[llvm-dev] Enable Safe Stack for Baremetal?

Zhaoshi Zheng via llvm-dev llvm-dev at lists.llvm.org
Sun Mar 15 20:02:26 PDT 2020


I'm assessing the work required to enable Safe Stack for a bare metal target.
Looking at compiler-rt/lib/safestack/, the current implementation depends on thread support for mutex & storing unsafe stack pointer.
It also need several system calls: gettid, tgkill, mmap, munmap, mprotect.

Our target doesn't has all underlying support it needs. My question is: what's the minimum requirement to port Safe Stack to bare metal?

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