X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mono%2Fmetadata%2Fappdomain.c;h=80e36207fca72b4966be7dc13211de6a2fe1a623;hb=ccf4e0f3ad38270a2b31ec5df9569bcc8c1ca2b4;hp=c708e891471a8b5f946b9ec4957af578a5508f6a;hpb=111b021828ce9de4710b152a7ffa495a5365ec5c;p=mono.git diff --git a/mono/metadata/appdomain.c b/mono/metadata/appdomain.c index c708e891471..80e36207fca 100644 --- a/mono/metadata/appdomain.c +++ b/mono/metadata/appdomain.c @@ -1,10 +1,12 @@ /* * appdomain.c: AppDomain functions * - * Author: + * Authors: * Dietmar Maurer (dietmar@ximian.com) + * Patrik Torstensson + * Gonzalo Paniagua Javier (gonzalo@ximian.com) * - * (C) 2001 Ximian, Inc. + * (c) 2001-2003 Ximian, Inc. (http://www.ximian.com) */ #include @@ -20,15 +22,33 @@ #include #include #include +#include +#include +#include + +#define MONO_CORLIB_VERSION 20 -HANDLE mono_delegate_semaphore = NULL; CRITICAL_SECTION mono_delegate_section; -static MonoObject * -mono_domain_transfer_object (MonoDomain *src, MonoDomain *dst, MonoObject *obj); +static gunichar2 process_guid [36]; +static gboolean process_guid_set = FALSE; + +static gboolean shutting_down = FALSE; + +static MonoAssembly * +mono_domain_assembly_preload (MonoAssemblyName *aname, + gchar **assemblies_path, + gpointer user_data); + static void mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data); +static MonoMethod * +look_for_method_by_name (MonoClass *klass, const gchar *name); + +static void +mono_domain_unload (MonoDomain *domain); + /* * mono_runtime_init: * @domain: domain returned by mono_init () @@ -43,13 +63,20 @@ mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data); */ void mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb, - MonoThreadStartCB attach_cb) + MonoThreadAttachCB attach_cb) { MonoAppDomainSetup *setup; MonoAppDomain *ad; MonoClass *class; + MonoString *arg; + + mono_marshal_init (); + mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL); mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL); + mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token); + + mono_thread_init (start_cb, attach_cb); class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup"); setup = (MonoAppDomainSetup *) mono_object_new (domain, class); @@ -60,367 +87,196 @@ mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb, domain->domain = ad; domain->setup = setup; - mono_delegate_semaphore = CreateSemaphore (NULL, 0, 0x7fffffff, NULL); - g_assert (mono_delegate_semaphore != INVALID_HANDLE_VALUE); InitializeCriticalSection (&mono_delegate_section); - mono_thread_init (domain, start_cb, attach_cb); + mono_context_init (domain); + mono_context_set (domain->default_context); + + mono_type_initialization_init (); + + /* + * Create an instance early since we can't do it when there is no memory. + */ + arg = mono_string_new (domain, "Out of memory"); + domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL); + + /* + * These two are needed because the signal handlers might be executing on + * an alternate stack, and Boehm GC can't handle that. + */ + arg = mono_string_new (domain, "A null value was found where an object instance was required"); + domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL); + arg = mono_string_new (domain, "The requested operation caused a stack overflow."); + domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL); + + /* GC init has to happen after thread init */ + mono_gc_init (); mono_network_init (); return; } -void -mono_runtime_cleanup (MonoDomain *domain) +static int +mono_get_corlib_version (void) { - mono_thread_cleanup (); + MonoClass *klass; + MonoClassField *field; + MonoObject *value; + + klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment"); + mono_class_init (klass); + field = mono_class_get_field_from_name (klass, "mono_corlib_version"); + if (!field) + return -1; + if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC)) + return -1; + value = mono_field_get_value_object (mono_domain_get (), field, NULL); + return *(gint32*)((gchar*)value + sizeof (MonoObject)); +} - /* Do this after the thread cleanup, because subthreads might - * still be doing socket calls. - */ - mono_network_cleanup (); +const char* +mono_check_corlib_version (void) +{ + int version = mono_get_corlib_version (); + if (version != MONO_CORLIB_VERSION) + return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version); + else + return NULL; } void -ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup) +mono_context_init (MonoDomain *domain) { - MonoDomain* domain = mono_domain_get (); - MonoAssembly *assembly; - gchar *str; - - assembly = domain->entry_assembly; - g_assert (assembly); + MonoClass *class; + MonoAppContext *context; - setup->application_base = mono_string_new (domain, assembly->basedir); - str = g_strconcat (assembly->basedir, assembly->aname.name, - ".exe.config", NULL); - setup->configuration_file = mono_string_new (domain, str); - g_free (str); + class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context"); + context = (MonoAppContext *) mono_object_new (domain, class); + context->domain_id = domain->domain_id; + context->context_id = 0; + domain->default_context = context; } -/* - * invokes a method in a specific domain. +/* This must not be called while there are still running threads executing + * managed code. */ -static MonoObject* -mono_runtime_invoke_in_domain (MonoDomain *domain, MonoMethod *method, void *obj, - void **params, MonoObject **exc) +void +mono_runtime_cleanup (MonoDomain *domain) { - MonoDomain *cur = mono_domain_get (); - MonoObject **real_exc, *default_exc; - MonoObject *res; - - if (domain == cur) - return mono_runtime_invoke (method, obj, params, exc); + shutting_down = TRUE; - if (!exc) - real_exc = &default_exc; - else - real_exc = exc; + /* This ends up calling any pending pending (for at most 2 seconds) */ + mono_gc_cleanup (); - *real_exc = NULL; - mono_domain_set (domain); - res = mono_runtime_invoke (method, obj, params, real_exc); - mono_domain_set (cur); + mono_network_cleanup (); +} - if (*real_exc) { - /* transfer Exception to the right domain */ - *real_exc = mono_domain_transfer_object (domain, cur, *real_exc); +static MonoDomainFunc quit_function = NULL; - if (!exc) - mono_raise_exception ((MonoException *)*real_exc); +void +mono_runtime_install_cleanup (MonoDomainFunc func) +{ + quit_function = func; +} - } +void +mono_runtime_quit () +{ + if (quit_function != NULL) + quit_function (mono_root_domain, NULL); +} - return res; +gboolean +mono_runtime_is_shutting_down (void) +{ + return shutting_down; } -static MonoObject * -mono_domain_transfer_array (MonoDomain *src, MonoDomain *dst, MonoArray *ao) +gboolean +mono_domain_has_type_resolve (MonoDomain *domain) { - MonoObject *res = NULL; - MonoClass *klass; - int esize, ecount, i; - guint32 *sizes; - - klass = ao->obj.vtable->klass; + static MonoClassField *field = NULL; + MonoObject *o; - esize = mono_array_element_size (klass); - if (ao->bounds == NULL) { - ecount = mono_array_length (ao); - res = (MonoObject *)mono_array_new_full (dst, klass, &ecount, NULL); - } else { - sizes = alloca (klass->rank * sizeof(guint32) * 2); - ecount = 1; - for (i = 0; i < klass->rank; ++i) { - sizes [i] = ao->bounds [i].length; - ecount *= ao->bounds [i].length; - sizes [i + klass->rank] = ao->bounds [i].lower_bound; - } - res = (MonoObject *)mono_array_new_full (dst, klass, sizes, sizes + klass->rank); - } - if (klass->element_class->valuetype) { - if (klass->element_class->blittable) { - memcpy (((MonoArray *)res)->vector, ao->vector, esize * ecount); - } else { - for (i = 0; i < ecount; i++) { - MonoObject *s, *d; - gpointer *src_ea = (gpointer *)mono_array_addr_with_size (ao, esize, i); - gpointer *dst_ea = (gpointer *)mono_array_addr_with_size ((MonoArray *)res, esize, i); - s = mono_value_box (src, klass->element_class, src_ea); - d = mono_domain_transfer_object (src, dst, s); - memcpy (dst_ea, (char *)d + sizeof(MonoObject), esize); - } - } - } else { - g_assert (esize == sizeof (gpointer)); - for (i = 0; i < ecount; i++) { - gpointer *src_ea = (gpointer *)mono_array_addr_with_size (ao, esize, i); - gpointer *dst_ea = (gpointer *)mono_array_addr_with_size ((MonoArray *)res, esize, i); - *dst_ea = mono_domain_transfer_object (src, dst, *src_ea); - } + if (field == NULL) { + MonoClass *klass = mono_defaults.appdomain_class; + int i; + + for (i = 0; i < klass->field.count; ++i) + if (strcmp (klass->fields [i].name, "TypeResolve") == 0) + field = &klass->fields [i]; + g_assert (field); } - return res; + + mono_field_get_value ((MonoObject*)(domain->domain), field, &o); + return o != NULL; } -/** - * mono_domain_transfer_object: - * @src: the source domain - * @dst: the destination domain - * @obj: the object to transfer - * - * This function is used to transfer objects between domains. This is done by - * marshalling or serialisation. - */ -static MonoObject * -mono_domain_transfer_object (MonoDomain *src, MonoDomain *dst, MonoObject *obj) +MonoReflectionAssembly * +mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb) { - MonoClass *sic = mono_defaults.serializationinfo_class; MonoClass *klass; - MonoObject *res = NULL; - int i; - - if (!obj) - return NULL; + void *params [1]; + static MonoMethod *method = NULL; - g_assert (obj->vtable->domain == src); - - klass = obj->vtable->klass; - - /* some special cases */ - if (klass == mono_defaults.string_class) { - MonoString *str = (MonoString *)obj; - return (MonoObject *)mono_string_new_utf16 (dst, - (const guint16 *)mono_string_chars (str), str->length); - } - - if (klass == mono_defaults.monotype_class) - return (MonoObject *) mono_type_get_object (dst, ((MonoReflectionType *)obj)->type); - - if (MONO_CLASS_IS_ARRAY (klass)) - return mono_domain_transfer_array (src, dst, (MonoArray *)obj); - - if (mono_object_isinst (obj, mono_defaults.iserializeable_class)) { - static MonoMethod *serinfo_ctor1 = NULL, *serinfo_ctor2 = NULL, *get_entries = NULL; - MonoMethod *get_object_data, *ser_ctor; - MonoObject *src_serinfo, *dst_serinfo; - void *pa [2]; - MonoStreamingContext ctx; - MonoArray *entries, *trans_entries; - int len; - - /* get a pointer to the GetObjectData method */ - get_object_data = klass->vtable [klass->interface_offsets [mono_defaults.iserializeable_class->interface_id]]; - g_assert (get_object_data); - - src_serinfo = mono_object_new (src, sic); - - if (!serinfo_ctor1) { - for (i = 0; i < sic->method.count; ++i) { - if (!strcmp (".ctor", sic->methods [i]->name) && - sic->methods [i]->signature->param_count == 1) { - serinfo_ctor1 = sic->methods [i]; - break; - } - } - g_assert (serinfo_ctor1); - } - - if (!serinfo_ctor2) { - for (i = 0; i < sic->method.count; ++i) { - if (!strcmp (".ctor", sic->methods [i]->name) && - sic->methods [i]->signature->param_count == 2 && - sic->methods [i]->signature->params [1]->type == MONO_TYPE_SZARRAY) { - serinfo_ctor2 = sic->methods [i]; - break; - } - } - g_assert (serinfo_ctor2); - } - - if (!get_entries) { - for (i = 0; i < sic->method.count; ++i) { - if (!strcmp ("get_entries", sic->methods [i]->name) && - sic->methods [i]->signature->param_count == 0) { - get_entries = sic->methods [i]; - break; - } - } - g_assert (get_entries); - } + g_assert (domain != NULL && ((name != NULL) || (tb != NULL))); - pa [0] = mono_type_get_object (src, &klass->byval_arg); - mono_runtime_invoke_in_domain (src, serinfo_ctor1, src_serinfo, pa, NULL); - - ctx.additional = NULL; - ctx.state = 128; /* CrossAppDomain */ - pa [0] = src_serinfo; - pa [1] = &ctx; - mono_runtime_invoke_in_domain (src, get_object_data, obj, pa, NULL); - - entries = (MonoArray *)mono_runtime_invoke_in_domain (src, get_entries, src_serinfo, NULL, NULL); - - g_assert (src_serinfo->vtable->domain == src); - g_assert (entries->obj.vtable->domain == src); - - /* transfer all SerializationEntry objects */ - len = mono_array_length ((MonoArray*)entries); - trans_entries = mono_array_new (dst, entries->obj.vtable->klass->element_class, len); - - for (i = 0; i < len; i++) { - MonoSerializationEntry *s, *d; - s = (MonoSerializationEntry *)mono_array_addr_with_size (entries, - sizeof (MonoSerializationEntry), i); - d = (MonoSerializationEntry *)mono_array_addr_with_size (trans_entries, - sizeof (MonoSerializationEntry), i); - d->name = (MonoString *)mono_domain_transfer_object (src, dst, (MonoObject *)s->name); - d->value = mono_domain_transfer_object (src, dst, s->value); - d->type = (MonoReflectionType *)mono_domain_transfer_object (src, dst, (MonoObject *)s->type); - } + if (method == NULL) { + klass = domain->domain->mbr.obj.vtable->klass; + g_assert (klass); - dst_serinfo = mono_object_new (dst, sic); - - pa [0] = mono_type_get_object (dst, &klass->byval_arg); - pa [1] = trans_entries; - mono_runtime_invoke_in_domain (dst, serinfo_ctor2, dst_serinfo, pa, NULL); - - ser_ctor = NULL; - for (i = 0; i < klass->method.count; i++) { - MonoMethod *t = klass->methods [i]; - if (!strcmp (t->name, ".ctor") && t->signature->param_count == 2 && - mono_metadata_type_equal (t->signature->params [0], - &mono_defaults.serializationinfo_class->byval_arg) && - mono_metadata_type_equal (t->signature->params [1], - &mono_defaults.streamingcontext_class->byval_arg)) - ser_ctor = t; + method = look_for_method_by_name (klass, "DoTypeResolve"); + if (method == NULL) { + g_warning ("Method AppDomain.DoTypeResolve not found.\n"); + return NULL; } - g_assert (ser_ctor); - - res = mono_object_new (dst, klass); - - ctx.additional = NULL; - ctx.state = 128; /* CrossAppDomain */ - pa [0] = dst_serinfo; - pa [1] = &ctx; - mono_runtime_invoke_in_domain (dst, ser_ctor, res, pa, NULL); - - return res; } - if (!(klass->flags & TYPE_ATTRIBUTE_SERIALIZABLE)) { - MonoException *exc = NULL; - char *msg; - - msg = g_strdup_printf ("klass \"%s.%s\" is not serializable", - klass->name_space, klass->name); - exc = mono_get_exception_serialization (msg); - g_free (msg); - - mono_raise_exception (exc); - } - - res = mono_object_new (dst, klass); - - for (i = 0; i < klass->field.count; i++) { - MonoClassField *field = &klass->fields [i]; - MonoType *type = field->type; - int size, align; - char *src_ptr, *dst_ptr; - int simple_type; - - if (type->attrs & FIELD_ATTRIBUTE_STATIC || - type->attrs & FIELD_ATTRIBUTE_NOT_SERIALIZED) - continue; - - size = mono_type_size (type, &align); - - dst_ptr = (char*)res + field->offset; - src_ptr = (char *)obj + field->offset; + if (name) + *params = (MonoObject*)mono_string_new (mono_domain_get (), name); + else + *params = tb; + return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL); +} - g_assert (!type->byref); - - simple_type = type->type; - handle_enum: - switch (simple_type) { - 