diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 11 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/observer.texi | 4 | ||||
| -rw-r--r-- | gdb/gdbthread.h | 3 | ||||
| -rw-r--r-- | gdb/infrun.c | 26 | ||||
| -rw-r--r-- | gdb/regcache.c | 11 | ||||
| -rw-r--r-- | gdb/thread.c | 9 |
7 files changed, 68 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index bf32587..e02205b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,14 @@ +2008-08-18 Pedro Alves <pedro@codesourcery.com> + + * gdbthread.h (thread_change_ptid): Declare. + * infrun.c (infrun_thread_ptid_changed): New. + (_initialize_infrun): Attach infrun_thread_ptid_changed to the + thread_ptid_changed observer. + * regcache.c (regcache_thread_ptid_changed): New. + (_initialize_regcache): Attach regcache_thread_ptid_changed to the + thread_ptid_changed observer. + * thread.c (thread_change_ptid): New. + 2008-08-18 Tom Tromey <tromey@redhat.com> * symfile.c (reread_symbols): Update. diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index cc8ef9b..e048b90 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2008-08-18 Pedro Alves <pedro@codesourcery.com> + + * observer.texi (thread_ptid_changed): New. + 2008-08-18 Luis Machado <luisgpm@br.ibm.com> * doc/gdb.texinfo (PowerPC): Mention Extended FPR's for POWER7. diff --git a/gdb/doc/observer.texi b/gdb/doc/observer.texi index 8d1db14..3e10c5f 100644 --- a/gdb/doc/observer.texi +++ b/gdb/doc/observer.texi @@ -175,3 +175,7 @@ The current architecture has changed. The argument @var{newarch} is a pointer to the new architecture. @end deftypefun +@deftypefun void thread_ptid_changed (ptid_t @var{old_ptid}, ptid_t @var{new_ptid}) +The thread's ptid has changed. The @var{old_ptid} parameter specifies +the old value, and @var{new_ptid} specifies the new value. +@end deftypefun diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h index 780ec25..6696017 100644 --- a/gdb/gdbthread.h +++ b/gdb/gdbthread.h @@ -151,6 +151,9 @@ extern struct thread_info *find_thread_pid (ptid_t ptid); /* Find thread by GDB user-visible thread number. */ struct thread_info *find_thread_id (int num); +/* Change the ptid of thread OLD_PTID to NEW_PTID. */ +void thread_change_ptid (ptid_t old_ptid, ptid_t new_ptid); + /* Iterator function to call a user-provided callback function once for each known thread. */ typedef int (*thread_callback_func) (struct thread_info *, void *); diff --git a/gdb/infrun.c b/gdb/infrun.c index de7de79..19b3229 100644 --- a/gdb/infrun.c +++ b/gdb/infrun.c @@ -865,6 +865,30 @@ displaced_step_fixup (ptid_t event_ptid, enum target_signal signal) } } +/* Update global variables holding ptids to hold NEW_PTID if they were + holding OLD_PTID. */ +static void +infrun_thread_ptid_changed (ptid_t old_ptid, ptid_t new_ptid) +{ + struct displaced_step_request *it; + + if (ptid_equal (inferior_ptid, old_ptid)) + inferior_ptid = new_ptid; + + if (ptid_equal (singlestep_ptid, old_ptid)) + singlestep_ptid = new_ptid; + + if (ptid_equal (displaced_step_ptid, old_ptid)) + displaced_step_ptid = new_ptid; + + if (ptid_equal (deferred_step_ptid, old_ptid)) + deferred_step_ptid = new_ptid; + + for (it = displaced_step_request_queue; it; it = it->next) + if (ptid_equal (it->ptid, old_ptid)) + it->ptid = new_ptid; +} + /* Resuming. */ @@ -4855,4 +4879,6 @@ breakpoints, even if such is supported by the target."), inferior_ptid = null_ptid; target_last_wait_ptid = minus_one_ptid; displaced_step_ptid = null_ptid; + + observer_attach_thread_ptid_changed (infrun_thread_ptid_changed); } diff --git a/gdb/regcache.c b/gdb/regcache.c index 199b626..616a6f7 100644 --- a/gdb/regcache.c +++ b/gdb/regcache.c @@ -453,6 +453,16 @@ regcache_observer_target_changed (struct target_ops *target) registers_changed (); } +/* Update global variables old ptids to hold NEW_PTID if they were + holding OLD_PTID. */ +static void +regcache_thread_ptid_changed (ptid_t old_ptid, ptid_t new_ptid) +{ + if (current_regcache != NULL + && ptid_equal (current_regcache->ptid, old_ptid)) + current_regcache->ptid = new_ptid; +} + /* Low level examining and depositing of registers. The caller is responsible for making sure that the inferior is @@ -1134,6 +1144,7 @@ _initialize_regcache (void) regcache_descr_handle = gdbarch_data_register_post_init (init_regcache_descr); observer_attach_target_changed (regcache_observer_target_changed); + observer_attach_thread_ptid_changed (regcache_thread_ptid_changed); add_com ("flushregs", class_maintenance, reg_flush_command, _("Force gdb to flush its register cache (maintainer command)")); diff --git a/gdb/thread.c b/gdb/thread.c index f90606c..15da5b6 100644 --- a/gdb/thread.c +++ b/gdb/thread.c @@ -589,6 +589,15 @@ prune_threads (void) } void +thread_change_ptid (ptid_t old_ptid, ptid_t new_ptid) +{ + struct thread_info * tp = find_thread_pid (old_ptid); + tp->ptid = new_ptid; + + observer_notify_thread_ptid_changed (old_ptid, new_ptid); +} + +void set_running (ptid_t ptid, int running) { struct thread_info *tp; |