*
* (C) 2001 Ximian, Inc. http://www.ximian.com
*
- * TODO:
- * Implement big-endian versions of the reading routines.
*/
#include <config.h>
#include <stdio.h>
#include "image.h"
#include "cil-coff.h"
#include "rawbuffer.h"
-#ifdef WITH_BUNDLE
-#include "mono-bundle.h"
-#endif
#include <mono/metadata/loader.h>
#include <mono/metadata/tabledefs.h>
+#include <mono/metadata/metadata-internals.h>
+#include <mono/metadata/domain-internals.h>
#include <mono/io-layer/io-layer.h>
#include <mono/utils/mono-uri.h>
#include <mono/metadata/mono-config.h>
#include <mono/utils/mono-digest.h>
+#include <mono/utils/mono-logger.h>
#ifdef PLATFORM_WIN32
#include <mono/os/util.h>
#endif
NULL
};
+/* Contains the list of directories to be searched for assemblies (MONO_PATH) */
static char **assemblies_path = NULL;
+/* Contains the list of directories that point to auxiliary GACs */
+static char **extra_gac_paths = NULL;
+
/*
* keeps track of loaded assemblies
*/
/* A hastable of thread->assembly list mappings */
static GHashTable *assemblies_loading;
-static char **extra_gac_paths = NULL;
+/* If defined, points to the bundled assembly information */
+const MonoBundledAssembly **bundles;
static gchar*
encode_public_tok (const guchar *token, gint32 len)
}
static void
-check_path_env (void) {
+check_path_env (void)
+{
const char *path;
char **splitted;
}
}
-static gboolean
+gboolean
mono_assembly_names_equal (MonoAssemblyName *l, MonoAssemblyName *r)
{
if (!l->name || !r->name)
if (strcmp (l->name, r->name))
return FALSE;
- /*
- * simply compare names until some other issues are resolved
- * (version info not getting set correctly for custom
- * attributes).
- */
- /*
+ if (l->culture && r->culture && strcmp (l->culture, r->culture))
+ return FALSE;
+
if (l->major != r->major || l->minor != r->minor ||
l->build != r->build || l->revision != r->revision)
- return FALSE;
+ if (! ((l->major == 0 && l->minor == 0 && l->build == 0 && l->revision == 0) || (r->major == 0 && r->minor == 0 && r->build == 0 && r->revision == 0)))
+ return FALSE;
- if (!l->public_tok_value && !r->public_tok_value)
+ if (!l->public_key_token [0] || !r->public_key_token [0])
return TRUE;
- if ((l->public_tok_value && !r->public_tok_value) || (!l->public_tok_value && r->public_tok_value))
+ if (strcmp (l->public_key_token, r->public_key_token))
return FALSE;
- if (strcmp (l->public_tok_value, r->public_tok_value))
- return FALSE;
- */
return TRUE;
}
-/* assemblies_mutex must be held by the caller */
static MonoAssembly*
search_loaded (MonoAssemblyName* aname)
{
GList *tmp;
MonoAssembly *ass;
GList *loading;
-
- for (tmp = loaded_assemblies; tmp; tmp = tmp->next) {
- ass = tmp->data;
- /* g_print ("compare %s %s\n", aname->name, ass->aname.name); */
- if (!mono_assembly_names_equal (aname, &ass->aname))
- continue;
- /* g_print ("success\n"); */
+ ass = mono_assembly_invoke_search_hook (aname);
+ 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.
