Avoid printing unavailable/optimized out registers (sh64-tdep.c)

  https://sourceware.org/ml/gdb-patches/2013-08/msg00834.html

gdb/ChangeLog

        * sh64-tdep.c (sh64_do_register): Return after printing message
        about unavailable register contents.

2 files changed, 9 insertions, 1 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index de17111..a8bc3cb 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2013-09-04  Andrew Burgess  <aburgess@broadcom.com>
+
+	* sh64-tdep.c (sh64_do_register): Return after printing message
+	about unavailable register contents.
+
 2013-09-04  Muhammad Bilal  <mbilal@codesourcery.com>
             Pedro Alves  <palves@redhat.com>
 
diff --git a/gdb/sh64-tdep.c b/gdb/sh64-tdep.c
index b640b1d..e9ce42b 100644
--- a/gdb/sh64-tdep.c
+++ b/gdb/sh64-tdep.c
@@ -2045,7 +2045,10 @@ sh64_do_register (struct gdbarch *gdbarch, struct ui_file *file,
 
   /* Get the data in raw format.  */
   if (!deprecated_frame_register_read (frame, regnum, raw_buffer))
-    fprintf_filtered (file, "*value not available*\n");
+    {
+      fprintf_filtered (file, "*value not available*\n");
+      return;
+    }
 
   get_formatted_print_options (&opts, 'x');
   opts.deref_ref = 1;