[PATCH] D99377: [PowerPC] Add ROP Protection to prologue and epilogue

[Stefan Pintilie via Phabricator via llvm-commits]

stefanp created this revision.
stefanp added a reviewer: nemanjai.
Herald added subscribers: shchenz, kbarton, hiraditya.
stefanp requested review of this revision.
Herald added a project: LLVM.

Added hashst to the prologue and hashchk to the epilogue.
The hash for the prologue and epilogue must always be stored as the first
element in the local variable space on the stack.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99377

Files:
  llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
  llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
  llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.h
  llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
  llvm/lib/Target/PowerPC/PPCRegisterInfo.h
  llvm/test/CodeGen/PowerPC/ppc64-rop-protection.ll

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