/*
* metadata.c: Routines for accessing the metadata
*
- * Author:
+ * Authors:
* Miguel de Icaza (miguel@ximian.com)
+ * Paolo Molaro (lupus@ximian.com)
*
- * (C) 2001 Ximian, Inc.
+ * (C) 2001-2002 Ximian, Inc.
*/
#include <config.h>
#include "private.h"
#include "class.h"
-static void do_mono_metadata_parse_type (MonoType *type, MonoMetadata *m, const char *ptr, const char **rptr);
+static void do_mono_metadata_parse_type (MonoType *type, MonoImage *m, const char *ptr, const char **rptr);
/*
* Encoding of the "description" argument:
#define idx_size(tableidx) (meta->tables [(tableidx)].rows < 65536 ? 2 : 4)
/* Reference: Partition II - 23.2.6 */
+/*
+ * mono_metadata_compute_size:
+ * @meta: metadata context
+ * @tableindex: metadata table number
+ * @result_bitfield: pointer to guint32 where to store additional info
+ *
+ * mono_metadata_compute_size() computes the lenght in bytes of a single
+ * row in a metadata table. The size of each column is encoded in the
+ * @result_bitfield return value along with the number of columns in the table.
+ * the resulting bitfield should be handed to the mono_metadata_table_size()
+ * and mono_metadata_table_count() macros.
+ */
int
-mono_metadata_compute_size (MonoMetadata *meta, int tableindex, guint32 *result_bitfield)
+mono_metadata_compute_size (MonoImage *meta, int tableindex, guint32 *result_bitfield)
{
guint32 bitfield = 0;
int size = 0, field_size;
n = MAX (n, meta->tables [MONO_TABLE_INTERFACEIMPL].rows);
n = MAX (n, meta->tables [MONO_TABLE_MEMBERREF].rows);
n = MAX (n, meta->tables [MONO_TABLE_MODULE].rows);
- /* Permission seems to be a blob heap pointer */
+ n = MAX (n, meta->tables [MONO_TABLE_DECLSECURITY].rows);
n = MAX (n, meta->tables [MONO_TABLE_PROPERTY].rows);
n = MAX (n, meta->tables [MONO_TABLE_EVENT].rows);
- /* Signature seems to be a blob heap pointer */
+ n = MAX (n, meta->tables [MONO_TABLE_STANDALONESIG].rows);
n = MAX (n, meta->tables [MONO_TABLE_MODULEREF].rows);
n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLY].rows);
* This is an internal function used by the image loader code.
*/
void
-mono_metadata_compute_table_bases (MonoMetadata *meta)
+mono_metadata_compute_table_bases (MonoImage *meta)
{
int i;
- char *base = meta->tables_base;
+ const char *base = meta->tables_base;
for (i = 0; i < 64; i++){
if (meta->tables [i].rows == 0)
* Returns a pointer to the @idx element in the metadata table
* whose code is @table.
*/
-char *
-mono_metadata_locate (MonoMetadata *meta, int table, int idx)
+const char *
+mono_metadata_locate (MonoImage *meta, int table, int idx)
{
/* idx == 0 refers always to NULL */
g_return_val_if_fail (idx > 0 && idx <= meta->tables [table].rows, "");
return meta->tables [table].base + (meta->tables [table].row_size * (idx - 1));
}
-char *
-mono_metadata_locate_token (MonoMetadata *meta, guint32 token)
+/**
+ * mono_metadata_locate_token:
+ * @meta: metadata context
+ * @token: metadata token
+ *
+ * Returns a pointer to the data in the metadata represented by the
+ * token #token.
+ */
+const char *
+mono_metadata_locate_token (MonoImage *meta, guint32 token)
{
return mono_metadata_locate (meta, token >> 24, token & 0xffffff);
}
* Returns: an in-memory pointer to the @index in the string heap.
*/
const char *
-mono_metadata_string_heap (MonoMetadata *meta, guint32 index)
+mono_metadata_string_heap (MonoImage *meta, guint32 index)
{
g_return_val_if_fail (index < meta->heap_strings.size, "");
- return meta->raw_metadata + meta->heap_strings.offset + index;
+ return meta->heap_strings.data + index;
}
+/**
+ * mono_metadata_user_string:
+ * @meta: metadata context
+ * @index: index into the user string heap.
+ *
+ * Returns: an in-memory pointer to the @index in the user string heap ("#US").
+ */
const char *
-mono_metadata_user_string (MonoMetadata *meta, guint32 index)
+mono_metadata_user_string (MonoImage *meta, guint32 index)
{
g_return_val_if_fail (index < meta->heap_us.size, "");
- return meta->raw_metadata + meta->heap_us.offset + index;
+ return meta->heap_us.data + index;
}
/**
* Returns: an in-memory pointer to the @index in the Blob heap.
*/
const char *
-mono_metadata_blob_heap (MonoMetadata *meta, guint32 index)
+mono_metadata_blob_heap (MonoImage *meta, guint32 index)
{
g_return_val_if_fail (index < meta->heap_blob.size, "");
- return meta->raw_metadata + meta->heap_blob.offset + index;
+ return meta->heap_blob.data + index;
+}
+
+/**
+ * mono_metadata_guid_heap:
+ * @meta: metadata context
+ * @index: index into the guid heap.
+ *
+ * Returns: an in-memory pointer to the @index in the guid heap.
+ */
+const char *
+mono_metadata_guid_heap (MonoImage *meta, guint32 index)
+{
+ --index;
+ index *= 16; /* adjust for guid size and 1-based index */
+ g_return_val_if_fail (index < meta->heap_guid.size, "");
+ return meta->heap_guid.data + index;
}
static const char *
{
guint32 bitfield = t->size_bitfield;
int i, count = mono_metadata_table_count (bitfield);
- char *data = t->base + idx * t->row_size;
+ const char *data = t->base + idx * t->row_size;
g_assert (res_size == count);
{
guint32 bitfield = t->size_bitfield;
int i;
- register char *data = t->base + idx * t->row_size;
+ register const char *data = t->base + idx * t->row_size;
register int n;
g_assert (col < mono_metadata_table_count (bitfield));
guint32
mono_metadata_decode_value (const char *_ptr, const char **rptr)
{
- const unsigned char *ptr = (unsigned char *) _ptr;
+ const unsigned char *ptr = (const unsigned char *) _ptr;
unsigned char b = *ptr;
guint32 len;
return len;
}
+/*
+ * mono_metadata_parse_typedef_or_ref:
+ * @m: a metadata context.
