/*
* 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:
* information might refer to different tables.
*/
-static MonoMetaTable AssemblySchema [] = {
+const static MonoMetaTable AssemblySchema [] = {
{ MONO_MT_UINT32, "HashId" },
{ MONO_MT_UINT16, "Major" },
{ MONO_MT_UINT16, "Minor" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable AssemblyOSSchema [] = {
+const static MonoMetaTable AssemblyOSSchema [] = {
{ MONO_MT_UINT32, "OSPlatformID" },
{ MONO_MT_UINT32, "OSMajor" },
{ MONO_MT_UINT32, "OSMinor" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable AssemblyProcessorSchema [] = {
+const static MonoMetaTable AssemblyProcessorSchema [] = {
{ MONO_MT_UINT32, "Processor" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable AssemblyRefSchema [] = {
+const static MonoMetaTable AssemblyRefSchema [] = {
{ MONO_MT_UINT16, "Major" },
{ MONO_MT_UINT16, "Minor" },
{ MONO_MT_UINT16, "Build" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable AssemblyRefOSSchema [] = {
+const static MonoMetaTable AssemblyRefOSSchema [] = {
{ MONO_MT_UINT32, "OSPlatformID" },
{ MONO_MT_UINT32, "OSMajorVersion" },
{ MONO_MT_UINT32, "OSMinorVersion" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable AssemblyRefProcessorSchema [] = {
+const static MonoMetaTable AssemblyRefProcessorSchema [] = {
{ MONO_MT_UINT32, "Processor" },
{ MONO_MT_TABLE_IDX, "AssemblyRef:AssemblyRef" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ClassLayoutSchema [] = {
+const static MonoMetaTable ClassLayoutSchema [] = {
{ MONO_MT_UINT16, "PackingSize" },
{ MONO_MT_UINT32, "ClassSize" },
{ MONO_MT_TABLE_IDX, "Parent:TypeDef" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ConstantSchema [] = {
+const static MonoMetaTable ConstantSchema [] = {
{ MONO_MT_UINT8, "Type" },
{ MONO_MT_UINT8, "PaddingZero" },
{ MONO_MT_CONST_IDX, "Parent" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable CustomAttributeSchema [] = {
+const static MonoMetaTable CustomAttributeSchema [] = {
{ MONO_MT_HASCAT_IDX, "Parent" },
{ MONO_MT_CAT_IDX, "Type" },
{ MONO_MT_BLOB_IDX, "Value" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable DeclSecuritySchema [] = {
+const static MonoMetaTable DeclSecuritySchema [] = {
{ MONO_MT_UINT16, "Action" },
{ MONO_MT_HASDEC_IDX, "Parent" },
{ MONO_MT_BLOB_IDX, "PermissionSet" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable EventMapSchema [] = {
+const static MonoMetaTable EventMapSchema [] = {
{ MONO_MT_TABLE_IDX, "Parent:TypeDef" },
{ MONO_MT_TABLE_IDX, "EventList:Event" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable EventSchema [] = {
+const static MonoMetaTable EventSchema [] = {
{ MONO_MT_UINT16, "EventFlags#EventAttribute" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_TABLE_IDX, "EventType" }, /* TypeDef or TypeRef */
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ExportedTypeSchema [] = {
+const static MonoMetaTable ExportedTypeSchema [] = {
{ MONO_MT_UINT32, "Flags" },
{ MONO_MT_TABLE_IDX, "TypeDefId" },
{ MONO_MT_STRING_IDX, "TypeName" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable FieldSchema [] = {
+const static MonoMetaTable FieldSchema [] = {
{ MONO_MT_UINT16, "Flags" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_BLOB_IDX, "Signature" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable FieldLayoutSchema [] = {
+const static MonoMetaTable FieldLayoutSchema [] = {
{ MONO_MT_UINT32, "Offset" },
{ MONO_MT_TABLE_IDX, "Field:Field" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable FieldMarshalSchema [] = {
+const static MonoMetaTable FieldMarshalSchema [] = {
{ MONO_MT_HFM_IDX, "Parent" },
{ MONO_MT_BLOB_IDX, "NativeType" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable FieldRVASchema [] = {
+const static MonoMetaTable FieldRVASchema [] = {
{ MONO_MT_UINT32, "RVA" },
{ MONO_MT_TABLE_IDX, "Field:Field" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable FileSchema [] = {
+const static MonoMetaTable FileSchema [] = {
{ MONO_MT_UINT32, "Flags" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_BLOB_IDX, "Value" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ImplMapSchema [] = {
+const static MonoMetaTable ImplMapSchema [] = {
{ MONO_MT_UINT16, "MappingFlag" },