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_I8: - case MONO_TYPE_U8: - case MONO_TYPE_R4: - case MONO_TYPE_R8: - memcpy (dst_ptr, src_ptr, size); - break; - case MONO_TYPE_OBJECT: - case MONO_TYPE_ARRAY: - case MONO_TYPE_SZARRAY: - case MONO_TYPE_CLASS: - case MONO_TYPE_STRING: { - *(MonoObject **)dst_ptr = mono_domain_transfer_object (src, dst, *(MonoObject **)src_ptr); - break; - } - case MONO_TYPE_VALUETYPE: { - MonoObject *boxed_src, *tmp; +/* + * mono_domain_set: + * + * Set the current appdomain to @domain. If @force is set, set it even + * if it is being unloaded. + * Returns: + * - TRUE on success + * - FALSE if the domain is being unloaded + */ +gboolean +mono_domain_set (MonoDomain *domain, gboolean force) +{ + if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)) + return FALSE; - if (type->data.klass->enumtype) { - simple_type = type->data.klass->enum_basetype->type; - goto handle_enum; - } - boxed_src = mono_value_box (src, type->data.klass, src_ptr); - tmp = mono_domain_transfer_object (src, dst, boxed_src); - memcpy (dst_ptr, (char *)tmp + sizeof (MonoObject), size); - break; - } - default: - g_assert_not_reached (); - } - } + mono_domain_set_internal (domain); - return res; + return TRUE; } MonoObject * ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name) { MonoDomain *add = ad->data; - MonoDomain *cur = mono_domain_get (); MonoObject *o; char *str; + MONO_ARCH_SAVE_REGS; + g_assert (ad != NULL); g_assert (name != NULL); str = mono_string_to_utf8 (name); mono_domain_lock (add); + if (!strcmp (str, "APPBASE")) o = (MonoObject *)add->setup->application_base; else if (!strcmp (str, "APP_CONFIG_FILE")) @@ -448,23 +304,22 @@ ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name) if (!o) return NULL; - return mono_domain_transfer_object (add, cur, o); + return o; } void ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data) { MonoDomain *add = ad->data; - MonoDomain *cur = mono_domain_get (); - MonoObject *o; + + MONO_ARCH_SAVE_REGS; g_assert (ad != NULL); g_assert (name != NULL); - o = mono_domain_transfer_object (cur, add, data); - mono_domain_lock (add); - mono_g_hash_table_insert (add->env, name, o); + + mono_g_hash_table_insert (add->env, name, data); mono_domain_unlock (add); } @@ -472,6 +327,8 @@ ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObj MonoAppDomainSetup * ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad) { + MONO_ARCH_SAVE_REGS; + g_assert (ad != NULL); g_assert (ad->data != NULL); @@ -481,6 +338,8 @@ ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad) MonoString * ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad) { + MONO_ARCH_SAVE_REGS; + g_assert (ad != NULL); g_assert (ad->data != NULL); @@ -491,25 +350,35 @@ MonoAppDomain * ves_icall_System_AppDomain_getCurDomain () { MonoDomain *add = mono_domain_get (); + + MONO_ARCH_SAVE_REGS; + return add->domain; } MonoAppDomain * ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup) { - MonoDomain *domain = mono_domain_get (); + /*MonoDomain *domain = mono_domain_get (); */ MonoClass *adclass; MonoAppDomain *ad; MonoDomain *data; + MONO_ARCH_SAVE_REGS; + adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain"); - + /* FIXME: pin all those objects */ - ad = (MonoAppDomain *) mono_object_new (domain, adclass); - ad->data = data = mono_domain_create (); + data = mono_domain_create(); + + ad = (MonoAppDomain *) mono_object_new (data, adclass); + ad->data = data; data->domain = ad; data->setup = setup; data->friendly_name = mono_string_to_utf8 (friendly_name); + data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException"); + + mono_context_init (data); /* FIXME: what to do next ? */ @@ -538,6 +407,8 @@ ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad) MonoArray *res; add_assembly_helper_t ah; + MONO_ARCH_SAVE_REGS; + if (!System_Reflection_Assembly) System_Reflection_Assembly = mono_class_from_name ( mono_defaults.corlib, "System.Reflection", "Assembly"); @@ -582,7 +453,7 @@ try_assembly_resolve (MonoDomain *domain, MonoString *fname) g_assert (domain != NULL && fname != NULL); - klass = domain->domain->object.vtable->klass; + klass = domain->domain->mbr.obj.vtable->klass; g_assert (klass); method = look_for_method_by_name (klass, "DoAssemblyResolve"); @@ -600,15 +471,22 @@ add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass) { gint i; - if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) - return; /* This is ok while no lazy loading of assemblies */ + if (!ass->aname.name) + return; mono_domain_lock (domain); - g_hash_table_insert (domain->assemblies, ass->aname.name, ass); + + if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) { + mono_domain_unlock (domain); + return; /* This is ok while no lazy loading of assemblies */ + } + + g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass); mono_domain_unlock (domain); - for (i = 