+ * @ptr: a pointer to an encoded TypedefOrRef in @m
+ * @rptr: pointer updated to match the end of the decoded stream
+ *
+ * Returns: a token valid in the @m metadata decoded from
+ * the compressed representation.
+ */
guint32
-mono_metadata_parse_typedef_or_ref (MonoMetadata *m, const char *ptr, const char **rptr)
+mono_metadata_parse_typedef_or_ref (MonoImage *m, const char *ptr, const char **rptr)
{
guint32 token;
token = mono_metadata_decode_value (ptr, &ptr);
return mono_metadata_token_from_dor (token);
}
+/*
+ * mono_metadata_parse_custom_mod:
+ * @m: a metadata context.
+ * @dest: storage where the info about the custom modifier is stored (may be NULL)
+ * @ptr: a pointer to (possibly) the start of a custom modifier list
+ * @rptr: pointer updated to match the end of the decoded stream
+ *
+ * Checks if @ptr points to a type custom modifier compressed representation.
+ *
+ * Returns: #TRUE if a custom modifier was found, #FALSE if not.
+ */
int
-mono_metadata_parse_custom_mod (MonoMetadata *m, MonoCustomMod *dest, const char *ptr, const char **rptr)
+mono_metadata_parse_custom_mod (MonoImage *m, MonoCustomMod *dest, const char *ptr, const char **rptr)
{
MonoCustomMod local;
if ((*ptr == MONO_TYPE_CMOD_OPT) ||
return FALSE;
}
+/*
+ * mono_metadata_parse_array:
+ * @m: a metadata context.
+ * @ptr: a pointer to an encoded array description.
+ * @rptr: pointer updated to match the end of the decoded stream
+ *
+ * Decodes the compressed array description found in the metadata @m at @ptr.
+ *
+ * Returns: a #MonoArrayType structure describing the array type
+ * and dimensions.
+ */
MonoArrayType *
-mono_metadata_parse_array (MonoMetadata *m, const char *ptr, const char **rptr)
+mono_metadata_parse_array (MonoImage *m, const char *ptr, const char **rptr)
{
int i;
MonoArrayType *array = g_new0 (MonoArrayType, 1);
return array;
}
+/*
+ * mono_metadata_free_array:
+ * @array: array description
+ *
+ * Frees the array description returned from mono_metadata_parse_array().
+ */
void
mono_metadata_free_array (MonoArrayType *array)
{
/*
* MonoTypes with modifies are never cached, so we never check or use that field.
*/
-static int
-mono_type_hash (MonoType *type)
+static guint
+mono_type_hash (gconstpointer data)
{
+ const MonoType *type = (const MonoType *) data;
return type->type | (type->byref << 8) | (type->attrs << 9);
}
-static gboolean
-mono_type_equal (MonoType *a, MonoType *b)
+static gint
+mono_type_equal (gconstpointer ka, gconstpointer kb)
{
+ const MonoType *a = (const MonoType *) ka;
+ const MonoType *b = (const MonoType *) kb;
+
if (a->type != b->type || a->byref != b->byref || a->attrs != b->attrs || a->pinned != b->pinned)
return 0;
/* need other checks */
return 1;
}
+/*
+ * mono_metadata_parse_type:
+ * @m: metadata context
+ * @mode: king of type that may be found at @ptr
+ * @opt_attrs: optional attributes to store in the returned type
+ * @ptr: pointer to the type representation
+ * @rptr: pointer updated to match the end of the decoded stream
+ *
+ * Decode a compressed type description found at @ptr in @m.
+ * @mode can be one of MONO_PARSE_MOD_TYPE, MONO_PARSE_PARAM, MONO_PARSE_RET,
+ * MONO_PARSE_FIELD, MONO_PARSE_LOCAL, MONO_PARSE_TYPE.
+ * This function can be used to decode type descriptions in method signatures,
+ * field signatures, locals signatures etc.
+ *
+ * Returns: a #MonoType structure representing the decoded type.
+ */
MonoType*
-mono_metadata_parse_type (MonoMetadata *m, MonoParseTypeMode mode, short opt_attrs, const char *ptr, const char **rptr)
+mono_metadata_parse_type (MonoImage *m, MonoParseTypeMode mode, short opt_attrs, const char *ptr, const char **rptr)
{
MonoType *type, *cached;
if (!type_cache) {
int i;
type_cache = g_hash_table_new (mono_type_hash, mono_type_equal);
- for (i=0; i < NBUILTIN_TYPES (); ++i)
+
+ for (i = 0; i < NBUILTIN_TYPES (); ++i)
g_hash_table_insert (type_cache, &builtin_types [i], &builtin_types [i]);
}
}
}
+/*
+ * mono_metadata_parse_signature:
+ * @image: metadata context
+ * @toke: metadata token
+ *
+ * Decode a method signature stored in the STANDALONESIG table
+ *
+ * Returns: a MonoMethodSignature describing the signature.
+ */
+MonoMethodSignature *
+mono_metadata_parse_signature (MonoImage *image, guint32 token)
+{
+ MonoTableInfo *tables = image->tables;
+ guint32 idx = mono_metadata_token_index (token);
+ guint32 sig;
+ const char *ptr;
+
+ g_assert (mono_metadata_token_table(token) == MONO_TABLE_STANDALONESIG);
+
+ sig = mono_metadata_decode_row_col (&tables [MONO_TABLE_STANDALONESIG], idx - 1, 0);
+
+ ptr = mono_metadata_blob_heap (image, sig);
+ mono_metadata_decode_blob_size (ptr, &ptr);
+
+ return mono_metadata_parse_method_signature (image, FALSE, ptr, NULL);
+}
+
+/*
+ * mono_metadata_parse_method_signature:
+ * @m: metadata context
+ * @def: use #TRUE when parsing MethodDef, #FALSE with MethodRef signatures.
+ * @ptr: pointer to the signature metadata representation
+ * @rptr: pointer updated to match the end of the decoded stream
+ *
+ * Decode a method signature stored at @ptr.
+ *
+ * Returns: a MonoMethodSignature describing the signature.
