WO2001048601A3 - Method for determining the degree to which code has been changed - Google Patents

Method for determining the degree to which code has been changed Download PDF

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Publication number
WO2001048601A3
WO2001048601A3 PCT/US2000/034827 US0034827W WO0148601A3 WO 2001048601 A3 WO2001048601 A3 WO 2001048601A3 US 0034827 W US0034827 W US 0034827W WO 0148601 A3 WO0148601 A3 WO 0148601A3
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WO
WIPO (PCT)
Prior art keywords
program
code
executed
differences
changed
Prior art date
Application number
PCT/US2000/034827
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French (fr)
Other versions
WO2001048601A2 (en
Inventor
Emmett Witchel
Christopher D Metcalf
Andrew E Ayers
Original Assignee
Incert Software Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Incert Software Corp filed Critical Incert Software Corp
Priority to AU25878/01A priority Critical patent/AU2587801A/en
Publication of WO2001048601A2 publication Critical patent/WO2001048601A2/en
Publication of WO2001048601A3 publication Critical patent/WO2001048601A3/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/70—Software maintenance or management
    • G06F8/71—Version control; Configuration management

Abstract

A method for determining changed code in a second program binary relative to a first or baseline program binary, where the second program is a different version of the first program, includes translating, responsive to symbol tables and/or control flow representations, machine addresses of both program binaries to symbols. The first and second program binaries are disassembled using the translated symbols. Differences between the two resulting disassemblies are determined, and a list of the differences is created. Differences between the program binaries can be determined by textually comparing the disassemblies, or alternatively, by determining the differences between the control flow representations of the programs. The list of differences can be presented to a user, or alternatively, can be passed to another process for further processing, such as test coverage analysis, code change analysis, or failure analysis, among other analyses. Analyzing changed code coverage includes marking code in the second program which is changed or different from the first program. The second program is then executed in a test environment, and code which is executed is marked as having been executed. Next, the second program is executed in a non-test environment, such as a production environment, and code which is executed in this second environment is marked accordingly. Finally, from the variously, marked code, a list of changed code which have not executed in the test environment but have executed in the non-test environment is provided.
PCT/US2000/034827 1999-12-29 2000-12-20 Method for determining the degree to which code has been changed WO2001048601A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25878/01A AU2587801A (en) 1999-12-29 2000-12-20 Method for determining the degree to which changed code has been exercised

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/474,389 1999-12-29
US09/474,389 US6748584B1 (en) 1999-12-29 1999-12-29 Method for determining the degree to which changed code has been exercised

Publications (2)

Publication Number Publication Date
WO2001048601A2 WO2001048601A2 (en) 2001-07-05
WO2001048601A3 true WO2001048601A3 (en) 2001-12-13

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PCT/US2000/034827 WO2001048601A2 (en) 1999-12-29 2000-12-20 Method for determining the degree to which code has been changed

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US (2) US6748584B1 (en)
AU (1) AU2587801A (en)
WO (1) WO2001048601A2 (en)

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