{ MONO_MT_MF_IDX, "MemberForwarded" },
{ MONO_MT_STRING_IDX, "ImportName" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable InterfaceImplSchema [] = {
+const static MonoMetaTable InterfaceImplSchema [] = {
{ MONO_MT_TABLE_IDX, "Class:TypeDef" },
{ MONO_MT_TDOR_IDX, "Interface=TypeDefOrRef" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ManifestResourceSchema [] = {
+const static MonoMetaTable ManifestResourceSchema [] = {
{ MONO_MT_UINT32, "Offset" },
{ MONO_MT_UINT32, "Flags" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable MemberRefSchema [] = {
+const static MonoMetaTable MemberRefSchema [] = {
{ MONO_MT_MRP_IDX, "Class" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_BLOB_IDX, "Signature" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable MethodSchema [] = {
+const static MonoMetaTable MethodSchema [] = {
{ MONO_MT_UINT32, "RVA" },
{ MONO_MT_UINT16, "ImplFlags#MethodImplAttributes" },
{ MONO_MT_UINT16, "Flags#MethodAttribute" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable MethodImplSchema [] = {
+const static MonoMetaTable MethodImplSchema [] = {
{ MONO_MT_TABLE_IDX, "Class:TypeDef" },
{ MONO_MT_MDOR_IDX, "MethodBody" },
{ MONO_MT_MDOR_IDX, "MethodDeclaration" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable MethodSemanticsSchema [] = {
+const static MonoMetaTable MethodSemanticsSchema [] = {
{ MONO_MT_UINT16, "MethodSemantic" },
{ MONO_MT_TABLE_IDX, "Method:Method" },
{ MONO_MT_HS_IDX, "Association" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ModuleSchema [] = {
+const static MonoMetaTable ModuleSchema [] = {
{ MONO_MT_UINT16, "Generation" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_GUID_IDX, "MVID" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ModuleRefSchema [] = {
+const static MonoMetaTable ModuleRefSchema [] = {
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable NestedClassSchema [] = {
+const static MonoMetaTable NestedClassSchema [] = {
{ MONO_MT_TABLE_IDX, "NestedClass:TypeDef" },
{ MONO_MT_TABLE_IDX, "EnclosingClass:TypeDef" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable ParamSchema [] = {
+const static MonoMetaTable ParamSchema [] = {
{ MONO_MT_UINT16, "Flags" },
{ MONO_MT_UINT16, "Sequence" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable PropertySchema [] = {
+const static MonoMetaTable PropertySchema [] = {
{ MONO_MT_UINT16, "Flags" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_BLOB_IDX, "Type" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable PropertyMapSchema [] = {
+const static MonoMetaTable PropertyMapSchema [] = {
{ MONO_MT_TABLE_IDX, "Parent:TypeDef" },
{ MONO_MT_TABLE_IDX, "PropertyList:Property" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable StandaloneSigSchema [] = {
+const static MonoMetaTable StandaloneSigSchema [] = {
{ MONO_MT_BLOB_IDX, "Signature" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable TypeDefSchema [] = {
+const static MonoMetaTable TypeDefSchema [] = {
{ MONO_MT_UINT32, "Flags" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_STRING_IDX, "Namespace" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable TypeRefSchema [] = {
+const static MonoMetaTable TypeRefSchema [] = {
{ MONO_MT_RS_IDX, "ResolutionScope=ResolutionScope" },
{ MONO_MT_STRING_IDX, "Name" },
{ MONO_MT_STRING_IDX, "Namespace" },
{ MONO_MT_END, NULL }
};
-static MonoMetaTable TypeSpecSchema [] = {
+const static MonoMetaTable TypeSpecSchema [] = {
{ MONO_MT_BLOB_IDX, "Signature" },
{ MONO_MT_END, NULL }
};
-static struct {
- MonoMetaTable *table;
+const static MonoMetaTable GenericParamSchema [] = {
+ { MONO_MT_UINT16, "Number" },
+ { MONO_MT_UINT16, "Flags" },
+ { MONO_MT_TABLE_IDX, "Owner" }, /* TypeDef or MethodDef */
+ { MONO_MT_STRING_IDX, "Name" },
+
+ /* soon to be removed */
+ { MONO_MT_TABLE_IDX, "Kind" },
+ { MONO_MT_TABLE_IDX, "DeprecatedConstraint" },
+
+ { MONO_MT_END, NULL }
+};
+
+const static MonoMetaTable MethodSpecSchema [] = {
+ { MONO_MT_MDOR_IDX, "Method" },
+ { MONO_MT_BLOB_IDX, "Signature" },
+ { MONO_MT_END, NULL }
+};
+
+const static MonoMetaTable GenericParamConstraintSchema [] = {
+ { MONO_MT_TABLE_IDX, "GenericParam" },
+ { MONO_MT_TDOR_IDX, "Constraint" },
+ { MONO_MT_END, NULL }
+};
+
+const static struct {
