* Miguel de Icaza (miguel@ximian.com)
* Paolo Molaro (lupus@ximian.com)
*
- * (C) 2001-2003 Ximian, Inc. http://www.ximian.com
+ * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
+ * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
*
*/
#include <config.h>
#include <string.h>
#include "image.h"
#include "cil-coff.h"
-#include "rawbuffer.h"
#include "mono-endian.h"
#include "tabledefs.h"
#include "tokentype.h"
#include "metadata-internals.h"
+#include "profiler-private.h"
+#include "loader.h"
+#include "marshal.h"
+#include "coree.h"
#include <mono/io-layer/io-layer.h>
+#include <mono/utils/mono-logger.h>
+#include <mono/utils/mono-path.h>
+#include <mono/utils/mono-mmap.h>
+#include <mono/utils/mono-io-portability.h>
+#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
#include <unistd.h>
+#endif
#define INVALID_ADDRESS 0xffffffff
* Keeps track of the various assemblies loaded
*/
static GHashTable *loaded_images_hash;
-static GHashTable *loaded_images_guid_hash;
+static GHashTable *loaded_images_refonly_hash;
+
+static gboolean debug_assembly_unload = FALSE;
+#define mono_images_lock() EnterCriticalSection (&images_mutex)
+#define mono_images_unlock() LeaveCriticalSection (&images_mutex)
static CRITICAL_SECTION images_mutex;
+/* returns offset relative to image->raw_data */
guint32
-mono_cli_rva_image_map (MonoCLIImageInfo *iinfo, guint32 addr)
+mono_cli_rva_image_map (MonoImage *image, guint32 addr)
{
+ MonoCLIImageInfo *iinfo = image->image_info;
const int top = iinfo->cli_section_count;
MonoSectionTable *tables = iinfo->cli_section_tables;
int i;
for (i = 0; i < top; i++){
if ((addr >= tables->st_virtual_address) &&
(addr < tables->st_virtual_address + tables->st_raw_data_size)){
+#ifdef PLATFORM_WIN32
+ if (image->is_module_handle)
+ return addr;
+#endif
return addr - tables->st_virtual_address + tables->st_raw_data_ptr;
}
tables++;
return INVALID_ADDRESS;
}
+/**
+ * mono_images_rva_map:
+ * @image: a MonoImage
+ * @addr: relative virtual address (RVA)
+ *
+ * This is a low-level routine used by the runtime to map relative
+ * virtual address (RVA) into their location in memory.
+ *
+ * Returns: the address in memory for the given RVA, or NULL if the
+ * RVA is not valid for this image.
+ */
char *
mono_image_rva_map (MonoImage *image, guint32 addr)
{
if (!mono_image_ensure_section_idx (image, i))
return NULL;
}
+#ifdef PLATFORM_WIN32
+ if (image->is_module_handle)
+ return image->raw_data + addr;
+#endif
return (char*)iinfo->cli_sections [i] +
(addr - tables->st_virtual_address);
}
return NULL;
}
-static gchar *
-canonicalize_path (const char *path)
-{
- gchar *abspath, *pos, *lastpos, *dest;
- int backc;
-
- if (g_path_is_absolute (path)) {
- abspath = g_strdup (path);
- } else {
- gchar *tmpdir = g_get_current_dir ();
- abspath = g_build_filename (tmpdir, path, NULL);
- g_free (tmpdir);
- }
-
- abspath = g_strreverse (abspath);
-
- backc = 0;
- dest = lastpos = abspath;
- pos = strchr (lastpos, G_DIR_SEPARATOR);
-
- while (pos != NULL) {
- int len = pos - lastpos;
- if (len == 1 && lastpos [0] == '.') {
- // nop
- } else if (len == 2 && lastpos [0] == '.' && lastpos [1] == '.') {
- backc++;
- } else if (len > 0) {
- if (backc > 0) {
- backc--;
- } else {
- if (dest != lastpos) strncpy (dest, lastpos, len + 1);
- dest += len + 1;
- }
- }
- lastpos = pos + 1;
- pos = strchr (lastpos, G_DIR_SEPARATOR);
- }
-
- if (dest != lastpos) strcpy (dest, lastpos);
- return g_strreverse (abspath);
-}
-
/**
* mono_images_init:
*
InitializeCriticalSection (&images_mutex);
loaded_images_hash = g_hash_table_new (g_str_hash, g_str_equal);
- loaded_images_guid_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;
+}
+
+/**
+ * mono_images_cleanup:
+ *
+ * Free all resources used by this module.
+ */
+void
+mono_images_cleanup (void)
+{
+ DeleteCriticalSection (&images_mutex);
+
+ g_hash_table_destroy (loaded_images_hash);
+ g_hash_table_destroy (loaded_images_refonly_hash);
}
/**
if (sect->st_raw_data_ptr + sect->st_raw_data_size > image->raw_data_len)
return FALSE;
+#ifdef PLATFORM_WIN32
+ if (image->is_module_handle)
+ iinfo->cli_sections [section] = image->raw_data + sect->st_virtual_address;
+ else
+#endif
/* FIXME: we ignore the writable flag since we don't patch the binary */
iinfo->cli_sections [section] = image->raw_data + sect->st_raw_data_ptr;
return TRUE;
{
guint32 offset;
- offset = mono_cli_rva_image_map (iinfo, iinfo->cli_header.datadir.pe_cli_header.rva);
+ offset = mono_cli_rva_image_map (image, iinfo->cli_header.datadir.pe_cli_header.rva);
if (offset == INVALID_ADDRESS)
return FALSE;
guint32 pad;
char *ptr;
- offset = mono_cli_rva_image_map (iinfo, iinfo->cli_cli_header.ch_metadata.rva);
+ offset = mono_cli_rva_image_map (image, iinfo->cli_cli_header.ch_metadata.rva);
if (offset == INVALID_ADDRESS)
return FALSE;
if (strncmp (ptr, "BSJB", 4) == 0){
guint32 version_string_len;
- ptr += 12;
+ ptr += 4;
+ image->md_version_major = read16 (ptr);
+ ptr += 2;
+ image->md_version_minor = read16 (ptr);
+ ptr += 6;
+
version_string_len = read32 (ptr);
ptr += 4;
image->version = g_strndup (ptr, version_string_len);
image->heap_guid.size = read32 (ptr + 4);
ptr += 8 + 6;
} else if (strncmp (ptr + 8, "#-", 3) == 0) {
- g_print ("Assembly '%s' has the non-standard metadata heap #-.\nRecompile it correctly (without the /incremental switch or in Release mode).", image->name);
- return FALSE;
+ image->heap_tables.data = image->raw_metadata + read32 (ptr);
+ image->heap_tables.size = read32 (ptr + 4);
+ ptr += 8 + 3;
+ image->uncompressed_metadata = TRUE;
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly '%s' has the non-standard metadata heap #-.\nRecompile it correctly (without the /incremental switch or in Release mode).\n", image->name);
} else {
g_message ("Unknown heap type: %s\n", ptr + 8);
ptr += 8 + strlen (ptr + 8) + 1;
g_assert (image->heap_guid.data);
g_assert (image->heap_guid.size >= 16);
- image->guid = mono_guid_to_string (image->heap_guid.data);
+ image->guid = mono_guid_to_string ((guint8*)image->heap_guid.data);
return TRUE;
}
}
void
-mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
- const char *name, guint32 index)
+mono_image_check_for_module_cctor (MonoImage *image)
{
- GHashTable *nspace_table;
- GHashTable *name_cache = image->name_cache;
-
- if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
- nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
- g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
+ MonoTableInfo *t, *mt;
+ t = &image->tables [MONO_TABLE_TYPEDEF];
+ mt = &image->tables [MONO_TABLE_METHOD];
+ if (mono_framework_version () == 1) {
+ image->checked_module_cctor = TRUE;
+ return;
+ }
+ if (image->dynamic) {
+ /* FIXME: */
+ image->checked_module_cctor = TRUE;
+ return;
}
- g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
+ if (t->rows >= 1) {
+ guint32 nameidx = mono_metadata_decode_row_col (t, 0, MONO_TYPEDEF_NAME);
+ const char *name = mono_metadata_string_heap (image, nameidx);
+ if (strcmp (name, "<Module>") == 0) {
+ guint32 first_method = mono_metadata_decode_row_col (t, 0, MONO_TYPEDEF_METHOD_LIST) - 1;
+ guint32 last_method;
+ if (t->rows > 1)
+ last_method = mono_metadata_decode_row_col (t, 1, MONO_TYPEDEF_METHOD_LIST) - 1;
+ else
+ last_method = mt->rows;
+ for (; first_method < last_method; first_method++) {
+ nameidx = mono_metadata_decode_row_col (mt, first_method, MONO_METHOD_NAME);
+ name = mono_metadata_string_heap (image, nameidx);
+ if (strcmp (name, ".cctor") == 0) {
+ image->has_module_cctor = TRUE;
+ image->checked_module_cctor = TRUE;
+ return;
+ }
+ }
+ }
+ }
+ image->has_module_cctor = FALSE;
+ image->checked_module_cctor = TRUE;
}
static void
-load_modules (MonoImage *image, MonoImageOpenStatus *status)
+load_modules (MonoImage *image)
{
MonoTableInfo *t;
- int i;
- char *base_dir;
if (image->modules)
return;
t = &image->tables [MONO_TABLE_MODULEREF];
image->modules = g_new0 (MonoImage *, t->rows);
+ image->modules_loaded = g_new0 (gboolean, t->rows);
image->module_count = t->rows;
+}
+
+/**
+ * mono_image_load_module:
+ *
+ * Load the module with the one-based index IDX from IMAGE and return it. Return NULL if
+ * it cannot be loaded.
