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harvard-acc / LLVM-Tracer

An LLVM pass to profile dynamic LLVM IR instructions and runtime values
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Modify LLVM tracer to make Fault Injection #10

Closed andrestoga closed 7 years ago

andrestoga commented 8 years ago

Hi Sophia,

This is not an issue. I just want to ask you for help in understanding your code and see if it is possible to modify it to do a dynamic fault injection since you are doing a dynamic trace. I checked the full_trace.cpp source code and I saw that there is a function named "createCallForParameterLine". I wonder if in that function I can modify the register of a particular instruction and inject a wrong value? If so, could you give me a hint on how I can accomplish that?

Best,

ysshao commented 8 years ago

hi @andrestoga , I think it's definitely doable. I would recommend you to check out the LLFI project to see how they get the fault injection done. You can find the project here:

https://github.com/DependableSystemsLab/LLFI

xyzsam commented 7 years ago

Closing due to lack of discussion.