REG_RSP           137 maint/gnulib/lib/sigsegv.c #  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.gregs[REG_RSP]
REG_RSP           639 maint/gnulib/lib/sigsegv.c #  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.gregs[REG_RSP]