0; ass->image->references [i] != NULL; i++) - add_assemblies_to_domain (domain, ass->image->references [i]); + if (ass->image->references) + for (i = 0; ass->image->references [i] != NULL; i++) + add_assemblies_to_domain (domain, ass->image->references [i]); } static void @@ -620,7 +498,8 @@ mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data) MonoMethod *method; void *params [1]; - klass = domain->domain->object.vtable->klass; + klass = domain->domain->mbr.obj.vtable->klass; + method = look_for_method_by_name (klass, "DoAssemblyLoad"); if (method == NULL) { @@ -637,6 +516,243 @@ mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data) mono_runtime_invoke (method, domain->domain, params, NULL); } +static gchar * +reduce_path (const gchar *dirname) +{ + gchar **parts; + gchar *part; + GList *list, *tmp; + GString *result; + gchar *res; + gint i; + + parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0); + list = NULL; + for (i = 0; (part = parts [i]) != NULL; i++) { + if (!strcmp (part, ".")) + continue; + + if (!strcmp (part, "..")) { + if (list && list->next) /* Don't remove root */ + list = g_list_delete_link (list, list); + } else { + list = g_list_prepend (list, part); + } + } + + result = g_string_new (""); + list = g_list_reverse (list); + + for (tmp = list; tmp; tmp = tmp->next) { + gchar *data = (gchar *) tmp->data; + + if (data && *data) + g_string_append_printf (result, "%c%s", G_DIR_SEPARATOR, + (char *) tmp->data); + } + + res = result->str; + g_string_free (result, FALSE); + g_list_free (list); + g_strfreev (parts); + return res; +} + +static void +set_domain_search_path (MonoDomain *domain) +{ + MonoAppDomainSetup *setup; + gchar **tmp; + gchar *utf8; + gint i; + gint npaths = 0; + gchar **pvt_split = NULL; + GError *error = NULL; + gint appbaselen = -1; + + if ((domain->search_path != NULL) && !domain->setup->path_changed) + return; + + setup = domain->setup; + if (!setup->application_base) + return; /* Must set application base to get private path working */ + + npaths++; + if (setup->private_bin_path) { + utf8 = mono_string_to_utf8 (setup->private_bin_path); + pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000); + g_free (utf8); + for (tmp = pvt_split; *tmp; tmp++, npaths++); + } + + if (!npaths) { + if (pvt_split) + g_strfreev (pvt_split); + /* + * Don't do this because the first time is called, the domain + * setup is not finished. + * + * domain->search_path = g_malloc (sizeof (char *)); + * domain->search_path [0] = NULL; + */ + return; + } + + if (domain->search_path) + g_strfreev (domain->search_path); + + domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *)); + tmp [npaths] = NULL; + + *tmp = mono_string_to_utf8 (setup->application_base); + + /* FIXME: is this needed? */ + if (strncmp (*tmp, "file://", 7) == 0) { + gchar *file = *tmp; + gchar *uri = *tmp; + gchar *tmpuri; + + if (uri [7] != '/') + uri = g_strdup_printf ("file:///%s", uri + 7); + + tmpuri = uri; + uri = mono_escape_uri_string (tmpuri); + *tmp = g_filename_from_uri (uri, NULL, &error); + g_free (uri); + + if (tmpuri != file) + g_free (tmpuri); + + if (error != NULL) { + g_warning ("%s\n", error->message); + g_error_free (error); + *tmp = file; + } else { + g_free (file); + } + } + + for (i = 1; pvt_split && i < npaths; i++) { + tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL); + if (strchr (tmp [i], '.')) { + gchar *reduced; + gchar *freeme; + + reduced = reduce_path (tmp [i]); + if (appbaselen == -1) + appbaselen = strlen (tmp [0]); + + if (strncmp (tmp [0], reduced, appbaselen)) { + g_free (reduced); + g_free (tmp [i]); + tmp [i] = g_strdup (""); + continue; + } + + freeme = tmp [i]; + tmp [i] = reduced; + g_free (freeme); + } + } + + if (setup->private_bin_path_probe != NULL) { + g_free (tmp [0]); + tmp [0] = g_strdup (""); + } + + domain->setup->path_changed = FALSE; + + g_strfreev (pvt_split); +} + +static gboolean +try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2, + const gchar *path3, const gchar *path4) +{ + gchar *fullpath; + + *assembly = NULL; + fullpath = g_build_filename (path1, path2, path3, path4, NULL); + if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR)) + *assembly = mono_assembly_open (fullpath, NULL); + + g_free (fullpath); + return (*assembly != NULL); +} + +static MonoAssembly * +real_load (gchar **search_path, const gchar *culture, const gchar *name) +{ + MonoAssembly *result = NULL; + gchar **path; + gchar *filename; + const gchar *local_culture; + gint len; + + if (!culture || *culture == '\0') { + local_culture = ""; + } else { + local_culture = culture; + } + + filename = g_strconcat (name, ".dll", NULL); + len = strlen (filename); + + for (path = search_path; *path; path++) { + if (**path == '\0') + continue; /* Ignore empty ApplicationBase */ + + /* See test cases in bug #58992 and bug #57710 */ + /* 1st try: [culture]/[name].dll (culture