#include "mono/metadata/threads.h"
#include "mono/metadata/monitor.h"
#include "mono/metadata/metadata-internals.h"
+#include "mono/metadata/domain-internals.h"
+#include "mono/metadata/gc-internal.h"
+#include "mono/metadata/threads-types.h"
#include <mono/os/gc_wrapper.h>
#include <string.h>
#include <errno.h>
#define OPDEF(a,b,c,d,e,f,g,h,i,j) \
a = i,
+typedef enum {
+ MONO_MARSHAL_NONE, /* No marshalling needed */
+ MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
+ MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
+ MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
+} MonoXDomainMarshalType;
+
enum {
#include "mono/cil/opcode.def"
LAST = 0xff
unsigned char *code;
};
-static void
-emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
+struct _MonoRemotingMethods {
+ MonoMethod *invoke;
+ MonoMethod *invoke_with_check;
+ MonoMethod *xdomain_invoke;
+ MonoMethod *xdomain_dispatch;
+};
-static MonoMethod *
-mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
-{
- MonoMethod *res = NULL;
- int i;
+typedef struct _MonoRemotingMethods MonoRemotingMethods;
- for (i = 0; i < klass->method.count; ++i) {
- if (klass->methods [i]->name[0] == name [0] &&
- !strcmp (name, klass->methods [i]->name) &&
- klass->methods [i]->signature->param_count == param_count) {
- res = klass->methods [i];
- break;
- }
- }
- return res;
-}
+static void
+delegate_hash_table_add (MonoDelegate *d);
+
+static void
+emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
#ifdef DEBUG_RUNTIME_CODE
static char*
static CRITICAL_SECTION marshal_mutex;
/* Maps wrapper methods to the methods they wrap */
-static MonoGHashTable *wrapper_hash;
+static GHashTable *wrapper_hash;
static guint32 last_error_tls_id;
+static void mono_struct_delete_old (MonoClass *klass, char *ptr);
+void * mono_marshal_string_to_utf16 (MonoString *s);
+
+static gpointer mono_string_to_lpstr (MonoString *string_obj);
+
static void
register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
{
mono_register_jit_icall (func, name, sig, save);
}
+static MonoMethodSignature*
+signature_no_pinvoke (MonoMethodSignature* sig)
+{
+ if (sig->pinvoke) {
+ sig = mono_metadata_signature_dup (sig);
+ sig->pinvoke = FALSE;
+ }
+
+ return sig;
+}
+
void
mono_marshal_init (void)
{
if (!module_initialized) {
module_initialized = TRUE;
InitializeCriticalSection (&marshal_mutex);
- MONO_GC_REGISTER_ROOT (wrapper_hash);
- wrapper_hash = mono_g_hash_table_new (NULL, NULL);
+ wrapper_hash = g_hash_table_new (NULL, NULL);
last_error_tls_id = TlsAlloc ();
+ register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
+ register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
- register_icall (mono_marshal_string_array, "mono_marshal_string_array", "ptr object", FALSE);
- register_icall (mono_marshal_string_array_to_unicode, "mono_marshal_string_array_to_unicode", "ptr object", FALSE);
- register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int", FALSE);
- register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int", FALSE);
+ register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
+ register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
+ register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
+ register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
- register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr ptr", FALSE);
- register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr ptr", FALSE);
- register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr ptr", FALSE);
+ register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
+ register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
+ register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
register_icall (g_free, "g_free", "void ptr", FALSE);
register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
+ register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
+ }
+}
+
+
+MonoClass *byte_array_class;
+static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
+static MonoMethod *method_set_context, *method_get_context, *method_reset_datastore, *method_restore_datastore;
+static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
+
+static void
+mono_remoting_marshal_init (void)
+{
+ MonoClass *klass;
+
+ static gboolean module_initialized = FALSE;
+
+ if (!module_initialized) {
+ klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
+ method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
+ method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
+ method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
+
+ klass = mono_defaults.real_proxy_class;
+ method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
+
+ klass = mono_defaults.exception_class;
+ method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
+
+ klass = mono_defaults.thread_class;
+ method_reset_datastore = mono_class_get_method_from_name (klass, "ResetDataStoreStatus", -1);
+ method_restore_datastore = mono_class_get_method_from_name (klass, "RestoreDataStoreStatus", -1);
+ method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
+
+ klass = mono_defaults.appdomain_class;
+ method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
+ byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
+
+ klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
+ method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
+
+ klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
+ method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
}
}
klass = ((MonoObject *)delegate)->vtable->klass;
g_assert (klass->delegate);
-
method = delegate->method_info->method;
- invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
+ invoke = mono_class_get_method_from_name (klass, "Invoke", method->signature->param_count);
mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
mono_method_get_marshal_info (invoke, mspecs);
wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
for (i = invoke->signature->param_count; i >= 0; i--)
- g_free (mspecs [i]);
+ if (mspecs [i])
+ mono_metadata_free_marshal_spec (mspecs [i]);
g_free (mspecs);
delegate->delegate_trampoline = mono_compile_method (wrapper);
+ // Add the delegate to the delegate hash table
+ delegate_hash_table_add (delegate);
+
return delegate->delegate_trampoline;
}
+static GHashTable *delegate_hash_table;
+
+static GHashTable *
+delegate_hash_table_new (void) {
+ return g_hash_table_new (NULL, NULL);
+}
+
+static void
+delegate_hash_table_remove (MonoDelegate *d)
+{
+ EnterCriticalSection (&marshal_mutex);
+ if (delegate_hash_table == NULL)
+ delegate_hash_table = delegate_hash_table_new ();
+ g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
+ LeaveCriticalSection (&marshal_mutex);
+}
+
+void
+delegate_hash_table_add (MonoDelegate *d)
+{
+ EnterCriticalSection (&marshal_mutex);
+ if (delegate_hash_table == NULL)
+ delegate_hash_table = delegate_hash_table_new ();
+ g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
+ LeaveCriticalSection (&marshal_mutex);
+}
+
MonoDelegate*
mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
{
MonoDelegate *d;
+
+ EnterCriticalSection (&marshal_mutex);
+ if (delegate_hash_table == NULL)
+ delegate_hash_table = delegate_hash_table_new ();
+
+ d = g_hash_table_lookup (delegate_hash_table, ftn);
+ LeaveCriticalSection (&marshal_mutex);
+ if (d == NULL)
+ mono_raise_exception (mono_get_exception_argument (NULL, "Additional information: Function pointer was not created by a delegate."));
+ return d;
+}
+
+void
+mono_delegate_free_ftnptr (MonoDelegate *delegate)
+{
MonoJitInfo *ji;
+ void *ptr, *ptr2;
- d = (MonoDelegate*)mono_object_new (mono_domain_get (), klass);
+ delegate_hash_table_remove (delegate);
+ ptr2 = delegate->delegate_trampoline;
- ji = mono_jit_info_table_find (mono_domain_get (), ftn);
- if (ji == NULL)
- mono_raise_exception (mono_get_exception_argument ("", "Function pointer was not created by a Delegate."));
+ ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
+ ji = mono_jit_info_table_find (mono_domain_get (), ptr);
+ g_assert (ji);
- /* FIXME: discard the wrapper and call the original method */
- mono_delegate_ctor ((MonoObject*)d, NULL, ftn);
+ if (!delegate->target) {
+ /* The wrapper method is shared between delegates -> no need to free it */
+ return;
+ }
- return d;
+ mono_runtime_free_method (mono_object_domain (delegate), ji->method);
}
gpointer
if (!sb)
return NULL;
- res = g_malloc0 (mono_stringbuilder_capacity (sb) + 1);
+ res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
if (error) {
g_error_free (error);
mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
}
- else
+ else {
memcpy (res, tmp, sb->length + 1);
+ g_free (tmp);
+ }
return res;
}
return mono_string_chars (sb->str);
}
+static gpointer
+mono_string_to_lpstr (MonoString *s)
+{
+#ifdef PLATFORM_WIN32
+ char *as, *tmp;
+ glong len;
+ GError *error = NULL;
+
+ if (s == NULL)
+ return NULL;
+
+ if (!s->length) {
+ as = CoTaskMemAlloc (1);
+ as [0] = '\0';
+ return as;
+ }
+
+ tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
+ if (error) {
+ g_warning (error->message);
+ g_error_free (error);
+ return NULL;
+ }
+ else {
+ as = CoTaskMemAlloc (len + 1);
+ memcpy (as, tmp, len + 1);
+ return as;
+ }
+#else
+ return mono_string_to_utf8 (s);
+#endif
+}
+
gpointer
mono_string_to_ansibstr (MonoString *string_obj)
{
- g_error ("implement me");
+ g_error ("UnmanagedMarshal.BStr is not implemented.");
return NULL;
}
gpointer
mono_string_to_bstr (MonoString *string_obj)
{
- g_error ("implement me");
+ g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
return NULL;
}
m->klass = klass;
m->name = g_strdup (name);
m->inline_info = 1;
- m->inline_count = -1;
m->wrapper_type = type;
mb->code_size = 256;
mono_mb_emit_byte (mb, CEE_ADD);
mono_mb_emit_byte (mb, CEE_LDIND_I);
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
+ mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
mono_mb_emit_byte (mb, branch_code);
pos = mb->pos;
return pos;
}
+static int
+mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
+{
+ int pos;
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
+ mono_mb_emit_byte (mb, CEE_LDIND_REF);
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
+ mono_mb_emit_byte (mb, CEE_LDIND_I4);
+ mono_mb_emit_icon (mb, -1);
+ mono_mb_emit_byte (mb, branch_code);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+ return pos;
+}
+
void
mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
{
void
mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
{
- mono_mb_emit_byte (mb, CEE_PREFIX1);
- mono_mb_emit_byte (mb, CEE_LDFTN);
+ mono_mb_emit_byte (mb, CEE_CALL);
mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
- mono_mb_emit_calli (mb, opt_sig ? opt_sig : method->signature);
}
void
mono_mb_emit_icall (mb, mono_string_new_wrapper);
mono_mb_emit_byte (mb, CEE_STIND_I);
break;
+ case MONO_MARSHAL_CONV_STR_BYVALWSTR:
+ mono_mb_emit_byte (mb, CEE_LDLOC_1);
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_icall (mb, mono_string_from_utf16);
+ mono_mb_emit_byte (mb, CEE_STIND_I);
+ break;
case MONO_MARSHAL_CONV_STR_LPTSTR:
case MONO_MARSHAL_CONV_STR_LPSTR:
mono_mb_emit_byte (mb, CEE_LDLOC_1);
case MONO_MARSHAL_CONV_STR_ANSIBSTR:
case MONO_MARSHAL_CONV_STR_TBSTR:
case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
- case MONO_MARSHAL_CONV_STR_BYVALWSTR:
default:
g_warning ("marshaling conversion %d not implemented", conv);
g_assert_not_reached ();
{
switch (conv) {
case MONO_MARSHAL_CONV_STR_LPWSTR:
- return mono_string_to_utf16;
+ return mono_marshal_string_to_utf16;
case MONO_MARSHAL_CONV_LPWSTR_STR:
return mono_string_from_utf16;
case MONO_MARSHAL_CONV_LPSTR_STR:
return mono_string_new_wrapper;
case MONO_MARSHAL_CONV_STR_LPTSTR:
case MONO_MARSHAL_CONV_STR_LPSTR:
- return mono_string_to_utf8;
+ return mono_string_to_lpstr;
case MONO_MARSHAL_CONV_STR_BSTR:
return mono_string_to_bstr;
case MONO_MARSHAL_CONV_STR_TBSTR:
continue;
ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
-
+
if (last_field) {
msize = klass->instance_size - info->fields [i].field->offset;
usize = info->native_size - info->fields [i].offset;
}
static void
-emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
+emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
+{
+ /* Call DestroyStructure */
+ /* FIXME: Only do this if needed */
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
+ mono_mb_emit_ldloc (mb, struct_var);
+ mono_mb_emit_icall (mb, mono_struct_delete_old);
+}
+
+static void
+emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
{
- static MonoMethodSignature *state_check_sig = NULL;
int pos_noabort;
-
- if (!state_check_sig) {
- state_check_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
- state_check_sig->ret = &mono_defaults.void_class->byval_arg;
- state_check_sig->pinvoke = 0;
- }
-
+
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
mono_mb_emit_byte (mb, CEE_LDIND_I4);
pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
- mono_mb_emit_native_call (mb, state_check_sig, mono_thread_interruption_checkpoint);
+ mono_mb_emit_icall (mb, checkpoint_func);
mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
}
+static void
+emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
+{
+ if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
+ return;
+
+ emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
+}
+
+static void
+emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
+{
+ emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
+}
+
static MonoAsyncResult *
mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
{
}
}
-static MonoMarshalNative
-mono_marshal_get_stringbuilder_to_ptr_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
+static MonoMarshalConv
+mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
+{
+ MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
+
+ switch (encoding) {
+ case MONO_NATIVE_LPWSTR:
+ return MONO_MARSHAL_CONV_STR_LPWSTR;
+ case MONO_NATIVE_LPSTR:
+ return MONO_MARSHAL_CONV_STR_LPSTR;
+ case MONO_NATIVE_LPTSTR:
+ return MONO_MARSHAL_CONV_STR_LPTSTR;
+ default:
+ return -1;
+ }
+}
+
+static MonoMarshalConv
+mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
{
MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
}
}
-static MonoMarshalNative
-mono_marshal_get_ptr_to_stringbuilder_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
+static MonoMarshalConv
+mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
{
MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
}
}
+/*
+ * Return whenever a field of a native structure or an array member needs to
+ * be freed.
+ */
+static gboolean
+mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
+{
+ MonoMarshalNative encoding;
+ MonoMarshalConv conv;
+
+ switch (t->type) {
+ case MONO_TYPE_VALUETYPE:
+ /* FIXME: Optimize this */
+ return TRUE;
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_CLASS:
+ if (t->data.klass == mono_defaults.stringbuilder_class) {
+ gboolean need_free;
+ conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
+ return need_free;
+ }
+ return FALSE;
+ case MONO_TYPE_STRING:
+ encoding = mono_marshal_get_string_encoding (piinfo, spec);
+ return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
+ default:
+ return FALSE;
+ }
+}
+
static inline MonoMethod*
mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
{
/* This does not acquire any locks */
res = mono_mb_create_method (mb, sig, max_stack);
g_hash_table_insert (cache, key, res);
- mono_g_hash_table_insert (wrapper_hash, res, key);
+ g_hash_table_insert (wrapper_hash, res, key);
}
- else
- /* Somebody created it before us */
- ;
LeaveCriticalSection (&marshal_mutex);
return res;
}
+
+static inline MonoMethod*
+mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
+{
+ MonoMethod *res = NULL;
+ MonoRemotingMethods *wrps;
+
+ EnterCriticalSection (&marshal_mutex);
+ wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
+
+ if (wrps) {
+ switch (wrapper_type) {
+ case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
+ case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
+ case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
+ case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
+ }
+ }
+
+ LeaveCriticalSection (&marshal_mutex);
+ return res;
+}
+
+/* Create the method from the builder and place it in the cache */
+static inline MonoMethod*
+mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
+ MonoMethodSignature *sig, int max_stack)
+{
+ MonoMethod **res = NULL;
+ MonoRemotingMethods *wrps;
+ GHashTable *cache = key->klass->image->remoting_invoke_cache;
+
+ EnterCriticalSection (&marshal_mutex);
+ wrps = g_hash_table_lookup (cache, key);
+ if (!wrps) {
+ wrps = g_new0 (MonoRemotingMethods, 1);
+ g_hash_table_insert (cache, key, wrps);
+ }
+
+ switch (mb->method->wrapper_type) {
+ case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
+ case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
+ case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
+ case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
+ default: g_assert_not_reached (); break;
+ }
+
+ if (*res == NULL) {
+ /* This does not acquire any locks */
+ *res = mono_mb_create_method (mb, sig, max_stack);
+ g_hash_table_insert (wrapper_hash, *res, key);
+ }
+
+ LeaveCriticalSection (&marshal_mutex);
+
+ return *res;
+}
+
MonoMethod *
mono_marshal_method_from_wrapper (MonoMethod *wrapper)
{
return wrapper;
EnterCriticalSection (&marshal_mutex);
- res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
+ res = g_hash_table_lookup (wrapper_hash, wrapper);
LeaveCriticalSection (&marshal_mutex);
-
- if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
- /* See mono_marshal_get_remoting_invoke_with_check */
- return (MonoMethod*)((char*)res - 1);
- else
- return res;
+ return res;
}
MonoMethod *
g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
!strcmp (method->name, "BeginInvoke"));
- sig = method->signature;
+ sig = signature_no_pinvoke (method->signature);
cache = method->klass->image->delegate_begin_invoke_cache;
if ((res = mono_marshal_find_in_cache (cache, sig)))
g_assert (method != NULL);
- sig = method->signature;
+ sig = signature_no_pinvoke (method->signature);
msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
!strcmp (method->name, "EndInvoke"));
- sig = method->signature;
+ sig = signature_no_pinvoke (method->signature);
cache = method->klass->image->delegate_end_invoke_cache;
if ((res = mono_marshal_find_in_cache (cache, sig)))
static MonoMethodSignature *csig = NULL;
MonoMethodBuilder *mb;
MonoMethod *res;
- GHashTable *cache;
int params_var;
g_assert (method);
- if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
+ if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
return method;
- sig = method->signature;
+ sig = signature_no_pinvoke (method->signature);
/* we cant remote methods without this pointer */
if (!sig->hasthis)
return method;
- cache = method->klass->image->remoting_invoke_cache;
- if ((res = mono_marshal_find_in_cache (cache, method)))
+ if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
return res;
if (!csig) {
mono_mb_emit_restore_result (mb, sig->ret);
}
- res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
+ res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
mono_mb_free (mb);
return res;
}
-MonoMethod *
-mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
+/* mono_get_xdomain_marshal_type()
+ * Returns the kind of marshalling that a type needs for cross domain calls.
+ */
+static MonoXDomainMarshalType
+mono_get_xdomain_marshal_type (MonoType *t)
{
- MonoMethodSignature *sig;
- MonoMethodBuilder *mb;
- MonoMethod *res, *native;
- GHashTable *cache;
- int i, pos;
-
- g_assert (method);
-
- if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
- return method;
-
- sig = method->signature;
-
- /* we cant remote methods without this pointer */
- g_assert (sig->hasthis);
+ switch (t->type) {
+ case MONO_TYPE_VOID:
+ g_assert_not_reached ();
+ break;
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8:
+ return MONO_MARSHAL_NONE;
+ case MONO_TYPE_STRING:
+ return MONO_MARSHAL_COPY;
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY: {
+ MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
+ if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
+ return MONO_MARSHAL_COPY;
+ break;
+ }
+ }
- cache = method->klass->image->remoting_invoke_cache;
- if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
- return res;
+ if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
+ return MONO_MARSHAL_COPY;
+
+ return MONO_MARSHAL_SERIALIZE;
+}
- mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
- mono_mb_emit_ldarg (mb, 0);
- pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
+/* mono_marshal_xdomain_copy_value
+ * Makes a copy of "val" suitable for the current domain.
