+2018-05-02 Pedro Alves <palves@redhat.com>
+
+ * linux-nat.h (linux_nat_target) <low_new_thread,
+ low_delete_thread, low_new_fork, low_forget_process,
+ low_prepare_to_resume, low_siginfo_fixup, low_status_is_event>:
+ New virtual methods.
+ (linux_nat_set_new_thread, linux_nat_set_delete_thread)
+ (linux_nat_new_fork_ftype, linux_nat_set_new_fork)
+ (linux_nat_forget_process_ftype, linux_nat_set_forget_process)
+ (linux_nat_forget_process, linux_nat_set_siginfo_fixup)
+ (linux_nat_set_prepare_to_resume, linux_nat_set_status_is_event):
+ Delete.
+ * linux-fork.c (delete_fork): Adjust to call low method.
+ * linux-nat.c (linux_nat_new_thread, linux_nat_delete_thread)
+ (linux_nat_new_fork, linux_nat_forget_process_hook)
+ (linux_nat_prepare_to_resume, linux_nat_siginfo_fixup)
+ (linux_nat_status_is_event):
+ (linux_nat_target::follow_fork, lwp_free, add_lwp, detach_one_lwp)
+ (linux_resume_one_lwp_throw, linux_handle_extended_wait): Adjust
+ to call low method.
+ (sigtrap_is_event): Rename to ...
+ (linux_nat_target::low_status_is_event): ... this.
+ (linux_nat_set_status_is_event): Delete.
+ (save_stop_reason, linux_nat_wait_1)
+ (linux_nat_target::mourn_inferior, siginfo_fixup): Adjust to call
+ low methods.
+ (linux_nat_set_new_thread, linux_nat_set_delete_thread)
+ (linux_nat_set_new_fork, linux_nat_set_forget_process)
+ (linux_nat_forget_process, linux_nat_set_siginfo_fixup)
+ (linux_nat_set_prepare_to_resume): Delete.
+ * aarch64-linux-nat.c: All linux_nat_set_* callbacks converted to
+ low virtual methods.
+ * amd64-linux-nat.c: Likewise.
+ * arm-linux-nat.c: Likewise.
+ * i386-linux-nat.c: Likewise.
+ * ia64-linux-nat.c: Likewise.
+ * mips-linux-nat.c: Likewise.
+ * ppc-linux-nat.c: Likewise.
+ * s390-linux-nat.c: Likewise.
+ * sparc64-linux-nat.c: Likewise.
+ * x86-linux-nat.c: Likewise.
+ * x86-linux-nat.h: Include "nat/x86-linux.h".
+ (x86_linux_nat_target) <low_new_fork, low_forget_process,
+ low_prepare_to_resume, low_new_thread, low_delete_thread>:
+ Override methods.
