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cs8803SC_lecture18

cs8803SC_lecture18 - CS8803SC Software and Hardware...

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1 CS8803SC Software and Hardware Cooperative Computing Pin Software Architecture Prof. Hyesoon Kim School of Computer Science Georgia Institute of Technology Review Pin • Pin – Binary instrumentation tool – Can be used as a profiler, trace generator, trace analyzer, architecture simulator Instrumentation routines define where instrumentation is inserted Analysis routines define what to do when instrumentation is activated
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2 Today’s Goal Pin’s architecture – C.-K. Luk, et al. “Pin: Building customized program analysis tools with dynamic instrumentation,” PLDI’05 Pin Software Architecture
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3 Injecting Pin The injector loads Pin into the address space of an application. Unix Ptrace API Pin loads Pintool into the address space and starts it running. Pin creates the initial context and starts jitting the application at the entry point JIT Compiler Pin compiles from one ISA to the same Isa w/o an intermediate format One trace at a time Compiled code is stored at the code cache
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