+ */
+static MonoObject *
+mono_marshal_xdomain_copy_value (MonoObject *val)
+{
+ MonoDomain *domain;
+ if (val == NULL) return NULL;
- native = mono_marshal_get_remoting_invoke (method);
+ domain = mono_domain_get ();
- for (i = 0; i <= sig->param_count; i++)
- mono_mb_emit_ldarg (mb, i);
-
- mono_mb_emit_managed_call (mb, native, native->signature);
- mono_mb_emit_byte (mb, CEE_RET);
-
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
-
- for (i = 0; i <= sig->param_count; i++)
- mono_mb_emit_ldarg (mb, i);
-
- mono_mb_emit_managed_call (mb, method, method->signature);
- mono_mb_emit_byte (mb, CEE_RET);
-
- res = mono_mb_create_and_cache (cache, (char*)method + 1,
- mb, sig, sig->param_count + 16);
- mono_mb_free (mb);
+ switch (mono_object_class (val)->byval_arg.type) {
+ case MONO_TYPE_VOID:
+ g_assert_not_reached ();
+ break;
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8: {
+ return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
+ }
+ case MONO_TYPE_STRING: {
+ MonoString *str = (MonoString *) val;
+ return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
+ }
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY: {
+ MonoArray *acopy;
+ MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
+ if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
+ acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
+ if (mt == MONO_MARSHAL_COPY) {
+ int i, len = mono_array_length (acopy);
+ for (i = 0; i < len; i++) {
+ MonoObject *item = mono_array_get (acopy, gpointer, i);
+ mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
+ }
+ }
+ return (MonoObject *) acopy;
+ }
+ }
- return res;
+ if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
+ MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
+ MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
+ newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
+ newsb->length = oldsb->length;
+ return (MonoObject *) newsb;
+ }
+ return NULL;
}
-/*
- * the returned method invokes all methods in a multicast delegate
+/* mono_marshal_xdomain_copy_out_value()
+ * Copies the contents of the src instance into the dst instance. src and dst
+ * must have the same type, and if they are arrays, the same size.
*/
-MonoMethod *
-mono_marshal_get_delegate_invoke (MonoMethod *method)
+static void
+mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
{
- MonoMethodSignature *sig, *static_sig;
- int i;
- MonoMethodBuilder *mb;
- MonoMethod *res;
- GHashTable *cache;
- int pos0, pos1;
- char *name;
-
- g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
- !strcmp (method->name, "Invoke"));
-
- sig = method->signature;
-
- cache = method->klass->image->delegate_invoke_cache;
- if ((res = mono_marshal_find_in_cache (cache, sig)))
- return res;
-
- static_sig = mono_metadata_signature_dup (sig);
- static_sig->hasthis = 0;
-
- name = mono_signature_to_name (sig, "invoke");
- mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
- g_free (name);
+ if (src == NULL || dst == NULL) return;
+
+ g_assert (mono_object_class (src) == mono_object_class (dst));
- /* allocate local 0 (object) */
- mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ switch (mono_object_class (src)->byval_arg.type) {
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY: {
+ int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
+ if (mt == MONO_MARSHAL_SERIALIZE) return;
+ if (mt == MONO_MARSHAL_COPY) {
+ int i, len = mono_array_length ((MonoArray *)dst);
+ for (i = 0; i < len; i++) {
+ MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
+ mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
+ }
+ } else {
+ mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
+ }
+ return;
+ }
+ }
- g_assert (sig->hasthis);
-
- /*
- * if (prev != null)
- * prev.Invoke( args .. );
- * return this.<target>( args .. );
- */
-
- /* this wrapper can be used in unmanaged-managed transitions */
- emit_thread_interrupt_checkpoint (mb);
+ if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
+ MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
+ MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
- /* get this->prev */
- mono_mb_emit_ldarg (mb, 0);
- mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
- mono_mb_emit_byte (mb, CEE_LDIND_I );
- mono_mb_emit_stloc (mb, 0);
-
- /* if prev != null */
- mono_mb_emit_ldloc (mb, 0);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
+ dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
+ dst_sb->length = src_sb->length;
+ }
+}
- pos0 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+static void
+mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
+{
+ static MonoMethodSignature *csig = NULL;
+ if (!csig) {
+ csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
+ csig->params [0] = &mono_defaults.object_class->byval_arg;
+ csig->ret = &mono_defaults.object_class->byval_arg;
+ csig->pinvoke = 1;
+ }
- /* then recurse */
- mono_mb_emit_ldloc (mb, 0);
- for (i = 0; i < sig->param_count; i++)
- mono_mb_emit_ldarg (mb, i + 1);
- mono_mb_emit_managed_call (mb, method, method->signature);
- if (sig->ret->type != MONO_TYPE_VOID)
- mono_mb_emit_byte (mb, CEE_POP);
+ mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
+ mono_mb_emit_byte (mb, CEE_CASTCLASS);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+}
- /* continued or prev == null */
- mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
+static void
+mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
+{
+ static MonoMethodSignature *csig = NULL;
+ if (!csig) {
+ csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
+ csig->params [0] = &mono_defaults.object_class->byval_arg;
+ csig->params [1] = &mono_defaults.object_class->byval_arg;
+ csig->ret = &mono_defaults.void_class->byval_arg;
+ csig->pinvoke = 1;
+ }
- /* get this->target */
- mono_mb_emit_ldarg (mb, 0);
- mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
- mono_mb_emit_byte (mb, CEE_LDIND_I );
- mono_mb_emit_stloc (mb, 0);
+ mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
+}
- /* if target != null */
- mono_mb_emit_ldloc (mb, 0);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos0 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
-
- /* then call this->method_ptr nonstatic */
- mono_mb_emit_ldloc (mb, 0);
- for (i = 0; i < sig->param_count; ++i)
- mono_mb_emit_ldarg (mb, i + 1);
- mono_mb_emit_ldarg (mb, 0);
- mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
- mono_mb_emit_byte (mb, CEE_LDIND_I );
- mono_mb_emit_byte (mb, CEE_CALLI);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
+/* mono_marshal_supports_fast_xdomain()
+ * Returns TRUE if the method can use the fast xdomain wrapper.
+ */
+static gboolean
+mono_marshal_supports_fast_xdomain (MonoMethod *method)
+{
+ return !method->klass->contextbound &&
+ !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
+}
- mono_mb_emit_byte (mb, CEE_BR);
- pos1 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+static gint32
+mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
+{
+ MonoDomain *current_domain = mono_domain_get ();
+ MonoDomain *domain = mono_domain_get_by_id (id);
- /* else [target == null] call this->method_ptr static */
- mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
+ if (!domain || !mono_domain_set (domain, FALSE))
+ mono_raise_exception (mono_get_exception_appdomain_unloaded ());
- for (i = 0; i < sig->param_count; ++i)
- mono_mb_emit_ldarg (mb, i + 1);
- mono_mb_emit_ldarg (mb, 0);
- mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
- mono_mb_emit_byte (mb, CEE_LDIND_I );
- mono_mb_emit_byte (mb, CEE_CALLI);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
+ if (push)
+ mono_thread_push_appdomain_ref (domain);
+ else
+ mono_thread_pop_appdomain_ref ();
- /* return */
- mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
- mono_mb_emit_byte (mb, CEE_RET);
+ return current_domain->domain_id;
+}
- res = mono_mb_create_and_cache (cache, sig,
- mb, sig, sig->param_count + 16);
- mono_mb_free (mb);
+static void
+mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
+{
+ static MonoMethodSignature *csig = NULL;
+ if (!csig) {
+ csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
+ csig->params [0] = &mono_defaults.int32_class->byval_arg;
+ csig->params [1] = &mono_defaults.int32_class->byval_arg;
+ csig->ret = &mono_defaults.int32_class->byval_arg;
+ csig->pinvoke = 1;
+ }
- return res;
+ mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
}
-typedef struct {
- MonoMethod *ctor;
- MonoMethodSignature *sig;
-} CtorSigPair;
+/* mono_marshal_emit_load_domain_method ()
+ * Loads into the stack a pointer to the code of the provided method for
+ * the current domain.
+ */
+static void
+mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
+{
+ static MonoMethodSignature *csig = NULL;
+ if (!csig) {
+ csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
+ csig->params [0] = &mono_defaults.int_class->byval_arg;
+ csig->ret = &mono_defaults.int_class->byval_arg;
+ csig->pinvoke = 1;
+ }
-/*
- * generates IL code for the runtime invoke function
- * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
- *
- * we also catch exceptions if exc != null
+ /* We need a pointer to the method for the running domain (not the domain
+ * that compiles the method).
+ */
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
+ mono_mb_emit_native_call (mb, csig, mono_compile_method);
+}
+
+/* mono_marshal_get_xappdomain_dispatch ()
+ * Generates a method that dispatches a method call from another domain into
+ * the current domain.
*/
-MonoMethod *
-mono_marshal_get_runtime_invoke (MonoMethod *method)
+static MonoMethod *
+mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
{
- MonoMethodSignature *sig, *csig, *callsig;
- MonoExceptionClause *clause;
- MonoMethodHeader *header;
+ MonoMethodSignature *sig, *csig;
MonoMethodBuilder *mb;
- GHashTable *cache = NULL;
- MonoClass *target_klass;
- MonoMethod *res = NULL;
- GSList *item;
- static MonoString *string_dummy = NULL;
- int i, pos;
- char *name;
-
- g_assert (method);
+ MonoMethod *res;
+ int i, j, param_index, copy_locals_base;
+ MonoClass *ret_class = NULL;
+ int loc_array=0, loc_return=0, loc_serialized_exc=0;
+ MonoExceptionClause *main_clause;
+ MonoMethodHeader *header;
+ int pos, pos_leave;
+ gboolean copy_return;
- target_klass = method->klass;
-
- EnterCriticalSection (&marshal_mutex);
+ if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
+ return res;
- if (method->string_ctor) {
- static GSList *strsig_list = NULL;
- CtorSigPair *cs;
+ sig = method->signature;
+ copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
- callsig = NULL;
- for (item = strsig_list; item; item = item->next) {
- cs = item->data;
- if (mono_metadata_signature_equal (method->signature, cs->ctor->signature)) {
- callsig = cs->sig;
- break;
- }
- }
- if (!callsig) {
- callsig = mono_metadata_signature_dup (method->signature);
- callsig->ret = &mono_defaults.string_class->byval_arg;
- cs = g_new (CtorSigPair, 1);
- cs->sig = callsig;
- cs->ctor = method;
- strsig_list = g_slist_prepend (strsig_list, cs);
- }
- } else {
- callsig = method->signature;
+ j = 0;
+ csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
+ csig->params [j++] = &mono_defaults.object_class->byval_arg;
+ csig->params [j++] = &byte_array_class->this_arg;
+ csig->params [j++] = &byte_array_class->this_arg;
+ for (i = 0; i < sig->param_count; i++) {
+ if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
+ csig->params [j++] = sig->params [i];
}
+ if (copy_return)
+ csig->ret = sig->ret;
+ else
+ csig->ret = &mono_defaults.void_class->byval_arg;
+ csig->pinvoke = 1;
+ csig->hasthis = FALSE;
- cache = method->klass->image->runtime_invoke_cache;
+ mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
+ mb->method->save_lmf = 1;
- /* from mono_marshal_find_in_cache */
- res = g_hash_table_lookup (cache, callsig);
- LeaveCriticalSection (&marshal_mutex);
+ /* Locals */
- if (res) {
- return res;
+ loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
+ if (complex_count > 0)
+ loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ if (sig->ret->type != MONO_TYPE_VOID) {
+ loc_return = mono_mb_add_local (mb, sig->ret);
+ ret_class = mono_class_from_mono_type (sig->ret);
}
- target_klass = mono_defaults.object_class;
+ /* try */
- /* to make it work with our special string constructors */
- if (!string_dummy) {
- MONO_GC_REGISTER_ROOT (string_dummy);
- string_dummy = mono_string_new_wrapper ("dummy");
- }
-
- sig = method->signature;
-
- csig = mono_metadata_signature_alloc (method->klass->image, 4);
-
- csig->ret = &mono_defaults.object_class->byval_arg;
- csig->params [0] = &mono_defaults.object_class->byval_arg;
- csig->params [1] = &mono_defaults.int_class->byval_arg;
- csig->params [2] = &mono_defaults.int_class->byval_arg;
- csig->params [3] = &mono_defaults.int_class->byval_arg;
-
- name = mono_signature_to_name (callsig, "runtime_invoke");
- mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
- g_free (name);
+ main_clause = g_new0 (MonoExceptionClause, 1);
+ main_clause->try_offset = mb->pos;
- /* allocate local 0 (object) tmp */
- mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
- /* allocate local 1 (object) exc */
- mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ /* Clean the call context */
- /* cond set *exc to null */
- mono_mb_emit_byte (mb, CEE_LDARG_2);
- mono_mb_emit_byte (mb, CEE_BRFALSE_S);
- mono_mb_emit_byte (mb, 3);
- mono_mb_emit_byte (mb, CEE_LDARG_2);
mono_mb_emit_byte (mb, CEE_LDNULL);
- mono_mb_emit_byte (mb, CEE_STIND_I);
+ mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
+ mono_mb_emit_byte (mb, CEE_POP);
- if (sig->hasthis) {
- if (method->string_ctor) {
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
- } else {
- mono_mb_emit_ldarg (mb, 0);
- }
- }
+ /* Deserialize call data */
- for (i = 0; i < sig->param_count; i++) {
- MonoType *t = sig->params [i];
- int type;
+ mono_mb_emit_ldarg (mb, 1);
+ mono_mb_emit_byte (mb, CEE_LDIND_REF);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_byte (mb, CEE_BRFALSE_S);
+ pos = mb->pos;
+ mono_mb_emit_byte (mb, 0);
+
+ mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
+ mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
+
+ if (complex_count > 0)
+ mono_mb_emit_stloc (mb, loc_array);
+ else
+ mono_mb_emit_byte (mb, CEE_POP);
- mono_mb_emit_ldarg (mb, 1);
- if (i) {
- mono_mb_emit_icon (mb, sizeof (gpointer) * i);
- mono_mb_emit_byte (mb, CEE_ADD);
- }
- mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
- if (t->byref)
- continue;
+ /* Get the target object */
+
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
- type = sig->params [i]->type;
-handle_enum:
- switch (type) {
- case MONO_TYPE_I1:
- mono_mb_emit_byte (mb, CEE_LDIND_I1);
- break;
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_U1:
- mono_mb_emit_byte (mb, CEE_LDIND_U1);
- break;
- case MONO_TYPE_I2:
- mono_mb_emit_byte (mb, CEE_LDIND_I2);
- break;
- case MONO_TYPE_U2:
- case MONO_TYPE_CHAR:
- mono_mb_emit_byte (mb, CEE_LDIND_U2);
- break;
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- mono_mb_emit_byte (mb, CEE_LDIND_I);
- break;
- case MONO_TYPE_I4:
- mono_mb_emit_byte (mb, CEE_LDIND_I4);
- break;
- case MONO_TYPE_U4:
- mono_mb_emit_byte (mb, CEE_LDIND_U4);
- break;
- case MONO_TYPE_R4:
- mono_mb_emit_byte (mb, CEE_LDIND_R4);
- break;
- case MONO_TYPE_R8:
- mono_mb_emit_byte (mb, CEE_LDIND_R8);
- break;
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- mono_mb_emit_byte (mb, CEE_LDIND_I8);
+ /* Load the arguments */
+
+ copy_locals_base = mb->locals;
+ param_index = 3; // Index of the first non-serialized parameter of this wrapper
+ j = 0;
+ for (i = 0; i < sig->param_count; i++) {
+ MonoType *pt = sig->params [i];
+ MonoClass *pclass = mono_class_from_mono_type (pt);
+ switch (marshal_types [i]) {
+ case MONO_MARSHAL_SERIALIZE: {
+ /* take the value from the serialized array */
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_icon (mb, j++);
+ if (pt->byref) {
+ if (pclass->valuetype) {
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ mono_mb_emit_byte (mb, CEE_UNBOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ } else {
+ mono_mb_emit_byte (mb, CEE_LDELEMA);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ }
+ } else {
+ if (pclass->valuetype) {
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ mono_mb_emit_byte (mb, CEE_UNBOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ mono_mb_emit_byte (mb, CEE_LDOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ } else {
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ if (pclass != mono_defaults.object_class) {
+ mono_mb_emit_byte (mb, CEE_CASTCLASS);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ }
+ }
+ }
break;
- case MONO_TYPE_STRING:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_PTR:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_OBJECT:
- /* do nothing */
+ }
+ case MONO_MARSHAL_COPY_OUT: {
+ /* Keep a local copy of the value since we need to copy it back after the call */
+ int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
+ mono_mb_emit_ldarg (mb, param_index++);
+ mono_marshal_emit_xdomain_copy_value (mb, pclass);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_stloc (mb, copy_local);
break;
- case MONO_TYPE_VALUETYPE:
- if (t->data.klass->enumtype) {
- type = t->data.klass->enum_basetype->type;
- goto handle_enum;
+ }
+ case MONO_MARSHAL_COPY: {
+ mono_mb_emit_ldarg (mb, param_index);
+ if (pt->byref) {
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_byte (mb, CEE_LDIND_REF);
+ mono_marshal_emit_xdomain_copy_value (mb, pclass);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ } else {
+ mono_marshal_emit_xdomain_copy_value (mb, pclass);
}
- mono_mb_emit_byte (mb, CEE_LDOBJ);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
+ param_index++;
break;
- default:
- g_assert_not_reached ();
- }
+ }
+ case MONO_MARSHAL_NONE:
+ mono_mb_emit_ldarg (mb, param_index++);
+ break;
+ }
}
-
- mono_mb_emit_ldarg (mb, 3);
- mono_mb_emit_calli (mb, callsig);
- if (sig->ret->byref) {
- /* fixme: */
- g_assert_not_reached ();
- }
+ /* Make the call to the real object */
+ emit_thread_force_interrupt_checkpoint (mb);
+ mono_mb_emit_managed_call (mb, method, NULL);
- switch (sig->ret->type) {
- case MONO_TYPE_VOID:
- if (!method->string_ctor)
- mono_mb_emit_byte (mb, CEE_LDNULL);
- break;
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_R4:
- case MONO_TYPE_R8:
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- case MONO_TYPE_VALUETYPE:
- /* box value types */
- mono_mb_emit_byte (mb, CEE_BOX);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
- break;
- case MONO_TYPE_STRING:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_OBJECT:
- /* nothing to do */
- break;
- case MONO_TYPE_PTR:
- default:
- g_assert_not_reached ();
- }
+ if (sig->ret->type != MONO_TYPE_VOID)
+ mono_mb_emit_stloc (mb, loc_return);
- mono_mb_emit_stloc (mb, 0);
-
- mono_mb_emit_byte (mb, CEE_LEAVE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ /* copy back MONO_MARSHAL_COPY_OUT parameters */
- clause = g_new0 (MonoExceptionClause, 1);
- clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
- clause->try_len = mb->pos;
+ j = 0;
+ param_index = 3;
+ for (i = 0; i < sig->param_count; i++) {
+ if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
+ if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
+ mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
+ mono_mb_emit_ldarg (mb, param_index);
+ mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
+ }
+ param_index++;
+ }
- /* filter code */
- clause->token_or_filter = mb->pos;
+ /* Serialize the return values */
- mono_mb_emit_byte (mb, CEE_POP);
- mono_mb_emit_byte (mb, CEE_LDARG_2);
- mono_mb_emit_byte (mb, CEE_LDC_I4_0);
- mono_mb_emit_byte (mb, CEE_PREFIX1);
- mono_mb_emit_byte (mb, CEE_CGT_UN);
- mono_mb_emit_byte (mb, CEE_PREFIX1);
- mono_mb_emit_byte (mb, CEE_ENDFILTER);
-
- clause->handler_offset = mb->pos;
-
- /* handler code */
- /* store exception */
- mono_mb_emit_stloc (mb, 1);
+ if (complex_out_count > 0) {
+ /* Reset parameters in the array that don't need to be serialized back */
+ j = 0;
+ for (i = 0; i < sig->param_count; i++) {
+ if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
+ if (!sig->params [i]->byref) {
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_icon (mb, j);
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_byte (mb, CEE_STELEM_REF);
+ }
+ j++;
+ }
- mono_mb_emit_byte (mb, CEE_LDARG_2);
- mono_mb_emit_ldloc (mb, 1);
- mono_mb_emit_byte (mb, CEE_STIND_I);
+ /* Add the return value to the array */
+
+ if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
+ mono_mb_emit_ldloc (mb, loc_return);
+ if (ret_class->valuetype) {
+ mono_mb_emit_byte (mb, CEE_BOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ }
+ mono_mb_emit_byte (mb, CEE_STELEM_REF);
+ }
+
+ /* Serialize */
+
+ mono_mb_emit_ldarg (mb, 1);
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
+ mono_mb_emit_ldarg (mb, 1);
+ mono_mb_emit_ldloc (mb, loc_return);
+ if (ret_class->valuetype) {
+ mono_mb_emit_byte (mb, CEE_BOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ }
+ mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ } else {
+ mono_mb_emit_ldarg (mb, 1);
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ }
- mono_mb_emit_byte (mb, CEE_LDC_I4_0);
- mono_mb_emit_stloc (mb, 0);
+ mono_mb_emit_ldarg (mb, 2);
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ mono_mb_emit_byte (mb, CEE_LEAVE);
+ pos_leave = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+ /* Main exception catch */
+ main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
+ main_clause->try_len = mb->pos - main_clause->try_offset;
+ main_clause->data.catch_class = mono_defaults.object_class;
+
+ /* handler code */
+ main_clause->handler_offset = mb->pos;
+ mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
+ mono_mb_emit_stloc (mb, loc_serialized_exc);
+ mono_mb_emit_ldarg (mb, 2);
+ mono_mb_emit_ldloc (mb, loc_serialized_exc);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
mono_mb_emit_byte (mb, CEE_LEAVE);
mono_mb_emit_i4 (mb, 0);
+ main_clause->handler_len = mb->pos - main_clause->handler_offset;
+ /* end catch */
- clause->handler_len = mb->pos - clause->handler_offset;
+ mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
+
+ if (copy_return)
+ mono_mb_emit_ldloc (mb, loc_return);
- /* return result */
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
- mono_mb_emit_ldloc (mb, 0);
mono_mb_emit_byte (mb, CEE_RET);
- /* taken from mono_mb_create_and_cache */
- EnterCriticalSection (&marshal_mutex);
-
- res = g_hash_table_lookup (cache, callsig);
- /* Somebody may have created it before us */
- if (!res) {
- res = mono_mb_create_method (mb, csig, sig->param_count + 16);
- g_hash_table_insert (cache, callsig, res);
- mono_g_hash_table_insert (wrapper_hash, res, callsig);
- }
-
- LeaveCriticalSection (&marshal_mutex);
- /* end mono_mb_create_and_cache */
-
+ res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
mono_mb_free (mb);
header = ((MonoMethodNormal *)res)->header;
header->num_clauses = 1;
- header->clauses = clause;
+ header->clauses = main_clause;
- return res;
+ return res;
}
-/*
- * generates IL code to call managed methods from unmanaged code
+/* mono_marshal_get_xappdomain_invoke ()
+ * Generates a fast remoting wrapper for cross app domain calls.
