Patent · US Active

System and method of identification of dangling pointers

US7861231B2 · kind B2 · utility

16Cited by

9References

13Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Kumar Rangarajan · Bengaluru, IN
Satish Chandra Gupta · Peekskill, US
Ziv Glazberg · Haifa, IL
Ishai Rabinovitz · Haifa, IL

Key dates

Filing date	Mar 9, 2007
Grant date	Dec 28, 2010
Priority date	—
Expiry date	Oct 27, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06F11/366
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method and system to identifying the use of dangling pointers in software instrumentation irrespective of the location of the pointer in the memory. The main memory is preferably segmented into three parts defined as a first memory, a version segment and a pointer version segment. By use of the version segment and pointer version stored in the pointer version segment, checksum are made on a pointer version with a version on dereferencing a pointer in the first memory to identify references to a dangling pointer on negative determination. Identified dangling pointer may be reported to the end user.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.