[driver] Add support for the --param ssp-buffer-size= driver option.

PR9673


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162285 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/clang/Frontend/CodeGenOptions.h b/include/clang/Frontend/CodeGenOptions.h
index 3e34093352..8610b8a89b 100644
--- a/include/clang/Frontend/CodeGenOptions.h
+++ b/include/clang/Frontend/CodeGenOptions.h
@@ -185,6 +185,9 @@ public:
   /// The run-time penalty for bounds checking, or 0 to disable.
   unsigned char BoundsChecking;
 
+  /// The lower bound for a buffer to be considered for stack protection.
+  unsigned SSPBufferSize;
+
   /// The default TLS model to use.
   TLSModel DefaultTLSModel;
 
@@ -241,6 +244,7 @@ public:
     StackRealignment = 0;
     StackAlignment = 0;
     BoundsChecking = 0;
+    SSPBufferSize = 8;
     UseInitArray = 0;
 
     DebugInfo = NoDebugInfo;