From 5cc53c34c366fa8b6e389c7c1751c50c0f64041a Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 18 Sep 2008 07:54:21 +0000
Subject: Preliminary support for systems which require changing JIT memory
 regions privilege from read / write to read / executable.

llvm-svn: 56303
---
 llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp')

diff --git a/llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp b/llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp
index 02752a01cdd..4803fdf153d 100644
--- a/llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp
+++ b/llvm/lib/ExecutionEngine/JIT/JITEmitter.cpp
@@ -925,6 +925,9 @@ bool JITEmitter::finishFunction(MachineFunction &F) {
        << Relocations.size() << " relocations\n";
   Relocations.clear();
 
+  // Mark code region readable and executable if it's not so already.
+  sys::Memory::SetRXPrivilege(FnStart, FnEnd-FnStart);
+
 #ifndef NDEBUG
   {
   DOUT << std::hex;
-- 
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