[PATCH] D84414: [RISCV] Support Shadow Call Stack

[Z. Zheng via Phabricator via llvm-commits]

zzheng updated this revision to Diff 287428.
zzheng added a comment.

Rebased & ping...

IMHO, the patch is in good shape. As we discussed in the bi-weekly meetings, RV32E only has 16 registers. Systems based on RV32E may have limited memory as well. Besides, LLVM does not have full support for RV32E yet. We can commit this patch as-is and change it later if RV32E needs SCS.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84414/new/

https://reviews.llvm.org/D84414

Files:
  clang/lib/Driver/SanitizerArgs.cpp
  clang/lib/Driver/ToolChain.cpp
  clang/test/CodeGen/shadowcallstack-attr.c
  clang/test/Driver/sanitizer-ld.c
  llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
  llvm/lib/Target/RISCV/Utils/RISCVBaseInfo.cpp
  llvm/lib/Target/RISCV/Utils/RISCVBaseInfo.h
  llvm/test/CodeGen/RISCV/shadowcallstack.ll

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