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Make -mbranch-protection=bti the default on OpenBSD.
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ok deraadt@
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@kettenis
kettenis committed Apr 17, 2023
1 parent df816d4 commit 990129f
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3 changes: 3 additions & 0 deletions gnu/llvm/clang/lib/Driver/ToolChains/Clang.cpp
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Expand Up @@ -1818,6 +1818,9 @@ void Clang::AddAArch64TargetArgs(const ArgList &Args,
Args.MakeArgString(Twine("-msign-return-address-key=") + Key));
if (IndirectBranches)
CmdArgs.push_back("-mbranch-target-enforce");
} else {
if (Triple.isOSOpenBSD())
CmdArgs.push_back("-mbranch-target-enforce");
}

// Handle -msve_vector_bits=<bits>
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