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comparison src/share/vm/memory/allocation.hpp @ 2015:79d8657be916

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6993125: runThese crashes with assert(Thread::current()->on_local_stack((address)this)) Summary: add another ResourceObj debug field to distinguish garbage Reviewed-by: dholmes, coleenp
author kvn
date Fri, 10 Dec 2010 14:14:02 -0800
parents f95d63e2154a
children f7de3327c683
comparison
equal deleted inserted replaced
2014:4de5f4101cfd 2015:79d8657be916
335 #ifdef ASSERT 335 #ifdef ASSERT
336 private: 336 private:
337 // When this object is allocated on stack the new() operator is not 337 // When this object is allocated on stack the new() operator is not
338 // called but garbage on stack may look like a valid allocation_type. 338 // called but garbage on stack may look like a valid allocation_type.
339 // Store negated 'this' pointer when new() is called to distinguish cases. 339 // Store negated 'this' pointer when new() is called to distinguish cases.
340 uintptr_t _allocation; 340 // Use second array's element for verification value to distinguish garbage.
341 uintptr_t _allocation_t[2];
342 bool is_type_set() const;
341 public: 343 public:
342 allocation_type get_allocation_type() const; 344 allocation_type get_allocation_type() const;
343 bool allocated_on_stack() const { return get_allocation_type() == STACK_OR_EMBEDDED; } 345 bool allocated_on_stack() const { return get_allocation_type() == STACK_OR_EMBEDDED; }
344 bool allocated_on_res_area() const { return get_allocation_type() == RESOURCE_AREA; } 346 bool allocated_on_res_area() const { return get_allocation_type() == RESOURCE_AREA; }
345 bool allocated_on_C_heap() const { return get_allocation_type() == C_HEAP; } 347 bool allocated_on_C_heap() const { return get_allocation_type() == C_HEAP; }