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/**
* \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 <config.h>
#include <glib.h>
#include <string.h>
#include <sys/stat.h>
#include <mono/metadata/gc-internals.h>
#include <mono/utils/atomic.h>
#include <mono/utils/mono-compiler.h>
#include <mono/utils/mono-logger-internals.h>
#include <mono/utils/mono-membar.h>
#include <mono/utils/mono-counters.h>
#include <mono/utils/hazard-pointer.h>
#include <mono/utils/mono-tls.h>
#include <mono/utils/mono-mmap.h>
#include <mono/utils/mono-threads.h>
#include <mono/metadata/object.h>
#include <mono/metadata/object-internals.h>
#include <mono/metadata/domain-internals.h>
#include <mono/metadata/class-internals.h>
#include <mono/metadata/class-init.h>
#include <mono/metadata/debug-internals.h>
#include <mono/metadata/assembly-internals.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/metadata-internals.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/mono-config.h>
#include <mono/metadata/threads-types.h>
#include <mono/metadata/runtime.h>
#include <mono/metadata/w32mutex.h>
#include <mono/metadata/w32semaphore.h>
#include <mono/metadata/w32event.h>
#include <mono/metadata/w32process.h>
#include <mono/metadata/w32file.h>
#include <mono/metadata/threads.h>
#include <mono/metadata/profiler-private.h>
#include <mono/metadata/coree.h>
//#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);
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 (mono_atomic_cas_ptr ((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 = mono_atomic_fetch_add_i32 (&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;
}
//g_malloc on sgen and mono_gc_alloc_fixed on boehm
static void*
gc_alloc_fixed_non_heap_list (size_t size)
{
if (mono_gc_is_moving ())
return g_malloc0 (size);
else
return mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, NULL, "Domain List");
}
static void
gc_free_fixed_non_heap_list (void *ptr)
{
if (mono_gc_is_moving ())
return g_free (ptr);
else
return mono_gc_free_fixed (ptr);
}
/*
* 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 **)gc_alloc_fixed_non_heap_list (appdomain_list_size * sizeof (void*));
}
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 **)gc_alloc_fixed_non_heap_list (new_size * sizeof (void*));
memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
gc_free_fixed_non_heap_list (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, NULL, "Domain Structure");
else
domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, NULL, "Domain Structure");
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, "Domain Environment Variable 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, "Domain String Pool Table");
domain->num_jit_info_table_duplicates = 0;
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);
mono_appdomains_lock ();
domain_id_alloc (domain);
mono_appdomains_unlock ();
#ifndef DISABLE_PERFCOUNTERS
mono_atomic_inc_i32 (&mono_perfcounters->loader_appdomains);
mono_atomic_inc_i32 (&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.generic_ienumerator_class = mono_class_load_from_name (
mono_defaults.corlib, "System.Collections.Generic", "IEnumerator`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);
mono_defaults.console_class = mono_class_try_load_from_name (
mono_defaults.corlib, "System", "Console");
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 **)gc_alloc_fixed_non_heap_list (appdomain_list_size * sizeof (void*));
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);
}
gc_free_fixed_non_heap_list (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_table_duplicates == 0);
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 */
mono_atomic_fetch_add_i32 (&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->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
mono_atomic_dec_i32 (&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
mono_atomic_fetch_add_i32 (&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
mono_atomic_fetch_add_i32 (&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 **gerror)
{
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 **gerror)
{
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<max; n++) {
if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
return &supported_runtimes[n];
}
vlen = strlen (version);
if (vlen >= 4 && version [1] - '0' >= 4) {
for (n=0; n<max; n++) {
if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
return &supported_runtimes[n];
}
}
return NULL;
}
static void
get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
{
AppConfigInfo* app_config;
char *version;
const MonoRuntimeInfo* runtime = NULL;
MonoImage *image = NULL;
app_config = app_config_parse (exe_file);
if (app_config != NULL) {
/* Check supportedRuntime elements, if none is supported, fail.
* If there are no such elements, look for a requiredRuntime element.
*/
if (app_config->supported_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;
}