+
2018-05-02 Pedro Alves <palves@redhat.com>
* target.h (target_ops)
/* Override the GNU/Linux inferior startup hook. */
void post_startup_inferior (ptid_t) override;
+
+ /* These three defer to common nat/ code. */
+ void low_new_thread (struct lwp_info *lp) override
+ { aarch64_linux_new_thread (lp); }
+ void low_delete_thread (struct arch_lwp_info *lp) override
+ { aarch64_linux_delete_thread (lp); }
+ void low_prepare_to_resume (struct lwp_info *lp) override
+ { aarch64_linux_prepare_to_resume (lp); }
+
+ void low_new_fork (struct lwp_info *parent, pid_t child_pid) override;
+ void low_forget_process (pid_t pid) override;
+
+ /* Add our siginfo layout converter. */
+ bool low_siginfo_fixup (siginfo_t *ptrace, gdb_byte *inf, int direction)
+ override;
};
static aarch64_linux_nat_target the_aarch64_linux_nat_target;
/* Called whenever GDB is no longer debugging process PID. It deletes
data structures that keep track of debug register state. */
-static void
-aarch64_forget_process (pid_t pid)
+void
+aarch64_linux_nat_target::low_forget_process (pid_t pid)
{
struct aarch64_process_info *proc, **proc_link;
/* linux_nat_new_fork hook. */
-static void
-aarch64_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
+void
+aarch64_linux_nat_target::low_new_fork (struct lwp_info *parent,
+ pid_t child_pid)
{
pid_t parent_pid;
struct aarch64_debug_reg_state *parent_state;
void
aarch64_linux_nat_target::post_startup_inferior (ptid_t ptid)
{
- aarch64_forget_process (ptid_get_pid (ptid));
+ low_forget_process (ptid_get_pid (ptid));
aarch64_linux_get_debug_reg_capacity (ptid_get_pid (ptid));
linux_nat_target::post_startup_inferior (ptid);
}
from INF to NATIVE. If DIRECTION is 0, copy from NATIVE to
INF. */
-static int
-aarch64_linux_siginfo_fixup (siginfo_t *native, gdb_byte *inf, int direction)
+bool
+aarch64_linux_nat_target::low_siginfo_fixup (siginfo_t *native, gdb_byte *inf,
+ int direction)
{
struct gdbarch *gdbarch = get_frame_arch (get_current_frame ());
aarch64_siginfo_from_compat_siginfo (native,
(struct compat_siginfo *) inf);
- return 1;
+ return true;
}
- return 0;
+ return false;
}
/* Returns the number of hardware watchpoints of type TYPE that we can
/* Register the target. */
linux_target = &the_aarch64_linux_nat_target;
add_target (t);
- linux_nat_set_new_thread (t, aarch64_linux_new_thread);
- linux_nat_set_delete_thread (t, aarch64_linux_delete_thread);
- linux_nat_set_new_fork (t, aarch64_linux_new_fork);
- linux_nat_set_forget_process (t, aarch64_forget_process);
- linux_nat_set_prepare_to_resume (t, aarch64_linux_prepare_to_resume);
-
- /* Add our siginfo layout converter. */
- linux_nat_set_siginfo_fixup (t, aarch64_linux_siginfo_fixup);
}
/* Add our register access methods. */
void fetch_registers (struct regcache *, int) override;
void store_registers (struct regcache *, int) override;
+
+ bool low_siginfo_fixup (siginfo_t *ptrace, gdb_byte *inf, int direction)
+ override;
};
static amd64_linux_nat_target the_amd64_linux_nat_target;
from INF to PTRACE. If DIRECTION is 0, copy from PTRACE to
INF. */
-static int
-amd64_linux_siginfo_fixup (siginfo_t *ptrace, gdb_byte *inf, int direction)
+bool
+amd64_linux_nat_target::low_siginfo_fixup (siginfo_t *ptrace,
+ gdb_byte *inf,
+ int direction)
{
struct gdbarch *gdbarch = get_frame_arch (get_current_frame ());
/* Is the inferior 32-bit? If so, then do fixup the siginfo
object. */
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
- return amd64_linux_siginfo_fixup_common (ptrace, inf, direction,
