Merge GDB 7.5.1

gdb/target.h

 /* Interface between GDB and target environments, including files and processes
 
    Copyright (C) 1990-2012 Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.  Written by John Gilmore.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ skipping 146 matching lines @@
 
 struct target_waitstatus
   {
     enum target_waitkind kind;
 
     /* Forked child pid, execd pathname, exit status, signal number or
        syscall number.  */
     union
       {
         int integer;
-        enum target_signal sig;
+        enum gdb_signal sig;
         ptid_t related_pid;
         char *execd_pathname;
         int syscall_number;
       }
     value;
   };
 
 /* Options that can be passed to target_wait.  */
 
 /* Return immediately if there's no event already queued.  If this
@@ skipping 92 matching lines @@
   /* The HP-UX registers (those that can be obtained or modified by using
      the TT_LWP_RUREGS/TT_LWP_WUREGS ttrace requests).  */
   TARGET_OBJECT_HPUX_UREGS,
   /* The HP-UX shared library linkage pointer.  ANNEX should be a string
      image of the code address whose linkage pointer we are looking for.
 
      The size of the data transfered is always 8 bytes (the size of an
      address on ia64).  */
   TARGET_OBJECT_HPUX_SOLIB_GOT,
   /* Traceframe info, in XML format.  */