Static virtualization of C source code | Zendy

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Static virtualization of C source code

Author(s) -

Jansen Sam,

McGregor Anthony

Publication year - 2007

Publication title -

software: practice and experience

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 70

eISSN - 1097-024X

pISSN - 0038-0644

DOI - 10.1002/spe.836

Subject(s) - computer science , virtualization , source code , operating system , code (set theory) , programming language , thread (computing) , parallel computing , cloud computing , set (abstract data type)

Many existing systems are written in C and are not re‐entrant or thread safe. Sometimes these systems are required in a context for which they were not first designed, possibly meaning they now need to be re‐entrant. This article introduces a program that filters C source code, modifying shared resources (the global variables) to make the code re‐entrant: ‘virtualizing’ the code. The code is then compiled as normal. This approach allows programmatic virtualization with little cost at runtime. Copyright © 2007 John Wiley & Sons, Ltd.

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