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35 lines
1.4 KiB
TeX
35 lines
1.4 KiB
TeX
\section{Introduction}
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\label{sec:intro}
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DataFlowAPI aggregates a collection of dataflow analysis algorithms that are
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useful in Dyninst development into a single library. These algorithms can also
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be foundations for users to build customized analyses. Currently, these algorithms include:
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\begin{itemize}[leftmargin=0pt,label=$\circ$]
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{\item {\scshape Slicing}
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takes a program location as input and can either slice
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backward to determine which instructions affect the results of the given program location, or
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slice forward to determine which instructions are affected by the results of the
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given program location. One key feature of our slicing implementation is that
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users can control where and when to stop slicing through a set of call back
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functions.
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}
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{\item {\scshape Stack Analysis}
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determines whether or not a register or memory location points to the stack. If it does point to the stack, Stack Analysis may be able to determine the exact stack location that is pointed to.
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}
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{\item {\scshape Symbolic Expansion and Evaluation}
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convert instructions to
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several symbolic expressions. Each symbolic expression represents the overall effects of
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these instructions on a register or a memory location.
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}
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{\item {\scshape Register Liveness}
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determines whether a register is live or not at a program
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location. A register is live at a program location if it will be used later in the program before its
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content is overwritten.
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}
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\end{itemize}
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