*/
MonoMethod *
-mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
+mono_marshal_get_xappdomain_invoke (MonoMethod *method)
{
- MonoMethodSignature *sig, *csig;
+ MonoMethodSignature *sig;
+ static MonoMethodSignature *sig_context_get;
+ static MonoMethodSignature *sig_context_set;
MonoMethodBuilder *mb;
- MonoClass *klass = NULL;
MonoMethod *res;
- GHashTable *cache;
- int i, pos = 0, *tmp_locals;
- static MonoMethodSignature *alloc_sig = NULL;
- int retobj_var = 0;
+ int i, j, complex_count, complex_out_count, copy_locals_base;
+ int *marshal_types;
+ MonoClass *ret_class = NULL;
+ MonoMethod *xdomain_method;
+ int ret_marshal_type = MONO_MARSHAL_NONE;
+ int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
+ int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context, loc_datastore;
+ int pos, pos_noex;
+ gboolean copy_return = FALSE;
- g_assert (method != NULL);
- g_assert (!method->signature->pinvoke);
+ g_assert (method);
+
+ if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
+ return method;
- cache = method->klass->image->managed_wrapper_cache;
- if (!this && (res = mono_marshal_find_in_cache (cache, method)))
+ /* we cant remote methods without this pointer */
+ if (!method->signature->hasthis)
+ return method;
+
+ if (!mono_marshal_supports_fast_xdomain (method))
+ return mono_marshal_get_remoting_invoke (method);
+
+ mono_remoting_marshal_init ();
+
+ if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
return res;
+
+ sig = signature_no_pinvoke (method->signature);
+
+ if (sig_context_set == NULL) {
+ sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
+ sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
+ sig_context_set->ret = &mono_defaults.void_class->byval_arg;
+ sig_context_set->pinvoke = 1;
+
+ sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
+ sig_context_get->ret = &mono_defaults.object_class->byval_arg;
+ sig_context_get->pinvoke = 1;
+ }
- /* Under MS, the allocation should be done using CoTaskMemAlloc */
- if (!alloc_sig) {
- alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
- alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
- alloc_sig->ret = &mono_defaults.int_class->byval_arg;
- alloc_sig->pinvoke = 1;
+ mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
+ mb->method->save_lmf = 1;
+
+ /* Count the number of parameters that need to be serialized */
+
+ marshal_types = alloca (sizeof (int) * sig->param_count);
+ complex_count = complex_out_count = 0;
+ for (i = 0; i < sig->param_count; i++) {
+ MonoType *ptype = sig->params[i];
+ int mt = mono_get_xdomain_marshal_type (ptype);
+
+ /* If the [Out] attribute is applied to a parameter that can be internally copied,
+ * the copy will be made by reusing the original object instance
+ */
+ if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
+ mt = MONO_MARSHAL_COPY_OUT;
+ else if (mt == MONO_MARSHAL_SERIALIZE) {
+ complex_count++;
+ if (ptype->byref) complex_out_count++;
+ }
+ marshal_types [i] = mt;
}
- if (this) {
- /* fime: howto free that memory ? */
+ if (sig->ret->type != MONO_TYPE_VOID) {
+ ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
+ ret_class = mono_class_from_mono_type (sig->ret);
+ copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
}
+
+ /* Locals */
+
+ if (complex_count > 0)
+ loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
+ loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ if (copy_return)
+ loc_return = mono_mb_add_local (mb, sig->ret);
+ loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
+ loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
+ loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ loc_datastore = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+
+ /* Save thread domain data */
+
+ mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_stloc (mb, loc_context);
- sig = method->signature;
+ /* If the thread is not running in the default context, it needs to go
+ * through the whole remoting sink, since the context is going to change
+ */
+ mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
+ mono_mb_emit_byte (mb, CEE_BRFALSE_S);
+ pos = mb->pos;
+ mono_mb_emit_byte (mb, 0);
+
+ mono_mb_emit_ldarg (mb, 0);
+ for (i = 0; i < sig->param_count; i++)
+ mono_mb_emit_ldarg (mb, i + 1);
+
+ mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
+ mono_mb_emit_byte (mb, CEE_RET);
+ mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
- mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
+ mono_mb_emit_managed_call (mb, method_reset_datastore, NULL);
+ mono_mb_emit_stloc (mb, loc_datastore);
+
+ /* Create the array that will hold the parameters to be serialized */
- /* allocate local 0 (pointer) src_ptr */
- mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- /* allocate local 1 (pointer) dst_ptr */
- mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- /* allocate local 2 (boolean) delete_old */
- mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
+ if (complex_count > 0) {
+ 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 */
+ mono_mb_emit_byte (mb, CEE_NEWARR);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
+
+ j = 0;
+ for (i = 0; i < sig->param_count; i++) {
+ if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
+ MonoClass *pclass = mono_class_from_mono_type (sig->params[i]);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_icon (mb, j);
+ mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
+ if (sig->params[i]->byref) {
+ if (pclass->valuetype) {
+ mono_mb_emit_byte (mb, CEE_LDOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ } else {
+ mono_mb_emit_byte (mb, CEE_LDIND_REF);
+ }
+ }
+ if (pclass->valuetype) {
+ mono_mb_emit_byte (mb, CEE_BOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ }
+ mono_mb_emit_byte (mb, CEE_STELEM_REF);
+ j++;
+ }
+ mono_mb_emit_stloc (mb, loc_array);
- if (!MONO_TYPE_IS_VOID(sig->ret)) {
- /* allocate local 3 to store the return value */
- mono_mb_add_local (mb, sig->ret);
+ /* Serialize parameters */
+
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
+ mono_mb_emit_stloc (mb, loc_serialized_data);
+ } else {
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
+ mono_mb_emit_stloc (mb, loc_serialized_data);
}
- mono_mb_emit_icon (mb, 0);
- mono_mb_emit_byte (mb, CEE_STLOC_2);
+ /* Get the target domain id */
- /* we copy the signature, so that we can modify it */
- csig = mono_metadata_signature_dup (sig);
- csig->hasthis = 0;
- csig->pinvoke = 1;
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
+ mono_mb_emit_byte (mb, CEE_LDIND_REF);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_stloc (mb, loc_real_proxy);
-#ifdef PLATFORM_WIN32
- /*
- * Under windows, delegates passed to native code must use the STDCALL
- * calling convention.
- */
- csig->call_convention = MONO_CALL_STDCALL;
-#endif
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
+ mono_mb_emit_byte (mb, CEE_LDIND_I4);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_1);
- /* fixme: howto handle this ? */
- if (sig->hasthis) {
+ /* switch domain */
- if (this) {
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
+ mono_marshal_emit_switch_domain (mb);
+ mono_mb_emit_stloc (mb, loc_old_domainid);
+ /* Load the arguments */
+
+ mono_mb_emit_ldloc (mb, loc_real_proxy);
+ mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
+ mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
- } else {
- /* fixme: */
- g_assert_not_reached ();
+ copy_locals_base = mb->locals;
+ for (i = 0; i < sig->param_count; i++) {
+ switch (marshal_types [i]) {
+ case MONO_MARSHAL_SERIALIZE:
+ continue;
+ case MONO_MARSHAL_COPY: {
+ mono_mb_emit_ldarg (mb, i+1);
+ if (sig->params [i]->byref) {
+ /* make a local copy of the byref parameter. The real parameter
+ * will be updated after the xdomain call
+ */
+ MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
+ int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
+ mono_mb_emit_byte (mb, CEE_LDIND_REF);
+ mono_mb_emit_stloc (mb, copy_local);
+ mono_mb_emit_ldloc_addr (mb, copy_local);
+ }
+ break;
}
- }
+ case MONO_MARSHAL_COPY_OUT:
+ case MONO_MARSHAL_NONE:
+ mono_mb_emit_ldarg (mb, i+1);
+ break;
+ }
+ }
+ /* Make the call to the invoke wrapper in the target domain */
- /* we first do all conversions */
- tmp_locals = alloca (sizeof (int) * sig->param_count);
- for (i = 0; i < sig->param_count; i ++) {
- MonoType *t = sig->params [i];
- MonoMarshalSpec *spec = mspecs [i + 1];
+ xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
+ mono_marshal_emit_load_domain_method (mb, xdomain_method);
+ mono_mb_emit_calli (mb, xdomain_method->signature);
- tmp_locals [i] = 0;
-
- /* Ensure that we have marshalling info for this param */
- mono_marshal_load_type_info (mono_class_from_mono_type (t));
-
- if (spec && spec->native == MONO_NATIVE_CUSTOM) {
- MonoType *mtype;
- MonoClass *mklass;
- MonoMethod *marshal_native_to_managed;
- MonoMethod *get_instance;
+ if (copy_return)
+ mono_mb_emit_stloc (mb, loc_return);
- /* FIXME: Call CleanUpNativeData after the call */
+ /* Switch domain */
- mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
- g_assert (mtype != NULL);
- mklass = mono_class_from_mono_type (mtype);
- g_assert (mklass != NULL);
+ mono_mb_emit_ldloc (mb, loc_old_domainid);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_marshal_emit_switch_domain (mb);
+ mono_mb_emit_byte (mb, CEE_POP);
+
+ /* Restore thread domain data */
+
+ mono_mb_emit_ldloc (mb, loc_context);
+ mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
+ mono_mb_emit_ldloc (mb, loc_datastore);
+ mono_mb_emit_managed_call (mb, method_restore_datastore, NULL);
+
+ /* if (loc_serialized_exc != null) ... */
- marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
- g_assert (marshal_native_to_managed);
- get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
- g_assert (get_instance);
-
- switch (t->type) {
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- if (t->byref)
- break;
+ mono_mb_emit_ldloc (mb, loc_serialized_exc);
+ mono_mb_emit_byte (mb, CEE_BRFALSE_S);
+ pos_noex = mb->pos;
+ mono_mb_emit_byte (mb, 0);
+
+ mono_mb_emit_ldloc (mb, loc_serialized_exc);
+ mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
+ mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
+ mono_mb_emit_byte (mb, CEE_CASTCLASS);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
+ mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
+ mono_mb_emit_byte (mb, CEE_THROW);
+ mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ /* copy back non-serialized output parameters */
- mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
+ j = 0;
+ for (i = 0; i < sig->param_count; i++) {
+ if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
+ mono_mb_emit_ldarg (mb, i + 1);
+ mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
+ mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ }
- mono_mb_emit_byte (mb, CEE_CALL);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
-
- mono_mb_emit_ldarg (mb, i);
-
- mono_mb_emit_byte (mb, CEE_CALLVIRT);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
-
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- break;
- default:
- g_warning ("custom marshalling of type %x is currently not supported", t->type);
- g_assert_not_reached ();
- break;
+ /* Deserialize out parameters */
+
+ if (complex_out_count > 0) {
+ mono_mb_emit_ldloc (mb, loc_serialized_data);
+ mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
+ mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
+ mono_mb_emit_stloc (mb, loc_array);
+
+ /* Copy back output parameters and return type */
+
+ j = 0;
+ for (i = 0; i < sig->param_count; i++) {
+ if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
+ if (sig->params[i]->byref) {
+ MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
+ mono_mb_emit_ldarg (mb, i + 1);
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_icon (mb, j);
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ if (pclass->valuetype) {
+ mono_mb_emit_byte (mb, CEE_UNBOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ mono_mb_emit_byte (mb, CEE_LDOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ mono_mb_emit_byte (mb, CEE_STOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ } else {
+ if (pclass != mono_defaults.object_class) {
+ mono_mb_emit_byte (mb, CEE_CASTCLASS);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
+ }
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ }
}
- continue;
+ j++;
}
+
+ if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
+ mono_mb_emit_ldloc (mb, loc_array);
+ mono_mb_emit_icon (mb, complex_count);
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ if (ret_class->valuetype) {
+ mono_mb_emit_byte (mb, CEE_UNBOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ mono_mb_emit_byte (mb, CEE_LDOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ }
+ }
+ } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
+ mono_mb_emit_ldloc (mb, loc_serialized_data);
+ mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
+ mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
+ if (ret_class->valuetype) {
+ mono_mb_emit_byte (mb, CEE_UNBOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ mono_mb_emit_byte (mb, CEE_LDOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ } else if (ret_class != mono_defaults.object_class) {
+ mono_mb_emit_byte (mb, CEE_CASTCLASS);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
+ }
+ } else {
+ mono_mb_emit_ldloc (mb, loc_serialized_data);
+ mono_mb_emit_byte (mb, CEE_DUP);
+ mono_mb_emit_byte (mb, CEE_BRFALSE_S);
+ pos = mb->pos;
+ mono_mb_emit_byte (mb, 0);
+ mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
+
+ mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
+ mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
+ mono_mb_emit_byte (mb, CEE_POP);
+ }
- switch (t->type) {
- case MONO_TYPE_CLASS: {
- klass = t->data.klass;
-
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ if (copy_return) {
+ mono_mb_emit_ldloc (mb, loc_return);
+ if (ret_marshal_type == MONO_MARSHAL_COPY)
+ mono_marshal_emit_xdomain_copy_value (mb, ret_class);
+ }
- if (klass->delegate) {
- g_assert (!t->byref);
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
- mono_mb_emit_ldarg (mb, i);
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- break;
- }
+ mono_mb_emit_byte (mb, CEE_RET);
- /* FIXME: Raise a MarshalDirectiveException here */
- g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
+ res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
+ mono_mb_free (mb);
- if (t->attrs & PARAM_ATTRIBUTE_OUT) {
- mono_mb_emit_byte (mb, CEE_LDNULL);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- break;
- }
+ return res;
+}
- /* Set src */
- mono_mb_emit_ldarg (mb, i);
- if (t->byref) {
- int pos2;
+MonoMethod *
+mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
+{
+ if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
+ return mono_marshal_get_xappdomain_invoke (method);
+ else
+ return mono_marshal_get_remoting_invoke (method);
+}
- /* Check for NULL and raise an exception */
- mono_mb_emit_byte (mb, CEE_BRTRUE);
- pos2 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+G_GNUC_UNUSED static gpointer
+mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
+{
+ if (rp->target_domain_id != -1)
+ return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
+ else
+ return mono_compile_method (mono_marshal_get_remoting_invoke (method));
+}
- mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
+MonoMethod *
+mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
+{
+ MonoMethodSignature *sig;
+ MonoMethodBuilder *mb;
+ MonoMethod *res, *native;
+ int i, pos, pos_rem;
- mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
- mono_mb_emit_ldarg (mb, i);
- mono_mb_emit_byte (mb, CEE_LDIND_I);
- }
+ g_assert (method);
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
+ return method;
- mono_mb_emit_byte (mb, CEE_LDC_I4_0);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
+ sig = signature_no_pinvoke (method->signature);
+
+ /* we cant remote methods without this pointer */
+ g_assert (sig->hasthis);
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
+ return res;
- /* Create and set dst */
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_icon (mb, sizeof (MonoObject));
- mono_mb_emit_byte (mb, CEE_ADD);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
+ mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
- /* emit valuetype conversion code */
- emit_struct_conv (mb, klass, TRUE);
+ for (i = 0; i <= sig->param_count; i++)
+ mono_mb_emit_ldarg (mb, i);
+
+ mono_mb_emit_ldarg (mb, 0);
+ pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
- break;
- }
+ if (mono_marshal_supports_fast_xdomain (method)) {
+ mono_mb_emit_ldarg (mb, 0);
+ pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
+
+ /* wrapper for cross app domain calls */
+ native = mono_marshal_get_xappdomain_invoke (method);
+ mono_mb_emit_managed_call (mb, native, native->signature);
+ mono_mb_emit_byte (mb, CEE_RET);
+
+ mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
+ }
+ /* wrapper for normal remote calls */
+ native = mono_marshal_get_remoting_invoke (method);
+ mono_mb_emit_managed_call (mb, native, native->signature);
+ mono_mb_emit_byte (mb, CEE_RET);
+
+ /* not a proxy */
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ mono_mb_emit_managed_call (mb, method, method->signature);
+ mono_mb_emit_byte (mb, CEE_RET);
+
+ res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
+ mono_mb_free (mb);
+
+ return res;
+}
+
+/*
+ * the returned method invokes all methods in a multicast delegate
+ */
+MonoMethod *
+mono_marshal_get_delegate_invoke (MonoMethod *method)
+{
+ MonoMethodSignature *sig, *static_sig;
+ int i;
+ MonoMethodBuilder *mb;
+ MonoMethod *res;
+ GHashTable *cache;
+ int pos0, pos1;
+ char *name;
+
+ g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
+ !strcmp (method->name, "Invoke"));
+
+ sig = signature_no_pinvoke (method->signature);
+
+ cache = method->klass->image->delegate_invoke_cache;
+ if ((res = mono_marshal_find_in_cache (cache, sig)))
+ return res;
+
+ static_sig = mono_metadata_signature_dup (sig);
+ static_sig->hasthis = 0;
+
+ name = mono_signature_to_name (sig, "invoke");
+ mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
+ g_free (name);
+
+ /* allocate local 0 (object) */
+ mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+
+ g_assert (sig->hasthis);
+
+ /*
+ * if (prev != null)
+ * prev.Invoke( args .. );
+ * return this.<target>( args .. );
+ */
+
+ /* this wrapper can be used in unmanaged-managed transitions */
+ emit_thread_interrupt_checkpoint (mb);
+
+ /* get this->prev */
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
+ mono_mb_emit_byte (mb, CEE_LDIND_I );
+ mono_mb_emit_stloc (mb, 0);
+
+ /* if prev != null */
+ mono_mb_emit_ldloc (mb, 0);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+
+ pos0 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ /* then recurse */
+ mono_mb_emit_ldloc (mb, 0);
+ for (i = 0; i < sig->param_count; i++)
+ mono_mb_emit_ldarg (mb, i + 1);
+ mono_mb_emit_managed_call (mb, method, method->signature);
+ if (sig->ret->type != MONO_TYPE_VOID)
+ mono_mb_emit_byte (mb, CEE_POP);
+
+ /* continued or prev == null */
+ mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
+
+ /* get this->target */
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
+ mono_mb_emit_byte (mb, CEE_LDIND_I );
+ mono_mb_emit_stloc (mb, 0);
+
+ /* if target != null */
+ mono_mb_emit_ldloc (mb, 0);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos0 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ /* then call this->method_ptr nonstatic */
+ mono_mb_emit_ldloc (mb, 0);
+ for (i = 0; i < sig->param_count; ++i)
+ mono_mb_emit_ldarg (mb, i + 1);
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
+ mono_mb_emit_byte (mb, CEE_LDIND_I );
+ mono_mb_emit_byte (mb, CEE_CALLI);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
+
+ mono_mb_emit_byte (mb, CEE_BR);
+ pos1 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ /* else [target == null] call this->method_ptr static */
+ mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
+
+ for (i = 0; i < sig->param_count; ++i)
+ mono_mb_emit_ldarg (mb, i + 1);
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
+ mono_mb_emit_byte (mb, CEE_LDIND_I );
+ mono_mb_emit_byte (mb, CEE_CALLI);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
+
+ /* return */
+ mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
+ mono_mb_emit_byte (mb, CEE_RET);
+
+ res = mono_mb_create_and_cache (cache, sig,
+ mb, sig, sig->param_count + 16);
+ mono_mb_free (mb);
+
+ return res;
+}
+
+/*
+ * signature_dup_add_this:
+ *
+ * Make a copy of @sig, adding an explicit this argument.
+ */
+static MonoMethodSignature*
+signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
+{
+ MonoMethodSignature *res;
+ int i;
+
+ res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
+ memcpy (res, sig, sizeof (MonoMethodSignature));
+ res->param_count = sig->param_count + 1;
+ res->hasthis = FALSE;
+ for (i = sig->param_count - 1; i >= 0; i --)
+ res->params [i + 1] = sig->params [i];
+ res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
+
+ return res;
+}
+
+typedef struct {
+ MonoMethod *ctor;
+ MonoMethodSignature *sig;
+} CtorSigPair;
+
+
+
+/*
+ * generates IL code for the runtime invoke function
+ * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
+ *
+ * we also catch exceptions if exc != null
+ */
+MonoMethod *
+mono_marshal_get_runtime_invoke (MonoMethod *method)
+{
+ MonoMethodSignature *sig, *csig, *callsig;
+ MonoExceptionClause *clause;
+ MonoMethodHeader *header;
+ MonoMethodBuilder *mb;
+ GHashTable *cache = NULL;
+ MonoClass *target_klass;
+ MonoMethod *res = NULL;
+ GSList *item;
+ static MonoString *string_dummy = NULL;
+ static MonoMethodSignature *dealy_abort_sig = NULL;
+ int i, pos, posna;
+ char *name;
+
+ g_assert (method);
+
+ target_klass = method->klass;
+
+ EnterCriticalSection (&marshal_mutex);
+
+ if (method->string_ctor) {
+ static GSList *strsig_list = NULL;
+ CtorSigPair *cs;
+
+ callsig = NULL;
+ for (item = strsig_list; item; item = item->next) {
+ cs = item->data;
+ if (mono_metadata_signature_equal (method->signature, cs->ctor->signature)) {
+ callsig = cs->sig;
+ break;
+ }
+ }
+ if (!callsig) {
+ callsig = mono_metadata_signature_dup (method->signature);
+ callsig->ret = &mono_defaults.string_class->byval_arg;
+ cs = g_new (CtorSigPair, 1);
+ cs->sig = callsig;
+ cs->ctor = method;
+ strsig_list = g_slist_prepend (strsig_list, cs);
+ }
+ } else {
+ if (method->klass->valuetype && method->signature->hasthis) {
+ /*
+ * Valuetype methods receive a managed pointer as the this argument.
+ * Create a new signature to reflect this.
+ */
+ callsig = signature_dup_add_this (method->signature, method->klass);
+ }
+ else
+ callsig = method->signature;
+ }
+
+ cache = method->klass->image->runtime_invoke_cache;
+
+ /* from mono_marshal_find_in_cache */
+ res = g_hash_table_lookup (cache, callsig);
+ LeaveCriticalSection (&marshal_mutex);
+
+ if (res) {
+ return res;
+ }
+
+ if (!dealy_abort_sig) {
+ dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
+ dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
+ dealy_abort_sig->pinvoke = 0;
+ }
+
+ target_klass = mono_defaults.object_class;
+
+ /* to make it work with our special string constructors */
+ if (!string_dummy) {
+ MONO_GC_REGISTER_ROOT (string_dummy);
+ string_dummy = mono_string_new_wrapper ("dummy");
+ }
+
+ sig = method->signature;
+
+ csig = mono_metadata_signature_alloc (method->klass->image, 4);
+
+ csig->ret = &mono_defaults.object_class->byval_arg;
+ if (method->klass->valuetype && method->signature->hasthis)
+ csig->params [0] = callsig->params [0];
+ else
+ csig->params [0] = &mono_defaults.object_class->byval_arg;
+ csig->params [1] = &mono_defaults.int_class->byval_arg;
+ csig->params [2] = &mono_defaults.int_class->byval_arg;
+ csig->params [3] = &mono_defaults.int_class->byval_arg;
+
+ name = mono_signature_to_name (callsig, "runtime_invoke");
+ mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
+ g_free (name);
+
+ /* allocate local 0 (object) tmp */
+ mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+ /* allocate local 1 (object) exc */
+ mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+
+ /* cond set *exc to null */
+ mono_mb_emit_byte (mb, CEE_LDARG_2);
+ mono_mb_emit_byte (mb, CEE_BRFALSE_S);
+ mono_mb_emit_byte (mb, 3);
+ mono_mb_emit_byte (mb, CEE_LDARG_2);
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_byte (mb, CEE_STIND_I);
+
+ if (sig->hasthis) {
+ if (method->string_ctor) {
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
+ } else {
+ mono_mb_emit_ldarg (mb, 0);
+ }
+ }
+
+ for (i = 0; i < sig->param_count; i++) {
+ MonoType *t = sig->params [i];
+ int type;
+
+ mono_mb_emit_ldarg (mb, 1);
+ if (i) {
+ mono_mb_emit_icon (mb, sizeof (gpointer) * i);
+ mono_mb_emit_byte (mb, CEE_ADD);
+ }
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+
+ if (t->byref)
+ continue;
+
+ type = sig->params [i]->type;
+handle_enum:
+ switch (type) {
+ case MONO_TYPE_I1:
+ mono_mb_emit_byte (mb, CEE_LDIND_I1);
+ break;
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_U1:
+ mono_mb_emit_byte (mb, CEE_LDIND_U1);
+ break;
+ case MONO_TYPE_I2:
+ mono_mb_emit_byte (mb, CEE_LDIND_I2);
+ break;
+ case MONO_TYPE_U2:
+ case MONO_TYPE_CHAR:
+ mono_mb_emit_byte (mb, CEE_LDIND_U2);
+ break;
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ break;
+ case MONO_TYPE_I4:
+ mono_mb_emit_byte (mb, CEE_LDIND_I4);
+ break;
+ case MONO_TYPE_U4:
+ mono_mb_emit_byte (mb, CEE_LDIND_U4);
+ break;
+ case MONO_TYPE_R4:
+ mono_mb_emit_byte (mb, CEE_LDIND_R4);
+ break;
+ case MONO_TYPE_R8:
+ mono_mb_emit_byte (mb, CEE_LDIND_R8);
+ break;
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ mono_mb_emit_byte (mb, CEE_LDIND_I8);
+ break;
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_OBJECT:
+ /* do nothing */
+ break;
+ case MONO_TYPE_VALUETYPE:
+ if (t->data.klass->enumtype) {
+ type = t->data.klass->enum_basetype->type;
+ goto handle_enum;
+ }
+ mono_mb_emit_byte (mb, CEE_LDOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+ }
+
+ mono_mb_emit_ldarg (mb, 3);
+ emit_thread_force_interrupt_checkpoint (mb);
+ mono_mb_emit_calli (mb, callsig);
+
+ if (sig->ret->byref) {
+ /* fixme: */
+ g_assert_not_reached ();
+ }
+
+
+ switch (sig->ret->type) {
+ case MONO_TYPE_VOID:
+ if (!method->string_ctor)
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ break;
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8:
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ case MONO_TYPE_VALUETYPE:
+ /* box value types */
+ mono_mb_emit_byte (mb, CEE_BOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
+ break;
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_OBJECT:
+ /* nothing to do */
+ break;
+ case MONO_TYPE_PTR:
+ default:
+ g_assert_not_reached ();
+ }
+
+ mono_mb_emit_stloc (mb, 0);
+
+ mono_mb_emit_byte (mb, CEE_LEAVE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ clause = g_new0 (MonoExceptionClause, 1);
+ clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
+ clause->try_len = mb->pos;
+
+ /* filter code */
+ clause->data.filter_offset = mb->pos;
+
+ mono_mb_emit_byte (mb, CEE_POP);
+ mono_mb_emit_byte (mb, CEE_LDARG_2);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_byte (mb, CEE_PREFIX1);
+ mono_mb_emit_byte (mb, CEE_CGT_UN);
+ mono_mb_emit_byte (mb, CEE_PREFIX1);
+ mono_mb_emit_byte (mb, CEE_ENDFILTER);
+
+ clause->handler_offset = mb->pos;
+
+ /* handler code */
+ /* store exception */
+ mono_mb_emit_stloc (mb, 1);
+
+ mono_mb_emit_byte (mb, CEE_LDARG_2);
+ mono_mb_emit_ldloc (mb, 1);
+ mono_mb_emit_byte (mb, CEE_STIND_I);
+
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_stloc (mb, 0);
+
+ /* Check for the abort exception */
+ mono_mb_emit_ldloc (mb, 1);
+ mono_mb_emit_byte (mb, CEE_ISINST);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
+ mono_mb_emit_byte (mb, CEE_BRFALSE_S);
+ posna = mb->pos;
+ mono_mb_emit_byte (mb, 0);
+
+ /* Delay the abort exception */
+ mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
+
+ mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
+ mono_mb_emit_byte (mb, CEE_LEAVE);
+ mono_mb_emit_i4 (mb, 0);
+
+ clause->handler_len = mb->pos - clause->handler_offset;
+
+ /* return result */
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ mono_mb_emit_ldloc (mb, 0);
+ mono_mb_emit_byte (mb, CEE_RET);
+
+ /* taken from mono_mb_create_and_cache */
+ EnterCriticalSection (&marshal_mutex);
+
+ res = g_hash_table_lookup (cache, callsig);
+ /* Somebody may have created it before us */
+ if (!res) {
+ res = mono_mb_create_method (mb, csig, sig->param_count + 16);
+ g_hash_table_insert (cache, callsig, res);
+ g_hash_table_insert (wrapper_hash, res, callsig);
+ }
+
+ LeaveCriticalSection (&marshal_mutex);
+ /* end mono_mb_create_and_cache */
+
+ mono_mb_free (mb);
+
+ header = ((MonoMethodNormal *)res)->header;
+ header->num_clauses = 1;
+ header->clauses = clause;
+
+ return res;
+}
+
+static void
+raise_auto_layout_exception (MonoClass *klass)
+{
+ char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
+ klass->name_space, klass->name);
+
+ MonoException *e = mono_exception_from_name_msg (
+ mono_get_corlib (), "System.Runtime.InteropServices",
+ "MarshalDirectiveException", msg);
+ g_free (msg);
+ mono_raise_exception (e);
+}
+
+/*
+ * generates IL code to call managed methods from unmanaged code
+ */
+MonoMethod *
+mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
+{
+ MonoMethodSignature *sig, *csig;
+ MonoMethodBuilder *mb;
+ MonoClass *klass = NULL;
+ MonoMethod *res;
+ GHashTable *cache;
+ int i, pos = 0, *tmp_locals;
+ static MonoMethodSignature *alloc_sig = NULL;
+ int retobj_var = 0;
+
+ g_assert (method != NULL);
+ g_assert (!method->signature->pinvoke);
+
+ cache = method->klass->image->managed_wrapper_cache;
+ if (!this && (res = mono_marshal_find_in_cache (cache, method)))
+ return res;
+
+ /* Under MS, the allocation should be done using CoTaskMemAlloc */
+ if (!alloc_sig) {
+ alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
+ alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
+ alloc_sig->ret = &mono_defaults.int_class->byval_arg;
+ alloc_sig->pinvoke = 1;
+ }
+
+ sig = method->signature;
+
+ mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
+
+ /* allocate local 0 (pointer) src_ptr */
+ mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ /* allocate local 1 (pointer) dst_ptr */
+ mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ /* allocate local 2 (boolean) delete_old */
+ mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
+
+ if (!MONO_TYPE_IS_VOID(sig->ret)) {
+ /* allocate local 3 to store the return value */
+ mono_mb_add_local (mb, sig->ret);
+ }
+
+ mono_mb_emit_icon (mb, 0);
+ mono_mb_emit_byte (mb, CEE_STLOC_2);
+
+ /* we copy the signature, so that we can modify it */
+ csig = mono_metadata_signature_dup (sig);
+ csig->hasthis = 0;
+ csig->pinvoke = 1;
+
+#ifdef PLATFORM_WIN32
+ /*
+ * Under windows, delegates passed to native code must use the STDCALL
+ * calling convention.
