Writing an IR from Scratch and survive to write a post
Eduardo Blázquez developed an Intermediate Representation (IR) for the Kunai Static Analyzer during his PhD, aiming to enhance Dalvik bytecode analysis. The project, shared on GitHub and published in SoftwareX, transitioned to Shuriken. Blázquez drew inspiration from Triton and LLVM, exploring various IR structures like ASTs and CFGs. MjolnIR, Kunai's IR, utilized a Medium Level IL design with control-flow graphs representing methods. Blázquez's approach involved studying compiler design resources.
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Eduardo Blázquez's personal webpage discusses his experience creating an Intermediate Representation (IR) for the Kunai Static Analyzer, a dalvik analysis library developed during his PhD. The IR aimed to facilitate analysis of Dalvik bytecode by transforming it into a structured format. The project, Kunai, was shared on GitHub and published in the journal SoftwareX. Despite being discontinued in favor of a new version called Shuriken, Blázquez reflects on the challenges and decisions involved in designing the IR. He drew inspiration from tools like Triton and projects like LLVM, exploring different IR structures such as Abstract Syntax Trees, Directed Acyclic Graphs, Control-Flow Graphs, Static-Single Assignment, Linear IR, and Stack-Machine IR. The IR for Kunai, named MjolnIR, adopted a Medium Level IL design to represent methods as control-flow graphs with blocks containing various statements like condition-flow instructions, expressions, and memory operations. Blázquez's approach involved studying books and projects related to compiler design to inform his IR development process.
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6 commentsContext: compilers
It also still made a tiny bit of sense in that context since you can easily set stuff on fire with IR laser
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