20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "code/codeCache.hpp"
28 #include "code/compiledIC.hpp"
29 #include "code/icBuffer.hpp"
30 #include "code/nmethod.hpp"
31 #include "code/vtableStubs.hpp"
32 #include "interpreter/interpreter.hpp"
33 #include "interpreter/linkResolver.hpp"
34 #include "memory/metadataFactory.hpp"
35 #include "memory/oopFactory.hpp"
36 #include "memory/resourceArea.hpp"
37 #include "oops/method.inline.hpp"
38 #include "oops/oop.inline.hpp"
39 #include "oops/symbol.hpp"
40 #include "runtime/icache.hpp"
41 #include "runtime/sharedRuntime.hpp"
42 #include "runtime/stubRoutines.hpp"
43 #include "utilities/events.hpp"
44
45
46 // Every time a compiled IC is changed or its type is being accessed,
47 // either the CompiledIC_lock must be set or we must be at a safe point.
48
49 //-----------------------------------------------------------------------------
50 // Low-level access to an inline cache. Private, since they might not be
51 // MT-safe to use.
52
53 void* CompiledIC::cached_value() const {
54 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
55 assert (!is_optimized(), "an optimized virtual call does not have a cached metadata");
56
57 if (!is_in_transition_state()) {
58 void* data = get_data();
59 // If we let the metadata value here be initialized to zero...
|
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "code/codeCache.hpp"
28 #include "code/compiledIC.hpp"
29 #include "code/icBuffer.hpp"
30 #include "code/nmethod.hpp"
31 #include "code/vtableStubs.hpp"
32 #include "interpreter/interpreter.hpp"
33 #include "interpreter/linkResolver.hpp"
34 #include "memory/metadataFactory.hpp"
35 #include "memory/oopFactory.hpp"
36 #include "memory/resourceArea.hpp"
37 #include "oops/method.inline.hpp"
38 #include "oops/oop.inline.hpp"
39 #include "oops/symbol.hpp"
40 #include "runtime/handles.inline.hpp"
41 #include "runtime/icache.hpp"
42 #include "runtime/sharedRuntime.hpp"
43 #include "runtime/stubRoutines.hpp"
44 #include "utilities/events.hpp"
45
46
47 // Every time a compiled IC is changed or its type is being accessed,
48 // either the CompiledIC_lock must be set or we must be at a safe point.
49
50 //-----------------------------------------------------------------------------
51 // Low-level access to an inline cache. Private, since they might not be
52 // MT-safe to use.
53
54 void* CompiledIC::cached_value() const {
55 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
56 assert (!is_optimized(), "an optimized virtual call does not have a cached metadata");
57
58 if (!is_in_transition_state()) {
59 void* data = get_data();
60 // If we let the metadata value here be initialized to zero...
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