate_invoke (MonoMethod *method)
3156 MonoMethodSignature *sig, *static_sig;
3158 MonoMethodBuilder *mb;
3164 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3165 !strcmp (method->name, "Invoke"));
3167 sig = signature_no_pinvoke (mono_method_signature (method));
3169 cache = method->klass->image->delegate_invoke_cache;
3170 if ((res = mono_marshal_find_in_cache (cache, sig)))
3173 static_sig = mono_metadata_signature_dup (sig);
3174 static_sig->hasthis = 0;
3176 name = mono_signature_to_name (sig, "invoke");
3177 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3180 /* allocate local 0 (object) */
3181 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3183 g_assert (sig->hasthis);
3187 * prev.Invoke( args .. );
3188 * return this.<target>( args .. );
3191 /* this wrapper can be used in unmanaged-managed transitions */
3192 emit_thread_interrupt_checkpoint (mb);
3194 /* get this->prev */
3195 mono_mb_emit_ldarg (mb, 0);
3196 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3197 mono_mb_emit_byte (mb, CEE_LDIND_I );
3198 mono_mb_emit_stloc (mb, 0);
3200 /* if prev != null */
3201 mono_mb_emit_ldloc (mb, 0);
3202 mono_mb_emit_byte (mb, CEE_BRFALSE);
3205 mono_mb_emit_i4 (mb, 0);
3208 mono_mb_emit_ldloc (mb, 0);
3209 for (i = 0; i < sig->param_count; i++)
3210 mono_mb_emit_ldarg (mb, i + 1);
3211 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3212 if (sig->ret->type != MONO_TYPE_VOID)
3213 mono_mb_emit_byte (mb, CEE_POP);
3215 /* continued or prev == null */
3216 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3218 /* get this->target */
3219 mono_mb_emit_ldarg (mb, 0);
3220 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3221 mono_mb_emit_byte (mb, CEE_LDIND_I );
3222 mono_mb_emit_stloc (mb, 0);
3224 /* if target != null */
3225 mono_mb_emit_ldloc (mb, 0);
3226 mono_mb_emit_byte (mb, CEE_BRFALSE);
3228 mono_mb_emit_i4 (mb, 0);
3230 /* then call this->method_ptr nonstatic */
3231 mono_mb_emit_ldloc (mb, 0);
3232 for (i = 0; i < sig->param_count; ++i)
3233 mono_mb_emit_ldarg (mb, i + 1);
3234 mono_mb_emit_ldarg (mb, 0);
3235 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3236 mono_mb_emit_byte (mb, CEE_LDIND_I );
3237 mono_mb_emit_byte (mb, CEE_CALLI);
3238 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3240 mono_mb_emit_byte (mb, CEE_BR);
3242 mono_mb_emit_i4 (mb, 0);
3244 /* else [target == null] call this->method_ptr static */
3245 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3247 for (i = 0; i < sig->param_count; ++i)
3248 mono_mb_emit_ldarg (mb, i + 1);
3249 mono_mb_emit_ldarg (mb, 0);
3250 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3251 mono_mb_emit_byte (mb, CEE_LDIND_I );
3252 mono_mb_emit_byte (mb, CEE_CALLI);
3253 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3256 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3257 mono_mb_emit_byte (mb, CEE_RET);
3259 res = mono_mb_create_and_cache (cache, sig,
3260 mb, sig, sig->param_count + 16);
3267 * signature_dup_add_this:
3269 * Make a copy of @sig, adding an explicit this argument.
3271 static MonoMethodSignature*
3272 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3274 MonoMethodSignature *res;
3277 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3278 memcpy (res, sig, sizeof (MonoMethodSignature));
3279 res->param_count = sig->param_count + 1;
3280 res->hasthis = FALSE;
3281 for (i = sig->param_count - 1; i >= 0; i --)
3282 res->params [i + 1] = sig->params [i];
3283 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3290 MonoMethodSignature *sig;
3296 * generates IL code for the runtime invoke function
3297 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3299 * we also catch exceptions if exc != null
3302 mono_marshal_get_runtime_invoke (MonoMethod *method)
3304 MonoMethodSignature *sig, *csig, *callsig;
3305 MonoExceptionClause *clause;
3306 MonoMethodHeader *header;
3307 MonoMethodBuilder *mb;
3308 GHashTable *cache = NULL;
3309 MonoClass *target_klass;
3310 MonoMethod *res = NULL;
3312 static MonoString *string_dummy = NULL;
3313 static MonoMethodSignature *dealy_abort_sig = NULL;
3319 target_klass = method->klass;
3321 EnterCriticalSection (&marshal_mutex);
3323 if (method->string_ctor) {
3324 static GSList *strsig_list = NULL;
3328 for (item = strsig_list; item; item = item->next) {
3330 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
3336 callsig = mono_metadata_signature_dup (mono_method_signature (method));
3337 callsig->ret = &mono_defaults.string_class->byval_arg;
3338 cs = g_new (CtorSigPair, 1);
3341 strsig_list = g_slist_prepend (strsig_list, cs);
3344 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
3346 * Valuetype methods receive a managed pointer as the this argument.
3347 * Create a new signature to reflect this.
3349 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
3352 callsig = mono_method_signature (method);
3355 cache = method->klass->image->runtime_invoke_cache;
3357 /* from mono_marshal_find_in_cache */
3358 res = g_hash_table_lookup (cache, callsig);
3359 LeaveCriticalSection (&marshal_mutex);
3365 if (!dealy_abort_sig) {
3366 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3367 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3368 dealy_abort_sig->pinvoke = 0;
3371 target_klass = mono_defaults.object_class;
3373 /* to make it work with our special string constructors */
3374 if (!string_dummy) {
3375 MONO_GC_REGISTER_ROOT (string_dummy);
3376 string_dummy = mono_string_new_wrapper ("dummy");
3379 sig = mono_method_signature (method);
3381 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3383 csig->ret = &mono_defaults.object_class->byval_arg;
3384 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3385 csig->params [0] = callsig->params [0];
3387 csig->params [0] = &mono_defaults.object_class->byval_arg;
3388 csig->params [1] = &mono_defaults.int_class->byval_arg;
3389 csig->params [2] = &mono_defaults.int_class->byval_arg;
3390 csig->params [3] = &mono_defaults.int_class->byval_arg;
3392 name = mono_signature_to_name (callsig, "runtime_invoke");
3393 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3396 /* allocate local 0 (object) tmp */
3397 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3398 /* allocate local 1 (object) exc */
3399 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3401 /* cond set *exc to null */
3402 mono_mb_emit_byte (mb, CEE_LDARG_2);
3403 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3404 mono_mb_emit_byte (mb, 3);
3405 mono_mb_emit_byte (mb, CEE_LDARG_2);
3406 mono_mb_emit_byte (mb, CEE_LDNULL);
3407 mono_mb_emit_byte (mb, CEE_STIND_I);
3410 if (method->string_ctor) {
3411 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3412 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3413 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3415 mono_mb_emit_ldarg (mb, 0);
3419 for (i = 0; i < sig->param_count; i++) {
3420 MonoType *t = sig->params [i];
3423 mono_mb_emit_ldarg (mb, 1);
3425 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3426 mono_mb_emit_byte (mb, CEE_ADD);
3428 mono_mb_emit_byte (mb, CEE_LDIND_I);
3433 type = sig->params [i]->type;
3437 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3439 case MONO_TYPE_BOOLEAN:
3441 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3444 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3447 case MONO_TYPE_CHAR:
3448 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3452 mono_mb_emit_byte (mb, CEE_LDIND_I);
3455 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3458 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3461 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3464 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3468 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3470 case MONO_TYPE_STRING:
3471 case MONO_TYPE_CLASS:
3472 case MONO_TYPE_ARRAY:
3474 case MONO_TYPE_SZARRAY:
3475 case MONO_TYPE_OBJECT:
3478 case MONO_TYPE_VALUETYPE:
3479 if (t->data.klass->enumtype) {
3480 type = t->data.klass->enum_basetype->type;
3483 mono_mb_emit_byte (mb, CEE_LDOBJ);
3484 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3486 case MONO_TYPE_GENERICINST:
3487 t = &t->data.generic_class->container_class->byval_arg;
3491 g_assert_not_reached ();
3495 mono_mb_emit_ldarg (mb, 3);
3496 emit_thread_force_interrupt_checkpoint (mb);
3497 mono_mb_emit_calli (mb, callsig);
3499 if (sig->ret->byref) {
3501 g_assert_not_reached ();
3505 switch (sig->ret->type) {
3506 case MONO_TYPE_VOID:
3507 if (!method->string_ctor)
3508 mono_mb_emit_byte (mb, CEE_LDNULL);
3510 case MONO_TYPE_BOOLEAN:
3511 case MONO_TYPE_CHAR:
3524 case MONO_TYPE_VALUETYPE:
3525 case MONO_TYPE_TYPEDBYREF:
3526 case MONO_TYPE_GENERICINST:
3527 /* box value types */
3528 mono_mb_emit_byte (mb, CEE_BOX);
3529 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3531 case MONO_TYPE_STRING:
3532 case MONO_TYPE_CLASS:
3533 case MONO_TYPE_ARRAY:
3534 case MONO_TYPE_SZARRAY:
3535 case MONO_TYPE_OBJECT:
3540 g_assert_not_reached ();
3543 mono_mb_emit_stloc (mb, 0);
3545 mono_mb_emit_byte (mb, CEE_LEAVE);
3547 mono_mb_emit_i4 (mb, 0);
3549 clause = g_new0 (MonoExceptionClause, 1);
3550 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3551 clause->try_len = mb->pos;
3554 clause->data.filter_offset = mb->pos;
3556 mono_mb_emit_byte (mb, CEE_POP);
3557 mono_mb_emit_byte (mb, CEE_LDARG_2);
3558 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3559 mono_mb_emit_byte (mb, CEE_PREFIX1);
3560 mono_mb_emit_byte (mb, CEE_CGT_UN);
3561 mono_mb_emit_byte (mb, CEE_PREFIX1);
3562 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3564 clause->handler_offset = mb->pos;
3567 /* store exception */
3568 mono_mb_emit_stloc (mb, 1);
3570 mono_mb_emit_byte (mb, CEE_LDARG_2);
3571 mono_mb_emit_ldloc (mb, 1);
3572 mono_mb_emit_byte (mb, CEE_STIND_I);
3574 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3575 mono_mb_emit_stloc (mb, 0);
3577 /* Check for the abort exception */
3578 mono_mb_emit_ldloc (mb, 1);
3579 mono_mb_emit_byte (mb, CEE_ISINST);
3580 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3581 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3583 mono_mb_emit_byte (mb, 0);
3585 /* Delay the abort exception */
3586 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3588 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3589 mono_mb_emit_byte (mb, CEE_LEAVE);
3590 mono_mb_emit_i4 (mb, 0);
3592 clause->handler_len = mb->pos - clause->handler_offset;
3595 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3596 mono_mb_emit_ldloc (mb, 0);
3597 mono_mb_emit_byte (mb, CEE_RET);
3599 /* taken from mono_mb_create_and_cache */
3600 EnterCriticalSection (&marshal_mutex);
3602 res = g_hash_table_lookup (cache, callsig);
3603 /* Somebody may have created it before us */
3605 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3606 g_hash_table_insert (cache, callsig, res);
3607 g_hash_table_insert (wrapper_hash, res, callsig);
3610 LeaveCriticalSection (&marshal_mutex);
3611 /* end mono_mb_create_and_cache */
3615 header = ((MonoMethodNormal *)res)->header;
3616 header->num_clauses = 1;
3617 header->clauses = clause;
3623 mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
3625 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3626 klass->name_space, klass->name);
3628 mono_mb_emit_exception_marshal_directive (mb, msg);
3632 * mono_marshal_get_ldfld_remote_wrapper:
3633 * @klass: The return type
3635 * This method generates a wrapper for calling mono_load_remote_field_new with
3636 * the appropriate return type.
3639 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
3641 MonoMethodSignature *sig, *csig;
3642 MonoMethodBuilder *mb;
3644 static GHashTable *ldfld_hash = NULL;
3647 EnterCriticalSection (&marshal_mutex);
3649 ldfld_hash = g_hash_table_new (NULL, NULL);
3650 res = g_hash_table_lookup (ldfld_hash, klass);
3651 LeaveCriticalSection (&marshal_mutex);
3656 * This wrapper is similar to an icall wrapper but all the wrappers
3657 * call the same C function, but with a different signature.
