+ namespace Priv {
+ // Return the caller's PC. It'd be nice if GCC had a builtin for
+ // the current PC, so that a simple relocation could be used rather
+ // than a function call. OPT: put this in lowlevel-lib, so that
+ // architectures can provide a faster version.
+
+ unsigned long get_pc();
+
+ static inline bool in_kernel()
+ {