may be empty) */ + strcpy (filename + len - 4, ".dll"); + if (try_load_from (&result, *path, local_culture, "", filename)) + break; + + /* 2nd try: [culture]/[name].exe (culture may be empty) */ + strcpy (filename + len - 4, ".exe"); + if (try_load_from (&result, *path, local_culture, "", filename)) + break; + + /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */ + strcpy (filename + len - 4, ".dll"); + if (try_load_from (&result, *path, local_culture, name, filename)) + break; + + /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */ + strcpy (filename + len - 4, ".exe"); + if (try_load_from (&result, *path, local_culture, name, filename)) + break; + } + + g_free (filename); + return result; +} + +/* + * Try loading the assembly from ApplicationBase and PrivateBinPath + * and then from assemblies_path if any. + */ +static MonoAssembly * +mono_domain_assembly_preload (MonoAssemblyName *aname, + gchar **assemblies_path, + gpointer user_data) +{ + MonoDomain *domain = mono_domain_get (); + MonoAssembly *result = NULL; + + set_domain_search_path (domain); + + if (domain->search_path && domain->search_path [0] != NULL) { + result = real_load (domain->search_path, aname->culture, aname->name); + } + + if (result == NULL && assemblies_path && assemblies_path [0] != NULL) { + result = real_load (assemblies_path, aname->culture, aname->name); + } + + return NULL; +} + MonoReflectionAssembly * ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname) { @@ -645,11 +761,14 @@ ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname) MonoImageOpenStatus status = MONO_IMAGE_OK; MonoAssembly *ass; - name = filename = mono_string_to_utf8 (fname); + MONO_ARCH_SAVE_REGS; - /* FIXME: move uri handling to mono_assembly_open */ - if (strncmp (filename, "file://", 7) == 0) - filename += 7; + if (fname == NULL) { + MonoException *exc = mono_get_exception_argument_null ("assemblyFile"); + mono_raise_exception (exc); + } + + name = filename = mono_string_to_utf8 (fname); ass = mono_assembly_open (filename, &status); @@ -663,35 +782,155 @@ ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname) return mono_assembly_get_object (domain, ass); } +static void +free_assembly_name (MonoAssemblyName *aname) +{ + if (aname == NULL) + return; + + g_free ((void *) aname->name); + g_free ((void *) aname->culture); + g_free ((void *) aname->hash_value); +} + +static gboolean +get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname) +{ + gchar *name; + gchar *value; + gchar **parts; + gchar **tmp; + gint major, minor, build, revision; + + memset (aname, 0, sizeof (MonoAssemblyName)); + + name = mono_string_to_utf8 (assRef); + parts = tmp = g_strsplit (name, ",", 4); + g_free (name); + if (!tmp || !*tmp) { + g_strfreev (tmp); + return FALSE; + } + + value = g_strstrip (*tmp); + /* g_print ("Assembly name: %s\n", value); */ + aname->name = g_strdup (value); + tmp++; + if (!*tmp) { + g_strfreev (parts); + return TRUE; + } + + while (*tmp) { + value = g_strstrip (*tmp); + if (!g_ascii_strncasecmp (value, "Version=", 8)) { + if (sscanf (value + 8, "%u.%u.%u.%u", + &major, &minor, &build, &revision) != 4) { + g_strfreev (parts); + return FALSE; + } + /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */ + aname->major = major; + aname->minor = minor; + aname->build = build; + aname->revision = revision; + tmp++; + continue; + } + + if (!g_ascii_strncasecmp (value, "Culture=", 8)) { + gchar *t = g_strdup (value + 8); + g_strchug (t); + aname->culture = g_strdup (g_strchomp (t)); + tmp++; + g_free (t); + if (g_strcasecmp (aname->culture, "neutral") == 0) { + g_free ((void *) aname->culture); + aname->culture = g_strdup (""); + } + continue; + } + + if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) { + tmp++; + value += 15; + if (*value && strncmp (value, "null", 4)) { + gchar *t = g_strdup (value); + g_strchug (t); + aname->public_tok_value = g_strdup (g_strchomp (value)); + g_free (t); + } + continue; + } + + g_strfreev (parts); + return FALSE; + } + + g_strfreev (parts); + return TRUE; +} + +MonoReflectionAssembly * +ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad, + MonoArray *raw_assembly, + MonoArray *raw_symbol_store, MonoObject *evidence) +{ + MonoAssembly *ass; + MonoDomain *domain = ad->data; + MonoImageOpenStatus status; + guint32 raw_assembly_len = mono_array_length (raw_assembly); + MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL); + + if (raw_symbol_store) + mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented")); + + if (!image) { + mono_raise_exception (mono_get_exception_bad_image_format ("")); + return NULL; + } + + ass = mono_assembly_load_from (image, "", &status); + + if (!ass) { + mono_image_close (image); + mono_raise_exception (mono_get_exception_bad_image_format ("")); + return NULL; + } + + return mono_assembly_get_object (domain, ass); +} MonoReflectionAssembly * -ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssemblyName *assRef, MonoObject *evidence) +ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence) { MonoDomain *domain = ad->data; - char *name; MonoImageOpenStatus status = MONO_IMAGE_OK; MonoAssembly *ass; MonoAssemblyName aname; MonoReflectionAssembly *refass = NULL; - memset (&aname, 0, sizeof (aname)); + MONO_ARCH_SAVE_REGS; /* FIXME : examine evidence? */ g_assert (assRef != NULL); - g_assert (assRef->name != NULL); - /* FIXME : examine version, culture info */ + if (!get_info_from_assembly_name (assRef, &aname)) { + MonoException *exc; - aname.name = name = mono_string_to_utf8 (assRef->name); + free_assembly_name (&aname); + /* This is a parse error... */ + exc = mono_get_exception_file_not_found (assRef); + mono_raise_exception (exc); + } ass = mono_assembly_load (&aname, NULL, &status); - - g_free (name); + free_assembly_name (&aname); - if (!ass && (refass = try_assembly_resolve (domain, assRef->name)) == NULL){ + if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){ /* FIXME: it doesn't make much sense since we really don't have a filename ... */ - MonoException *exc = mono_get_exception_file_not_found (assRef->name); + MonoException *exc = mono_get_exception_file_not_found (assRef); mono_raise_exception (exc); } @@ -702,24 +941,54 @@ ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssem } void -ves_icall_System_AppDomain_Unload (MonoAppDomain *ad) +ves_icall_System_AppDomain_InternalUnload (gint32 domain_id) +{ + MonoDomain * domain = mono_domain_get_by_id (domain_id); + + MONO_ARCH_SAVE_REGS; + + if (NULL == domain) { + MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found"); + mono_raise_exception (exc); + } + + if (domain == mono_root_domain) { + mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded.")); + return; + } + + /* + * Unloading seems to cause problems when running NUnit/NAnt, hence + * this workaround. + */ + if (g_getenv ("MONO_NO_UNLOAD")) + return; + + mono_domain_unload (domain); +} + +gboolean +ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id) { - mono_domain_unload (ad->data, FALSE); + MonoDomain *domain = mono_domain_get_by_id (domain_id); + + if (!domain) + return TRUE; + + return mono_domain_is_unloading (domain); } gint32 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file, MonoObject *evidence, MonoArray *args) { - MonoDomain *cdom = mono_domain_get (); MonoAssembly *assembly; MonoImage *image; MonoMethod *method; - MonoObject *margs; char *filename; gint32 res; - mono_domain_set (ad->data); + MONO_ARCH_SAVE_REGS; filename = mono_string_to_utf8 (file); assembly = mono_assembly_open (filename, NULL); @@ -727,7 +996,7 @@ ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file, if (!assembly) { mono_raise_exception ((MonoException *)mono_exception_from_name ( - mono_defaults.corlib, "System.IO", "FileNotFoundException")); + mono_defaults.corlib, "System.IO", "FileNotFoundException")); } image = assembly->image; @@ -737,13 +1006,271 @@ ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file, if (!method) g_error ("No entry point method found in %s", image->name); - margs = mono_domain_transfer_object (cdom, ad->data, (MonoObject *)args); - if (!margs) - margs = (MonoObject *) mono_array_new (ad->data, mono_defaults.string_class, 0); - res = mono_runtime_exec_main (method, (MonoArray *)margs, NULL); + if (!args) + args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0); - mono_domain_set (cdom); + res = mono_runtime_exec_main (method, (MonoArray *)args, NULL); return res; } +gint32 +ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad) +{ + MONO_ARCH_SAVE_REGS; + + return ad->data->domain_id; +} + +MonoAppDomain * +ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad) +{ + MonoDomain *old_domain = mono_domain_get(); + + MONO_ARCH_SAVE_REGS; + + if (!mono_domain_set (ad->data, FALSE)) + mono_raise_exception (mono_get_exception_appdomain_unloaded ()); + + return old_domain->domain; +} + +MonoAppDomain * +ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid) +{ + MonoDomain *current_domain = mono_domain_get (); + MonoDomain *domain = mono_domain_get_by_id (domainid); + + MONO_ARCH_SAVE_REGS; + + if (!domain || !mono_domain_set (domain, FALSE)) + mono_raise_exception (mono_get_exception_appdomain_unloaded ()); + + return current_domain->domain; +} + +void +ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad) +{ + MONO_ARCH_SAVE_REGS; + + mono_thread_push_appdomain_ref (ad->data); +} + +void +ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id) +{ + MonoDomain *domain = mono_domain_get_by_id (domain_id); + + MONO_ARCH_SAVE_REGS; + + if (!domain) + /* + * Raise an exception to prevent the managed code from executing a pop + * later. + */ + mono_raise_exception (mono_get_exception_appdomain_unloaded ()); + + mono_thread_push_appdomain_ref (domain); +} + +void +ves_icall_System_AppDomain_InternalPopDomainRef (void) +{ + MONO_ARCH_SAVE_REGS; + + mono_thread_pop_appdomain_ref (); +} + +MonoAppContext * +ves_icall_System_AppDomain_InternalGetContext () +{ + MONO_ARCH_SAVE_REGS; + + return mono_context_get (); +} + +MonoAppContext * +ves_icall_System_AppDomain_InternalGetDefaultContext () +{ + MONO_ARCH_SAVE_REGS; + + return mono_domain_get ()->default_context; +} + +MonoAppContext * +ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc) +{ + MonoAppContext *old_context = mono_context_get (); + + MONO_ARCH_SAVE_REGS; + + mono_context_set (mc); + + return old_context; +} + +MonoString * +ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid) +{ + mono_domain_lock (mono_root_domain); + if (process_guid_set) { + mono_domain_unlock (mono_root_domain); + return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2); + } + memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid)); + process_guid_set = TRUE; + mono_domain_unlock (mono_root_domain); + return newguid; +} + +gboolean +mono_domain_is_unloading (MonoDomain *domain) +{ + if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED) + return TRUE; + else + return FALSE; +} + +static void +clear_cached_vtable (gpointer key, gpointer value, gpointer user_data) +{ + MonoClass *klass = (MonoClass*)key; + MonoDomain *domain = (MonoDomain*)user_data; + MonoVTable *vt; + + vt = klass->cached_vtable; + if (vt && vt->domain == domain) + klass->cached_vtable = NULL; +} + +typedef struct unload_data { + MonoDomain *domain; + char *failure_reason; +} unload_data; + +static guint32 +unload_thread_main (void *arg) +{ + unload_data *data = (unload_data*)arg; + MonoDomain *domain = data->domain; + + /* + * FIXME: Abort our parent thread last, so we can return a failure + * indication if aborting times out. + */ + if (!mono_threads_abort_appdomain_threads (domain, 10000)) { + data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name); + return 1; + } + + /* Finalize all finalizable objects in the doomed appdomain */ + if (!mono_domain_finalize (domain, 10000)) { + data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name); + return 1; + } + + /* Clear references to our vtables in class->cached_vtable */ + mono_domain_lock (domain); + mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, + domain); + mono_domain_unlock (domain); + + domain->state = MONO_APPDOMAIN_UNLOADED; + + //printf ("UNLOADED %s.\n", domain->friendly_name); + + mono_domain_free (domain, FALSE); + +#ifdef HAVE_BOEHM_GC + GC_gcollect (); +#endif + + return 0; +} + +/* + * mono_domain_unload: + * + * Unloads an appdomain. Follows the process outlined in: + * http://blogs.gotdotnet.com/cbrumme + * If doing things the 'right' way is too hard or complex, we do it the + * 'simple' way, which means do everything needed to avoid crashes and + * memory leaks, but not much else. + */ +static void +mono_domain_unload (MonoDomain *domain) +{ + HANDLE thread_handle; + guint32 tid; + MonoAppDomainState prev_state; + MonoMethod *method; + MonoObject *exc; + unload_data thread_data; + + //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name); + + /* Atomically change our state to UNLOADING */ + prev_state = InterlockedCompareExchange (&domain->state, + MONO_APPDOMAIN_UNLOADING, + MONO_APPDOMAIN_CREATED); + if (prev_state != MONO_APPDOMAIN_CREATED) { + if (prev_state == MONO_APPDOMAIN_UNLOADING) + mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.")); + else + if (prev_state == MONO_APPDOMAIN_UNLOADED) + mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.")); + else + g_assert_not_reached (); + } + + /* Notify OnDomainUnload listeners */ + method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload"); + g_assert (method); + + exc = NULL; + mono_runtime_invoke (method, domain->domain, NULL, &exc); + if (exc) { + /* Roll back the state change */ + domain->state = MONO_APPDOMAIN_CREATED; + mono_raise_exception ((MonoException*)exc); + } + + thread_data.domain = domain; + thread_data.failure_reason = NULL; + + /* + * First we create a separate thread for unloading, since + * we might have to abort some threads, including the current one. + */ + /* + * If we create a non-suspended thread, the runtime will hang. + * See: + * http://bugzilla.ximian.com/show_bug.cgi?id=27663 + */ +#if 0 + thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid); +#else + thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid); + ResumeThread (thread_handle); +#endif + + while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION) + ; /* wait for the thread */ + + + if (thread_data.failure_reason) { + MonoException *ex; + + ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason); + /* Roll back the state change */ + domain->state = MONO_APPDOMAIN_CREATED; + + g_warning (thread_data.failure_reason); + + g_free (thread_data.failure_reason); + + mono_raise_exception (ex); + } +}