struct sigaction *oact);
int do_sigaltstack(const struct sigaltstack *ss, struct sigaltstack *oss);
-void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
+void gemu_log(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
void qerror(const char *fmt, ...);
void write_dt(void *ptr, unsigned long addr, unsigned long limit, int flags);