+ */
+ csig->call_convention = MONO_CALL_STDCALL;
+#endif
+
+ /* fixme: howto handle this ? */
+ if (sig->hasthis) {
+
+ if (this) {
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
+
+
+ } else {
+ /* fixme: */
+ g_assert_not_reached ();
+ }
+ }
+
+
+ /* we first do all conversions */
+ tmp_locals = alloca (sizeof (int) * sig->param_count);
+ for (i = 0; i < sig->param_count; i ++) {
+ MonoType *t = sig->params [i];
+ MonoMarshalSpec *spec = mspecs [i + 1];
+
+ tmp_locals [i] = 0;
+
+ /* Ensure that we have marshalling info for this param */
+ mono_marshal_load_type_info (mono_class_from_mono_type (t));
+
+ if (spec && spec->native == MONO_NATIVE_CUSTOM) {
+ MonoType *mtype;
+ MonoClass *mklass;
+ MonoMethod *marshal_native_to_managed;
+ MonoMethod *get_instance;
+
+ mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
+ g_assert (mtype != NULL);
+ mklass = mono_class_from_mono_type (mtype);
+ g_assert (mklass != NULL);
+
+ marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
+ g_assert (marshal_native_to_managed);
+ get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
+ g_assert (get_instance);
+
+ switch (t->type) {
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ if (t->byref)
+ break;
+
+ tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+
+ mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
+
+ mono_mb_emit_byte (mb, CEE_CALL);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
+
+ mono_mb_emit_ldarg (mb, i);
+
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
+
+ mono_mb_emit_stloc (mb, tmp_locals [i]);
+ break;
+ default:
+ g_warning ("custom marshalling of type %x is currently not supported", t->type);
+ g_assert_not_reached ();
+ break;
+ }
+ continue;
+ }
+
+ switch (t->type) {
+ case MONO_TYPE_CLASS: {
+ klass = t->data.klass;
+
+ tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
+
+ if (klass->delegate) {
+ g_assert (!t->byref);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
+ mono_mb_emit_ldarg (mb, i);
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
+ mono_mb_emit_stloc (mb, tmp_locals [i]);
+ break;
+ }
+
+ /* The class can not have an automatic layout */
+ if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
+ raise_auto_layout_exception (klass);
+
+ if (t->attrs & PARAM_ATTRIBUTE_OUT) {
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_stloc (mb, tmp_locals [i]);
+ break;
+ }
+
+ /* Set src */
+ mono_mb_emit_ldarg (mb, i);
+ if (t->byref) {
+ int pos2;
+
+ /* Check for NULL and raise an exception */
+ mono_mb_emit_byte (mb, CEE_BRTRUE);
+ pos2 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
+
+ mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
+ mono_mb_emit_ldarg (mb, i);
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ }
+
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_stloc (mb, tmp_locals [i]);
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ /* Create and set dst */
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
+ mono_mb_emit_stloc (mb, tmp_locals [i]);
+ mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
+ mono_mb_emit_icon (mb, sizeof (MonoObject));
+ mono_mb_emit_byte (mb, CEE_ADD);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, klass, TRUE);
+
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ break;
+ }
case MONO_TYPE_VALUETYPE:
klass = sig->params [i]->data.klass;
break;
}
- g_assert (tmp_locals [i]);
- if (t->byref)
- mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
- else
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ g_assert (tmp_locals [i]);
+ if (t->byref)
+ mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
+ else
+ mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ break;
+ default:
+ g_warning ("type 0x%02x unknown", t->type);
+ g_assert_not_reached ();
+ }
+ }
+
+ emit_thread_interrupt_checkpoint (mb);
+ mono_mb_emit_managed_call (mb, method, NULL);
+
+ /* Ensure that we have marshalling info for the return */
+ mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
+
+ if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
+ MonoMarshalSpec *spec = mspecs [0];
+ MonoType *mtype;
+ MonoClass *mklass;
+ guint32 loc1;
+
+ g_assert (!sig->ret->byref);
+
+ mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
+ g_assert (mtype);
+ mklass = mono_class_from_mono_type (mtype);
+ g_assert (mklass);
+
+ loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
+
+ switch (sig->ret->type) {
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_3);
+ mono_mb_emit_stloc (mb, loc1);
+
+ mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
+ mono_mb_emit_byte (mb, CEE_CALL);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "GetInstance", 1)));
+ mono_mb_emit_byte (mb, CEE_DUP);
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_3);
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1)));
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+
+ mono_mb_emit_ldloc (mb, loc1);
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1)));
+
break;
default:
- g_warning ("type 0x%02x unknown", t->type);
+ g_warning ("custom marshalling of type %x is currently not supported", sig->ret->type);
g_assert_not_reached ();
+ break;
}
}
-
- emit_thread_interrupt_checkpoint (mb);
- mono_mb_emit_managed_call (mb, method, NULL);
-
- /* Ensure that we have marshalling info for the return */
- mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
-
+ else
if (!sig->ret->byref) {
switch (sig->ret->type) {
case MONO_TYPE_VOID:
case MONO_TYPE_VALUETYPE:
klass = sig->ret->data.klass;
if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
- klass->blittable || klass->enumtype)
+ klass->blittable || klass->enumtype) {
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
break;
+ }
/* load pointer to returned value type */
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
break;
}
- /* FIXME: Raise a MarshalDirectiveException here */
- g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
+ /* The class can not have an automatic layout */
+ if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
+ raise_auto_layout_exception (klass);
mono_mb_emit_byte (mb, CEE_STLOC_0);
/* Check for null */
/* Set src */
mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
mono_mb_emit_icon (mb, sizeof (MonoObject));
mono_mb_emit_byte (mb, CEE_ADD);
mono_mb_emit_byte (mb, CEE_STLOC_0);
/* Convert byref arguments back */
for (i = 0; i < sig->param_count; i ++) {
MonoType *t = sig->params [i];
+ MonoMarshalSpec *spec = mspecs [i + 1];
+
+ if (spec && spec->native == MONO_NATIVE_CUSTOM) {
+ MonoType *mtype;
+ MonoClass *mklass;
+ MonoMethod *cleanup_managed;
+ MonoMethod *get_instance;
+
+ mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
+ g_assert (mtype != NULL);
+ mklass = mono_class_from_mono_type (mtype);
+ g_assert (mklass != NULL);
+
+ get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
+ g_assert (get_instance);
+ cleanup_managed = mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1);
+ g_assert (cleanup_managed);
+
+ switch (t->type) {
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ if (t->byref)
+ g_assert_not_reached ();
+
+ /* Call CleanUpManagedData */
+
+ mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
+
+ mono_mb_emit_byte (mb, CEE_CALL);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
+
+ mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
+
+ break;
+ default:
+ g_warning ("custom marshalling of type %x is currently not supported", t->type);
+ g_assert_not_reached ();
+ break;
+ }
+ continue;
+ }
if (!t->byref)
continue;
/* Set src */
mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
mono_mb_emit_icon (mb, sizeof (MonoObject));
mono_mb_emit_byte (mb, CEE_ADD);
mono_mb_emit_byte (mb, CEE_STLOC_0);
if (!this)
res = mono_mb_create_and_cache (cache, method,
mb, csig, sig->param_count + 16);
- else
+ else {
res = mono_mb_create_method (mb, csig, sig->param_count + 16);
+ res->dynamic = 1;
+ }
mono_mb_free (mb);
/* 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)); */
csig = mono_metadata_signature_dup (sig);
csig->pinvoke = 0;
+ if (csig->call_convention == MONO_CALL_VARARG)
+ csig->call_convention = 0;
res = mono_mb_create_method (mb, csig, csig->param_count + 16);
mono_mb_free (mb);
return res;
}
-/**
- * mono_marshal_get_native_wrapper:
- * @method: The MonoMethod to wrap.
- *
- * generates IL code for the pinvoke wrapper (the generated method
- * calls the unmanaged code in method->addr)
- */
-MonoMethod *
-mono_marshal_get_native_wrapper (MonoMethod *method)
-{
- MonoMethodSignature *sig, *csig;
- MonoMethodPInvoke *piinfo;
+typedef struct {
MonoMethodBuilder *mb;
- MonoMarshalSpec **mspecs;
- MonoMethod *res;
- GHashTable *cache;
- MonoClass *klass;
- gboolean pinvoke = FALSE;
- int i, pos, argnum, *tmp_locals;
- int type;
- const char *exc_class = "MissingMethodException";
- const char *exc_arg = NULL;
+ MonoMethodPInvoke *piinfo;
+ int *orig_conv_args; /* Locals containing the original values of byref args */
+} EmitMarshalContext;
- g_assert (method != NULL);
- g_assert (method->signature->pinvoke);
+typedef enum {
+ MARSHAL_ACTION_CONV_IN,
+ MARSHAL_ACTION_PUSH,
+ MARSHAL_ACTION_CONV_OUT,
+ MARSHAL_ACTION_CONV_RESULT
+} MarshalAction;
- cache = method->klass->image->native_wrapper_cache;
- if ((res = mono_marshal_find_in_cache (cache, method)))
- return res;
+static int
+emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoType *mtype;
+ MonoClass *mklass;
+ MonoMethod *get_instance, *cleanup_native;
+ MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
+ MonoMethodBuilder *mb = m->mb;
+ guint32 loc1;
+
+ mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
+ g_assert (mtype != NULL);
+ mklass = mono_class_from_mono_type (mtype);
+ g_assert (mklass != NULL);
+
+ get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
+ g_assert (get_instance);
+ cleanup_native = mono_class_get_method_from_name (mklass, "CleanUpNativeData", 1);
+ g_assert (cleanup_native);
+ marshal_managed_to_native = mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1);
+ g_assert (marshal_managed_to_native);
+ marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
+ g_assert (marshal_native_to_managed);
+
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN:
+ switch (t->type) {
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_VALUETYPE:
+ if (t->byref)
+ break;
- sig = method->signature;
+ conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
- (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
- pinvoke = TRUE;
+ mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
- if (!method->addr) {
- if (pinvoke)
- mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
- else
- method->addr = mono_lookup_internal_call (method);
- }
+ mono_mb_emit_byte (mb, CEE_CALL);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
+
+ mono_mb_emit_ldarg (mb, argnum);
- mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
+ if (t->type == MONO_TYPE_VALUETYPE) {
+ /*
+ * Since we can't determine the type of the argument, we
+ * will assume the unmanaged function takes a pointer.
+ */
+ *conv_arg_type = &mono_defaults.int_class->byval_arg;
- mb->method->save_lmf = 1;
+ mono_mb_emit_byte (mb, CEE_BOX);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
+ }
- piinfo = (MonoMethodPInvoke *)method;
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
+ mono_mb_emit_stloc (mb, conv_arg);
+ break;
- if (!method->addr) {
- mono_mb_emit_exception (mb, exc_class, exc_arg);
- csig = mono_metadata_signature_dup (sig);
- csig->pinvoke = 0;
- res = mono_mb_create_and_cache (cache, method,
- mb, csig, csig->param_count + 16);
- mono_mb_free (mb);
- return res;
+ default:
+ g_warning ("custom marshalling of type %x is currently not supported", t->type);
+ g_assert_not_reached ();
+ break;
+ }
+
+ break;
+
+ case MARSHAL_ACTION_CONV_OUT:
+ switch (t->type) {
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_VALUETYPE:
+ mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
+
+ mono_mb_emit_byte (mb, CEE_CALL);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
+
+ mono_mb_emit_ldloc (mb, conv_arg);
+
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
+
+ break;
+
+ default:
+ g_warning ("custom marshalling of type %x is currently not supported", t->type);
+ g_assert_not_reached ();
+ break;
+ }
+ break;
+
+ case MARSHAL_ACTION_PUSH:
+ mono_mb_emit_ldloc (mb, conv_arg);
+ break;
+
+ case MARSHAL_ACTION_CONV_RESULT:
+ loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+
+ switch (t->type) {
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_3);
+ mono_mb_emit_stloc (mb, loc1);
+
+ mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
+
+ mono_mb_emit_byte (mb, CEE_CALL);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
+ mono_mb_emit_byte (mb, CEE_DUP);
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_3);
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+
+ mono_mb_emit_ldloc (mb, loc1);
+ mono_mb_emit_byte (mb, CEE_CALLVIRT);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
+
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+ break;
+
+ default:
+ g_assert_not_reached ();
}
+
+ return conv_arg;
+}
- /* internal calls: we simply push all arguments and call the method (no conversions) */
- if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
+static int
+emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
- /* hack - string constructors returns a value */
- if (method->string_ctor) {
- csig = mono_metadata_signature_dup (sig);
- csig->ret = &mono_defaults.string_class->byval_arg;
- } else
- csig = sig;
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN: {
+ MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
- if (sig->hasthis)
- mono_mb_emit_byte (mb, CEE_LDARG_0);
+ g_assert (t->type == MONO_TYPE_OBJECT);
+ g_assert (!t->byref);
- for (i = 0; i < sig->param_count; i++)
- mono_mb_emit_ldarg (mb, i + sig->hasthis);
+ conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_icon (mb, encoding);
+ mono_mb_emit_icall (mb, mono_marshal_asany);
+ mono_mb_emit_stloc (mb, conv_arg);
+ break;
+ }
- g_assert (method->addr);
- mono_mb_emit_native_call (mb, csig, method->addr);
- emit_thread_interrupt_checkpoint (mb);
- mono_mb_emit_byte (mb, CEE_RET);
+ case MARSHAL_ACTION_PUSH:
+ mono_mb_emit_ldloc (mb, conv_arg);
+ break;
- csig = mono_metadata_signature_dup (csig);
- csig->pinvoke = 0;
- res = mono_mb_create_and_cache (cache, method,
- mb, csig, csig->param_count + 16);
- mono_mb_free (mb);
- return res;
+ case MARSHAL_ACTION_CONV_OUT: {
+ MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
+
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_icon (mb, encoding);
+ mono_mb_emit_icall (mb, mono_marshal_free_asany);
+ break;
}
- g_assert (pinvoke);
+ default:
+ g_assert_not_reached ();
+ }
- mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
- mono_method_get_marshal_info (method, mspecs);
+ return conv_arg;
+}
- /* pinvoke: we need to convert the arguments if necessary */
+static int
+emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
+ MonoClass *klass;
+ int pos = 0;
- /* we copy the signature, so that we can set pinvoke to 0 */
- csig = mono_metadata_signature_dup (sig);
- csig->pinvoke = 1;
+ klass = t->data.klass;
- /* we allocate local for use with emit_struct_conv() */
- /* allocate local 0 (pointer) src_ptr */
- mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- /* allocate local 1 (pointer) dst_ptr */
- mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- /* allocate local 2 (boolean) delete_old */
- mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN:
+ if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
+ klass->blittable || klass->enumtype)
+ break;
+
+ conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+
+ /* store the address of the source into local variable 0 */
+ if (t->byref)
+ mono_mb_emit_ldarg (mb, argnum);
+ else
+ mono_mb_emit_ldarg_addr (mb, argnum);
+
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+
+ /* allocate space for the native struct and
+ * store the address into local variable 1 (dest) */
+ mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
+ mono_mb_emit_byte (mb, CEE_PREFIX1);
+ mono_mb_emit_byte (mb, CEE_LOCALLOC);
+ mono_mb_emit_stloc (mb, conv_arg);
+
+ if (t->byref) {
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+ }
+
+ /* set dst_ptr */
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, klass, FALSE);
+
+ if (t->byref)
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ break;
- /* delete_old = FALSE */
- mono_mb_emit_icon (mb, 0);
- mono_mb_emit_byte (mb, CEE_STLOC_2);
+ case MARSHAL_ACTION_PUSH:
+ if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
+ klass->blittable || klass->enumtype) {
+ mono_mb_emit_ldarg (mb, argnum);
+ break;
+ }
+ mono_mb_emit_ldloc (mb, conv_arg);
+ if (!t->byref) {
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
+ }
+ break;
- if (!MONO_TYPE_IS_VOID(sig->ret)) {
- /* allocate local 3 to store the return value */
- mono_mb_add_local (mb, sig->ret);
- }
+ case MARSHAL_ACTION_CONV_OUT:
+ if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
+ klass->blittable || klass->enumtype)
+ break;
- if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
- /* Return type custom marshaling */
- /*
- * Since we can't determine the return type of the unmanaged function,
- * we assume it returns a pointer, and pass that pointer to
- * MarshalNativeToManaged.
- */
- csig->ret = &mono_defaults.int_class->byval_arg;
- }
+ if (t->byref) {
+ /* dst = argument */
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
- /* we first do all conversions */
- tmp_locals = alloca (sizeof (int) * sig->param_count);
+ mono_mb_emit_byte (mb, CEE_LDLOC_1);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
- for (i = 0; i < sig->param_count; i ++) {
- MonoType *t = sig->params [i];
- MonoMarshalSpec *spec = mspecs [i + 1];
+ /* src = tmp_locals [i] */
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
- argnum = i + sig->hasthis;
- tmp_locals [i] = 0;
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, klass, TRUE);
+ }
- /* Ensure that we have marshalling info for this param */
- mono_marshal_load_type_info (mono_class_from_mono_type (t));
+ emit_struct_free (mb, klass, conv_arg);
+
+ if (t->byref)
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ break;
- if (spec && spec->native == MONO_NATIVE_CUSTOM) {
- MonoType *mtype;
- MonoClass *mklass;
- MonoMethod *marshal_managed_to_native;
- MonoMethod *get_instance;
+ case MARSHAL_ACTION_CONV_RESULT:
+ if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
+ klass->blittable) {
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+ break;
+ }
+ /* load pointer to returned value type */
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
+ /* store the address of the source into local variable 0 */
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+ /* set dst_ptr */
+ mono_mb_emit_ldloc_addr (mb, 3);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, klass, TRUE);
+ break;
- /* FIXME: Call CleanUpNativeData after the call */
+ default:
+ g_assert_not_reached ();
+ }
- mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
- g_assert (mtype != NULL);
- mklass = mono_class_from_mono_type (mtype);
- g_assert (mklass != NULL);
+ return conv_arg;
+}
- marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
- g_assert (marshal_managed_to_native);
- get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
- g_assert (get_instance);
-
- switch (t->type) {
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_VALUETYPE:
- if (t->byref)
- break;
+static int
+emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
+ MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
+ MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN:
+ *conv_arg_type = &mono_defaults.int_class->byval_arg;
+ conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
+ if (t->byref) {
+ if (t->attrs & PARAM_ATTRIBUTE_OUT)
+ break;
- mono_mb_emit_byte (mb, CEE_CALL);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
-
- mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ } else {
+ mono_mb_emit_ldarg (mb, argnum);
+ }
- if (t->type == MONO_TYPE_VALUETYPE) {
- /*
- * Since we can't determine the type of the argument, we
- * will assume the unmanaged function takes a pointer.