3659 name = g_strdup_printf ("__mono_load_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3660 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD_REMOTE);
3663 mb->method->save_lmf = 1;
3665 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3666 sig->params [0] = &mono_defaults.object_class->byval_arg;
3667 sig->params [1] = &mono_defaults.int_class->byval_arg;
3668 sig->params [2] = &mono_defaults.int_class->byval_arg;
3669 sig->ret = &klass->this_arg;
3671 mono_mb_emit_ldarg (mb, 0);
3672 mono_mb_emit_ldarg (mb, 1);
3673 mono_mb_emit_ldarg (mb, 2);
3675 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3676 csig->params [0] = &mono_defaults.object_class->byval_arg;
3677 csig->params [1] = &mono_defaults.int_class->byval_arg;
3678 csig->params [2] = &mono_defaults.int_class->byval_arg;
3679 csig->ret = &klass->this_arg;
3682 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3683 emit_thread_interrupt_checkpoint (mb);
3685 mono_mb_emit_byte (mb, CEE_RET);
3687 res = mono_mb_create_and_cache (ldfld_hash, klass,
3688 mb, sig, sig->param_count + 16);
3695 * mono_marshal_get_ldfld_wrapper:
3696 * @type: the type of the field
3698 * This method generates a function which can be use to load a field with type
3699 * @type from an object. The generated function has the following signature:
3700 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
3703 mono_marshal_get_ldfld_wrapper (MonoType *type)
3705 MonoMethodSignature *sig;
3706 MonoMethodBuilder *mb;
3709 static GHashTable *ldfld_hash = NULL;
3711 int t, pos0, pos1 = 0;
3716 if (type->type == MONO_TYPE_SZARRAY) {
3717 klass = mono_defaults.array_class;
3718 } else if (type->type == MONO_TYPE_VALUETYPE) {
3719 klass = type->data.klass;
3720 if (klass->enumtype) {
3721 t = klass->enum_basetype->type;
3722 klass = mono_class_from_mono_type (klass->enum_basetype);
3724 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3725 t == MONO_TYPE_CLASS) {
3726 klass = mono_defaults.object_class;
3727 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3728 klass = mono_defaults.int_class;
3730 klass = mono_class_from_mono_type (type);
3733 klass = mono_defaults.int_class;
3736 EnterCriticalSection (&marshal_mutex);
3738 ldfld_hash = g_hash_table_new (NULL, NULL);
3739 res = g_hash_table_lookup (ldfld_hash, klass);
3740 LeaveCriticalSection (&marshal_mutex);
3744 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
3745 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
3748 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3749 sig->params [0] = &mono_defaults.object_class->byval_arg;
3750 sig->params [1] = &mono_defaults.int_class->byval_arg;
3751 sig->params [2] = &mono_defaults.int_class->byval_arg;
3752 sig->params [3] = &mono_defaults.int_class->byval_arg;
3753 sig->ret = &klass->byval_arg;
3755 mono_mb_emit_ldarg (mb, 0);
3756 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3758 mono_mb_emit_ldarg (mb, 0);
3759 mono_mb_emit_ldarg (mb, 1);
3760 mono_mb_emit_ldarg (mb, 2);
3762 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
3765 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3766 csig->params [0] = &mono_defaults.object_class->byval_arg;
3767 csig->params [1] = &mono_defaults.int_class->byval_arg;
3768 csig->params [2] = &mono_defaults.int_class->byval_arg;
3769 csig->ret = &klass->this_arg;
3772 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3773 emit_thread_interrupt_checkpoint (mb);
3776 if (klass->valuetype) {
3777 mono_mb_emit_byte (mb, CEE_UNBOX);
3778 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3779 mono_mb_emit_byte (mb, CEE_BR);
3781 mono_mb_emit_i4 (mb, 0);
3783 mono_mb_emit_byte (mb, CEE_RET);
3787 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3789 mono_mb_emit_ldarg (mb, 0);
3790 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3791 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3792 mono_mb_emit_ldarg (mb, 3);
3793 mono_mb_emit_byte (mb, CEE_ADD);
3795 if (klass->valuetype)
3796 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3801 case MONO_TYPE_BOOLEAN:
3802 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3804 case MONO_TYPE_CHAR:
3807 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3811 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3815 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3818 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3821 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3823 case MONO_TYPE_ARRAY:
3825 case MONO_TYPE_FNPTR:
3826 case MONO_TYPE_SZARRAY:
3827 case MONO_TYPE_OBJECT:
3828 case MONO_TYPE_CLASS:
3829 case MONO_TYPE_STRING:
3832 mono_mb_emit_byte (mb, CEE_LDIND_I);
3834 case MONO_TYPE_VALUETYPE:
3835 g_assert (!klass->enumtype);
3836 mono_mb_emit_byte (mb, CEE_LDOBJ);
3837 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3840 g_warning ("type %x not implemented", type->type);
3841 g_assert_not_reached ();
3844 mono_mb_emit_byte (mb, CEE_RET);
3846 res = mono_mb_create_and_cache (ldfld_hash, klass,
3847 mb, sig, sig->param_count + 16);
3854 * mono_marshal_get_stfld_remote_wrapper:
3855 * klass: The type of the field
3857 * This function generates a wrapper for calling mono_store_remote_field_new
3858 * with the appropriate signature.
3861 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
3863 MonoMethodSignature *sig, *csig;
3864 MonoMethodBuilder *mb;
3866 static GHashTable *stfld_hash = NULL;
3869 EnterCriticalSection (&marshal_mutex);
3871 stfld_hash = g_hash_table_new (NULL, NULL);
3872 res = g_hash_table_lookup (stfld_hash, klass);
3873 LeaveCriticalSection (&marshal_mutex);
3877 name = g_strdup_printf ("__mono_store_remote_field_new_wrapper_%s.%s", klass->name_space, klass->name);
3878 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD_REMOTE);
3881 mb->method->save_lmf = 1;
3883 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3884 sig->params [0] = &mono_defaults.object_class->byval_arg;
3885 sig->params [1] = &mono_defaults.int_class->byval_arg;
3886 sig->params [2] = &mono_defaults.int_class->byval_arg;
3887 sig->params [3] = &klass->byval_arg;
3888 sig->ret = &mono_defaults.void_class->byval_arg;
3890 mono_mb_emit_ldarg (mb, 0);
3891 mono_mb_emit_ldarg (mb, 1);
3892 mono_mb_emit_ldarg (mb, 2);
3893 mono_mb_emit_ldarg (mb, 3);
3895 if (klass->valuetype) {
3896 mono_mb_emit_byte (mb, CEE_BOX);
3897 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3900 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3901 csig->params [0] = &mono_defaults.object_class->byval_arg;
3902 csig->params [1] = &mono_defaults.int_class->byval_arg;
3903 csig->params [2] = &mono_defaults.int_class->byval_arg;
3904 csig->params [3] = &klass->byval_arg;
3905 csig->ret = &mono_defaults.void_class->byval_arg;
3908 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
3909 emit_thread_interrupt_checkpoint (mb);
3911 mono_mb_emit_byte (mb, CEE_RET);
3913 res = mono_mb_create_and_cache (stfld_hash, klass,
3914 mb, sig, sig->param_count + 16);
3921 * mono_marshal_get_stfld_wrapper:
3922 * @type: the type of the field
3924 * This method generates a function which can be use to store a field with type
3925 * @type. The generated function has the following signature:
3926 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
3929 mono_marshal_get_stfld_wrapper (MonoType *type)
3931 MonoMethodSignature *sig;
3932 MonoMethodBuilder *mb;
3935 static GHashTable *stfld_hash = NULL;
3942 if (type->type == MONO_TYPE_SZARRAY) {
3943 klass = mono_defaults.array_class;
3944 } else if (type->type == MONO_TYPE_VALUETYPE) {
3945 klass = type->data.klass;
3946 if (klass->enumtype) {
3947 t = klass->enum_basetype->type;
3948 klass = mono_class_from_mono_type (klass->enum_basetype);
3950 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3951 t == MONO_TYPE_CLASS) {
3952 klass = mono_defaults.object_class;
3953 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3954 klass = mono_defaults.int_class;
3956 klass = mono_class_from_mono_type (type);
3959 klass = mono_defaults.int_class;
3962 EnterCriticalSection (&marshal_mutex);
3964 stfld_hash = g_hash_table_new (NULL, NULL);
3965 res = g_hash_table_lookup (stfld_hash, klass);
3966 LeaveCriticalSection (&marshal_mutex);
3970 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
3971 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
3974 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
3975 sig->params [0] = &mono_defaults.object_class->byval_arg;
3976 sig->params [1] = &mono_defaults.int_class->byval_arg;
3977 sig->params [2] = &mono_defaults.int_class->byval_arg;
3978 sig->params [3] = &mono_defaults.int_class->byval_arg;
3979 sig->params [4] = &klass->byval_arg;
3980 sig->ret = &mono_defaults.void_class->byval_arg;
3982 mono_mb_emit_ldarg (mb, 0);
3983 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3985 mono_mb_emit_ldarg (mb, 0);
3986 mono_mb_emit_ldarg (mb, 1);
3987 mono_mb_emit_ldarg (mb, 2);
3988 mono_mb_emit_ldarg (mb, 4);
3990 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
3992 mono_mb_emit_byte (mb, CEE_RET);
3994 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3996 mono_mb_emit_ldarg (mb, 0);
3997 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3998 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3999 mono_mb_emit_ldarg (mb, 3);
4000 mono_mb_emit_byte (mb, CEE_ADD);
4001 mono_mb_emit_ldarg (mb, 4);
4006 case MONO_TYPE_BOOLEAN:
4007 mono_mb_emit_byte (mb, CEE_STIND_I1);
4009 case MONO_TYPE_CHAR:
4012 mono_mb_emit_byte (mb, CEE_STIND_I2);
4016 mono_mb_emit_byte (mb, CEE_STIND_I4);
4020 mono_mb_emit_byte (mb, CEE_STIND_I8);
4023 mono_mb_emit_byte (mb, CEE_STIND_R4);
4026 mono_mb_emit_byte (mb, CEE_STIND_R8);
4028 case MONO_TYPE_ARRAY:
4030 case MONO_TYPE_FNPTR:
4031 case MONO_TYPE_SZARRAY:
4032 case MONO_TYPE_OBJECT:
4033 case MONO_TYPE_CLASS:
4034 case MONO_TYPE_STRING:
4037 mono_mb_emit_byte (mb, CEE_STIND_I);
4039 case MONO_TYPE_VALUETYPE:
4040 g_assert (!klass->enumtype);
4041 mono_mb_emit_byte (mb, CEE_STOBJ);
4042 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4044 case MONO_TYPE_GENERICINST:
4045 mono_mb_emit_byte (mb, CEE_STOBJ);
4046 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4049 g_warning ("type %x not implemented", type->type);
4050 g_assert_not_reached ();
4053 mono_mb_emit_byte (mb, CEE_RET);
4055 res = mono_mb_create_and_cache (stfld_hash, klass,
4056 mb, sig, sig->param_count + 16);
4063 * generates IL code for the icall wrapper (the generated method
4064 * calls the unmanaged code in func)
4067 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4069 MonoMethodSignature *csig;
4070 MonoMethodBuilder *mb;
4074 g_assert (sig->pinvoke);
4076 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4078 mb->method->save_lmf = 1;
4080 /* we copy the signature, so that we can modify it */
4083 mono_mb_emit_byte (mb, CEE_LDARG_0);
4085 for (i = 0; i < sig->param_count; i++)
4086 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4088 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4089 emit_thread_interrupt_checkpoint (mb);
4090 mono_mb_emit_byte (mb, CEE_RET);
4092 csig = mono_metadata_signature_dup (sig);
4094 if (csig->call_convention == MONO_CALL_VARARG)
4095 csig->call_convention = 0;
4097 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4104 MonoMethodBuilder *mb;
4105 MonoMethodSignature *sig;
4106 MonoMethodPInvoke *piinfo;
4107 int *orig_conv_args; /* Locals containing the original values of byref args */
4109 MonoClass *retobj_class;
4110 } EmitMarshalContext;
4113 MARSHAL_ACTION_CONV_IN,
4114 MARSHAL_ACTION_PUSH,
4115 MARSHAL_ACTION_CONV_OUT,
4116 MARSHAL_ACTION_CONV_RESULT,
4117 MARSHAL_ACTION_MANAGED_CONV_IN,
4118 MARSHAL_ACTION_MANAGED_CONV_OUT,
4119 MARSHAL_ACTION_MANAGED_CONV_RESULT
4123 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4124 MonoMarshalSpec *spec,
4125 int conv_arg, MonoType **conv_arg_type,
4126 MarshalAction action)
4130 MonoMethod *get_instance, *cleanup_native, *cleanup_managed;
4131 MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4132 MonoMethodBuilder *mb = m->mb;
4135 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4136 g_assert (mtype != NULL);
4137 mklass = mono_class_from_mono_type (mtype);
4138 g_assert (mklass != NULL);
4140 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4141 g_assert (get_instance);
4142 cleanup_native = mono_class_get_method_from_name (mklass, "CleanUpNativeData", 1);
4143 g_assert (cleanup_native);
4144 cleanup_managed = mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1);
4145 g_assert (cleanup_managed);
4146 marshal_managed_to_native = mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1);
4147 g_assert (marshal_managed_to_native);
4148 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
4149 g_assert (marshal_native_to_managed);
4152 case MARSHAL_ACTION_CONV_IN:
4154 case MONO_TYPE_CLASS:
4155 case MONO_TYPE_OBJECT:
4156 case MONO_TYPE_STRING:
4157 case MONO_TYPE_ARRAY:
4158 case MONO_TYPE_SZARRAY:
4159 case MONO_TYPE_VALUETYPE:
4163 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4164 g_assert_not_reached ();
4171 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4173 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4175 mono_mb_emit_byte (mb, CEE_CALL);
4176 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4178 mono_mb_emit_ldarg (mb, argnum);
4180 if (t->type == MONO_TYPE_VALUETYPE) {
4182 * Since we can't determine the type of the argument, we
4183 * will assume the unmanaged function takes a pointer.
