/** * \file * MonoDomain functions * * Author: * Dietmar Maurer (dietmar@ximian.com) * Patrik Torstensson * * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com) * Copyright 2004-2009 Novell, Inc (http://www.novell.com) * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com) * Licensed under the MIT license. See LICENSE file in the project root for full license information. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#define DEBUG_DOMAIN_UNLOAD 1 #define GET_APPDOMAIN() ((MonoDomain*)mono_tls_get_domain ()) #define SET_APPDOMAIN(x) do { \ MonoThreadInfo *info; \ mono_tls_set_domain (x); \ info = mono_thread_info_current (); \ if (info) \ mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \ } while (FALSE) #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext) #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x)) static guint16 appdomain_list_size = 0; static guint16 appdomain_next = 0; static MonoDomain **appdomains_list = NULL; static MonoImage *exe_image; static gboolean debug_domain_unload; gboolean mono_dont_free_domains; #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex) #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex) static MonoCoopMutex appdomains_mutex; static MonoDomain *mono_root_domain = NULL; /* some statistics */ static int max_domain_code_size = 0; static int max_domain_code_alloc = 0; static int total_domain_code_alloc = 0; /* AppConfigInfo: Information about runtime versions supported by an * aplication. */ typedef struct { GSList *supported_runtimes; char *required_runtime; int configuration_count; int startup_count; } AppConfigInfo; static const MonoRuntimeInfo *current_runtime = NULL; #define NOT_AVAIL {0xffffU,0xffffU,0xffffU,0xffffU} /* This is the list of runtime versions supported by this JIT. */ static const MonoRuntimeInfo supported_runtimes[] = { {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0}, {4,0,0,0} } }, {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0}, {4,0,0,0} } }, {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0}, NOT_AVAIL } }, }; #undef NOT_AVAIL /* The stable runtime version */ #define DEFAULT_RUNTIME_VERSION "v4.0.30319" /* Callbacks installed by the JIT */ static MonoCreateDomainFunc create_domain_hook; static MonoFreeDomainFunc free_domain_hook; /* AOT cache configuration */ static MonoAotCacheConfig aot_cache_config; static void get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes); static const MonoRuntimeInfo* get_runtime_by_version (const char *version); #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1)) #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1))) static LockFreeMempool* lock_free_mempool_new (void) { return g_new0 (LockFreeMempool, 1); } static void lock_free_mempool_free (LockFreeMempool *mp) { LockFreeMempoolChunk *chunk, *next; chunk = mp->chunks; while (chunk) { next = (LockFreeMempoolChunk *)chunk->prev; mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN); chunk = next; } g_free (mp); } /* * This is async safe */ static LockFreeMempoolChunk* lock_free_mempool_chunk_new (LockFreeMempool *mp, int len) { LockFreeMempoolChunk *chunk, *prev; int size; size = mono_pagesize (); while (size - sizeof (LockFreeMempoolChunk) < len) size += mono_pagesize (); chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN); g_assert (chunk); chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16); chunk->size = ((char*)chunk + size) - (char*)chunk->mem; chunk->pos = 0; /* Add to list of chunks lock-free */ while (TRUE) { prev = mp->chunks; if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev) break; } chunk->prev = prev; return chunk; } /* * This is async safe */ static gpointer lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size) { LockFreeMempoolChunk *chunk; gpointer res; int oldpos; // FIXME: Free the allocator size = ALIGN_TO (size, 8); chunk = mp->current; if (!chunk) { chunk = lock_free_mempool_chunk_new (mp, size); mono_memory_barrier (); /* Publish */ mp->current = chunk; } /* The code below is lock-free, 'chunk' is shared state */ oldpos = InterlockedExchangeAdd (&chunk->pos, size); if (oldpos + size > chunk->size) { chunk = lock_free_mempool_chunk_new (mp, size); g_assert (chunk->pos + size <= chunk->size); res = chunk->mem; chunk->pos += size; mono_memory_barrier (); mp->current = chunk; } else { res = (char*)chunk->mem + oldpos; } return res; } void mono_install_create_domain_hook (MonoCreateDomainFunc func) { create_domain_hook = func; } void mono_install_free_domain_hook (MonoFreeDomainFunc func) { free_domain_hook = func; } /** * mono_string_equal: * \param s1 First string to compare * \param s2 Second string to compare * * Compares two \c MonoString* instances ordinally for equality. * * \returns FALSE if the strings differ. */ gboolean mono_string_equal (MonoString *s1, MonoString *s2) { int l1 = mono_string_length (s1); int l2 = mono_string_length (s2); if (s1 == s2) return TRUE; if (l1 != l2) return FALSE; return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0; } /** * mono_string_hash: * \param s the string to hash * * Compute the hash for a \c MonoString* * \returns the hash for the string. */ guint mono_string_hash (MonoString *s) { const guint16 *p = mono_string_chars (s); int i, len = mono_string_length (s); guint h = 0; for (i = 0; i < len; i++) { h = (h << 5) - h + *p; p++; } return h; } static gboolean mono_ptrarray_equal (gpointer *s1, gpointer *s2) { int len = GPOINTER_TO_INT (s1 [0]); if (len != GPOINTER_TO_INT (s2 [0])) return FALSE; return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0; } static guint mono_ptrarray_hash (gpointer *s) { int i; int len = GPOINTER_TO_INT (s [0]); guint hash = 0; for (i = 1; i < len; i++) hash += GPOINTER_TO_UINT (s [i]); return hash; } /* * Allocate an id for domain and set