/* Native debugging support for GNU/Linux (LWP layer).
- Copyright (C) 2000-2012 Free Software Foundation, Inc.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
This file is part of GDB.
struct arch_lwp_info;
-/* Ways to "resume" a thread. */
-
-enum resume_kind
-{
- /* Thread should continue. */
- resume_continue,
-
- /* Thread should single-step. */
- resume_step,
-
- /* Thread should be stopped. */
- resume_stop
-};
-
/* Structure describing an LWP. This is public only for the purposes
of ALL_LWPS; target-specific code should generally not access it
directly. */
/* Non-zero if we were stepping this LWP. */
int step;
- /* Non-zero si_signo if this LWP stopped with a trap. si_addr may
- be the address of a hardware watchpoint. */
- struct siginfo siginfo;
-
/* STOPPED_BY_WATCHPOINT is non-zero if this LWP stopped with a data
watchpoint trap. */
int stopped_by_watchpoint;
(LP) != NULL; \
(LP) = (LP)->next)
-#define GET_LWP(ptid) ptid_get_lwp (ptid)
-#define GET_PID(ptid) ptid_get_pid (ptid)
-#define is_lwp(ptid) (GET_LWP (ptid) != 0)
-#define BUILD_LWP(lwp, pid) ptid_build (pid, lwp, 0)
-
/* Attempt to initialize libthread_db. */
void check_for_thread_db (void);
void linux_proc_pending_signals (int pid, sigset_t *pending,
sigset_t *blocked, sigset_t *ignored);
-/* linux-nat functions for handling fork events. */
-extern void linux_enable_event_reporting (ptid_t ptid);
-
extern int lin_lwp_attach_lwp (ptid_t ptid);
extern void linux_stop_lwp (struct lwp_info *lwp);
void *),
void *data);
-typedef int (*linux_nat_iterate_watchpoint_lwps_ftype) (struct lwp_info *lwp,
- void *arg);
-
-extern void linux_nat_iterate_watchpoint_lwps
- (linux_nat_iterate_watchpoint_lwps_ftype callback, void *callback_data);
-
/* Create a prototype generic GNU/Linux target. The client can
override it with local methods. */
struct target_ops * linux_target (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 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 (*) (struct siginfo *,
+ int (*) (siginfo_t *,
gdb_byte *,
int));
to another. */
void linux_nat_switch_fork (ptid_t new_ptid);
-/* Return the saved siginfo associated with PTID. */
-struct siginfo *linux_nat_get_siginfo (ptid_t ptid);
-
-/* Compute and return the processor core of a given thread. */
-int linux_nat_core_of_thread_1 (ptid_t ptid);
+/* Store the saved siginfo associated with PTID in *SIGINFO.
+ Return 1 if it was retrieved successfully, 0 otherwise (*SIGINFO is
+ 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,