#include <stdio.h>
#include <glib.h>
#include <errno.h>
+#include <time.h>
#include <string.h>
#include "image.h"
#include "cil-coff.h"
#include "rawbuffer.h"
-#include "endian.h"
+#include "mono-endian.h"
+#include "private.h"
+#include "tabledefs.h"
#define INVALID_ADDRESS 0xffffffff
static GHashTable *loaded_images_hash;
guint32
-cli_rva_image_map (cli_image_info_t *iinfo, guint32 addr)
+mono_cli_rva_image_map (MonoCLIImageInfo *iinfo, guint32 addr)
{
const int top = iinfo->cli_section_count;
- section_table_t *tables = iinfo->cli_section_tables;
+ MonoSectionTable *tables = iinfo->cli_section_tables;
int i;
for (i = 0; i < top; i++){
}
char *
-cli_rva_map (cli_image_info_t *iinfo, guint32 addr)
+mono_cli_rva_map (MonoCLIImageInfo *iinfo, guint32 addr)
{
const int top = iinfo->cli_section_count;
- section_table_t *tables = iinfo->cli_section_tables;
+ 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)){
- return iinfo->cli_sections [i] +
+ return (char*)iinfo->cli_sections [i] +
(addr - tables->st_virtual_address);
}
tables++;
int
mono_image_ensure_section_idx (MonoImage *image, int section)
{
- cli_image_info_t *iinfo = image->image_info;
- section_table_t *sect;
+ MonoCLIImageInfo *iinfo = image->image_info;
+ MonoSectionTable *sect;
gboolean writable;
g_return_val_if_fail (section < iinfo->cli_section_count, FALSE);
writable = sect->st_flags & SECT_FLAGS_MEM_WRITE;
- iinfo->cli_sections [section] = raw_buffer_load (
+ iinfo->cli_sections [section] = mono_raw_buffer_load (
fileno (image->f), writable,
sect->st_raw_data_ptr, sect->st_raw_data_size);
int
mono_image_ensure_section (MonoImage *image, const char *section)
{
- cli_image_info_t *ii = image->image_info;
+ MonoCLIImageInfo *ii = image->image_info;
int i;
for (i = 0; i < ii->cli_section_count; i++){
}
static int
-load_section_tables (MonoImage *image, cli_image_info_t *iinfo)
+load_section_tables (MonoImage *image, MonoCLIImageInfo *iinfo)
{
const int top = iinfo->cli_header.coff.coff_sections;
int i;
iinfo->cli_section_count = top;
- iinfo->cli_section_tables = g_new0 (section_table_t, top);
+ iinfo->cli_section_tables = g_new0 (MonoSectionTable, top);
iinfo->cli_sections = g_new0 (void *, top);
for (i = 0; i < top; i++){
- section_table_t *t = &iinfo->cli_section_tables [i];
+ MonoSectionTable *t = &iinfo->cli_section_tables [i];
- if (fread (t, sizeof (section_table_t), 1, image->f) != 1)
+ if (fread (t, sizeof (MonoSectionTable), 1, image->f) != 1)
return FALSE;
- t->st_virtual_size = le32_to_cpu (t->st_virtual_size);
- t->st_virtual_address = le32_to_cpu (t->st_virtual_address);
- t->st_raw_data_size = le32_to_cpu (t->st_raw_data_size);
- t->st_raw_data_ptr = le32_to_cpu (t->st_raw_data_ptr);
- t->st_reloc_ptr = le32_to_cpu (t->st_reloc_ptr);
- t->st_lineno_ptr = le32_to_cpu (t->st_lineno_ptr);
- t->st_reloc_count = le16_to_cpu (t->st_reloc_count);
- t->st_line_count = le16_to_cpu (t->st_line_count);
+#if G_BYTE_ORDER != G_LITTLE_ENDIAN
+ t->st_virtual_size = GUINT32_FROM_LE (t->st_virtual_size);
+ t->st_virtual_address = GUINT32_FROM_LE (t->st_virtual_address);
+ t->st_raw_data_size = GUINT32_FROM_LE (t->st_raw_data_size);
+ t->st_raw_data_ptr = GUINT32_FROM_LE (t->st_raw_data_ptr);
