Q. Where can type information be gathered from?

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Q. What is the benefit of propagating type information from external calls to known system functions?

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Q. How can type information be propagated throughout the program?

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Q. Why is the process of propagating type information most effective when performed globally?

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Q. What is type propagation?

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Q. What is the purpose of gathering data type information from library calls and system calls?

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Q. What is the main challenge when extracting type information from native IA-32 executables?

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Q. What is the main challenge faced by decompilers when it comes to primitive data types?

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Q. What are the instructions used for up-converting a value from 8 or 16 bits to 32 bits or from 8 bits to 16 bits?

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Q. How can decompilers detect whether a certain variable contains a signed or unsigned value?

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Q. What instruction is used when comparing signed values?

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Q. Which instruction is used to up-convert unsigned values?

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Q. What is the first step in determining the data type of a struct or array?

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Q. How are structs usually accessed in code?

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Q. How are arrays typically accessed in code?

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Q. How does a decompiler determine whether a memory address represents a struct or an array?

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Q. What makes arrays fairly easy to locate in code?

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Q. What is the issue with recovering array versus data structure information?

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Q. How do compilers typically access array items?

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Q. How do some compilers perform aggressive loop unrolling?

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