The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2019
Filed:
Sep. 22, 2015
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Olivier Jean Benoit, San Diego, CA (US);
Rosario Cammarota, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01); G06F 9/54 (2006.01); G06F 9/30 (2018.01); G06F 9/38 (2018.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 9/30098 (2013.01); G06F 9/30123 (2013.01); G06F 9/384 (2013.01); G06F 9/547 (2013.01); G06F 2009/4557 (2013.01);
Abstract
A method, apparatus, and system for utilizing a register virtualization mapping to improve defense against return-oriented programming-based attacks is disclosed. A register virtualization mapping, which is bijection between nominal registers and physical registers, is generated for a subroutine call when the subroutine call is detected. The register virtualization mapping is applied to instructions within the subroutine call. The register virtualization mapping is stopped for the subroutine call at the return of the subroutine call.