diff options
Diffstat (limited to 'mono/metadata/appdomain.c')
| -rw-r--r-- | mono/metadata/appdomain.c | 1234 |
1 files changed, 1101 insertions, 133 deletions
diff --git a/mono/metadata/appdomain.c b/mono/metadata/appdomain.c index d0840a4d2fd..e6f49a51881 100644 --- a/mono/metadata/appdomain.c +++ b/mono/metadata/appdomain.c @@ -1,31 +1,62 @@ /* * 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 <config.h> #include <glib.h> #include <string.h> -#if HAVE_BOEHM_GC -#include <gc/gc.h> -#endif +#include <mono/os/gc_wrapper.h> #include <mono/metadata/object.h> -#include <mono/metadata/appdomain.h> +#include <mono/metadata/domain-internals.h> +#include "mono/metadata/metadata-internals.h" #include <mono/metadata/assembly.h> #include <mono/metadata/exception.h> #include <mono/metadata/threads.h> #include <mono/metadata/socket-io.h> -#include <mono/metadata/cil-coff.h> +#include <mono/metadata/tabledefs.h> +#include <mono/metadata/gc-internal.h> +#include <mono/metadata/marshal.h> +#include <mono/metadata/threadpool.h> +#include <mono/utils/mono-uri.h> + +#define MONO_CORLIB_VERSION 28 -HANDLE mono_delegate_semaphore = NULL; CRITICAL_SECTION mono_delegate_section; -int mono_runtime_shutdown = 0; + +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 MonoAssembly * +mono_domain_assembly_search (MonoAssemblyName *aname, + gpointer user_data); + +static void +mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data); + +static void +add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass); + +static MonoMethod * +look_for_method_by_name (MonoClass *klass, const gchar *name); + +static void +mono_domain_unload (MonoDomain *domain); /* * mono_runtime_init: @@ -34,17 +65,33 @@ int mono_runtime_shutdown = 0; * Initialize the core AppDomain: this function will run also some * IL initialization code, so it needs the execution engine to be fully * operational. + * + * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where + * we know the entry_assembly. + * */ void -mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb) +mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb, + MonoThreadAttachCB attach_cb) { MonoAppDomainSetup *setup; MonoAppDomain *ad; MonoClass *class; + MonoString *arg; + MONO_GC_PRE_INIT (); + mono_thread_pool_init (); + mono_marshal_init (); + + mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL); + mono_install_assembly_search_hook (mono_domain_assembly_search, 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); - ves_icall_System_AppDomainSetup_InitAppDomainSetup (setup); class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain"); ad = (MonoAppDomain *) mono_object_new (domain, class); @@ -52,120 +99,201 @@ 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_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); - mono_thread_init (domain, start_cb); + /* GC init has to happen after thread init */ + mono_gc_init (); mono_network_init (); + /* mscorlib is loaded before we install the load hook */ + mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL); + return; } +static int +mono_get_corlib_version (void) +{ + 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)); +} + +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 +mono_context_init (MonoDomain *domain) +{ + MonoClass *class; + MonoAppContext *context; + + 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; +} + +/* This must not be called while there are still running threads executing + * managed code. + */ void mono_runtime_cleanup (MonoDomain *domain) { - mono_runtime_shutdown = 1; + shutting_down = TRUE; - mono_network_cleanup (); + /* This ends up calling any pending pending (for at most 2 seconds) */ + mono_gc_cleanup (); - /* signal all waiters in order to stop all workers (max. 0xffff) */ - ReleaseSemaphore (mono_delegate_semaphore, 0xffff, NULL); + mono_network_cleanup (); +} - mono_thread_cleanup (); - +static MonoDomainFunc quit_function = NULL; +void +mono_runtime_install_cleanup (MonoDomainFunc func) +{ + quit_function = func; } void -ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup) +mono_runtime_quit () { - /* FIXME: implement me */ + if (quit_function != NULL) + quit_function (mono_get_root_domain (), 