+ */
+MonoImage*
+mono_image_load_module (MonoImage *image, int idx)
+{
+ MonoTableInfo *t;
+ MonoTableInfo *file_table;
+ int i;
+ char *base_dir;
+ gboolean refonly = image->ref_only;
+ GList *list_iter, *valid_modules = NULL;
+ MonoImageOpenStatus status;
+
+ g_assert (idx <= image->module_count);
+ if (image->modules_loaded [idx - 1])
+ return image->modules [idx - 1];
+
+ file_table = &image->tables [MONO_TABLE_FILE];
+ for (i = 0; i < file_table->rows; i++) {
+ guint32 cols [MONO_FILE_SIZE];
+ mono_metadata_decode_row (file_table, i, cols, MONO_FILE_SIZE);
+ if (cols [MONO_FILE_FLAGS] == FILE_CONTAINS_NO_METADATA)
+ continue;
+ valid_modules = g_list_prepend (valid_modules, (char*)mono_metadata_string_heap (image, cols [MONO_FILE_NAME]));
+ }
+
+ t = &image->tables [MONO_TABLE_MODULEREF];
base_dir = g_path_get_dirname (image->name);
- for (i = 0; i < t->rows; i++){
+
+ {
char *module_ref;
const char *name;
guint32 cols [MONO_MODULEREF_SIZE];
+ /* if there is no file table, we try to load the module... */
+ int valid = file_table->rows == 0;
- mono_metadata_decode_row (t, i, cols, MONO_MODULEREF_SIZE);
+ mono_metadata_decode_row (t, idx - 1, cols, MONO_MODULEREF_SIZE);
name = mono_metadata_string_heap (image, cols [MONO_MODULEREF_NAME]);
- module_ref = g_build_filename (base_dir, name, NULL);
- image->modules [i] = mono_image_open (module_ref, status);
- if (image->modules [i]) {
- /* g_print ("loaded module %s from %s (%p)\n", module_ref, image->name, image->assembly); */
+ for (list_iter = valid_modules; list_iter; list_iter = list_iter->next) {
+ /* be safe with string dups, but we could just compare string indexes */
+ if (strcmp (list_iter->data, name) == 0) {
+ valid = TRUE;
+ break;
+ }
}
- /*
- * FIXME: what do we do here? it could be a native dll...
- * We should probably do lazy-loading of modules.
- */
- if (status)
- *status = MONO_IMAGE_OK;
- g_free (module_ref);
- }
-
- g_free (base_dir);
-}
-
-static void
-load_class_names (MonoImage *image)
-{
- MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
- guint32 cols [MONO_TYPEDEF_SIZE];
- const char *name;
- const char *nspace;
- guint32 i, visib, nspace_index;
- GHashTable *name_cache2, *nspace_table;
-
- /* Temporary hash table to avoid lookups in the nspace_table */
- name_cache2 = g_hash_table_new (NULL, NULL);
-
- for (i = 1; i <= t->rows; ++i) {
- mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
- /* nested types are accessed from the nesting name */
- visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
- if (visib > TYPE_ATTRIBUTE_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_ASSEMBLY)
- continue;
- name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
- nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
-
- nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
- nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
- if (!nspace_table) {
- nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
- g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
- g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
- nspace_table);
+ if (valid) {
+ module_ref = g_build_filename (base_dir, name, NULL);
+ image->modules [idx - 1] = mono_image_open_full (module_ref, &status, refonly);
+ if (image->modules [idx - 1]) {
+ mono_image_addref (image->modules [idx - 1]);
+ image->modules [idx - 1]->assembly = image->assembly;
+#ifdef PLATFORM_WIN32
+ if (image->modules [idx - 1]->is_module_handle)
+ mono_image_fixup_vtable (image->modules [idx - 1]);
+#endif
+ /* g_print ("loaded module %s from %s (%p)\n", module_ref, image->name, image->assembly); */
+ }
+ g_free (module_ref);
}
- g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
}
- /* Load type names from EXPORTEDTYPES table */
- {
- MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
- guint32 cols [MONO_EXP_TYPE_SIZE];
- int i;
+ image->modules_loaded [idx - 1] = TRUE;
- for (i = 0; i < t->rows; ++i) {
- mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
- name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
- nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
-
- nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
- nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
- if (!nspace_table) {
- nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
- g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
- g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
- nspace_table);
- }
- g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
- }
- }
+ g_free (base_dir);
+ g_list_free (valid_modules);
- g_hash_table_destroy (name_cache2);
+ return image->modules [idx - 1];
}
-static void
-register_guid (gpointer key, gpointer value, gpointer user_data)
+static gpointer
+class_key_extract (gpointer value)
{
- MonoImage *image = (MonoImage*)value;
+ MonoClass *class = value;
- if (!g_hash_table_lookup (loaded_images_guid_hash, image))
- g_hash_table_insert (loaded_images_guid_hash, image->guid, image);
+ return GUINT_TO_POINTER (class->type_token);
}
-static void
-build_guid_table (void)
+static gpointer*
+class_next_value (gpointer value)
{
- g_hash_table_foreach (loaded_images_hash, register_guid, NULL);
+ MonoClass *class = value;
+
+ return (gpointer*)&class->next_class_cache;
}
void
mono_image_init (MonoImage *image)
{
- image->mempool = mono_mempool_new ();
- image->method_cache = g_hash_table_new (NULL, NULL);
- image->class_cache = g_hash_table_new (NULL, NULL);
+ image->mempool = mono_mempool_new_size (512);
+ mono_internal_hash_table_init (&image->class_cache,
+ g_direct_hash,
+ class_key_extract,
+ class_next_value);
image->field_cache = g_hash_table_new (NULL, NULL);
- image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
- image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
-
- image->delegate_begin_invoke_cache =
- g_hash_table_new ((GHashFunc)mono_signature_hash,
- (GCompareFunc)mono_metadata_signature_equal);
- image->delegate_end_invoke_cache =
- g_hash_table_new ((GHashFunc)mono_signature_hash,
- (GCompareFunc)mono_metadata_signature_equal);
- image->delegate_invoke_cache =
- g_hash_table_new ((GHashFunc)mono_signature_hash,
- (GCompareFunc)mono_metadata_signature_equal);
- image->runtime_invoke_cache =
- g_hash_table_new ((GHashFunc)mono_signature_hash,
- (GCompareFunc)mono_metadata_signature_equal);
-
- image->managed_wrapper_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
- image->native_wrapper_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
- image->remoting_invoke_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
- image->synchronized_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
- image->unbox_wrapper_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
image->typespec_cache = g_hash_table_new (NULL, NULL);
image->memberref_signatures = g_hash_table_new (NULL, NULL);
image->helper_signatures = g_hash_table_new (g_str_hash, g_str_equal);
-}
-
-static MonoImage *
-do_mono_image_load (MonoImage *image, MonoImageOpenStatus *status,
- gboolean care_about_cli)
-{
- MonoCLIImageInfo *iinfo;
- MonoDotNetHeader *header;
- MonoMSDOSHeader msdos;
- guint32 offset = 0;
+ image->method_signatures = g_hash_table_new (NULL, NULL);
- mono_image_init (image);
+ image->property_hash = mono_property_hash_new ();
+ InitializeCriticalSection (&image->lock);
+ InitializeCriticalSection (&image->szarray_cache_lock);
+}
- iinfo = image->image_info;
- header = &iinfo->cli_header;
-
- if (status)
- *status = MONO_IMAGE_IMAGE_INVALID;
+#if G_BYTE_ORDER != G_LITTLE_ENDIAN
+#define SWAP64(x) (x) = GUINT64_FROM_LE ((x))
+#define SWAP32(x) (x) = GUINT32_FROM_LE ((x))
+#define SWAP16(x) (x) = GUINT16_FROM_LE ((x))
+#define SWAPPDE(x) do { (x).rva = GUINT32_FROM_LE ((x).rva); (x).size = GUINT32_FROM_LE ((x).size);} while (0)
+#else
+#define SWAP64(x)
+#define SWAP32(x)
+#define SWAP16(x)
+#define SWAPPDE(x)
+#endif
- if (offset + sizeof (msdos) > image->raw_data_len)
- goto invalid_image;
- memcpy (&msdos, image->raw_data + offset, sizeof (msdos));
-
- if (!(msdos.msdos_sig [0] == 'M' && msdos.msdos_sig [1] == 'Z'))
- goto invalid_image;
-
- msdos.pe_offset = GUINT32_FROM_LE (msdos.pe_offset);
+/*
+ * Returns < 0 to indicate an error.
