#include <stdlib.h>
#include "assembly.h"
#include "image.h"
-#include "cil-coff.h"
#include "rawbuffer.h"
+#include "object-internals.h"
#include <mono/metadata/loader.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/metadata-internals.h>
+#include <mono/metadata/profiler-private.h>
#include <mono/metadata/class-internals.h>
#include <mono/metadata/domain-internals.h>
#include <mono/metadata/mono-endian.h>
+#include <mono/metadata/mono-debug.h>
#include <mono/io-layer/io-layer.h>
#include <mono/utils/mono-uri.h>
#include <mono/metadata/mono-config.h>
#define mono_assemblies_unlock() LeaveCriticalSection (&assemblies_mutex)
static CRITICAL_SECTION assemblies_mutex;
-/* A hastable of thread->assembly list mappings */
-static GHashTable *assemblies_loading;
-
-/* A hashtable of reflection only load thread->assemblies mappings */
-static GHashTable *assemblies_refonly_loading;
-
/* If defined, points to the bundled assembly information */
const MonoBundledAssembly **bundles;
return res;
}
+/**
+ * mono_public_tokens_are_equal:
+ * @pubt1: first public key token
+ * @pubt2: second public key token
+ *
+ * Compare two public key tokens and return #TRUE is they are equal and #FALSE
+ * otherwise.
+ */
+gboolean
+mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2)
+{
+ return g_strcasecmp ((char*)pubt1, (char*)pubt2) == 0;
+}
+
static void
check_path_env (void)
{
if (info->culture && strcmp (info->culture, aname->culture))
return FALSE;
- if (strcmp ((const char *)info->public_key_token, (const char *)aname->public_key_token))
+ if (!mono_public_tokens_are_equal (info->public_key_token, aname->public_key_token))
return FALSE;
return TRUE;
if (!l->public_key_token [0] || !r->public_key_token [0])
return TRUE;
- if (strcmp ((char*)l->public_key_token, (char*)r->public_key_token))
+ if (!mono_public_tokens_are_equal (l->public_key_token, r->public_key_token))
return FALSE;
return TRUE;
static MonoAssembly*
search_loaded (MonoAssemblyName* aname, gboolean refonly)
{
- GList *tmp;
MonoAssembly *ass;
- GList *loading;
ass = mono_assembly_invoke_search_hook_internal (aname, refonly, FALSE);
if (ass)
return ass;
-
- /*
- * The assembly might be under load by this thread. In this case, it is
- * safe to return an incomplete instance to prevent loops.
- */
- loading = g_hash_table_lookup (refonly ? assemblies_refonly_loading : assemblies_loading, (gpointer)GetCurrentThreadId ());
- for (tmp = loading; tmp; tmp = tmp->next) {
- ass = tmp->data;
- if (!mono_assembly_names_equal (aname, &ass->aname))
- continue;
-
- return ass;
- }
return NULL;
}
check_extra_gac_path_env ();
InitializeCriticalSection (&assemblies_mutex);
-
- assemblies_loading = g_hash_table_new (NULL, NULL);
- assemblies_refonly_loading = g_hash_table_new (NULL, NULL);
}
gboolean
mono_stringify_assembly_name (MonoAssemblyName *aname)
{
return g_strdup_printf (
- "%s, Version=%d.%d.%d.%d, Culture=%s%s%s",
+ "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
aname->name,
aname->major, aname->minor, aname->build, aname->revision,
aname->culture && *aname->culture? aname->culture: "neutral",
- aname->public_key_token [0] ? ", PublicKeyToken=" : "",
- aname->public_key_token [0] ? (char *)aname->public_key_token : "");
+ aname->public_key_token [0] ? (char *)aname->public_key_token : "null",
+ (aname->flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
}
static gchar*
* it inside a critical section.