- FIXUP_32);
+ return amd64_linux_siginfo_fixup_common (ptrace, inf, direction,
+ FIXUP_32);
/* No fixup for native x32 GDB. */
else if (gdbarch_addr_bit (gdbarch) == 32 && sizeof (void *) == 8)
- return amd64_linux_siginfo_fixup_common (ptrace, inf, direction,
- FIXUP_X32);
+ return amd64_linux_siginfo_fixup_common (ptrace, inf, direction,
+ FIXUP_X32);
else
- return 0;
+ return false;
}
void
linux_target = &the_amd64_linux_nat_target;
/* Add the target. */
- x86_linux_add_target (linux_target);
-
- /* Add our siginfo layout converter. */
- linux_nat_set_siginfo_fixup (linux_target, amd64_linux_siginfo_fixup);
+ add_target (linux_target);
}
bool watchpoint_addr_within_range (CORE_ADDR, CORE_ADDR, int) override;
const struct target_desc *read_description () override;
+
+ /* Override linux_nat_target low methods. */
+
+ /* Handle thread creation and exit. */
+ void low_new_thread (struct lwp_info *lp) override;
+ void low_delete_thread (struct arch_lwp_info *lp) override;
+ void low_prepare_to_resume (struct lwp_info *lp) override;
+
+ /* Handle process creation and exit. */
+ void low_new_fork (struct lwp_info *parent, pid_t child_pid) override;
+ void low_forget_process (pid_t pid) override;
};
static arm_linux_nat_target the_arm_linux_nat_target;
/* Called whenever GDB is no longer debugging process PID. It deletes
data structures that keep track of debug register state. */
-static void
-arm_linux_forget_process (pid_t pid)
+void
+arm_linux_nat_target::low_forget_process (pid_t pid)
{
struct arm_linux_process_info *proc, **proc_link;
/* Handle thread creation. We need to copy the breakpoints and watchpoints
in the parent thread to the child thread. */
-static void
-arm_linux_new_thread (struct lwp_info *lp)
+void
+arm_linux_nat_target::low_new_thread (struct lwp_info *lp)
{
int i;
struct arch_lwp_info *info = XCNEW (struct arch_lwp_info);
/* Function to call when a thread is being deleted. */
-static void
-arm_linux_delete_thread (struct arch_lwp_info *arch_lwp)
+void
+arm_linux_nat_target::low_delete_thread (struct arch_lwp_info *arch_lwp)
{
xfree (arch_lwp);
}
/* Called when resuming a thread.
The hardware debug registers are updated when there is any change. */
-static void
-arm_linux_prepare_to_resume (struct lwp_info *lwp)
+void
+arm_linux_nat_target::low_prepare_to_resume (struct lwp_info *lwp)
{
int pid, i;
struct arm_linux_hw_breakpoint *bpts, *wpts;
/* linux_nat_new_fork hook. */
-static void
-arm_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
+void
+arm_linux_nat_target::low_new_fork (struct lwp_info *parent, pid_t child_pid)
{
pid_t parent_pid;
struct arm_linux_debug_reg_state *parent_state;
/* Register the target. */
linux_target = &the_arm_linux_nat_target;
add_target (t);
-
- /* Handle thread creation and exit. */
- linux_nat_set_new_thread (t, arm_linux_new_thread);
- linux_nat_set_delete_thread (t, arm_linux_delete_thread);
- linux_nat_set_prepare_to_resume (t, arm_linux_prepare_to_resume);
-
- /* Handle process creation and exit. */
- linux_nat_set_new_fork (t, arm_linux_new_fork);
- linux_nat_set_forget_process (t, arm_linux_forget_process);
}
linux_target = &the_i386_linux_nat_target;
/* Add the target. */
- x86_linux_add_target (linux_target);
+ add_target (linux_target);
}
struct expression *) override;
int remove_watchpoint (CORE_ADDR, int, enum target_hw_bp_type,
struct expression *) override;
+ /* Override linux_nat_target low methods. */
+ void low_new_thread (struct lwp_info *lp) override;