+ */
+static int
+do_load_header (MonoImage *image, MonoDotNetHeader *header, int offset)
+{
+ MonoDotNetHeader64 header64;
- offset = msdos.pe_offset;
+#ifdef PLATFORM_WIN32
+ if (!image->is_module_handle)
+#endif
+ if (offset + sizeof (MonoDotNetHeader32) > image->raw_data_len)
+ return -1;
- if (offset + sizeof (MonoDotNetHeader) > image->raw_data_len)
- goto invalid_image;
memcpy (header, image->raw_data + offset, sizeof (MonoDotNetHeader));
- offset += sizeof (MonoDotNetHeader);
-#if G_BYTE_ORDER != G_LITTLE_ENDIAN
-#define SWAP32(x) (x) = GUINT32_FROM_LE ((x))
-#define SWAP16(x) (x) = GUINT16_FROM_LE ((x))
-#define SWAPPDE(x) do { (x).rva = GUINT32_FROM_LE ((x).rva); (x).size = GUINT32_FROM_LE ((x).size);} while (0)
+ if (header->pesig [0] != 'P' || header->pesig [1] != 'E')
+ return -1;
+
+ /* endian swap the fields common between PE and PE+ */
SWAP32 (header->coff.coff_time);
SWAP32 (header->coff.coff_symptr);
SWAP32 (header->coff.coff_symcount);
SWAP16 (header->coff.coff_attributes);
/* MonoPEHeader */
SWAP32 (header->pe.pe_code_size);
- SWAP32 (header->pe.pe_data_size);
SWAP32 (header->pe.pe_uninit_data_size);
SWAP32 (header->pe.pe_rva_entry_point);
SWAP32 (header->pe.pe_rva_code_base);
SWAP32 (header->pe.pe_rva_data_base);
SWAP16 (header->pe.pe_magic);
+ /* now we are ready for the basic tests */
+
+ if (header->pe.pe_magic == 0x10B) {
+ offset += sizeof (MonoDotNetHeader);
+ SWAP32 (header->pe.pe_data_size);
+ if (header->coff.coff_opt_header_size != (sizeof (MonoDotNetHeader) - sizeof (MonoCOFFHeader) - 4))
+ return -1;
+
+ SWAP32 (header->nt.pe_image_base); /* must be 0x400000 */
+ SWAP32 (header->nt.pe_stack_reserve);
+ SWAP32 (header->nt.pe_stack_commit);
+ SWAP32 (header->nt.pe_heap_reserve);
+ SWAP32 (header->nt.pe_heap_commit);
+ } else if (header->pe.pe_magic == 0x20B) {
+ /* PE32+ file format */
+ if (header->coff.coff_opt_header_size != (sizeof (MonoDotNetHeader64) - sizeof (MonoCOFFHeader) - 4))
+ return -1;
+ memcpy (&header64, image->raw_data + offset, sizeof (MonoDotNetHeader64));
+ offset += sizeof (MonoDotNetHeader64);
+ /* copy the fields already swapped. the last field, pe_data_size, is missing */
+ memcpy (&header64, header, sizeof (MonoDotNetHeader) - 4);
+ /* FIXME: we lose bits here, but we don't use this stuff internally, so we don't care much.
+ * will be fixed when we change MonoDotNetHeader to not match the 32 bit variant
+ */
+ SWAP64 (header64.nt.pe_image_base);
+ header->nt.pe_image_base = header64.nt.pe_image_base;
+ SWAP64 (header64.nt.pe_stack_reserve);
+ header->nt.pe_stack_reserve = header64.nt.pe_stack_reserve;
+ SWAP64 (header64.nt.pe_stack_commit);
+ header->nt.pe_stack_commit = header64.nt.pe_stack_commit;
+ SWAP64 (header64.nt.pe_heap_reserve);
+ header->nt.pe_heap_reserve = header64.nt.pe_heap_reserve;
+ SWAP64 (header64.nt.pe_heap_commit);
+ header->nt.pe_heap_commit = header64.nt.pe_heap_commit;
+
+ header->nt.pe_section_align = header64.nt.pe_section_align;
+ header->nt.pe_file_alignment = header64.nt.pe_file_alignment;
+ header->nt.pe_os_major = header64.nt.pe_os_major;
+ header->nt.pe_os_minor = header64.nt.pe_os_minor;
+ header->nt.pe_user_major = header64.nt.pe_user_major;
+ header->nt.pe_user_minor = header64.nt.pe_user_minor;
+ header->nt.pe_subsys_major = header64.nt.pe_subsys_major;
+ header->nt.pe_subsys_minor = header64.nt.pe_subsys_minor;
+ header->nt.pe_reserved_1 = header64.nt.pe_reserved_1;
+ header->nt.pe_image_size = header64.nt.pe_image_size;
+ header->nt.pe_header_size = header64.nt.pe_header_size;
+ header->nt.pe_checksum = header64.nt.pe_checksum;
+ header->nt.pe_subsys_required = header64.nt.pe_subsys_required;
+ header->nt.pe_dll_flags = header64.nt.pe_dll_flags;
+ header->nt.pe_loader_flags = header64.nt.pe_loader_flags;
+ header->nt.pe_data_dir_count = header64.nt.pe_data_dir_count;
+
+ /* copy the datadir */
+ memcpy (&header->datadir, &header64.datadir, sizeof (MonoPEDatadir));
+ } else {
+ return -1;
+ }
+
/* MonoPEHeaderNT: not used yet */
- SWAP32 (header->nt.pe_image_base); /* must be 0x400000 */
SWAP32 (header->nt.pe_section_align); /* must be 8192 */
SWAP32 (header->nt.pe_file_alignment); /* must be 512 or 4096 */
SWAP16 (header->nt.pe_os_major); /* must be 4 */
SWAP32 (header->nt.pe_checksum);
SWAP16 (header->nt.pe_subsys_required);
SWAP16 (header->nt.pe_dll_flags);
- SWAP32 (header->nt.pe_stack_reserve);
- SWAP32 (header->nt.pe_stack_commit);
- SWAP32 (header->nt.pe_heap_reserve);
- SWAP32 (header->nt.pe_heap_commit);
SWAP32 (header->nt.pe_loader_flags);
SWAP32 (header->nt.pe_data_dir_count);
SWAPPDE (header->datadir.pe_cli_header);
SWAPPDE (header->datadir.pe_reserved);
-#undef SWAP32
-#undef SWAP16
-#undef SWAPPDE
+#ifdef PLATFORM_WIN32
+ if (image->is_module_handle)
+ image->raw_data_len = header->nt.pe_image_size;
#endif
- if (header->coff.coff_machine != 0x14c)
+ return offset;
+}
+
+gboolean
+mono_image_load_pe_data (MonoImage *image)
+{
+ MonoCLIImageInfo *iinfo;
+ MonoDotNetHeader *header;
+ MonoMSDOSHeader msdos;
+ gint32 offset = 0;
+
+ iinfo = image->image_info;
+ header = &iinfo->cli_header;
+
+#ifdef PLATFORM_WIN32
+ if (!image->is_module_handle)
+#endif
+ if (offset + sizeof (msdos) > image->raw_data_len)
+ goto invalid_image;
+ memcpy (&msdos, image->raw_data + offset, sizeof (msdos));
+
+ if (!(msdos.msdos_sig [0] == 'M' && msdos.msdos_sig [1] == 'Z'))
goto invalid_image;
+
+ msdos.pe_offset = GUINT32_FROM_LE (msdos.pe_offset);
+
+ offset = msdos.pe_offset;
- if (header->coff.coff_opt_header_size != (sizeof (MonoDotNetHeader) - sizeof (MonoCOFFHeader) - 4))
+ offset = do_load_header (image, header, offset);
+ if (offset < 0)
goto invalid_image;
- if (header->pesig[0] != 'P' || header->pesig[1] != 'E' || header->pe.pe_magic != 0x10B)
+ /*
+ * this tests for a x86 machine type, but itanium, amd64 and others could be used, too.
