Respect ToolChain::isPIEDefault() in constructing link job on Linux and FreeBSD.

Partially based on http://llvm-reviews.chandlerc.com/D2644 by Viktor Kutuzov.

llvm-svn: 202150

1 files changed, 8 insertions, 4 deletions

diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index fb98e1236b3..5f62601e9da 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -2446,6 +2446,14 @@ bool FreeBSD::UseSjLjExceptions() const {
   }
 }
 
+bool FreeBSD::HasNativeLLVMSupport() const {
+  return true;
+}
+
+bool FreeBSD::isPIEDefault() const {
+  return getSanitizerArgs().hasZeroBaseShadow();
+}
+
 /// NetBSD - NetBSD tool chain which can call as(1) and ld(1) directly.
 
 NetBSD::NetBSD(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
@@ -2996,10 +3004,6 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
   addPathIfExists(SysRoot + "/usr/lib", Paths);
 }
 
-bool FreeBSD::HasNativeLLVMSupport() const {
-  return true;
-}
-
 bool Linux::HasNativeLLVMSupport() const {
   return true;
 }