17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_MEMORY_ARCHIVEUTILS_INLINE_HPP
26 #define SHARE_MEMORY_ARCHIVEUTILS_INLINE_HPP
27
28 #include "memory/archiveUtils.hpp"
29 #include "utilities/bitMap.inline.hpp"
30
31 template <bool COMPACTING>
32 inline bool SharedDataRelocator<COMPACTING>::do_bit(size_t offset) {
33 address* p = _patch_base + offset;
34 assert(_patch_base <= p && p < _patch_end, "must be");
35
36 address old_ptr = *p;
37 assert(_valid_old_base <= old_ptr && old_ptr < _valid_old_end, "must be");
38
39 if (COMPACTING) {
40 // Start-up performance: use a template parameter to elide this block for run-time archive
41 // relocation.
42 assert(Arguments::is_dumping_archive(), "Don't do this during run-time archive loading!");
43 if (old_ptr == NULL) {
44 _ptrmap->clear_bit(offset);
45 DEBUG_ONLY(log_trace(cds, reloc)("Clearing pointer [" PTR_FORMAT "] -> NULL @ " SIZE_FORMAT_W(9), p2i(p), offset));
46 return true;
47 } else {
48 _max_non_null_offset = offset;
49 }
50 } else {
51 assert(old_ptr != NULL, "bits for NULL pointers should have been cleaned at dump time");
52 }
53
54 address new_ptr = old_ptr + _delta;
55 assert(new_ptr != NULL, "don't point to the bottom of the archive"); // See ArchivePtrMarker::mark_pointer().
56 assert(_valid_new_base <= new_ptr && new_ptr < _valid_new_end, "must be");
57
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_MEMORY_ARCHIVEUTILS_INLINE_HPP
26 #define SHARE_MEMORY_ARCHIVEUTILS_INLINE_HPP
27
28 #include "memory/archiveUtils.hpp"
29 #include "utilities/bitMap.inline.hpp"
30
31 template <bool COMPACTING>
32 inline bool SharedDataRelocator<COMPACTING>::do_bit(size_t offset) {
33 address* p = _patch_base + offset;
34 assert(_patch_base <= p && p < _patch_end, "must be");
35
36 address old_ptr = *p;
37 if (old_ptr == NULL) {
38 assert(COMPACTING, "NULL pointers should not be marked when relocating at run-time");
39 } else {
40 assert(_valid_old_base <= old_ptr && old_ptr < _valid_old_end, "must be");
41 }
42
43 if (COMPACTING) {
44 // Start-up performance: use a template parameter to elide this block for run-time archive
45 // relocation.
46 assert(Arguments::is_dumping_archive(), "Don't do this during run-time archive loading!");
47 if (old_ptr == NULL) {
48 _ptrmap->clear_bit(offset);
49 DEBUG_ONLY(log_trace(cds, reloc)("Clearing pointer [" PTR_FORMAT "] -> NULL @ " SIZE_FORMAT_W(9), p2i(p), offset));
50 return true;
51 } else {
52 _max_non_null_offset = offset;
53 }
54 } else {
55 assert(old_ptr != NULL, "bits for NULL pointers should have been cleaned at dump time");
56 }
57
58 address new_ptr = old_ptr + _delta;
59 assert(new_ptr != NULL, "don't point to the bottom of the archive"); // See ArchivePtrMarker::mark_pointer().
60 assert(_valid_new_base <= new_ptr && new_ptr < _valid_new_end, "must be");
61
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