--- a/hotspot/src/share/vm/code/nmethod.hpp Fri Jan 29 08:33:24 2010 -0800
+++ b/hotspot/src/share/vm/code/nmethod.hpp Fri Jan 29 09:27:22 2010 -0800
@@ -95,6 +95,8 @@
unsigned int has_unsafe_access:1; // May fault due to unsafe access.
unsigned int has_method_handle_invokes:1; // Has this method MethodHandle invokes?
+ unsigned int speculatively_disconnected:1; // Marked for potential unload
+
void clear();
};
@@ -137,6 +139,7 @@
// To support simple linked-list chaining of nmethods:
nmethod* _osr_link; // from instanceKlass::osr_nmethods_head
nmethod* _scavenge_root_link; // from CodeCache::scavenge_root_nmethods
+ nmethod* _saved_nmethod_link; // from CodeCache::speculatively_disconnect
static nmethod* volatile _oops_do_mark_nmethods;
nmethod* volatile _oops_do_mark_link;
@@ -413,6 +416,9 @@
bool has_method_handle_invokes() const { return flags.has_method_handle_invokes; }
void set_has_method_handle_invokes(bool z) { flags.has_method_handle_invokes = z; }
+ bool is_speculatively_disconnected() const { return flags.speculatively_disconnected; }
+ void set_speculatively_disconnected(bool z) { flags.speculatively_disconnected = z; }
+
int level() const { return flags.level; }
void set_level(int newLevel) { check_safepoint(); flags.level = newLevel; }
@@ -437,6 +443,9 @@
nmethod* scavenge_root_link() const { return _scavenge_root_link; }
void set_scavenge_root_link(nmethod *n) { _scavenge_root_link = n; }
+ nmethod* saved_nmethod_link() const { return _saved_nmethod_link; }
+ void set_saved_nmethod_link(nmethod *n) { _saved_nmethod_link = n; }
+
public:
// Sweeper support