aname->build = cols [MONO_ASSEMBLY_BUILD_NUMBER];
aname->revision = cols [MONO_ASSEMBLY_REV_NUMBER];
aname->hash_alg = cols [MONO_ASSEMBLY_HASH_ALG];
- if (cols [MONO_ASSEMBLY_PUBLIC_KEY])
+ if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
+ gchar* token = g_malloc (8);
+ gchar* encoded;
+ int len;
+
aname->public_key = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
+ len = mono_metadata_decode_blob_size (aname->public_key, (const char**)&aname->public_key);
+
+ mono_digest_get_public_token (token, aname->public_key, len);
+ encoded = encode_public_tok (token, 8);
+ g_strlcpy (aname->public_key_token, encoded, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+
+ g_free (encoded);
+ g_free (token);
+ }
+ else {
+ aname->public_key = NULL;
+ memset (aname->public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ }
+
+ if (cols [MONO_ASSEMBLY_PUBLIC_KEY]) {
+ aname->public_key = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLY_PUBLIC_KEY]);
+ }
else
aname->public_key = 0;
}
void
-mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
+mono_assembly_load_reference (MonoImage *image, int index)
{
MonoTableInfo *t;
guint32 cols [MONO_ASSEMBLYREF_SIZE];
const char *hash;
- int i;
- MonoAssembly **references = NULL;
+ MonoAssembly *reference;
+ MonoAssemblyName aname;
+ MonoImageOpenStatus status;
- *status = MONO_IMAGE_OK;
-
/*
* image->references is shared between threads, so we need to access
* it inside a critical section.
*/
EnterCriticalSection (&assemblies_mutex);
- references = image->references;
+ reference = image->references [index];
LeaveCriticalSection (&assemblies_mutex);
- if (references)
+ if (reference)
return;
t = &image->tables [MONO_TABLE_ASSEMBLYREF];
- references = g_new0 (MonoAssembly *, t->rows + 1);
+ mono_metadata_decode_row (t, index, cols, MONO_ASSEMBLYREF_SIZE);
+
+ hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
+ aname.hash_len = mono_metadata_decode_blob_size (hash, &hash);
+ aname.hash_value = hash;
+ aname.name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
+ aname.culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
+ aname.flags = cols [MONO_ASSEMBLYREF_FLAGS];
+ aname.major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
+ aname.minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
+ aname.build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
+ aname.revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
+
+ if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
+ gchar *token = assemblyref_public_tok (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname.flags);
+ g_strlcpy (aname.public_key_token, token, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ g_free (token);
+ } else {
+ memset (aname.public_key_token, 0, MONO_PUBLIC_KEY_TOKEN_LENGTH);
+ }
- /*
- * Load any assemblies this image references
- */
- for (i = 0; i < t->rows; i++) {
- MonoAssemblyName aname;
+ reference = mono_assembly_load (&aname, image->assembly->basedir, &status);
- mono_metadata_decode_row (t, i, cols, MONO_ASSEMBLYREF_SIZE);
-
- hash = mono_metadata_blob_heap (image, cols [MONO_ASSEMBLYREF_HASH_VALUE]);
- aname.hash_len = mono_metadata_decode_blob_size (hash, &hash);
- aname.hash_value = hash;
- aname.name = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_NAME]);
- aname.culture = mono_metadata_string_heap (image, cols [MONO_ASSEMBLYREF_CULTURE]);
- aname.flags = cols [MONO_ASSEMBLYREF_FLAGS];
- aname.major = cols [MONO_ASSEMBLYREF_MAJOR_VERSION];
- aname.minor = cols [MONO_ASSEMBLYREF_MINOR_VERSION];
- aname.build = cols [MONO_ASSEMBLYREF_BUILD_NUMBER];
- aname.revision = cols [MONO_ASSEMBLYREF_REV_NUMBER];
-
- if (cols [MONO_ASSEMBLYREF_PUBLIC_KEY]) {
- aname.public_tok_value = assemblyref_public_tok (image,
- cols [MONO_ASSEMBLYREF_PUBLIC_KEY], aname.flags);
- } else {
- aname.public_tok_value = NULL;
- }
-
- references [i] = mono_assembly_load (&aname, image->assembly->basedir, status);
