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:
Aug. 23, 2005
Filed:
Feb. 28, 2001
Graham W. Ewart, Don Mills, CA;
Hans E. Boettiger, Tuebingen, DE;
Patricia A. Healy, Saugerties, NY (US);
James T. Mulvey, Red Hook, NY (US);
Gregory T. Reid, Miami Beach, FL (US);
David J. Sudlik, West Sbolean, NY (US);
Graham W. Ewart, Don Mills, CA;
Hans E. Boettiger, Tuebingen, DE;
Patricia A. Healy, Saugerties, NY (US);
James T. Mulvey, Red Hook, NY (US);
Gregory T. Reid, Miami Beach, FL (US);
David J. Sudlik, West Sbolean, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method is disclosed for instructing a computing system to unwind a program call stack that lacks explicit Stack Frame Backchain Pointers, including finding the called function's entry point, determining the return point in the calling function, placing a NOP instruction at the return point that contains embedded information about what type of call was used, and backing up in storage by an amount determined by using the address of the called function's entry point to locate the static data item containing the called function's DSA size.