Method of performing a reverse analysis of a program and its app

Details Method of performing a reverse analysis of a program and its app Method of performing a reverse analysis of a program and its app

1995-06-30

1999-10-19

Trammell, James P.

395705, 395707, G06F 945

Patent

active

059702443

ABSTRACT:
A control flow is prepared by connecting blocks in an execution order, each block not including a branch and comprising a series of statement, based on a syntactical analysis of a program. A second control flow is prepared by cutting the first control flow at one portion and combining the cut result with a symbol designating a loop. A third control flow is prepared by expressing a portion of a loop, branch and merge in the second control flow and the second control flow in a hierarchical manner. The third control flow expresses a portion of a sequential execution other than the loop, branch and merge, a portion of the loop, and a portion of a branch and merge in a hierarchical order by using a symbol for a sequential execution. A specification of the program is extracted by using the third control flow.

REFERENCES:
patent: 4667290 (1987-05-01), Goss et al.
patent: 4965724 (1990-10-01), Utsumi et al.
patent: 5265253 (1993-11-01), Yamada
patent: 5437035 (1995-07-01), Horiuchi et al.
patent: 5450585 (1995-09-01), Johnson
patent: 5491823 (1996-02-01), Ruttenberg

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