Mercurial > hg > truffle
diff src/share/vm/oops/klassVtable.hpp @ 3245:8ce625481709
7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
Summary: Make CDS reorder vtables so that dump time vtables match run time order, so when redefine classes reinitializes them, they aren't in the wrong order.
Reviewed-by: dcubed, acorn
author | coleenp |
---|---|
date | Fri, 15 Apr 2011 09:36:28 -0400 |
parents | e5383553fd4e |
children | da91efe96a93 |
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--- a/src/share/vm/oops/klassVtable.hpp Thu Apr 14 23:06:33 2011 -0400 +++ b/src/share/vm/oops/klassVtable.hpp Fri Apr 15 09:36:28 2011 -0400 @@ -75,7 +75,15 @@ void initialize_vtable(bool checkconstraints, TRAPS); // initialize vtable of a new klass - // conputes vtable length (in words) and the number of miranda methods + // CDS/RedefineClasses support - clear vtables so they can be reinitialized + // at dump time. Clearing gives us an easy way to tell if the vtable has + // already been reinitialized at dump time (see dump.cpp). Vtables can + // be initialized at run time by RedefineClasses so dumping the right order + // is necessary. + void clear_vtable(); + bool is_initialized(); + + // computes vtable length (in words) and the number of miranda methods static void compute_vtable_size_and_num_mirandas(int &vtable_length, int &num_miranda_methods, klassOop super, objArrayOop methods, AccessFlags class_flags, Handle classloader,