4185 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4187 mono_mb_emit_byte (mb, CEE_BOX);
4188 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4191 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4192 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4193 mono_mb_emit_stloc (mb, conv_arg);
4196 case MARSHAL_ACTION_CONV_OUT:
4197 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4199 mono_mb_emit_byte (mb, CEE_CALL);
4200 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4202 mono_mb_emit_ldloc (mb, conv_arg);
4204 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4205 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4209 case MARSHAL_ACTION_PUSH:
4210 mono_mb_emit_ldloc (mb, conv_arg);
4213 case MARSHAL_ACTION_CONV_RESULT:
4214 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4216 mono_mb_emit_byte (mb, CEE_STLOC_3);
4218 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4219 mono_mb_emit_stloc (mb, loc1);
4221 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4223 mono_mb_emit_byte (mb, CEE_CALL);
4224 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4225 mono_mb_emit_byte (mb, CEE_DUP);
4227 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4228 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4229 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4230 mono_mb_emit_byte (mb, CEE_STLOC_3);
4232 mono_mb_emit_ldloc (mb, loc1);
4233 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4234 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4238 case MARSHAL_ACTION_MANAGED_CONV_IN:
4244 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4246 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4247 mono_mb_emit_byte (mb, CEE_CALL);
4248 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4250 mono_mb_emit_ldarg (mb, argnum);
4252 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4253 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4254 mono_mb_emit_stloc (mb, conv_arg);
4257 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4258 g_assert (!t->byref);
4260 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4262 mono_mb_emit_byte (mb, CEE_STLOC_3);
4264 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4265 mono_mb_emit_stloc (mb, loc1);
4267 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4268 mono_mb_emit_byte (mb, CEE_CALL);
4269 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4270 mono_mb_emit_byte (mb, CEE_DUP);
4272 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4273 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4274 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4275 mono_mb_emit_byte (mb, CEE_STLOC_3);
4277 mono_mb_emit_ldloc (mb, loc1);
4278 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4279 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4283 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4284 g_assert (!t->byref);
4286 /* Call CleanUpManagedData */
4287 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4289 mono_mb_emit_byte (mb, CEE_CALL);
4290 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4292 mono_mb_emit_ldloc (mb, conv_arg);
4293 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4294 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4299 g_assert_not_reached ();
4306 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4307 MonoMarshalSpec *spec,
4308 int conv_arg, MonoType **conv_arg_type,
4309 MarshalAction action)
4311 MonoMethodBuilder *mb = m->mb;
4314 case MARSHAL_ACTION_CONV_IN: {
4315 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4317 g_assert (t->type == MONO_TYPE_OBJECT);
4318 g_assert (!t->byref);
4320 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4321 mono_mb_emit_ldarg (mb, argnum);
4322 mono_mb_emit_icon (mb, encoding);
4323 mono_mb_emit_icall (mb, mono_marshal_asany);
4324 mono_mb_emit_stloc (mb, conv_arg);
4328 case MARSHAL_ACTION_PUSH:
4329 mono_mb_emit_ldloc (mb, conv_arg);
4332 case MARSHAL_ACTION_CONV_OUT: {
4333 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4335 mono_mb_emit_ldarg (mb, argnum);
4336 mono_mb_emit_ldloc (mb, conv_arg);
4337 mono_mb_emit_icon (mb, encoding);
4338 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4343 g_assert_not_reached ();
4350 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4351 MonoMarshalSpec *spec,
4352 int conv_arg, MonoType **conv_arg_type,
4353 MarshalAction action)
4355 MonoMethodBuilder *mb = m->mb;
4359 klass = t->data.klass;
4362 case MARSHAL_ACTION_CONV_IN:
4363 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4364 klass->blittable || klass->enumtype)
4367 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4369 /* store the address of the source into local variable 0 */
4371 mono_mb_emit_ldarg (mb, argnum);
4373 mono_mb_emit_ldarg_addr (mb, argnum);
4375 mono_mb_emit_byte (mb, CEE_STLOC_0);
4377 /* allocate space for the native struct and
4378 * store the address into local variable 1 (dest) */
4379 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4380 mono_mb_emit_byte (mb, CEE_PREFIX1);
4381 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4382 mono_mb_emit_stloc (mb, conv_arg);
4385 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4386 mono_mb_emit_byte (mb, CEE_BRFALSE);
4388 mono_mb_emit_i4 (mb, 0);
4391 if (!(t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
4393 mono_mb_emit_ldloc (mb, conv_arg);
4394 mono_mb_emit_byte (mb, CEE_STLOC_1);
4396 /* emit valuetype conversion code */
4397 emit_struct_conv (mb, klass, FALSE);
4401 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4404 case MARSHAL_ACTION_PUSH:
4405 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4406 klass->blittable || klass->enumtype) {
4407 mono_mb_emit_ldarg (mb, argnum);
4410 mono_mb_emit_ldloc (mb, conv_arg);
4412 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4413 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4414 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4418 case MARSHAL_ACTION_CONV_OUT:
4419 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4420 klass->blittable || klass->enumtype)
4424 /* dst = argument */
4425 mono_mb_emit_ldarg (mb, argnum);
4426 mono_mb_emit_byte (mb, CEE_STLOC_1);
4428 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4429 mono_mb_emit_byte (mb, CEE_BRFALSE);
4431 mono_mb_emit_i4 (mb, 0);
4433 /* src = tmp_locals [i] */
4434 mono_mb_emit_ldloc (mb, conv_arg);
4435 mono_mb_emit_byte (mb, CEE_STLOC_0);
4437 /* emit valuetype conversion code */
4438 emit_struct_conv (mb, klass, TRUE);
4441 emit_struct_free (mb, klass, conv_arg);
4444 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4447 case MARSHAL_ACTION_CONV_RESULT:
4448 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4450 mono_mb_emit_byte (mb, CEE_STLOC_3);
4453 /* load pointer to returned value type */
4454 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4455 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4456 /* store the address of the source into local variable 0 */
4457 mono_mb_emit_byte (mb, CEE_STLOC_0);
4459 mono_mb_emit_ldloc_addr (mb, 3);
4460 mono_mb_emit_byte (mb, CEE_STLOC_1);
4462 /* emit valuetype conversion code */
4463 emit_struct_conv (mb, klass, TRUE);
4466 case MARSHAL_ACTION_MANAGED_CONV_IN:
4467 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4468 klass->blittable || klass->enumtype) {
4473 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4475 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4479 mono_mb_emit_ldarg (mb, argnum);
4481 mono_mb_emit_ldarg_addr (mb, argnum);
4482 mono_mb_emit_byte (mb, CEE_STLOC_0);
4485 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4486 mono_mb_emit_byte (mb, CEE_BRFALSE);
4488 mono_mb_emit_i4 (mb, 0);
4491 mono_mb_emit_ldloc_addr (mb, conv_arg);
4492 mono_mb_emit_byte (mb, CEE_STLOC_1);
4494 /* emit valuetype conversion code */
4495 emit_struct_conv (mb, klass, TRUE);
4498 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4501 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4502 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4503 klass->blittable || klass->enumtype) {
4507 /* Check for null */
4508 mono_mb_emit_ldarg (mb, argnum);
4509 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4512 mono_mb_emit_ldloc_addr (mb, conv_arg);
4513 mono_mb_emit_byte (mb, CEE_STLOC_0);
4516 mono_mb_emit_ldarg (mb, argnum);
4517 mono_mb_emit_byte (mb, CEE_STLOC_1);
4519 /* emit valuetype conversion code */
4520 emit_struct_conv (mb, klass, FALSE);
4522 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4525 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4526 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4527 klass->blittable || klass->enumtype) {
4528 mono_mb_emit_byte (mb, CEE_STLOC_3);
4533 /* load pointer to returned value type */
4534 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4535 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4537 /* store the address of the source into local variable 0 */
4538 mono_mb_emit_byte (mb, CEE_STLOC_0);
4539 /* allocate space for the native struct and
4540 * store the address into dst_ptr */
4541 m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4542 m->retobj_class = klass;
4543 g_assert (m->retobj_var);
4544 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4545 mono_mb_emit_byte (mb, CEE_CONV_I);
4546 mono_mb_emit_icall (mb, mono_marshal_alloc);
4547 mono_mb_emit_byte (mb, CEE_STLOC_1);
4548 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4549 mono_mb_emit_stloc (mb, m->retobj_var);
4551 /* emit valuetype conversion code */
4552 emit_struct_conv (mb, klass, FALSE);
4556 g_assert_not_reached ();
4563 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4564 MonoMarshalSpec *spec,
4565 int conv_arg, MonoType **conv_arg_type,
4566 MarshalAction action)
4568 MonoMethodBuilder *mb = m->mb;
4569 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4570 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4574 case MARSHAL_ACTION_CONV_IN:
4575 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4576 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4579 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4582 mono_mb_emit_ldarg (mb, argnum);
4583 mono_mb_emit_byte (mb, CEE_LDIND_I);
4585 mono_mb_emit_ldarg (mb, argnum);
4589 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4590 MonoException *exc = mono_get_exception_not_implemented (msg);
4593 mono_raise_exception (exc);
4596 mono_mb_emit_icall (mb, conv_to_icall (conv));
4598 mono_mb_emit_stloc (mb, conv_arg);
4601 case MARSHAL_ACTION_CONV_OUT:
4602 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4603 mono_mb_emit_ldarg (mb, argnum);
4604 mono_mb_emit_ldloc (mb, conv_arg);
4605 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4606 mono_mb_emit_byte (mb, CEE_STIND_I);
4608 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4609 mono_mb_emit_ldloc (mb, conv_arg);
4610 mono_mb_emit_icall (mb, mono_marshal_free);
4615 case MARSHAL_ACTION_CONV_RESULT:
4616 mono_mb_emit_byte (mb, CEE_STLOC_0);
4617 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4620 switch (spec->native) {
4621 case MONO_NATIVE_LPWSTR:
4622 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
4625 g_warning ("marshalling conversion not implemented");
4626 g_assert_not_reached ();
4629 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4631 mono_mb_emit_byte (mb, CEE_STLOC_3);
4633 /* free the string */
4634 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4635 mono_mb_emit_icall (mb, g_free);
4638 case MARSHAL_ACTION_MANAGED_CONV_IN:
4644 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4645 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4647 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
4649 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4650 mono_mb_emit_exception_marshal_directive (mb, msg);
4654 mono_mb_emit_ldarg (mb, argnum);
4655 mono_mb_emit_icall (mb, conv_to_icall (conv));
4656 mono_mb_emit_stloc (mb, conv_arg);
4659 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
4660 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
4661 mono_mb_emit_byte (mb, CEE_STLOC_3);
4665 g_assert_not_reached ();
4672 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4673 MonoMarshalSpec *spec,
4674 int conv_arg, MonoType **conv_arg_type,
4675 MarshalAction action)
4677 MonoMethodBuilder *mb = m->mb;
4678 MonoClass *klass = t->data.klass;
4682 case MARSHAL_ACTION_CONV_IN:
4683 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4684 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4686 m->orig_conv_args [argnum] = 0;
4688 if (klass->delegate) {
4689 g_assert (!t->byref);
4690 mono_mb_emit_ldarg (mb, argnum);
4691 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4692 mono_mb_emit_stloc (mb, conv_arg);
4693 } else if (klass == mono_defaults.stringbuilder_class) {
4694 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4695 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4697 g_assert (!t->byref);
4698 mono_mb_emit_ldarg (mb, argnum);
4701 mono_mb_emit_icall (mb, conv_to_icall (conv));
4703 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4704 MonoException *exc = mono_get_exception_not_implemented (msg);
4707 mono_raise_exception (exc);
4710 mono_mb_emit_stloc (mb, conv_arg);
4711 } else if (klass->blittable) {
4712 mono_mb_emit_ldarg (mb, argnum);
4713 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4714 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4715 mono_mb_emit_icon (mb, sizeof (MonoObject));
4716 mono_mb_emit_byte (mb, CEE_ADD);
4717 mono_mb_emit_stloc (mb, conv_arg);
4720 mono_mb_emit_byte (mb, CEE_LDNULL);
4721 mono_mb_emit_stloc (mb, conv_arg);
4724 /* we dont need any conversions for out parameters */
4725 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4728 mono_mb_emit_ldarg (mb, argnum);
4729 mono_mb_emit_byte (mb, CEE_LDIND_I);
4732 mono_mb_emit_ldarg (mb, argnum);
4733 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4734 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4737 /* store the address of the source into local variable 0 */
4738 mono_mb_emit_byte (mb, CEE_STLOC_0);
4739 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4740 mono_mb_emit_byte (mb, CEE_BRFALSE);
4742 mono_mb_emit_i4 (mb, 0);
4744 /* allocate space for the native struct and store the address */
4745 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4746 mono_mb_emit_byte (mb, CEE_PREFIX1);
4747 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4748 mono_mb_emit_stloc (mb, conv_arg);
4751 /* Need to store the original buffer so we can free it later */
4752 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4753 mono_mb_emit_ldloc (mb, conv_arg);
4754 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
4757 /* set the src_ptr */
4758 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4759 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4760 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4761 mono_mb_emit_icon (mb, sizeof (MonoObject));
4762 mono_mb_emit_byte (mb, CEE_ADD);
4763 mono_mb_emit_byte (mb, CEE_STLOC_0);
4766 mono_mb_emit_ldloc (mb, conv_arg);
4767 mono_mb_emit_byte (mb, CEE_STLOC_1);
4769 /* emit valuetype conversion code */
4770 emit_struct_conv (mb, klass, FALSE);
4772 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4776 case MARSHAL_ACTION_CONV_OUT:
4777 if (klass == mono_defaults.stringbuilder_class) {
4779 MonoMarshalNative encoding;
4780 MonoMarshalConv conv;
4782 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4783 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
4785 g_assert (!t->byref);
4786 g_assert (encoding != -1);
4788 mono_mb_emit_ldarg (mb, argnum);
4789 mono_mb_emit_ldloc (mb, conv_arg);
4791 mono_mb_emit_icall (mb, conv_to_icall (conv));
4794 mono_mb_emit_ldloc (mb, conv_arg);
4795 mono_mb_emit_icall (mb, mono_marshal_free);
4800 if (klass->delegate)
4803 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4804 /* allocate a new object */
4805 mono_mb_emit_ldarg (mb, argnum);
4806 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4807 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4808 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
4809 mono_mb_emit_byte (mb, CEE_STIND_I);
4812 /* dst = *argument */
4813 mono_mb_emit_ldarg (mb, argnum);
4816 mono_mb_emit_byte (mb, CEE_LDIND_I);
4818 mono_mb_emit_byte (mb, CEE_STLOC_1);
4820 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4821 mono_mb_emit_byte (mb, CEE_BRFALSE);
4823 mono_mb_emit_i4 (mb, 0);
4825 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4826 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4827 mono_mb_emit_icon (mb, sizeof (MonoObject));
4828 mono_mb_emit_byte (mb, CEE_ADD);
4829 mono_mb_emit_byte (mb, CEE_STLOC_1);
4831 /* src = tmp_locals [i] */
4832 mono_mb_emit_ldloc (mb, conv_arg);
4833 mono_mb_emit_byte (mb, CEE_STLOC_0);
4835 /* emit valuetype conversion code */
4836 emit_struct_conv (mb, t->data.klass, TRUE);
4838 /* Free the structure returned by the native code */
4839 emit_struct_free (mb, klass, conv_arg);
4841 if (m->orig_conv_args [argnum]) {
4843 * If the native function changed the pointer, then free
4844 * the original structure plus the new pointer.