+ * we skip this test.
+ if (header->coff.coff_machine != 0x14c)
goto invalid_image;
+ */
#if 0
/*
if (!load_section_tables (image, iinfo, offset))
goto invalid_image;
+
+ 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))
+ return FALSE;
+
+ if (!load_metadata (image, iinfo))
+ return FALSE;
+
+ return TRUE;
+}
+
+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;
}
-
- /* Load the CLI header */
- if (!load_cli_header (image, iinfo))
- goto invalid_image;
- if (!load_metadata (image, iinfo))
+ if (!mono_verifier_verify_cli_data (image, NULL))
goto invalid_image;
- load_class_names (image);
+ if (!mono_image_load_cli_data (image))
+ goto invalid_image;
/* modules don't have an assembly table row */
- if (image->tables [MONO_TABLE_ASSEMBLY].rows)
+ if (image->tables [MONO_TABLE_ASSEMBLY].rows) {
image->assembly_name = mono_metadata_string_heap (image,
mono_metadata_decode_row_col (&image->tables [MONO_TABLE_ASSEMBLY],
0, MONO_ASSEMBLY_NAME));
+ }
image->module_name = mono_metadata_string_heap (image,
mono_metadata_decode_row_col (&image->tables [MONO_TABLE_MODULE],
0, MONO_MODULE_NAME));
- load_modules (image, status);
+ load_modules (image);
done:
+ mono_profiler_module_loaded (image, MONO_PROFILE_OK);
if (status)
*status = MONO_IMAGE_OK;
- image->ref_count=1;
-
return image;
invalid_image:
+ mono_profiler_module_loaded (image, MONO_PROFILE_FAILED);
mono_image_close (image);
return NULL;
}
static MonoImage *
do_mono_image_open (const char *fname, MonoImageOpenStatus *status,
- gboolean care_about_cli)
+ gboolean care_about_cli, gboolean care_about_pecoff, gboolean refonly)
{
MonoCLIImageInfo *iinfo;
MonoImage *image;
- FILE *filed;
- struct stat stat_buf;
+ MonoFileMap *filed;
+
+ if ((filed = mono_file_map_open (fname)) == NULL){
+ if (IS_PORTABILITY_SET) {
+ gchar *ffname = mono_portability_find_file (fname, TRUE);
+ if (ffname) {
+ filed = mono_file_map_open (ffname);
+ g_free (ffname);
+ }
+ }
- if ((filed = fopen (fname, "rb")) == NULL){
- if (status)
- *status = MONO_IMAGE_ERROR_ERRNO;
- return NULL;
+ if (filed == NULL) {
+ if (status)
+ *status = MONO_IMAGE_ERROR_ERRNO;
+ return NULL;
+ }
}
- if (fstat (fileno (filed), &stat_buf)) {
- fclose (filed);
+ image = g_new0 (MonoImage, 1);
+ image->raw_buffer_used = TRUE;
+ image->raw_data_len = mono_file_map_size (filed);
+ image->raw_data = mono_file_map (image->raw_data_len, MONO_MMAP_READ|MONO_MMAP_PRIVATE, mono_file_map_fd (filed), 0, &image->raw_data_handle);
+ if (!image->raw_data) {
+ mono_file_map_close (filed);
+ g_free (image);
if (status)
- *status = MONO_IMAGE_ERROR_ERRNO;
+ *status = MONO_IMAGE_IMAGE_INVALID;
return NULL;
}
- image = g_new0 (MonoImage, 1);
- image->ref_count = 1;
- image->file_descr = filed;
- image->raw_data_len = stat_buf.st_size;
- image->raw_data = mono_raw_buffer_load (fileno (filed), FALSE, 0, stat_buf.st_size);
iinfo = g_new0 (MonoCLIImageInfo, 1);
image->image_info = iinfo;
- image->name = canonicalize_path (fname);
+ 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);
- return do_mono_image_load (image, status, care_about_cli);
+ mono_file_map_close (filed);
+ return do_mono_image_load (image, status, care_about_cli, care_about_pecoff);
}
MonoImage *
-mono_image_loaded (const char *name)
+mono_image_loaded_full (const char *name, gboolean refonly)
{
MonoImage *res;
+ GHashTable *loaded_images = refonly ? loaded_images_refonly_hash : loaded_images_hash;
- EnterCriticalSection (&images_mutex);
- res = g_hash_table_lookup (loaded_images_hash, name);
- LeaveCriticalSection (&images_mutex);
+ mono_images_lock ();
+ res = g_hash_table_lookup (loaded_images, name);
+ mono_images_unlock ();
return res;
}
+/**
+ * mono_image_loaded:
+ * @name: name of the image to load
+ *
+ * This routine ensures that the given image is loaded.
+ *
+ * Returns: the loaded MonoImage, or NULL on failure.
+ */
MonoImage *
-mono_image_loaded_by_guid (const char *guid)
+mono_image_loaded (const char *name)
{
+ return mono_image_loaded_full (name, FALSE);
+}
+
+typedef struct {
MonoImage *res;
+ const char* guid;
+} GuidData;
- EnterCriticalSection (&images_mutex);
- res = g_hash_table_lookup (loaded_images_guid_hash, guid);
- LeaveCriticalSection (&images_mutex);
- return res;
+static void
+find_by_guid (gpointer key, gpointer val, gpointer user_data)
+{
+ GuidData *data = user_data;
+ MonoImage *image;
+
+ if (data->res)
+ return;
+ image = val;
+ if (strcmp (data->guid, mono_image_get_guid (image)) == 0)
+ data->res = image;
}
MonoImage *
-mono_image_open_from_data (char *data, guint32 data_len, gboolean need_copy, MonoImageOpenStatus *status)
+mono_image_loaded_by_guid_full (const char *guid, gboolean refonly)
{
- MonoCLIImageInfo *iinfo;
- MonoImage *image;
- char *datac;
+ GuidData data;
+ GHashTable *loaded_images = refonly ? loaded_images_refonly_hash : loaded_images_hash;
+ data.res = NULL;
+ data.guid = guid;
+
+ mono_images_lock ();
+ g_hash_table_foreach (loaded_images, find_by_guid, &data);
+ mono_images_unlock ();
+ return data.res;
+}
- if (!data || !data_len) {
- if (status)
- *status = MONO_IMAGE_IMAGE_INVALID;
- return NULL;
- }
- datac = data;
- if (need_copy) {
- datac = g_try_malloc (data_len);
- if (!datac) {
- if (status)
- *status = MONO_IMAGE_ERROR_ERRNO;
- return NULL;
- }
- memcpy (datac, data, data_len);
+MonoImage *
+mono_image_loaded_by_guid (const char *guid)
+{
+ return mono_image_loaded_by_guid_full (guid, FALSE);
+}
+
+static MonoImage *
+register_image (MonoImage *image)
+{
+ MonoImage *image2;
+ GHashTable *loaded_images = image->ref_only ? loaded_images_refonly_hash : loaded_images_hash;
+
+ mono_images_lock ();
+ image2 = g_hash_table_lookup (loaded_images, image->name);
+
+ if (image2) {
+ /* Somebody else beat us to it */
+ mono_image_addref (image2);
+ mono_images_unlock ();
+ mono_image_close (image);
+ return image2;
+ }
+ g_hash_table_insert (loaded_images, image->name, image);
+ if (image->assembly_name && (g_hash_table_lookup (loaded_images, image->assembly_name) == NULL))
+ g_hash_table_insert (loaded_images, (char *) image->assembly_name, image);
+ mono_images_unlock ();
+
+ return image;
+}
+
+MonoImage *
+mono_image_open_from_data_full (char *data, guint32 data_len, gboolean need_copy, MonoImageOpenStatus *status, gboolean refonly)
+{
+ MonoCLIImageInfo *iinfo;
+ MonoImage *image;
+ char *datac;
+
+ if (!data || !data_len) {
+ if (status)
+ *status = MONO_IMAGE_IMAGE_INVALID;
+ return NULL;
+ }
+ datac = data;
+ if (need_copy) {
+ datac = g_try_malloc (data_len);
+ if (!datac) {
+ if (status)
+ *status = MONO_IMAGE_ERROR_ERRNO;
+ return NULL;
+ }
+ memcpy (datac, data, data_len);
}
image = g_new0 (MonoImage, 1);
- image->ref_count = 1;
image->raw_data = datac;
image->raw_data_len = data_len;
image->raw_data_allocated = need_copy;
image->name = g_strdup_printf ("data-%p", datac);
iinfo = g_new0 (MonoCLIImageInfo, 1);
image->image_info = iinfo;
+ image->ref_only = refonly;
- return do_mono_image_load (image, status, TRUE);
+ image = do_mono_image_load (image, status, TRUE, TRUE);
+ if (image == NULL)
+ return NULL;
+
+ return register_image (image);
}
-/**
- * mono_image_open:
- * @fname: filename that points to the module we want to open
- * @status: An error condition is returned in this field
- *
- * Returns: An open image of type %MonoImage or NULL on error.
