[patch/gdbserver] Add a debugging output to linux-arm-low.c

[Daniel Jacobowitz <drow@false.org>]

There's a corresponding fprintf in linux-i386-low.c, which I've always found
helpful when trying to trace gdbserver behavior.

Will commit in a little while.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer

2004-02-28  Daniel Jacobowitz  <drow@mvista.com>

	* linux-arm-low.c (arm_get_pc): Print out stop PC in debug mode.

Index: gdb/gdbserver/linux-arm-low.c
===================================================================
RCS file: /big/fsf/rsync/src-cvs/src/gdb/gdbserver/linux-arm-low.c,v
retrieving revision 1.6
diff -u -p -r1.6 linux-arm-low.c
--- gdb/gdbserver/linux-arm-low.c	24 Jul 2003 19:03:50 -0000	1.6
+++ gdb/gdbserver/linux-arm-low.c	28 Feb 2004 17:59:30 -0000
@@ -1,5 +1,5 @@
 /* GNU/Linux/ARM specific low level interface, for the remote server for GDB.
-   Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
+   Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -47,11 +47,15 @@ arm_cannot_fetch_register (int regno)
   return (regno >= arm_num_regs);
 }
 
+extern int debug_threads;
+
 static CORE_ADDR
 arm_get_pc ()
 {
   unsigned long pc;
   collect_register_by_name ("pc", &pc);
+  if (debug_threads)
+    fprintf (stderr, "stop pc is %08lx\n", pc);
   return pc;
 }