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8203837: Split nmethod unloading from inline cache cleaning

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Refactor cleaning inline caches to after GC do_unloading.

Reviewed-by: thartmann, eosterlund
This commit is contained in:
Coleen Phillimore 2018-05-02 11:28:49 -04:00
parent f2a30dcb3e
commit 3e3414dbf3
15 changed files with 201 additions and 244 deletions
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10
src/hotspot/share/code/nmethod.hpp
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@ -484,18 +484,18 @@ public:
#endif
protected:
virtual bool do_unloading_oops(address low_boundary, BoolObjectClosure* is_alive, bool unloading_occurred);
virtual bool do_unloading_oops(address low_boundary, BoolObjectClosure* is_alive);
#if INCLUDE_JVMCI
// See comment for _jvmci_installed_code_triggers_unloading field.
// Returns whether this nmethod was unloaded.
virtual bool do_unloading_jvmci(bool unloading_occurred);
virtual bool do_unloading_jvmci();
#endif
private:
bool do_unloading_scopes(BoolObjectClosure* is_alive, bool unloading_occurred);
bool do_unloading_scopes(BoolObjectClosure* is_alive);
// Unload a nmethod if the *root object is dead.
bool can_unload(BoolObjectClosure* is_alive, oop* root, bool unloading_occurred);
bool unload_if_dead_at(RelocIterator *iter_at_oop, BoolObjectClosure* is_alive, bool unloading_occurred);
bool can_unload(BoolObjectClosure* is_alive, oop* root);
bool unload_if_dead_at(RelocIterator *iter_at_oop, BoolObjectClosure* is_alive);
public:
void oops_do(OopClosure* f) { oops_do(f, false); }