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6974176: ShouldNotReachHere, instanceKlass.cpp:1426

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2010-08-12 16:38:23 -07:00
parent b092cb33e6
commit 1d736d2851
2 changed files with 30 additions and 8 deletions
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5
hotspot/src/share/vm/code/nmethod.hpp
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@ -177,6 +177,10 @@ class nmethod : public CodeBlob {
// Protected by Patching_lock
unsigned char _state; // {alive, not_entrant, zombie, unloaded)
#ifdef ASSERT
bool _oops_are_stale; // indicates that it's no longer safe to access oops section
#endif
enum { alive = 0,
not_entrant = 1, // uncommon trap has happened but activations may still exist
zombie = 2,
@ -434,6 +438,7 @@ class nmethod : public CodeBlob {
oop* oop_addr_at(int index) const { // for GC
// relocation indexes are biased by 1 (because 0 is reserved)
assert(index > 0 && index <= oops_size(), "must be a valid non-zero index");
assert(!_oops_are_stale, "oops are stale");
return &oops_begin()[index - 1];
}