+ t->st_reloc_ptr = GUINT32_FROM_LE (t->st_reloc_ptr);
+ t->st_lineno_ptr = GUINT32_FROM_LE (t->st_lineno_ptr);
+ t->st_reloc_count = GUINT16_FROM_LE (t->st_reloc_count);
+ t->st_line_count = GUINT16_FROM_LE (t->st_line_count);
+ t->st_flags = GUINT32_FROM_LE (t->st_flags);
+#endif
+ /* consistency checks here */
}
for (i = 0; i < top; i++)
}
static gboolean
-load_cli_header (MonoImage *image, cli_image_info_t *iinfo)
+load_cli_header (MonoImage *image, MonoCLIImageInfo *iinfo)
{
guint32 offset;
int n;
- offset = cli_rva_image_map (iinfo, iinfo->cli_header.datadir.pe_cli_header.rva);
+ offset = mono_cli_rva_image_map (iinfo, iinfo->cli_header.datadir.pe_cli_header.rva);
if (offset == INVALID_ADDRESS)
return FALSE;
- if (fseek (image->f, offset, 0) != 0)
+ if (fseek (image->f, offset, SEEK_SET) != 0)
return FALSE;
- if ((n = fread (&iinfo->cli_cli_header, sizeof (cli_header_t), 1, image->f)) != 1)
+ if ((n = fread (&iinfo->cli_cli_header, sizeof (MonoCLIHeader), 1, image->f)) != 1)
return FALSE;
+#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)
+ SWAP32 (iinfo->cli_cli_header.ch_size);
+ SWAP32 (iinfo->cli_cli_header.ch_flags);
+ SWAP32 (iinfo->cli_cli_header.ch_entry_point);
+ SWAP16 (iinfo->cli_cli_header.ch_runtime_major);
+ SWAP16 (iinfo->cli_cli_header.ch_runtime_minor);
+ SWAPPDE (iinfo->cli_cli_header.ch_metadata);
+ SWAPPDE (iinfo->cli_cli_header.ch_resources);
+ SWAPPDE (iinfo->cli_cli_header.ch_strong_name);
+ SWAPPDE (iinfo->cli_cli_header.ch_code_manager_table);
+ SWAPPDE (iinfo->cli_cli_header.ch_vtable_fixups);
+ SWAPPDE (iinfo->cli_cli_header.ch_export_address_table_jumps);
+ SWAPPDE (iinfo->cli_cli_header.ch_eeinfo_table);
+ SWAPPDE (iinfo->cli_cli_header.ch_helper_table);
+ SWAPPDE (iinfo->cli_cli_header.ch_dynamic_info);
+ SWAPPDE (iinfo->cli_cli_header.ch_delay_load_info);
+ SWAPPDE (iinfo->cli_cli_header.ch_module_image);
+ SWAPPDE (iinfo->cli_cli_header.ch_external_fixups);
+ SWAPPDE (iinfo->cli_cli_header.ch_ridmap);
+ SWAPPDE (iinfo->cli_cli_header.ch_debug_map);
+ SWAPPDE (iinfo->cli_cli_header.ch_ip_map);
+#undef SWAP32
+#undef SWAP16
+#undef SWAPPDE
+#endif
/* Catch new uses of the fields that are supposed to be zero */
if ((iinfo->cli_cli_header.ch_eeinfo_table.rva != 0) ||
(iinfo->cli_cli_header.ch_ridmap.rva != 0) ||
(iinfo->cli_cli_header.ch_debug_map.rva != 0) ||
(iinfo->cli_cli_header.ch_ip_map.rva != 0)){
- g_message ("Some fields in the CLI header which should have been zero are not zero");
+
+ /*
+ * No need to scare people who are testing this, I am just
+ * labelling this as a LAMESPEC
+ */
+ /* g_warning ("Some fields in the CLI header which should have been zero are not zero"); */
+
}
return TRUE;
}
static gboolean
-load_metadata_ptrs (MonoImage *image, cli_image_info_t *iinfo)
+load_metadata_ptrs (MonoImage *image, MonoCLIImageInfo *iinfo)
{
- metadata_t *metadata = &image->metadata;
guint32 offset, size;
guint16 streams;
int i;
char *ptr;
- offset = cli_rva_image_map (iinfo, iinfo->cli_cli_header.ch_metadata.rva);
+ offset = mono_cli_rva_image_map (iinfo, iinfo->cli_cli_header.ch_metadata.rva);
size = iinfo->cli_cli_header.ch_metadata.size;
- metadata->raw_metadata = raw_buffer_load (fileno (image->f), FALSE, offset, size);