+ const MonoMetaTable *table;
const char *name;
} tables [] = {
/* 0 */ { ModuleSchema, "Module" },
/* 27 */ { ExportedTypeSchema, "ExportedType" },
/* 28 */ { ManifestResourceSchema, "ManifestResource" },
/* 29 */ { NestedClassSchema, "NestedClass" },
- /* 2A */ { NULL, NULL },
- /* 2B */ { NULL, NULL },
+ /* 2A */ { GenericParamSchema, "GenericParam" },
+ /* 2B */ { MethodSpecSchema, "MethodSpec" },
+ /* 2C */ { GenericParamConstraintSchema, "GenericParamConstraint" },
};
/**
const char *
mono_meta_table_name (int table)
{
- if ((table < 0) || (table > 0x29))
+ if ((table < 0) || (table > 0x2c))
return "";
return tables [table].name;
#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;
int i, n, code;
int shift = 0;
- MonoMetaTable *table = tables [tableindex].table;
+ const MonoMetaTable *table = tables [tableindex].table;
for (i = 0; (code = table [i].code) != MONO_MT_END; i++){
switch (code){
break;
case MONO_TABLE_EXPORTEDTYPE:
g_assert (i == 1);
- field_size = idx_size (MONO_TABLE_TYPEDEF); break;
+ /* the index is in another metadata file, so it must be 4 */
+ field_size = 4; break;
case MONO_TABLE_FIELDLAYOUT:
g_assert (i == 1);
field_size = idx_size (MONO_TABLE_FIELD); break;
case MONO_TABLE_TYPEDEF:
g_assert (i == 4 || i == 5);
field_size = i == 4 ? idx_size (MONO_TABLE_FIELD):
- idx_size(MONO_TABLE_METHOD);
+ idx_size(MONO_TABLE_METHOD);
+ case MONO_TABLE_GENERICPARAM:
+ g_assert (i == 2 || i == 4 || i == 5);
+ if (i == 2)
+ field_size = MAX (idx_size (MONO_TABLE_METHOD), idx_size (MONO_TABLE_TYPEDEF));
+ else if (i == 4)
+ field_size = idx_size (MONO_TABLE_TYPEDEF);
+ else if (i == 5)
+ field_size = idx_size (MONO_TABLE_TYPEDEF);
+ break;
+
+ case MONO_TABLE_GENERICPARAMCONSTRAINT:
+ g_assert (i == 0);
+ field_size = idx_size (MONO_TABLE_GENERICPARAM);
break;
+
default:
g_assert_not_reached ();
}
- if (field_size != idx_size (tableindex))
+ if (tableindex != MONO_TABLE_EXPORTEDTYPE && field_size != idx_size (tableindex))
g_warning ("size changed (%d to %d)", idx_size (tableindex), field_size);
break;
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 the MonoMetaTable structure for table @table
*/
-MonoMetaTable *
+const MonoMetaTable *
mono_metadata_get_table (MonoMetaTableEnum table)
{
int x = (int) table;
* 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 *
dword_align (const char *ptr)
{
+#if SIZEOF_VOID_P == 8
+ return (const char *) (((guint64) (ptr + 3)) & ~3);
+#else
return (const char *) (((guint32) (ptr + 3)) & ~3);
+#endif
}
/**
{
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) ||
if (!dest)
dest = &local;
dest->required = *ptr == MONO_TYPE_CMOD_REQD ? 1 : 0;
- dest->token = mono_metadata_parse_typedef_or_ref (m, ptr + 1, &ptr);
+ dest->token = mono_metadata_parse_typedef_or_ref (m, ptr + 1, rptr);
return TRUE;
}
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);
+ MonoType *etype;
- array->type = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr);
+ etype = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr);
+ array->eklass = mono_class_from_mono_type (etype);
array->rank = mono_metadata_decode_value (ptr, &ptr);
array->numsizes = mono_metadata_decode_value (ptr, &ptr);
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)
{
- mono_metadata_free_type (array->type);
g_free (array->sizes);
g_free (array->lobounds);
g_free (array);
{{NULL}, 0, MONO_TYPE_I, 0, 1, 0},
{{NULL}, 0, MONO_TYPE_U, 0, 0, 0},
{{NULL}, 0, MONO_TYPE_U, 0, 1, 0},
- {{NULL}, 0, MONO_TYPE_OBJECT, 0, 0, 0},
- {{NULL}, 0, MONO_TYPE_OBJECT, 0, 1, 0}
};
#define NBUILTIN_TYPES() (sizeof (builtin_types) / sizeof (builtin_types [0]))
static guint
mono_type_hash (gconstpointer data)
{
- MonoType *type = (MonoType *) data;
+ const MonoType *type = (const MonoType *) data;
return type->type | (type->byref << 8) | (type->attrs << 9);
}
static gint
mono_type_equal (gconstpointer ka, gconstpointer kb)
{
- MonoType *a = (MonoType *) ka;
- MonoType *b = (MonoType *) 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;
return 1;
}
-MonoType*
-mono_metadata_parse_type (MonoMetadata *m, MonoParseTypeMode mode, short opt_attrs, const char *ptr, const char **rptr)
+/**
+ * mono_metadata_init:
+ *
+ * Initialize the global variables of this module.
