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fcd

Fcd is an LLVM-based native program optimizing decompiler, released under an LLVM-style license. It started as a bachelor's degree senior project and carries forward its initial development philosophy of getting results fast. As such, it was architectured to have low coupling between distinct decompilation phases and to be highly hackable.

Fcd uses a unique technique to reliably translate machine code to LLVM IR. Currently, it only supports x86_64. Disassembly uses Capstone. It implements pattern-independent structuring to provide a goto-free output.

Fcd allows you to write custom optimization passes to help solve odd jobs. It also accepts header files to discover function prototypes.