================
@@ -1546,16 +1581,28 @@ static void CollectARMPACBTIOptions(const ToolChain
&TC, const ArgList &Args,
CmdArgs.push_back(
Args.MakeArgString(Twine("-msign-return-address=") + Scope));
- if (Scope != "none")
+ if (Scope != "none") {
+ if (Triple.getEnvironment() == llvm::Triple::PAuthTest)
+ D.Diag(diag::err_drv_unsupported_opt_for_target)
+ << A->getAsString(Args) << Triple.getTriple();
CmdArgs.push_back(
Args.MakeArgString(Twine("-msign-return-address-key=") + Key));
- if (BranchProtectionPAuthLR)
+ }
+ if (BranchProtectionPAuthLR) {
+ if (Triple.getEnvironment() == llvm::Triple::PAuthTest)
+ D.Diag(diag::err_drv_unsupported_opt_for_target)
+ << A->getAsString(Args) << Triple.getTriple();
CmdArgs.push_back(
Args.MakeArgString(Twine("-mbranch-protection-pauth-lr")));
+ }
if (IndirectBranches)
CmdArgs.push_back("-mbranch-target-enforce");
- if (GuardedControlStack)
+ if (GuardedControlStack) {
----------------
smithp35 wrote:
I think GuardedControlStack should be compatible with PAuthABI but there won't
be hardware available for some time so we could retrospectively support it
later after testing it.
Perhaps worth a comment that GCS is untested with PAuthABI, but could be
enabled after testing with a suitable system.
https://github.com/llvm/llvm-project/pull/97237
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