Uniquefy gdb.threads/attach-into-signal.exp

[deliverable/binutils-gdb.git] / gdb / tramp-frame.c

diff --git a/gdb/tramp-frame.c b/gdb/tramp-frame.c
index 0fd6ddccc2ffd331af014cac6e465a38c95f16d4..7d288b60f5f5801bdad241e62f07a1c556d7d408 100644 (file)
--- a/gdb/tramp-frame.c
+++ b/gdb/tramp-frame.c
@@ -1,6 +1,6 @@
 /* Signal trampoline unwinder, for GDB the GNU Debugger.
 
-   Copyright (C) 2004-2014 Free Software Foundation, Inc.
+   Copyright (C) 2004-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -86,6 +86,10 @@ tramp_frame_start (const struct tramp_frame *tramp,
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   int ti;
 
+  /* Check if we can use this trampoline.  */
+  if (tramp->validate && !tramp->validate (tramp, this_frame, &pc))
+    return 0;
+
   /* Search through the trampoline for one that matches the
      instruction sequence around PC.  */
   for (ti = 0; tramp->insn[ti].bytes != TRAMP_SENTINEL_INSN; ti++)