btrace: Add btinfo to instruction interator.

This will serve as the access path to the vector of function segments once
the FUNCTION pointer in struct btrace_insn_iterator is removed.

1 files changed, 3 insertions, 0 deletions

diff --git a/gdb/btrace.h b/gdb/btrace.h
index ab739ecab4..e567ef7fb0 100644
--- a/gdb/btrace.h
+++ b/gdb/btrace.h
@@ -192,6 +192,9 @@ struct btrace_function
 /* A branch trace instruction iterator.  */
 struct btrace_insn_iterator
 {
+  /* The branch trace information for this thread.  Will never be NULL.  */
+  const struct btrace_thread_info *btinfo;
+
   /* The branch trace function segment containing the instruction.
      Will never be NULL.  */
   const struct btrace_function *function;