- * if NULL, then check the value of @status for details on the error
- */
MonoImage *
-mono_image_open (const char *fname, MonoImageOpenStatus *status)
+mono_image_open_from_data (char *data, guint32 data_len, gboolean need_copy, MonoImageOpenStatus *status)
+{
+ return mono_image_open_from_data_full (data, data_len, need_copy, status, FALSE);
+}
+
+#ifdef PLATFORM_WIN32
+/* fname is not duplicated. */
+MonoImage*
+mono_image_open_from_module_handle (HMODULE module_handle, char* fname, gboolean has_entry_point, MonoImageOpenStatus* status)
{
- MonoImage *image, *image2;
+ MonoImage* image;
+ MonoCLIImageInfo* iinfo;
+
+ image = g_new0 (MonoImage, 1);
+ image->raw_data = (char*) module_handle;
+ image->is_module_handle = TRUE;
+ iinfo = g_new0 (MonoCLIImageInfo, 1);
+ image->image_info = iinfo;
+ image->name = fname;
+ image->ref_count = has_entry_point ? 0 : 1;
+ image->has_entry_point = has_entry_point;
+
+ image = do_mono_image_load (image, status, TRUE, TRUE);
+ if (image == NULL)
+ return NULL;
+
+ return register_image (image);
+}
+#endif
+
+MonoImage *
+mono_image_open_full (const char *fname, MonoImageOpenStatus *status, gboolean refonly)
+{
+ MonoImage *image;
+ GHashTable *loaded_images;
char *absfname;
g_return_val_if_fail (fname != NULL, NULL);
- absfname = canonicalize_path (fname);
+#ifdef PLATFORM_WIN32
+ /* Load modules using LoadLibrary. */
+ if (!refonly && coree_module_handle) {
+ HMODULE module_handle;
+ guint16 *fname_utf16;
+ DWORD last_error;
+
+ absfname = mono_path_resolve_symlinks (fname);
+ fname_utf16 = NULL;
+
+ /* There is little overhead because the OS loader lock is held by LoadLibrary. */
+ mono_images_lock ();
+ image = g_hash_table_lookup (loaded_images_hash, absfname);
+ if (image) {
+ g_assert (image->is_module_handle);
+ if (image->has_entry_point && image->ref_count == 0) {
+ /* Increment reference count on images loaded outside of the runtime. */
+ fname_utf16 = g_utf8_to_utf16 (absfname, -1, NULL, NULL, NULL);
+ /* The image is already loaded because _CorDllMain removes images from the hash. */
+ module_handle = LoadLibrary (fname_utf16);
+ g_assert (module_handle == (HMODULE) image->raw_data);
+ }
+ mono_image_addref (image);
+ mono_images_unlock ();
+ if (fname_utf16)
+ g_free (fname_utf16);
+ g_free (absfname);
+ return image;
+ }
+
+ fname_utf16 = g_utf8_to_utf16 (absfname, -1, NULL, NULL, NULL);
+ module_handle = MonoLoadImage (fname_utf16);
+ if (status && module_handle == NULL)
+ last_error = GetLastError ();
+
+ /* mono_image_open_from_module_handle is called by _CorDllMain. */
+ image = g_hash_table_lookup (loaded_images_hash, absfname);
+ if (image)
+ mono_image_addref (image);
+ mono_images_unlock ();
+
+ g_free (fname_utf16);
+
+ if (module_handle == NULL) {
+ g_assert (!image);
+ g_free (absfname);
+ if (status) {
+ if (last_error == ERROR_BAD_EXE_FORMAT || last_error == STATUS_INVALID_IMAGE_FORMAT)
+ *status = MONO_IMAGE_IMAGE_INVALID;
+ else
+ *status = MONO_IMAGE_ERROR_ERRNO;
+ }
+ return NULL;
+ }
+
+ if (image) {
+ g_assert (image->is_module_handle);
+ g_assert (image->has_entry_point);
+ g_free (absfname);
+ return image;
+ }
+
+ return mono_image_open_from_module_handle (module_handle, absfname, FALSE, status);
+ }
+#endif
+
+ absfname = mono_path_canonicalize (fname);
/*
* The easiest solution would be to do all the loading inside the mutex,
* happen outside the mutex, and if multiple threads happen to load
* the same image, we discard all but the first copy.
*/
- EnterCriticalSection (&images_mutex);
- image = g_hash_table_lookup (loaded_images_hash, absfname);
+ mono_images_lock ();
+ loaded_images = refonly ? loaded_images_refonly_hash : loaded_images_hash;
+ image = g_hash_table_lookup (loaded_images, absfname);
g_free (absfname);
if (image){
mono_image_addref (image);
- LeaveCriticalSection (&images_mutex);
+ mono_images_unlock ();
return image;
}
- LeaveCriticalSection (&images_mutex);
+ mono_images_unlock ();
- image = do_mono_image_open (fname, status, TRUE);
+ image = do_mono_image_open (fname, status, TRUE, TRUE, refonly);
if (image == NULL)
return NULL;
- EnterCriticalSection (&images_mutex);
- image2 = g_hash_table_lookup (loaded_images_hash, image->name);
-
- if (image2) {
- /* Somebody else beat us to it */
- mono_image_addref (image2);
- LeaveCriticalSection (&images_mutex);
- mono_image_close (image);
- return image2;
- }
- g_hash_table_insert (loaded_images_hash, image->name, image);
- if (image->assembly_name && (g_hash_table_lookup (loaded_images_hash, image->assembly_name) == NULL))
- g_hash_table_insert (loaded_images_hash, (char *) image->assembly_name, image);
- g_hash_table_insert (loaded_images_guid_hash, image->guid, image);
- LeaveCriticalSection (&images_mutex);
+ return register_image (image);
+}
- return image;
+/**
+ * mono_image_open:
+ * @fname: filename that points to the module we want to open
+ * @status: An error condition is returned in this field
+ *
+ * Returns: An open image of type %MonoImage or NULL on error.
+ * The caller holds a temporary reference to the returned image which should be cleared
+ * when no longer needed by calling mono_image_close ().