- */
- csig->params [i] = &mono_defaults.int_class->byval_arg;
+ if (conv == -1) {
+ char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
+ MonoException *exc = mono_get_exception_not_implemented (msg);
+ g_warning (msg);
+ g_free (msg);
+ mono_raise_exception (exc);
+ }
+ else
+ mono_mb_emit_icall (mb, conv_to_icall (conv));
- mono_mb_emit_byte (mb, CEE_BOX);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
- }
+ mono_mb_emit_stloc (mb, conv_arg);
+ break;
- mono_mb_emit_byte (mb, CEE_CALLVIRT);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
+ case MARSHAL_ACTION_CONV_OUT:
+ if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
+ mono_mb_emit_byte (mb, CEE_STIND_I);
+ } else {
+ if (mono_marshal_need_free (t, m->piinfo, spec)) {
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_icall (mb, mono_marshal_free);
+ }
+ }
+ break;
- mono_mb_emit_stloc (mb, tmp_locals [i]);
+ case MARSHAL_ACTION_CONV_RESULT:
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+
+ if (spec) {
+ switch (spec->native) {
+ case MONO_NATIVE_LPWSTR:
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
break;
-
default:
- g_warning ("custom marshalling of type %x is currently not supported", t->type);
+ g_warning ("marshalling conversion not implemented");
g_assert_not_reached ();
- break;
}
- continue;
+ } else {
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
}
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
- if (spec && spec->native == MONO_NATIVE_ASANY) {
- MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, NULL);
+ /* free the string */
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_icall (mb, g_free);
+ break;
- g_assert (t->type == MONO_TYPE_OBJECT);
- g_assert (!t->byref);
+ default:
+ g_assert_not_reached ();
+ }
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_icon (mb, encoding);
- mono_mb_emit_icall (mb, mono_marshal_asany);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- continue;
- }
-
- switch (t->type) {
- case MONO_TYPE_VALUETYPE:
- klass = t->data.klass;
+ return conv_arg;
+}
- if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
- klass->blittable || klass->enumtype)
- break;
+static int
+emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
+ MonoClass *klass = t->data.klass;
+ int pos, pos2, loc;
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
-
- /* store the address of the source into local variable 0 */
- if (t->byref)
- mono_mb_emit_ldarg (mb, argnum);
- else
- mono_mb_emit_ldarg_addr (mb, argnum);
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN:
+ *conv_arg_type = &mono_defaults.int_class->byval_arg;
+ conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ m->orig_conv_args [argnum] = 0;
+
+ if (klass->delegate) {
+ g_assert (!t->byref);
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
+ mono_mb_emit_stloc (mb, conv_arg);
+ } else if (klass == mono_defaults.stringbuilder_class) {
+ MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
+ MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
- /* allocate space for the native struct and
- * store the address into local variable 1 (dest) */
- mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
- mono_mb_emit_byte (mb, CEE_PREFIX1);
- mono_mb_emit_byte (mb, CEE_LOCALLOC);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
+ g_assert (!t->byref);
+ mono_mb_emit_ldarg (mb, argnum);
- if (t->byref) {
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ if (conv != -1)
+ mono_mb_emit_icall (mb, conv_to_icall (conv));
+ else {
+ char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
+ MonoException *exc = mono_get_exception_not_implemented (msg);
+ g_warning (msg);
+ g_free (msg);
+ mono_raise_exception (exc);
}
- /* set dst_ptr */
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
-
- /* emit valuetype conversion code */
- emit_struct_conv (mb, klass, FALSE);
-
- if (t->byref)
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ mono_mb_emit_stloc (mb, conv_arg);
+ } else if (klass->blittable) {
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
+ mono_mb_emit_icon (mb, sizeof (MonoObject));
+ mono_mb_emit_byte (mb, CEE_ADD);
+ mono_mb_emit_stloc (mb, conv_arg);
break;
- case MONO_TYPE_STRING: {
- MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
-
- csig->params [argnum] = &mono_defaults.int_class->byval_arg;
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ } else {
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_stloc (mb, conv_arg);
if (t->byref) {
+ /* we dont need any conversions for out parameters */
if (t->attrs & PARAM_ATTRIBUTE_OUT)
break;
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+
} else {
mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
}
-
- switch (encoding) {
- case MONO_NATIVE_LPWSTR:
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPWSTR));
- break;
- case MONO_NATIVE_LPSTR:
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
- break;
- case MONO_NATIVE_LPTSTR:
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPTSTR));
- break;
- default: {
- char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
- MonoException *exc = mono_get_exception_not_implemented (msg);
- g_warning (msg);
- g_free (msg);
- mono_raise_exception (exc);
- }
- }
-
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- break;
- }
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- klass = t->data.klass;
-
- csig->params [argnum] = &mono_defaults.int_class->byval_arg;
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
-
- if (klass->delegate) {
- g_assert (!t->byref);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- } else if (klass == mono_defaults.stringbuilder_class) {
- MonoMarshalNative encoding = mono_marshal_get_stringbuilder_to_ptr_encoding (piinfo, spec);
-
- g_assert (!t->byref);
- mono_mb_emit_ldarg (mb, argnum);
-
- if (encoding != -1)
- mono_mb_emit_icall (mb, conv_to_icall (encoding));
- else {
- char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
- MonoException *exc = mono_get_exception_not_implemented (msg);
- g_warning (msg);
- g_free (msg);
- mono_raise_exception (exc);
- }
-
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- } else {
- mono_mb_emit_byte (mb, CEE_LDNULL);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
-
- if (t->byref) {
- /* we dont need any conversions for out parameters */
- if (t->attrs & PARAM_ATTRIBUTE_OUT)
- break;
-
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDIND_I);
-
- } else {
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
- }
-
- /* store the address of the source into local variable 0 */
- mono_mb_emit_byte (mb, CEE_STLOC_0);
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
-
- /* allocate space for the native struct and store the address */
- mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
- mono_mb_emit_byte (mb, CEE_PREFIX1);
- mono_mb_emit_byte (mb, CEE_LOCALLOC);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- /* set the src_ptr */
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- mono_mb_emit_icon (mb, sizeof (MonoObject));
- mono_mb_emit_byte (mb, CEE_ADD);
- mono_mb_emit_byte (mb, CEE_STLOC_0);
-
- /* set dst_ptr */
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
+ /* store the address of the source into local variable 0 */
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
- /* emit valuetype conversion code */
- emit_struct_conv (mb, klass, FALSE);
+ /* allocate space for the native struct and store the address */
+ mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
+ mono_mb_emit_byte (mb, CEE_PREFIX1);
+ mono_mb_emit_byte (mb, CEE_LOCALLOC);
+ mono_mb_emit_stloc (mb, conv_arg);
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ if (t->byref) {
+ /* Need to store the original buffer so we can free it later */
+ m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
}
- break;
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- if (t->byref)
- continue;
+ /* set the src_ptr */
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
+ mono_mb_emit_icon (mb, sizeof (MonoObject));
+ mono_mb_emit_byte (mb, CEE_ADD);
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
- klass = mono_class_from_mono_type (t);
+ /* set dst_ptr */
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
- csig->params [argnum] = &mono_defaults.int_class->byval_arg;
- tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, klass, FALSE);
- if (klass->element_class == mono_defaults.string_class) {
- MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ }
+ break;
- mono_mb_emit_ldarg (mb, argnum);
+ case MARSHAL_ACTION_CONV_OUT:
+ if (klass == mono_defaults.stringbuilder_class) {
+ gboolean need_free;
+ MonoMarshalNative encoding;
+ MonoMarshalConv conv;
- switch (encoding) {
- case MONO_NATIVE_LPSTR:
- mono_mb_emit_icall (mb, mono_marshal_string_array);
- break;
- case MONO_NATIVE_LPWSTR:
- mono_mb_emit_icall (mb, mono_marshal_string_array_to_unicode);
- break;
- default: {
- char *msg = g_strdup_printf ("string array marshalling conversion %d not implemented", encoding);
- MonoException *exc = mono_get_exception_not_implemented (msg);
- g_warning (msg);
- g_free (msg);
- mono_raise_exception (exc);
- }
- }
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- }
- else if (klass->element_class->blittable) {
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- }
- else {
- MonoClass *eklass;
- guint32 label1, label2, label3;
- int index_var, dest_ptr, esize;
- MonoMarshalNative encoding = mono_marshal_get_stringbuilder_to_ptr_encoding (piinfo, spec);
+ encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
+ conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
- dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ g_assert (!t->byref);
+ g_assert (encoding != -1);
- eklass = klass->element_class;
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_ldloc (mb, conv_arg);
- /* Check null */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- label1 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ mono_mb_emit_icall (mb, conv_to_icall (conv));
- if (eklass == mono_defaults.stringbuilder_class) {
- if (encoding == -1) {
- char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
- MonoException *exc = mono_get_exception_not_implemented (msg);
- g_warning (msg);
- g_free (msg);
- mono_raise_exception (exc);
- }
- }
+ if (need_free) {
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_icall (mb, mono_marshal_free);
+ }
+ break;
+ }
- if (eklass == mono_defaults.stringbuilder_class)
- esize = sizeof (gpointer);
- else
- esize = mono_class_native_size (eklass, NULL);
+ if (klass->delegate)
+ break;
- /* allocate space for the native struct and store the address */
- mono_mb_emit_icon (mb, esize);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDLEN);
- mono_mb_emit_byte (mb, CEE_MUL);
- mono_mb_emit_byte (mb, CEE_PREFIX1);
- mono_mb_emit_byte (mb, CEE_LOCALLOC);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
+ if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
+ /* allocate a new object */
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
+ mono_mb_emit_byte (mb, CEE_STIND_I);
+ }
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_stloc (mb, dest_ptr);
+ /* dst = *argument */
+ mono_mb_emit_ldarg (mb, argnum);
- /* Emit marshalling loop */
- index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- mono_mb_emit_byte (mb, CEE_LDC_I4_0);
- mono_mb_emit_stloc (mb, index_var);
- label2 = mb->pos;
- mono_mb_emit_ldloc (mb, index_var);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDLEN);
- mono_mb_emit_byte (mb, CEE_BGE);
- label3 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
- /* Emit marshalling code */
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
- if (eklass == mono_defaults.stringbuilder_class) {
- mono_mb_emit_ldloc (mb, dest_ptr);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, index_var);
- mono_mb_emit_byte (mb, CEE_LDELEM_REF);
- mono_mb_emit_icall (mb, conv_to_icall (encoding));
- mono_mb_emit_byte (mb, CEE_STIND_I);
- }
- else {
- /* set the src_ptr */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, index_var);
- mono_mb_emit_byte (mb, CEE_LDELEMA);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ mono_mb_emit_byte (mb, CEE_LDLOC_1);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
- /* set dst_ptr */
- mono_mb_emit_ldloc (mb, dest_ptr);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
+ if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
+ mono_mb_emit_byte (mb, CEE_LDLOC_1);
+ mono_mb_emit_icon (mb, sizeof (MonoObject));
+ mono_mb_emit_byte (mb, CEE_ADD);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* src = tmp_locals [i] */
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
- /* emit valuetype conversion code */
- emit_struct_conv (mb, eklass, FALSE);
- }
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, t->data.klass, TRUE);
+
+ /* Free the structure returned by the native code */
+ emit_struct_free (mb, klass, conv_arg);
+
+ if (m->orig_conv_args [argnum]) {
+ /*
+ * If the native function changed the pointer, then free
+ * the original structure plus the new pointer.
+ */
+ mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_byte (mb, CEE_BEQ);
+ pos2 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
- mono_mb_emit_add_to_local (mb, index_var, 1);
- mono_mb_emit_add_to_local (mb, dest_ptr, esize);
+ if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
+ g_assert (m->orig_conv_args [argnum]);
- mono_mb_emit_byte (mb, CEE_BR);
- mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
+ emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
+ }
- mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
- mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
- }
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_icall (mb, g_free);
- break;
- case MONO_TYPE_BOOLEAN: {
- MonoType *local_type;
- int variant_bool = 0;
- if (!t->byref)
- continue;
- if (spec == NULL) {
- local_type = &mono_defaults.int32_class->byval_arg;
- } else {
- switch (spec->native) {
- case MONO_NATIVE_I1:
- local_type = &mono_defaults.byte_class->byval_arg;
- break;
- case MONO_NATIVE_VARIANTBOOL:
- local_type = &mono_defaults.int16_class->byval_arg;
- variant_bool = 1;
- break;
- default:
- g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
- break;
- }
+ mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
}
- csig->params [argnum] = &mono_defaults.int_class->byval_arg;
- tmp_locals [i] = mono_mb_add_local (mb, local_type);
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDIND_I1);
- if (variant_bool)
- mono_mb_emit_byte (mb, CEE_NEG);
- mono_mb_emit_stloc (mb, tmp_locals [i]);
- break;
}
+ else
+ /* Free the original structure passed to native code */
+ emit_struct_free (mb, klass, conv_arg);
+
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
+ break;
+
+ case MARSHAL_ACTION_CONV_RESULT:
+ if (klass->delegate) {
+ g_assert (!t->byref);
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+ } else {
+ /* set src */
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+
+ /* Make a copy since emit_conv modifies local 0 */
+ loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_stloc (mb, loc);
+
+ mono_mb_emit_byte (mb, CEE_LDNULL);
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_0);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ pos = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ /* allocate result object */
+
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+
+ /* set dst */
+
+ mono_mb_emit_byte (mb, CEE_LDLOC_3);
+ mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
+ mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
+ mono_mb_emit_icon (mb, sizeof (MonoObject));
+ mono_mb_emit_byte (mb, CEE_ADD);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* emit conversion code */
+ emit_struct_conv (mb, klass, TRUE);
+
+ emit_struct_free (mb, klass, loc);
+
+ /* Free the pointer allocated by unmanaged code */
+ mono_mb_emit_ldloc (mb, loc);
+ mono_mb_emit_icall (mb, g_free);
+ mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
}
+ break;
+
+ default:
+ g_assert_not_reached ();
}
- /* push all arguments */
+ return conv_arg;
+}
- if (sig->hasthis)
- mono_mb_emit_byte (mb, CEE_LDARG_0);
+static int
+emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
+ MonoClass *klass = mono_class_from_mono_type (t);
+ gboolean need_convert, need_free;
- for (i = 0; i < sig->param_count; i++) {
- MonoType *t = sig->params [i];
- MonoMarshalSpec *spec = mspecs [i + 1];
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN:
+ *conv_arg_type = &mono_defaults.int_class->byval_arg;
+ conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- if (spec && spec->native == MONO_NATIVE_CUSTOM) {
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- }
- else
- if (spec && spec->native == MONO_NATIVE_ASANY) {
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ if (klass->element_class->blittable) {
+ mono_mb_emit_ldarg (mb, argnum);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
+ mono_mb_emit_stloc (mb, conv_arg);
}
else {
- argnum = i + sig->hasthis;
+ MonoClass *eklass;
+ guint32 label1, label2, label3;
+ int index_var, src_var, dest_ptr, esize;
+ MonoMarshalNative encoding;
+ MonoMarshalConv conv;
+ gboolean is_string = FALSE;
- switch (t->type) {
- case MONO_TYPE_BOOLEAN:
- if (t->byref) {
- g_assert (tmp_locals [i]);
- mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
- } else
- mono_mb_emit_ldarg (mb, argnum);
- break;
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_PTR:
- case MONO_TYPE_R4:
- case MONO_TYPE_R8:
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- mono_mb_emit_ldarg (mb, argnum);
- break;
- case MONO_TYPE_VALUETYPE:
- klass = sig->params [i]->data.klass;
- if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
- klass->blittable || klass->enumtype) {
- mono_mb_emit_ldarg (mb, argnum);
- break;
- }
- g_assert (tmp_locals [i]);
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- if (!t->byref) {
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
- }
- break;
- case MONO_TYPE_STRING:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- g_assert (tmp_locals [i]);
- if (t->byref)
- mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
- else
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- break;
- case MONO_TYPE_CHAR:
- /* fixme: dont know how to marshal that. We cant simply
- * convert it to a one byte UTF8 character, because an
- * unicode character may need more that one byte in UTF8 */
- mono_mb_emit_ldarg (mb, argnum);
- break;
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- if (t->byref) {
- mono_mb_emit_ldarg (mb, argnum);
- } else {
- g_assert (tmp_locals [i]);
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+
+ eklass = klass->element_class;
+
+ encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
+ if (eklass == mono_defaults.string_class) {
+ is_string = TRUE;
+ conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
+ }
+ else if (eklass == mono_defaults.stringbuilder_class) {
+ is_string = TRUE;
+ conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
+ }
+ else
+ conv = -1;
+
+ src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_ldarg (mb, argnum);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_stloc (mb, src_var);
+
+ /* Check null */
+ mono_mb_emit_ldloc (mb, src_var);
+ mono_mb_emit_stloc (mb, conv_arg);
+ mono_mb_emit_ldloc (mb, src_var);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ label1 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ if (is_string) {
+ if (conv == -1) {
+ char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
+ MonoException *exc = mono_get_exception_not_implemented (msg);
+ g_warning (msg);
+ g_free (msg);
+ mono_raise_exception (exc);
}
- break;
- case MONO_TYPE_TYPEDBYREF:
- case MONO_TYPE_FNPTR:
- default:
- g_warning ("type 0x%02x unknown", t->type);
- g_assert_not_reached ();
}
+
+ if (is_string)
+ esize = sizeof (gpointer);
+ else
+ esize = mono_class_native_size (eklass, NULL);
+
+ /* allocate space for the native struct and store the address */
+ mono_mb_emit_icon (mb, esize);
+ mono_mb_emit_ldloc (mb, src_var);
+ mono_mb_emit_byte (mb, CEE_LDLEN);
+
+ if (eklass == mono_defaults.string_class) {
+ /* Make the array bigger for the terminating null */
+ mono_mb_emit_byte (mb, CEE_LDC_I4_1);
