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6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this))

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Add another ResourceObj debug field to distinguish garbage

Reviewed-by: dholmes, coleenp
This commit is contained in:
Vladimir Kozlov 2010-12-10 14:14:02 -08:00
parent a9bee9ec34
commit 19a01fed97
3 changed files with 49 additions and 16 deletions
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4
hotspot/src/share/vm/memory/allocation.hpp
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@ -337,7 +337,9 @@ class ResourceObj ALLOCATION_SUPER_CLASS_SPEC {
// When this object is allocated on stack the new() operator is not
// called but garbage on stack may look like a valid allocation_type.
// Store negated 'this' pointer when new() is called to distinguish cases.
uintptr_t _allocation;
// Use second array's element for verification value to distinguish garbage.
uintptr_t _allocation_t[2];
bool is_type_set() const;
public:
allocation_type get_allocation_type() const;
bool allocated_on_stack() const { return get_allocation_type() == STACK_OR_EMBEDDED; }