-/*
- * sgen-descriptor.h: GC descriptors describe object layout.
-
+/**
+ * \file
+ * GC descriptors describe object layout.
+ *
* Copyright 2001-2003 Ximian, Inc
* Copyright 2003-2010 Novell, Inc.
* Copyright 2011 Xamarin Inc (http://www.xamarin.com)
*
* Copyright (C) 2012 Xamarin Inc
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License 2.0 as published by the Free Software Foundation;
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License 2.0 along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
*/
#ifndef __MONO_SGEN_DESCRIPTOR_H__
#define __MONO_SGEN_DESCRIPTOR_H__
#include <mono/sgen/sgen-conf.h>
-
/*
* ######################################################################
* ######## GC descriptors
ROOT_DESC_BITMAP,
ROOT_DESC_RUN_LEN,
ROOT_DESC_COMPLEX,
+ ROOT_DESC_VECTOR,
ROOT_DESC_USER,
ROOT_DESC_TYPE_MASK = 0x7,
ROOT_DESC_TYPE_SHIFT = 3,
};
-typedef void (*SgenUserMarkFunc) (void **addr, void *gc_data);
+typedef void (*SgenUserMarkFunc) (GCObject **addr, void *gc_data);
typedef void (*SgenUserRootMarkFunc) (void *addr, SgenUserMarkFunc mark_func, void *gc_data);
-void* sgen_make_user_root_descriptor (SgenUserRootMarkFunc marker);
+SgenDescriptor sgen_make_user_root_descriptor (SgenUserRootMarkFunc marker);
-gsize* sgen_get_complex_descriptor (mword desc);
-void* sgen_get_complex_descriptor_bitmap (mword desc);
-SgenUserRootMarkFunc sgen_get_user_descriptor_func (mword desc);
+gsize* sgen_get_complex_descriptor (SgenDescriptor desc);
+void* sgen_get_complex_descriptor_bitmap (SgenDescriptor desc);
+SgenUserRootMarkFunc sgen_get_user_descriptor_func (SgenDescriptor desc);
void sgen_init_descriptors (void);
#ifdef HEAVY_STATISTICS
-void sgen_descriptor_count_scanned_object (mword desc);
-void sgen_descriptor_count_copied_object (mword desc);
+void sgen_descriptor_count_scanned_object (SgenDescriptor desc);
+void sgen_descriptor_count_copied_object (SgenDescriptor desc);
#endif
static inline gboolean
-sgen_gc_descr_has_references (mword desc)
+sgen_gc_descr_has_references (SgenDescriptor desc)
{
/* This covers SMALL_PTRFREE and COMPLEX_PTRFREE */
if ((desc & DESC_TYPE_PTRFREE_MASK) == DESC_TYPE_PTRFREE_BITS)
_objptr += ((desc) >> 16) & 0xff; \
_objptr_end = _objptr + (((desc) >> 24) & 0xff); \
while (_objptr < _objptr_end) { \
- HANDLE_PTR (_objptr, (obj)); \
+ HANDLE_PTR ((GCObject**)_objptr, (obj)); \
_objptr++; \
}; \
} \
int _index = GNUC_BUILTIN_CTZ (_bmap); \
_objptr += _index; \
_bmap >>= (_index + 1); \
- HANDLE_PTR (_objptr, (obj)); \
+ HANDLE_PTR ((GCObject**)_objptr, (obj)); \
++_objptr; \
} while (_bmap); \
} while (0)
_objptr += OBJECT_HEADER_WORDS; \
do { \
if ((_bmap & 1)) { \
- HANDLE_PTR (_objptr, (obj)); \
+ HANDLE_PTR ((GCObject**)_objptr, (obj)); \
} \
_bmap >>= 1; \
++_objptr; \
} while (0)
#endif
-#define OBJ_COMPLEX_FOREACH_PTR(vt,obj) do { \
+#define OBJ_COMPLEX_FOREACH_PTR(desc,obj) do { \
/* there are pointers */ \
void **_objptr = (void**)(obj); \
gsize *bitmap_data = sgen_get_complex_descriptor ((desc)); \
/*g_print ("bitmap: 0x%x/%d at %p\n", _bmap, bwords, _objptr);*/ \
while (_bmap) { \
if ((_bmap & 1)) { \
- HANDLE_PTR (_objptr, (obj)); \
+ HANDLE_PTR ((GCObject**)_objptr, (obj)); \
} \
_bmap >>= 1; \
++_objptr; \
/* this one is untested */
#define OBJ_COMPLEX_ARR_FOREACH_PTR(desc,obj) do { \
/* there are pointers */ \
- GCVTable *vt = (GCVTable*)SGEN_LOAD_VTABLE (obj); \
+ GCVTable vt = SGEN_LOAD_VTABLE (obj); \
gsize *mbitmap_data = sgen_get_complex_descriptor ((desc)); \
gsize mbwords = (*mbitmap_data++) - 1; \
gsize el_size = sgen_client_array_element_size (vt); \
/*g_print ("bitmap: 0x%x\n", _bmap);*/ \
while (_bmap) { \
if ((_bmap & 1)) { \
- HANDLE_PTR (_objptr, (obj)); \
+ HANDLE_PTR ((GCObject**)_objptr, (obj)); \
} \
_bmap >>= 1; \
++_objptr; \
void **end_refs = (void**)((char*)p + el_size * sgen_client_array_length ((GCObject*)(obj))); \
/* Note: this code can handle also arrays of struct with only references in them */ \
while (p < end_refs) { \
- HANDLE_PTR (p, (obj)); \
+ HANDLE_PTR ((GCObject**)p, (obj)); \
++p; \
} \
} else if (etype == DESC_TYPE_V_RUN_LEN << 14) { \
int i; \
p += offset; \
for (i = 0; i < num_refs; ++i) { \
- HANDLE_PTR (p + i, (obj)); \
+ HANDLE_PTR ((GCObject**)p + i, (obj)); \
} \
e_start += el_size; \
} \
/* Note: there is no object header here to skip */ \
while (_bmap) { \
if ((_bmap & 1)) { \
- HANDLE_PTR (p, (obj)); \
+ HANDLE_PTR ((GCObject**)p, (obj)); \
} \
_bmap >>= 1; \
++p; \
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