+ bool low_status_is_event (int status) override;
};
static ia64_linux_nat_target the_ia64_linux_nat_target;
ia64 does not use gdbarch_decr_pc_after_break so we do not have to make any
difference for the signals here. */
-static int
-ia64_linux_status_is_event (int status)
+bool
+ia64_linux_nat_target::low_status_is_event (int status)
{
return WIFSTOPPED (status) && (WSTOPSIG (status) == SIGTRAP
|| WSTOPSIG (status) == SIGILL);
/* Register the target. */
linux_target = &the_ia64_linux_nat_target;
add_target (t);
- linux_nat_set_new_thread (t, ia64_linux_new_thread);
- linux_nat_set_status_is_event (t, ia64_linux_status_is_event);
}
fpprev = NULL;
- linux_nat_forget_process (ptid_get_pid (ptid));
+ linux_target->low_forget_process (ptid_get_pid (ptid));
for (fp = fork_list; fp; fpprev = fp, fp = fp->next)
if (ptid_equal (fp->ptid, ptid))
/* Does the current host support PTRACE_GETREGSET? */
enum tribool have_ptrace_getregset = TRIBOOL_UNKNOWN;
-/* The method to call, if any, when a new thread is attached. */
-static void (*linux_nat_new_thread) (struct lwp_info *);
-
-/* The method to call, if any, when a thread is destroyed. */
-static void (*linux_nat_delete_thread) (struct arch_lwp_info *);
-
-/* The method to call, if any, when a new fork is attached. */
-static linux_nat_new_fork_ftype *linux_nat_new_fork;
-
-/* The method to call, if any, when a process is no longer
- attached. */
-static linux_nat_forget_process_ftype *linux_nat_forget_process_hook;
-
-/* Hook to call prior to resuming a thread. */
-static void (*linux_nat_prepare_to_resume) (struct lwp_info *);
-
-/* The method to call, if any, when the siginfo object needs to be
- converted between the layout returned by ptrace, and the layout in
- the architecture of the inferior. */
-static int (*linux_nat_siginfo_fixup) (siginfo_t *,
- gdb_byte *,
- int);
-
/* The saved to_close method, inherited from inf-ptrace.c.
Called by our to_close. */
static void (*super_close) (struct target_ops *);
static int lwp_status_pending_p (struct lwp_info *lp);
-static int sigtrap_is_event (int status);
-static int (*linux_nat_status_is_event) (int status) = sigtrap_is_event;
-
static void save_stop_reason (struct lwp_info *lp);
\f
struct cleanup *old_chain = make_cleanup (delete_lwp_cleanup,
child_lp);
- if (linux_nat_prepare_to_resume != NULL)
- linux_nat_prepare_to_resume (child_lp);
+ linux_target->low_prepare_to_resume (child_lp);
/* When debugging an inferior in an architecture that supports
hardware single stepping on a kernel without commit
lwp_free (struct lwp_info *lp)
{
/* Let the arch specific bits release arch_lwp_info. */
- if (linux_nat_delete_thread != NULL)
- linux_nat_delete_thread (lp->arch_private);
- else
- gdb_assert (lp->arch_private == NULL);
+ linux_target->low_delete_thread (lp->arch_private);
xfree (lp);
}
clients of this callback take the opportunity to install
watchpoints in the new thread. We don't do this for the first
thread though. See add_initial_lwp. */
- if (linux_nat_new_thread != NULL)
- linux_nat_new_thread (lp);
+ linux_target->low_new_thread (lp);
return lp;
}
it below, when detach fails with ESRCH. */
TRY
{
- if (linux_nat_prepare_to_resume != NULL)
- linux_nat_prepare_to_resume (lp);
+ linux_target->low_prepare_to_resume (lp);
}
CATCH (ex, RETURN_MASK_ERROR)
{
else
lp->stop_pc = 0;
- if (linux_nat_prepare_to_resume != NULL)
- linux_nat_prepare_to_resume (lp);
+ linux_target->low_prepare_to_resume (lp);
linux_target->low_resume (lp->ptid, step, signo);
