Merge GDB 7.5.1

gdb/rs6000-nat.c

 /* IBM RS/6000 native-dependent code for GDB, the GNU debugger.
 
    Copyright (C) 1986-1987, 1989, 1991-2004, 2007-2012 Free Software
    Foundation, Inc.
 
    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
    the Free Software Foundation; either version 3 of the License, or
@@ skipping 13 matching lines @@
 #include "gdbcore.h"
 #include "xcoffsolib.h"
 #include "symfile.h"
 #include "objfiles.h"
 #include "libbfd.h"             /* For bfd_default_set_arch_mach (FIXME) */
 #include "bfd.h"
 #include "exceptions.h"
 #include "gdb-stabs.h"
 #include "regcache.h"
 #include "arch-utils.h"
+#include "inf-child.h"
 #include "inf-ptrace.h"
 #include "ppc-tdep.h"
 #include "rs6000-tdep.h"
 #include "exec.h"
 #include "observer.h"
 #include "xcoffread.h"
 
 #include <sys/ptrace.h>
 #include <sys/reg.h>
 
@@ skipping 499 matching lines @@
       clear_sigint_trap ();
 
       if (pid == -1)
         {
           fprintf_unfiltered (gdb_stderr,
                               _("Child process unexpectedly missing: %s.\n"),
                               safe_strerror (save_errno));
 
           /* Claim it exited with unknown signal.  */
           ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
-          ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
+          ourstatus->value.sig = GDB_SIGNAL_UNKNOWN;
           return inferior_ptid;
         }
 
       /* Ignore terminated detached child processes.  */
       if (!WIFSTOPPED (status) && pid != ptid_get_pid (inferior_ptid))
         pid = -1;
     }
   while (pid == -1);
 
   /* AIX has a couple of strange returns from wait().  */
@@ skipping 640 matching lines @@
 
 static CORE_ADDR
 find_toc_address (CORE_ADDR pc)
 {
   struct vmap *vp;
 
   for (vp = vmap; vp; vp = vp->nxt)
     {
       if (pc >= vp->tstart && pc < vp->tend)
         {