-
- if (references [i] == NULL){
- int j;
-
- /*
- ** Temporary work around: any System.* which are 3300 build, will get
- ** remapped, this is to keep old applications running that might have
- ** been linked against our 5000 API, before we were strongnamed, and
- ** hence were labeled as 3300 builds by reflection.c
- */
- if (aname.build == 3300 && strncmp (aname.name, "System", 6) == 0){
- aname.build = 5000;
+ if (reference == NULL){
+ /*
+ ** Temporary work around: any System.* which are 3300 build, will get
+ ** remapped, this is to keep old applications running that might have
+ ** been linked against our 5000 API, before we were strongnamed, and
+ ** hence were labeled as 3300 builds by reflection.c
+ */
+ if (aname.build == 3300 && strncmp (aname.name, "System", 6) == 0){
+ aname.build = 5000;
- references [i] = mono_assembly_load (&aname, image->assembly->basedir, status);
+ reference = mono_assembly_load (&aname, image->assembly->basedir, &status);
+ }
+ if (reference != NULL){
+ if (g_getenv ("MONO_SILENT_WARNING") == NULL)
+ g_printerr ("Compat mode: the request from %s to load %s was remapped (http://www.go-mono.com/remap.html)\n",
+ image->name, aname.name);
+
+ } else {
+ char *extra_msg = g_strdup ("");
+
+ if (status == MONO_IMAGE_ERROR_ERRNO) {
+ extra_msg = g_strdup_printf ("System error: %s\n", strerror (errno));
+ } else if (status == MONO_IMAGE_MISSING_ASSEMBLYREF) {
+ extra_msg = g_strdup ("Cannot find an assembly referenced from this one.\n");
+ } else if (status == MONO_IMAGE_IMAGE_INVALID) {
+ extra_msg = g_strdup ("The file exists but is not a valid assembly.\n");
}
- if (references [i] != NULL){
- if (g_getenv ("MONO_SILENT_WARNING") == NULL)
- g_printerr ("Compat mode: the request from %s to load %s was remapped (http://www.go-mono.com/remap.html)\n",
- image->name, aname.name);
-
- } else {
- for (j = 0; j < i; j++)
- mono_assembly_close (references [j]);
- g_free (references);
-
- g_warning ("Could not find assembly %s, references from %s (assemblyref_index=%d)\n"
+ g_warning ("Could not find assembly %s, references from %s (assemblyref_index=%d)\n"
" Major/Minor: %d,%d\n"
" Build: %d,%d\n"
- " Token: %s\n",
- aname.name, image->name, i,
+ " Token: %s\n%s",
+ aname.name, image->name, index,
aname.major, aname.minor, aname.build, aname.revision,
- aname.public_tok_value);
- g_free (aname.public_tok_value);
- *status = MONO_IMAGE_MISSING_ASSEMBLYREF;
- return;
- }
+ aname.public_key_token, extra_msg);
+ g_free (extra_msg);
}
- g_free (aname.public_tok_value);
+ }
- /*
- * This check is disabled since lots of people seem to have an older
- * corlib which triggers this.
- */
- /*
- if (image->references [i]->image == image)
- g_error ("Error: Assembly %s references itself", image->name);
- */
+ if (reference == NULL)
+ /* Flag as not found */
+ reference = (gpointer)-1;
+
+ EnterCriticalSection (&assemblies_mutex);
+ if (!image->references [index])
+ image->references [index] = reference;
+ LeaveCriticalSection (&assemblies_mutex);
+
+ if (image->references [index] != reference) {
+ /* Somebody loaded it before us */
+ mono_assembly_close (reference);
}
- references [i] = NULL;
+}
+
+void
+mono_assembly_load_references (MonoImage *image, MonoImageOpenStatus *status)
+{
+ MonoTableInfo *t;
+ int i;
+
+ *status = MONO_IMAGE_OK;
+
+ t = &image->tables [MONO_TABLE_ASSEMBLYREF];
+
+ image->references = g_new0 (MonoAssembly *, t->rows + 1);
/* resolve assembly references for modules */
- t = &image->tables [MONO_TABLE_MODULEREF];
- for (i = 0; i < t->rows; i++){
+ for (i = 0; i < image->module_count; i++){
if (image->modules [i]) {
image->modules [i]->assembly = image->assembly;
mono_assembly_load_references (image->modules [i], status);
}
}
-
- EnterCriticalSection (&assemblies_mutex);
- if (!image->references)
- image->references = references;
- LeaveCriticalSection (&assemblies_mutex);
-
