2 * Copyright 2001-2003 Ximian, Inc
3 * Copyright 2003-2010 Novell, Inc.
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10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
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18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 extern long long stat_scan_object_called_nursery;
26 #if defined(SGEN_SIMPLE_NURSERY)
27 #define serial_scan_object simple_nursery_serial_scan_object
28 #define serial_scan_vtype simple_nursery_serial_scan_vtype
29 #define parallel_scan_object simple_nursery_parallel_scan_object
30 #define parallel_scan_vtype simple_nursery_parallel_scan_vtype
32 #elif defined (SGEN_SPLIT_NURSERY)
33 #define serial_scan_object split_nursery_serial_scan_object
34 #define serial_scan_vtype split_nursery_serial_scan_vtype
35 #define parallel_scan_object split_nursery_parallel_scan_object
36 #define parallel_scan_vtype split_nursery_parallel_scan_vtype
39 #error "Please define GC_CONF_NAME"
43 #define HANDLE_PTR(ptr,obj) do { \
44 void *__old = *(ptr); \
47 parallel_copy_object ((ptr), queue); \
49 DEBUG (9, if (__old != __copy) fprintf (gc_debug_file, "Overwrote field at %p with %p (was: %p)\n", (ptr), *(ptr), __old)); \
50 if (G_UNLIKELY (sgen_ptr_in_nursery (__copy) && !sgen_ptr_in_nursery ((ptr)))) \
51 sgen_add_to_global_remset ((ptr)); \
56 * Scan the object pointed to by @start for references to
57 * other objects between @from_start and @from_end and copy
58 * them to the gray_objects area.
61 parallel_scan_object (char *start, SgenGrayQueue *queue)
63 #include "sgen-scan-object.h"
65 HEAVY_STAT (++stat_scan_object_called_nursery);
71 * Scan the valuetype pointed to by START, described by DESC for references to
72 * other objects between @from_start and @from_end and copy them to the gray_objects area.
73 * Returns a pointer to the end of the object.
76 parallel_scan_vtype (char *start, mword desc, SgenGrayQueue *queue)
78 /* The descriptors include info about the MonoObject header as well */
79 start -= sizeof (MonoObject);
81 #define SCAN_OBJECT_NOVTABLE
82 #include "sgen-scan-object.h"
86 #define HANDLE_PTR(ptr,obj) do { \
87 void *__old = *(ptr); \
90 serial_copy_object ((ptr), queue); \
92 DEBUG (9, if (__old != __copy) fprintf (gc_debug_file, "Overwrote field at %p with %p (was: %p)\n", (ptr), *(ptr), __old)); \
93 if (G_UNLIKELY (sgen_ptr_in_nursery (__copy) && !sgen_ptr_in_nursery ((ptr)))) \
94 sgen_add_to_global_remset ((ptr)); \
99 serial_scan_object (char *start, SgenGrayQueue *queue)
101 #include "sgen-scan-object.h"
103 HEAVY_STAT (++stat_scan_object_called_nursery);
107 serial_scan_vtype (char *start, mword desc, SgenGrayQueue *queue)
109 /* The descriptors include info about the MonoObject header as well */
110 start -= sizeof (MonoObject);
112 #define SCAN_OBJECT_NOVTABLE
113 #include "sgen-scan-object.h"
116 #define FILL_MINOR_COLLECTOR_SCAN_OBJECT(collector) do { \
117 (collector)->parallel_ops.scan_object = parallel_scan_object; \
118 (collector)->parallel_ops.scan_vtype = parallel_scan_vtype; \
119 (collector)->serial_ops.scan_object = serial_scan_object; \
120 (collector)->serial_ops.scan_vtype = serial_scan_vtype; \