4846 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
4847 mono_mb_emit_ldloc (mb, conv_arg);
4848 mono_mb_emit_byte (mb, CEE_BEQ);
4850 mono_mb_emit_i4 (mb, 0);
4852 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
4853 g_assert (m->orig_conv_args [argnum]);
4855 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
4858 mono_mb_emit_ldloc (mb, conv_arg);
4859 mono_mb_emit_icall (mb, g_free);
4861 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4865 /* Free the original structure passed to native code */
4866 emit_struct_free (mb, klass, conv_arg);
4868 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4871 case MARSHAL_ACTION_CONV_RESULT:
4872 if (klass->delegate) {
4873 g_assert (!t->byref);
4874 mono_mb_emit_byte (mb, CEE_STLOC_0);
4875 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4876 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
4877 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4878 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4879 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
4880 mono_mb_emit_byte (mb, CEE_STLOC_3);
4883 mono_mb_emit_byte (mb, CEE_STLOC_0);
4885 /* Make a copy since emit_conv modifies local 0 */
4886 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4887 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4888 mono_mb_emit_stloc (mb, loc);
4890 mono_mb_emit_byte (mb, CEE_LDNULL);
4891 mono_mb_emit_byte (mb, CEE_STLOC_3);
4893 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4894 mono_mb_emit_byte (mb, CEE_BRFALSE);
4896 mono_mb_emit_i4 (mb, 0);
4898 /* allocate result object */
4900 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4901 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4902 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4903 mono_mb_emit_byte (mb, CEE_STLOC_3);
4907 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4908 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4909 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4910 mono_mb_emit_icon (mb, sizeof (MonoObject));
4911 mono_mb_emit_byte (mb, CEE_ADD);
4912 mono_mb_emit_byte (mb, CEE_STLOC_1);
4914 /* emit conversion code */
4915 emit_struct_conv (mb, klass, TRUE);
4917 emit_struct_free (mb, klass, loc);
4919 /* Free the pointer allocated by unmanaged code */
4920 mono_mb_emit_ldloc (mb, loc);
4921 mono_mb_emit_icall (mb, g_free);
4922 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4926 case MARSHAL_ACTION_MANAGED_CONV_IN:
4927 conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
4929 if (klass->delegate) {
4930 g_assert (!t->byref);
4931 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4932 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
4933 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4934 mono_mb_emit_ldarg (mb, argnum);
4935 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
4936 mono_mb_emit_stloc (mb, conv_arg);
4940 /* The class can not have an automatic layout */
4941 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4942 mono_mb_emit_auto_layout_exception (mb, klass);
4946 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
4947 mono_mb_emit_byte (mb, CEE_LDNULL);
4948 mono_mb_emit_stloc (mb, conv_arg);
4953 mono_mb_emit_ldarg (mb, argnum);
4957 /* Check for NULL and raise an exception */
4958 mono_mb_emit_byte (mb, CEE_BRTRUE);
4960 mono_mb_emit_i4 (mb, 0);
4962 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
4964 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4965 mono_mb_emit_ldarg (mb, argnum);
4966 mono_mb_emit_byte (mb, CEE_LDIND_I);
4969 mono_mb_emit_byte (mb, CEE_STLOC_0);
4971 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4972 mono_mb_emit_stloc (mb, conv_arg);
4974 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4975 mono_mb_emit_byte (mb, CEE_BRFALSE);
4977 mono_mb_emit_i4 (mb, 0);
4979 /* Create and set dst */
4980 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4981 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4982 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4983 mono_mb_emit_stloc (mb, conv_arg);
4984 mono_mb_emit_ldloc (mb, conv_arg);
4985 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4986 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4987 mono_mb_emit_icon (mb, sizeof (MonoObject));
4988 mono_mb_emit_byte (mb, CEE_ADD);
4989 mono_mb_emit_byte (mb, CEE_STLOC_1);
4991 /* emit valuetype conversion code */
4992 emit_struct_conv (mb, klass, TRUE);
4994 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4997 case MARSHAL_ACTION_MANAGED_CONV_OUT:
4998 /* Check for null */
4999 mono_mb_emit_ldloc (mb, conv_arg);
5000 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5001 mono_mb_emit_ldarg (mb, argnum);
5002 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5003 mono_mb_emit_byte (mb, CEE_STIND_I);
5004 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5006 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5009 mono_mb_emit_ldloc (mb, conv_arg);
5010 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5011 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5012 mono_mb_emit_icon (mb, sizeof (MonoObject));
5013 mono_mb_emit_byte (mb, CEE_ADD);
5014 mono_mb_emit_byte (mb, CEE_STLOC_0);
5016 /* Allocate and set dest */
5017 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5018 mono_mb_emit_byte (mb, CEE_CONV_I);
5019 mono_mb_emit_icall (mb, mono_marshal_alloc);
5020 mono_mb_emit_byte (mb, CEE_STLOC_1);
5022 /* Update argument pointer */
5023 mono_mb_emit_ldarg (mb, argnum);
5024 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5025 mono_mb_emit_byte (mb, CEE_STIND_I);
5027 /* emit valuetype conversion code */
5028 emit_struct_conv (mb, klass, FALSE);
5030 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5033 case MARSHAL_ACTION_MANAGED_CONV_RESULT:
5034 if (klass->delegate) {
5035 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5036 mono_mb_emit_byte (mb, CEE_STLOC_3);
5040 /* The class can not have an automatic layout */
5041 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5042 mono_mb_emit_auto_layout_exception (mb, klass);
5046 mono_mb_emit_byte (mb, CEE_STLOC_0);
5047 /* Check for null */
5048 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5049 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
5050 mono_mb_emit_byte (mb, CEE_LDNULL);
5051 mono_mb_emit_byte (mb, CEE_STLOC_3);
5052 pos2 = mono_mb_emit_branch (mb, CEE_BR);
5054 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5057 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5058 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5059 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5060 mono_mb_emit_icon (mb, sizeof (MonoObject));
5061 mono_mb_emit_byte (mb, CEE_ADD);
5062 mono_mb_emit_byte (mb, CEE_STLOC_0);
5064 /* Allocate and set dest */
5065 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5066 mono_mb_emit_byte (mb, CEE_CONV_I);
5067 mono_mb_emit_icall (mb, mono_marshal_alloc);
5068 mono_mb_emit_byte (mb, CEE_DUP);
5069 mono_mb_emit_byte (mb, CEE_STLOC_1);
5070 mono_mb_emit_byte (mb, CEE_STLOC_3);
5072 emit_struct_conv (mb, klass, FALSE);
5074 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5078 g_assert_not_reached ();
5085 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5086 MonoMarshalSpec *spec,
5087 int conv_arg, MonoType **conv_arg_type,
5088 MarshalAction action)
5090 MonoMethodBuilder *mb = m->mb;
5091 MonoClass *klass = mono_class_from_mono_type (t);
5092 gboolean need_convert, need_free;
5093 MonoMarshalNative encoding;
5095 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5098 case MARSHAL_ACTION_CONV_IN:
5099 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5100 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5102 if (klass->element_class->blittable) {
5103 mono_mb_emit_ldarg (mb, argnum);
5105 mono_mb_emit_byte (mb, CEE_LDIND_I);
5106 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5107 mono_mb_emit_stloc (mb, conv_arg);
5111 guint32 label1, label2, label3;
5112 int index_var, src_var, dest_ptr, esize;
5113 MonoMarshalConv conv;
5114 gboolean is_string = FALSE;
5116 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5118 eklass = klass->element_class;
5120 if (eklass == mono_defaults.string_class) {
5122 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5124 else if (eklass == mono_defaults.stringbuilder_class) {
5126 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5131 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5132 mono_mb_emit_ldarg (mb, argnum);
5134 mono_mb_emit_byte (mb, CEE_LDIND_I);
5135 mono_mb_emit_stloc (mb, src_var);
5138 mono_mb_emit_ldloc (mb, src_var);
5139 mono_mb_emit_stloc (mb, conv_arg);
5140 mono_mb_emit_ldloc (mb, src_var);
5141 mono_mb_emit_byte (mb, CEE_BRFALSE);
5143 mono_mb_emit_i4 (mb, 0);
5147 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5148 MonoException *exc = mono_get_exception_not_implemented (msg);
5151 mono_raise_exception (exc);
5156 esize = sizeof (gpointer);
5158 esize = mono_class_native_size (eklass, NULL);
5160 /* allocate space for the native struct and store the address */
5161 mono_mb_emit_icon (mb, esize);
5162 mono_mb_emit_ldloc (mb, src_var);
5163 mono_mb_emit_byte (mb, CEE_LDLEN);
5165 if (eklass == mono_defaults.string_class) {
5166 /* Make the array bigger for the terminating null */
5167 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5168 mono_mb_emit_byte (mb, CEE_ADD);
5170 mono_mb_emit_byte (mb, CEE_MUL);
5171 mono_mb_emit_byte (mb, CEE_PREFIX1);
5172 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5173 mono_mb_emit_stloc (mb, conv_arg);
5175 mono_mb_emit_ldloc (mb, conv_arg);
5176 mono_mb_emit_stloc (mb, dest_ptr);
5178 /* Emit marshalling loop */
5179 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5180 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5181 mono_mb_emit_stloc (mb, index_var);
5183 mono_mb_emit_ldloc (mb, index_var);
5184 mono_mb_emit_ldloc (mb, src_var);
5185 mono_mb_emit_byte (mb, CEE_LDLEN);
5186 mono_mb_emit_byte (mb, CEE_BGE);
5188 mono_mb_emit_i4 (mb, 0);
5190 /* Emit marshalling code */
5193 mono_mb_emit_ldloc (mb, dest_ptr);
5194 mono_mb_emit_ldloc (mb, src_var);
5195 mono_mb_emit_ldloc (mb, index_var);
5196 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5197 mono_mb_emit_icall (mb, conv_to_icall (conv));
5198 mono_mb_emit_byte (mb, CEE_STIND_I);
5201 /* set the src_ptr */
5202 mono_mb_emit_ldloc (mb, src_var);
5203 mono_mb_emit_ldloc (mb, index_var);
5204 mono_mb_emit_byte (mb, CEE_LDELEMA);
5205 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5206 mono_mb_emit_byte (mb, CEE_STLOC_0);
5209 mono_mb_emit_ldloc (mb, dest_ptr);
5210 mono_mb_emit_byte (mb, CEE_STLOC_1);
5212 /* emit valuetype conversion code */
5213 emit_struct_conv (mb, eklass, FALSE);
5216 mono_mb_emit_add_to_local (mb, index_var, 1);
5217 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5219 mono_mb_emit_byte (mb, CEE_BR);
5220 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5222 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5224 if (eklass == mono_defaults.string_class) {
5225 /* Null terminate */
5226 mono_mb_emit_ldloc (mb, dest_ptr);
5227 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5228 mono_mb_emit_byte (mb, CEE_STIND_REF);
5231 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5236 case MARSHAL_ACTION_CONV_OUT:
5237 /* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
5238 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);
5239 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5242 if (need_convert || need_free) {
5243 /* FIXME: Optimize blittable case */
5245 guint32 label1, label2, label3;
5246 int index_var, src_ptr, loc, esize;
5248 eklass = klass->element_class;
5249 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5250 esize = sizeof (gpointer);
5252 esize = mono_class_native_size (eklass, NULL);
5253 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5254 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5257 mono_mb_emit_ldarg (mb, argnum);
5259 mono_mb_emit_byte (mb, CEE_LDIND_I);
5260 mono_mb_emit_byte (mb, CEE_BRFALSE);
5262 mono_mb_emit_i4 (mb, 0);
5264 mono_mb_emit_ldloc (mb, conv_arg);
5265 mono_mb_emit_stloc (mb, src_ptr);
5267 /* Emit marshalling loop */
5268 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5269 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5270 mono_mb_emit_stloc (mb, index_var);
5272 mono_mb_emit_ldloc (mb, index_var);
5273 mono_mb_emit_ldarg (mb, argnum);
5275 mono_mb_emit_byte (mb, CEE_LDIND_I);
5276 mono_mb_emit_byte (mb, CEE_LDLEN);
5277 mono_mb_emit_byte (mb, CEE_BGE);
5279 mono_mb_emit_i4 (mb, 0);
5281 /* Emit marshalling code */
5283 if (eklass == mono_defaults.stringbuilder_class) {
5284 gboolean need_free2;
5285 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5287 g_assert (conv != -1);
5290 mono_mb_emit_ldarg (mb, argnum);
5292 mono_mb_emit_byte (mb, CEE_LDIND_I);
5293 mono_mb_emit_ldloc (mb, index_var);
5294 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5297 mono_mb_emit_ldloc (mb, src_ptr);
5298 mono_mb_emit_byte (mb, CEE_LDIND_I);
5300 mono_mb_emit_icall (mb, conv_to_icall (conv));
5304 mono_mb_emit_ldloc (mb, src_ptr);
5305 mono_mb_emit_byte (mb, CEE_LDIND_I);
5307 mono_mb_emit_icall (mb, mono_marshal_free);
5310 else if (eklass == mono_defaults.string_class) {
5313 mono_mb_emit_ldloc (mb, src_ptr);
5314 mono_mb_emit_byte (mb, CEE_LDIND_I);
5316 mono_mb_emit_icall (mb, mono_marshal_free);
5321 /* set the src_ptr */
5322 mono_mb_emit_ldloc (mb, src_ptr);
5323 mono_mb_emit_byte (mb, CEE_STLOC_0);
5326 mono_mb_emit_ldarg (mb, argnum);
5328 mono_mb_emit_byte (mb, CEE_LDIND_I);
5329 mono_mb_emit_ldloc (mb, index_var);
