[PATCH] D59034: Delete x86_64 ShadowCallStack support
Vlad Tsyrklevich via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 6 11:12:31 PST 2019
vlad.tsyrklevich created this revision.
vlad.tsyrklevich added a reviewer: pcc.
Herald added subscribers: llvm-commits, Sanitizers, cfe-commits, jdoerfert, hiraditya, javed.absar, mgorny.
Herald added projects: clang, Sanitizers, LLVM.
ShadowCallStack on x86_64 suffered from the same racy security issues as
Return Flow Guard and had performance overhead as high as 13% depending
on the benchmark. x86_64 ShadowCallStack was always an experimental
feature and never shipped a runtime required to support it, as such
there are no expected downstream users.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D59034
Files:
clang/docs/ShadowCallStack.rst
compiler-rt/cmake/config-ix.cmake
compiler-rt/test/shadowcallstack/libc_support.h
compiler-rt/test/shadowcallstack/lit.cfg
compiler-rt/test/shadowcallstack/minimal_runtime.h
compiler-rt/test/shadowcallstack/overflow-aarch64.c
compiler-rt/test/shadowcallstack/overflow-x86_64.c
compiler-rt/test/shadowcallstack/overflow.c
llvm/lib/Target/X86/CMakeLists.txt
llvm/lib/Target/X86/ShadowCallStack.cpp
llvm/lib/Target/X86/X86.h
llvm/lib/Target/X86/X86TargetMachine.cpp
llvm/test/CodeGen/X86/O0-pipeline.ll
llvm/test/CodeGen/X86/O3-pipeline.ll
llvm/test/CodeGen/X86/shadow-call-stack.mir
llvm/utils/gn/secondary/llvm/lib/Target/X86/BUILD.gn
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