+ fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", \
+ __FILE__ , __LINE__ , ##args); } while (0)
+
+/* A prototype generic GNU/Hurd target. The client can override it
+ with local methods. */
+
+struct gnu_nat_target : public inf_child_target
+{
+ void attach (const char *, int) override;
+ bool attach_no_wait () override
+ { return true; }
+
+ void detach (inferior *, int) override;
+ void resume (ptid_t, int, enum gdb_signal) override;
+
+ ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
+ enum target_xfer_status xfer_partial (enum target_object object,
+ const char *annex,
+ gdb_byte *readbuf,
+ const gdb_byte *writebuf,
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len) override;
+
+ int find_memory_regions (find_memory_region_ftype func, void *data)
+ override;
+ void kill () override;
+
+ void create_inferior (const char *, const std::string &,
+ char **, int) override;
+ void mourn_inferior () override;
+ bool thread_alive (ptid_t ptid) override;
+ std::string pid_to_str (ptid_t) override;
+ void stop (ptid_t) override;
+
+ void inf_validate_procs (struct inf *inf);
+ void inf_suspend (struct inf *inf);
+ void inf_set_traced (struct inf *inf, int on);
+ void steal_exc_port (struct proc *proc, mach_port_t name);
+
+ /* Make sure that the state field in PROC is up to date, and return a
+ pointer to it, or 0 if something is wrong. If WILL_MODIFY is true,
+ makes sure that the thread is stopped and aborted first, and sets
+ the state_changed field in PROC to true. */
+ thread_state_t proc_get_state (struct proc *proc, int will_modify);
+
+private:
+ void inf_clear_wait (struct inf *inf);
+ void inf_cleanup (struct inf *inf);
+ void inf_startup (struct inf *inf, int pid);
+ int inf_update_suspends (struct inf *inf);
+ void inf_set_pid (struct inf *inf, pid_t pid);
+ void inf_steal_exc_ports (struct inf *inf);
+ void inf_validate_procinfo (struct inf *inf);
+ void inf_validate_task_sc (struct inf *inf);
+ void inf_restore_exc_ports (struct inf *inf);
+ void inf_set_threads_resume_sc (struct inf *inf,
+ struct proc *run_thread,
+ int run_others);
+ int inf_set_threads_resume_sc_for_signal_thread (struct inf *inf);
+ void inf_resume (struct inf *inf);
+ void inf_set_step_thread (struct inf *inf, struct proc *proc);
+ void inf_detach (struct inf *inf);
+ void inf_attach (struct inf *inf, int pid);
+ void inf_signal (struct inf *inf, enum gdb_signal sig);
+ void inf_continue (struct inf *inf);
+
+ struct proc *make_proc (struct inf *inf, mach_port_t port, int tid);
+ void proc_abort (struct proc *proc, int force);
+ struct proc *_proc_free (struct proc *proc);
+ int proc_update_sc (struct proc *proc);
+ kern_return_t proc_get_exception_port (struct proc *proc, mach_port_t * port);
+ kern_return_t proc_set_exception_port (struct proc *proc, mach_port_t port);
+ mach_port_t _proc_get_exc_port (struct proc *proc);
+ void proc_steal_exc_port (struct proc *proc, mach_port_t exc_port);
+ void proc_restore_exc_port (struct proc *proc);
+ int proc_trace (struct proc *proc, int set);
+};
+
+/* The final/concrete instance. */
+extern gnu_nat_target *gnu_target;
+
+#endif /* GNU_NAT_H */