#include <mono/metadata/class-internals.h>
#include <mono/metadata/assembly.h>
#include <mono/metadata/object-internals.h>
+#include <mono/metadata/security-core-clr.h>
+#include <mono/metadata/verify-internals.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
static gboolean debug_assembly_unload = FALSE;
-#define mono_images_lock() EnterCriticalSection (&images_mutex)
-#define mono_images_unlock() LeaveCriticalSection (&images_mutex)
+#define mono_images_lock() if (mutex_inited) EnterCriticalSection (&images_mutex)
+#define mono_images_unlock() if (mutex_inited) LeaveCriticalSection (&images_mutex)
+static gboolean mutex_inited;
static CRITICAL_SECTION images_mutex;
/* returns offset relative to image->raw_data */
loaded_images_hash = g_hash_table_new (g_str_hash, g_str_equal);
loaded_images_refonly_hash = g_hash_table_new (g_str_hash, g_str_equal);
- debug_assembly_unload = getenv ("MONO_DEBUG_ASSEMBLY_UNLOAD") != NULL;
+ debug_assembly_unload = g_getenv ("MONO_DEBUG_ASSEMBLY_UNLOAD") != NULL;
+
+ mutex_inited = TRUE;
}
/**
g_hash_table_destroy (loaded_images_hash);
g_hash_table_destroy (loaded_images_refonly_hash);
+
+ mutex_inited = FALSE;
}
/**
return FALSE;
image->raw_metadata = image->raw_data + offset;
+ /* 24.2.1: Metadata root starts here */
ptr = image->raw_metadata;
if (strncmp (ptr, "BSJB", 4) == 0){
ptr += 4;
image->md_version_major = read16 (ptr);
- ptr += 4;
+ ptr += 2;
image->md_version_minor = read16 (ptr);
- ptr += 4;
+ ptr += 6;
version_string_len = read32 (ptr);
ptr += 4;
image->property_hash = mono_property_hash_new ();
InitializeCriticalSection (&image->lock);
+ InitializeCriticalSection (&image->szarray_cache_lock);
}
#if G_BYTE_ORDER != G_LITTLE_ENDIAN
return offset;
}
-static MonoImage *
-do_mono_image_load (MonoImage *image, MonoImageOpenStatus *status,
- gboolean care_about_cli)
+gboolean
+mono_image_load_pe_data (MonoImage *image)
{
MonoCLIImageInfo *iinfo;
MonoDotNetHeader *header;
MonoMSDOSHeader msdos;
gint32 offset = 0;
- mono_profiler_module_event (image, MONO_PROFILE_START_LOAD);
-
- mono_image_init (image);
-
iinfo = image->image_info;
header = &iinfo->cli_header;
-
- if (status)
- *status = MONO_IMAGE_IMAGE_INVALID;
#ifdef PLATFORM_WIN32
if (!image->is_module_handle)
if (!load_section_tables (image, iinfo, offset))
goto invalid_image;
-
- if (care_about_cli == FALSE) {
- goto done;
- }
-
+
+ return TRUE;
+
+invalid_image:
+ return FALSE;
+}
+
+gboolean
+mono_image_load_cli_data (MonoImage *image)
+{
+ MonoCLIImageInfo *iinfo;
+ MonoDotNetHeader *header;
+
+ iinfo = image->image_info;
+ header = &iinfo->cli_header;
+
/* Load the CLI header */
if (!load_cli_header (image, iinfo))
- goto invalid_image;
+ return FALSE;
if (!load_metadata (image, iinfo))
- goto invalid_image;
+ return FALSE;
+ return TRUE;
+}
+
+void
+mono_image_load_names (MonoImage *image)
+{
/* modules don't have an assembly table row */
if (image->tables [MONO_TABLE_ASSEMBLY].rows) {
