[Driver] Always use -z rodynamic for Fuchsia

Fuchsia uses read-only .dynamic section.

Differential Revision: https://reviews.llvm.org/D35582

llvm-svn: 308390

3 files changed, 5 insertions, 0 deletions

diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp
index d8b8fe8f0bf..78053aafd16 100644
--- a/clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -46,6 +46,9 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   if (llvm::sys::path::stem(Exec).equals_lower("lld")) {
     CmdArgs.push_back("-flavor");
     CmdArgs.push_back("gnu");
+
+    CmdArgs.push_back("-z");
+    CmdArgs.push_back("rodynamic");
   }
 
   if (!D.SysRoot.empty())
diff --git a/clang/test/Driver/fuchsia.c b/clang/test/Driver/fuchsia.c
index 64d31cc0d38..405086f3f07 100644
--- a/clang/test/Driver/fuchsia.c
+++ b/clang/test/Driver/fuchsia.c
@@ -5,6 +5,7 @@
 // CHECK: "-isysroot" "[[SYSROOT:[^"]+]]"
 // CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
 // CHECK: {{.*}}lld{{.*}}" "-flavor" "gnu"
+// CHECK: "-z" "rodynamic"
 // CHECK: "--sysroot=[[SYSROOT]]"
 // CHECK: "-pie"
 // CHECK: "--build-id"
diff --git a/clang/test/Driver/fuchsia.cpp b/clang/test/Driver/fuchsia.cpp
index 4c3f7d29acd..20299c34268 100644
--- a/clang/test/Driver/fuchsia.cpp
+++ b/clang/test/Driver/fuchsia.cpp
@@ -7,6 +7,7 @@
 // CHECK: "-internal-isystem" "{{.*[/\\]}}x86_64-fuchsia{{/|\\\\}}include{{/|\\\\}}c++{{/|\\\\}}v1"
 // CHECK: "-internal-externc-isystem" "[[SYSROOT]]{{/|\\\\}}include"
 // CHECK: {{.*}}lld{{.*}}" "-flavor" "gnu"
+// CHECK: "-z" "rodynamic"
 // CHECK: "--sysroot=[[SYSROOT]]"
 // CHECK: "-pie"
 // CHECK: "--build-id"