[PATCH] D50724: SafeStack: Disable Darwin support

[Vlad Tsyrklevich via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL339720: SafeStack: Disable Darwin support (authored by vlad.tsyrklevich, committed by ).
Herald added a subscriber: llvm-commits.

Repository:
  rL LLVM

https://reviews.llvm.org/D50724

Files:
  cfe/trunk/lib/Driver/ToolChains/Darwin.cpp


Index: cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
+++ cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
@@ -509,15 +509,6 @@
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles))
     getMachOToolChain().addStartObjectFileArgs(Args, CmdArgs);
 
-  // SafeStack requires its own runtime libraries
-  // These libraries should be linked first, to make sure the
-  // __safestack_init constructor executes before everything else
-  if (getToolChain().getSanitizerArgs().needsSafeStackRt()) {
-    getMachOToolChain().AddLinkRuntimeLib(Args, CmdArgs,
-                                          "libclang_rt.safestack_osx.a",
-                                          toolchains::Darwin::RLO_AlwaysLink);
-  }
-
   Args.AddAllArgs(CmdArgs, options::OPT_L);
 
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
@@ -2297,7 +2288,6 @@
   if (isTargetMacOS()) {
     if (!isMacosxVersionLT(10, 9))
       Res |= SanitizerKind::Vptr;
-    Res |= SanitizerKind::SafeStack;
     if (IsX86_64)
       Res |= SanitizerKind::Thread;
   } else if (isTargetIOSSimulator() || isTargetTvOSSimulator()) {


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