+public:
+ /// SSPLayoutKind. Stack Smashing Protection (SSP) rules require that
+ /// vulnerable stack allocations are located close the stack protector.
+ enum SSPLayoutKind {
+ SSPLK_None, ///< Did not trigger a stack protector. No effect on data
+ ///< layout.
+ SSPLK_LargeArray, ///< Array or nested array >= SSP-buffer-size. Closest
+ ///< to the stack protector.
+ SSPLK_SmallArray, ///< Array or nested array < SSP-buffer-size. 2nd closest
+ ///< to the stack protector.
+ SSPLK_AddrOf ///< The address of this allocation is exposed and
+ ///< triggered protection. 3rd closest to the protector.
+ };
+
+ /// A mapping of AllocaInsts to their required SSP layout.
+ typedef ValueMap<const AllocaInst *, SSPLayoutKind> SSPLayoutMap;
+
+private: