Mercurial > hg > truffle
diff src/share/vm/oops/methodData.hpp @ 14674:53ed0f89f44e
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
Summary: concurrent update of traps with construction of ciMethodData
Reviewed-by: kvn, twisti
| author | roland |
|---|---|
| date | Wed, 05 Mar 2014 09:29:12 +0100 |
| parents | fdad2932c73f |
| children | b51e29501f30 |
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--- a/src/share/vm/oops/methodData.hpp Tue Mar 04 21:15:33 2014 -0800 +++ b/src/share/vm/oops/methodData.hpp Wed Mar 05 09:29:12 2014 +0100 @@ -190,12 +190,6 @@ void set_header(intptr_t value) { _header._bits = value; } - bool atomic_set_header(intptr_t value) { - if (Atomic::cmpxchg_ptr(value, (volatile intptr_t*)&_header._bits, 0) == 0) { - return true; - } - return false; - } intptr_t header() { return _header._bits; } @@ -2047,10 +2041,12 @@ // Cached hint for bci_to_dp and bci_to_data int _hint_di; + Mutex _extra_data_lock; + MethodData(methodHandle method, int size, TRAPS); public: static MethodData* allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS); - MethodData() {}; // For ciMethodData + MethodData() : _extra_data_lock(Monitor::leaf, "MDO extra data lock") {}; // For ciMethodData bool is_methodData() const volatile { return true; } @@ -2155,7 +2151,7 @@ // What is the index of the first data entry? int first_di() const { return 0; } - ProfileData* bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp); + ProfileData* bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp, bool concurrent); // Find or create an extra ProfileData: ProfileData* bci_to_extra_data(int bci, Method* m, bool create_if_missing);