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ndbr
2018 Jan 31
0
RFC: No Control Flow Check Attribute
...ntended bytes in binary.
A new target independent command line option -fcf-protection=<branch/return/full/none> instruments control flow protection schemes to handle such attacks.
X86 Supports Indirect Branch Tracking (IBT) as part of Control-Flow Enforcement Technology (CET).
IBT instruments ENDBR instructions (when -fcf-protection=branch is asserted) used to specify valid targets of indirect call / jmp.
The `nocf_check` attribute indicates that no control-flow check will be performed on the attributed entity.
It disables -fcf-protection=<> for a specific entity to fine grain the HW...