/* Native debugging support for GNU/Linux (LWP layer).
- Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ Copyright (C) 2000-2019 Free Software Foundation, Inc.
This file is part of GDB.
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 LINUX_NAT_H
+#define LINUX_NAT_H
+
#include "nat/linux-nat.h"
#include "inf-ptrace.h"
#include "target.h"
ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
- void pass_signals (int, unsigned char *) override;
+ void pass_signals (gdb::array_view<const unsigned char>) override;
enum target_xfer_status xfer_partial (enum target_object object,
const char *annex,
void update_thread_list () override;
- const char *pid_to_str (ptid_t) override;
+ std::string pid_to_str (ptid_t) override;
const char *thread_name (struct thread_info *) override;
virtual bool low_stopped_data_address (CORE_ADDR *addr_p)
{ return false; }
+
+ /* The method to call, if any, when a new thread is attached. */
+ virtual void low_new_thread (struct lwp_info *)
+ {}
+
+ /* The method to call, if any, when a thread is destroyed. */
+ virtual void low_delete_thread (struct arch_lwp_info *lp)
+ {
+ gdb_assert (lp == NULL);
+ }
+
+ /* The method to call, if any, when a new fork is attached. */
+ virtual void low_new_fork (struct lwp_info *parent, pid_t child_pid)
+ {}
+
+ /* The method to call, if any, when a process is no longer
+ attached. */
+ virtual void low_forget_process (pid_t pid)
+ {}
+
+ /* Hook to call prior to resuming a thread. */
+ virtual void low_prepare_to_resume (struct lwp_info *)
+ {}
+
+ /* Convert a ptrace/host siginfo object, into/from the siginfo in
+ the layout of the inferiors' architecture. Returns true if any
+ conversion was done; false otherwise, in which case the caller
+ does a straight memcpy. If DIRECTION is 1, then copy from INF to
+ PTRACE. If DIRECTION is 0, copy from PTRACE to INF. */
+ virtual bool low_siginfo_fixup (siginfo_t *ptrace, gdb_byte *inf,
+ int direction)
+ { return false; }
+
+ /* SIGTRAP-like breakpoint status events recognizer. The default
+ recognizes SIGTRAP only. */
+ virtual bool low_status_is_event (int status);
};
/* The final/concrete instance. */
left stopped.) */
extern void linux_unstop_all_lwps (void);
-/* Register a method to call whenever a new thread is attached. */
-void linux_nat_set_new_thread (struct target_ops *, void (*) (struct lwp_info *));
-
-/* Register a method to call whenever a new thread is deleted. */
-void linux_nat_set_delete_thread (struct target_ops *,
- void (*) (struct arch_lwp_info *));
-
-/* Register a method to call whenever a new fork is attached. */
-typedef void (linux_nat_new_fork_ftype) (struct lwp_info *parent,
- pid_t child_pid);
-void linux_nat_set_new_fork (struct target_ops *ops,
- linux_nat_new_fork_ftype *fn);
-
-/* Register a method to call whenever a process is killed or
- detached. */
-typedef void (linux_nat_forget_process_ftype) (pid_t pid);
-void linux_nat_set_forget_process (struct target_ops *ops,
- linux_nat_forget_process_ftype *fn);
-
-/* Call the method registered with the function above. PID is the
- process to forget about. */
-void linux_nat_forget_process (pid_t pid);
-
-/* Register a method that converts a siginfo object between the layout
- that ptrace returns, and the layout in the architecture of the
- inferior. */
-void linux_nat_set_siginfo_fixup (struct target_ops *,
- int (*) (siginfo_t *,
- gdb_byte *,
- int));
-
-/* Register a method to call prior to resuming a thread. */
-
-void linux_nat_set_prepare_to_resume (struct target_ops *,
- void (*) (struct lwp_info *));
-
/* Update linux-nat internal state when changing from one fork
to another. */
void linux_nat_switch_fork (ptid_t new_ptid);
uninitialized in such case). */
int linux_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo);
-/* Set alternative SIGTRAP-like events recognizer. */
-void linux_nat_set_status_is_event (struct target_ops *t,
- int (*status_is_event) (int status));
+#endif /* LINUX_NAT_H */