long do_sigreturn(CPUArchState *env);
void force_sig_fault(int sig, int code, abi_ulong addr);
int host_to_target_signal(int sig);
+void host_to_target_sigset(target_sigset_t *d, const sigset_t *s);
void process_pending_signals(CPUArchState *env);
void queue_signal(CPUArchState *env, int sig, int si_type,
target_siginfo_t *info);
void signal_init(void);
int target_to_host_signal(int sig);
+void target_to_host_sigset(sigset_t *d, const target_sigset_t *s);
/*
* Within QEMU the top 8 bits of si_code indicate which of the parts of the