+ * if NULL, then check the value of @status for details on the error
+ */
+MonoImage *
+mono_image_open (const char *fname, MonoImageOpenStatus *status)
+{
+ return mono_image_open_full (fname, status, FALSE);
}
/**
{
g_return_val_if_fail (fname != NULL, NULL);
- return(do_mono_image_open (fname, status, 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
+mono_image_fixup_vtable (MonoImage *image)
+{
+#ifdef PLATFORM_WIN32
+ MonoCLIImageInfo *iinfo;
+ MonoPEDirEntry *de;
+ MonoVTableFixup *vtfixup;
+ int count;
+ gpointer slot;
+ guint16 slot_type;
+ int slot_count;
+
+ g_assert (image->is_module_handle);
+
+ iinfo = image->image_info;
+ de = &iinfo->cli_cli_header.ch_vtable_fixups;
+ if (!de->rva || !de->size)
+ return;
+ vtfixup = (MonoVTableFixup*) mono_image_rva_map (image, de->rva);
+ if (!vtfixup)
+ return;
+
+ count = de->size / sizeof (MonoVTableFixup);
+ while (count--) {
+ if (!vtfixup->rva || !vtfixup->count)
+ continue;
+
+ slot = mono_image_rva_map (image, vtfixup->rva);
+ g_assert (slot);
+ slot_type = vtfixup->type;
+ slot_count = vtfixup->count;
+ if (slot_type & VTFIXUP_TYPE_32BIT)
+ while (slot_count--) {
+ *((guint32*) slot) = (guint32) mono_marshal_get_vtfixup_ftnptr (image, *((guint32*) slot), slot_type);
+ ((guint32*) slot)++;
+ }
+ 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)++;
+ }
+ else
+ g_assert_not_reached();
+
+ vtfixup++;
+ }
+#else
+ g_assert_not_reached();
+#endif
}
static void
g_hash_table_destroy ((GHashTable*)val);
}
+/*
static void
free_mr_signatures (gpointer key, gpointer val, gpointer user_data)
{
mono_metadata_free_method_signature ((MonoMethodSignature*)val);
}
+*/
static void
free_remoting_wrappers (gpointer key, gpointer val, gpointer user_data)
g_free (val);
}
+static void
+free_array_cache_entry (gpointer key, gpointer val, gpointer user_data)
+{
+ g_slist_free ((GSList*)val);
+}
+
/**
* mono_image_addref:
* @image: The image file we wish to add a reference to
}
}
+static inline void
+free_hash (GHashTable *hash)
+{
+ if (hash)
+ g_hash_table_destroy (hash);
+}
+
/**
* mono_image_close:
* @image: The image file we wish to close
mono_image_close (MonoImage *image)
{
MonoImage *image2;
+ GHashTable *loaded_images;
int i;
g_return_if_fail (image != NULL);
- EnterCriticalSection (&images_mutex);
- /*g_print ("destroy image '%s' %p (dynamic: %d) refcount: %d\n", image->name, image, image->dynamic, image->ref_count);*/
- g_assert (image->ref_count > 0);
- if (--image->ref_count) {
- LeaveCriticalSection (&images_mutex);
+ if (InterlockedDecrement (&image->ref_count) > 0)
return;
+
+#ifdef PLATFORM_WIN32
+ if (image->is_module_handle && image->has_entry_point) {
+ mono_images_lock ();
+ if (image->ref_count == 0) {
+ /* Image will be closed by _CorDllMain. */
+ FreeLibrary ((HMODULE) image->raw_data);
+ mono_images_unlock ();
+ return;
+ }
+ mono_images_unlock ();
+ }
+#endif
+
+ mono_profiler_module_event (image, MONO_PROFILE_START_UNLOAD);
+
+ mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading image %s [%p].", image->name, image);
+
+ mono_metadata_clean_for_image (image);
+
+ /*
+ * The caches inside a MonoImage might refer to metadata which is stored in referenced
+ * assemblies, so we can't release these references in mono_assembly_close () since the
+ * MonoImage might outlive its associated MonoAssembly.
+ */
+ 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 (image->references [i]);
+ }
+
+ g_free (image->references);
+ image->references = NULL;
}
- image2 = g_hash_table_lookup (loaded_images_hash, image->name);
+
+ 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_hash, image->name);
- g_hash_table_remove (loaded_images_guid_hash, image->guid);
- /* Multiple images might have the same guid */
- build_guid_table ();
+ g_hash_table_remove (loaded_images, image->name);
}
- if (image->assembly_name && (g_hash_table_lookup (loaded_images_hash, image->assembly_name) == image))
- g_hash_table_remove (loaded_images_hash, (char *) image->assembly_name);
- LeaveCriticalSection (&images_mutex);
+ 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
+ if (image->is_module_handle && !image->has_entry_point)
+ FreeLibrary ((HMODULE) image->raw_data);
+#endif
+
+ mono_images_unlock ();
- if (image->file_descr) {
- fclose (image->file_descr);
- image->file_descr = NULL;
+ if (image->raw_buffer_used) {
if (image->raw_data != NULL)
- mono_raw_buffer_free (image->raw_data);
+ mono_file_unmap (image->raw_data, image->raw_data_handle);
}
if (image->raw_data_allocated) {
+ /* FIXME: do we need this? (image is disposed anyway) */
/* image->raw_metadata and cli_sections might lie inside image->raw_data */
MonoCLIImageInfo *ii = image->image_info;
g_free (image->raw_data);
}
- g_free (image->name);
- g_free (image->guid);
- g_free (image->files);
- g_hash_table_destroy (image->method_cache);
- g_hash_table_destroy (image->class_cache);
+ if (debug_assembly_unload) {
+ image->name = g_strdup_printf ("%s - UNLOADED", image->name);
+ } else {
+ g_free (image->name);
+ g_free (image->guid);
+ g_free (image->version);
+ g_free (image->files);
+ }
+
+ if (image->method_cache)
+ mono_value_hash_table_destroy (image->method_cache);
+ if (image->methodref_cache)
+ g_hash_table_destroy (image->methodref_cache);
+ mono_internal_hash_table_destroy (&image->class_cache);
g_hash_table_destroy (image->field_cache);
- g_hash_table_destroy (image->array_cache);
- g_hash_table_foreach (image->name_cache, free_hash_table, NULL);
- g_hash_table_destroy (image->name_cache);
- g_hash_table_destroy (image->native_wrapper_cache);
- g_hash_table_destroy (image->managed_wrapper_cache);
- g_hash_table_destroy (image->delegate_begin_invoke_cache);
- g_hash_table_destroy (image->delegate_end_invoke_cache);
- g_hash_table_destroy (image->delegate_invoke_cache);
- g_hash_table_foreach (image->remoting_invoke_cache, free_remoting_wrappers, NULL);
- g_hash_table_destroy (image->remoting_invoke_cache);
- g_hash_table_destroy (image->runtime_invoke_cache);
- g_hash_table_destroy (image->synchronized_cache);
- g_hash_table_destroy (image->unbox_wrapper_cache);
- g_hash_table_destroy (image->typespec_cache);
- g_hash_table_foreach (image->memberref_signatures, free_mr_signatures, NULL);
+ if (image->array_cache) {
+ 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) {
+ g_hash_table_foreach (image->name_cache, free_hash_table, NULL);
+ g_hash_table_destroy (image->name_cache);
+ }
+
+ free_hash (image->native_wrapper_cache);
+ free_hash (image->managed_wrapper_cache);
+ free_hash (image->delegate_begin_invoke_cache);
+ free_hash (image->delegate_end_invoke_cache);
+ free_hash (image->delegate_invoke_cache);
+ free_hash (image->delegate_abstract_invoke_cache);
+ if (image->remoting_invoke_cache)
+ g_hash_table_foreach (image->remoting_invoke_cache, free_remoting_wrappers, NULL);
+ 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->cominterop_wrapper_cache);
+ free_hash (image->typespec_cache);
+ free_hash (image->ldfld_wrapper_cache);
+ free_hash (image->ldflda_wrapper_cache);
+ free_hash (image->stfld_wrapper_cache);
+ free_hash (image->isinst_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);
g_hash_table_destroy (image->memberref_signatures);
- g_hash_table_foreach (image->helper_signatures, free_mr_signatures, NULL);
+ //g_hash_table_foreach (image->helper_signatures, free_mr_signatures, NULL);
g_hash_table_destroy (image->helper_signatures);
