From: Petr Hosek <phosek@chromium.org>
Date: Tue, 18 Jul 2017 23:23:16 +0000 (+0000)
Subject: [Driver] Always use -z rodynamic for Fuchsia
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e3d7c4c2aa532933c6d5ae473548a434a02a06a2;p=clang

[Driver] Always use -z rodynamic for Fuchsia

Fuchsia uses read-only .dynamic section.

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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308390 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/ToolChains/Fuchsia.cpp b/lib/Driver/ToolChains/Fuchsia.cpp
index d8b8fe8f0b..78053aafd1 100644
--- a/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/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/test/Driver/fuchsia.c b/test/Driver/fuchsia.c
index 64d31cc0d3..405086f3f0 100644
--- a/test/Driver/fuchsia.c
+++ b/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/test/Driver/fuchsia.cpp b/test/Driver/fuchsia.cpp
index 4c3f7d29ac..20299c3426 100644
--- a/test/Driver/fuchsia.cpp
+++ b/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"