+ */
+void
+mono_metadata_init (void)
{
- MonoType *type, *cached;
+ int i;
- if (!type_cache) {
- int i;
- type_cache = g_hash_table_new (mono_type_hash, mono_type_equal);
+ type_cache = g_hash_table_new (mono_type_hash, mono_type_equal);
- for (i = 0; i < NBUILTIN_TYPES (); ++i)
- g_hash_table_insert (type_cache, &builtin_types [i], &builtin_types [i]);
- }
+ for (i = 0; i < NBUILTIN_TYPES (); ++i)
+ g_hash_table_insert (type_cache, &builtin_types [i], &builtin_types [i]);
+}
+
+/*
+ * 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 (MonoImage *m, MonoParseTypeMode mode, short opt_attrs, const char *ptr, const char **rptr)
+{
+ MonoType *type, *cached;
switch (mode) {
case MONO_PARSE_MOD_TYPE:
case MONO_PARSE_PARAM:
case MONO_PARSE_RET:
+ case MONO_PARSE_LOCAL: /* should not have modifiers according to the spec, but ms tools disagree */
case MONO_PARSE_FIELD: {
/* count the modifiers */
const char *tmp_ptr = ptr;
while (mono_metadata_parse_custom_mod (m, NULL, tmp_ptr, &tmp_ptr))
count++;
if (count) {
- type = g_malloc0 (sizeof (MonoType) + (count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoCustomMod));
+ type = g_malloc0 (sizeof (MonoType) + ((gint32)count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoCustomMod));
type->num_mods = count;
if (count > 64)
g_warning ("got more than 64 modifiers in type");
break;
} /* fall through */
}
- case MONO_PARSE_LOCAL:
case MONO_PARSE_TYPE:
/*
* Later we can avoid doing this allocation.
}
if (rptr)
*rptr = ptr;
+
+ /* No need to use locking since nobody is modifying the hash table */
if (mode != MONO_PARSE_PARAM && !type->num_mods && (cached = g_hash_table_lookup (type_cache, type))) {
mono_metadata_free_type (type);
return cached;
}
}
+/*
+ * 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;
+
+ if (image->assembly->dynamic)
+ return mono_lookup_dynamic_token (image, token);
+
+ 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);
+}
+
+MonoMethodSignature*
+mono_metadata_signature_alloc (MonoImage *m, guint32 nparams)
+{
+ MonoMethodSignature *sig;
+
+ /* later we want to allocate signatures with mempools */
+ sig = g_malloc0 (sizeof (MonoMethodSignature) + ((gint32)nparams - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType*));
+ sig->param_count = nparams;
+
+ return sig;
+}
+
+/*
+ * mono_metadata_parse_method_signature:
+ * @m: metadata context
+ * @def: the MethodDef index or 0 for Ref 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, ret_attrs = 0, *pattrs = NULL;
guint32 hasthis = 0, explicit_this = 0, call_convention, param_count;
+ guint32 gen_param_count = 0;
+ if (*ptr & 0x10)
+ gen_param_count = 1;
if (*ptr & 0x20)
hasthis = 1;
if (*ptr & 0x40)
explicit_this = 1;
call_convention = *ptr & 0x0F;
ptr++;
+ if (gen_param_count)
+ gen_param_count = mono_metadata_decode_value (ptr, &ptr);
param_count = mono_metadata_decode_value (ptr, &ptr);
+ pattrs = g_new0 (int, param_count);
+
+ if (def) {
+ MonoTableInfo *paramt = &m->tables [MONO_TABLE_PARAM];
+ MonoTableInfo *methodt = &m->tables [MONO_TABLE_METHOD];
+ guint32 cols [MONO_PARAM_SIZE];
+ guint lastp, param_index = mono_metadata_decode_row_col (methodt, def - 1, MONO_METHOD_PARAMLIST);
- method = g_malloc0 (sizeof (MonoMethodSignature) + (param_count - MONO_ZERO_LEN_ARRAY) * sizeof (MonoType*));
- method->param_count = param_count;
+ if (def < methodt->rows)
+ lastp = mono_metadata_decode_row_col (methodt, def, MONO_METHOD_PARAMLIST);
+ else
+ lastp = paramt->rows + 1;
+ for (i = param_index; i < lastp; ++i) {
+ mono_metadata_decode_row (paramt, i - 1, cols, MONO_PARAM_SIZE);
+ if (!cols [MONO_PARAM_SEQUENCE])
+ ret_attrs = cols [MONO_PARAM_FLAGS];
+ else
+ pattrs [cols [MONO_PARAM_SEQUENCE] - 1] = cols [MONO_PARAM_FLAGS];
+ }
+ }
+ method = mono_metadata_signature_alloc (m, param_count);
method->hasthis = hasthis;
method->explicit_this = explicit_this;
method->call_convention = call_convention;
- method->ret = mono_metadata_parse_type (m, MONO_PARSE_RET, 0, ptr, &ptr);
+ if (call_convention != 0xa)
+ method->ret = mono_metadata_parse_type (m, MONO_PARSE_RET, ret_attrs, 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) {
method->sentinelpos = 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 [i] = mono_metadata_parse_type (m, MONO_PARSE_PARAM, pattrs [i], ptr, &ptr);
}
}
- method->params_size = offset;
+ g_free (pattrs);
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 (sig);
