1 files changed, 20 insertions, 5 deletions
diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/Fuchsia.cpp b/contrib/llvm-project/clang/lib/Driver/ToolChains/Fuchsia.cpp
index e7d38ff9f227..808d0408d0d4 100644
--- a/contrib/llvm-project/clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -46,6 +46,9 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   // handled somewhere else.
   Args.ClaimAllArgs(options::OPT_w);
 
+  CmdArgs.push_back("-z");
+  CmdArgs.push_back("now");
+
   const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
   if (llvm::sys::path::filename(Exec).equals_lower("ld.lld") ||
       llvm::sys::path::stem(Exec).equals_lower("ld.lld")) {
@@ -224,7 +227,7 @@ Fuchsia::Fuchsia(const Driver &D, const llvm::Triple &Triple,
 std::string Fuchsia::ComputeEffectiveClangTriple(const ArgList &Args,
                                                  types::ID InputType) const {
   llvm::Triple Triple(ComputeLLVMTriple(Args, InputType));
-  return (Triple.getArchName() + "-" + Triple.getOSName()).str();
+  return Triple.str();
 }
 
 Tool *Fuchsia::buildLinker() const {
@@ -258,9 +261,9 @@ Fuchsia::GetCXXStdlibType(const ArgList &Args) const {
 void Fuchsia::addClangTargetOptions(const ArgList &DriverArgs,
                                     ArgStringList &CC1Args,
                                     Action::OffloadKind) const {
-  if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
-                         options::OPT_fno_use_init_array, true))
-    CC1Args.push_back("-fuse-init-array");
+  if (!DriverArgs.hasFlag(options::OPT_fuse_init_array,
+                          options::OPT_fno_use_init_array, true))
+    CC1Args.push_back("-fno-use-init-array");
 }
 
 void Fuchsia::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
@@ -343,5 +346,17 @@ SanitizerMask Fuchsia::getSupportedSanitizers() const {
 }
 
 SanitizerMask Fuchsia::getDefaultSanitizers() const {
-  return SanitizerKind::SafeStack;
+  SanitizerMask Res;
+  switch (getTriple().getArch()) {
+  case llvm::Triple::aarch64:
+    Res |= SanitizerKind::ShadowCallStack;
+    break;
+  case llvm::Triple::x86_64:
+    Res |= SanitizerKind::SafeStack;
+    break;
+  default:
+    // TODO: Enable SafeStack on RISC-V once tested.
+    break;
+  }
+  return Res;
 }