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.:

US 9767004 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 19, 2017

Filed:

Jun. 16, 2014
Applicant:

Symantec Corporation, Mountain View, CA (US);

Inventors:

Hong Yi Yang, Chengdu, CN;

Rui Guo, Chengdu, CN;

Assignee:

Symantec Corporation, Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01); G06F 11/36 (2006.01); G06F 9/45 (2006.01);
U.S. Cl.
CPC ...
G06F 11/3624 (2013.01); G06F 8/53 (2013.01);
Abstract

Embodiments presented herein describe techniques to track and correct indirect function calls in disassembled object code. Assembly language source code is generated from a binary executable object. The assembly language source code may include indirect function calls. Memory addresses associated with the function calls are identified. A central processing unit (CPU) interrupt instruction is inserted in the disassembled source code at each indirect function call. The disassembled source code is executed. When the interrupt at each indirect function call is triggered, the function name of a function referenced by a register may be determined.


Find Patent Forward Citations

Yang, Hong. (2017). Dynamic call tracking method based on cpu interrupt instructions to improve disassembly quality of indirect calls (U.S. Patent No. 9767004). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9767004

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