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6863023: need non-perm oops in code cache for JSR 292

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Make a special root-list for those few nmethods which might contain non-perm oops.

Reviewed-by: twisti, kvn, never, jmasa, ysr
This commit is contained in:
John R Rose 2009-09-15 21:53:47 -07:00
parent 1cf5b7ae11
commit e261aecad8
74 changed files with 979 additions and 279 deletions
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12
hotspot/src/share/vm/memory/genCollectedHeap.hpp
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@ -408,16 +408,22 @@ public:
// "SO_SystemClasses" to all the "system" classes and loaders;
// "SO_Symbols_and_Strings" applies the closure to all entries in
// SymbolsTable and StringTable.
void gen_process_strong_roots(int level, bool younger_gens_as_roots,
void gen_process_strong_roots(int level,
bool younger_gens_as_roots,
// The remaining arguments are in an order
// consistent with SharedHeap::process_strong_roots:
bool activate_scope,
bool collecting_perm_gen,
SharedHeap::ScanningOption so,
OopsInGenClosure* older_gens,
OopsInGenClosure* not_older_gens);
OopsInGenClosure* not_older_gens,
bool do_code_roots,
OopsInGenClosure* older_gens);
// Apply "blk" to all the weak roots of the system. These include
// JNI weak roots, the code cache, system dictionary, symbol table,
// string table, and referents of reachable weak refs.
void gen_process_weak_roots(OopClosure* root_closure,
CodeBlobClosure* code_roots,
OopClosure* non_root_closure);
// Set the saved marks of generations, if that makes sense.