*/
mono_assemblies_lock ();
- if (!image->references)
- mono_assembly_load_references (image, &status);
+ if (!image->references) {
+ MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
+
+ image->references = g_new0 (MonoAssembly *, t->rows + 1);
+ }
reference = image->references [index];
mono_assemblies_unlock ();
if (reference)
/* We use the loaded corlib */
if (!strcmp (aname.name, "mscorlib"))
reference = mono_assembly_load_full (&aname, image->assembly->basedir, &status, FALSE);
- else
+ else {
reference = mono_assembly_loaded_full (&aname, TRUE);
+ if (!reference)
+ /* Try a postload search hook */
+ reference = mono_assembly_invoke_search_hook_internal (&aname, TRUE, TRUE);
+ }
+
/*
* Here we must advice that the error was due to
* a non loaded reference using the ReflectionOnly api
void
mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
{
- MonoTableInfo *t;
-
+ /* This is a no-op now but it is part of the embedding API so we can't remove it */
*status = MONO_IMAGE_OK;
-
- t = &image->tables [MONO_TABLE_ASSEMBLYREF];
-
- image->references = g_new0 (MonoAssembly *, t->rows + 1);
}
typedef struct AssemblyLoadHook AssemblyLoadHook;
slen = mono_metadata_decode_value (data + 2, &data);
aname = g_new0 (MonoAssemblyName, 1);
/*g_print ("friend ass: %s\n", data);*/
- if (mono_assembly_name_parse_full (data, aname, TRUE, NULL)) {
+ if (mono_assembly_name_parse_full (data, aname, TRUE, NULL, NULL)) {
ass->friend_assembly_names = g_slist_prepend (ass->friend_assembly_names, aname);
} else {
g_free (aname);
{
MonoAssembly *ass, *ass2;
char *base_dir;
- GList *loading;
- GHashTable *ass_loading;
if (!image->tables [MONO_TABLE_ASSEMBLY].rows) {
/* 'image' doesn't have a manifest -- maybe someone is trying to Assembly.Load a .netmodule */
return NULL;
}
-
#if defined (PLATFORM_WIN32)
{
gchar *tmp_fn;
base_dir = absolute_dir (fname);
#endif
- /*
- * To avoid deadlocks and scalability problems, we load assemblies outside
- * the assembly lock. This means that multiple threads might try to load
- * the same assembly at the same time. The first one to load it completely
- * "wins", the other threads free their copy and use the one loaded by
- * the winning thread.
- */
-
/*
* Create assembly struct, and enter it into the assembly cache
*/
ass->ref_only = refonly;
ass->image = image;
- /* Add a non-temporary reference because of ass->image */
- mono_image_addref (image);
+ mono_profiler_assembly_event (ass, MONO_PROFILE_START_LOAD);
mono_assembly_fill_assembly_name (image, &ass->aname);
+ if (mono_defaults.corlib && strcmp (ass->aname.name, "mscorlib") == 0) {
+ // MS.NET doesn't support loading other mscorlibs
+ g_free (ass);
+ g_free (base_dir);
+ mono_image_addref (mono_defaults.corlib);
+ *status = MONO_IMAGE_OK;
+ return mono_defaults.corlib->assembly;
+ }
+
+ /* Add a non-temporary reference because of ass->image */
+ mono_image_addref (image);
+
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Image addref %s %p -> %s %p: %d\n", ass->aname.name, ass, image->name, image, image->ref_count);
/*
return ass2;
}
}
- ass_loading = refonly ? assemblies_refonly_loading : assemblies_loading;
- loading = g_hash_table_lookup (ass_loading, (gpointer)GetCurrentThreadId ());
- loading = g_list_prepend (loading, ass);
- g_hash_table_insert (ass_loading, (gpointer)GetCurrentThreadId (), loading);
- mono_assemblies_unlock ();
g_assert (image->assembly == NULL);
image->assembly = ass;
- mono_assembly_load_references (image, status);
-
- mono_assemblies_lock ();
-
- loading = g_hash_table_lookup (ass_loading, (gpointer)GetCurrentThreadId ());
- loading = g_list_remove (loading, ass);
- if (loading == NULL)
- /* Prevent memory leaks */
- g_hash_table_remove (ass_loading, (gpointer)GetCurrentThreadId ());
- else
- g_hash_table_insert (ass_loading, (gpointer)GetCurrentThreadId (), loading);
- if (*status != MONO_IMAGE_OK) {
- mono_assemblies_unlock ();
- mono_assembly_close (ass);
- return NULL;
- }
-
- if (ass->aname.name) {
- ass2 = search_loaded (&ass->aname, refonly);
- if (ass2) {
- /* Somebody else has loaded the assembly before us */
- mono_assemblies_unlock ();
- mono_assembly_close (ass);
- return ass2;
- }
- }
-
loaded_assemblies = g_list_prepend (loaded_assemblies, ass);
if (mono_defaults.internals_visible_class)
mono_assembly_load_friends (ass);
mono_assembly_invoke_load_hook (ass);
+ mono_profiler_assembly_loaded (ass, MONO_PROFILE_OK);
+
return ass;
}
}
static gboolean
-build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, MonoAssemblyName *aname, gboolean save_public_key)
+build_assembly_name (const char *name, const char *version, const char *culture, const char *token, const char *key, guint32 flags, MonoAssemblyName *aname, gboolean save_public_key)
{
gint major, minor, build, revision;
gint len;
aname->revision = 0;
}
+ aname->flags = flags;
aname->name = g_strdup (name);
if (culture) {
}
if (token && strncmp (token, "null", 4) != 0) {
- char *lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ char *lower;
+
+ /* the constant includes the ending NULL, hence the -1 */
+ if (strlen (token) != (MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)) {
+ return FALSE;
+ }
+ lower = g_ascii_strdown (token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
g_strlcpy ((char*)aname->public_key_token, lower, MONO_PUBLIC_KEY_TOKEN_LENGTH);
g_free (lower);
}
- if (key && strncmp (key, "null", 4) != 0) {
- if (!parse_public_key (key, &pkey)) {
+ if (key) {
+ if (strcmp (key, "null") == 0 || !parse_public_key (key, &pkey)) {
mono_assembly_name_free (aname);
return FALSE;
}
else
g_free (pkey);
}
-
+
return TRUE;
}
return FALSE;
}
- res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, aname, FALSE);
+ res = build_assembly_name (name, parts[0], parts[1], parts[2], NULL, 0, aname, FALSE);
g_strfreev (parts);
return res;
}
gboolean
-mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined)
+mono_assembly_name_parse_full (const char *name, MonoAssemblyName *aname, gboolean save_public_key, gboolean *is_version_defined, gboolean *is_token_defined)
{
gchar *dllname;
gchar *version = NULL;
gchar *culture = NULL;
gchar *token = NULL;
gchar *key = NULL;
+ gchar *retargetable = NULL;
gboolean res;
gchar *value;
gchar **parts;
gchar **tmp;
gboolean version_defined;
+ gboolean token_defined;
+ guint32 flags = 0;
if (!is_version_defined)
is_version_defined = &version_defined;
*is_version_defined = FALSE;
+ if (!is_token_defined)
+ is_token_defined = &token_defined;
+ *is_token_defined = FALSE;
- parts = tmp = g_strsplit (name, ",", 4);
+ parts = tmp = g_strsplit (name, ",", 6);
if (!tmp || !*tmp) {
g_strfreev (tmp);
return FALSE;
if (!g_ascii_strncasecmp (value, "Version=", 8)) {
*is_version_defined = TRUE;
version = g_strstrip (value + 8);
+ if (strlen (version) == 0) {
+ return FALSE;
+ }
tmp++;
continue;
}
if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
culture = g_strstrip (value + 8);
+ if (strlen (culture) == 0) {
+ return FALSE;
+ }
tmp++;
continue;
}
if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
+ *is_token_defined = TRUE;
token = g_strstrip (value + 15);
+ if (strlen (token) == 0) {
+ return FALSE;
+ }
tmp++;
continue;
}
if (!g_ascii_strncasecmp (value, "PublicKey=", 10)) {
key = g_strstrip (value + 10);
+ if (strlen (key) == 0) {
+ return FALSE;
+ }
+ tmp++;
+ continue;
+ }
+
+ if (!g_ascii_strncasecmp (value, "Retargetable=", 13)) {
+ retargetable = g_strstrip (value + 13);
+ if (strlen (retargetable) == 0) {
+ return FALSE;
+ }
+ if (!g_ascii_strcasecmp (retargetable, "yes")) {
+ flags |= ASSEMBLYREF_RETARGETABLE_FLAG;
+ } else if (g_ascii_strcasecmp (retargetable, "no")) {
+ return FALSE;
+ }
tmp++;
continue;
}
return FALSE;
}
- res = build_assembly_name (dllname, version, culture, token, key, aname, save_public_key);
+ /* if retargetable flag is set, then we must have a fully qualified name */
+ if (retargetable != NULL && (version == NULL || culture == NULL || (key == NULL && token == NULL))) {
+ return FALSE;
+ }
+
+ res = build_assembly_name (dllname, version, culture, token, key, flags,
+ aname, save_public_key);
g_strfreev (parts);
return res;
}
gboolean
mono_assembly_name_parse (const char *name, MonoAssemblyName *aname)
{
- return mono_assembly_name_parse_full (name, aname, FALSE, NULL);
+ return mono_assembly_name_parse_full (name, aname, FALSE, NULL, NULL);
}
static MonoAssembly*
match = FALSE;
if (match && strlen ((char*)aname->public_key_token) > 0 &&
- strcmp ((char*)aname->public_key_token, (char*)gac_aname.public_key_token) != 0)
+ !mono_public_tokens_are_equal (aname->public_key_token, gac_aname.public_key_token))
match = FALSE;
if (match) {
if (res)
res->in_gac = TRUE;
-
+ else {
+ MonoDomain *domain = mono_domain_get ();
+ MonoReflectionAssembly *refasm = mono_try_assembly_resolve (domain, mono_string_new (domain, name), FALSE);
+ if (refasm)
+ res = refasm->assembly;
+ }
+
g_free (fullname);
mono_assembly_name_free (aname);
gchar *name, *version, *culture, *fullpath, *subpath;
gint32 len;
gchar **paths;
+ char *pubtok;
if (aname->public_key_token [0] == 0) {
return NULL;
culture = g_strdup ("");
}
+ pubtok = g_ascii_strdown ((char*)aname->public_key_token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
aname->minor, aname->build, aname->revision,
- culture, aname->public_key_token);
+ culture, pubtok);
+ g_free (pubtok);
subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
g_free (name);
return corlib;
}
-/**
- * mono_assembly_load_full:
- * @aname: A MonoAssemblyName with the assembly name to load.