+ */
MonoMethodSignature *
-mono_metadata_parse_method_signature (MonoMetadata *m, int def, const char *ptr, const char **rptr)
+mono_metadata_parse_method_signature (MonoImage *m, int def, const char *ptr, const char **rptr)
{
MonoMethodSignature *method;
- int i, align, offset = 0;
+ int i;
guint32 hasthis = 0, explicit_this = 0, call_convention, param_count;
if (*ptr & 0x20)
method->call_convention = call_convention;
method->ret = mono_metadata_parse_type (m, MONO_PARSE_RET, 0, ptr, &ptr);
- if (method->hasthis)
- offset += sizeof(gpointer);
if (method->param_count) {
- int size;
-
method->sentinelpos = -1;
for (i = 0; i < method->param_count; ++i) {
ptr++;
}
method->params [i] = mono_metadata_parse_type (m, MONO_PARSE_PARAM, 0, ptr, &ptr);
- size = mono_type_size (method->params [i], &align);
- offset += align - 1;
- offset &= ~(align - 1);
- offset += size;
}
}
- method->params_size = offset;
if (rptr)
*rptr = ptr;
return method;
}
+/*
+ * mono_metadata_free_method_signature:
+ * @sig: signature to destroy
+ *
+ * Free the memory allocated in the signature @sig.
+ */
void
-mono_metadata_free_method_signature (MonoMethodSignature *method)
+mono_metadata_free_method_signature (MonoMethodSignature *sig)
{
int i;
- mono_metadata_free_type (method->ret);
- for (i = 0; i < method->param_count; ++i)
- mono_metadata_free_type (method->params [i]);
+ mono_metadata_free_type (sig->ret);
+ for (i = 0; i < sig->param_count; ++i)
+ mono_metadata_free_type (sig->params [i]);
- g_free (method);
+ g_free (sig);
}
/*
* This extracts a Type as specified in Partition II (22.2.12)
*/
static void
-do_mono_metadata_parse_type (MonoType *type, MonoMetadata *m, const char *ptr, const char **rptr)
+do_mono_metadata_parse_type (MonoType *type, MonoImage *m, const char *ptr, const char **rptr)
{
type->type = mono_metadata_decode_value (ptr, &ptr);
*rptr = ptr;
}
-#if 0
-/**
- * mono_metadata_parse_type:
- * @m: metadata context to scan
- * @ptr: pointer to encoded Type stream.
- * @rptr: the new position in the stream after parsing the type
+/*
+ * mono_metadata_free_type:
+ * @type: type to free
*
- * Returns: A MonoType structure that has the parsed information
- * from the type stored at @ptr in the metadata table @m.
+ * Free the memory allocated for type @type.
*/
-MonoType *
-mono_metadata_parse_type (MonoMetadata *m, const char *ptr, const char **rptr)
-{
- /* should probably be allocated in a memchunk */
- MonoType *type = g_new0(MonoType, 1);
-
- do_mono_metadata_parse_type (type, m, ptr, rptr);
-
- return type;
-}
-#endif
-
void
mono_metadata_free_type (MonoType *type)
{
g_free (type);
}
+#if 0
static void
hex_dump (const char *buffer, int base, int count)
{
}
fflush (stdout);
}
+#endif
/**
* @mh: The Method header
mh->clauses = g_new0 (MonoExceptionClause, mh->num_clauses);
for (i = 0; i < mh->num_clauses; ++i) {
MonoExceptionClause *ec = &mh->clauses [i];
+
if (is_fat) {
/* we could memcpy and byteswap */
ec->flags = read32 (p);
}
/* g_print ("try %d: %x %04x-%04x %04x\n", i, ec->flags, ec->try_offset, ec->try_offset+ec->try_len, ec->try_len); */
}
+
}
if (sect_data_flags & METHOD_HEADER_SECTION_MORE_SECTS)
ptr += sect_data_len - 4; /* LAMESPEC: it seems the size includes the header */
}
}
+/*
+ * mono_metadata_parse_mh:
+ * @m: metadata context
+ * @ptr: pointer to the method header.
+ *
+ * Decode the method header at @ptr, including pointer to the IL code,
+ * info about local variables and optional exception tables.
+ *
+ * Returns: a MonoMethodHeader.
+ */
MonoMethodHeader *
-mono_metadata_parse_mh (MonoMetadata *m, const char *ptr)
+mono_metadata_parse_mh (MonoImage *m, const char *ptr)
{
MonoMethodHeader *mh;
- unsigned char flags = *(unsigned char *) ptr;
+ unsigned char flags = *(const unsigned char *) ptr;
unsigned char format = flags & METHOD_HEADER_FORMAT_MASK;
guint16 fat_flags;
guint32 local_var_sig_tok, max_stack, code_size, init_locals;
if (local_var_sig_tok) {
MonoTableInfo *t = &m->tables [MONO_TABLE_STANDALONESIG];
- const char *ptr;
+ const char *locals_ptr;
guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
int len=0, i, bsize;
- guint offset = 0;
mono_metadata_decode_row (t, (local_var_sig_tok & 0xffffff)-1, cols, 1);
- ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
- bsize = mono_metadata_decode_blob_size (ptr, &ptr);
- if (*ptr != 0x07)
+ locals_ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
+ bsize = mono_metadata_decode_blob_size (locals_ptr, &locals_ptr);
+ if (*locals_ptr != 0x07)
g_warning ("wrong signature for locals blob");
- ptr++;
- len = mono_metadata_decode_value (ptr, &ptr);
+ locals_ptr++;
+ len = mono_metadata_decode_value (locals_ptr, &locals_ptr);
mh = g_malloc0 (sizeof (MonoMethodHeader) + (len - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType*));
mh->num_locals = len;
- for (i = 0; i < len; ++i) {
- int val;
- int align;
- mh->locals [i] = mono_metadata_parse_type (m, MONO_PARSE_LOCAL, 0, ptr, &ptr);
-
- val = mono_type_size (mh->locals [i], &align);
- offset += align - 1;
- offset &= ~(align - 1);
- offset += val;
- }
- mh->locals_size = offset;
+ for (i = 0; i < len; ++i)
+ mh->locals [i] = mono_metadata_parse_type (m, MONO_PARSE_LOCAL, 0, locals_ptr, &locals_ptr);
} else {
mh = g_new0 (MonoMethodHeader, 1);
}
return mh;
}
+/*
+ * mono_metadata_free_mh:
+ * @mh: a method header
+ *
+ * Free the memory allocated for the method header.
+ */
void
mono_metadata_free_mh (MonoMethodHeader *mh)
{
* mono_metadata_parse_field_type:
* @m: metadata context to extract information from
* @ptr: pointer to the field signature
+ * @rptr: pointer updated to match the end of the decoded stream
*
* Parses the field signature, and returns the type information for it.
*
* Returns: The MonoType that was extracted from @ptr.
*/
MonoType *
-mono_metadata_parse_field_type (MonoMetadata *m, short field_flags, const char *ptr, const char **rptr)
+mono_metadata_parse_field_type (MonoImage *m, short field_flags, const char *ptr, const char **rptr)
{
return mono_metadata_parse_type (m, MONO_PARSE_FIELD, field_flags, ptr, rptr);
}
+/**
+ * mono_metadata_parse_param:
+ * @m: metadata context to extract information from
+ * @ptr: pointer to the param signature
+ * @rptr: pointer updated to match the end of the decoded stream
+ *
+ * Parses the param signature, and returns the type information for it.
+ *
+ * Returns: The MonoType that was extracted from @ptr.
+ */
MonoType *
-mono_metadata_parse_param (MonoMetadata *m, const char *ptr, const char **rptr)
+mono_metadata_parse_param (MonoImage *m, const char *ptr, const char **rptr)
{
return mono_metadata_parse_type (m, MONO_PARSE_PARAM, 0, ptr, rptr);
}
typedef_locator (const void *a, const void *b)
{
locator_t *loc = (locator_t *) a;
- char *bb = (char *) b;
+ const char *bb = (const char *) b;
int typedef_index = (bb - loc->t->base) / loc->t->row_size;
guint32 col, col_next;
table_locator (const void *a, const void *b)
{
locator_t *loc = (locator_t *) a;
- char *bb = (char *) b;
+ const char *bb = (const char *) b;
guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
guint32 col;
return 1;
}
+/*
+ * mono_metadata_typedef_from_field:
+ * @meta: metadata context
+ * @index: FieldDef token
+ *
+ * Returns the 1-based index into the TypeDef table of the type that
+ * declared the field described by @index.
+ * Returns 0 if not found.
+ */
guint32
-mono_metadata_typedef_from_field (MonoMetadata *meta, guint32 index)
+mono_metadata_typedef_from_field (MonoImage *meta, guint32 index)
{
MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
locator_t loc;
return loc.result + 1;
}
+/*
+ * mono_metadata_typedef_from_method:
+ * @meta: metadata context
+ * @index: MethodDef token
+ *
+ * Returns the 1-based index into the TypeDef table of the type that
+ * declared the method described by @index.
+ * Returns 0 if not found.
+ */
guint32
-mono_metadata_typedef_from_method (MonoMetadata *meta, guint32 index)
+mono_metadata_typedef_from_method (MonoImage *meta, guint32 index)
{
MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
locator_t loc;
return loc.result + 1;
}
+/*
+ * mono_metadata_interfaces_from_typedef:
+ * @meta: metadata context
+ * @index: typedef token
+ *
+ * Returns and array of interfaces that the @index typedef token implements.
+ * The number of elemnts in the array is returned in @count.
+ */
MonoClass**
-mono_metadata_interfaces_from_typedef (MonoMetadata *meta, guint32 index, guint *count)
+mono_metadata_interfaces_from_typedef (MonoImage *meta, guint32 index, guint *count)
{
MonoTableInfo *tdef = &meta->tables [MONO_TABLE_INTERFACEIMPL];
locator_t loc;
return result;
}
+/*
+ * mono_metadata_nested_in_typedef:
+ * @meta: metadata context
+ * @index: typedef token
+ *
+ * Returns: the 1-based index into the TypeDef table of the type
+ * where the type described by @index is nested.
+ * Retruns 0 if @index describes a non-nested type.
+ */
+guint32
+mono_metadata_nested_in_typedef (MonoImage *meta, guint32 index)
+{
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
+ locator_t loc;
+
+ if (!tdef->base)
+ return 0;
+
+ loc.idx = mono_metadata_token_index (index);
+ loc.col_idx = MONO_NESTED_CLASS_NESTED;
+ loc.t = tdef;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
+ return mono_metadata_decode_row_col (tdef, loc.result, MONO_NESTED_CLASS_ENCLOSING) | MONO_TOKEN_TYPE_DEF;
+}
+
+/*
+ * mono_metadata_nesting_typedef:
+ * @meta: metadata context
+ * @index: typedef token
+ *
+ * Returns: the 1-based index into the TypeDef table of the first type
+ * that is nested inside the type described by @index.
+ * Retruns 0 if @index doesn't have nested types.
+ */
+guint32
+mono_metadata_nesting_typedef (MonoImage *meta, guint32 index)
+{
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
+ locator_t loc;
+ guint32 start;
+
+ if (!tdef->base)
+ return 0;
+
+ loc.idx = mono_metadata_token_index (index);
+ loc.col_idx = MONO_NESTED_CLASS_ENCLOSING;
+ loc.t = tdef;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ start = loc.result;
+
+ while (start > 0) {
+ if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
+ start--;
+ else
+ break;
+ }
+
+ /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
+ return start + 1;
+}
+
+/*
+ * mono_metadata_packing_from_typedef:
+ * @meta: metadata context
+ * @index: token representing a type
+ *
+ * Returns the info stored in the ClassLAyout table for the given typedef token
+ * into the @packing and @size pointers.
+ * Returns 0 if the info is not found.
+ */
+guint32
+mono_metadata_packing_from_typedef (MonoImage *meta, guint32 index, guint32 *packing, guint32 *size)
+{
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CLASSLAYOUT];
+ locator_t loc;
+ guint32 cols [MONO_CLASS_LAYOUT_SIZE];
+
+ if (!tdef->base)
+ return 0;
+
+ loc.idx = mono_metadata_token_index (index);
+ loc.col_idx = MONO_CLASS_LAYOUT_PARENT;
+ loc.t = tdef;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ mono_metadata_decode_row (tdef, loc.result, cols, MONO_CLASS_LAYOUT_SIZE);
+ if (packing)
+ *packing = cols [MONO_CLASS_LAYOUT_PACKING_SIZE];
+ if (size)
+ *size = cols [MONO_CLASS_LAYOUT_CLASS_SIZE];
+
+ /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
+ return loc.result + 1;
+}
+
#ifndef __GNUC__
#define __alignof__(a) sizeof(a)
#endif
case MONO_TYPE_VALUETYPE: {
guint32 size;
- size = mono_class_value_size (t->data.klass, align);
- return size;
+ if (!t->data.klass->size_inited)
+ mono_class_init (t->data.klass);
+
+ if (t->data.klass->enumtype) {
+ return mono_type_size (t->data.klass->enum_basetype, align);
+ } else {
+ size = mono_class_value_size (t->data.klass, align);
+ return size;
+ }
}
case MONO_TYPE_CLASS:
case MONO_TYPE_SZARRAY:
return 0;
}
+/*
+ * mono_type_stack_size:
+ * @t: the type to return the size it uses on the stack
+ *
+ * Returns: the number of bytes required to hold an instance of this
+ * type on the runtime stack
+ */
+int
+mono_type_stack_size (MonoType *t, gint *align)
+{
+ g_assert (t != NULL);
+
+ if (t->byref) {
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ }
+
+ switch (t->type){
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
+ case MONO_TYPE_ARRAY:
+ case MONO_TYPE_TYPEDBYREF:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ case MONO_TYPE_R4:
+ *align = __alignof__(float);
+ return 4;
+
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ *align = __alignof__(gint64);
+ case MONO_TYPE_R8:
+ *align = __alignof__(double);
+ return 8;
+
+ case MONO_TYPE_VALUETYPE: {
+ guint32 size;
+
+ if (t->data.klass->enumtype)
+ return mono_type_stack_size (t->data.klass->enum_basetype, align);
+ else {
+ size = mono_class_value_size (t->data.klass, align);
+ *align = __alignof__(gpointer);
+ return size;
+ }
+ }
+ default:
+ g_error ("type 0x%02x unknown", t->type);
+ }
+ return 0;
+}
+
+MonoType *
+mono_get_param_info (MonoMethodSignature *sig, int param_num, int *size, int *align)
+{
+ MonoType *type;
+ int s, a;
+
+ if (!size)
+ size = &s;
+
+ if (!align)
+ align = &a;
+
+ if (param_num == -1)
+ type = sig->ret;
+ else
+ type = sig->params [param_num];
+
+ if (sig->pinvoke && !type->byref && type->type == MONO_TYPE_VALUETYPE &&
+ !type->data.klass->enumtype) {
+ *size = mono_class_native_size (type->data.klass);
+ } else {
+ *size = mono_type_stack_size (type, align);
+ }
+
+ return type;
+}
+
+/*
+ * mono_metadata_type_hash:
+ * @t1: a type
+ *
+ * Computes an hash value for @t1 to be used in GHashTable.
+ */
+guint
+mono_metadata_type_hash (MonoType *t1)
+{
+ guint hash = t1->type;
+
+ hash |= t1->byref << 6; /* do not collide with t1->type values */
+ switch (t1->type) {
+ case MONO_TYPE_VALUETYPE:
+ case MONO_TYPE_CLASS:
+ /* check if the distribution is good enough */
+ return hash << 7 | g_str_hash (t1->data.klass->name);
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_SZARRAY:
+ return hash << 7 | mono_metadata_type_hash (t1->data.type);
+ }
+ return hash;
+}
+
+/*
+ * mono_metadata_type_equal:
+ * @t1: a type
+ * @t2: another type
+ *
+ * Determine if @t1 and @t2 represent the same type.
+ * Returns: #TRUE if @t1 and @t2 are equal.
+ */
gboolean
mono_metadata_type_equal (MonoType *t1, MonoType *t2)
{
case MONO_TYPE_VALUETYPE:
case MONO_TYPE_CLASS:
return t1->data.klass == t2->data.klass;
+ case MONO_TYPE_PTR:
case MONO_TYPE_SZARRAY:
return mono_metadata_type_equal (t1->data.type, t2->data.type);
+ case MONO_TYPE_ARRAY:
+ if (t1->data.array->rank != t2->data.array->rank)
+ return FALSE;
+ return mono_metadata_type_equal (t1->data.array->type, t2->data.array->type);
default:
g_error ("implement type compare for %0x!", t1->type);
return FALSE;
return FALSE;
}
+/*
+ * mono_metadata_signature_equal:
+ * @sig1: a signature
+ * @sig2: another signature
+ *
+ * Determine if @sig1 and @sig2 represent the same signature, with the
+ * same number of arguments and the same types.
+ * Returns: #TRUE if @sig1 and @sig2 are equal.
+ */
gboolean
mono_metadata_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
{
return FALSE;
}
+ if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
+ return FALSE;
return TRUE;
}
+guint
+mono_signature_hash (MonoMethodSignature *sig)
+{
+ guint i, res = sig->ret->type;
+
+ for (i = 0; i < sig->param_count; i++)
+ res = (res << 5) - res + sig->params[i]->type;
+
+ return res;
+}
+
+/*
+ * mono_metadata_encode_value:
+ * @value: value to encode
+ * @buf: buffer where to write the compressed representation
+ * @endbuf: pointer updated to point at the end of the encoded output
+ *
+ * Encodes the value @value in the compressed representation used
+ * in metadata and stores the result in @buf. @buf needs to be big
+ * enough to hold the data (4 bytes).
+ */
void
mono_metadata_encode_value (guint32 value, char *buf, char **endbuf)
{
*endbuf = p;
}
+/*
+ * mono_metadata_field_info:
+ * @meta: the Image the field is defined in
+ * @index: the index in the field table representing the field
+ * @offset: a pointer to an integer where to store the offset that
+ * may have been specified for the field in a FieldLayout table
+ * @rva: a pointer to the RVA of the field data in the image that
+ * may have been defined in a FieldRVA table
+ * @marshal_spec: a pointer to the marshal spec that may have been
+ * defined for the field in a FieldMarshal table.
+ *
+ * Gather info for field @index that may have been defined in the FieldLayout,
+ * FieldRVA and FieldMarshal tables.
+ * Either of offset, rva and marshal_spec can be NULL if you're not interested
+ * in the data.
+ */
+void
+mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
+ MonoMarshalSpec **marshal_spec)
+{
+ MonoTableInfo *tdef;
+ locator_t loc;
+
+ loc.idx = index + 1;
+ if (offset) {
+ tdef = &meta->tables [MONO_TABLE_FIELDLAYOUT];
+
+ loc.col_idx = MONO_FIELD_LAYOUT_FIELD;
+ loc.t = tdef;
+
+ if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
+ *offset = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_LAYOUT_OFFSET);
+ } else {
+ *offset = (guint32)-1;
+ }
+ }
+ if (rva) {
+ tdef = &meta->tables [MONO_TABLE_FIELDRVA];
+
+ loc.col_idx = MONO_FIELD_RVA_FIELD;
+ loc.t = tdef;
+
+ if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
+ /*
+ * LAMESPEC: There is no signature, no nothing, just the raw data.
+ */
+ *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
+ } else {
+ *rva = 0;
+ }
+ }
+ if (marshal_spec) {
+ const char *p;
+
+ tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
+
+ loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
+ loc.t = tdef;
+ loc.idx = (loc.idx << HAS_FIELD_MARSHAL_BITS) | HAS_FIELD_MARSHAL_FIELDSREF;
+
+ if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
+ p = mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
+ *marshal_spec = mono_metadata_parse_marshal_spec (meta, p);
+ } else {
+ *marshal_spec = NULL;
+ }
+ }
+
+}
+
+/*
+ * mono_metadata_get_constant_index:
+ * @meta: the Image the field is defined in
+ * @index: the token that may have a row defined in the constants table
+ *
+ * @token must be a FieldDef, ParamDef or PropertyDef token.
+ *
+ * Returns: the index into the Constsnts table or 0 if not found.
+ */
+guint32
+mono_metadata_get_constant_index (MonoImage *meta, guint32 token)
+{
+ MonoTableInfo *tdef;
+ locator_t loc;
+ guint32 index = mono_metadata_token_index (token);
+
+ tdef = &meta->tables [MONO_TABLE_CONSTANT];
+ index <<= HASCONSTANT_BITS;
+ switch (mono_metadata_token_table (token)) {
+ case MONO_TABLE_FIELD:
+ index |= HASCONSTANT_FIEDDEF;
+ break;
+ case MONO_TABLE_PARAM:
+ index |= HASCONSTANT_PARAM;
+ break;
+ case MONO_TABLE_PROPERTY:
+ index |= HASCONSTANT_PROPERTY;
+ break;
+ default:
+ g_warning ("Not a valid token for the constant table: 0x%08x", token);
+ return 0;
+ }
+ loc.idx = index;
+ loc.col_idx = MONO_CONSTANT_PARENT;
+ loc.t = tdef;
+
+ if (tdef->base && bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
+ return loc.result + 1;
+ }
+ return 0;
+}
+
+/*
+ * mono_metadata_events_from_typedef:
+ * @meta: metadata context
+ * @index: 0-based index (in the TypeDef table) describing a type
+ *
+ * Returns: the 0-based index in the Event table for the events in the
+ * type. The last event that belongs to the type (plus 1) is stored
+ * in the @end_idx pointer.
+ */
+guint32
+mono_metadata_events_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
+{
+ locator_t loc;
+ guint32 start, end;
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_EVENTMAP];
+
+ *end_idx = 0;
+
+ if (!tdef->base)
+ return 0;
+
+ loc.t = tdef;
+ loc.col_idx = MONO_EVENT_MAP_PARENT;
+ loc.idx = index + 1;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ start = mono_metadata_decode_row_col (tdef, loc.result, MONO_EVENT_MAP_EVENTLIST);
+ if (loc.result + 1 < tdef->rows) {
+ end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_EVENT_MAP_EVENTLIST) - 1;
+ } else {
+ end = meta->tables [MONO_TABLE_EVENT].rows;
+ }
+
+ *end_idx = end;
+ return start - 1;
+}
+
+/*
+ * mono_metadata_methods_from_event:
+ * @meta: metadata context
+ * @index: 0-based index (in the Event table) describing a event
+ *
+ * Returns: the 0-based index in the MethodDef table for the methods in the
+ * event. The last method that belongs to the event (plus 1) is stored
+ * in the @end_idx pointer.
+ */
+guint32
+mono_metadata_methods_from_event (MonoImage *meta, guint32 index, guint *end_idx)
+{
+ locator_t loc;
+ guint start, end;
+ guint32 cols [MONO_METHOD_SEMA_SIZE];
+ MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
+
+ *end_idx = 0;
+ if (!msemt->base)
+ return 0;
+
+ loc.t = msemt;
+ loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
+ loc.idx = ((index + 1) << HAS_SEMANTICS_BITS) | HAS_SEMANTICS_EVENT; /* Method association coded index */
+
+ if (!bsearch (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
+ return 0;
+
+ start = loc.result;
+ /*
+ * We may end up in the middle of the rows...
+ */
+ while (start > 0) {
+ if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
+ start--;
+ else
+ break;
+ }
+ end = start + 1;
+ while (end < msemt->rows) {
+ mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
+ if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
+ break;
+ ++end;
+ }
+ *end_idx = end;
+ return start;
+}
+
+/*
+ * mono_metadata_properties_from_typedef:
+ * @meta: metadata context
+ * @index: 0-based index (in the TypeDef table) describing a type
+ *
+ * Returns: the 0-based index in the Property table for the properties in the
+ * type. The last property that belongs to the type (plus 1) is stored
+ * in the @end_idx pointer.
+ */
+guint32
+mono_metadata_properties_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
+{
+ locator_t loc;
+ guint32 start, end;
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_PROPERTYMAP];
+
+ *end_idx = 0;
+
+ if (!tdef->base)
+ return 0;
+
+ loc.t = tdef;
+ loc.col_idx = MONO_PROPERTY_MAP_PARENT;
+ loc.idx = index + 1;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ start = mono_metadata_decode_row_col (tdef, loc.result, MONO_PROPERTY_MAP_PROPERTY_LIST);
+ if (loc.result + 1 < tdef->rows) {
+ end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_PROPERTY_MAP_PROPERTY_LIST) - 1;
+ } else {
+ end = meta->tables [MONO_TABLE_PROPERTY].rows;
+ }
+
+ *end_idx = end;
+ return start - 1;
+}
+
+/*
+ * mono_metadata_methods_from_property:
+ * @meta: metadata context
+ * @index: 0-based index (in the PropertyDef table) describing a property
+ *
+ * Returns: the 0-based index in the MethodDef table for the methods in the
+ * property. The last method that belongs to the property (plus 1) is stored
+ * in the @end_idx pointer.
+ */
+guint32
+mono_metadata_methods_from_property (MonoImage *meta, guint32 index, guint *end_idx)
+{
+ locator_t loc;
+ guint start, end;
+ guint32 cols [MONO_METHOD_SEMA_SIZE];
+ MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
+
+ *end_idx = 0;
+ if (!msemt->base)
+ return 0;
+
+ loc.t = msemt;
+ loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
+ loc.idx = ((index + 1) << HAS_SEMANTICS_BITS) | HAS_SEMANTICS_PROPERTY; /* Method association coded index */
+
+ if (!bsearch (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
+ return 0;
+
+ start = loc.result;
+ /*
+ * We may end up in the middle of the rows...
+ */
+ while (start > 0) {
+ if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
+ start--;
+ else
+ break;
+ }
+ end = start + 1;
+ while (end < msemt->rows) {
+ mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
+ if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
+ break;
+ ++end;
+ }
+ *end_idx = end;
+ return start;
+}
+
+guint32
+mono_metadata_implmap_from_method (MonoImage *meta, guint32 method_idx)
+{
+ locator_t loc;
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_IMPLMAP];
+
+ if (!tdef->base)
+ return 0;
+
+ loc.t = tdef;
+ loc.col_idx = MONO_IMPLMAP_MEMBER;
+ loc.idx = ((method_idx + 1) << MEMBERFORWD_BITS) | MEMBERFORWD_METHODDEF;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ return loc.result + 1;
+}
+
+/**
+ * @image: context where the image is created
+ * @type_spec: typespec token
+ *
+ * Creates a MonoType representing the TypeSpec indexed by the @type_spec
+ * token.
+ */
+MonoType *
+mono_type_create_from_typespec (MonoImage *image, guint32 type_spec)
+{
+ guint32 idx = mono_metadata_token_index (type_spec);
+ MonoTableInfo *t;
+ guint32 cols [MONO_TYPESPEC_SIZE];
+ const char *ptr;
+ guint32 len;
+ MonoType *type;
+
+ t = &image->tables [MONO_TABLE_TYPESPEC];
+
+ mono_metadata_decode_row (t, idx-1, cols, MONO_TYPESPEC_SIZE);
+ ptr = mono_metadata_blob_heap (image, cols [MONO_TYPESPEC_SIGNATURE]);
+ len = mono_metadata_decode_value (ptr, &ptr);
+ type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
+
+ return type;
+}
+
+MonoMarshalSpec *
+mono_metadata_parse_marshal_spec (MonoImage *image, const char *ptr)
+{
+ MonoMarshalSpec *res;
+ int len;
+ const char *start = ptr;
+
+ /* fixme: this is incomplete, but I cant find more infos in the specs */
+
+ res = g_new0 (MonoMarshalSpec, 1);
+
+ len = mono_metadata_decode_value (ptr, &ptr);
+ res->native = *ptr++;
+
+ if (res->native == MONO_NATIVE_LPARRAY) {
+ if (ptr - start <= len)
+ res->elem_type = *ptr++;
+ if (ptr - start <= len)
+ res->param_num = mono_metadata_decode_value (ptr, &ptr);
+ if (ptr - start <= len)
+ res->num_elem = mono_metadata_decode_value (ptr, &ptr);
+ }
+
+ if (res->native == MONO_NATIVE_BYVALTSTR) {
+ if (ptr - start <= len)
+ res->num_elem = mono_metadata_decode_value (ptr, &ptr);
+ }
+
+ if (res->native == MONO_NATIVE_BYVALARRAY) {
+ if (ptr - start <= len)
+ res->num_elem = mono_metadata_decode_value (ptr, &ptr);
+ }
+
+ return res;
+}
+
+guint32
+mono_type_to_unmanaged (MonoType *type, MonoMarshalSpec *mspec, gboolean as_field,
+ gboolean unicode, MonoMarshalConv *conv)
+{
+ MonoMarshalConv dummy_conv;
+ int t = type->type;
+
+ if (!conv)
+ conv = &dummy_conv;
+
+ *conv = MONO_MARSHAL_CONV_NONE;
+
+ if (type->byref)
+ return MONO_NATIVE_UINT;
+
+handle_enum:
+ switch (t) {
+ case MONO_TYPE_BOOLEAN:
+ if (mspec) {
+ switch (mspec->native) {
+ case MONO_NATIVE_VARIANTBOOL:
+ *conv = MONO_MARSHAL_CONV_BOOL_VARIANTBOOL;
+ return MONO_NATIVE_VARIANTBOOL;
+ case MONO_NATIVE_BOOLEAN:
+ *conv = MONO_MARSHAL_CONV_BOOL_I4;
+ return MONO_NATIVE_BOOLEAN;
+ case MONO_NATIVE_U1:
+ return MONO_NATIVE_U1;
+ default:
+ g_error ("cant marshal bool to native type %02x", mspec->native);
+ }
+ }
+ *conv = MONO_MARSHAL_CONV_BOOL_I4;
+ return MONO_NATIVE_BOOLEAN;
+ case MONO_TYPE_CHAR: return MONO_NATIVE_U2;
+ case MONO_TYPE_I1: return MONO_NATIVE_I1;
+ case MONO_TYPE_U1: return MONO_NATIVE_U1;
+ case MONO_TYPE_I2: return MONO_NATIVE_I2;
+ case MONO_TYPE_U2: return MONO_NATIVE_U2;
+ case MONO_TYPE_I4: return MONO_NATIVE_I4;
+ case MONO_TYPE_U4: return MONO_NATIVE_U4;
+ case MONO_TYPE_I8: return MONO_NATIVE_I8;
+ case MONO_TYPE_U8: return MONO_NATIVE_U8;
+ case MONO_TYPE_R4: return MONO_NATIVE_R4;
+ case MONO_TYPE_R8: return MONO_NATIVE_R8;
+ case MONO_TYPE_STRING:
+ if (mspec) {
+ switch (mspec->native) {
+ case MONO_NATIVE_BSTR:
+ *conv = MONO_MARSHAL_CONV_STR_BSTR;
+ return MONO_NATIVE_BSTR;
+ case MONO_NATIVE_LPSTR:
+ *conv = MONO_MARSHAL_CONV_STR_LPSTR;
+ return MONO_NATIVE_LPSTR;
+ case MONO_NATIVE_LPWSTR:
+ *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
+ return MONO_NATIVE_LPWSTR;
+ case MONO_NATIVE_LPTSTR:
+ *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
+ return MONO_NATIVE_LPTSTR;
+ case MONO_NATIVE_ANSIBSTR:
+ *conv = MONO_MARSHAL_CONV_STR_ANSIBSTR;
+ return MONO_NATIVE_ANSIBSTR;
+ case MONO_NATIVE_TBSTR:
+ *conv = MONO_MARSHAL_CONV_STR_TBSTR;
+ return MONO_NATIVE_TBSTR;
+ case MONO_NATIVE_BYVALTSTR:
+ if (unicode)
+ *conv = MONO_MARSHAL_CONV_STR_BYVALWSTR;
+ else
+ *conv = MONO_MARSHAL_CONV_STR_BYVALSTR;
+ return MONO_NATIVE_BYVALTSTR;
+ default:
+ g_error ("cant marshal string to native type %02x", mspec->native);
+ }
+ }
+ *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
+ return MONO_NATIVE_LPTSTR;
+ case MONO_TYPE_PTR: return MONO_NATIVE_UINT;
+ case MONO_TYPE_VALUETYPE: /*FIXME*/
+ if (type->data.klass->enumtype) {
+ t = type->data.klass->enum_basetype->type;
+ goto handle_enum;
+ }
+ return MONO_NATIVE_STRUCT;
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_ARRAY:
+ if (mspec) {
+ switch (mspec->native) {
+ case MONO_NATIVE_BYVALARRAY:
+ *conv = MONO_MARSHAL_CONV_ARRAY_BYVALARRAY;
+ return MONO_NATIVE_BYVALARRAY;
+ case MONO_NATIVE_SAFEARRAY:
+ *conv = MONO_MARSHAL_CONV_ARRAY_SAVEARRAY;
+ return MONO_NATIVE_SAFEARRAY;
+ case MONO_NATIVE_LPARRAY:
+ *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
+ return MONO_NATIVE_LPARRAY;
+ default:
+ g_error ("cant marshal array as native type %02x", mspec->native);
+ }
+ }
+
+ *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
+ return MONO_NATIVE_LPARRAY;
+ case MONO_TYPE_I: return MONO_NATIVE_INT;
+ case MONO_TYPE_U: return MONO_NATIVE_UINT;
+ case MONO_TYPE_OBJECT: {
+ if (mspec) {
+ switch (mspec->native) {
+ case MONO_NATIVE_STRUCT:
+ return MONO_NATIVE_STRUCT;
+ case MONO_NATIVE_INTERFACE:
+ *conv = MONO_MARSHAL_CONV_OBJECT_INTERFACE;
+ return MONO_NATIVE_INTERFACE;
+ case MONO_NATIVE_IDISPATCH:
+ *conv = MONO_MARSHAL_CONV_OBJECT_IDISPATCH;
+ return MONO_NATIVE_IDISPATCH;
+ case MONO_NATIVE_IUNKNOWN:
+ *conv = MONO_MARSHAL_CONV_OBJECT_IUNKNOWN;
+ return MONO_NATIVE_IUNKNOWN;
+ default:
+ g_error ("cant marshal object as native type %02x", mspec->native);
+ }
+ }
+ return MONO_NATIVE_LPSTRUCT; /* ?? */
+ }
+ case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
+ case MONO_TYPE_CLASS:
+ /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
+ return MONO_NATIVE_INTERFACE; /* ?? */
+ case MONO_TYPE_TYPEDBYREF:
+ default:
+ g_error ("type 0x%02x not handled in marshal", t);
+ }
+ return MONO_NATIVE_MAX;
+}
+
+gint32
+mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
+ gboolean as_field, gboolean unicode)
+{
+ MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
+ MonoClass *klass;
+
+ switch (native_type) {
+ case MONO_NATIVE_BOOLEAN:
+ *align = 4;
+ return 4;
+ case MONO_NATIVE_I1:
+ case MONO_NATIVE_U1:
+ *align = 1;
+ return 1;
+ case MONO_NATIVE_I2:
+ case MONO_NATIVE_U2:
+ *align = 2;
+ return 2;
+ case MONO_NATIVE_I4:
+ case MONO_NATIVE_U4:
+ case MONO_NATIVE_ERROR:
+ *align = 4;
+ return 4;
+ case MONO_NATIVE_I8:
+ case MONO_NATIVE_U8:
+ *align = 8;
+ return 8;
+ case MONO_NATIVE_R4:
+ *align = 4;
+ return 4;
+ case MONO_NATIVE_R8:
+ *align = 8;
+ return 8;
+ case MONO_NATIVE_INT:
+ case MONO_NATIVE_UINT:
+ case MONO_NATIVE_LPSTR:
+ case MONO_NATIVE_LPWSTR:
+ case MONO_NATIVE_LPTSTR:
+ case MONO_NATIVE_BSTR:
+ case MONO_NATIVE_ANSIBSTR:
+ case MONO_NATIVE_TBSTR:
+ case MONO_NATIVE_LPARRAY:
+ case MONO_NATIVE_SAFEARRAY:
+ case MONO_NATIVE_IUNKNOWN:
+ case MONO_NATIVE_IDISPATCH:
+ case MONO_NATIVE_INTERFACE:
+ case MONO_NATIVE_ASANY:
+ case MONO_NATIVE_VARIANTBOOL:
+ case MONO_NATIVE_FUNC:
+ case MONO_NATIVE_LPSTRUCT:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ case MONO_NATIVE_STRUCT:
+ klass = mono_class_from_mono_type (type);
+ *align = mono_class_min_align (klass);
+ return mono_class_native_size (klass);
+ case MONO_NATIVE_BYVALTSTR: {
+ int esize = unicode ? 2: 1;
+ g_assert (mspec);
+ *align = esize;
+ return mspec->num_elem * esize;
+ }
+ case MONO_NATIVE_BYVALARRAY: {
+ int esize;
+ klass = mono_class_from_mono_type (type);
+ *align = mono_class_min_align (klass->element_class);
+ esize = mono_array_element_size (klass);
+ g_assert (mspec);
+ return mspec->num_elem * esize;
+ }
+ case MONO_NATIVE_CURRENCY:
+ case MONO_NATIVE_VBBYREFSTR:
+ case MONO_NATIVE_CUSTOM:
+ default:
+ g_error ("native type %02x not implemented", native_type);
+ break;
+ }
+ g_assert_not_reached ();
+ return 0;
+}
+
+const char*
+mono_metadata_get_marshal_info (MonoImage *meta, guint32 idx, gboolean is_field)
+{
+ locator_t loc;
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
+
+ if (!tdef->base)
+ return NULL;
+
+ loc.t = tdef;
+ loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
+ loc.idx = ((idx + 1) << HAS_FIELD_MARSHAL_BITS) | (is_field? HAS_FIELD_MARSHAL_FIELDSREF: HAS_FIELD_MARSHAL_PARAMDEF);
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return NULL;
+
+ return mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
+}
+
projects / mono.git / blobdiff