- if (metadata->raw_metadata == NULL)
+ image->raw_metadata = mono_raw_buffer_load (fileno (image->f), FALSE, offset, size);
+ if (image->raw_metadata == NULL)
return FALSE;
- ptr = metadata->raw_metadata;
+ ptr = image->raw_metadata;
if (strncmp (ptr, "BSJB", 4) == 0){
guint32 version_string_len;
for (i = 0; i < streams; i++){
if (strncmp (ptr + 8, "#~", 3) == 0){
- metadata->heap_tables.sh_offset = read32 (ptr);
- metadata->heap_tables.sh_size = read32 (ptr + 4);
+ image->heap_tables.data = image->raw_metadata + read32 (ptr);
+ image->heap_tables.size = read32 (ptr + 4);
ptr += 8 + 3;
} else if (strncmp (ptr + 8, "#Strings", 9) == 0){
- metadata->heap_strings.sh_offset = read32 (ptr);
- metadata->heap_strings.sh_size = read32 (ptr + 4);
+ image->heap_strings.data = image->raw_metadata + read32 (ptr);
+ image->heap_strings.size = read32 (ptr + 4);
ptr += 8 + 9;
} else if (strncmp (ptr + 8, "#US", 4) == 0){
- metadata->heap_us.sh_offset = read32 (ptr);
- metadata->heap_us.sh_size = read32 (ptr + 4);
+ image->heap_us.data = image->raw_metadata + read32 (ptr);
+ image->heap_us.size = read32 (ptr + 4);
ptr += 8 + 4;
} else if (strncmp (ptr + 8, "#Blob", 6) == 0){
- metadata->heap_blob.sh_offset = read32 (ptr);
- metadata->heap_blob.sh_size = read32 (ptr + 4);
+ image->heap_blob.data = image->raw_metadata + read32 (ptr);
+ image->heap_blob.size = read32 (ptr + 4);
ptr += 8 + 6;
} else if (strncmp (ptr + 8, "#GUID", 6) == 0){
- metadata->heap_guid.sh_offset = read32 (ptr);
- metadata->heap_guid.sh_size = read32 (ptr + 4);
+ image->heap_guid.data = image->raw_metadata + read32 (ptr);
+ image->heap_guid.size = read32 (ptr + 4);
ptr += 8 + 6;
- } else
+ } else {
g_message ("Unknown heap type: %s\n", ptr + 8);
+ ptr += 8 + strlen (ptr) + 1;
+ }
if (((guint32)ptr) % 4){
ptr += 4 - (((guint32)ptr) % 4);
}
* Load representation of logical metadata tables, from the "#~" stream
*/
static gboolean
-load_tables (MonoImage *image, metadata_t *meta)
+load_tables (MonoImage *image)
{
- char *heap_tables = meta->raw_metadata + meta->heap_tables.sh_offset;
- guint32 *rows;
+ const char *heap_tables = image->heap_tables.data;
+ const guint32 *rows;
guint64 valid_mask;
int valid = 0, table;
int heap_sizes;
heap_sizes = heap_tables [6];
- meta->idx_string_wide = ((heap_sizes & 0x01) == 1);
- meta->idx_guid_wide = ((heap_sizes & 0x02) == 2);
- meta->idx_blob_wide = ((heap_sizes & 0x04) == 4);
+ image->idx_string_wide = ((heap_sizes & 0x01) == 1);
+ image->idx_guid_wide = ((heap_sizes & 0x02) == 2);
+ image->idx_blob_wide = ((heap_sizes & 0x04) == 4);
valid_mask = read64 (heap_tables + 8);
- rows = (guint32 *) (heap_tables + 24);
+ rows = (const guint32 *) (heap_tables + 24);
for (table = 0; table < 64; table++){
if ((valid_mask & ((guint64) 1 << table)) == 0){
- meta->tables [table].rows = 0;
+ image->tables [table].rows = 0;
continue;
}
if (table > 0x2b) {
g_warning("bits in valid must be zero above 0x2b (II - 23.1.6)");
}
- meta->tables [table].rows = read32 (rows);
+ image->tables [table].rows = read32 (rows);
rows++;
valid++;
}
- meta->tables_base = (heap_tables + 24) + (4 * valid);
+ image->tables_base = (heap_tables + 24) + (4 * valid);
/* They must be the same */