- * @basedir: A directory to look up the assembly at.
- * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
- * @refonly: Whether this assembly is being opened in "reflection-only" mode.
- *
- * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
- * attempts to load the assembly from that directory before probing the standard locations.
- *
- * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
- * assembly binding takes place.
- *
- * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
- * value pointed by status is updated with an error code.
- */
MonoAssembly*
-mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
+mono_assembly_load_full_nosearch (MonoAssemblyName *aname,
+ const char *basedir,
+ MonoImageOpenStatus *status,
+ gboolean refonly)
{
MonoAssembly *result;
char *fullpath, *filename;
return result;
}
- /* Try a postload search hook */
- result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
+ return result;
+}
+/**
+ * mono_assembly_load_full:
+ * @aname: A MonoAssemblyName with the assembly name to load.
+ * @basedir: A directory to look up the assembly at.
+ * @status: a pointer to a MonoImageOpenStatus to return the status of the load operation
+ * @refonly: Whether this assembly is being opened in "reflection-only" mode.
+ *
+ * Loads the assembly referenced by @aname, if the value of @basedir is not NULL, it
+ * attempts to load the assembly from that directory before probing the standard locations.
+ *
+ * If the assembly is being opened in reflection-only mode (@refonly set to TRUE) then no
+ * assembly binding takes place.
+ *
+ * Returns: the assembly referenced by @aname loaded or NULL on error. On error the
+ * value pointed by status is updated with an error code.
+ */
+MonoAssembly*
+mono_assembly_load_full (MonoAssemblyName *aname, const char *basedir, MonoImageOpenStatus *status, gboolean refonly)
+{
+ MonoAssembly *result = mono_assembly_load_full_nosearch (aname, basedir, status, refonly);
+
+ if (!result)
+ /* Try a postload search hook */
+ result = mono_assembly_invoke_search_hook_internal (aname, refonly, TRUE);
return result;
}
if (InterlockedDecrement (&assembly->ref_count) > 0)
return;
+ mono_profiler_assembly_event (assembly, MONO_PROFILE_START_UNLOAD);
+
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading assembly %s [%p].", assembly->aname.name, assembly);
+ mono_debug_close_image (assembly->image);
+
mono_assemblies_lock ();
loaded_assemblies = g_list_remove (loaded_assemblies, assembly);
mono_assemblies_unlock ();
- if (assembly->image->references) {
- int i;
-
- for (i = 0; assembly->image->references [i]; i++) {
- if (assembly->image->references [i])
- mono_assembly_close (assembly->image->references [i]);
- }
-
- g_free (assembly->image->references);
- assembly->image->references = NULL;
- }
-
assembly->image->assembly = NULL;
mono_image_close (assembly->image);
} else {
g_free (assembly);
}
+
+ mono_profiler_assembly_event (assembly, MONO_PROFILE_END_UNLOAD);
}
MonoImage*
mono_assembly_load_module (MonoAssembly *assembly, guint32 idx)
{
- MonoImageOpenStatus status;
- MonoImage *module;
-
- module = mono_image_load_file_for_image (assembly->image, idx);
- if (module)
- mono_assembly_load_references (module, &status);
-
- return module;
+ return mono_image_load_file_for_image (assembly->image, idx);
}
void
DeleteCriticalSection (&assemblies_mutex);
- g_hash_table_destroy (assemblies_loading);
- g_hash_table_destroy (assemblies_refonly_loading);
-
for (l = loaded_assembly_bindings; l; l = l->next) {
MonoAssemblyBindingInfo *info = l->data;
projects / mono.git / blobdiff