domain->domain_id. * LOCKING: must be called while holding appdomains_mutex. * We try to assign low numbers to the domain, so it can be used * as an index in data tables to lookup domain-specific info * with minimal memory overhead. We also try not to reuse the * same id too quickly (to help debugging). */ static int domain_id_alloc (MonoDomain *domain) { int id = -1, i; if (!appdomains_list) { appdomain_list_size = 2; appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list"); } for (i = appdomain_next; i < appdomain_list_size; ++i) { if (!appdomains_list [i]) { id = i; break; } } if (id == -1) { for (i = 0; i < appdomain_next; ++i) { if (!appdomains_list [i]) { id = i; break; } } } if (id == -1) { MonoDomain **new_list; int new_size = appdomain_list_size * 2; if (new_size >= (1 << 16)) g_assert_not_reached (); id = appdomain_list_size; new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list"); memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*)); mono_gc_free_fixed (appdomains_list); appdomains_list = new_list; appdomain_list_size = new_size; } domain->domain_id = id; appdomains_list [id] = domain; appdomain_next++; if (appdomain_next > appdomain_list_size) appdomain_next = 0; return id; } static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1]; static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL; static guint32 domain_shadow_serial = 0L; /** * mono_domain_create: * * Creates a new application domain, the unmanaged representation * of the actual domain. * * Application domains provide an isolation facilty for assemblies. You * can load assemblies and execute code in them that will not be visible * to other application domains. This is a runtime-based virtualization * technology. * * It is possible to unload domains, which unloads the assemblies and * data that was allocated in that domain. * * When a domain is created a mempool is allocated for domain-specific * structures, along a dedicated code manager to hold code that is * associated with the domain. * * \returns New initialized \c MonoDomain, with no configuration or assemblies * loaded into it. */ MonoDomain * mono_domain_create (void) { MonoDomain *domain; guint32 shadow_serial; mono_appdomains_lock (); shadow_serial = domain_shadow_serial++; if (!domain_gc_desc) { unsigned int i, bit = 0; for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) { bit = i / sizeof (gpointer); domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32); } domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1); } mono_appdomains_unlock (); if (!mono_gc_is_moving ()) { domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object"); } else { domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object"); mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "misc domain fields"); } domain->shadow_serial = shadow_serial; domain->domain = NULL; domain->setup = NULL; domain->friendly_name = NULL; domain->search_path = NULL; MONO_PROFILER_RAISE (domain_loading, (domain)); domain->mp = mono_mempool_new (); domain->code_mp = mono_code_manager_new (); domain->lock_free_mp = lock_free_mempool_new (); domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain environment variables table"); domain->domain_assemblies = NULL; domain->assembly_bindings = NULL; domain->assembly_bindings_parsed = FALSE; domain->class_vtable_array = g_ptr_array_new (); domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal); mono_jit_code_hash_init (&domain->jit_code_hash); domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain string constants table"); domain->num_jit_info_tables = 1; domain->jit_info_table = mono_jit_info_table_new (domain); domain->jit_info_free_queue = NULL; domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL); mono_coop_mutex_init_recursive (&domain->lock); mono_os_mutex_init_recursive (&domain->assemblies_lock); mono_os_mutex_init_recursive (&domain->jit_code_hash_lock); mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock); domain->method_rgctx_hash = NULL; mono_appdomains_lock (); domain_id_alloc (domain); mono_appdomains_unlock (); #ifndef DISABLE_PERFCOUNTERS InterlockedIncrement (&mono_perfcounters->loader_appdomains); InterlockedIncrement (&mono_perfcounters->loader_total_appdomains); #endif mono_debug_domain_create (domain); if (create_domain_hook) create_domain_hook (domain); MONO_PROFILER_RAISE (domain_loaded, (domain)); return domain; } /** * mono_init_internal: * * Creates the initial application domain and initializes the mono_defaults * structure. * This function is guaranteed to not run any IL code. * If exe_filename is not NULL, the method will determine the required runtime * from the exe configuration file or the version PE field. * If runtime_version is not NULL, that runtime version will be used. * Either exe_filename or runtime_version must be provided. * * Returns: the initial domain. */ static MonoDomain * mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version) { static MonoDomain *domain = NULL; MonoAssembly *ass = NULL; MonoImageOpenStatus status = MONO_IMAGE_OK; const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1] = { NULL }; int n; #ifdef DEBUG_DOMAIN_UNLOAD debug_domain_unload = TRUE; #endif if (domain) g_assert_not_reached (); #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT) /* Avoid system error message boxes. */ SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX); #endif #ifndef HOST_WIN32 mono_w32handle_init (); mono_w32handle_namespace_init (); #endif mono_w32mutex_init (); mono_w32semaphore_init (); mono_w32event_init (); mono_w32process_init (); mono_w32file_init (); #ifndef DISABLE_PERFCOUNTERS mono_perfcounters_init (); #endif mono_counters_init (); mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size); mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc); mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc); mono_counters_register ("Max HashTable Chain Length", MONO_COUNTER_INT|MONO_COUNTER_METADATA, &mono_g_hash_table_max_chain_length); mono_gc_base_init (); mono_thread_info_attach (); mono_coop_mutex_init_recursive (&appdomains_mutex); mono_metadata_init (); mono_images_init (); mono_assemblies_init (); mono_classes_init (); mono_loader_init (); mono_reflection_init (); mono_runtime_init_tls (); domain = mono_domain_create (); mono_root_domain = domain; SET_APPDOMAIN (domain); /* Get a list of runtimes supported by the exe */ if (exe_filename != NULL) { /* * This function will load the exe file as a MonoImage. We need to close it, but * that would mean it would be reloaded later. So instead, we save it to * exe_image, and close it during shutdown. */ get_runtimes_from_exe (exe_filename, &exe_image, runtimes); #ifdef HOST_WIN32 if (!exe_image) { exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE); if (!exe_image) exe_image = mono_image_open (exe_filename, NULL); } mono_fixup_exe_image (exe_image); #endif } else if (runtime_version != NULL) { runtimes [0] = get_runtime_by_version (runtime_version); runtimes [1] = NULL; } if (runtimes [0] == NULL) { const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION); runtimes [0] = default_runtime; runtimes [1] = NULL; g_print ("WARNING: The runtime version supported by this application is unavailable.\n"); g_print ("Using default runtime: %s\n", default_runtime->runtime_version); } /* The selected runtime will be the first one for which there is a mscrolib.dll */ for (n = 0; runtimes [n] != NULL && ass == NULL; n++) { current_runtime = runtimes [n]; ass = mono_assembly_load_corlib (current_runtime, &status); if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO) break; } if ((status != MONO_IMAGE_OK) || (ass == NULL)) { switch (status){ case MONO_IMAGE_ERROR_ERRNO: { char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL); g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n"); g_print ("It should have been installed in the `%s' directory.\n", corlib_file); g_free (corlib_file); break; } case MONO_IMAGE_IMAGE_INVALID: g_print ("The file %s/mscorlib.dll is an invalid CIL image\n", mono_assembly_getrootdir ()); break; case MONO_IMAGE_MISSING_ASSEMBLYREF: g_print ("Missing assembly reference in %s/mscorlib.dll\n", mono_assembly_getrootdir ()); break; case MONO_IMAGE_OK: /* to suppress compiler warning */ break; } exit (1); } mono_defaults.corlib = mono_assembly_get_image (ass); mono_defaults.object_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Object"); mono_defaults.void_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Void"); mono_defaults.boolean_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Boolean"); mono_defaults.byte_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Byte"); mono_defaults.sbyte_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "SByte"); mono_defaults.int16_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Int16"); mono_defaults.uint16_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "UInt16"); mono_defaults.int32_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Int32"); mono_defaults.uint32_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "UInt32"); mono_defaults.uint_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "UIntPtr"); mono_defaults.int_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "IntPtr"); mono_defaults.int64_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Int64"); mono_defaults.uint64_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "UInt64"); mono_defaults.single_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Single"); mono_defaults.double_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Double"); mono_defaults.char_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Char"); mono_defaults.string_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "String"); mono_defaults.enum_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Enum"); mono_defaults.array_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Array"); mono_defaults.delegate_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Delegate"); mono_defaults.multicastdelegate_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "MulticastDelegate"); mono_defaults.asyncresult_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "AsyncResult"); mono_defaults.manualresetevent_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Threading", "ManualResetEvent"); mono_defaults.typehandle_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "RuntimeTypeHandle"); mono_defaults.methodhandle_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "RuntimeMethodHandle"); mono_defaults.fieldhandle_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "RuntimeFieldHandle"); mono_defaults.systemtype_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Type"); mono_defaults.runtimetype_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "RuntimeType"); mono_defaults.exception_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Exception"); mono_defaults.threadabortexception_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Threading", "ThreadAbortException"); mono_defaults.thread_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Threading", "Thread"); mono_defaults.internal_thread_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Threading", "InternalThread"); mono_defaults.appdomain_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "AppDomain"); #ifndef DISABLE_REMOTING mono_defaults.transparent_proxy_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy"); mono_defaults.real_proxy_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy"); mono_defaults.marshalbyrefobject_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "MarshalByRefObject"); mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo"); #endif