-
+ g_hash_table_destroy (image->method_signatures);
+
+ if (image->generic_class_cache)
+ g_hash_table_destroy (image->generic_class_cache);
+
+ if (image->rgctx_template_hash)
+ g_hash_table_destroy (image->rgctx_template_hash);
+
+ if (image->property_hash)
+ mono_property_hash_destroy (image->property_hash);
+
+ if (image->interface_bitset) {
+ mono_unload_interface_ids (image->interface_bitset);
+ mono_bitset_free (image->interface_bitset);
+ }
if (image->image_info){
MonoCLIImageInfo *ii = image->image_info;
if (image->modules [i])
mono_image_close (image->modules [i]);
}
+ 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) {
- mono_mempool_destroy (image->mempool);
- g_free (image);
+ if (debug_assembly_unload)
+ mono_mempool_invalidate (image->mempool);
+ else {
+ mono_mempool_destroy (image->mempool);
+ g_free (image);
+ }
} else {
/* Dynamic images are GC_MALLOCed */
- struct _MonoDynamicImage *di = (struct _MonoDynamicImage*)image;
- int i;
g_free ((char*)image->module_name);
- if (di->typespec)
- g_hash_table_destroy (di->typespec);
- if (di->typeref)
- g_hash_table_destroy (di->typeref);
- if (di->handleref)
- g_hash_table_destroy (di->handleref);
- if (di->tokens)
- mono_g_hash_table_destroy (di->tokens);
- if (di->blob_cache)
- g_hash_table_destroy (di->blob_cache);
- g_list_free (di->array_methods);
- if (di->gen_params)
- g_ptr_array_free (di->gen_params, TRUE);
- if (di->token_fixups)
- mono_g_hash_table_destroy (di->token_fixups);
- if (di->method_to_table_idx)
- g_hash_table_destroy (di->method_to_table_idx);
- if (di->field_to_table_idx)
- g_hash_table_destroy (di->field_to_table_idx);
- if (di->method_aux_hash)
- g_hash_table_destroy (di->method_aux_hash);
- g_free (di->strong_name);
- g_free (di->win32_res);
- /*g_print ("string heap destroy for image %p\n", di);*/
- mono_dynamic_stream_reset (&di->sheap);
- mono_dynamic_stream_reset (&di->code);
- mono_dynamic_stream_reset (&di->resources);
- mono_dynamic_stream_reset (&di->us);
- mono_dynamic_stream_reset (&di->blob);
- mono_dynamic_stream_reset (&di->tstream);
- mono_dynamic_stream_reset (&di->guid);
- for (i = 0; i < MONO_TABLE_NUM; ++i) {
- g_free (di->tables [i].values);
- }
+ mono_dynamic_image_free ((MonoDynamicImage*)image);
mono_mempool_destroy (image->mempool);
}
+
+ mono_profiler_module_event (image, MONO_PROFILE_END_UNLOAD);
}
/**
MonoPEResourceDirEntry *entry,
MonoPEResourceDir *root, guint32 level)
{
- gboolean is_string=entry->name_is_string;
+ gboolean is_string, is_dir;
+ guint32 name_offset, dir_offset;
/* Level 0 holds a directory entry for each type of resource
* (identified by ID or name).
* Level 2 holds a directory entry for each language pointing to
* the actual data.
*/
+ is_string = MONO_PE_RES_DIR_ENTRY_NAME_IS_STRING (*entry);
+ name_offset = MONO_PE_RES_DIR_ENTRY_NAME_OFFSET (*entry);
+
+ is_dir = MONO_PE_RES_DIR_ENTRY_IS_DIR (*entry);
+ dir_offset = MONO_PE_RES_DIR_ENTRY_DIR_OFFSET (*entry);
if(level==0) {
- if((is_string==FALSE && entry->name_offset!=res_id) ||
- (is_string==TRUE)) {
- return(NULL);
- }
+ if (is_string)
+ return NULL;
} else if (level==1) {
+ if (res_id != name_offset)
+ return NULL;
#if 0
if(name!=NULL &&
- is_string==TRUE && name!=lookup (entry->name_offset)) {
+ is_string==TRUE && name!=lookup (name_offset)) {
return(NULL);
}
#endif
} else if (level==2) {
- if ((is_string == FALSE &&
- entry->name_offset != lang_id &&
- lang_id != 0) ||
- (is_string == TRUE)) {
- return(NULL);
- }
+ if (is_string == TRUE || (is_string == FALSE && lang_id != 0 && name_offset != lang_id))
+ return NULL;
} else {
g_assert_not_reached ();
}
- if(entry->is_dir==TRUE) {
- MonoPEResourceDir *res_dir=(MonoPEResourceDir *)(((char *)root)+entry->dir_offset);
+ if(is_dir==TRUE) {
+ MonoPEResourceDir *res_dir=(MonoPEResourceDir *)(((char *)root)+dir_offset);
MonoPEResourceDirEntry *sub_entries=(MonoPEResourceDirEntry *)(res_dir+1);
guint32 entries, i;
-
- entries=res_dir->res_named_entries + res_dir->res_id_entries;
+
+ entries = GUINT16_FROM_LE (res_dir->res_named_entries) + GUINT16_FROM_LE (res_dir->res_id_entries);
for(i=0; i<entries; i++) {
MonoPEResourceDirEntry *sub_entry=&sub_entries[i];
return(NULL);
} else {
- MonoPEResourceDataEntry *data_entry=(MonoPEResourceDataEntry *)((char *)(root)+entry->dir_offset);
-
- return(data_entry);
+ MonoPEResourceDataEntry *data_entry=(MonoPEResourceDataEntry *)((char *)(root)+dir_offset);
+ MonoPEResourceDataEntry *res;
+
+ res = g_new0 (MonoPEResourceDataEntry, 1);
+
+ res->rde_data_offset = GUINT32_TO_LE (data_entry->rde_data_offset);
+ res->rde_size = GUINT32_TO_LE (data_entry->rde_size);
+ res->rde_codepage = GUINT32_TO_LE (data_entry->rde_codepage);
+ res->rde_reserved = GUINT32_TO_LE (data_entry->rde_reserved);
+
+ return (res);
}
}
+/**
+ * mono_image_lookup_resource:
+ * @image: the image to look up the resource in
+ * @res_id: A MONO_PE_RESOURCE_ID_ that represents the resource ID to lookup.
+ * @lang_id: The language id.
+ * @name: the resource name to lookup.
+ *
+ * Returns: NULL if not found, otherwise a pointer to the in-memory representation
+ * of the given resource. The caller should free it using g_free () when no longer
+ * needed.
+ */
gpointer
mono_image_lookup_resource (MonoImage *image, guint32 res_id, guint32 lang_id, gunichar2 *name)
{
return(NULL);
}
+ mono_image_ensure_section_idx (image, MONO_SECTION_RSRC);
+
info=image->image_info;
if(info==NULL) {
return(NULL);
if(resource_dir==NULL) {
return(NULL);
}
-
- entries=resource_dir->res_named_entries + resource_dir->res_id_entries;
+
+ entries = GUINT16_FROM_LE (resource_dir->res_named_entries) + GUINT16_FROM_LE (resource_dir->res_id_entries);
res_entries=(MonoPEResourceDirEntry *)(resource_dir+1);
for(i=0; i<entries; i++) {
return(NULL);
}
+/**
+ * mono_image_get_entry_point:
+ * @image: the image where the entry point will be looked up.
+ *
+ * Use this routine to determine the metadata token for method that
+ * has been flagged as the entry point.
+ *
+ * Returns: the token for the entry point method in the image
+ */
guint32
mono_image_get_entry_point (MonoImage *image)
{
return ((MonoCLIImageInfo*)image->image_info)->cli_cli_header.ch_entry_point;
}
+/**
+ * mono_image_get_resource:
+ * @image: the image where the resource will be looked up.
+ * @offset: The offset to add to the resource
+ * @size: a pointer to an int where the size of the resource will be stored
+ *
+ * This is a low-level routine that fetches a resource from the
+ * metadata that starts at a given @offset. The @size parameter is
+ * filled with the data field as encoded in the metadata.
+ *
+ * Returns: the pointer to the resource whose offset is @offset.
+ */
const char*
mono_image_get_resource (MonoImage *image, guint32 offset, guint32 *size)
{
if (fileidx < 1 || fileidx > t->rows)
return NULL;
- if (image->files && image->files [fileidx - 1])
+ mono_loader_lock ();
+ if (image->files && image->files [fileidx - 1]) {
+ mono_loader_unlock ();
return image->files [fileidx - 1];
+ }
if (!image->files)
image->files = g_new0 (MonoImage*, t->rows);
}
image->files [fileidx - 1] = res;
+#ifdef PLATFORM_WIN32
+ if (res->is_module_handle)
+ mono_image_fixup_vtable (res);
+#endif
}
+ mono_loader_unlock ();
g_free (name);
g_free (base_dir);
return res;
}
+/**
+ * mono_image_get_strong_name:
+ * @image: a MonoImage
+ * @size: a guint32 pointer, or NULL.
+ *
+ * If the image has a strong name, and @size is not NULL, the value
+ * pointed to by size will have the size of the strong name.
+ *
+ * Returns: NULL if the image does not have a strong name, or a
+ * pointer to the public key.
+ */
const char*
mono_image_get_strong_name (MonoImage *image, guint32 *size)
{
return data;
}
+/**
+ * mono_image_strong_name_position:
+ * @image: a MonoImage
+ * @size: a guint32 pointer, or NULL.
+ *
+ * If the image has a strong name, and @size is not NULL, the value
+ * pointed to by size will have the size of the strong name.
+ *
+ * Returns: the position within the image file where the strong name
+ * is stored.
+ */
guint32
mono_image_strong_name_position (MonoImage *image, guint32 *size)
{
MonoCLIImageInfo *iinfo = image->image_info;
MonoPEDirEntry *de = &iinfo->cli_cli_header.ch_strong_name;
- const int top = iinfo->cli_section_count;
- MonoSectionTable *tables = iinfo->cli_section_tables;
- int i;
- guint32 addr = de->rva;
-
+ guint32 pos;
+
if (size)
*size = de->size;
if (!de->size || !de->rva)
return 0;
- for (i = 0; i < top; i++){
- if ((addr >= tables->st_virtual_address) &&
- (addr < tables->st_virtual_address + tables->st_raw_data_size)){
- return tables->st_raw_data_ptr +
- (addr - tables->st_virtual_address);
- }
- tables++;
- }
-
- return 0;
+ pos = mono_cli_rva_image_map (image, de->rva);
+ return pos == INVALID_ADDRESS ? 0 : pos;
}
+/**
+ * mono_image_get_public_key:
+ * @image: a MonoImage
+ * @size: a guint32 pointer, or NULL.
+ *
+ * This is used to obtain the public key in the @image.
+ *
+ * If the image has a public key, and @size is not NULL, the value
+ * pointed to by size will have the size of the public key.
+ *
+ * Returns: NULL if the image does not have a public key, or a pointer
+ * to the public key.
+ */
const char*
mono_image_get_public_key (MonoImage *image, guint32 *size)
{
const char *pubkey;
guint32 len, tok;
+
+ if (image->dynamic) {
+ if (size)
+ *size = ((MonoDynamicImage*)image)->public_key_len;
+ return (char*)((MonoDynamicImage*)image)->public_key;
+ }
if (image->tables [MONO_TABLE_ASSEMBLY].rows != 1)
return NULL;
tok = mono_metadata_decode_row_col (&image->tables [MONO_TABLE_ASSEMBLY], 0, MONO_ASSEMBLY_PUBLIC_KEY);
return pubkey;
}
+/**
+ * mono_image_get_name:
+ * @name: a MonoImage
+ *
+ * Returns: the name of the assembly.
+ */
const char*
mono_image_get_name (MonoImage *image)
{
return image->assembly_name;
}
+/**
+ * mono_image_get_filename:
+ * @image: a MonoImage
+ *
+ * Used to get the filename that hold the actual MonoImage
+ *
+ * Returns: the filename.
+ */
const char*
mono_image_get_filename (MonoImage *image)
{
return image->name;
}
+const char*
+mono_image_get_guid (MonoImage *image)
+{
+ return image->guid;
+}
+
const MonoTableInfo*
mono_image_get_table_info (MonoImage *image, int table_id)
{
return table->rows;
}
+/**
+ * mono_image_get_assembly:
+ * @image: the MonoImage.
+ *
+ * Use this routine to get the assembly that owns this image.
+ *
+ * Returns: the assembly that holds this image.
+ */
MonoAssembly*
mono_image_get_assembly (MonoImage *image)
{
return image->assembly;
}
+/**
+ * mono_image_is_dynamic:
+ * @image: the MonoImage
+ *
+ * Determines if the given image was created dynamically through the
+ * System.Reflection.Emit API
+ *
+ * Returns: TRUE if the image was created dynamically, FALSE if not.
+ */
gboolean
mono_image_is_dynamic (MonoImage *image)
{
return image->dynamic;
}
+/**
+ * mono_image_has_authenticode_entry:
+ * @image: the MonoImage
+ *
+ * Use this routine to determine if the image has a Authenticode
+ * Certificate Table.
+ *
+ * Returns: TRUE if the image contains an authenticode entry in the PE
+ * directory.
+ */
gboolean
mono_image_has_authenticode_entry (MonoImage *image)
{
// the Authenticode "pre" (non ASN.1) header is 8 bytes long
return ((de->rva != 0) && (de->size > 8));
}
+
+gpointer
+mono_image_alloc (MonoImage *image, guint size)
+{
+ gpointer res;
+
+ mono_perfcounters->loader_bytes += size;
+ mono_image_lock (image);
+ res = mono_mempool_alloc (image->mempool, size);
+ mono_image_unlock (image);
+
+ return res;
+}
+
+gpointer
+mono_image_alloc0 (MonoImage *image, guint size)
+{
+ gpointer res;
+
+ mono_perfcounters->loader_bytes += size;
+ mono_image_lock (image);
+ res = mono_mempool_alloc0 (image->mempool, size);
+ mono_image_unlock (image);
+
+ return res;
+}
+
+char*
+mono_image_strdup (MonoImage *image, const char *s)
+{
+ char *res;
+
+ mono_perfcounters->loader_bytes += strlen (s);
+ mono_image_lock (image);
+ res = mono_mempool_strdup (image->mempool, s);
+ mono_image_unlock (image);
+
+ return res;
+}
+
+GList*
+g_list_prepend_image (MonoImage *image, GList *list, gpointer data)
+{
+ GList *new_list;
+
+ new_list = mono_image_alloc (image, sizeof (GList));
+ new_list->data = data;
+ new_list->prev = list ? list->prev : NULL;
+ new_list->next = list;
+
+ if (new_list->prev)
+ new_list->prev->next = new_list;
+ if (list)
+ list->prev = new_list;
+
+ return new_list;
+}
+
+GSList*
+g_slist_append_image (MonoImage *image, GSList *list, gpointer data)
+{
+ GSList *new_list;
+
+ new_list = mono_image_alloc (image, sizeof (GSList));
+ new_list->data = data;
+ new_list->next = NULL;
+
+ return g_slist_concat (list, new_list);
+}
+
+void
+mono_image_lock (MonoImage *image)
+{
+ mono_locks_acquire (&image->lock, ImageDataLock);
+}
+
+void
+mono_image_unlock (MonoImage *image)
+{
+ mono_locks_release (&image->lock, ImageDataLock);
+}
+
+
+/**
+ * mono_image_property_lookup:
+ *
+ * Lookup a property on @image. Used to store very rare fields of MonoClass and MonoMethod.
+ *
+ * LOCKING: Takes the image lock
+ */
+gpointer
+mono_image_property_lookup (MonoImage *image, gpointer subject, guint32 property)
+{
+ gpointer res;
+
+ mono_image_lock (image);
+ res = mono_property_hash_lookup (image->property_hash, subject, property);
+ mono_image_unlock (image);
+
+ return res;
+}
+
+/**
+ * mono_image_property_insert:
+ *
+ * Insert a new property @property with value @value on @subject in @image. Used to store very rare fields of MonoClass and MonoMethod.
+ *
+ * LOCKING: Takes the image lock
+ */
+void
+mono_image_property_insert (MonoImage *image, gpointer subject, guint32 property, gpointer value)
+{
+ mono_image_lock (image);
+ mono_property_hash_insert (image->property_hash, subject, property, value);
+ mono_image_unlock (image);
+}
+
+/**
+ * mono_image_property_remove:
+ *
+ * Remove all properties associated with @subject in @image. Used to store very rare fields of MonoClass and MonoMethod.
+ *
+ * LOCKING: Takes the image lock
+ */
+void
+mono_image_property_remove (MonoImage *image, gpointer subject)
+{
+ mono_image_lock (image);
+ mono_property_hash_remove_object (image->property_hash, subject);
+ mono_image_unlock (image);
+}
projects / mono.git / blobdiff