/* Successfully resumed. Clear state that no longer makes sense,
/* The arch-specific native code may need to know about new
forks even if those end up never mapped to an
inferior. */
- if (linux_nat_new_fork != NULL)
- linux_nat_new_fork (lp, new_pid);
+ linux_target->low_new_fork (lp, new_pid);
}
if (event == PTRACE_EVENT_FORK
/* Commonly any breakpoint / watchpoint generate only SIGTRAP. */
-static int
-sigtrap_is_event (int status)
+bool
+linux_nat_target::low_status_is_event (int status)
{
return WIFSTOPPED (status) && WSTOPSIG (status) == SIGTRAP;
}
-/* Set alternative SIGTRAP-like events recognizer. If
- breakpoint_inserted_here_p there then gdbarch_decr_pc_after_break will be
- applied. */
-
-void
-linux_nat_set_status_is_event (struct target_ops *t,
- int (*status_is_event) (int status))
-{
- linux_nat_status_is_event = status_is_event;
-}
-
/* Wait until LP is stopped. */
static int
gdb_assert (lp->stop_reason == TARGET_STOPPED_BY_NO_REASON);
gdb_assert (lp->status != 0);
- if (!linux_nat_status_is_event (lp->status))
+ if (!linux_target->low_status_is_event (lp->status))
return;
regcache = get_thread_regcache (lp->ptid);
resume_clear_callback (lp, NULL);
}
- if (linux_nat_status_is_event (status))
+ if (linux_target->low_status_is_event (status))
{
if (debug_linux_nat)
fprintf_unfiltered (gdb_stdlog,
/* Let the arch-specific native code know this process is
gone. */
- linux_nat_forget_process (child_pid);
+ linux_target->low_forget_process (child_pid);
}
}
}
linux_fork_mourn_inferior ();
/* Let the arch-specific native code know this process is gone. */
- linux_nat_forget_process (pid);
+ linux_target->low_forget_process (pid);
}
/* Convert a native/host siginfo object, into/from the siginfo in the
static void
siginfo_fixup (siginfo_t *siginfo, gdb_byte *inf_siginfo, int direction)
{
- int done = 0;
-
- if (linux_nat_siginfo_fixup != NULL)
- done = linux_nat_siginfo_fixup (siginfo, inf_siginfo, direction);
-
- /* If there was no callback, or the callback didn't do anything,
- then just do a straight memcpy. */
- if (!done)
+ /* If the low target didn't do anything, then just do a straight
+ memcpy. */
+ if (!linux_target->low_siginfo_fixup (siginfo, inf_siginfo, direction))
{
if (direction == 1)
memcpy (siginfo, inf_siginfo, sizeof (siginfo_t));
also want to be used for single-threaded processes. */
}
-/* Register a method to call whenever a new thread is attached. */
-void
-linux_nat_set_new_thread (struct target_ops *t,
- void (*new_thread) (struct lwp_info *))
-{
- /* Save the pointer. We only support a single registered instance
- of the GNU/Linux native target, so we do not need to map this to
- T. */
- linux_nat_new_thread = new_thread;
-}
-
-/* Register a method to call whenever a new thread is attached. */
-void
-linux_nat_set_delete_thread (struct target_ops *t,
- void (*delete_thread) (struct arch_lwp_info *))
-{
- /* Save the pointer. We only support a single registered instance
- of the GNU/Linux native target, so we do not need to map this to
- T. */
- linux_nat_delete_thread = delete_thread;
-}
-
-/* See declaration in linux-nat.h. */
-
-void
-linux_nat_set_new_fork (struct target_ops *t,
- linux_nat_new_fork_ftype *new_fork)
-{
- /* Save the pointer. */
- linux_nat_new_fork = new_fork;
-}
-
-/* See declaration in linux-nat.h. */
-
-void
-linux_nat_set_forget_process (struct target_ops *t,
- linux_nat_forget_process_ftype *fn)
-{
- /* Save the pointer. */
- linux_nat_forget_process_hook = fn;
-}
-
-/* See declaration in linux-nat.h. */
-
