* config/i386/nm-linux.h (LINUX_CHILD_POST_STARTUP_INFERIOR): Define.
* config/nm-linux.h (CHILD_POST_STARTUP_INFERIOR, CHILD_POST_ATTACH)
(CHILD_FOLLOW_FORK, KILL_INFERIOR): Define.
* i386-linux-nat.c: Include "linux-nat.h".
(child_post_startup_inferior): New function.
* i386-nat.c (child_post_startup_inferior): Wrap in #ifdef.
* infptrace.c (kill_inferior): Wrap in #ifdef.
* lin-lwp.c (lin_lwp_attach_lwp): Call child_post_attach after
attaching to each LWP.
(child_wait, lin_lwp_wait): Call linux_handle_extended_wait.
(init_lin_lwp_ops): Fill in some more operations.
* linux-nat.h (linux_enable_event_reporting)
(linux_handle_extended_wait, linux_child_post_startup_inferior): New
prototypes.
* linux-nat.c (linux_enable_event_reporting): New function.
(child_post_attach, linux_child_post_startup_inferior)
(child_post_startup_inferior, child_follow_fork)
(linux_handle_extended_wait, kill_inferior): New functions.
* i386-nat.c (child_post_startup_inferior): New function
calling i386_cleanup_dregs if
I386_USE_GENERIC_WATCHPOINTS is defined.
* config/i386/nm-i386.h: define CHILD_POST_STARTUP_INFERIOR
conditional to acknowledge that i386-nat.c has its
own child_post_startup_inferior function.
register before enabling it by setting the control register.
(i386_remove_aligned_watchpoint): Reset address register after
disabling it by setting the control register.