Fix up -fstack-protector on linux to use the segment

registers.  Split out testcases per architecture and os
now.

Patch from Nelson Elhage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107640 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index eb048f6..497a025 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -749,6 +749,14 @@ public:
   /// getFunctionAlignment - Return the Log2 alignment of this function.
   virtual unsigned getFunctionAlignment(const Function *) const = 0;
 
+  /// getStackCookieLocation - Return true if the target stores stack
+  /// protector cookies at a fixed offset in some non-standard address
+  /// space, and populates the address space and offset as
+  /// appropriate.
+  virtual bool getStackCookieLocation(unsigned &AddressSpace, unsigned &Offset) const {
+    return false;
+  }
+
   //===--------------------------------------------------------------------===//
   // TargetLowering Optimization Methods
   //