- if (image->references != references) {
- /* Somebody loaded it before us */
- for (i = 0; i < t->rows; i++)
- mono_assembly_close (references [i]);
- g_free (references);
- }
}
typedef struct AssemblyLoadHook AssemblyLoadHook;
assembly_load_hook = hook;
}
+typedef struct AssemblySearchHook AssemblySearchHook;
+struct AssemblySearchHook {
+ AssemblySearchHook *next;
+ MonoAssemblySearchFunc func;
+ gpointer user_data;
+};
+
+AssemblySearchHook *assembly_search_hook = NULL;
+
+MonoAssembly*
+mono_assembly_invoke_search_hook (MonoAssemblyName *aname)
+{
+ AssemblySearchHook *hook;
+
+ for (hook = assembly_search_hook; hook; hook = hook->next) {
+ MonoAssembly *ass = hook->func (aname, hook->user_data);
+ if (ass)
+ return ass;
+ }
+
+ return NULL;
+}
+
+void
+mono_install_assembly_search_hook (MonoAssemblySearchFunc func, gpointer user_data)
+{
+ AssemblySearchHook *hook;
+
+ g_return_if_fail (func != NULL);
+
+ hook = g_new0 (AssemblySearchHook, 1);
+ hook->func = func;
+ hook->user_data = user_data;
+ hook->next = assembly_search_hook;
+ assembly_search_hook = hook;
+}
+
typedef struct AssemblyPreLoadHook AssemblyPreLoadHook;
struct AssemblyPreLoadHook {
AssemblyPreLoadHook *next;
return res;
}
-static MonoImage*
-do_mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
+/**
+ * mono_assembly_open_from_bundle:
+ * @filename: Filename requested
+ * @status: return value
+ *
+ * This routine tries to open the assembly specified by `filename' from the
+ * defined bundles, if found, returns the MonoImage for it, if not found
+ * returns NULL
+ */
+static MonoImage *
+mono_assembly_open_from_bundle (const char *filename, MonoImageOpenStatus *status)
{
- MonoImage *image = NULL;
-#ifdef WITH_BUNDLE
int i;
char *name = g_path_get_basename (filename);
- char *dot = strrchr (name, '.');
- GList *tmp;
- MonoAssembly *ass;
-
- if (dot)
- *dot = 0;
- /* we do a very simple search for bundled assemblies: it's not a general
+ MonoImage *image = NULL;
+
+ /*
+ * we do a very simple search for bundled assemblies: it's not a general
* purpose assembly loading mechanism.
*/
EnterCriticalSection (&assemblies_mutex);
- for (tmp = loaded_assemblies; tmp; tmp = tmp->next) {
- ass = tmp->data;
- if (!ass->aname.name)
- continue;
- if (strcmp (name, ass->aname.name))
- continue;
- image = ass->image;
- break;
- }
-
- for (i = 0; !image && bundled_assemblies [i]; ++i) {
- if (strcmp (bundled_assemblies [i]->name, name) == 0) {
- image = mono_image_open_from_data ((char*)bundled_assemblies [i]->data, bundled_assemblies [i]->size, FALSE, status);
+ for (i = 0; !image && bundles [i]; ++i) {
+ if (strcmp (bundles [i]->name, name) == 0) {
+ image = mono_image_open_from_data ((char*)bundles [i]->data, bundles [i]->size, FALSE, status);
break;
}
}
mono_image_addref (image);
return image;
}
-#endif
+ return NULL;
+}
+
+static MonoImage*
+do_mono_assembly_open (const char *filename, MonoImageOpenStatus *status)
+{
+ MonoImage *image = NULL;
+
+ if (bundles != NULL){
+ image = mono_assembly_open_from_bundle (filename, status);
+
+ if (image != NULL)
+ return image;
+ }
EnterCriticalSection (&assemblies_mutex);
image = mono_image_open (filename, status);
LeaveCriticalSection (&assemblies_mutex);
-
+
return image;
}
fname = g_strdup (filename);
}
- /* g_print ("file loading %s\n", fname); */
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
+ "Assembly Loader probing location: '%s'.", filename);
image = do_mono_assembly_open (fname, status);
if (!image){
ass = mono_assembly_load_from (image, fname, status);
- mono_config_for_assembly (ass->image);
+ if (ass) {
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY,
+ "Assembly Loader loaded assembly from location: '%s'.", filename);
+ mono_config_for_assembly (ass->image);
+ }
g_free (fname);
image->assembly = ass;
- /*
- * We load referenced assemblies outside the lock to prevent deadlocks
- * with regards to preload hooks.
- */
mono_assembly_load_references (image, status);
EnterCriticalSection (&assemblies_mutex);
memset (&aname, 0, sizeof (MonoAssemblyName));
aname.name = name;
+ res = mono_assembly_loaded (&aname);
+ if (res)
+ return res;
+
res = invoke_assembly_preload_hook (&aname, assemblies_path);
if (res) {
res->in_gac = FALSE;
return res;
}
- res = mono_assembly_loaded (&aname);
- if (res)
- return res;
-
fullname = g_strdup_printf ("%s.dll", name);
if (extra_gac_paths) {
gint32 len;
gchar **paths;
- if (!aname->public_tok_value) {
+ if (aname->public_key_token [0] == 0) {
return NULL;
}
version = g_strdup_printf ("%d.%d.%d.%d_%s_%s", aname->major,
aname->minor, aname->build, aname->revision,
- culture, aname->public_tok_value);
+ culture, aname->public_key_token);
subpath = g_build_path (G_DIR_SEPARATOR_S, name, version, filename, NULL);
g_free (name);
MonoAssembly *result;
char *fullpath, *filename;
+ result = mono_assembly_loaded (aname);
+ if (result)
+ return result;
+
result = invoke_assembly_preload_hook (aname, assemblies_path);
if (result) {
result->in_gac = FALSE;
return result;
}
- result = mono_assembly_loaded (aname);
- if (result)
- return result;
-
/* g_print ("loading %s\n", aname->name); */
/* special case corlib */
if (strcmp (aname->name, "mscorlib") == 0) {
+ char *corlib_file;
if (corlib) {
/* g_print ("corlib already loaded\n"); */
return corlib;
return corlib;
}
corlib = load_in_path ("mscorlib.dll", default_path, status);
+
+ if (corlib)
+ return corlib;
+
+ /* Load corlib from mono/<version> */
+
+ corlib_file = g_build_filename ("mono", mono_get_framework_version (), "mscorlib.dll", NULL);
+ if (assemblies_path) {
+ corlib = load_in_path (corlib_file, (const char**)assemblies_path, status);
+ if (corlib) {
+ g_free (corlib_file);
+ return corlib;
+ }
+ }
+ corlib = load_in_path (corlib_file, default_path, status);
+ g_free (corlib_file);
+
return corlib;
}
image = assembly->image;
if (image->references) {
for (i = 0; image->references [i] != NULL; i++)
- mono_image_close (image->references [i]->image);
+ if (image->references [i] && (image->references [i] != (gpointer)-1))
+ mono_image_close (image->references [i]->image);
g_free (image->references);
}
GList *copy;
/*
- * We make a copy of the list to avoid calling the callback inside the
+ * We make a copy of the list to avoid calling the callback inside the
* lock, which could lead to deadlocks.
*/
EnterCriticalSection (&assemblies_mutex);
g_list_free (copy);
}
-/* Holds the assembly of the application, for
+/*
+ * Holds the assembly of the application, for
* System.Diagnostics.Process::MainModule
*/
static MonoAssembly *main_assembly=NULL;
return(main_assembly);
}
+MonoImage*
+mono_assembly_get_image (MonoAssembly *assembly)
+{
+ return assembly->image;
+}
+void
+mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies)
+{
+ bundles = assemblies;
+}
projects / mono.git / blobdiff