+ mono_mb_emit_byte (mb, CEE_ADD);
+ }
+ mono_mb_emit_byte (mb, CEE_MUL);
+ mono_mb_emit_byte (mb, CEE_PREFIX1);
+ mono_mb_emit_byte (mb, CEE_LOCALLOC);
+ mono_mb_emit_stloc (mb, conv_arg);
+
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_stloc (mb, dest_ptr);
+
+ /* Emit marshalling loop */
+ index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_stloc (mb, index_var);
+ label2 = mb->pos;
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_ldloc (mb, src_var);
+ mono_mb_emit_byte (mb, CEE_LDLEN);
+ mono_mb_emit_byte (mb, CEE_BGE);
+ label3 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
+
+ /* Emit marshalling code */
+
+ if (is_string) {
+ mono_mb_emit_ldloc (mb, dest_ptr);
+ mono_mb_emit_ldloc (mb, src_var);
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ mono_mb_emit_icall (mb, conv_to_icall (conv));
+ mono_mb_emit_byte (mb, CEE_STIND_I);
+ }
+ else {
+ /* set the src_ptr */
+ mono_mb_emit_ldloc (mb, src_var);
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_byte (mb, CEE_LDELEMA);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
+
+ /* set dst_ptr */
+ mono_mb_emit_ldloc (mb, dest_ptr);
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, eklass, FALSE);
+ }
+
+ mono_mb_emit_add_to_local (mb, index_var, 1);
+ mono_mb_emit_add_to_local (mb, dest_ptr, esize);
+
+ mono_mb_emit_byte (mb, CEE_BR);
+ mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
+
+ mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
+
+ if (eklass == mono_defaults.string_class) {
+ /* Null terminate */
+ mono_mb_emit_ldloc (mb, dest_ptr);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
+ }
+
+ mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
}
- }
- /* call the native method */
- mono_mb_emit_native_call (mb, csig, method->addr);
+ break;
- /* Set LastError if needed */
- if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
- MonoMethodSignature *lasterr_sig;
+ case MARSHAL_ACTION_CONV_OUT:
+ /* Character arrays are implicitly marshalled as [Out] */
+ need_convert = (klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
+ need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
+ m->piinfo, spec);
+
+ if (need_convert || need_free) {
+ /* FIXME: Optimize blittable case */
+ MonoClass *eklass;
+ guint32 label1, label2, label3;
+ int index_var, src_ptr, loc, esize;
+
+ eklass = klass->element_class;
+ if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
+ esize = sizeof (gpointer);
+ else
+ esize = mono_class_native_size (eklass, NULL);
+ src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
- lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
- lasterr_sig->pinvoke = 1;
+ /* Check null */
+ mono_mb_emit_ldarg (mb, argnum);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_byte (mb, CEE_BRFALSE);
+ label1 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
- mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
- }
+ mono_mb_emit_ldloc (mb, conv_arg);
+ mono_mb_emit_stloc (mb, src_ptr);
- /* Ensure that we have marshalling info for the return */
- mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
+ /* Emit marshalling loop */
+ index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ mono_mb_emit_byte (mb, CEE_LDC_I4_0);
+ mono_mb_emit_stloc (mb, index_var);
+ label2 = mb->pos;
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_ldarg (mb, argnum);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_byte (mb, CEE_LDLEN);
+ mono_mb_emit_byte (mb, CEE_BGE);
+ label3 = mb->pos;
+ mono_mb_emit_i4 (mb, 0);
- /* convert the result */
- if (!sig->ret->byref) {
- MonoMarshalSpec *spec = mspecs [0];
- type = sig->ret->type;
+ /* Emit marshalling code */
- if (spec && spec->native == MONO_NATIVE_CUSTOM) {
- MonoType *mtype;
- MonoClass *mklass;
- MonoMethod *marshal_native_to_managed;
- MonoMethod *get_instance;
+ if (eklass == mono_defaults.stringbuilder_class) {
+ gboolean need_free2;
+ MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
- mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
- g_assert (mtype != NULL);
- mklass = mono_class_from_mono_type (mtype);
- g_assert (mklass != NULL);
+ g_assert (conv != -1);
- marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
- g_assert (marshal_native_to_managed);
- get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
- g_assert (get_instance);
-
- switch (type) {
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_VALUETYPE:
- if (type == MONO_TYPE_VALUETYPE) {
- /* local 3 can't hold a pointer */
- mono_mb_emit_byte (mb, CEE_STLOC_0);
- }
- else
- mono_mb_emit_byte (mb, CEE_STLOC_3);
+ /* dest */
+ mono_mb_emit_ldarg (mb, argnum);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_byte (mb, CEE_LDELEM_REF);
- mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
+ /* src */
+ mono_mb_emit_ldloc (mb, src_ptr);
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
- mono_mb_emit_byte (mb, CEE_CALL);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
+ mono_mb_emit_icall (mb, conv_to_icall (conv));
- if (type == MONO_TYPE_VALUETYPE)
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- else
- mono_mb_emit_byte (mb, CEE_LDLOC_3);
-
- mono_mb_emit_byte (mb, CEE_CALLVIRT);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
-
- if (type == MONO_TYPE_VALUETYPE) {
- mono_mb_emit_byte (mb, CEE_UNBOX);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
+ if (need_free) {
+ /* src */
+ mono_mb_emit_ldloc (mb, src_ptr);
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+
+ mono_mb_emit_icall (mb, mono_marshal_free);
}
- mono_mb_emit_byte (mb, CEE_STLOC_3);
- break;
- default:
- g_warning ("custom marshalling of type %x is currently not supported", type);
- g_assert_not_reached ();
- break;
}
- } else {
+ else if (eklass == mono_defaults.string_class) {
+ if (need_free) {
+ /* src */
+ mono_mb_emit_ldloc (mb, src_ptr);
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
- handle_enum:
- switch (type) {
- case MONO_TYPE_VOID:
- break;
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_PTR:
- case MONO_TYPE_R4:
- case MONO_TYPE_R8:
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- /* no conversions necessary */
- mono_mb_emit_byte (mb, CEE_STLOC_3);
- break;
- case MONO_TYPE_BOOLEAN:
- /* maybe we need to make sure that it fits within 8 bits */
- mono_mb_emit_byte (mb, CEE_STLOC_3);
- break;
- case MONO_TYPE_VALUETYPE:
- klass = sig->ret->data.klass;
- if (klass->enumtype) {
- type = sig->ret->data.klass->enum_basetype->type;
- goto handle_enum;
+ mono_mb_emit_icall (mb, mono_marshal_free);
}
+ }
+ else {
+ if (need_convert) {
+ /* set the src_ptr */
+ mono_mb_emit_ldloc (mb, src_ptr);
+ mono_mb_emit_byte (mb, CEE_STLOC_0);
- if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
- klass->blittable) {
- mono_mb_emit_byte (mb, CEE_STLOC_3);
- break;
- }
- /* load pointer to returned value type */
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
- /* store the address of the source into local variable 0 */
- mono_mb_emit_byte (mb, CEE_STLOC_0);
- /* set dst_ptr */
- mono_mb_emit_ldloc_addr (mb, 3);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
-
- /* emit valuetype conversion code */
- emit_struct_conv (mb, sig->ret->data.klass, TRUE);
- break;
- case MONO_TYPE_STRING:
- mono_mb_emit_byte (mb, CEE_STLOC_0);
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
-
- if (spec) {
- switch (spec->native) {
- case MONO_NATIVE_LPWSTR:
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
- break;
- default:
- g_warning ("marshalling conversion not implemented");
- g_assert_not_reached ();
- }
- } else {
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
+ /* set dst_ptr */
+ mono_mb_emit_ldarg (mb, argnum);
+ if (t->byref)
+ mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_byte (mb, CEE_LDELEMA);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
+ mono_mb_emit_byte (mb, CEE_STLOC_1);
+
+ /* emit valuetype conversion code */
+ emit_struct_conv (mb, eklass, TRUE);
}
- mono_mb_emit_byte (mb, CEE_STLOC_3);
- /* free the string */
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- mono_mb_emit_icall (mb, g_free);
- break;
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- klass = sig->ret->data.klass;
+ if (need_free) {
+ mono_mb_emit_ldloc (mb, src_ptr);
+ mono_mb_emit_stloc (mb, loc);
+ mono_mb_emit_ldloc (mb, loc);
- /* set src */
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ emit_struct_free (mb, eklass, loc);
+ }
+ }
- mono_mb_emit_byte (mb, CEE_LDNULL);
- mono_mb_emit_byte (mb, CEE_STLOC_3);
+ mono_mb_emit_add_to_local (mb, index_var, 1);
+ mono_mb_emit_add_to_local (mb, src_ptr, esize);
+ mono_mb_emit_byte (mb, CEE_BR);
+ mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
- mono_mb_emit_byte (mb, CEE_LDLOC_0);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
+ mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
+ }
+ break;
- /* allocate result object */
+ case MARSHAL_ACTION_CONV_RESULT:
+ /* fixme: we need conversions here */
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
- mono_mb_emit_byte (mb, CEE_STLOC_3);
-
- /* set dst */
+ default:
+ g_assert_not_reached ();
+ }
- mono_mb_emit_byte (mb, CEE_LDLOC_3);
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
- mono_mb_emit_icon (mb, sizeof (MonoObject));
- mono_mb_emit_byte (mb, CEE_ADD);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
-
- /* emit conversion code */
- emit_struct_conv (mb, klass, TRUE);
+ return conv_arg;
+}
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
- break;
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- /* fixme: we need conversions here */
- mono_mb_emit_byte (mb, CEE_STLOC_3);
+static int
+emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec,
+ int conv_arg, MonoType **conv_arg_type,
+ MarshalAction action)
+{
+ MonoMethodBuilder *mb = m->mb;
+
+ switch (action) {
+ case MARSHAL_ACTION_CONV_IN: {
+ MonoType *local_type;
+ int variant_bool = 0;
+ if (!t->byref)
+ break;
+ if (spec == NULL) {
+ local_type = &mono_defaults.int32_class->byval_arg;
+ } else {
+ switch (spec->native) {
+ case MONO_NATIVE_I1:
+ local_type = &mono_defaults.byte_class->byval_arg;
break;
- case MONO_TYPE_CHAR:
- /* fixme: we need conversions here */
- mono_mb_emit_byte (mb, CEE_STLOC_3);
+ case MONO_NATIVE_VARIANTBOOL:
+ local_type = &mono_defaults.int16_class->byval_arg;
+ variant_bool = 1;
break;
- case MONO_TYPE_TYPEDBYREF:
- case MONO_TYPE_FNPTR:
default:
- g_warning ("return type 0x%02x unknown", sig->ret->type);
- g_assert_not_reached ();
+ g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
+ local_type = &mono_defaults.int32_class->byval_arg;
+ break;
}
}
- } else {
- mono_mb_emit_byte (mb, CEE_STLOC_3);
+ *conv_arg_type = &mono_defaults.int_class->byval_arg;
+ conv_arg = mono_mb_add_local (mb, local_type);
+ mono_mb_emit_ldarg (mb, argnum);
+ mono_mb_emit_byte (mb, CEE_LDIND_I1);
+ if (variant_bool)
+ mono_mb_emit_byte (mb, CEE_NEG);
+ mono_mb_emit_stloc (mb, conv_arg);
+ break;
}
- /*
- * Need to call this after converting the result since MONO_VTADDR needs
- * to be adjacent to the call instruction.
- */
- emit_thread_interrupt_checkpoint (mb);
+ case MARSHAL_ACTION_CONV_RESULT:
+ /* maybe we need to make sure that it fits within 8 bits */
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+ break;
- /* we need to convert byref arguments back and free string arrays */
- for (i = 0; i < sig->param_count; i++) {
- MonoType *t = sig->params [i];
- MonoMarshalSpec *spec = mspecs [i + 1];
+ default:
+ g_assert_not_reached ();
+ }
- argnum = i + sig->hasthis;
+ return conv_arg;
+}
- if (spec && spec->native == MONO_NATIVE_CUSTOM) {
- MonoType *mtype;
- MonoClass *mklass;
- MonoMethod *get_instance;
- MonoMethod *cleanup_native;
+static int
+emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
+ MonoMarshalSpec *spec, int conv_arg,
+ MonoType **conv_arg_type, MarshalAction action)
+{
+ /* Ensure that we have marshalling info for this param */
+ mono_marshal_load_type_info (mono_class_from_mono_type (t));
- mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
- g_assert (mtype != NULL);
- mklass = mono_class_from_mono_type (mtype);
- g_assert (mklass != NULL);
+ if (spec && spec->native == MONO_NATIVE_CUSTOM)
+ return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+
+ if (spec && spec->native == MONO_NATIVE_ASANY)
+ return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+
+ switch (t->type) {
+ case MONO_TYPE_VALUETYPE:
+ return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+ case MONO_TYPE_STRING:
+ return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+ case MONO_TYPE_BOOLEAN:
+ return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
+ }
- get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
- g_assert (get_instance);
- cleanup_native = mono_find_method_by_name (mklass, "CleanUpNativeData", 1);
- g_assert (get_instance);
-
- switch (t->type) {
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_VALUETYPE:
- mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
+ return conv_arg;
+}
- mono_mb_emit_byte (mb, CEE_CALL);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
-
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
+/**
+ * mono_marshal_get_native_wrapper:
+ * @method: The MonoMethod to wrap.
+ *
+ * generates IL code for the pinvoke wrapper (the generated method
+ * calls the unmanaged code in piinfo->addr)
+ */
+MonoMethod *
+mono_marshal_get_native_wrapper (MonoMethod *method)
+{
+ EmitMarshalContext m;
+ MonoMethodSignature *sig, *csig;
+ MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
+ MonoMethodBuilder *mb;
+ MonoMarshalSpec **mspecs;
+ MonoMethod *res;
+ GHashTable *cache;
+ MonoClass *klass;
+ gboolean pinvoke = FALSE;
+ int i, argnum, *tmp_locals;
+ int type;
+ const char *exc_class = "MissingMethodException";
+ const char *exc_arg = NULL;
- mono_mb_emit_byte (mb, CEE_CALLVIRT);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
+ g_assert (method != NULL);
+ g_assert (method->signature->pinvoke);
- break;
+ cache = method->klass->image->native_wrapper_cache;
+ if ((res = mono_marshal_find_in_cache (cache, method)))
+ return res;
- default:
- g_warning ("custom marshalling of type %x is currently not supported", t->type);
- g_assert_not_reached ();
- break;
- }
- continue;
- }
+ sig = method->signature;
- if (spec && spec->native == MONO_NATIVE_ASANY) {
- MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, NULL);
+ if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
+ (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
+ pinvoke = TRUE;
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_icon (mb, encoding);
- mono_mb_emit_icall (mb, mono_marshal_free_asany);
- continue;
- }
-
- switch (t->type) {
- case MONO_TYPE_STRING:
- if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
- mono_mb_emit_byte (mb, CEE_STIND_I);
- } else {
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_icall (mb, g_free);
- }
- break;
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- if (t->data.klass == mono_defaults.stringbuilder_class) {
- gboolean need_free;
- MonoMarshalNative encoding;
+ if (!piinfo->addr) {
+ if (pinvoke)
+ mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
+ else
+ piinfo->addr = mono_lookup_internal_call (method);
+ }
- encoding = mono_marshal_get_ptr_to_stringbuilder_encoding (piinfo, spec, &need_free);
+ mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
- g_assert (!t->byref);
- g_assert (encoding != -1);
+ mb->method->save_lmf = 1;
+
+ if (!piinfo->addr) {
+ mono_mb_emit_exception (mb, exc_class, exc_arg);
+ csig = mono_metadata_signature_dup (sig);
+ csig->pinvoke = 0;
+ res = mono_mb_create_and_cache (cache, method,
+ mb, csig, csig->param_count + 16);
+ mono_mb_free (mb);
+ return res;
+ }
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ m.mb = mb;
+ m.piinfo = piinfo;
- mono_mb_emit_icall (mb, conv_to_icall (encoding));
+ /* internal calls: we simply push all arguments and call the method (no conversions) */
+ if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
- if (need_free) {
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_icall (mb, g_free);
- }
- break;
- }
-
- if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
- continue;
+ /* hack - string constructors returns a value */
+ if (method->string_ctor) {
+ csig = mono_metadata_signature_dup (sig);
+ csig->ret = &mono_defaults.string_class->byval_arg;
+ } else
+ csig = sig;
- if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
- /* allocate a new object new object */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
- mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
- mono_mb_emit_byte (mb, CEE_STIND_I);
- }
+ if (sig->hasthis)
+ mono_mb_emit_byte (mb, CEE_LDARG_0);
- /* dst = *argument */
- mono_mb_emit_ldarg (mb, argnum);
+ for (i = 0; i < sig->param_count; i++)
+ mono_mb_emit_ldarg (mb, i + sig->hasthis);
- if (t->byref)
- mono_mb_emit_byte (mb, CEE_LDIND_I);
+ g_assert (piinfo->addr);
+ mono_mb_emit_native_call (mb, csig, piinfo->addr);
+ emit_thread_interrupt_checkpoint (mb);
+ mono_mb_emit_byte (mb, CEE_RET);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
+ csig = mono_metadata_signature_dup (csig);
+ csig->pinvoke = 0;
+ res = mono_mb_create_and_cache (cache, method,
+ mb, csig, csig->param_count + 16);
+ mono_mb_free (mb);
+ return res;
+ }
- mono_mb_emit_byte (mb, CEE_LDLOC_1);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ g_assert (pinvoke);
- mono_mb_emit_byte (mb, CEE_LDLOC_1);
- mono_mb_emit_icon (mb, sizeof (MonoObject));
- mono_mb_emit_byte (mb, CEE_ADD);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
-
- /* src = tmp_locals [i] */
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
+ mono_method_get_marshal_info (method, mspecs);
- /* emit valuetype conversion code */
- emit_struct_conv (mb, klass, TRUE);
+ /* pinvoke: we need to convert the arguments if necessary */
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
- break;
- case MONO_TYPE_VALUETYPE:
- if (!t->byref)
- continue;
-
- klass = t->data.klass;
- if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
- klass->blittable || klass->enumtype)
- break;
+ /* we copy the signature, so that we can set pinvoke to 0 */
+ csig = mono_metadata_signature_dup (sig);
+ csig->pinvoke = 1;
- /* dst = argument */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_STLOC_1);
+ /* we allocate local for use with emit_struct_conv() */
+ /* allocate local 0 (pointer) src_ptr */
+ mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ /* allocate local 1 (pointer) dst_ptr */
+ mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ /* allocate local 2 (boolean) delete_old */
+ mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
- mono_mb_emit_byte (mb, CEE_LDLOC_1);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ /* delete_old = FALSE */
+ mono_mb_emit_icon (mb, 0);
+ mono_mb_emit_byte (mb, CEE_STLOC_2);
- /* src = tmp_locals [i] */
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ if (!MONO_TYPE_IS_VOID(sig->ret)) {
+ /* allocate local 3 to store the return value */
+ mono_mb_add_local (mb, sig->ret);
+ }
- /* emit valuetype conversion code */
- emit_struct_conv (mb, klass, TRUE);
-
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
- break;
- case MONO_TYPE_SZARRAY:
- if (t->byref)
- continue;
-
- klass = mono_class_from_mono_type (t);
+ if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
+ /* Return type custom marshaling */
+ /*
+ * Since we can't determine the return type of the unmanaged function,
+ * we assume it returns a pointer, and pass that pointer to
+ * MarshalNativeToManaged.
+ */
+ csig->ret = &mono_defaults.int_class->byval_arg;
+ }
- if (klass->element_class == mono_defaults.string_class) {
- MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
- g_assert (tmp_locals [i]);
+ /* we first do all conversions */
+ tmp_locals = alloca (sizeof (int) * sig->param_count);
+ m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- pos = mb->pos;
- mono_mb_emit_i4 (mb, 0);
+ for (i = 0; i < sig->param_count; i ++) {
+ tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
+ }
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ /* push all arguments */
- switch (encoding) {
- case MONO_NATIVE_LPWSTR:
- /*
- * The array elements point to the managed string data so
- * they don't need to be freed.