5330 mono_mb_emit_byte (mb, CEE_LDELEMA);
5331 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5332 mono_mb_emit_byte (mb, CEE_STLOC_1);
5334 /* emit valuetype conversion code */
5335 emit_struct_conv (mb, eklass, TRUE);
5339 mono_mb_emit_ldloc (mb, src_ptr);
5340 mono_mb_emit_stloc (mb, loc);
5341 mono_mb_emit_ldloc (mb, loc);
5343 emit_struct_free (mb, eklass, loc);
5347 mono_mb_emit_add_to_local (mb, index_var, 1);
5348 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5350 mono_mb_emit_byte (mb, CEE_BR);
5351 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5353 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5354 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5358 case MARSHAL_ACTION_CONV_RESULT:
5359 /* fixme: we need conversions here */
5360 mono_mb_emit_byte (mb, CEE_STLOC_3);
5363 case MARSHAL_ACTION_MANAGED_CONV_IN: {
5365 guint32 label1, label2, label3;
5366 int index_var, src_ptr, loc, esize, param_num, num_elem;
5367 MonoMarshalConv conv;
5368 gboolean is_string = FALSE;
5370 conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5371 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5374 char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
5375 mono_mb_emit_exception_marshal_directive (mb, msg);
5378 if (spec->native != MONO_NATIVE_LPARRAY) {
5379 char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
5380 mono_mb_emit_exception_marshal_directive (mb, msg);
5384 /* FIXME: t is from the method which is wrapped, not the delegate type */
5385 /* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
5387 param_num = spec->data.array_data.param_num;
5388 num_elem = spec->data.array_data.num_elem;
5389 if (spec->data.array_data.elem_mult == 0)
5390 /* param_num is not specified */
5393 if (param_num == -1) {
5394 if (num_elem <= 0) {
5395 char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
5396 mono_mb_emit_exception_marshal_directive (mb, msg);
5401 /* FIXME: Optimize blittable case */
5403 eklass = klass->element_class;
5404 if (eklass == mono_defaults.string_class) {
5406 conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
5408 else if (eklass == mono_defaults.stringbuilder_class) {
5410 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5415 mono_marshal_load_type_info (eklass);
5418 esize = sizeof (gpointer);
5420 esize = mono_class_native_size (eklass, NULL);
5421 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5422 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5424 mono_mb_emit_byte (mb, CEE_LDNULL);
5425 mono_mb_emit_stloc (mb, conv_arg);
5427 /* Check param index */
5428 if (param_num != -1) {
5429 if (param_num >= m->sig->param_count) {
5430 char *msg = g_strdup ("Array size control parameter index is out of range.");
5431 mono_mb_emit_exception_marshal_directive (mb, msg);
5434 switch (m->sig->params [param_num]->type) {
5447 char *msg = g_strdup ("Array size control parameter must be an integral type.");
5448 mono_mb_emit_exception_marshal_directive (mb, msg);
5455 mono_mb_emit_ldarg (mb, argnum);
5456 mono_mb_emit_byte (mb, CEE_BRFALSE);
5458 mono_mb_emit_i4 (mb, 0);
5460 mono_mb_emit_ldarg (mb, argnum);
5461 mono_mb_emit_stloc (mb, src_ptr);
5463 /* Create managed array */
5465 * The LPArray marshalling spec says that sometimes param_num starts
5466 * from 1, sometimes it starts from 0. But MS seems to allways start
5470 if (param_num == -1)
5471 mono_mb_emit_icon (mb, num_elem);
5473 /* FIXME: Add the two together */
5474 mono_mb_emit_ldarg (mb, param_num);
5476 mono_mb_emit_icon (mb, num_elem);
5477 mono_mb_emit_byte (mb, CEE_ADD);
5481 mono_mb_emit_byte (mb, CEE_NEWARR);
5482 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5483 mono_mb_emit_stloc (mb, conv_arg);
5485 if (eklass->blittable) {
5486 mono_mb_emit_ldloc (mb, conv_arg);
5487 mono_mb_emit_byte (mb, CEE_CONV_I);
5488 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
5489 mono_mb_emit_byte (mb, CEE_ADD);
5490 mono_mb_emit_ldarg (mb, argnum);
5491 mono_mb_emit_ldloc (mb, conv_arg);
5492 mono_mb_emit_byte (mb, CEE_LDLEN);
5493 mono_mb_emit_icon (mb, esize);
5494 mono_mb_emit_byte (mb, CEE_MUL);
5495 mono_mb_emit_byte (mb, CEE_PREFIX1);
5496 mono_mb_emit_byte (mb, CEE_CPBLK);
5500 /* Emit marshalling loop */
5501 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5502 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5503 mono_mb_emit_stloc (mb, index_var);
5505 mono_mb_emit_ldloc (mb, index_var);
5506 mono_mb_emit_ldloc (mb, conv_arg);
5507 mono_mb_emit_byte (mb, CEE_LDLEN);
5508 mono_mb_emit_byte (mb, CEE_BGE);
5510 mono_mb_emit_i4 (mb, 0);
5512 /* Emit marshalling code */
5514 g_assert (conv != -1);
5516 mono_mb_emit_ldloc (mb, conv_arg);
5517 mono_mb_emit_ldloc (mb, index_var);
5519 mono_mb_emit_ldloc (mb, src_ptr);
5520 mono_mb_emit_byte (mb, CEE_LDIND_I);
5522 mono_mb_emit_icall (mb, conv_to_icall (conv));
5523 mono_mb_emit_byte (mb, CEE_STELEM_REF);
5526 char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
5527 mono_mb_emit_exception_marshal_directive (mb, msg);
5531 mono_mb_emit_add_to_local (mb, index_var, 1);
5532 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5534 mono_mb_emit_byte (mb, CEE_BR);
5535 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5537 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5538 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5543 g_assert_not_reached ();
5550 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5551 MonoMarshalSpec *spec,
5552 int conv_arg, MonoType **conv_arg_type,
5553 MarshalAction action)
5555 MonoMethodBuilder *mb = m->mb;
5558 case MARSHAL_ACTION_CONV_IN: {
5559 MonoType *local_type;
5560 int variant_bool = 0;
5564 local_type = &mono_defaults.int32_class->byval_arg;
5566 switch (spec->native) {
5567 case MONO_NATIVE_I1:
5568 local_type = &mono_defaults.byte_class->byval_arg;
5570 case MONO_NATIVE_VARIANTBOOL:
5571 local_type = &mono_defaults.int16_class->byval_arg;
5575 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5576 local_type = &mono_defaults.int32_class->byval_arg;
5580 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5581 conv_arg = mono_mb_add_local (mb, local_type);
5582 mono_mb_emit_ldarg (mb, argnum);
5583 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5585 mono_mb_emit_byte (mb, CEE_NEG);
5586 mono_mb_emit_stloc (mb, conv_arg);
5590 case MARSHAL_ACTION_CONV_RESULT:
5591 /* maybe we need to make sure that it fits within 8 bits */
5592 mono_mb_emit_byte (mb, CEE_STLOC_3);
5596 g_assert_not_reached ();
5603 emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
5604 MonoMarshalSpec *spec, int conv_arg,
5605 MonoType **conv_arg_type, MarshalAction action)
5608 case MARSHAL_ACTION_CONV_IN:
5609 if (MONO_TYPE_ISSTRUCT (t->data.type)) {
5610 char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
5611 mono_mb_emit_exception_marshal_directive (m->mb, msg);
5622 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5623 MonoMarshalSpec *spec, int conv_arg,
5624 MonoType **conv_arg_type, MarshalAction action)
5626 /* Ensure that we have marshalling info for this param */
5627 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5629 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5630 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5632 if (spec && spec->native == MONO_NATIVE_ASANY)
5633 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5636 case MONO_TYPE_VALUETYPE:
5637 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5638 case MONO_TYPE_STRING:
5639 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5640 case MONO_TYPE_CLASS:
5641 case MONO_TYPE_OBJECT:
5642 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5643 case MONO_TYPE_ARRAY:
5644 case MONO_TYPE_SZARRAY:
5645 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5646 case MONO_TYPE_BOOLEAN:
5647 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5649 return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5656 * mono_marshal_emit_native_wrapper:
5657 * @sig: The signature of the native function
5658 * @piinfo: Marshalling information
5659 * @mspecs: Marshalling information
5660 * @func: the native function to call
5662 * generates IL code for the pinvoke wrapper, the generated code calls @func.
5665 mono_marshal_emit_native_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
5667 EmitMarshalContext m;
5668 MonoMethodSignature *csig;
5670 int i, argnum, *tmp_locals;
5676 /* we copy the signature, so that we can set pinvoke to 0 */
5677 csig = mono_metadata_signature_dup (sig);
5680 /* we allocate local for use with emit_struct_conv() */
5681 /* allocate local 0 (pointer) src_ptr */
5682 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5683 /* allocate local 1 (pointer) dst_ptr */
5684 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5685 /* allocate local 2 (boolean) delete_old */
5686 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5688 /* delete_old = FALSE */
5689 mono_mb_emit_icon (mb, 0);
5690 mono_mb_emit_byte (mb, CEE_STLOC_2);
5692 if (!MONO_TYPE_IS_VOID(sig->ret)) {
5693 /* allocate local 3 to store the return value */
5694 mono_mb_add_local (mb, sig->ret);
5697 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
5698 /* Return type custom marshaling */
5700 * Since we can't determine the return type of the unmanaged function,
5701 * we assume it returns a pointer, and pass that pointer to
5702 * MarshalNativeToManaged.
5704 csig->ret = &mono_defaults.int_class->byval_arg;
5707 /* we first do all conversions */
5708 tmp_locals = alloca (sizeof (int) * sig->param_count);
5709 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
5711 for (i = 0; i < sig->param_count; i ++) {
5712 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
5715 /* push all arguments */
5718 mono_mb_emit_byte (mb, CEE_LDARG_0);
5720 for (i = 0; i < sig->param_count; i++) {
5721 MonoType *t = sig->params [i];
5722 MonoMarshalSpec *spec = mspecs [i + 1];
5724 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
5725 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5727 argnum = i + sig->hasthis;
5730 case MONO_TYPE_BOOLEAN:
5732 g_assert (tmp_locals [i]);
5733 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5735 mono_mb_emit_ldarg (mb, argnum);
5750 mono_mb_emit_ldarg (mb, argnum);
5752 case MONO_TYPE_VALUETYPE:
5753 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5755 case MONO_TYPE_STRING:
5756 case MONO_TYPE_CLASS:
5757 case MONO_TYPE_OBJECT:
5758 case MONO_TYPE_ARRAY:
5759 case MONO_TYPE_SZARRAY:
5760 g_assert (tmp_locals [i]);
5762 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5764 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5766 case MONO_TYPE_CHAR:
5767 /* fixme: dont know how to marshal that. We cant simply
5768 * convert it to a one byte UTF8 character, because an
5769 * unicode character may need more that one byte in UTF8 */
5770 mono_mb_emit_ldarg (mb, argnum);
5772 case MONO_TYPE_TYPEDBYREF:
5773 case MONO_TYPE_FNPTR:
5775 g_warning ("type 0x%02x unknown", t->type);
5776 g_assert_not_reached ();
5781 /* call the native method */
5782 mono_mb_emit_native_call (mb, csig, func);
5784 /* Set LastError if needed */
5785 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
5786 MonoMethodSignature *lasterr_sig;
5788 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5789 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
5790 lasterr_sig->pinvoke = 1;
5792 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
5795 /* convert the result */
5796 if (!sig->ret->byref) {
5797 MonoMarshalSpec *spec = mspecs [0];
5798 type = sig->ret->type;
5800 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
5801 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5806 case MONO_TYPE_VOID:
5821 /* no conversions necessary */
5822 mono_mb_emit_byte (mb, CEE_STLOC_3);
5824 case MONO_TYPE_VALUETYPE:
5825 klass = sig->ret->data.klass;
5826 if (klass->enumtype) {
5827 type = sig->ret->data.klass->enum_basetype->type;
5830 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5832 case MONO_TYPE_STRING:
5833 case MONO_TYPE_CLASS:
5834 case MONO_TYPE_OBJECT:
5835 case MONO_TYPE_BOOLEAN:
5836 case MONO_TYPE_ARRAY:
5837 case MONO_TYPE_SZARRAY:
5838 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5840 case MONO_TYPE_CHAR:
5841 /* fixme: we need conversions here */
5842 mono_mb_emit_byte (mb, CEE_STLOC_3);
5844 case MONO_TYPE_TYPEDBYREF:
5845 case MONO_TYPE_FNPTR:
5847 g_warning ("return type 0x%02x unknown", sig->ret->type);
5848 g_assert_not_reached ();
5852 mono_mb_emit_byte (mb, CEE_STLOC_3);
5856 * Need to call this after converting the result since MONO_VTADDR needs
5857 * to be adjacent to the call instruction.
5859 emit_thread_interrupt_checkpoint (mb);
5861 /* we need to convert byref arguments back and free string arrays */
5862 for (i = 0; i < sig->param_count; i++) {
5863 MonoType *t = sig->params [i];
5864 MonoMarshalSpec *spec = mspecs [i + 1];
5866 argnum = i + sig->hasthis;
5868 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
5869 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5874 case MONO_TYPE_STRING:
5875 case MONO_TYPE_VALUETYPE:
5876 case MONO_TYPE_CLASS:
5877 case MONO_TYPE_OBJECT:
5878 case MONO_TYPE_SZARRAY:
5879 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5881 case MONO_TYPE_BOOLEAN:
5884 mono_mb_emit_ldarg (mb, argnum);
5885 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5886 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
5887 mono_mb_emit_byte (mb, CEE_NEG);
5888 mono_mb_emit_byte (mb, CEE_STIND_I1);
5892 if (!MONO_TYPE_IS_VOID(sig->ret))
5893 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5895 mono_mb_emit_byte (mb, CEE_RET);
5899 * mono_marshal_get_native_wrapper:
5900 * @method: The MonoMethod to wrap.