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) +gboolean +mono_runtime_is_shutting_down (void) { - MonoClass *klass; - MonoObject *res; + return shutting_down; +} - if (!obj) - return NULL; +gboolean +mono_domain_has_type_resolve (MonoDomain *domain) +{ + static MonoClassField *field = NULL; + MonoObject *o; - g_assert (obj->vtable->domain == src); + if (field == NULL) { + MonoClass *klass = mono_defaults.appdomain_class; + int i; - /* fixme: transfer an object from one domain into another */ + for (i = 0; i < klass->field.count; ++i) + if (strcmp (klass->fields [i].name, "TypeResolve") == 0) + field = &klass->fields [i]; + g_assert (field); + } - klass = obj->vtable->klass; + mono_field_get_value ((MonoObject*)(domain->domain), field, &o); + return o != NULL; +} - if (MONO_CLASS_IS_ARRAY (klass)) { - MonoArray *ao = (MonoArray *)obj; - int esize, ecount, i; - guint32 *sizes; - - 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) { - memcpy (res, (char *)ao + sizeof(MonoArray), esize * ecount); - } else { - g_assert (esize == sizeof (gpointer)); - for (i = 0; i < ecount; i++) { - int offset = sizeof (MonoArray) + esize * i; - gpointer *src_ea = (gpointer *)((char *)ao + offset); - gpointer *dst_ea = (gpointer *)((char *)res + offset); +MonoReflectionAssembly * +mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb) +{ + MonoClass *klass; + void *params [1]; + static MonoMethod *method = NULL; - *dst_ea = mono_domain_transfer_object (src, dst, *src_ea); - } + g_assert (domain != NULL && ((name != NULL) || (tb != NULL))); + + if (method == NULL) { + klass = domain->domain->mbr.obj.vtable->klass; + g_assert (klass); + + method = look_for_method_by_name (klass, "DoTypeResolve"); + if (method == NULL) { + g_warning ("Method AppDomain.DoTypeResolve not found.\n"); + return NULL; } - } else if (klass == mono_defaults.string_class) { - MonoString *str = (MonoString *)obj; - res = (MonoObject *)mono_string_new_utf16 (dst, - (const guint16 *)mono_string_chars (str), str->length); - } else { - /* FIXME: we need generic marshalling code here */ - g_assert_not_reached (); } - - return res; + + if (name) + *params = (MonoObject*)mono_string_new (mono_domain_get (), name); + else + *params = tb; + return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL); +} + +/* + * 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 unloaded + */ +gboolean +mono_domain_set (MonoDomain *domain, gboolean force) +{ + if (!force && domain->state == MONO_APPDOMAIN_UNLOADED) + return FALSE; + + mono_domain_set_internal (domain); + + 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); + + if (name == NULL) + mono_raise_exception (mono_get_exception_argument_null ("name")); 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")) @@ -185,7 +313,7 @@ ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name) else if (!strcmp (str, "FORCE_CACHE_INSTALL")) o = (MonoObject *)add->setup->shadow_copy_files; else - o = g_hash_table_lookup (add->env, str); + o = mono_g_hash_table_lookup (add->env, name); mono_domain_unlock (add); g_free (str); @@ -193,33 +321,33 @@ 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; - char *str; + + MONO_ARCH_SAVE_REGS; g_assert (ad != NULL); - g_assert (name != NULL); - o = mono_domain_transfer_object (cur, add, data); + if (name == NULL) + mono_raise_exception (mono_get_exception_argument_null ("name")); - /* fixme: need a hash func for MonoString */ - str = mono_string_to_utf8 (name); mono_domain_lock (add); - g_hash_table_insert (add->env, str, o); + + mono_g_hash_table_insert (add->env, name, data); + mono_domain_unlock (add); - g_free (str); } MonoAppDomainSetup * ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad) { + MONO_ARCH_SAVE_REGS; + g_assert (ad != NULL); g_assert (ad->data != NULL); @@ -229,6 +357,8 @@ 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); @@ -239,27 +369,62 @@ MonoAppDomain * ves_icall_System_AppDomain_getCurDomain () { MonoDomain *add = mono_domain_get (); + + MONO_ARCH_SAVE_REGS; + return add->domain; } MonoAppDomain * +ves_icall_System_AppDomain_getDomainByID (gint32 domain_id) +{ + MonoDomain *add = mono_domain_get_by_id (domain_id); + + MONO_ARCH_SAVE_REGS; + + return ((add == NULL) ? NULL : add->domain); +} + +static void +add_assembly_to_domain (gpointer key, gpointer value, gpointer user_data) +{ + add_assemblies_to_domain ((MonoDomain*)user_data, (MonoAssembly*)value); +} + +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"); + + if (!setup->application_base) { + /* Inherit from the root domain since MS.NET does this */ + MonoDomain *root = mono_get_root_domain (); + setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base)); + } - /* FIXME: what to do next ? */ + mono_context_init (data); + + /* The new appdomain should have all assemblies loaded */ + mono_domain_lock (domain); + g_hash_table_foreach (domain->assemblies_by_name, add_assembly_to_domain, data); + mono_domain_unlock (domain); return ad; } @@ -286,22 +451,391 @@ 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"); - res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies)); + res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies_by_name)); ah.domain = domain; ah.res = res; ah.idx = 0; mono_domain_lock (domain); - g_hash_table_foreach (domain->assemblies, add_assembly, &ah); + g_hash_table_foreach (domain->assemblies_by_name, add_assembly, &ah); mono_domain_unlock (domain); return res; } +/* + * Used to find methods in AppDomain class. + * It only works if there are no multiple signatures for any given method name + */ +static MonoMethod * +look_for_method_by_name (MonoClass *klass, const gchar *name) +{ + gint i; + MonoMethod *method; + + for (i = 0; i < klass->method.count; i++) { + method = klass->methods [i]; + if (!strcmp (method->name, name)) + return method; + } + + return NULL; +} + +static MonoReflectionAssembly * +try_assembly_resolve (MonoDomain *domain, MonoString *fname) +{ + MonoClass *klass; + MonoMethod *method; + void *params [1]; + + g_assert (domain != NULL && fname != NULL); + + klass = domain->domain->mbr.obj.vtable->klass; + g_assert (klass); + + method = look_for_method_by_name (klass, "DoAssemblyResolve"); + if (method == NULL) { + g_warning ("Method AppDomain.DoAssemblyResolve not found.\n"); + return NULL; + } + + *params = fname; + return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL); +} + +static void +add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass) +{ + gint i; + + if (!ass->aname.name) + return; + + mono_domain_lock (domain); + + if (g_hash_table_lookup (domain->assemblies_by_name, ass->aname.name)) { + mono_domain_unlock (domain); + return; /* This is ok while no lazy loading of assemblies */ + } + + g_hash_table_insert (domain->assemblies_by_name, (gpointer) ass->aname.name, ass); + domain->assemblies = g_list_prepend (domain->assemblies, ass); + mono_domain_unlock (domain); + + if (ass->image->references) + for (i = 0; ass->image->references [i] != NULL; i++) + add_assemblies_to_domain (domain, ass->image->references [i]); +} + +static void +mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data) +{ + MonoDomain *domain = mono_domain_get (); + MonoReflectionAssembly *ref_assembly; + MonoClass *klass; + MonoMethod *method; + void *params [1]; + + klass = domain->domain->mbr.obj.vtable->klass; + + method = look_for_method_by_name (klass, "DoAssemblyLoad"); + if (method == NULL) { + g_warning ("Method AppDomain.DoAssemblyLoad not found.\n"); + return; + } + + add_assemblies_to_domain (domain, assembly); + + ref_assembly = mono_assembly_get_object (domain, assembly); + g_assert (ref_assembly); + + *params = ref_assembly; + 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) { +#ifdef PLATFORM_WIN32 + if (result->len == 0) + g_string_append_printf (result, "%s\\", data); + else if (result->str [result->len - 1] == '\\') + g_string_append_printf (result, "%s", data); + else +#endif + g_string_append_printf (result, "%c%s", + G_DIR_SEPARATOR, 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++) { + if (g_path_is_absolute (pvt_split [i - 1])) { + tmp [i] = g_strdup (pvt_split [i - 1]); + } else { + 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 result; +} + +/* + * Check whenever a given assembly was already loaded in the current appdomain. + */ +static MonoAssembly * +mono_domain_assembly_search (MonoAssemblyName *aname, + gpointer user_data) +{ + MonoDomain *domain = mono_domain_get (); + GList *tmp; + MonoAssembly *ass; + + mono_domain_lock (domain); + for (tmp = domain->assemblies; tmp; tmp = tmp->next) { + ass = tmp->data; + /* Dynamic assemblies can't match here in MS.NET */ + if (ass->dynamic || !mono_assembly_names_equal (aname, &ass->aname)) + continue; + + mono_domain_unlock (domain); + return ass; + } + mono_domain_unlock (domain); + + return NULL; +} + MonoReflectionAssembly * ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname) { @@ -310,95 +844,529 @@ 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); g_free (name); - if (!ass) - mono_raise_exception ((MonoException *)mono_exception_from_name (mono_defaults.corlib, "System.IO", "FileNotFoundException")); + if (!ass){ + MonoException *exc = mono_get_exception_file_not_found (fname); + mono_raise_exception (exc); + } 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); + g_strlcpy (aname->public_key_token, g_strchomp (value), MONO_PUBLIC_KEY_TOKEN_LENGTH); + 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; + MonoReflectionAssembly *refass = NULL; + 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; + } + + refass = mono_assembly_get_object (domain, ass); + refass->evidence = evidence; + return refass; +} 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)); - - /* FIXME : examine evidence? */ + MONO_ARCH_SAVE_REGS; 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)) == 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); + mono_raise_exception (exc); + } - if (!ass) - mono_raise_exception ((MonoException *)mono_exception_from_name (mono_defaults.corlib, "System.IO", "FileNotFoundException")); + if (refass == NULL) + refass = mono_assembly_get_object (domain, ass); - return mono_assembly_get_object (domain, ass); + refass->evidence = evidence; + return refass; } void -ves_icall_System_AppDomain_Unload (MonoAppDomain *ad) +ves_icall_System_AppDomain_InternalUnload (gint32 domain_id) { - mono_domain_unload (ad->data, FALSE); + 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_get_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) +{ + 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; - MonoCLIImageInfo *iinfo; MonoMethod *method; - MonoObject *margs; char *filename; gint32 res; + MonoReflectionAssembly *refass; - mono_domain_set (ad->data); + MONO_ARCH_SAVE_REGS; filename = mono_string_to_utf8 (file); assembly = mono_assembly_open (filename, NULL); g_free (filename); - if (!assembly) { - mono_raise_exception ((MonoException *)mono_exception_from_name ( - mono_defaults.corlib, "System.IO", "FileNotFoundException")); - } + if (!assembly) + mono_raise_exception (mono_get_exception_file_not_found (file)); image = assembly->image; - iinfo = image->image_info; - method = mono_get_method (image, iinfo->cli_cli_header.ch_entry_point, NULL); + + method = mono_get_method (image, mono_image_get_entry_point (image), NULL); if (!method) g_error ("No entry point method found in %s", image->name); - margs = mono_domain_transfer_object (cdom, ad->data, (MonoObject *)args); - res = mono_runtime_exec_main (method, (MonoArray *)margs, NULL); + if (!args) + args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0); + + refass = mono_assembly_get_object (ad->data, assembly); + refass->evidence = evidence; - 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) +{ + MonoDomain* mono_root_domain = mono_get_root_domain (); + 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; + MonoDomain *caller_domain = mono_domain_get (); + + /* 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 (); + } + + mono_domain_set (domain, FALSE); + /* 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_domain_set (caller_domain, FALSE); + 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 +#if defined(PLATFORM_WIN32) && defined (HAVE_BOEHM_GC) + thread_handle = GC_CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid); +#else + thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid); +#endif + ResumeThread (thread_handle); +#endif + + while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION) + ; /* wait for the thread */ + + + mono_domain_set (caller_domain, FALSE); + 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); + } +} |