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hahabigsky
2018 Jul 16
2
Collect all possible return address and write in a new section
Hi
I try to implement a coarse-grained CFI in LLVM
(CFI = Contorl Flow Integrity)
I want to collect all address after call instructions
address after a call equals to a valid return site in coarse-grained CFI
I want to add a new section
and write all the possible return address in the new section
(and then, add the integrity check)
I have some quetions:
(1)
Which part of LLVM code should