5902 * generates IL code for the pinvoke wrapper (the generated method
5903 * calls the unmanaged code in piinfo->addr)
5906 mono_marshal_get_native_wrapper (MonoMethod *method)
5908 MonoMethodSignature *sig, *csig;
5909 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5910 MonoMethodBuilder *mb;
5911 MonoMarshalSpec **mspecs;
5914 gboolean pinvoke = FALSE;
5916 const char *exc_class = "MissingMethodException";
5917 const char *exc_arg = NULL;
5919 g_assert (method != NULL);
5920 g_assert (mono_method_signature (method)->pinvoke);
5922 cache = method->klass->image->native_wrapper_cache;
5923 if ((res = mono_marshal_find_in_cache (cache, method)))
5926 sig = mono_method_signature (method);
5928 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5929 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5932 if (!piinfo->addr) {
5934 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
5936 piinfo->addr = mono_lookup_internal_call (method);
5939 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5941 mb->method->save_lmf = 1;
5943 if (!piinfo->addr) {
5944 mono_mb_emit_exception (mb, exc_class, exc_arg);
5945 csig = mono_metadata_signature_dup (sig);
5947 res = mono_mb_create_and_cache (cache, method,
5948 mb, csig, csig->param_count + 16);
5953 /* internal calls: we simply push all arguments and call the method (no conversions) */
5954 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5956 /* hack - string constructors returns a value */
5957 if (method->string_ctor) {
5958 csig = mono_metadata_signature_dup (sig);
5959 csig->ret = &mono_defaults.string_class->byval_arg;
5964 mono_mb_emit_byte (mb, CEE_LDARG_0);
5966 for (i = 0; i < sig->param_count; i++)
5967 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5969 g_assert (piinfo->addr);
5970 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5971 emit_thread_interrupt_checkpoint (mb);
5972 mono_mb_emit_byte (mb, CEE_RET);
5974 csig = mono_metadata_signature_dup (csig);
5976 res = mono_mb_create_and_cache (cache, method,
5977 mb, csig, csig->param_count + 16);
5984 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
5985 mono_method_get_marshal_info (method, mspecs);
5987 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, piinfo->addr);
5989 csig = mono_metadata_signature_dup (sig);
5991 res = mono_mb_create_and_cache (cache, method,
5992 mb, csig, csig->param_count + 16);
5995 for (i = sig->param_count; i >= 0; i--)
5997 mono_metadata_free_marshal_spec (mspecs [i]);
6000 /* 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)); */
6006 * mono_marshal_get_native_func_wrapper:
6007 * @sig: The signature of the function
6008 * @func: The native function to wrap
6010 * Returns a wrapper method around native functions, similar to the pinvoke
6014 mono_marshal_get_native_func_wrapper (MonoMethodSignature *sig,
6015 MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
6017 MonoMethodSignature *csig;
6019 MonoMethodBuilder *mb;
6024 cache = mono_defaults.corlib->native_wrapper_cache;
6025 if ((res = mono_marshal_find_in_cache (cache, func)))
6028 name = g_strdup_printf ("wrapper_native_%p", func);
6029 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
6030 mb->method->save_lmf = 1;
6032 mono_marshal_emit_native_wrapper (mb, sig, piinfo, mspecs, func);
6034 csig = mono_metadata_signature_dup (sig);
6036 res = mono_mb_create_and_cache (cache, func,
6037 mb, csig, csig->param_count + 16);
6040 /* 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)); */
6046 * generates IL code to call managed methods from unmanaged code
6049 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
6051 MonoMethodSignature *sig, *csig;
6052 MonoMethodBuilder *mb;
6056 EmitMarshalContext m;
6058 g_assert (method != NULL);
6059 g_assert (!mono_method_signature (method)->pinvoke);
6062 * FIXME: Should cache the method+delegate type pair, since the same method
6063 * could be called with different delegates, thus different marshalling
6066 cache = method->klass->image->managed_wrapper_cache;
6067 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
6070 sig = mono_method_signature (method);
6072 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
6074 /* allocate local 0 (pointer) src_ptr */
6075 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6076 /* allocate local 1 (pointer) dst_ptr */
6077 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6078 /* allocate local 2 (boolean) delete_old */
6079 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6081 if (!MONO_TYPE_IS_VOID(sig->ret)) {
6082 /* allocate local 3 to store the return value */
6083 mono_mb_add_local (mb, sig->ret);
6086 mono_mb_emit_icon (mb, 0);
6087 mono_mb_emit_byte (mb, CEE_STLOC_2);
6089 /* we copy the signature, so that we can modify it */
6090 csig = mono_metadata_signature_dup (sig);
6094 #ifdef PLATFORM_WIN32
6096 * Under windows, delegates passed to native code must use the STDCALL
6097 * calling convention.
6099 csig->call_convention = MONO_CALL_STDCALL;
6102 /* fixme: howto handle this ? */
6105 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6106 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6107 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
6110 g_assert_not_reached ();
6119 /* we first do all conversions */
6120 tmp_locals = alloca (sizeof (int) * sig->param_count);
6121 for (i = 0; i < sig->param_count; i ++) {
6122 MonoType *t = sig->params [i];
6125 case MONO_TYPE_OBJECT:
6126 case MONO_TYPE_CLASS:
6127 case MONO_TYPE_VALUETYPE:
6128 case MONO_TYPE_ARRAY:
6129 case MONO_TYPE_SZARRAY:
6130 case MONO_TYPE_STRING:
6131 tmp_locals [i] = emit_marshal (&m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
6140 emit_thread_interrupt_checkpoint (mb);
6142 for (i = 0; i < sig->param_count; i++) {
6143 MonoType *t = sig->params [i];
6145 if (tmp_locals [i]) {
6147 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
6149 mono_mb_emit_ldloc (mb, tmp_locals [i]);
6152 mono_mb_emit_ldarg (mb, i);
6155 mono_mb_emit_managed_call (mb, method, NULL);
6157 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
6158 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6161 if (!sig->ret->byref) {
6162 switch (sig->ret->type) {
6163 case MONO_TYPE_VOID:
6165 case MONO_TYPE_BOOLEAN:
6179 case MONO_TYPE_OBJECT:
6180 mono_mb_emit_byte (mb, CEE_STLOC_3);
6182 case MONO_TYPE_STRING:
6183 csig->ret = &mono_defaults.int_class->byval_arg;
6184 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6186 case MONO_TYPE_VALUETYPE:
6187 case MONO_TYPE_CLASS:
6188 emit_marshal (&m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
6191 g_warning ("return type 0x%02x unknown", sig->ret->type);
6192 g_assert_not_reached ();
6195 mono_mb_emit_byte (mb, CEE_STLOC_3);
6198 /* Convert byref arguments back */
6199 for (i = 0; i < sig->param_count; i ++) {
6200 MonoType *t = sig->params [i];
6201 MonoMarshalSpec *spec = mspecs [i + 1];
6203 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
6204 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6206 else if (t->byref) {
6208 case MONO_TYPE_CLASS:
6209 case MONO_TYPE_VALUETYPE:
6210 emit_marshal (&m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
6217 mono_mb_emit_ldloc (mb, m.retobj_var);
6218 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6219 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
6220 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, m.retobj_class));
6223 if (!MONO_TYPE_IS_VOID(sig->ret))
6224 mono_mb_emit_byte (mb, CEE_LDLOC_3);
6225 mono_mb_emit_byte (mb, CEE_RET);
6229 res = mono_mb_create_and_cache (cache, method,
6230 mb, csig, sig->param_count + 16);
6232 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
6237 /* 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)); */
6243 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
6245 static MonoReflectionType *
6246 type_from_handle (MonoType *handle)
6248 MonoDomain *domain = mono_domain_get ();
6249 MonoClass *klass = mono_class_from_mono_type (handle);
6251 MONO_ARCH_SAVE_REGS;
6253 mono_class_init (klass);
6254 return mono_type_get_object (domain, handle);
6258 * mono_marshal_get_isinst:
6259 * @klass: the type of the field
6261 * This method generates a function which can be used to check if an object is
6262 * an instance of the given type, icluding the case where the object is a proxy.
6263 * The generated function has the following signature:
6264 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
6267 mono_marshal_get_isinst (MonoClass *klass)
6269 static MonoMethodSignature *isint_sig = NULL;
6270 static GHashTable *isinst_hash = NULL;
6272 int pos_was_ok, pos_failed, pos_end, pos_end2;
6274 MonoMethodBuilder *mb;
6276 EnterCriticalSection (&marshal_mutex);
6278 isinst_hash = g_hash_table_new (NULL, NULL);
6280 res = g_hash_table_lookup (isinst_hash, klass);
6281 LeaveCriticalSection (&marshal_mutex);
6286 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6287 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6288 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6289 isint_sig->pinvoke = 0;
6292 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
6293 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
6296 mb->method->save_lmf = 1;
6298 /* check if the object is a proxy that needs special cast */
6299 mono_mb_emit_ldarg (mb, 0);
6300 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6301 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
6302 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6304 /* The result of MONO_ISINST can be:
6305 0) the type check succeeded
6306 1) the type check did not succeed
6307 2) a CanCastTo call is needed */
6309 mono_mb_emit_byte (mb, CEE_DUP);
6310 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6312 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
6313 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
6315 /* get the real proxy from the transparent proxy*/
6317 mono_mb_emit_ldarg (mb, 0);
6318 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6319 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6323 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6324 mono_mb_emit_byte (mb, CEE_LDNULL);
6325 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
6329 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6330 mono_mb_emit_byte (mb, CEE_POP);
6331 mono_mb_emit_ldarg (mb, 0);
6335 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6336 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
6337 mono_mb_emit_byte (mb, CEE_RET);
6339 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6346 * mono_marshal_get_castclass:
6347 * @klass: the type of the field
6349 * This method generates a function which can be used to cast an object to
6350 * an instance of the given type, icluding the case where the object is a proxy.
6351 * The generated function has the following signature:
6352 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6355 mono_marshal_get_castclass (MonoClass *klass)
6357 static MonoMethodSignature *castclass_sig = NULL;
6358 static GHashTable *castclass_hash = NULL;
6360 int pos_was_ok, pos_was_ok2;
6362 MonoMethodBuilder *mb;
6364 EnterCriticalSection (&marshal_mutex);
6365 if (!castclass_hash)
6366 castclass_hash = g_hash_table_new (NULL, NULL);
6368 res = g_hash_table_lookup (castclass_hash, klass);
6369 LeaveCriticalSection (&marshal_mutex);
6373 if (!castclass_sig) {
6374 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6375 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6376 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6377 castclass_sig->pinvoke = 0;
6380 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6381 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6384 mb->method->save_lmf = 1;
6386 /* check if the object is a proxy that needs special cast */
6387 mono_mb_emit_ldarg (mb, 0);
6388 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6389 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6390 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6392 /* The result of MONO_ISINST can be:
6393 0) the cast is valid
6394 1) cast of unknown proxy type
6395 or an exception if the cast is is invalid
6398 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6400 /* get the real proxy from the transparent proxy*/
6402 mono_mb_emit_ldarg (mb, 0);
6403 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6404 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6407 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6410 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6411 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6412 mono_mb_emit_ldarg (mb, 0);
6415 mono_mb_emit_byte (mb, CEE_RET);
6417 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6424 mono_marshal_get_proxy_cancast (MonoClass *klass)
6426 static MonoMethodSignature *from_handle_sig = NULL;
6427 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6428 static MonoMethodSignature *isint_sig = NULL;
6429 static GHashTable *proxy_isinst_hash = NULL;
6431 int pos_failed, pos_end;
6433 MonoMethod *can_cast_to;
6434 MonoMethodDesc *desc;
6435 MonoMethodBuilder *mb;
6437 EnterCriticalSection (&marshal_mutex);
6438 if (!proxy_isinst_hash)
6439 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6441 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6442 LeaveCriticalSection (&marshal_mutex);
6447 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6448 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6449 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6450 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6451 upgrade_proxy_sig->pinvoke = 1;
6453 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6454 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6455 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6457 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6458 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6459 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6460 isint_sig->pinvoke = 0;
6463 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6464 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6467 mb->method->save_lmf = 1;
6469 /* get the real proxy from the transparent proxy*/
6470 mono_mb_emit_ldarg (mb, 0);
6471 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6472 mono_mb_emit_byte (mb, CEE_LDIND_I);
6474 /* get the refletion type from the type handle */
6475 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6476 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6477 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6478 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6480 mono_mb_emit_ldarg (mb, 0);
6482 /* make the call to CanCastTo (type, ob) */
6483 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6484 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6485 g_assert (can_cast_to);
6486 mono_method_desc_free (desc);
6487 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6488 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6491 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6493 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6494 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6495 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6496 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6497 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6498 mono_mb_emit_ldarg (mb, 0);
6500 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6501 emit_thread_interrupt_checkpoint (mb);
6503 mono_mb_emit_ldarg (mb, 0);
6504 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6508 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6509 mono_mb_emit_byte (mb, CEE_LDNULL);
6513 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6514 mono_mb_emit_byte (mb, CEE_RET);
6516 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6523 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6526 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6527 klass = mono_class_from_mono_type (rtype->type);
6528 mono_upgrade_remote_class (domain, tproxy->remote_class, klass);
6529 ((MonoObject*)tproxy)->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
6533 * mono_marshal_get_struct_to_ptr:
6536 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6539 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6541 MonoMethodBuilder *mb;
6542 static MonoMethod *stoptr = NULL;
6545 g_assert (klass != NULL);
6547 mono_marshal_load_type_info (klass);
6549 if (klass->marshal_info->str_to_ptr)
6550 return klass->marshal_info->str_to_ptr;
6553 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6556 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6558 if (klass->blittable) {
6559 mono_mb_emit_byte (mb, CEE_LDARG_1);
6560 mono_mb_emit_byte (mb, CEE_LDARG_0);
6561 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6562 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6563 mono_mb_emit_byte (mb, CEE_PREFIX1);
6564 mono_mb_emit_byte (mb, CEE_CPBLK);
6567 /* allocate local 0 (pointer) src_ptr */
6568 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6569 /* allocate local 1 (pointer) dst_ptr */
6570 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6571 /* allocate local 2 (boolean) delete_old */
6572 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6573 mono_mb_emit_byte (mb, CEE_LDARG_2);
6574 mono_mb_emit_byte (mb, CEE_STLOC_2);
6576 /* initialize src_ptr to point to the start of object data */
6577 mono_mb_emit_byte (mb, CEE_LDARG_0);
6578 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6579 mono_mb_emit_byte (mb, CEE_STLOC_0);
6581 /* initialize dst_ptr */
6582 mono_mb_emit_byte (mb, CEE_LDARG_1);
6583 mono_mb_emit_byte (mb, CEE_STLOC_1);
6585 emit_struct_conv (mb, klass, FALSE);
6588 mono_mb_emit_byte (mb, CEE_RET);
6590 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
6593 klass->marshal_info->str_to_ptr = res;
6598 * mono_marshal_get_ptr_to_struct:
6601 * generates IL code for PtrToStructure (IntPtr src, object structure)
6604 mono_marshal_get_ptr_to_struct (MonoClass *klass)
6606 MonoMethodBuilder *mb;
6607 static MonoMethod *ptostr = NULL;
6610 g_assert (klass != NULL);
6612 mono_marshal_load_type_info (klass);
6614 if (klass->marshal_info->ptr_to_str)
6615 return klass->marshal_info->ptr_to_str;
6618 ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
6621 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
6623 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
6624 mono_mb_emit_byte (mb, CEE_LDARG_1);
6625 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6626 mono_mb_emit_byte (mb, CEE_LDARG_0);
6627 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6628 mono_mb_emit_byte (mb, CEE_PREFIX1);
6629 mono_mb_emit_byte (mb, CEE_CPBLK);
6632 /* allocate local 0 (pointer) src_ptr */
6633 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6634 /* allocate local 1 (pointer) dst_ptr */
6635 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6637 /* initialize src_ptr to point to the start of object data */
6638 mono_mb_emit_byte (mb, CEE_LDARG_0);
6639 mono_mb_emit_byte (mb, CEE_STLOC_0);
6641 /* initialize dst_ptr */
6642 mono_mb_emit_byte (mb, CEE_LDARG_1);
6643 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6644 mono_mb_emit_byte (mb, CEE_STLOC_1);
6646 emit_struct_conv (mb, klass, TRUE);
6649 mono_mb_emit_byte (mb, CEE_RET);
6651 res = mono_mb_create_method (mb, mono_method_signature (ptostr), 0);
6654 klass->marshal_info->ptr_to_str = res;
6659 * generates IL code for the synchronized wrapper: the generated method
6660 * calls METHOD while locking 'this' or the parent type.
