31 #include "oops/oop.inline.hpp"
32 #include "oops/valueArrayKlass.hpp"
33 #include "oops/valueArrayOop.hpp"
34 #include "oops/valueKlass.hpp"
35 #include "oops/valueKlass.inline.hpp"
36 #include "utilities/macros.hpp"
37
38 /*
39 * Warning incomplete: requires embedded oops, not yet enabled, so consider this a "sketch-up" of oop iterators
40 */
41
42 template <bool nv, typename T, class OopClosureType>
43 void ValueArrayKlass::oop_oop_iterate_elements_specialized(valueArrayOop a,
44 OopClosureType* closure) {
45 assert(contains_oops(), "Nothing to iterate");
46
47 const int shift = Klass::layout_helper_log2_element_size(layout_helper());
48 const int addr_incr = 1 << shift;
49 uintptr_t elem_addr = (uintptr_t) a->base();
50 const uintptr_t stop_addr = elem_addr + ((uintptr_t)a->length() << shift);
51 const int oop_offset = element_klass()->first_field_offset();
52
53 while (elem_addr < stop_addr) {
54 element_klass()->oop_iterate_specialized<nv, T>((address)(elem_addr - oop_offset), closure);
55 elem_addr += addr_incr;
56 }
57 }
58
59 template <bool nv, typename T, class OopClosureType>
60 void ValueArrayKlass::oop_oop_iterate_elements_specialized_bounded(valueArrayOop a,
61 OopClosureType* closure,
62 void* lo, void* hi) {
63 assert(contains_oops(), "Nothing to iterate");
64
65 const int shift = Klass::layout_helper_log2_element_size(layout_helper());
66 const int addr_incr = 1 << shift;
67 uintptr_t elem_addr = (uintptr_t)a->base();
68 uintptr_t stop_addr = elem_addr + ((uintptr_t)a->length() << shift);
69 const int oop_offset = element_klass()->first_field_offset();
70
71 if (elem_addr < (uintptr_t) lo) {
72 uintptr_t diff = ((uintptr_t) lo) - elem_addr;
73 elem_addr += (diff >> shift) << shift;
74 }
75 if (stop_addr > (uintptr_t) hi) {
76 uintptr_t diff = stop_addr - ((uintptr_t) hi);
77 stop_addr -= (diff >> shift) << shift;
78 }
79
80 const uintptr_t end = stop_addr;
81 while (elem_addr < end) {
82 element_klass()->oop_iterate_specialized_bounded<nv, T>((address)(elem_addr - oop_offset), closure, lo, hi);
83 elem_addr += addr_incr;
84 }
85 }
86
87 template <bool nv, class OopClosureType>
88 void ValueArrayKlass::oop_oop_iterate_elements(valueArrayOop a, OopClosureType* closure) {
89 if (contains_oops()) {
90 if (UseCompressedOops) {
91 oop_oop_iterate_elements_specialized<nv, narrowOop>(a, closure);
92 } else {
93 oop_oop_iterate_elements_specialized<nv, oop>(a, closure);
94 }
95 }
96 }
97
98 template <bool nv, typename OopClosureType>
99 void ValueArrayKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
100 assert(obj->is_valueArray(),"must be a value array");
101
102 if (Devirtualizer<nv>::do_metadata(closure)) {
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31 #include "oops/oop.inline.hpp"
32 #include "oops/valueArrayKlass.hpp"
33 #include "oops/valueArrayOop.hpp"
34 #include "oops/valueKlass.hpp"
35 #include "oops/valueKlass.inline.hpp"
36 #include "utilities/macros.hpp"
37
38 /*
39 * Warning incomplete: requires embedded oops, not yet enabled, so consider this a "sketch-up" of oop iterators
40 */
41
42 template <bool nv, typename T, class OopClosureType>
43 void ValueArrayKlass::oop_oop_iterate_elements_specialized(valueArrayOop a,
44 OopClosureType* closure) {
45 assert(contains_oops(), "Nothing to iterate");
46
47 const int shift = Klass::layout_helper_log2_element_size(layout_helper());
48 const int addr_incr = 1 << shift;
49 uintptr_t elem_addr = (uintptr_t) a->base();
50 const uintptr_t stop_addr = elem_addr + ((uintptr_t)a->length() << shift);
51 const int oop_offset = ((ValueKlass*)element_klass())->first_field_offset();
52
53 while (elem_addr < stop_addr) {
54 ((ValueKlass*)element_klass())->oop_iterate_specialized<nv, T>((address)(elem_addr - oop_offset), closure);
55 elem_addr += addr_incr;
56 }
57 }
58
59 template <bool nv, typename T, class OopClosureType>
60 void ValueArrayKlass::oop_oop_iterate_elements_specialized_bounded(valueArrayOop a,
61 OopClosureType* closure,
62 void* lo, void* hi) {
63 assert(contains_oops(), "Nothing to iterate");
64
65 const int shift = Klass::layout_helper_log2_element_size(layout_helper());
66 const int addr_incr = 1 << shift;
67 uintptr_t elem_addr = (uintptr_t)a->base();
68 uintptr_t stop_addr = elem_addr + ((uintptr_t)a->length() << shift);
69 const int oop_offset = ((ValueKlass*)element_klass())->first_field_offset();
70
71 if (elem_addr < (uintptr_t) lo) {
72 uintptr_t diff = ((uintptr_t) lo) - elem_addr;
73 elem_addr += (diff >> shift) << shift;
74 }
75 if (stop_addr > (uintptr_t) hi) {
76 uintptr_t diff = stop_addr - ((uintptr_t) hi);
77 stop_addr -= (diff >> shift) << shift;
78 }
79
80 const uintptr_t end = stop_addr;
81 while (elem_addr < end) {
82 ((ValueKlass*)element_klass())->oop_iterate_specialized_bounded<nv, T>((address)(elem_addr - oop_offset), closure, lo, hi);
83 elem_addr += addr_incr;
84 }
85 }
86
87 template <bool nv, class OopClosureType>
88 void ValueArrayKlass::oop_oop_iterate_elements(valueArrayOop a, OopClosureType* closure) {
89 if (contains_oops()) {
90 if (UseCompressedOops) {
91 oop_oop_iterate_elements_specialized<nv, narrowOop>(a, closure);
92 } else {
93 oop_oop_iterate_elements_specialized<nv, oop>(a, closure);
94 }
95 }
96 }
97
98 template <bool nv, typename OopClosureType>
99 void ValueArrayKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
100 assert(obj->is_valueArray(),"must be a value array");
101
102 if (Devirtualizer<nv>::do_metadata(closure)) {
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