image->assembly_name = mono_metadata_string_heap (image,
image->module_name = mono_metadata_string_heap (image,
mono_metadata_decode_row_col (&image->tables [MONO_TABLE_MODULE],
0, MONO_MODULE_NAME));
+}
+
+static MonoImage *
+do_mono_image_load (MonoImage *image, MonoImageOpenStatus *status,
+ gboolean care_about_cli, gboolean care_about_pecoff)
+{
+ MonoCLIImageInfo *iinfo;
+ MonoDotNetHeader *header;
+
+ mono_profiler_module_event (image, MONO_PROFILE_START_LOAD);
+
+ mono_image_init (image);
+
+ iinfo = image->image_info;
+ header = &iinfo->cli_header;
+
+ if (status)
+ *status = MONO_IMAGE_IMAGE_INVALID;
+
+ if (care_about_pecoff == FALSE)
+ goto done;
+
+ if (!mono_verifier_verify_pe_data (image, NULL))
+ goto invalid_image;
+
+ if (!mono_image_load_pe_data (image))
+ goto invalid_image;
+
+ if (care_about_cli == FALSE) {
+ goto done;
+ }
+
+ if (!mono_verifier_verify_cli_data (image, NULL))
+ goto invalid_image;
+
+ if (!mono_image_load_cli_data (image))
+ goto invalid_image;
+
+ if (!mono_verifier_verify_table_data (image, NULL))
+ goto invalid_image;
+
+ mono_image_load_names (image);
load_modules (image);
static MonoImage *
do_mono_image_open (const char *fname, MonoImageOpenStatus *status,
- gboolean care_about_cli, gboolean refonly)
+ gboolean care_about_cli, gboolean care_about_pecoff, gboolean refonly)
{
MonoCLIImageInfo *iinfo;
MonoImage *image;
image->name = mono_path_resolve_symlinks (fname);
image->ref_only = refonly;
image->ref_count = 1;
+ /* if MONO_SECURITY_MODE_CORE_CLR is set then determine if this image is platform code */
+ image->core_clr_platform_code = mono_security_core_clr_determine_platform_image (image);
mono_file_map_close (filed);
- return do_mono_image_load (image, status, care_about_cli);
+ return do_mono_image_load (image, status, care_about_cli, care_about_pecoff);
}
MonoImage *
image->image_info = iinfo;
image->ref_only = refonly;
- image = do_mono_image_load (image, status, TRUE);
+ image = do_mono_image_load (image, status, TRUE, TRUE);
if (image == NULL)
return NULL;
image->ref_count = has_entry_point ? 0 : 1;
image->has_entry_point = has_entry_point;
- image = do_mono_image_load (image, status, TRUE);
+ image = do_mono_image_load (image, status, TRUE, TRUE);
if (image == NULL)
return NULL;
}
mono_images_unlock ();
- image = do_mono_image_open (fname, status, TRUE, refonly);
+ image = do_mono_image_open (fname, status, TRUE, TRUE, refonly);
if (image == NULL)
return NULL;
{
g_return_val_if_fail (fname != NULL, NULL);
- return(do_mono_image_open (fname, status, FALSE, FALSE));
+ return(do_mono_image_open (fname, status, FALSE, TRUE, FALSE));
+}
+
+/**
+ * mono_image_open_raw
+ * @fname: filename that points to the module we want to open
+ * @status: An error condition is returned in this field
+ *
+ * Returns an image without loading neither pe or cli data.
+ *
+ * Use mono_image_load_pe_data and mono_image_load_cli_data to load them.