6663 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
6665 static MonoMethodSignature *from_handle_sig = NULL;
6666 static MonoMethod *enter_method, *exit_method;
6667 MonoMethodSignature *sig;
6668 MonoExceptionClause *clause;
6669 MonoMethodHeader *header;
6670 MonoMethodBuilder *mb;
6673 int i, pos, this_local, ret_local = 0;
6677 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
6680 cache = method->klass->image->synchronized_cache;
6681 if ((res = mono_marshal_find_in_cache (cache, method)))
6684 sig = signature_no_pinvoke (mono_method_signature (method));
6686 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
6689 if (!MONO_TYPE_IS_VOID (sig->ret))
6690 ret_local = mono_mb_add_local (mb, sig->ret);
6693 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6695 clause = g_new0 (MonoExceptionClause, 1);
6696 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
6698 if (!enter_method) {
6699 MonoMethodDesc *desc;
6701 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
6702 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6703 g_assert (enter_method);
6704 mono_method_desc_free (desc);
6705 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
6706 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6707 g_assert (exit_method);
6708 mono_method_desc_free (desc);
6711 * GetTypeFromHandle isn't called as a managed method because it has
6712 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
6713 * transformed into something else by the JIT.
6715 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6716 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6717 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6720 /* Push this or the type object */
6721 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
6722 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6723 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6724 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
6725 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6728 mono_mb_emit_ldarg (mb, 0);
6729 mono_mb_emit_stloc (mb, this_local);
6731 /* Call Monitor::Enter() */
6732 mono_mb_emit_ldloc (mb, this_local);
6733 mono_mb_emit_managed_call (mb, enter_method, NULL);
6735 clause->try_offset = mb->pos;
6737 /* Call the method */
6739 mono_mb_emit_ldarg (mb, 0);
6740 for (i = 0; i < sig->param_count; i++)
6741 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
6743 /* this is needed to avoid recursion */
6744 mono_mb_emit_byte (mb, CEE_PREFIX1);
6745 mono_mb_emit_byte (mb, CEE_LDFTN);
6746 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
6747 mono_mb_emit_calli (mb, mono_method_signature (method));
6749 if (!MONO_TYPE_IS_VOID (sig->ret))
6750 mono_mb_emit_stloc (mb, ret_local);
6752 mono_mb_emit_byte (mb, CEE_LEAVE);
6754 mono_mb_emit_i4 (mb, 0);
6756 clause->try_len = mb->pos - clause->try_offset;
6757 clause->handler_offset = mb->pos;
6759 /* Call Monitor::Exit() */
6760 mono_mb_emit_ldloc (mb, this_local);
6761 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
6762 mono_mb_emit_managed_call (mb, exit_method, NULL);
6763 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
6765 clause->handler_len = mb->pos - clause->handler_offset;
6767 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6768 if (!MONO_TYPE_IS_VOID (sig->ret))
6769 mono_mb_emit_ldloc (mb, ret_local);
6770 mono_mb_emit_byte (mb, CEE_RET);
6772 res = mono_mb_create_and_cache (cache, method,
6773 mb, sig, sig->param_count + 16);
6776 header = ((MonoMethodNormal *)res)->header;
6777 header->num_clauses = 1;
6778 header->clauses = clause;
6785 * the returned method calls 'method' unboxing the this argument
6788 mono_marshal_get_unbox_wrapper (MonoMethod *method)
6790 MonoMethodSignature *sig = mono_method_signature (method);
6792 MonoMethodBuilder *mb;
6796 cache = method->klass->image->unbox_wrapper_cache;
6797 if ((res = mono_marshal_find_in_cache (cache, method)))
6800 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
6802 g_assert (sig->hasthis);
6804 mono_mb_emit_ldarg (mb, 0);
6805 mono_mb_emit_icon (mb, sizeof (MonoObject));
6806 mono_mb_emit_byte (mb, CEE_ADD);
6807 for (i = 0; i < sig->param_count; ++i)
6808 mono_mb_emit_ldarg (mb, i + 1);
6809 mono_mb_emit_managed_call (mb, method, NULL);
6810 mono_mb_emit_byte (mb, CEE_RET);
6812 res = mono_mb_create_and_cache (cache, method,
6813 mb, sig, sig->param_count + 16);
6816 /* 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)); */
6822 mono_marshal_get_stelemref ()
6824 static MonoMethod* ret = NULL;
6825 MonoMethodSignature *sig;
6826 MonoMethodBuilder *mb;
6828 guint32 b1, b2, b3, b4;
6831 int array_slot_addr;
6836 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
6839 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
6841 /* void stelemref (void* array, int idx, void* value) */
6842 sig->ret = &mono_defaults.void_class->byval_arg;
6843 sig->params [0] = &mono_defaults.object_class->byval_arg;
6844 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
6845 sig->params [2] = &mono_defaults.object_class->byval_arg;
6847 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6848 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6849 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
6853 <ldelema (bound check)>
6857 aklass = array->vtable->klass->element_class;
6858 vklass = value->vtable->klass;
6860 if (vklass->idepth < aklass->idepth)
6863 if (vklass->supertypes [aklass->idepth - 1] != aklass)
6867 *array_slot_addr = value;
6871 if (mono_object_isinst (value, aklass))
6874 throw new ArrayTypeMismatchException ();
6877 /* ldelema (implicit bound check) */
6878 mono_mb_emit_ldarg (mb, 0);
6879 mono_mb_emit_ldarg (mb, 1);
6880 mono_mb_emit_byte (mb, CEE_LDELEMA);
6881 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
6882 mono_mb_emit_stloc (mb, array_slot_addr);
6884 /* if (!value) goto do_store */
6885 mono_mb_emit_ldarg (mb, 2);
6886 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6888 /* aklass = array->vtable->klass->element_class */
6889 mono_mb_emit_ldarg (mb, 0);
6890 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6891 mono_mb_emit_byte (mb, CEE_LDIND_I);
6892 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6893 mono_mb_emit_byte (mb, CEE_LDIND_I);
6894 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
6895 mono_mb_emit_byte (mb, CEE_LDIND_I);
6896 mono_mb_emit_stloc (mb, aklass);
6898 /* vklass = value->vtable->klass */
6899 mono_mb_emit_ldarg (mb, 2);
6900 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6901 mono_mb_emit_byte (mb, CEE_LDIND_I);
6902 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6903 mono_mb_emit_byte (mb, CEE_LDIND_I);
6904 mono_mb_emit_stloc (mb, vklass);
6906 /* if (vklass->idepth < aklass->idepth) goto failue */
6907 mono_mb_emit_ldloc (mb, vklass);
6908 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6909 mono_mb_emit_byte (mb, CEE_LDIND_U2);
6911 mono_mb_emit_ldloc (mb, aklass);
6912 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6913 mono_mb_emit_byte (mb, CEE_LDIND_U2);
6915 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
6917 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
6918 mono_mb_emit_ldloc (mb, vklass);
6919 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
6920 mono_mb_emit_byte (mb, CEE_LDIND_I);
6922 mono_mb_emit_ldloc (mb, aklass);
6923 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6924 mono_mb_emit_byte (mb, CEE_LDIND_U2);
6925 mono_mb_emit_icon (mb, 1);
6926 mono_mb_emit_byte (mb, CEE_SUB);
6927 mono_mb_emit_icon (mb, sizeof (void*));
6928 mono_mb_emit_byte (mb, CEE_MUL);
6929 mono_mb_emit_byte (mb, CEE_ADD);
6930 mono_mb_emit_byte (mb, CEE_LDIND_I);
6932 mono_mb_emit_ldloc (mb, aklass);
6934 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
6938 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
6939 mono_mb_emit_ldloc (mb, array_slot_addr);
6940 mono_mb_emit_ldarg (mb, 2);
6941 mono_mb_emit_byte (mb, CEE_STIND_REF);
6943 mono_mb_emit_byte (mb, CEE_RET);
6946 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
6947 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
6949 mono_mb_emit_ldarg (mb, 2);
6950 mono_mb_emit_ldloc (mb, aklass);
6951 mono_mb_emit_icall (mb, mono_object_isinst);
6953 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6954 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
6955 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
6957 mono_mb_emit_byte (mb, CEE_RET);
6958 ret = mono_mb_create_method (mb, sig, 4);
6964 mono_marshal_alloc (gulong size)
6968 #ifdef PLATFORM_WIN32
6969 res = CoTaskMemAlloc (size);
6971 res = g_try_malloc ((gulong)size);
6973 mono_gc_out_of_memory ((gulong)size);
6979 mono_marshal_free (gpointer ptr)
6981 #ifdef PLATFORM_WIN32
6982 CoTaskMemFree (ptr);
6989 mono_marshal_free_array (gpointer *ptr, int size)
6996 for (i = 0; i < size; i++)
7002 mono_marshal_realloc (gpointer ptr, gpointer size)
7004 MONO_ARCH_SAVE_REGS;
7006 return g_try_realloc (ptr, (gulong)size);
7010 mono_marshal_string_to_utf16 (MonoString *s)
7012 return s ? mono_string_chars (s) : NULL;
7016 * mono_marshal_set_last_error:
7018 * This function is invoked to set the last error value from a P/Invoke call
7019 * which has SetLastError set.
