Patents by Inventor Gregory T. Reid

Gregory T. Reid has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for unwinding a program call stack
    Patent number: 6934939
    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.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: August 23, 2005
    Assignee: International Business Machines Corporation
    Inventors: Graham W. Ewart, Hans E. Boettiger, Patricia A. Healy, James T. Mulvey, Gregory T. Reid, David J. Sudlik
  • Method for unwinding a program call stack
    Publication number: 20020188931
    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.
    Type: Application
    Filed: February 28, 2001
    Publication date: December 12, 2002
    Applicant: International Business Machines Corporation
    Inventors: Graham W. Ewart, Hans E. Boettiger, Patricia A. Healy, James T. Mulvey, Gregory T. Reid, David J. Sudlik