+ */
+MonoImage *
+mono_image_open_raw (const char *fname, MonoImageOpenStatus *status)
+{
+ g_return_val_if_fail (fname != NULL, NULL);
+
+ return(do_mono_image_open (fname, status, FALSE, FALSE, FALSE));
}
void
if (slot_type & VTFIXUP_TYPE_32BIT)
while (slot_count--) {
*((guint32*) slot) = (guint32) mono_marshal_get_vtfixup_ftnptr (image, *((guint32*) slot), slot_type);
- ((guint32*) slot)++;
+ slot = ((guint32*) slot) + 1;
}
else if (slot_type & VTFIXUP_TYPE_64BIT)
while (slot_count--) {
*((guint64*) slot) = (guint64) mono_marshal_get_vtfixup_ftnptr (image, *((guint64*) slot), slot_type);
- ((guint64*) slot)++;
+ slot = ((guint32*) slot) + 1;
}
else
g_assert_not_reached();
g_hash_table_destroy (hash);
}
-/**
- * mono_image_close:
- * @image: The image file we wish to close
- *
- * Closes an image file, deallocates all memory consumed and
- * unmaps all possible sections of the file
+/*
+ * Returns whether mono_image_close_finish() must be called as well.
+ * We must unload images in two steps because clearing the domain in
+ * SGen requires the class metadata to be intact, but we need to free
+ * the mono_g_hash_tables in case a collection occurs during domain
+ * unloading and the roots would trip up the GC.
*/
-void
-mono_image_close (MonoImage *image)
+gboolean
+mono_image_close_except_pools (MonoImage *image)
{
MonoImage *image2;
GHashTable *loaded_images;
int i;
- g_return_if_fail (image != NULL);
+ g_return_val_if_fail (image != NULL, FALSE);
- if (InterlockedDecrement (&image->ref_count) > 0)
- return;
+ /*
+ * Atomically decrement the refcount and remove ourselves from the hash tables, so
+ * register_image () can't grab an image which is being closed.
+ */
+ mono_images_lock ();
+
+ if (InterlockedDecrement (&image->ref_count) > 0) {
+ mono_images_unlock ();
+ return FALSE;
+ }
+
+ loaded_images = image->ref_only ? loaded_images_refonly_hash : loaded_images_hash;
+ image2 = g_hash_table_lookup (loaded_images, image->name);
+ if (image == image2) {
+ /* This is not true if we are called from mono_image_open () */
+ g_hash_table_remove (loaded_images, image->name);
+ }
+ if (image->assembly_name && (g_hash_table_lookup (loaded_images, image->assembly_name) == image))
+ g_hash_table_remove (loaded_images, (char *) image->assembly_name);
+
+ mono_images_unlock ();
#ifdef PLATFORM_WIN32
if (image->is_module_handle && image->has_entry_point) {
/* Image will be closed by _CorDllMain. */
FreeLibrary ((HMODULE) image->raw_data);
mono_images_unlock ();
- return;
+ return FALSE;
}
mono_images_unlock ();
}
int i;
for (i = 0; i < t->rows; i++) {
- if (image->references [i])
- mono_assembly_close (image->references [i]);
+ if (image->references [i]) {
+ if (!mono_assembly_close_except_image_pools (image->references [i]))
+ image->references [i] = NULL;
+ }
+ }
+ } else {
+ if (image->references) {
+ g_free (image->references);
+ image->references = NULL;
}
-
- g_free (image->references);
- image->references = NULL;
- }
-
- mono_images_lock ();
- loaded_images = image->ref_only ? loaded_images_refonly_hash : loaded_images_hash;
- image2 = g_hash_table_lookup (loaded_images, image->name);
- if (image == image2) {
- /* This is not true if we are called from mono_image_open () */
- g_hash_table_remove (loaded_images, image->name);
}
- if (image->assembly_name && (g_hash_table_lookup (loaded_images, image->assembly_name) == image))
- g_hash_table_remove (loaded_images, (char *) image->assembly_name);
#ifdef PLATFORM_WIN32
+ mono_images_lock ();
if (image->is_module_handle && !image->has_entry_point)
