Compilation scheme for tagged global variables
US11055202B1 · kind B1 · utility
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Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Dec 16, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F8/434
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for accessing a tagged global variable in software, including: randomly generating tags for global variables in the software; tagging the global variables with the random tags; creating a pointer to each global variable with the random tags in unused bits of the pointer wherein the pointer points to the associated global variable; accessing one global variable indirectly using the tagged pointer; determining whether tag on the accessed global variable matches the tag on the accessed pointer; and indicating a fault when the tag on the accessed global variable does not match the tag on the accessed pointer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.