mono_defaults.mono_method_message_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage"); mono_defaults.field_info_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Reflection", "FieldInfo"); mono_defaults.method_info_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Reflection", "MethodInfo"); mono_defaults.stringbuilder_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Text", "StringBuilder"); mono_defaults.math_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Math"); mono_defaults.stack_frame_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Diagnostics", "StackFrame"); mono_defaults.stack_trace_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Diagnostics", "StackTrace"); mono_defaults.marshal_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal"); mono_defaults.typed_reference_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "TypedReference"); mono_defaults.argumenthandle_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "RuntimeArgumentHandle"); mono_defaults.monitor_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Threading", "Monitor"); /* Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization. */ mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject"); mono_assembly_load_friends (ass); mono_defaults.handleref_class = mono_class_try_load_from_name ( mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef"); mono_defaults.attribute_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Attribute"); mono_defaults.customattribute_data_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Reflection", "CustomAttributeData"); mono_class_init (mono_defaults.array_class); mono_defaults.generic_nullable_class = mono_class_load_from_name ( mono_defaults.corlib, "System", "Nullable`1"); mono_defaults.generic_ilist_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Collections.Generic", "IList`1"); mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1"); mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name ( mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback"); mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name ( mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0); domain->friendly_name = g_path_get_basename (filename); MONO_PROFILER_RAISE (domain_name, (domain, domain->friendly_name)); return domain; } /** * mono_init: * * Creates the initial application domain and initializes the mono_defaults * structure. * * This function is guaranteed to not run any IL code. * The runtime is initialized using the default runtime version. * * Returns: the initial domain. */ MonoDomain * mono_init (const char *domain_name) { return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION); } /** * mono_init_from_assembly: * \param domain_name name to give to the initial domain * \param filename filename to load on startup * * Used by the runtime, users should use mono_jit_init instead. * * Creates the initial application domain and initializes the mono_defaults * structure. * This function is guaranteed to not run any IL code. * The runtime is initialized using the runtime version required by the * provided executable. The version is determined by looking at the exe * configuration file and the version PE field) * * \returns the initial domain. */ MonoDomain * mono_init_from_assembly (const char *domain_name, const char *filename) { return mono_init_internal (domain_name, filename, NULL); } /** * mono_init_version: * * Used by the runtime, users should use \c mono_jit_init instead. * * Creates the initial application domain and initializes the \c mono_defaults * structure. * * This function is guaranteed to not run any IL code. * The runtime is initialized using the provided rutime version. * * \returns the initial domain. */ MonoDomain * mono_init_version (const char *domain_name, const char *version) { return mono_init_internal (domain_name, NULL, version); } /** * mono_cleanup: * * Cleans up all metadata modules. */ void mono_cleanup (void) { mono_close_exe_image (); mono_defaults.corlib = NULL; mono_config_cleanup (); mono_loader_cleanup (); mono_classes_cleanup (); mono_assemblies_cleanup (); mono_debug_cleanup (); mono_images_cleanup (); mono_metadata_cleanup (); mono_coop_mutex_destroy (&appdomains_mutex); mono_w32process_cleanup (); mono_w32file_cleanup (); } void mono_close_exe_image (void) { if (exe_image) mono_image_close (exe_image); } /** * mono_get_root_domain: * * The root AppDomain is the initial domain created by the runtime when it is * initialized. Programs execute on this AppDomain, but can create new ones * later. Currently there is no unmanaged API to create new AppDomains, this * must be done from managed code. * * Returns: the root appdomain, to obtain the current domain, use mono_domain_get () */ MonoDomain* mono_get_root_domain (void) { return mono_root_domain; } /** * mono_domain_get: * * This method returns the value of the current \c MonoDomain that this thread * and code are running under. To obtain the root domain use * \c mono_get_root_domain API. * * \returns the current domain */ MonoDomain * mono_domain_get () { return GET_APPDOMAIN (); } void mono_domain_unset (void) { SET_APPDOMAIN (NULL); } void mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception) { MonoInternalThread *thread; if (mono_domain_get () == domain) return; SET_APPDOMAIN (domain); SET_APPCONTEXT (domain->default_context); if (migrate_exception) { thread = mono_thread_internal_current (); if (!thread->abort_exc) return; g_assert (thread->abort_exc->object.vtable->domain != domain); MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ()); g_assert (thread->abort_exc->object.vtable->domain == domain); } } /** * mono_domain_set_internal: * \param domain the new domain * * Sets the current domain to \p domain. */ void mono_domain_set_internal (MonoDomain *domain) { mono_domain_set_internal_with_options (domain, TRUE); } /** * mono_domain_foreach: * \param func function to invoke with the domain data * \param user_data user-defined pointer that is passed to the supplied \p func fo reach domain * * Use this method to safely iterate over all the loaded application * domains in the current runtime. The provided \p func is invoked with a * pointer to the \c MonoDomain and is given the value of the \p user_data * parameter which can be used to pass state to your called routine. */ void mono_domain_foreach (MonoDomainFunc func, gpointer user_data) { int i, size; MonoDomain **copy; /* * Create a copy of the data to avoid calling the user callback * inside the lock because that could lead to deadlocks. * We can do this because this function is not perf. critical. */ mono_appdomains_lock (); size = appdomain_list_size; copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list"); memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*)); mono_appdomains_unlock (); for (i = 0; i < size; ++i) { if (copy [i]) func (copy [i], user_data); } mono_gc_free_fixed (copy); } /* FIXME: maybe we should integrate this with mono_assembly_open? */ /** * mono_domain_assembly_open: * \param domain the application domain * \param name file name of the assembly */ MonoAssembly * mono_domain_assembly_open (MonoDomain *domain, const char *name) { MonoDomain *current; MonoAssembly *ass; GSList *tmp; mono_domain_assemblies_lock (domain); for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) { ass = (MonoAssembly *)tmp->data; if (strcmp (name, ass->aname.name) == 0) { mono_domain_assemblies_unlock (domain); return ass; } } mono_domain_assemblies_unlock (domain); if (domain != mono_domain_get ()) { current = mono_domain_get (); mono_domain_set (domain, FALSE); ass = mono_assembly_open_predicate (name, FALSE, FALSE, NULL, NULL, NULL); mono_domain_set (current, FALSE); } else { ass = mono_assembly_open_predicate (name, FALSE, FALSE, NULL, NULL, NULL); } return ass; } static void unregister_vtable_reflection_type (MonoVTable *vtable) { MonoObject *type = (MonoObject *)vtable->type; if (type->vtable->klass != mono_defaults.runtimetype_class) MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type); } /** * mono_domain_free: * \param domain the domain to release * \param force if TRUE, it allows the root domain to be released (used at shutdown only). * * This releases the resources associated with the specific domain. * This is a low-level function that is invoked by the AppDomain infrastructure * when necessary. */ void mono_domain_free (MonoDomain *domain, gboolean force) { int code_size, code_alloc; GSList *tmp; gpointer *p; if ((domain == mono_root_domain) && !force) { g_warning ("cant unload root domain"); return; } if (mono_dont_free_domains) return; MONO_PROFILER_RAISE (domain_unloading, (domain)); mono_debug_domain_unload (domain); /* must do this early as it accesses fields and types */ if (domain->special_static_fields) { mono_alloc_special_static_data_free (domain->special_static_fields); g_hash_table_destroy (domain->special_static_fields); domain->special_static_fields = NULL; } /* * We must destroy all these hash tables here because they * contain references to managed objects belonging to the * domain. Once we let the GC clear the domain there must be * no more such references, or we'll crash if a collection * occurs. */ mono_g_hash_table_destroy (domain->ldstr_table); domain->ldstr_table = NULL; mono_g_hash_table_destroy (domain->env); domain->env = NULL; mono_reflection_cleanup_domain (domain); /* This must be done before type_hash is freed */ if (domain->class_vtable_array) { int i; for (i = 0; i < domain->class_vtable_array->len; ++i) unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i)); } if (domain->type_hash) { mono_g_hash_table_destroy (domain->type_hash); domain->type_hash = NULL; } if (domain->type_init_exception_hash) { mono_g_hash_table_destroy (domain->type_init_exception_hash); domain->type_init_exception_hash = NULL; } for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) { MonoAssembly *ass = (MonoAssembly *)tmp->data; mono_assembly_release_gc_roots (ass); } /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */ for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p) *p = NULL; /* This needs to be done before closing assemblies */ mono_gc_clear_domain (domain); /* Close dynamic assemblies first, since they have no ref count */ for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) { MonoAssembly *ass = (MonoAssembly *)tmp->data; if (!ass->image || !image_is_dynamic (ass->image)) continue; mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count); if (!mono_assembly_close_except_image_pools (ass)) tmp->data = NULL; } for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) { MonoAssembly *ass = (MonoAssembly *)tmp->data; if (!ass) continue; if (!ass->image || image_is_dynamic (ass->image)) continue; mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count); if (!mono_assembly_close_except_image_pools (ass)) tmp->data = NULL; } for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) { MonoAssembly *ass = (MonoAssembly *)tmp->data; if (ass) mono_assembly_close_finish (ass); } g_slist_free (domain->domain_assemblies); domain->domain_assemblies = NULL; /* * Send this after the assemblies have been unloaded and the domain is still in a * usable state. */ MONO_PROFILER_RAISE (domain_unloaded, (domain)); if (free_domain_hook) free_domain_hook (domain); /* FIXME: free delegate_hash_table when it's used */ if (domain->search_path) { g_strfreev (domain->search_path); domain->search_path = NULL; } domain->create_proxy_for_type_method = NULL; domain->private_invoke_method = NULL; domain->default_context = NULL; domain->out_of_memory_ex = NULL; domain->null_reference_ex = NULL; domain->stack_overflow_ex = NULL; domain->ephemeron_tombstone = NULL; domain->entry_assembly = NULL; g_free (domain->friendly_name); domain->friendly_name = NULL; g_ptr_array_free (domain->class_vtable_array, TRUE); domain->class_vtable_array = NULL; g_hash_table_destroy (domain->proxy_vtable_hash); domain->proxy_vtable_hash = NULL; mono_internal_hash_table_destroy (&domain->jit_code_hash); /* * There might still be jit info tables of this domain which * are not freed. Since the domain cannot be in use anymore, * this will free them. */ mono_thread_hazardous_try_free_all (); if (domain->aot_modules) mono_jit_info_table_free (domain->aot_modules); g_assert (domain->num_jit_info_tables == 1); mono_jit_info_table_free (domain->jit_info_table); domain->jit_info_table = NULL; g_assert (!domain->jit_info_free_queue); /* collect statistics */ code_alloc = mono_code_manager_size (domain->code_mp, &code_size); total_domain_code_alloc += code_alloc; max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc); max_domain_code_size = MAX (max_domain_code_size, code_size); if (debug_domain_unload) { mono_mempool_invalidate (domain->mp); mono_code_manager_invalidate (domain->code_mp); } else { #ifndef DISABLE_PERFCOUNTERS /* FIXME: use an explicit subtraction method as soon as it's available */ InterlockedAdd (&mono_perfcounters->loader_bytes, -1 * mono_mempool_get_allocated (domain->mp)); #endif mono_mempool_destroy (domain->mp); domain->mp = NULL; mono_code_manager_destroy (domain->code_mp); domain->code_mp = NULL; } lock_free_mempool_free (domain->lock_free_mp); domain->lock_free_mp = NULL; g_hash_table_destroy (domain->finalizable_objects_hash); domain->finalizable_objects_hash = NULL; if (domain->method_rgctx_hash) { g_hash_table_destroy (domain->method_rgctx_hash); domain->method_rgctx_hash = NULL; } if (domain->generic_virtual_cases) { g_hash_table_destroy (domain->generic_virtual_cases); domain->generic_virtual_cases = NULL; } if (domain->ftnptrs_hash) { g_hash_table_destroy (domain->ftnptrs_hash); domain->ftnptrs_hash = NULL; } if (domain->method_to_dyn_method) { g_hash_table_destroy (domain->method_to_dyn_method); domain->method_to_dyn_method = NULL; } mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock); mono_os_mutex_destroy (&domain->assemblies_lock); mono_os_mutex_destroy (&domain->jit_code_hash_lock); mono_coop_mutex_destroy (&domain->lock); domain->setup = NULL; if (mono_gc_is_moving ()) mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED)); mono_appdomains_lock (); appdomains_list [domain->domain_id] = NULL; mono_appdomains_unlock (); mono_gc_free_fixed (domain); #ifndef DISABLE_PERFCOUNTERS InterlockedDecrement (&mono_perfcounters->loader_appdomains); #endif if (domain == mono_root_domain) mono_root_domain = NULL; } /** * mono_domain_get_by_id: * \param domainid the ID * \returns the domain for a specific domain id. */ MonoDomain * mono_domain_get_by_id (gint32 domainid) { MonoDomain * domain; mono_appdomains_lock (); if (domainid < appdomain_list_size) domain = appdomains_list [domainid]; else domain = NULL; mono_appdomains_unlock (); return domain; } /** * mono_domain_get_id: * * A domain ID is guaranteed to be unique for as long as the domain * using it is alive. It may be reused later once the domain has been * unloaded. * * \returns The unique ID for \p domain. */ gint32 mono_domain_get_id (MonoDomain *domain) { return domain->domain_id; } /** * mono_domain_get_friendly_name: * * The returned string's lifetime is the same as \p domain's. Consider * copying it if you need to store it somewhere. * * \returns The friendly name of \p domain. Can be NULL if not yet set. */ const char * mono_domain_get_friendly_name (MonoDomain *domain) { return domain->friendly_name; } /* * mono_domain_alloc: * * LOCKING: Acquires the domain lock. */ gpointer mono_domain_alloc (MonoDomain *domain, guint size) { gpointer res; mono_domain_lock (domain); #ifndef DISABLE_PERFCOUNTERS InterlockedAdd (&mono_perfcounters->loader_bytes, size); #endif res = mono_mempool_alloc (domain->mp, size); mono_domain_unlock (domain); return res; } /* * mono_domain_alloc0: * * LOCKING: Acquires the domain lock. */ gpointer mono_domain_alloc0 (MonoDomain *domain, guint size) { gpointer res; mono_domain_lock (domain); #ifndef DISABLE_PERFCOUNTERS InterlockedAdd (&mono_perfcounters->loader_bytes, size); #endif res = mono_mempool_alloc0 (domain->mp, size); mono_domain_unlock (domain); return res; } gpointer mono_domain_alloc0_lock_free (MonoDomain *domain, guint size) { return lock_free_mempool_alloc0 (domain->lock_free_mp, size); } /* * mono_domain_code_reserve: * * LOCKING: Acquires the domain lock. */ void* mono_domain_code_reserve (MonoDomain *domain, int size) { gpointer res; mono_domain_lock (domain); res = mono_code_manager_reserve (domain->code_mp, size); mono_domain_unlock (domain); return res; } /* * mono_domain_code_reserve_align: * * LOCKING: Acquires the domain lock. */ void* mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment) { gpointer res; mono_domain_lock (domain); res = mono_code_manager_reserve_align (domain->code_mp, size, alignment); mono_domain_unlock (domain); return res; } /* * mono_domain_code_commit: * * LOCKING: Acquires the domain lock. */ void mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize) { mono_domain_lock (domain); mono_code_manager_commit (domain->code_mp, data, size, newsize); mono_domain_unlock (domain); } /* * mono_domain_code_foreach: * Iterate over the code thunks of the code manager of @domain. * * The @func callback MUST not take any locks. If it really needs to, it must respect * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety * LOCKING: Acquires