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.

Date of Patent:
Jun. 04, 2013

Filed:

Jun. 30, 2009
Applicants:

Cary A. Coutant, Saratoga, CA (US);

Christopher G. Demetriou, Redwood City, CA (US);

Inventors:

Cary A. Coutant, Saratoga, CA (US);

Christopher G. Demetriou, Redwood City, CA (US);

Assignee:

Google Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/45 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for optimizing the object code of a program is disclosed. A compiler generates, respectively, first and second object code segments for first and second source code segments of the program. If the two object code segments are determined to be identical, the compiler generates first and second debugging information entries in a compilation unit of the program and both entries include information for locating the first object code segment. The compiler inserts two entries into a call table in the compilation unit, each entry including information for locating a respective call site that invokes a respective source code segment within a call stack of the program and information for locating a respective debug information entry. The call table is used for associating an operation within the first object code segment with one of the first and second source code segments at runtime.


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