Merge GDB 7.5.1

gdb/gdbthread.h

Index: gdb/gdbthread.h
diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h
index fb8de161e1de3dc1be230e2e3f28336753ea7acb..02505559d6c3c43c4d5fd087ee645da7448462d7 100644
--- a/gdb/gdbthread.h
+++ b/gdb/gdbthread.h
@@ -123,7 +123,7 @@ struct thread_control_state
 struct thread_suspend_state
 {
   /* Last signal that the inferior received (why it stopped).  */
-  enum target_signal stop_signal;
+  enum gdb_signal stop_signal;
 };
 
 struct thread_info
@@ -216,7 +216,9 @@ struct thread_info
   int stop_requested;
 
   /* The initiating frame of a nexting operation, used for deciding
-     which exceptions to intercept.  */
+     which exceptions to intercept.  If it is null_frame_id no
+     bp_longjmp or bp_exception but longjmp has been caught just for
+     bp_longjmp_call_dummy.  */
   struct frame_id initiating_frame;
 
   /* Private data used by the target vector implementation.  */
@@ -299,6 +301,11 @@ void thread_change_ptid (ptid_t old_ptid, ptid_t new_ptid);
 typedef int (*thread_callback_func) (struct thread_info *, void *);
 extern struct thread_info *iterate_over_threads (thread_callback_func, void *);
 
+/* Traverse all threads.  */
+
+#define ALL_THREADS(T)				\
+  for (T = thread_list; T; T = T->next)
+
 extern int thread_count (void);
 
 /* Switch from one thread to another.  */
@@ -389,4 +396,6 @@ extern struct thread_info* inferior_thread (void);
 
 extern void update_thread_list (void);
 
+extern struct thread_info *thread_list;
+
 #endif /* GDBTHREAD_H */