- */
- mono_mb_emit_icall (mb, g_free);
- break;
- default:
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDLEN);
- mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_ARRAY));
- break;
- }
+ if (sig->hasthis)
+ mono_mb_emit_byte (mb, CEE_LDARG_0);
- mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
- }
+ for (i = 0; i < sig->param_count; i++) {
+ MonoType *t = sig->params [i];
+ MonoMarshalSpec *spec = mspecs [i + 1];
- /* Character arrays are implicitly marshalled as [Out] */
- if ((klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
- /* FIXME: Optimize blittable case */
- MonoClass *eklass;
- guint32 label1, label2, label3;
- int index_var, src_ptr, esize;
+ if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
+ emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
+ else {
+ argnum = i + sig->hasthis;
- eklass = klass->element_class;
- if (eklass == mono_defaults.stringbuilder_class)
- esize = sizeof (gpointer);
+ switch (t->type) {
+ case MONO_TYPE_BOOLEAN:
+ if (t->byref) {
+ g_assert (tmp_locals [i]);
+ mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
+ } else
+ mono_mb_emit_ldarg (mb, argnum);
+ break;
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8:
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ mono_mb_emit_ldarg (mb, argnum);
+ break;
+ case MONO_TYPE_VALUETYPE:
+ emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
+ break;
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ g_assert (tmp_locals [i]);
+ if (t->byref)
+ mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
else
- esize = mono_class_native_size (eklass, NULL);
- src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
-
- /* Check null */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_BRFALSE);
- label1 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
-
- mono_mb_emit_ldloc (mb, tmp_locals [i]);
- mono_mb_emit_stloc (mb, src_ptr);
-
- /* Emit marshalling loop */
- index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
- mono_mb_emit_byte (mb, CEE_LDC_I4_0);
- mono_mb_emit_stloc (mb, index_var);
- label2 = mb->pos;
- mono_mb_emit_ldloc (mb, index_var);
+ mono_mb_emit_ldloc (mb, tmp_locals [i]);
+ break;
+ case MONO_TYPE_CHAR:
+ /* fixme: dont know how to marshal that. We cant simply
+ * convert it to a one byte UTF8 character, because an
+ * unicode character may need more that one byte in UTF8 */
mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_byte (mb, CEE_LDLEN);
- mono_mb_emit_byte (mb, CEE_BGE);
- label3 = mb->pos;
- mono_mb_emit_i4 (mb, 0);
-
- /* Emit marshalling code */
+ break;
+ case MONO_TYPE_TYPEDBYREF:
+ case MONO_TYPE_FNPTR:
+ default:
+ g_warning ("type 0x%02x unknown", t->type);
+ g_assert_not_reached ();
+ }
+ }
+ }
- if (eklass == mono_defaults.stringbuilder_class) {
- gboolean need_free;
- MonoMarshalNative encoding = mono_marshal_get_ptr_to_stringbuilder_encoding (piinfo, spec, &need_free);
+ /* call the native method */
+ mono_mb_emit_native_call (mb, csig, piinfo->addr);
- g_assert (encoding != -1);
+ /* Set LastError if needed */
+ if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
+ MonoMethodSignature *lasterr_sig;
- /* dest */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, index_var);
- mono_mb_emit_byte (mb, CEE_LDELEM_REF);
+ lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
+ lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
+ lasterr_sig->pinvoke = 1;
- /* src */
- mono_mb_emit_ldloc (mb, src_ptr);
- mono_mb_emit_byte (mb, CEE_LDIND_I);
+ mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
+ }
- mono_mb_emit_icall (mb, conv_to_icall (encoding));
+ /* convert the result */
+ if (!sig->ret->byref) {
+ MonoMarshalSpec *spec = mspecs [0];
+ type = sig->ret->type;
- if (need_free) {
- /* src */
- mono_mb_emit_ldloc (mb, src_ptr);
- mono_mb_emit_byte (mb, CEE_LDIND_I);
+ if (spec && spec->native == MONO_NATIVE_CUSTOM) {
+ emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
+ } else {
- mono_mb_emit_icall (mb, g_free);
- }
+ handle_enum:
+ switch (type) {
+ case MONO_TYPE_VOID:
+ break;
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_R4:
+ case MONO_TYPE_R8:
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ /* no conversions necessary */
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+ break;
+ case MONO_TYPE_VALUETYPE:
+ klass = sig->ret->data.klass;
+ if (klass->enumtype) {
+ type = sig->ret->data.klass->enum_basetype->type;
+ goto handle_enum;
}
- else {
- /* set the src_ptr */
- mono_mb_emit_ldloc (mb, src_ptr);
- mono_mb_emit_byte (mb, CEE_STLOC_0);
+ emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
+ break;
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_SZARRAY:
+ emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
+ break;
+ case MONO_TYPE_CHAR:
+ /* fixme: we need conversions here */
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+ break;
+ case MONO_TYPE_TYPEDBYREF:
+ case MONO_TYPE_FNPTR:
+ default:
+ g_warning ("return type 0x%02x unknown", sig->ret->type);
+ g_assert_not_reached ();
+ }
+ }
+ } else {
+ mono_mb_emit_byte (mb, CEE_STLOC_3);
+ }
- /* set dst_ptr */
- mono_mb_emit_ldarg (mb, argnum);
- mono_mb_emit_ldloc (mb, index_var);
- mono_mb_emit_byte (mb, CEE_LDELEMA);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
- mono_mb_emit_byte (mb, CEE_STLOC_1);
+ /*
+ * Need to call this after converting the result since MONO_VTADDR needs
+ * to be adjacent to the call instruction.
+ */
+ emit_thread_interrupt_checkpoint (mb);
- /* emit valuetype conversion code */
- emit_struct_conv (mb, eklass, TRUE);
- }
+ /* we need to convert byref arguments back and free string arrays */
+ for (i = 0; i < sig->param_count; i++) {
+ MonoType *t = sig->params [i];
+ MonoMarshalSpec *spec = mspecs [i + 1];
- mono_mb_emit_add_to_local (mb, index_var, 1);
- mono_mb_emit_add_to_local (mb, src_ptr, esize);
+ argnum = i + sig->hasthis;
- mono_mb_emit_byte (mb, CEE_BR);
- mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
+ if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
+ emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
+ continue;
+ }
- mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
- mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
- }
+ switch (t->type) {
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_VALUETYPE:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_SZARRAY:
+ emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
break;
case MONO_TYPE_BOOLEAN:
if (!t->byref)
g_free (mspecs [i]);
g_free (mspecs);
- /* 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)); */
+ /* 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)); */
return res;
}
mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
{
MonoClass *klass;
+ MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
klass = mono_class_from_mono_type (rtype->type);
- mono_upgrade_remote_class (((MonoObject*)tproxy)->vtable->domain, tproxy->remote_class, klass);
- ((MonoObject*)tproxy)->vtable = tproxy->remote_class->vtable;
+ mono_upgrade_remote_class (domain, tproxy->remote_class, klass);
+ ((MonoObject*)tproxy)->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
}
/**
g_assert (klass != NULL);
+ mono_marshal_load_type_info (klass);
+
if (klass->str_to_ptr)
return klass->str_to_ptr;
if (!stoptr)
- stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
+ stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
g_assert (stoptr);
mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
g_assert (klass != NULL);
+ mono_marshal_load_type_info (klass);
+
if (klass->ptr_to_str)
return klass->ptr_to_str;
if (!ptostr)
- ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
+ ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
g_assert (ptostr);
mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
MonoMethodBuilder *mb;
MonoMethod *res;
GHashTable *cache;
- int i, pos, this_local, ret_local;
+ int i, pos, this_local, ret_local = 0;
g_assert (method);
if ((res = mono_marshal_find_in_cache (cache, method)))
return res;
- sig = method->signature;
+ sig = signature_no_pinvoke (method->signature);
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
mono_mb_emit_ldarg (mb, 0);
for (i = 0; i < sig->param_count; i++)
mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
- mono_mb_emit_managed_call (mb, method, method->signature);
+
+ /* this is needed to avoid recursion */
+ mono_mb_emit_byte (mb, CEE_PREFIX1);
+ mono_mb_emit_byte (mb, CEE_LDFTN);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
+ mono_mb_emit_calli (mb, method->signature);
+
if (!MONO_TYPE_IS_VOID (sig->ret))
mono_mb_emit_stloc (mb, ret_local);
return res;
}
+
+/*
+ * the returned method calls 'method' unboxing the this argument
+ */
+MonoMethod *
+mono_marshal_get_unbox_wrapper (MonoMethod *method)
+{
+ MonoMethodSignature *sig = method->signature;
+ int i;
+ MonoMethodBuilder *mb;
+ MonoMethod *res;
+ GHashTable *cache;
+
+ cache = method->klass->image->unbox_wrapper_cache;
+ if ((res = mono_marshal_find_in_cache (cache, method)))
+ return res;
+
+ mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
+
+ g_assert (sig->hasthis);
+
+ mono_mb_emit_ldarg (mb, 0);
+ mono_mb_emit_icon (mb, sizeof (MonoObject));
+ mono_mb_emit_byte (mb, CEE_ADD);
+ for (i = 0; i < sig->param_count; ++i)
+ mono_mb_emit_ldarg (mb, i + 1);
+ mono_mb_emit_managed_call (mb, method, NULL);
+ mono_mb_emit_byte (mb, CEE_RET);
+
+ res = mono_mb_create_and_cache (cache, method,
+ mb, sig, sig->param_count + 16);
+ mono_mb_free (mb);
+
+ /* 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)); */
+
+ return res;
+}
+
MonoMethod*
mono_marshal_get_stelemref ()
{
guint32 b1, b2, b3, b4;
guint32 copy_pos;
int aklass, vklass;
+ int array_slot_addr;
if (ret)
return ret;
/* void stelemref (void* array, int idx, void* value) */
sig->ret = &mono_defaults.void_class->byval_arg;
- sig->params [0] = &mono_defaults.int_class->byval_arg;
+ sig->params [0] = &mono_defaults.object_class->byval_arg;
sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
- sig->params [2] = &mono_defaults.int_class->byval_arg;
+ sig->params [2] = &mono_defaults.object_class->byval_arg;
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
+ array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
/*
the method:
- <check ABC>
+ <ldelema (bound check)>
if (!value)
goto store;
goto long;
store:
- array [idx] = value;
+ *array_slot_addr = value;
return;
long:
throw new ArrayTypeMismatchException ();
*/
- /* ABC */
+ /* ldelema (implicit bound check) */
mono_mb_emit_ldarg (mb, 0);
mono_mb_emit_ldarg (mb, 1);
mono_mb_emit_byte (mb, CEE_LDELEMA);
- mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.int_class));
- mono_mb_emit_byte (mb, CEE_POP);
+ mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
+ mono_mb_emit_stloc (mb, array_slot_addr);
/* if (!value) goto do_store */
mono_mb_emit_ldarg (mb, 2);
copy_pos = mb->pos;
/* do_store */
mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
- mono_mb_emit_ldarg (mb, 0);
- mono_mb_emit_ldarg (mb, 1);
+ mono_mb_emit_ldloc (mb, array_slot_addr);
mono_mb_emit_ldarg (mb, 2);
- mono_mb_emit_byte (mb, CEE_STELEM_I);
+ mono_mb_emit_byte (mb, CEE_STIND_REF);
mono_mb_emit_byte (mb, CEE_RET);
mono_mb_emit_byte (mb, CEE_RET);
ret = mono_mb_create_method (mb, sig, 4);
+ mono_mb_free (mb);
return ret;
}
-/* FIXME: on win32 we should probably use GlobalAlloc(). */
void*
-mono_marshal_alloc (gpointer size)
+mono_marshal_alloc (gulong size)
{
- MONO_ARCH_SAVE_REGS;
+ gpointer res;
- return g_try_malloc ((gulong)size);
+#ifdef PLATFORM_WIN32
+ res = CoTaskMemAlloc (size);
+#else
+ res = g_try_malloc ((gulong)size);
+ if (!res)
+ mono_gc_out_of_memory ((gulong)size);
+#endif
+ return res;
}
void
-mono_marshal_free (gpointer ptr)
+mono_marshal_free (gpointer ptr)
{
- MONO_ARCH_SAVE_REGS;
-
+#ifdef PLATFORM_WIN32
+ CoTaskMemFree (ptr);
+#else
g_free (ptr);
+#endif
}
void
}
void *
-mono_marshal_string_array (MonoArray *array)
-{
- char **result;
- int i, len;
-
- if (!array)
- return NULL;
-
- len = mono_array_length (array);
-
- result = g_malloc (sizeof (char *) * (len + 1));
- for (i = 0; i < len; ++i) {
- MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
- result [i] = s ? mono_string_to_utf8 (s): NULL;
- }
- /* null terminate the array */
- result [i] = NULL;
-
- return result;
-}
-
-void *
-mono_marshal_string_array_to_unicode (MonoArray *array)
+mono_marshal_string_to_utf16 (MonoString *s)
{
- gunichar2 **result;
- int i, len;
-
- if (!array)
- return NULL;
-
- len = mono_array_length (array);
-
- result = g_malloc (sizeof (gunichar2 *) * (len + 1));
- for (i = 0; i < len; ++i) {
- MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
- result [i] = s ? mono_string_chars (s) : NULL;
- }
- /* null terminate the array */
- result [i] = NULL;
-
- return result;
+ return s ? mono_string_chars (s) : NULL;
}
/**
MONO_ARCH_SAVE_REGS;
if (ptr == NULL)
- return mono_string_new (mono_domain_get (), "");
+ return NULL;
else
return mono_string_new (mono_domain_get (), ptr);
}
{
MONO_ARCH_SAVE_REGS;
- if (ptr == NULL)
- return mono_string_new (mono_domain_get (), "");
- else
+ if (ptr == NULL) {
+ mono_raise_exception (mono_get_exception_argument_null ("ptr"));
+ g_assert_not_reached ();
+ return NULL;
+ } else
return mono_string_new_len (mono_domain_get (), ptr, len);
}
MONO_ARCH_SAVE_REGS;
if (ptr == NULL)
- return mono_string_new (mono_domain_get (), "");
+ return NULL;
while (*t++)
len++;
MONO_ARCH_SAVE_REGS;
- if (ptr == NULL)
- return mono_string_new (mono_domain_get (), "");
- else
+ if (ptr == NULL) {
+ mono_raise_exception (mono_get_exception_argument_null ("ptr"));
+ g_assert_not_reached ();
+ return NULL;
+ } else
return mono_string_new_utf16 (domain, ptr, len);
}
fname = mono_string_to_utf8 (field_name);
klass = mono_class_from_mono_type (type->type);
- while(klass && match_index == -1) {
+ while (klass && match_index == -1) {
for (i = 0; i < klass->field.count; ++i) {
if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
match_index = i;
}
}
- if(match_index == -1)
+ if (match_index == -1)
klass = klass->parent;
}
g_free (fname);
if(match_index == -1) {
- MonoException* exc;
- gchar *tmp;
+ MonoException* exc;
+ gchar *tmp;
- /* Get back original class instance */
- klass = mono_class_from_mono_type (type->type);
+ /* Get back original class instance */
+ klass = mono_class_from_mono_type (type->type);
- tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
- exc = mono_get_exception_argument ("fieldName", tmp);
- g_free (tmp);
+ tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
+ exc = mono_get_exception_argument ("fieldName", tmp);
+ g_free (tmp);
- mono_raise_exception ((MonoException*)exc);
- }
+ mono_raise_exception ((MonoException*)exc);
+ }
- info = mono_marshal_load_type_info (klass);
- return info->fields [match_index].offset;
+ info = mono_marshal_load_type_info (klass);
+ return info->fields [match_index].offset;
}
gpointer
case MONO_MARSHAL_CONV_STR_BSTR:
case MONO_MARSHAL_CONV_STR_ANSIBSTR:
case MONO_MARSHAL_CONV_STR_TBSTR:
- g_free (*(gpointer *)cpos);
+ mono_marshal_free (*(gpointer *)cpos);
break;
default:
continue;
mono_struct_delete_old (klass, (char *)src);
}
+
+/* FIXME: on win32 we should probably use GlobalAlloc(). */
+void*
+ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
+{
+ gpointer res;
+
+ MONO_ARCH_SAVE_REGS;
+
+ if ((gulong)size == 0)
+ /* This returns a valid pointer for size 0 on MS.NET */
+ size = 4;
+
+ res = g_try_malloc ((gulong)size);
+ if (!res)
+ mono_gc_out_of_memory ((gulong)size);
+
+ return res;
+}
+
+void
+ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
+{
+ MONO_ARCH_SAVE_REGS;
+
+ g_free (ptr);
+}
+
void*
ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
{
- /* FIXME: Call AllocCoTaskMem under windows */
MONO_ARCH_SAVE_REGS;
+#ifdef PLATFORM_WIN32
+ return CoTaskMemAlloc (size);
+#else
return g_try_malloc ((gulong)size);
+#endif
}
void
ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
{
- /* FIXME: Call FreeCoTaskMem under windows */
MONO_ARCH_SAVE_REGS;
+#ifdef PLATFORM_WIN32
+ CoTaskMemFree (ptr);
+#else
g_free (ptr);
+#endif
}
void*
return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
}
+MonoDelegate*
+ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
+{
+ return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
+}
+
MonoMarshalType *
mono_marshal_load_type_info (MonoClass* klass)
{
*/
gint32
mono_class_native_size (MonoClass *klass, guint32 *align)
-{
-
+{
if (!klass->marshal_info)
mono_marshal_load_type_info (klass);
return mono_string_to_utf16 ((MonoString*)o);
break;
case MONO_NATIVE_LPSTR:
- return mono_string_to_utf8 ((MonoString*)o);
+ return mono_string_to_lpstr ((MonoString*)o);
break;
default:
g_warning ("marshaling conversion %d not implemented", string_encoding);
klass->blittable || klass->enumtype)
return mono_object_unbox (o);
- res = g_malloc0 (mono_class_native_size (klass, NULL));
+ res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
MonoType *t;
MonoClass *klass;
- /* FIXME: Free embedded data as well */
-
if (o == NULL)
return;
case MONO_TYPE_STRING:
switch (string_encoding) {
case MONO_NATIVE_LPWSTR:
- g_free (ptr);
- break;
case MONO_NATIVE_LPSTR:
- g_free (ptr);
+ mono_marshal_free (ptr);
break;
default:
g_warning ("marshaling conversion %d not implemented", string_encoding);
klass->blittable || klass->enumtype)
break;
- g_free (ptr);
+ mono_struct_delete_old (klass, ptr);
+
+ mono_marshal_free (ptr);
break;
}
default: