commit 2715b2871653e8b34183d0600fd31cd9d451a0c3
author Dan Albert <danalbert@google.com> Thu Mar 28 18:08:28 2019 +0000
committer Dan Albert <danalbert@google.com> Thu Mar 28 18:08:28 2019 +0000
tree c9f76f25a5899d021f17623ea406c0ea11cfe232
parent c25c9b4d162695c3537fdd0996c92290bcd30a9e

[Driver] Default Android toolchains to noexecstack.

Android does not support executable stacks.

Reviewers: srhines, pirama

Reviewed By: pirama

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D53343

llvm-svn: 357197

clang/lib/Driver/ToolChains/Gnu.cpp

diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 178e7f7..7b2dd67 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -360,6 +360,11 @@
     CmdArgs.push_back("--no-dynamic-linker");
   }
 
+  if (ToolChain.isNoExecStackDefault()) {
+    CmdArgs.push_back("-z");
+    CmdArgs.push_back("noexecstack");
+  }
+
   if (Args.hasArg(options::OPT_rdynamic))
     CmdArgs.push_back("-export-dynamic");
 
@@ -609,6 +614,10 @@
     }
   }
 
+  if (getToolChain().isNoExecStackDefault()) {
+      CmdArgs.push_back("--noexecstack");
+  }
+
   switch (getToolChain().getArch()) {
   default:
     break;