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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24 extern long long stat_scan_object_called_nursery;
27 #define HANDLE_PTR(ptr,obj) do { \
28 void *__old = *(ptr); \
31 parallel_copy_object ((ptr), queue); \
33 DEBUG (9, if (__old != __copy) fprintf (gc_debug_file, "Overwrote field at %p with %p (was: %p)\n", (ptr), *(ptr), __old)); \
34 if (G_UNLIKELY (sgen_ptr_in_nursery (__copy) && !sgen_ptr_in_nursery ((ptr)))) \
35 sgen_add_to_global_remset ((ptr)); \
40 * Scan the object pointed to by @start for references to
41 * other objects between @from_start and @from_end and copy
42 * them to the gray_objects area.
45 parallel_scan_object (char *start, SgenGrayQueue *queue)
47 #include "sgen-scan-object.h"
49 HEAVY_STAT (++stat_scan_object_called_nursery);
55 * Scan the valuetype pointed to by START, described by DESC for references to
56 * other objects between @from_start and @from_end and copy them to the gray_objects area.
57 * Returns a pointer to the end of the object.
60 parallel_scan_vtype (char *start, mword desc, SgenGrayQueue *queue)
62 /* The descriptors include info about the MonoObject header as well */
63 start -= sizeof (MonoObject);
65 #define SCAN_OBJECT_NOVTABLE
66 #include "sgen-scan-object.h"
70 #define HANDLE_PTR(ptr,obj) do { \
71 void *__old = *(ptr); \
74 serial_copy_object ((ptr), queue); \
76 DEBUG (9, if (__old != __copy) fprintf (gc_debug_file, "Overwrote field at %p with %p (was: %p)\n", (ptr), *(ptr), __old)); \
77 if (G_UNLIKELY (sgen_ptr_in_nursery (__copy) && !sgen_ptr_in_nursery ((ptr)))) \
78 sgen_add_to_global_remset ((ptr)); \
83 serial_scan_object (char *start, SgenGrayQueue *queue)
85 #include "sgen-scan-object.h"
87 HEAVY_STAT (++stat_scan_object_called_nursery);
91 serial_scan_vtype (char *start, mword desc, SgenGrayQueue *queue)
93 /* The descriptors include info about the MonoObject header as well */
94 start -= sizeof (MonoObject);
96 #define SCAN_OBJECT_NOVTABLE
97 #include "sgen-scan-object.h"
100 #define FILL_MINOR_COLLECTOR_SCAN_OBJECT(collector) do { \
101 (collector)->parallel_ops.scan_object = parallel_scan_object; \
102 (collector)->parallel_ops.scan_vtype = parallel_scan_vtype; \
103 (collector)->serial_ops.scan_object = serial_scan_object; \
104 (collector)->serial_ops.scan_vtype = serial_scan_vtype; \