rsp               700 maint/gnulib/lib/sigsegv.c #  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.rsp
rsp               721 maint/gnulib/lib/sigsegv.c #  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.rsp