the domain lock. */ void mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data) { mono_domain_lock (domain); mono_code_manager_foreach (domain->code_mp, func, user_data); mono_domain_unlock (domain); } /** * mono_context_set: */ void mono_context_set (MonoAppContext * new_context) { SET_APPCONTEXT (new_context); } void mono_context_set_handle (MonoAppContextHandle new_context) { SET_APPCONTEXT (MONO_HANDLE_RAW (new_context)); } /** * mono_context_get: * * Returns: the current Mono Application Context. */ MonoAppContext * mono_context_get (void) { return GET_APPCONTEXT (); } /** * mono_context_get_handle: * * Returns: the current Mono Application Context. */ MonoAppContextHandle mono_context_get_handle (void) { return MONO_HANDLE_NEW (MonoAppContext, GET_APPCONTEXT ()); } /** * mono_context_get_id: * \param context the context to operate on. * * Context IDs are guaranteed to be unique for the duration of a Mono * process; they are never reused. * * \returns The unique ID for \p context. */ gint32 mono_context_get_id (MonoAppContext *context) { return context->context_id; } /** * mono_context_get_domain_id: * \param context the context to operate on. * \returns The ID of the domain that \p context was created in. */ gint32 mono_context_get_domain_id (MonoAppContext *context) { return context->domain_id; } /** * mono_get_corlib: * Use this function to get the \c MonoImage* for the \c mscorlib.dll assembly * \returns The \c MonoImage for mscorlib.dll */ MonoImage* mono_get_corlib (void) { return mono_defaults.corlib; } /** * mono_get_object_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Object . * \returns The \c MonoClass* for the \c System.Object type. */ MonoClass* mono_get_object_class (void) { return mono_defaults.object_class; } /** * mono_get_byte_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Byte . * \returns The \c MonoClass* for the \c System.Byte type. */ MonoClass* mono_get_byte_class (void) { return mono_defaults.byte_class; } /** * mono_get_void_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Void . * \returns The \c MonoClass* for the \c System.Void type. */ MonoClass* mono_get_void_class (void) { return mono_defaults.void_class; } /** * mono_get_boolean_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Boolean . * \returns The \c MonoClass* for the \c System.Boolean type. */ MonoClass* mono_get_boolean_class (void) { return mono_defaults.boolean_class; } /** * mono_get_sbyte_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.SByte. * \returns The \c MonoClass* for the \c System.SByte type. */ MonoClass* mono_get_sbyte_class (void) { return mono_defaults.sbyte_class; } /** * mono_get_int16_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Int16 . * \returns The \c MonoClass* for the \c System.Int16 type. */ MonoClass* mono_get_int16_class (void) { return mono_defaults.int16_class; } /** * mono_get_uint16_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.UInt16 . * \returns The \c MonoClass* for the \c System.UInt16 type. */ MonoClass* mono_get_uint16_class (void) { return mono_defaults.uint16_class; } /** * mono_get_int32_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Int32 . * \returns The \c MonoClass* for the \c System.Int32 type. */ MonoClass* mono_get_int32_class (void) { return mono_defaults.int32_class; } /** * mono_get_uint32_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.UInt32 . * \returns The \c MonoClass* for the \c System.UInt32 type. */ MonoClass* mono_get_uint32_class (void) { return mono_defaults.uint32_class; } /** * mono_get_intptr_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.IntPtr . * \returns The \c MonoClass* for the \c System.IntPtr type. */ MonoClass* mono_get_intptr_class (void) { return mono_defaults.int_class; } /** * mono_get_uintptr_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.UIntPtr . * \returns The \c MonoClass* for the \c System.UIntPtr type. */ MonoClass* mono_get_uintptr_class (void) { return mono_defaults.uint_class; } /** * mono_get_int64_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Int64 . * \returns The \c MonoClass* for the \c System.Int64 type. */ MonoClass* mono_get_int64_class (void) { return mono_defaults.int64_class; } /** * mono_get_uint64_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.UInt64 . * \returns The \c MonoClass* for the \c System.UInt64 type. */ MonoClass* mono_get_uint64_class (void) { return mono_defaults.uint64_class; } /** * mono_get_single_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Single (32-bit floating points). * \returns The \c MonoClass* for the \c System.Single type. */ MonoClass* mono_get_single_class (void) { return mono_defaults.single_class; } /** * mono_get_double_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Double (64-bit floating points). * \returns The \c MonoClass* for the \c System.Double type. */ MonoClass* mono_get_double_class (void) { return mono_defaults.double_class; } /** * mono_get_char_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Char . * \returns The \c MonoClass* for the \c System.Char type. */ MonoClass* mono_get_char_class (void) { return mono_defaults.char_class; } /** * mono_get_string_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.String . * \returns The \c MonoClass* for the \c System.String type. */ MonoClass* mono_get_string_class (void) { return mono_defaults.string_class; } /** * mono_get_enum_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Enum . * \returns The \c MonoClass* for the \c System.Enum type. */ MonoClass* mono_get_enum_class (void) { return mono_defaults.enum_class; } /** * mono_get_array_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Array . * \returns The \c MonoClass* for the \c System.Array type. */ MonoClass* mono_get_array_class (void) { return mono_defaults.array_class; } /** * mono_get_thread_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Threading.Thread . * \returns The \c MonoClass* for the \c System.Threading.Thread type. */ MonoClass* mono_get_thread_class (void) { return mono_defaults.thread_class; } /** * mono_get_exception_class: * Use this function to get the \c MonoClass* that the runtime is using for \c System.Exception . * \returns The \c MonoClass* for the \c type. */ MonoClass* mono_get_exception_class (void) { return mono_defaults.exception_class; } static char* get_attribute_value (const gchar **attribute_names, const gchar **attribute_values, const char *att_name) { int n; for (n=0; attribute_names[n] != NULL; n++) { if (strcmp (attribute_names[n], att_name) == 0) return g_strdup (attribute_values[n]); } return NULL; } static void start_element (GMarkupParseContext *context, const gchar *element_name, const gchar **attribute_names, const gchar **attribute_values, gpointer user_data, GError **error) { AppConfigInfo* app_config = (AppConfigInfo*) user_data; if (strcmp (element_name, "configuration") == 0) { app_config->configuration_count++; return; } if (strcmp (element_name, "startup") == 0) { app_config->startup_count++; return; } if (app_config->configuration_count != 1 || app_config->startup_count != 1) return; if (strcmp (element_name, "requiredRuntime") == 0) { app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version"); } else if (strcmp (element_name, "supportedRuntime") == 0) { char *version = get_attribute_value (attribute_names, attribute_values, "version"); app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version); } } static void end_element (GMarkupParseContext *context, const gchar *element_name, gpointer user_data, GError **error) { AppConfigInfo* app_config = (AppConfigInfo*) user_data; if (strcmp (element_name, "configuration") == 0) { app_config->configuration_count--; } else if (strcmp (element_name, "startup") == 0) { app_config->startup_count--; } } static const GMarkupParser mono_parser = { start_element, end_element, NULL, NULL, NULL }; static AppConfigInfo * app_config_parse (const char *exe_filename) { AppConfigInfo *app_config; GMarkupParseContext *context; char *text; gsize len; const char *bundled_config; char *config_filename; bundled_config = mono_config_string_for_assembly_file (exe_filename); if (bundled_config) { text = g_strdup (bundled_config); len = strlen (text); } else { config_filename = g_strconcat (exe_filename, ".config", NULL); if (!g_file_get_contents (config_filename, &text, &len, NULL)) { g_free (config_filename); return NULL; } g_free (config_filename); } app_config = g_new0 (AppConfigInfo, 1); context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL); if (g_markup_parse_context_parse (context, text, len, NULL)) { g_markup_parse_context_end_parse (context, NULL); } g_markup_parse_context_free (context); g_free (text); return app_config; } static void app_config_free (AppConfigInfo* app_config) { char *rt; GSList *list = app_config->supported_runtimes; while (list != NULL) { rt = (char*)list->data; g_free (rt); list = g_slist_next (list); } g_slist_free (app_config->supported_runtimes); g_free (app_config->required_runtime); g_free (app_config); } static const MonoRuntimeInfo* get_runtime_by_version (const char *version) { int n; int max = G_N_ELEMENTS (supported_runtimes); int vlen; if (!version) return NULL; for (n=0; n= 4 && version [1] - '0' >= 4) { for (n=0; nsupported_runtimes != NULL) { int n = 0; GSList *list = app_config->supported_runtimes; while (list != NULL) { version = (char*) list->data; runtime = get_runtime_by_version (version); if (runtime != NULL) runtimes [n++] = runtime; list = g_slist_next (list); } runtimes [n] = NULL; app_config_free (app_config); return; } /* Check the requiredRuntime element. This is for 1.0 apps only. */ if (app_config->required_runtime != NULL) { runtimes [0] = get_runtime_by_version (app_config->required_runtime); runtimes [1] = NULL; app_config_free (app_config); return; } app_config_free (app_config); } /* Look for a runtime with the exact version */ image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE); if (image == NULL) image = mono_image_open (exe_file, NULL); if (image == NULL) { /* The image is wrong or the file was not found. In this case return * a default runtime and leave to the initialization method the work of * reporting the error. */ runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION); runtimes [1] = NULL; return; } *exe_image = image; runtimes [0] = get_runtime_by_version (image->version); runtimes [1] = NULL; } /** * mono_get_runtime_info: * * Returns: the version of the current runtime instance. */ const MonoRuntimeInfo* mono_get_runtime_info (void) { return current_runtime; } /** * mono_framework_version: * * Return the major version of the framework curently executing. */ int mono_framework_version (void) { return current_runtime->framework_version [0] - '0'; } void mono_enable_debug_domain_unload (gboolean enable) { debug_domain_unload = enable; } MonoAotCacheConfig * mono_get_aot_cache_config (void) { return &aot_cache_config; } void mono_domain_lock (MonoDomain *domain) { mono_locks_coop_acquire (&domain->lock, DomainLock); } void mono_domain_unlock (MonoDomain *domain) { mono_locks_coop_release (&domain->lock, DomainLock); } GPtrArray* mono_domain_get_assemblies (MonoDomain *domain, gboolean refonly) { GSList *tmp; GPtrArray *assemblies; MonoAssembly *ass; assemblies = g_ptr_array_new (); mono_domain_assemblies_lock (domain); for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) { ass = (MonoAssembly *)tmp->data; if (refonly != ass->ref_only) continue; if (ass->corlib_internal) continue; g_ptr_array_add (assemblies, ass); } mono_domain_assemblies_unlock (domain); return assemblies; }