Further cleanup of signal-while-stepping-over-bp-other-thread.c.

[deliverable/binutils-gdb.git] / gdb / btrace.h

diff --git a/gdb/btrace.h b/gdb/btrace.h
index 93e6940c0627828cbd747da380c71a9dd71389a1..f83a80f19f622318fd00478e0f5502deaeefddca 100644 (file)
--- a/gdb/btrace.h
+++ b/gdb/btrace.h
@@ -153,6 +153,25 @@ struct btrace_call_history
   struct btrace_call_iterator end;
 };
 
+/* Branch trace thread flags.  */
+enum btrace_thread_flag
+{
+  /* The thread is to be stepped forwards.  */
+  BTHR_STEP = (1 << 0),
+
+  /* The thread is to be stepped backwards.  */
+  BTHR_RSTEP = (1 << 1),
+
+  /* The thread is to be continued forwards.  */
+  BTHR_CONT = (1 << 2),
+
+  /* The thread is to be continued backwards.  */
+  BTHR_RCONT = (1 << 3),
+
+  /* The thread is to be moved.  */
+  BTHR_MOVE = (BTHR_STEP | BTHR_RSTEP | BTHR_CONT | BTHR_RCONT)
+};
+
 /* Branch trace information per thread.
 
    This represents the branch trace configuration as well as the entry point
@@ -182,6 +201,9 @@ struct btrace_thread_info
      becomes zero.  */
   int level;
 
+  /* A bit-vector of btrace_thread_flag.  */
+  enum btrace_thread_flag flags;
+
   /* The instruction history iterator.  */
   struct btrace_insn_history *insn_history;
 
@@ -314,4 +336,8 @@ extern void btrace_set_call_history (struct btrace_thread_info *,
 /* Determine if branch tracing is currently replaying TP.  */
 extern int btrace_is_replaying (struct thread_info *tp);
 
+/* Return non-zero if the branch trace for TP is empty; zero otherwise.  */
+extern int btrace_is_empty (struct thread_info *tp);
+
+
 #endif /* BTRACE_H */