FreeLibrary ((HMODULE) image->raw_data);
-#endif
-
mono_images_unlock ();
+#endif
if (image->raw_buffer_used) {
if (image->raw_data != NULL)
g_hash_table_foreach (image->array_cache, free_array_cache_entry, NULL);
g_hash_table_destroy (image->array_cache);
}
+ if (image->szarray_cache)
+ g_hash_table_destroy (image->szarray_cache);
if (image->ptr_cache)
g_hash_table_destroy (image->ptr_cache);
if (image->name_cache) {
free_hash (image->remoting_invoke_cache);
free_hash (image->runtime_invoke_cache);
free_hash (image->runtime_invoke_direct_cache);
+ free_hash (image->runtime_invoke_vcall_cache);
free_hash (image->synchronized_cache);
free_hash (image->unbox_wrapper_cache);
free_hash (image->cominterop_invoke_cache);
free_hash (image->castclass_cache);
free_hash (image->proxy_isinst_cache);
free_hash (image->thunk_invoke_cache);
- free_hash (image->static_rgctx_invoke_cache);
/* The ownership of signatures is not well defined */
//g_hash_table_foreach (image->memberref_signatures, free_mr_signatures, NULL);
if (image->property_hash)
mono_property_hash_destroy (image->property_hash);
+ g_slist_free (image->reflection_info_unregister_classes);
+
if (image->interface_bitset) {
mono_unload_interface_ids (image->interface_bitset);
mono_bitset_free (image->interface_bitset);
}
for (i = 0; i < image->module_count; ++i) {
- if (image->modules [i])
- mono_image_close (image->modules [i]);
+ if (image->modules [i]) {
+ if (!mono_image_close_except_pools (image->modules [i]))
+ image->modules [i] = NULL;
+ }
}
- if (image->modules)
- g_free (image->modules);
if (image->modules_loaded)
g_free (image->modules_loaded);
- if (image->references)
- g_free (image->references);
- mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (image->mempool);
+ DeleteCriticalSection (&image->szarray_cache_lock);
DeleteCriticalSection (&image->lock);
/*g_print ("destroy image %p (dynamic: %d)\n", image, image->dynamic);*/
+ if (image->dynamic) {
+ /* Dynamic images are GC_MALLOCed */
+ g_free ((char*)image->module_name);
+ mono_dynamic_image_free ((MonoDynamicImage*)image);
+ }
+
+ mono_profiler_module_event (image, MONO_PROFILE_END_UNLOAD);
+
+ return TRUE;
+}
+
+void
+mono_image_close_finish (MonoImage *image)
+{
+ int i;
+
+ if (image->references && !image->dynamic) {
+ MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
+ int i;
+
+ for (i = 0; i < t->rows; i++) {
+ if (image->references [i])
+ mono_assembly_close_finish (image->references [i]);
+ }
+
+ g_free (image->references);
+ image->references = NULL;
+ }
+
+ for (i = 0; i < image->module_count; ++i) {
+ if (image->modules [i])
+ mono_image_close_finish (image->modules [i]);
+ }
+ if (image->modules)
+ g_free (image->modules);
+
+ mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (image->mempool);
+
if (!image->dynamic) {
if (debug_assembly_unload)
mono_mempool_invalidate (image->mempool);
g_free (image);
}
} else {
- /* Dynamic images are GC_MALLOCed */
- g_free ((char*)image->module_name);
- mono_dynamic_image_free ((MonoDynamicImage*)image);
- mono_mempool_destroy (image->mempool);
+ if (debug_assembly_unload)
+ mono_mempool_invalidate (image->mempool);
+ else
+ mono_mempool_destroy (image->mempool);
}
+}
- mono_profiler_module_event (image, MONO_PROFILE_END_UNLOAD);
+/**
+ * mono_image_close:
+ * @image: The image file we wish to close
+ *
+ * Closes an image file, deallocates all memory consumed and
+ * unmaps all possible sections of the file
+ */
+void
+mono_image_close (MonoImage *image)
+{
+ if (mono_image_close_except_pools (image))
+ mono_image_close_finish (image);
}
/**