- g_assert ((void *) meta->tables_base == (void *) rows);
+ g_assert ((const void *) image->tables_base == (const void *) rows);
- mono_metadata_compute_table_bases (meta);
+ mono_metadata_compute_table_bases (image);
return TRUE;
}
static gboolean
-load_metadata (MonoImage *image, cli_image_info_t *iinfo)
+load_metadata (MonoImage *image, MonoCLIImageInfo *iinfo)
{
if (!load_metadata_ptrs (image, iinfo))
return FALSE;
- return load_tables (image, &image->metadata);
+ return load_tables (image);
+}
+
+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;
+ GHashTable *nspace_table;
+ GHashTable *name_cache = image->name_cache;
+ guint32 i, visib;
+
+ 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]);
+ 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);
+ }
+ g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
+ }
}
static MonoImage *
-do_mono_image_open (const char *fname, enum MonoImageOpenStatus *status)
+do_mono_image_open (const char *fname, MonoImageOpenStatus *status)
{
- cli_image_info_t *iinfo;
- dotnet_header_t *header;
- msdos_header_t msdos;
+ MonoCLIImageInfo *iinfo;
+ MonoDotNetHeader *header;
+ MonoMSDOSHeader msdos;
MonoImage *image;
int n;
image = g_new0 (MonoImage, 1);
- image->f = fopen (fname, "r");
+ image->f = fopen (fname, "rb");
image->name = g_strdup (fname);
- iinfo = g_new0 (cli_image_info_t, 1);
+ iinfo = g_new0 (MonoCLIImageInfo, 1);
image->image_info = iinfo;
image->method_cache = g_hash_table_new (g_direct_hash, g_direct_equal);
image->class_cache = g_hash_table_new (g_direct_hash, g_direct_equal);
+ image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
+ image->array_cache = g_hash_table_new (g_direct_hash, g_direct_equal);
header = &iinfo->cli_header;
if (fread (&msdos, sizeof (msdos), 1, image->f) != 1)
goto invalid_image;
- if (!(msdos.msdos_header [0] == 0x4d && msdos.msdos_header [1] == 0x5a))
+ if (!(msdos.msdos_header [0] == 'M' && msdos.msdos_header [1] == 'Z'))
goto invalid_image;
- if ((n = fread (header, sizeof (dotnet_header_t), 1, image->f)) != 1)
+ msdos.pe_offset = GUINT32_FROM_LE (msdos.pe_offset);
+
+ if (msdos.pe_offset != sizeof (msdos))
+ fseek (image->f, msdos.pe_offset, SEEK_SET);
+
+ if ((n = fread (header, sizeof (MonoDotNetHeader), 1, image->f)) != 1)
+ goto invalid_image;
+
+#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)
+ SWAP32 (header->coff.coff_time);
+ SWAP32 (header->coff.coff_symptr);
+ SWAP32 (header->coff.coff_symcount);
+ SWAP16 (header->coff.coff_machine);
+ SWAP16 (header->coff.coff_sections);
+ SWAP16 (header->coff.coff_opt_header_size);
+ 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);
+
+ /* 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 */
+ SWAP16 (header->nt.pe_os_minor); /* must be 0 */
+ SWAP16 (header->nt.pe_user_major);
+ SWAP16 (header->nt.pe_user_minor);
+ SWAP16 (header->nt.pe_subsys_major);
+ SWAP16 (header->nt.pe_subsys_minor);
+ SWAP32 (header->nt.pe_reserved_1);
+ SWAP32 (header->nt.pe_image_size);
+ SWAP32 (header->nt.pe_header_size);
+ 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);
+
+ /* MonoDotNetHeader: mostly unused */
+ SWAPPDE (header->datadir.pe_export_table);
+ SWAPPDE (header->datadir.pe_import_table);