7022 mono_marshal_set_last_error (void)
7025 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
7027 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
7032 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
7033 gpointer dest, gint32 length)
7038 MONO_ARCH_SAVE_REGS;
7040 MONO_CHECK_ARG_NULL (src);
7041 MONO_CHECK_ARG_NULL (dest);
7043 g_assert (src->obj.vtable->klass->rank == 1);
7044 g_assert (start_index >= 0);
7045 g_assert (length >= 0);
7046 g_assert (start_index + length <= mono_array_length (src));
7048 element_size = mono_array_element_size (src->obj.vtable->klass);
7050 source_addr = mono_array_addr_with_size (src, element_size, start_index);
7052 memcpy (dest, source_addr, length * element_size);
7056 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
7057 MonoArray *dest, gint32 length)
7062 MONO_ARCH_SAVE_REGS;
7064 MONO_CHECK_ARG_NULL (src);
7065 MONO_CHECK_ARG_NULL (dest);
7067 g_assert (dest->obj.vtable->klass->rank == 1);
7068 g_assert (start_index >= 0);
7069 g_assert (length >= 0);
7070 g_assert (start_index + length <= mono_array_length (dest));
7072 element_size = mono_array_element_size (dest->obj.vtable->klass);
7074 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
7076 memcpy (dest_addr, src, length * element_size);
7079 #if NO_UNALIGNED_ACCESS
7080 #define RETURN_UNALIGNED(type, addr) \
7083 memcpy(&val, p + offset, sizeof(val)); \
7086 #define WRITE_UNALIGNED(type, addr, val) \
7087 memcpy(addr, &val, sizeof(type))
7089 #define RETURN_UNALIGNED(type, addr) \
7090 return *(type*)(p + offset);
7091 #define WRITE_UNALIGNED(type, addr, val) \
7092 (*(type *)(addr) = (val))
7096 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
7100 MONO_ARCH_SAVE_REGS;
7102 RETURN_UNALIGNED(gpointer, p + offset);
7106 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
7110 MONO_ARCH_SAVE_REGS;
7112 return *(unsigned char*)(p + offset);
7116 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
7120 MONO_ARCH_SAVE_REGS;
7122 RETURN_UNALIGNED(gint16, p + offset);
7126 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
7130 MONO_ARCH_SAVE_REGS;
7132 RETURN_UNALIGNED(gint32, p + offset);
7136 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
7140 MONO_ARCH_SAVE_REGS;
7142 RETURN_UNALIGNED(gint64, p + offset);
7146 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
7150 MONO_ARCH_SAVE_REGS;
7152 *(unsigned char*)(p + offset) = val;
7156 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
7160 MONO_ARCH_SAVE_REGS;
7162 WRITE_UNALIGNED(gpointer, p + offset, val);
7166 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
7170 MONO_ARCH_SAVE_REGS;
7172 WRITE_UNALIGNED(gint16, p + offset, val);
7176 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
7180 MONO_ARCH_SAVE_REGS;
7182 WRITE_UNALIGNED(gint32, p + offset, val);
7186 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
7190 MONO_ARCH_SAVE_REGS;
7192 WRITE_UNALIGNED(gint64, p + offset, val);
7196 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
7198 MONO_ARCH_SAVE_REGS;
7203 return mono_string_new (mono_domain_get (), ptr);
7207 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
7209 MONO_ARCH_SAVE_REGS;
7212 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7213 g_assert_not_reached ();
7216 return mono_string_new_len (mono_domain_get (), ptr, len);
7220 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
7222 MonoDomain *domain = mono_domain_get ();
7226 MONO_ARCH_SAVE_REGS;
7234 return mono_string_new_utf16 (domain, ptr, len);
7238 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
7240 MonoDomain *domain = mono_domain_get ();
7242 MONO_ARCH_SAVE_REGS;
7245 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
7246 g_assert_not_reached ();
7249 return mono_string_new_utf16 (domain, ptr, len);
7253 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
7255 MONO_ARCH_SAVE_REGS;
7257 g_warning ("PtrToStringBSTR not implemented");
7258 g_assert_not_reached ();
7264 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
7266 MONO_ARCH_SAVE_REGS;
7268 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
7272 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
7278 MONO_ARCH_SAVE_REGS;
7280 MONO_CHECK_ARG_NULL (rtype);
7283 klass = mono_class_from_mono_type (type);
7284 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
7286 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7290 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
7291 exc = mono_get_exception_argument ("t", msg);
7293 mono_raise_exception (exc);
7297 return mono_class_native_size (klass, NULL);
7301 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
7306 MONO_ARCH_SAVE_REGS;
7308 MONO_CHECK_ARG_NULL (obj);
7309 MONO_CHECK_ARG_NULL (dst);
7311 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
7315 pa [2] = &delete_old;
7317 mono_runtime_invoke (method, NULL, pa, NULL);
7321 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
7326 MONO_ARCH_SAVE_REGS;
7328 MONO_CHECK_ARG_NULL (src);
7329 MONO_CHECK_ARG_NULL (dst);
7331 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
7336 mono_runtime_invoke (method, NULL, pa, NULL);
7340 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
7342 MonoDomain *domain = mono_domain_get ();
7345 MONO_ARCH_SAVE_REGS;
7347 MONO_CHECK_ARG_NULL (src);
7348 MONO_CHECK_ARG_NULL (type);
7350 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7352 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7358 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7360 MonoMarshalType *info;
7363 int match_index = -1;
7365 MONO_ARCH_SAVE_REGS;
7367 MONO_CHECK_ARG_NULL (type);
7368 MONO_CHECK_ARG_NULL (field_name);
7370 fname = mono_string_to_utf8 (field_name);
7371 klass = mono_class_from_mono_type (type->type);
7373 while (klass && match_index == -1) {
7374 MonoClassField* field;
7376 gpointer iter = NULL;
7377 while ((field = mono_class_get_fields (klass, &iter))) {
7378 if (!strcmp (fname, field->name)) {
7385 if (match_index == -1)
7386 klass = klass->parent;
7391 if(match_index == -1) {
7395 /* Get back original class instance */
7396 klass = mono_class_from_mono_type (type->type);
7398 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7399 exc = mono_get_exception_argument ("fieldName", tmp);
7402 mono_raise_exception ((MonoException*)exc);
7405 info = mono_marshal_load_type_info (klass);
7406 return info->fields [match_index].offset;
7410 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7412 MONO_ARCH_SAVE_REGS;
7414 return mono_string_to_utf8 (string);
7418 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7420 MONO_ARCH_SAVE_REGS;
7425 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
7429 mono_struct_delete_old (MonoClass *klass, char *ptr)
7431 MonoMarshalType *info;
7434 info = mono_marshal_load_type_info (klass);
7436 for (i = 0; i < info->num_fields; i++) {
7437 MonoMarshalNative ntype;
7438 MonoMarshalConv conv;
7439 MonoType *ftype = info->fields [i].field->type;
7442 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7445 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7446 klass->unicode, &conv);
7448 cpos = ptr + info->fields [i].offset;
7451 case MONO_MARSHAL_CONV_NONE:
7452 if (MONO_TYPE_ISSTRUCT (ftype)) {
7453 mono_struct_delete_old (ftype->data.klass, cpos);
7457 case MONO_MARSHAL_CONV_STR_LPWSTR:
7458 /* We assume this field points inside a MonoString */
7460 case MONO_MARSHAL_CONV_STR_LPSTR:
7461 case MONO_MARSHAL_CONV_STR_LPTSTR:
7462 case MONO_MARSHAL_CONV_STR_BSTR:
7463 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7464 case MONO_MARSHAL_CONV_STR_TBSTR:
7465 mono_marshal_free (*(gpointer *)cpos);
7474 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7478 MONO_ARCH_SAVE_REGS;
7480 MONO_CHECK_ARG_NULL (src);
7481 MONO_CHECK_ARG_NULL (type);
7483 klass = mono_class_from_mono_type (type->type);
7485 mono_struct_delete_old (klass, (char *)src);
7489 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7491 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7495 MONO_ARCH_SAVE_REGS;
7497 if ((gulong)size == 0)
7498 /* This returns a valid pointer for size 0 on MS.NET */
7501 res = g_try_malloc ((gulong)size);
7503 mono_gc_out_of_memory ((gulong)size);
7509 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7511 MONO_ARCH_SAVE_REGS;
7517 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7519 MONO_ARCH_SAVE_REGS;
7521 #ifdef PLATFORM_WIN32
7522 return CoTaskMemAlloc (size);
7524 return g_try_malloc ((gulong)size);
7529 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7531 MONO_ARCH_SAVE_REGS;
7533 #ifdef PLATFORM_WIN32
7534 CoTaskMemFree (ptr);
7541 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7543 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7547 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7549 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7553 mono_marshal_load_type_info (MonoClass* klass)
7555 int j, count = 0, native_size = 0, min_align = 1;
7556 MonoMarshalType *info;
7557 MonoClassField* field;
7561 g_assert (klass != NULL);
7563 if (klass->marshal_info)
7564 return klass->marshal_info;
7567 mono_class_init (klass);
7570 while ((field = mono_class_get_fields (klass, &iter))) {
7571 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7573 if (mono_field_is_deleted (field))
7578 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7580 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7581 info->num_fields = count;
7583 /* Try to find a size for this type in metadata */
7584 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7586 if (klass->parent) {
7587 int parent_size = mono_class_native_size (klass->parent, NULL);
7589 /* Add parent size to real size */
7590 native_size += parent_size;
7591 info->native_size = parent_size;
7596 while ((field = mono_class_get_fields (klass, &iter))) {
7599 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
7602 if (mono_field_is_deleted (field))
7604 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
7605 mono_metadata_field_info (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
7606 NULL, NULL, &info->fields [j].mspec);
7608 info->fields [j].field = field;
7610 if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
7611 (strcmp (field->name, "$PRIVATE$") == 0)) {
7612 /* This field is a hack inserted by MCS to empty structures */
7617 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
7618 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
7619 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
7620 &align, TRUE, klass->unicode);
7621 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7622 min_align = MAX (align, min_align);
7623 info->fields [j].offset = info->native_size;
7624 info->fields [j].offset += align - 1;
7625 info->fields [j].offset &= ~(align - 1);
7626 info->native_size = info->fields [j].offset + size;
7628 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
7629 size = mono_marshal_type_size (field->type, info->fields [j].mspec,
7630 &align, TRUE, klass->unicode);
7631 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7632 min_align = MAX (align, min_align);
7633 info->fields [j].offset = field->offset - sizeof (MonoObject);
7634 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
7640 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7641 info->native_size = MAX (native_size, info->native_size);
7644 if (info->native_size & (min_align - 1)) {
7645 info->native_size += min_align - 1;
7646 info->native_size &= ~(min_align - 1);
7649 /* Update the class's blittable info, if the layouts don't match */
7650 if (info->native_size != mono_class_value_size (klass, NULL))
7651 klass->blittable = FALSE;
7653 /* If this is an array type, ensure that we have element info */
7654 if (klass->element_class) {
7655 mono_marshal_load_type_info (klass->element_class);
7658 return klass->marshal_info;
7662 * mono_class_native_size:
7665 * Returns: the native size of an object instance (when marshaled
7666 * to unmanaged code)
7669 mono_class_native_size (MonoClass *klass, guint32 *align)
7671 if (!klass->marshal_info)
7672 mono_marshal_load_type_info (klass);
7675 *align = klass->min_align;
7677 return klass->marshal_info->native_size;
7681 * mono_type_native_stack_size:
7682 * @t: the type to return the size it uses on the stack
7684 * Returns: the number of bytes required to hold an instance of this
7685 * type on the native stack
7688 mono_type_native_stack_size (MonoType *t, gint *align)
7692 g_assert (t != NULL);
7703 case MONO_TYPE_BOOLEAN:
7704 case MONO_TYPE_CHAR:
7713 case MONO_TYPE_STRING:
7714 case MONO_TYPE_OBJECT:
7715 case MONO_TYPE_CLASS:
7716 case MONO_TYPE_SZARRAY:
7718 case MONO_TYPE_FNPTR:
7719 case MONO_TYPE_ARRAY:
7720 case MONO_TYPE_TYPEDBYREF:
7731 case MONO_TYPE_VALUETYPE: {
7734 if (t->data.klass->enumtype)
7735 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
7737 size = mono_class_native_size (t->data.klass, align);
7738 *align = *align + 3;
7748 g_error ("type 0x%02x unknown", t->type);
7753 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
7754 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
7755 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
7756 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
7759 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
7760 gboolean as_field, gboolean unicode)
7762 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
7765 switch (native_type) {
7766 case MONO_NATIVE_BOOLEAN:
7769 case MONO_NATIVE_I1:
7770 case MONO_NATIVE_U1:
7773 case MONO_NATIVE_I2:
7774 case MONO_NATIVE_U2:
7775 case MONO_NATIVE_VARIANTBOOL:
7778 case MONO_NATIVE_I4:
7779 case MONO_NATIVE_U4:
7780 case MONO_NATIVE_ERROR:
7783 case MONO_NATIVE_I8:
7784 case MONO_NATIVE_U8:
7785 *align = ALIGNMENT(guint64);
7787 case MONO_NATIVE_R4:
7790 case MONO_NATIVE_R8:
7791 *align = ALIGNMENT(double);
7793 case MONO_NATIVE_INT:
7794 case MONO_NATIVE_UINT:
7795 case MONO_NATIVE_LPSTR:
7796 case MONO_NATIVE_LPWSTR:
7797 case MONO_NATIVE_LPTSTR:
7798 case MONO_NATIVE_BSTR:
7799 case MONO_NATIVE_ANSIBSTR:
7800 case MONO_NATIVE_TBSTR:
7801 case MONO_NATIVE_LPARRAY:
7802 case MONO_NATIVE_SAFEARRAY:
7803 case MONO_NATIVE_IUNKNOWN:
7804 case MONO_NATIVE_IDISPATCH:
7805 case MONO_NATIVE_INTERFACE:
7806 case MONO_NATIVE_ASANY:
7807 case MONO_NATIVE_FUNC:
7808 case MONO_NATIVE_LPSTRUCT:
7809 *align = ALIGNMENT(gpointer);
7810 return sizeof (gpointer);
7811 case MONO_NATIVE_STRUCT:
7812 klass = mono_class_from_mono_type (type);
7813 return mono_class_native_size (klass, align);
7814 case MONO_NATIVE_BYVALTSTR: {
7815 int esize = unicode ? 2: 1;
7818 return mspec->data.array_data.num_elem * esize;
7820 case MONO_NATIVE_BYVALARRAY: {
7822 klass = mono_class_from_mono_type (type);
7823 esize = mono_class_native_size (klass->element_class, align);
7825 return mspec->data.array_data.num_elem * esize;
7827 case MONO_NATIVE_CUSTOM:
7828 g_assert_not_reached ();
7830 case MONO_NATIVE_CURRENCY:
7831 case MONO_NATIVE_VBBYREFSTR:
7833 g_error ("native type %02x not implemented", native_type);
7836 g_assert_not_reached ();
7841 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
7849 t = &o->vtable->klass->byval_arg;
7856 case MONO_TYPE_BOOLEAN:
7859 case MONO_TYPE_CHAR:
7864 return mono_object_unbox (o);
7866 case MONO_TYPE_STRING:
7867 switch (string_encoding) {
7868 case MONO_NATIVE_LPWSTR:
7869 return mono_string_to_utf16 ((MonoString*)o);
7871 case MONO_NATIVE_LPSTR:
7872 return mono_string_to_lpstr ((MonoString*)o);
7875 g_warning ("marshaling conversion %d not implemented", string_encoding);
7876 g_assert_not_reached ();
7879 case MONO_TYPE_CLASS:
7880 case MONO_TYPE_VALUETYPE: {
7884 MonoBoolean delete_old = FALSE;
7886 klass = t->data.klass;
7888 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
7891 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7892 klass->blittable || klass->enumtype)
7893 return mono_object_unbox (o);
7895 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
7897 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
7901 pa [2] = &delete_old;
7903 mono_runtime_invoke (method, NULL, pa, NULL);
7909 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
7915 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
7923 t = &o->vtable->klass->byval_arg;
7925 case MONO_TYPE_STRING:
7926 switch (string_encoding) {
7927 case MONO_NATIVE_LPWSTR:
7928 case MONO_NATIVE_LPSTR:
7929 mono_marshal_free (ptr);
7932 g_warning ("marshaling conversion %d not implemented", string_encoding);
7933 g_assert_not_reached ();
7936 case MONO_TYPE_CLASS:
7937 case MONO_TYPE_VALUETYPE: {
7938 klass = t->data.klass;
7940 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7941 klass->blittable || klass->enumtype)
7944 mono_struct_delete_old (klass, ptr);
7946 mono_marshal_free (ptr);