+}
+
+static MonoGenericInst *
+mono_metadata_parse_generic_inst (MonoImage *m, const char *ptr, const char **rptr)
+{
+ MonoGenericInst *generic_inst = g_new0 (MonoGenericInst, 1);
+ int i, count;
+
+ generic_inst->generic_type = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr);
+ generic_inst->type_argc = count = mono_metadata_decode_value (ptr, &ptr);
+ generic_inst->type_argv = g_new0 (MonoType*, count);
- g_free (method);
+ for (i = 0; i < generic_inst->type_argc; i++)
+ generic_inst->type_argv [i] = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr);
+
+ if (rptr)
+ *rptr = ptr;
+
+ return generic_inst;
+}
+
+static MonoGenericParam *
+mono_metadata_parse_generic_param (MonoImage *m, const char *ptr, const char **rptr)
+{
+ MonoGenericParam *generic_param = g_new0 (MonoGenericParam, 1);
+
+ generic_param->num = mono_metadata_decode_value (ptr, &ptr);
+
+ if (rptr)
+ *rptr = ptr;
+
+ return generic_param;
}
/*
* 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);
type->data.klass = mono_class_get (m, token);
break;
}
- case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_SZARRAY: {
+ MonoType *etype = mono_metadata_parse_type (m, MONO_PARSE_MOD_TYPE, 0, ptr, &ptr);
+ type->data.klass = mono_class_from_mono_type (etype);
+ break;
+ }
case MONO_TYPE_PTR:
type->data.type = mono_metadata_parse_type (m, MONO_PARSE_MOD_TYPE, 0, ptr, &ptr);
break;
case MONO_TYPE_ARRAY:
type->data.array = mono_metadata_parse_array (m, ptr, &ptr);
break;
+
+ case MONO_TYPE_MVAR:
+ case MONO_TYPE_VAR:
+ type->data.generic_param = mono_metadata_parse_generic_param (m, ptr, &ptr);
+ break;
+
+ case MONO_TYPE_GENERICINST:
+ type->data.generic_inst = mono_metadata_parse_generic_inst (m, ptr, &ptr);
+ break;
+
default:
- g_error ("type 0x%02x not handled in mono_metadata_parse_type", type->type);
+ g_error ("type 0x%02x not handled in do_mono_metadata_parse_type", type->type);
}
if (rptr)
*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)
{
if (type >= builtin_types && type < builtin_types + NBUILTIN_TYPES ())
return;
switch (type->type){
- case MONO_TYPE_SZARRAY:
case MONO_TYPE_PTR:
mono_metadata_free_type (type->data.type);
break;
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;
}
-#ifndef __GNUC__
-#define __alignof__(a) sizeof(a)
-#endif
+/*
+ * 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_type_size:
- * @t: the type to return the size of
- *
- * Returns: the number of bytes required to hold an instance of this
- * type in memory
+ * 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. The search starts at
+ * @start_index.
+ * Returns 0 if no such type is found.
*/
-int
-mono_type_size (MonoType *t, gint *align)
+guint32
+mono_metadata_nesting_typedef (MonoImage *meta, guint32 index, guint32 start_index)
{
- if (!t) {
- *align = 1;
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
+ guint32 start;
+ guint32 class_index = mono_metadata_token_index (index);
+
+ if (!tdef->base)
return 0;
- }
- if (t->byref) {
- *align = __alignof__(gpointer);
- return sizeof (gpointer);
+
+ start = start_index;
+
+ while (start <= tdef->rows) {
+ if (class_index == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
+ break;
+ else
+ start++;
}
- switch (t->type){
- case MONO_TYPE_VOID:
- *align = 1;
+ if (start > tdef->rows)
return 0;
- case MONO_TYPE_BOOLEAN:
- *align = __alignof__(char);
- return sizeof (char);
-
- case MONO_TYPE_CHAR:
- *align = __alignof__(short);
- return sizeof (short);
-
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- *align = __alignof__(char);
- return 1;
-
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- *align = __alignof__(gint16);
- return 2;
-
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- *align = __alignof__(gint32);
- return 4;
- 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_I:
- case MONO_TYPE_U:
- *align = __alignof__(gpointer);
- return sizeof (gpointer);
-
- case MONO_TYPE_STRING:
- *align = __alignof__(gpointer);
+ else
+ return start;
+}
+
+/*
+ * 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;
+}
+
+/*
+ * mono_metadata_custom_attrs_from_index:
+ * @meta: metadata context
+ * @index: token representing the parent
+ *
+ * Returns: the 1-based index into the CustomAttribute table of the first
+ * attribute which belongs to the metadata object described by @index.
+ * Returns 0 if no such attribute is found.
+ */
+guint32
+mono_metadata_custom_attrs_from_index (MonoImage *meta, guint32 index)
+{
+ MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CUSTOMATTRIBUTE];
+ locator_t loc;
+
+ if (!tdef->base)
+ return 0;
+
+ loc.idx = index;
+ loc.col_idx = MONO_CUSTOM_ATTR_PARENT;
+ loc.t = tdef;
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return 0;
+
+ /* Find the first entry by searching backwards */
+ while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_CUSTOM_ATTR_PARENT) == index))
+ loc.result --;
+
+ /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
+ return loc.result + 1;
+}
+
+#ifdef DEBUG
+static void
+mono_backtrace (int limit)
+{
+ void *array[limit];
+ char **names;
+ int i;
+ backtrace (array, limit);
+ names = backtrace_symbols (array, limit);
+ for (i =0; i < limit; ++i) {
+ g_print ("\t%s\n", names [i]);
+ }
+ g_free (names);
+}
+#endif
+
+#ifndef __GNUC__
+/*#define __alignof__(a) sizeof(a)*/
+#define __alignof__(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
+#endif
+
+/*
+ * mono_type_size:
+ * @t: the type to return the size of
+ *
+ * Returns: the number of bytes required to hold an instance of this
+ * type in memory
+ */
+int
+mono_type_size (MonoType *t, gint *align)
+{
+ if (!t) {
+ *align = 1;
+ return 0;
+ }
+ if (t->byref) {
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ }
+
+ switch (t->type){
+ case MONO_TYPE_VOID:
+ *align = 1;
+ return 0;
+ case MONO_TYPE_BOOLEAN:
+ *align = __alignof__(gint8);
+ return 1;
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ *align = __alignof__(gint8);
+ return 1;
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ *align = __alignof__(gint16);
+ return 2;
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ *align = __alignof__(gint32);
+ return 4;
+ case MONO_TYPE_R4:
+ *align = __alignof__(float);
+ return 4;
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ *align = __alignof__(gint64);
+ return 8;
+ case MONO_TYPE_R8:
+ *align = __alignof__(double);
+ return 8;
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ case MONO_TYPE_STRING:
+ *align = __alignof__(gpointer);
return sizeof (gpointer);
-
case MONO_TYPE_OBJECT:
*align = __alignof__(gpointer);
return sizeof (gpointer);
-
case MONO_TYPE_VALUETYPE: {
- guint32 size;
+ if (t->data.klass->enumtype)
+ return mono_type_size (t->data.klass->enum_basetype, align);
+ else
+ return mono_class_value_size (t->data.klass, align);
+ }
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
+ case MONO_TYPE_ARRAY:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ case MONO_TYPE_TYPEDBYREF:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer) * 2;
+ case MONO_TYPE_GENERICINST: {
+ MonoClass *iclass = mono_class_from_mono_type (t);
+ return mono_type_size (&iclass->byval_arg, align);
+ }
+ case MONO_TYPE_VAR:
+ case MONO_TYPE_MVAR:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer);
+ default:
+ g_error ("mono_type_size: type 0x%02x unknown", t->type);
+ }
+ return 0;
+}
- size = mono_class_value_size (t->data.klass, align);
- return size;
+/*
+ * 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)
+{
+ int tmp;
+
+ g_assert (t != NULL);
+
+ if (!align)
+ align = &tmp;
+
+ 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: /* we may want to use a struct {MonoType* type, void *data } instead ...*/
*align = __alignof__(gpointer);
return sizeof (gpointer);
+ case MONO_TYPE_TYPEDBYREF:
+ *align = __alignof__(gpointer);
+ return sizeof (gpointer) * 2;
+ case MONO_TYPE_R4:
+ *align = __alignof__(float);
+ return sizeof (float);
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ *align = __alignof__(gint64);
+ return sizeof (gint64);
+ case MONO_TYPE_R8:
+ *align = __alignof__(double);
+ return sizeof (double);
+ 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 = *align + __alignof__(gpointer) - 1;
+ *align &= ~(__alignof__(gpointer) - 1);
+
+ size += sizeof (gpointer) - 1;
+ size &= ~(sizeof (gpointer) - 1);
+
+ return size;
+ }
+ }
+ case MONO_TYPE_GENERICINST: {
+ MonoClass *iclass = mono_class_from_mono_type (t);
+ return mono_type_stack_size (&iclass->byval_arg, align);
+ }
default:
g_error ("type 0x%02x unknown", t->type);
}
return 0;
}
+/*
+ * 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:
+ case MONO_TYPE_SZARRAY:
+ /* check if the distribution is good enough */
+ return ((hash << 5) - hash) ^ g_str_hash (t1->data.klass->name);
+ case MONO_TYPE_PTR:
+ return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
+ case MONO_TYPE_ARRAY:
+ return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
+ case MONO_TYPE_GENERICINST:
+ return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.generic_inst->generic_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_I:
case MONO_TYPE_U:
case MONO_TYPE_OBJECT:
+ case MONO_TYPE_TYPEDBYREF:
return TRUE;
case MONO_TYPE_VALUETYPE:
case MONO_TYPE_CLASS:
- return t1->data.klass == t2->data.klass;
case MONO_TYPE_SZARRAY:
+ return t1->data.klass == t2->data.klass;
+ case MONO_TYPE_PTR:
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 t1->data.array->eklass == t2->data.array->eklass;
+ case MONO_TYPE_GENERICINST: {
+ int i;
+ if (t1->data.generic_inst->type_argc != t2->data.generic_inst->type_argc)
+ return FALSE;
+ if (!mono_metadata_type_equal (t1->data.generic_inst->generic_type, t2->data.generic_inst->generic_type))
+ return FALSE;
+ for (i = 0; i < t1->data.generic_inst->type_argc; ++i) {
+ if (!mono_metadata_type_equal (t1->data.generic_inst->type_argv [i], t2->data.generic_inst->type_argv [i]))
+ return FALSE;
+ }
+ return TRUE;
+ }
+ case MONO_TYPE_VAR:
+ case MONO_TYPE_MVAR:
+ return t1->data.generic_param == t2->data.generic_param;
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)
{
MonoType *p1 = sig1->params[i];
MonoType *p2 = sig2->params[i];
- if (p1->attrs != p2->attrs)
- return FALSE;
+ //if (p1->attrs != p2->attrs)
+ // return FALSE;
if (!mono_metadata_type_equal (p1, p2))
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)
{
* @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 address of the field data in the image that
+ * @rva: a pointer to the RVA of the field data in the image that
* may have been defined in a FieldRVA table
- * @marshal_info: a pointer to the marshal signature that may have been
+ * @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_info can be NULL if you're not interested
+ * Either of offset, rva and marshal_spec can be NULL if you're not interested
* in the data.
*/
void
-mono_metadata_field_info (MonoMetadata *meta, guint32 index, guint32 *offset, const char **rva, const char **marshal_info)
+mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
+ MonoMarshalSpec **marshal_spec)
{
MonoTableInfo *tdef;
locator_t loc;
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_cli_rva_map (meta->image_info, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA));
+ *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
} else {
- *rva = NULL;
+ *rva = 0;
+ }
+ }
+ if (marshal_spec) {
+ const char *p;
+
+ if ((p = mono_metadata_get_marshal_info (meta, index, TRUE))) {
+ *marshal_spec = mono_metadata_parse_marshal_spec (meta, p);
}
}
* Returns: the index into the Constsnts table or 0 if not found.
*/
guint32
-mono_metadata_get_constant_index (MonoMetadata *meta, guint32 token)
+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 <<= HASCOSTANT_BITS;
+ index <<= HASCONSTANT_BITS;
switch (mono_metadata_token_table (token)) {
case MONO_TABLE_FIELD:
- index |= HASCOSTANT_FIEDDEF;
+ index |= HASCONSTANT_FIEDDEF;
break;
case MONO_TABLE_PARAM:
- index |= HASCOSTANT_PARAM;
+ index |= HASCONSTANT_PARAM;
break;
case MONO_TABLE_PROPERTY:
- index |= HASCOSTANT_PROPERTY;
+ index |= HASCONSTANT_PROPERTY;
break;
default:
g_warning ("Not a valid token for the constant table: 0x%08x", token);
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->data.array_data.elem_type = *ptr++;
+ if (ptr - start <= len)
+ res->data.array_data.param_num = mono_metadata_decode_value (ptr, &ptr);
+ if (ptr - start <= len)
+ res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
+ }
+
+ if (res->native == MONO_NATIVE_BYVALTSTR) {
+ if (ptr - start <= len)
+ res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
+ }
+
+ if (res->native == MONO_NATIVE_BYVALARRAY) {
+ if (ptr - start <= len)
+ res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
+ }
+
+ if (res->native == MONO_NATIVE_CUSTOM) {
+ /* skip unused type guid */
+ len = mono_metadata_decode_value (ptr, &ptr);
+ ptr += len;
+ /* skip unused native type name */
+ len = mono_metadata_decode_value (ptr, &ptr);
+ ptr += len;
+ /* read custom marshaler type name */
+ len = mono_metadata_decode_value (ptr, &ptr);
+ res->data.custom_data.custom_name = g_strndup (ptr, len);
+ ptr += len;
+ /* read cookie string */
+ len = mono_metadata_decode_value (ptr, &ptr);
+ res->data.custom_data.cookie = g_strndup (ptr, len);
+ }
+
+ 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_I1:
+ case MONO_NATIVE_U1:
+ return mspec->native;
+ 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_CLASS:
+ case MONO_TYPE_OBJECT: {
+ /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
+ 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);
+ }
+ }
+ if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
+ type->data.klass == mono_defaults.delegate_class ||
+ type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
+ *conv = MONO_MARSHAL_CONV_DEL_FTN;
+ return MONO_NATIVE_FUNC;
+ }
+ *conv = MONO_MARSHAL_CONV_OBJECT_STRUCT;
+ return MONO_NATIVE_STRUCT;
+ }
+ case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
+ case MONO_TYPE_TYPEDBYREF:
+ default:
+ g_error ("type 0x%02x not handled in marshal", t);
+ }
+ return MONO_NATIVE_MAX;
+}
+
+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));
+}
+
+static MonoMethod*
+method_from_method_def_or_ref (MonoImage *m, guint32 tok)
+{
+ guint32 idx = tok >> METHODDEFORREF_BITS;
+ switch (tok & METHODDEFORREF_MASK) {
+ case METHODDEFORREF_METHODDEF:
+ return mono_get_method (m, MONO_TOKEN_METHOD_DEF | idx, NULL);
+ case METHODDEFORREF_METHODREF:
+ return mono_get_method (m, MONO_TOKEN_MEMBER_REF | idx, NULL);
+ }
+ g_assert_not_reached ();
+ return NULL;
+}
+
+MonoMethod**
+mono_class_get_overrides (MonoImage *image, guint32 type_token, gint32 *num_overrides)
+{
+ locator_t loc;
+ MonoTableInfo *tdef = &image->tables [MONO_TABLE_METHODIMPL];
+ guint32 start, end;
+ gint32 i, num;
+ guint32 cols [MONO_METHODIMPL_SIZE];
+ MonoMethod **result;
+
+ if (num_overrides)
+ *num_overrides = 0;
+
+ if (!tdef->base)
+ return NULL;
+
+ loc.t = tdef;
+ loc.col_idx = MONO_METHODIMPL_CLASS;
+ loc.idx = mono_metadata_token_index (type_token);
+
+ if (!bsearch (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
+ return NULL;
+
+ start = loc.result;
+ end = start + 1;
+ /*
+ * We may end up in the middle of the rows...
+ */
+ while (start > 0) {
+ if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_METHODIMPL_CLASS))
+ start--;
+ else
+ break;
+ }
+ while (end < tdef->rows) {
+ if (loc.idx == mono_metadata_decode_row_col (tdef, end, MONO_METHODIMPL_CLASS))
+ end++;
+ else
+ break;
+ }
+ num = end - start;
+ result = g_new (MonoMethod*, num * 2);
+ for (i = 0; i < num; ++i) {
+ mono_metadata_decode_row (tdef, start + i, cols, MONO_METHODIMPL_SIZE);
+ result [i * 2] = method_from_method_def_or_ref (image, cols [MONO_METHODIMPL_DECLARATION]);
+ result [i * 2 + 1] = method_from_method_def_or_ref (image, cols [MONO_METHODIMPL_BODY]);
+ }
+
+ if (num_overrides)
+ *num_overrides = num;
+ return result;
+}
+
+/**
+ * mono_guid_to_string:
+ *
+ * Converts a 16 byte Microsoft GUID to the standard string representation.
+ */
+char *
+mono_guid_to_string (const guint8 *guid)
+{
+ return g_strdup_printf ("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
+ guid[3], guid[2], guid[1], guid[0],
+ guid[5], guid[4],
+ guid[7], guid[6],
+ guid[8], guid[9],
+ guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
+}
+
+static MonoClass**
+get_constraints (MonoImage *image, int owner)
+{
+ MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAMCONSTRAINT];
+ guint32 cols [MONO_GENPARCONSTRAINT_SIZE];
+ guint32 i, token, found;
+ MonoClass *klass, **res;
+ GList *cons = NULL, *tmp;
+
+
+ found = 0;
+ for (i = 0; i < tdef->rows; ++i) {
+ mono_metadata_decode_row (tdef, i, cols, MONO_GENPARCONSTRAINT_SIZE);
+ if (cols [MONO_GENPARCONSTRAINT_GENERICPAR] == owner) {
+ token = mono_metadata_token_from_dor (cols [MONO_GENPARCONSTRAINT_CONSTRAINT]);
+ klass = mono_class_get (image, token);
+ cons = g_list_append (cons, klass);
+ ++found;
+ } else {
+ /* contiguous list finished */
+ if (found)
+ break;
+ }
+ }
+ if (!found)
+ return NULL;
+ res = g_new0 (MonoClass*, found + 1);
+ for (i = 0, tmp = cons; i < found; ++i, tmp = tmp->next) {
+ res [i] = tmp->data;
+ }
+ g_list_free (cons);
+ return res;
+}
+
+MonoGenericParam *
+mono_metadata_load_generic_params (MonoImage *image, guint32 token, guint32 *num, MonoMethod *method)
+{
+ MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
+ guint32 cols [MONO_GENERICPARAM_SIZE];
+ guint32 i, owner, last_num, n;
+ MonoGenericParam *params;
+
+ if (mono_metadata_token_table (token) == MONO_TABLE_TYPEDEF)
+ owner = MONO_TYPEORMETHOD_TYPE;
+ else if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
+ owner = MONO_TYPEORMETHOD_METHOD;
+ else {
+ g_error ("wrong token %x to load_generics_params", token);
+ }
+ owner |= mono_metadata_token_index (token) << MONO_TYPEORMETHOD_BITS;
+ if (num)
+ *num = 0;
+ if (!tdef->base)
+ return NULL;
+
+ for (i = 0; i < tdef->rows; ++i) {
+ mono_metadata_decode_row (tdef, i, cols, MONO_GENERICPARAM_SIZE);
+ if (cols [MONO_GENERICPARAM_OWNER] == owner)
+ break;
+ }
+ last_num = 0;
+ if (i >= tdef->rows)
+ return NULL;
+ params = NULL;
+ n = 1;
+ do {
+ params = g_realloc (params, sizeof (MonoGenericParam) * n);
+ params [n - 1].method = method;
+ params [n - 1].flags = cols [MONO_GENERICPARAM_FLAGS];
+ params [n - 1].num = cols [MONO_GENERICPARAM_NUMBER];
+ params [n - 1].name = mono_metadata_string_heap (image, cols [MONO_GENERICPARAM_NAME]);
+ params [n - 1].constraints = get_constraints (image, i + 1);
+ if (++i >= tdef->rows)
+ break;
+ mono_metadata_decode_row (tdef, i, cols, MONO_GENERICPARAM_SIZE);
+ n++;
+ } while (cols [MONO_GENERICPARAM_OWNER] == owner);
+
+ if (num)
+ *num = n;
+ return params;
+}
+
projects / mono.git / blobdiff