+ SWAPPDE (header->datadir.pe_resource_table);
+ SWAPPDE (header->datadir.pe_exception_table);
+ SWAPPDE (header->datadir.pe_certificate_table);
+ SWAPPDE (header->datadir.pe_reloc_table);
+ SWAPPDE (header->datadir.pe_debug);
+ SWAPPDE (header->datadir.pe_copyright);
+ SWAPPDE (header->datadir.pe_global_ptr);
+ SWAPPDE (header->datadir.pe_tls_table);
+ SWAPPDE (header->datadir.pe_load_config_table);
+ SWAPPDE (header->datadir.pe_bound_import);
+ SWAPPDE (header->datadir.pe_iat);
+ SWAPPDE (header->datadir.pe_delay_import_desc);
+ SWAPPDE (header->datadir.pe_cli_header);
+ SWAPPDE (header->datadir.pe_reserved);
+
+#undef SWAP32
+#undef SWAP16
+#undef SWAPPDE
+#endif
+
+ if (header->coff.coff_machine != 0x14c)
+ goto invalid_image;
+
+ if (header->coff.coff_opt_header_size != (sizeof (MonoDotNetHeader) - sizeof (MonoCOFFHeader) - 4))
+ goto invalid_image;
+
+ if (header->pesig[0] != 'P' || header->pesig[1] != 'E' || header->pe.pe_magic != 0x10B)
+ goto invalid_image;
+
+ if (header->pe.pe_major != 6 || header->pe.pe_minor != 0)
goto invalid_image;
/*
if (!load_metadata (image, iinfo))
goto invalid_image;
-
+
+ load_class_names (image);
+
+ image->assembly_name = mono_metadata_string_heap (image,
+ mono_metadata_decode_row_col (&image->tables [MONO_TABLE_ASSEMBLY],
+ 0, MONO_ASSEMBLY_NAME));
+
if (status)
*status = MONO_IMAGE_OK;
return NULL;
}
+MonoImage *
+mono_image_loaded (const char *name) {
+ if (loaded_images_hash)
+ return g_hash_table_lookup (loaded_images_hash, name);
+ return NULL;
+}
+
/**
* mono_image_open:
* @fname: filename that points to the module we want to open
* if NULL, then check the value of @status for details on the error
*/
MonoImage *
-mono_image_open (const char *fname, enum MonoImageOpenStatus *status)
+mono_image_open (const char *fname, MonoImageOpenStatus *status)
{
MonoImage *image;
if (!loaded_images_hash)
loaded_images_hash = g_hash_table_new (g_str_hash, g_str_equal);
g_hash_table_insert (loaded_images_hash, image->name, image);
-
+ g_hash_table_insert (loaded_images_hash, (char *) image->assembly_name, image);
+
return image;
}
+static void
+free_hash_table(gpointer key, gpointer val, gpointer user_data)
+{
+ g_hash_table_destroy ((GHashTable*)val);
+}
+
/**
* mono_image_close:
* @image: The image file we wish to close
fclose (image->f);
g_free (image->name);
+
+ g_hash_table_destroy (image->method_cache);
+ g_hash_table_destroy (image->class_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);
- if (image->metadata.raw_metadata != NULL)
- raw_buffer_free (image->metadata.raw_metadata);
+ if (image->raw_metadata != NULL)
+ mono_raw_buffer_free (image->raw_metadata);
if (image->image_info){
- cli_image_info_t *ii = image->image_info;
+ MonoCLIImageInfo *ii = image->image_info;
int i;
for (i = 0; i < ii->cli_section_count; i++){
if (!ii->cli_sections [i])
continue;
- raw_buffer_free (ii->cli_sections [i]);
+ mono_raw_buffer_free (ii->cli_sections [i]);
}
if (ii->cli_section_tables)
g_free (ii->cli_section_tables);
* Returns: a string describing the error
*/
const char *
-mono_image_strerror (enum MonoImageOpenStatus status)
+mono_image_strerror (MonoImageOpenStatus status)
{
switch (status){
case MONO_IMAGE_OK:
projects / mono.git / blobdiff