-void
-linux_nat_forget_process (pid_t pid)
-{
- if (linux_nat_forget_process_hook != NULL)
- linux_nat_forget_process_hook (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 *t,
- int (*siginfo_fixup) (siginfo_t *,
- gdb_byte *,
- int))
-{
- /* Save the pointer. */
- linux_nat_siginfo_fixup = siginfo_fixup;
-}
-
-/* Register a method to call prior to resuming a thread. */
-
-void
-linux_nat_set_prepare_to_resume (struct target_ops *t,
- void (*prepare_to_resume) (struct lwp_info *))
-{
- /* Save the pointer. */
- linux_nat_prepare_to_resume = prepare_to_resume;
-}
-
/* See linux-nat.h. */
int
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);
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,
- int (*status_is_event) (int status));
CORE_ADDR register_u_offset (struct gdbarch *gdbarch,
int regno, int store_p) override;
+ /* Override linux_nat_target low methods. */
+ void low_new_thread (struct lwp_info *lp) override;
+
private:
/* Helpers. See definitions. */
void mips64_regsets_store_registers (struct regcache *regcache,
return 0;
}
-/* linux_nat new_thread implementation. Write the mirrored watch
- register values for the new thread. */
+/* linux_nat_target::low_new_thread implementation. Write the
+ mirrored watch register values for the new thread. */
-static void
-mips_linux_new_thread (struct lwp_info *lp)
+void
+mips_linux_nat_target::low_new_thread (struct lwp_info *lp)
{
long tid = lp->ptid.lwp ();
linux_target = &the_mips_linux_nat_target;
add_target (&the_mips_linux_nat_target);
- linux_nat_set_new_thread (&the_mips_linux_nat_target,
- mips_linux_new_thread);
}
int auxv_parse (gdb_byte **readptr,
gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
override;
+
+ /* Override linux_nat_target low methods. */
+ void low_new_thread (struct lwp_info *lp) override;
};
static ppc_linux_nat_target the_ppc_linux_nat_target;
return ret;
}
-static void
-ppc_linux_new_thread (struct lwp_info *lp)
+void
+ppc_linux_nat_target::low_new_thread (struct lwp_info *lp)
{
int tid = ptid_get_lwp (lp->ptid);
/* Register the target. */
add_target (linux_target);
-
- linux_nat_set_new_thread (linux_target, ppc_linux_new_thread);
}
int auxv_parse (gdb_byte **readptr,
gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
override;
+
+ /* Override linux_nat_target low methods. */
+ void low_new_thread (struct lwp_info *lp) override;
+ void low_delete_thread (struct arch_lwp_info *lp) override;
+ void low_prepare_to_resume (struct lwp_info *lp) override;
+ void low_new_fork (struct lwp_info *parent, pid_t child_pid) override;
+ void low_forget_process (pid_t pid) override;
};
static s390_linux_nat_target the_s390_linux_nat_target;
/* Called whenever GDB is no longer debugging process PID. It deletes
data structures that keep track of hardware debug state. */
-static void
-s390_forget_process (pid_t pid)
+void
+s390_linux_nat_target::low_forget_process (pid_t pid)
{
struct s390_process_info *proc, **proc_link;
/* linux_nat_new_fork hook. */
-static void
-s390_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
+void
+s390_linux_nat_target::low_new_fork (struct lwp_info *parent, pid_t child_pid)
{
pid_t parent_pid;
struct s390_debug_reg_state *parent_state;
/* Each time before resuming a thread, update its PER info. */
-static void
-s390_prepare_to_resume (struct lwp_info *lp)
+void
+s390_linux_nat_target::low_prepare_to_resume (struct lwp_info *lp)
{
int tid;
pid_t pid = ptid_get_pid (ptid_of_lwp (lp));
/* When attaching to a new thread, mark its PER info as changed. */
-static void
-s390_new_thread (struct lwp_info *lp)
+void
+s390_linux_nat_target::low_new_thread (struct lwp_info *lp)
{
s390_mark_per_info_changed (lp);
}
/* Function to call when a thread is being deleted. */
-static void
-s390_delete_thread (struct arch_lwp_info *arch_lwp)
+void
+s390_linux_nat_target::low_delete_thread (struct arch_lwp_info *arch_lwp)
{
xfree (arch_lwp);
}
/* Register the target. */
linux_target = &the_s390_linux_nat_target;
add_target (t);
- linux_nat_set_new_thread (t, s390_new_thread);
- linux_nat_set_delete_thread (t, s390_delete_thread);
- linux_nat_set_prepare_to_resume (t, s390_prepare_to_resume);
- linux_nat_set_forget_process (t, s390_forget_process);
- linux_nat_set_new_fork (t, s390_linux_new_fork);
/* A maintenance command to enable showing the PER state. */
add_setshow_boolean_cmd ("show-debug-regs", class_maintenance,
void store_registers (struct regcache *regcache, int regnum) override;
{ sparc_store_inferior_registers (this, regcache, regnum); }
+
+ /* Override linux_nat_target low methods. */
+
+ /* ADI support */
+ void low_forget_process (pid_t pid) override
+ { sparc_forget_process (pid); }
};
static sparc64_linux_nat_target the_sparc64_linux_nat_target;
linux_target = &the_sparc64_linux_nat_target;
add_target (t);
- /* ADI support */
- linux_nat_set_forget_process (t, sparc64_forget_process);
-
sparc_gregmap = &sparc64_linux_ptrace_gregmap;
}
#include "nat/x86-linux-dregs.h"
#include "nat/linux-ptrace.h"
-/* linux_nat_new_fork hook. */
+/* linux_nat_target::low_new_fork implementation. */
-static void
-x86_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
+void
+x86_linux_nat_target::low_new_fork (struct lwp_info *parent, pid_t child_pid)
{
pid_t parent_pid;
struct x86_debug_reg_state *parent_state;
}
\f
-/* Add an x86 GNU/Linux target. */
-
void
-x86_linux_add_target (linux_nat_target *t)
+_initialize_x86_linux_nat ()
{
/* Initialize the debug register function vectors. */
x86_dr_low.set_control = x86_linux_dr_set_control;
x86_dr_low.get_status = x86_linux_dr_get_status;
x86_dr_low.get_control = x86_linux_dr_get_control;
x86_set_debug_register_length (sizeof (void *));
-
- add_target (t);
- linux_nat_set_new_thread (t, x86_linux_new_thread);
- linux_nat_set_delete_thread (t, x86_linux_delete_thread);
- linux_nat_set_new_fork (t, x86_linux_new_fork);
- linux_nat_set_forget_process (t, x86_forget_process);
- linux_nat_set_prepare_to_resume (t, x86_linux_prepare_to_resume);
}
#include "gdb_proc_service.h" /* For ps_err_e. */
#include "linux-nat.h"
#include "x86-nat.h"
+#include "nat/x86-linux.h"
struct x86_linux_nat_target : public x86_nat_target<linux_nat_target>
{
bool low_stopped_data_address (CORE_ADDR *addr_p) override
{ return x86_nat_target::stopped_data_address (addr_p); }
+
+ void low_new_fork (struct lwp_info *parent, pid_t child_pid) override;
+
+ void low_forget_process (pid_t pid) override
+ { x86_forget_process (pid); }
+
+ void low_prepare_to_resume (struct lwp_info *lwp) override
+ { x86_linux_prepare_to_resume (lwp); }
+
+ void low_new_thread (struct lwp_info *lwp) override
+ { x86_linux_new_thread (lwp); }
+
+ void low_delete_thread (struct arch_lwp_info *lwp) override
+ { x86_linux_delete_thread (lwp); }
};
\f
extern ps_err_e x86_linux_get_thread_area (pid_t pid, void *addr,
unsigned int *base_addr);
-\f
-
-/* Add an x86 GNU/Linux target. */
-
-extern void x86_linux_add_target (linux_nat_target *t);
#endif
projects / thirdparty / binutils-gdb.git / commitdiff
