13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
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_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
27
28 #include "gc_implementation/g1/concurrentMark.hpp"
29 #include "gc_implementation/g1/g1CollectedHeap.hpp"
30 #include "gc_implementation/g1/g1AllocRegion.inline.hpp"
31 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
32 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
33 #include "gc_implementation/g1/heapRegionSet.inline.hpp"
34 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
35 #include "runtime/orderAccess.inline.hpp"
36 #include "utilities/taskqueue.hpp"
37
38 // Inline functions for G1CollectedHeap
39
40 // Return the region with the given index. It assumes the index is valid.
41 inline HeapRegion* G1CollectedHeap::region_at(uint index) const { return _hrs.at(index); }
42
43 inline uint G1CollectedHeap::addr_to_region(HeapWord* addr) const {
44 assert(is_in_reserved(addr),
45 err_msg("Cannot calculate region index for address "PTR_FORMAT" that is outside of the heap ["PTR_FORMAT", "PTR_FORMAT")",
46 p2i(addr), p2i(_reserved.start()), p2i(_reserved.end())));
47 return (uint)(pointer_delta(addr, _reserved.start(), sizeof(uint8_t)) >> HeapRegion::LogOfHRGrainBytes);
48 }
49
50 inline HeapWord* G1CollectedHeap::bottom_addr_for_region(uint index) const {
51 return _hrs.reserved().start() + index * HeapRegion::GrainWords;
52 }
53
54 template <class T>
55 inline HeapRegion* G1CollectedHeap::heap_region_containing_raw(const T addr) const {
56 assert(addr != NULL, "invariant");
57 assert(is_in_g1_reserved((const void*) addr),
58 err_msg("Address "PTR_FORMAT" is outside of the heap ranging from ["PTR_FORMAT" to "PTR_FORMAT")",
59 p2i((void*)addr), p2i(g1_reserved().start()), p2i(g1_reserved().end())));
60 return _hrs.addr_to_region((HeapWord*) addr);
61 }
62
63 template <class T>
64 inline HeapRegion* G1CollectedHeap::heap_region_containing(const T addr) const {
65 HeapRegion* hr = heap_region_containing_raw(addr);
66 if (hr->continuesHumongous()) {
67 return hr->humongous_start_region();
68 }
69 return hr;
70 }
71
72 inline void G1CollectedHeap::reset_gc_time_stamp() {
73 _gc_time_stamp = 0;
74 OrderAccess::fence();
75 // Clear the cached CSet starting regions and time stamps.
76 // Their validity is dependent on the GC timestamp.
77 clear_cset_start_regions();
78 }
79
80 inline void G1CollectedHeap::increment_gc_time_stamp() {
81 ++_gc_time_stamp;
82 OrderAccess::fence();
83 }
84
85 inline void G1CollectedHeap::old_set_remove(HeapRegion* hr) {
86 _old_set.remove(hr);
87 }
88
89 inline bool G1CollectedHeap::obj_in_cs(oop obj) {
90 HeapRegion* r = _hrs.addr_to_region((HeapWord*) obj);
91 return r != NULL && r->in_collection_set();
92 }
93
94 inline HeapWord* G1CollectedHeap::attempt_allocation(size_t word_size,
95 unsigned int* gc_count_before_ret,
96 int* gclocker_retry_count_ret) {
97 assert_heap_not_locked_and_not_at_safepoint();
98 assert(!isHumongous(word_size), "attempt_allocation() should not "
99 "be called for humongous allocation requests");
100
101 HeapWord* result = _mutator_alloc_region.attempt_allocation(word_size,
102 false /* bot_updates */);
103 if (result == NULL) {
104 result = attempt_allocation_slow(word_size,
105 gc_count_before_ret,
106 gclocker_retry_count_ret);
107 }
108 assert_heap_not_locked();
109 if (result != NULL) {
110 dirty_young_block(result, word_size);
|
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
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_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
27
28 #include "gc_implementation/g1/concurrentMark.hpp"
29 #include "gc_implementation/g1/g1CollectedHeap.hpp"
30 #include "gc_implementation/g1/g1AllocRegion.inline.hpp"
31 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
32 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
33 #include "gc_implementation/g1/heapRegionManager.inline.hpp"
34 #include "gc_implementation/g1/heapRegionSet.inline.hpp"
35 #include "runtime/orderAccess.inline.hpp"
36 #include "utilities/taskqueue.hpp"
37
38 // Inline functions for G1CollectedHeap
39
40 // Return the region with the given index. It assumes the index is valid.
41 inline HeapRegion* G1CollectedHeap::region_at(uint index) const { return _hrm.at(index); }
42
43 inline uint G1CollectedHeap::addr_to_region(HeapWord* addr) const {
44 assert(is_in_reserved(addr),
45 err_msg("Cannot calculate region index for address "PTR_FORMAT" that is outside of the heap ["PTR_FORMAT", "PTR_FORMAT")",
46 p2i(addr), p2i(_reserved.start()), p2i(_reserved.end())));
47 return (uint)(pointer_delta(addr, _reserved.start(), sizeof(uint8_t)) >> HeapRegion::LogOfHRGrainBytes);
48 }
49
50 inline HeapWord* G1CollectedHeap::bottom_addr_for_region(uint index) const {
51 return _hrm.reserved().start() + index * HeapRegion::GrainWords;
52 }
53
54 template <class T>
55 inline HeapRegion* G1CollectedHeap::heap_region_containing_raw(const T addr) const {
56 assert(addr != NULL, "invariant");
57 assert(is_in_g1_reserved((const void*) addr),
58 err_msg("Address "PTR_FORMAT" is outside of the heap ranging from ["PTR_FORMAT" to "PTR_FORMAT")",
59 p2i((void*)addr), p2i(g1_reserved().start()), p2i(g1_reserved().end())));
60 return _hrm.addr_to_region((HeapWord*) addr);
61 }
62
63 template <class T>
64 inline HeapRegion* G1CollectedHeap::heap_region_containing(const T addr) const {
65 HeapRegion* hr = heap_region_containing_raw(addr);
66 if (hr->continuesHumongous()) {
67 return hr->humongous_start_region();
68 }
69 return hr;
70 }
71
72 inline void G1CollectedHeap::reset_gc_time_stamp() {
73 _gc_time_stamp = 0;
74 OrderAccess::fence();
75 // Clear the cached CSet starting regions and time stamps.
76 // Their validity is dependent on the GC timestamp.
77 clear_cset_start_regions();
78 }
79
80 inline void G1CollectedHeap::increment_gc_time_stamp() {
81 ++_gc_time_stamp;
82 OrderAccess::fence();
83 }
84
85 inline void G1CollectedHeap::old_set_remove(HeapRegion* hr) {
86 _old_set.remove(hr);
87 }
88
89 inline bool G1CollectedHeap::obj_in_cs(oop obj) {
90 HeapRegion* r = _hrm.addr_to_region((HeapWord*) obj);
91 return r != NULL && r->in_collection_set();
92 }
93
94 inline HeapWord* G1CollectedHeap::attempt_allocation(size_t word_size,
95 unsigned int* gc_count_before_ret,
96 int* gclocker_retry_count_ret) {
97 assert_heap_not_locked_and_not_at_safepoint();
98 assert(!isHumongous(word_size), "attempt_allocation() should not "
99 "be called for humongous allocation requests");
100
101 HeapWord* result = _mutator_alloc_region.attempt_allocation(word_size,
102 false /* bot_updates */);
103 if (result == NULL) {
104 result = attempt_allocation_slow(word_size,
105 gc_count_before_ret,
106 gclocker_retry_count_ret);
107 }
108 assert_heap_not_locked();
109 if (result != NULL) {
110 dirty_young_block(result, word_size);
|