/* Common things used by the various *gnu-nat.c files
- Copyright (C) 1995-2014 Free Software Foundation, Inc.
+ Copyright (C) 1995-2020 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef __GNU_NAT_H__
-#define __GNU_NAT_H__
+#ifndef GNU_NAT_H
+#define GNU_NAT_H
-#include <unistd.h>
+#include "defs.h"
+
+/* Work around conflict between Mach's 'thread_info' function, and GDB's
+ 'thread_info' class. Make the former available as 'mach_thread_info'. */
+#define thread_info mach_thread_info
+/* Mach headers are not yet ready for C++ compilation. */
+extern "C"
+{
#include <mach.h>
+}
+#undef thread_info
+/* Divert 'mach_thread_info' to the original Mach 'thread_info' function. */
+extern __typeof__ (mach_thread_info) mach_thread_info asm ("thread_info");
+
+#include <unistd.h>
+
+#include "inf-child.h"
struct inf;
extern int __proc_pid (struct proc *proc);
-/* 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. */
-extern thread_state_t proc_get_state (struct proc *proc, int will_modify);
-
/* Return printable description of proc. */
extern char *proc_string (struct proc *proc);
__proc_pid (__proc), __proc->tid, \
host_address_to_string (__proc) , ##args); } while (0)
-extern int gnu_debug_flag;
+extern bool gnu_debug_flag;
#define debug(msg, args...) \
do { if (gnu_debug_flag) \
fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", \
__FILE__ , __LINE__ , ##args); } while (0)
-/* Create a prototype generic GNU/Hurd target. The client can
- override it with local methods. */
-struct target_ops *gnu_target (void);
-
-#endif /* __GNU_NAT_H__ */
+/* 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 */
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