Normalize names of the NetBSD files

The files used to be named 'nbsd', which incorrectly reflects
the name of the OS and confuses it with other BSD derived OSes.

gdb/ChangeLog:

        * Makefile.in (ALL_64_TARGET_OBS, ALL_TARGET_OBS)
        HFILES_NO_SRCDIR, ALLDEPFILES): Rename files.
        * alpha-bsd-nat.c: Adjust include.
        * alpha-bsd-tdep.h: Adjust comment.
        * alpha-nbsd-tdep.c: Rename to ...
        * alpha-netbsd-tdep.c: ... this, adjust include.
        * amd64-nbsd-nat.c: Rename to ...
        * amd64-netbsd-nat.c: ... this, adjust include.
        * amd64-nbsd-tdep.c: Rename to ...
        * amd64-netbsd-tdep.c: ... this, adjust include.
        * amd64-tdep.h: Adjust include.
        * arm-nbsd-nat.c: Rename to ...
        * arm-netbsd-nat.c: ... this, adjust include.
        * arm-nbsd-tdep.c: Rename to ...
        * arm-netbsd-tdep.c: ... this, adjust include.
        * arm-nbsd-tdep.h: Rename to ...
        * arm-netbsd-tdep.h: ... this, adjust include.
        * configure.nat: Adjust file lists.
        * configure.tgt: Likewise.
        * hppa-nbsd-nat.c: Rename to ...
        * hppa-netbsd-nat.c: ... this, adjust include.
        * hppa-nbsd-tdep.c: Rename to ...
        * hppa-netbsd-tdep.c: ... this, adjust include.
        * i386-nbsd-nat.c: Rename to ...
        * i386-netbsd-nat.c: ... this, adjust include.
        * i386-nbsd-tdep.c: Rename to ...
        * i386-netbsd-tdep.c: ... this, adjust include.
        * m68k-bsd-nat.c: Adjust include.
        * mips-nbsd-nat.c: Rename to ...
        * mips-netbsd-nat.c: ... this, adjust include.
        * mips-nbsd-tdep.c: Rename to ...
        * mips-netbsd-tdep.c: ... this, adjust include.
        * mips-nbsd-tdep.h: Rename to ...
        * mips-netbsd-tdep.h: ... this.
        * nbsd-nat.c: Rename to ...
        * netbsd-nat.c: ... this, adjust include.
        * nbsd-nat.h: Rename to ...
        * netbsd-nat.h: ... this, adjust include.
        * nbsd-tdep.c: Rename to ...
        * netbsd-tdep.c: ... this, adjust include.
        * nbsd-tdep.h: Rename to ...
        * netbsd-tdep.h: ... this.
        * ppc-nbsd-nat.c: Rename to ...
        * ppc-netbsd-nat.c: ... this, adjust include.
        * ppc-nbsd-tdep.c: Rename to ...
        * ppc-netbsd-tdep.c: ... this, adjust include and comment.
        * ppc-nbsd-tdep.h: Rename to ...
        * ppc-netbsd-tdep.h: ... this.
        * sh-nbsd-nat.c: Rename to ...
        * sh-netbsd-nat.c: ... this, adjust include.
        * sh-nbsd-tdep.c: Rename to ...
        * sh-netbsd-tdep.c: ... this, adjust include.
        * sparc-nbsd-nat.c: Rename to ...
        * sparc-netbsd-nat.c: ... this.
        * sparc-nbsd-tdep.c: Rename to ...
        * sparc-netbsd-tdep.c: ... this, adjust include.
        * sparc64-nbsd-nat.c: Rename to ...
        * sparc64-netbsd-nat.c: ... this.
        * sparc64-nbsd-tdep.c: Rename to ...
        * sparc64-netbsd-tdep.c: ... this, adjust include.
        * sparc64-tdep.h: Adjust comment.
        * vax-bsd-nat.c: Adjust include.
        * vax-nbsd-tdep.c: Rename to ...
        * vax-netbsd-tdep.c: ... this, adjust include.

1 files changed, 84 insertions, 0 deletions

diff --git a/gdb/sh-netbsd-tdep.c b/gdb/sh-netbsd-tdep.c
new file mode 100644
index 0000000..eabec98
--- /dev/null
+++ b/gdb/sh-netbsd-tdep.c
@@ -0,0 +1,84 @@
+/* Target-dependent code for NetBSD/sh.
+
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
+
+   Contributed by Wasabi Systems, 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
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "defs.h"
+#include "gdbcore.h"
+#include "regset.h"
+#include "value.h"
+#include "osabi.h"
+
+#include "sh-tdep.h"
+#include "netbsd-tdep.h"
+#include "solib-svr4.h"
+#include "gdbarch.h"
+
+/* Convert a register number into an offset into a ptrace
+   register structure.  */
+static const struct sh_corefile_regmap regmap[] =
+{
+  {R0_REGNUM,      20 * 4},
+  {R0_REGNUM + 1,  19 * 4},
+  {R0_REGNUM + 2,  18 * 4},
+  {R0_REGNUM + 3,  17 * 4},
+  {R0_REGNUM + 4,  16 * 4},
+  {R0_REGNUM + 5,  15 * 4},
+  {R0_REGNUM + 6,  14 * 4},
+  {R0_REGNUM + 7,  13 * 4},
+  {R0_REGNUM + 8,  12 * 4},
+  {R0_REGNUM + 9,  11 * 4},
+  {R0_REGNUM + 10, 10 * 4},
+  {R0_REGNUM + 11,  9 * 4},
+  {R0_REGNUM + 12,  8 * 4},
+  {R0_REGNUM + 13,  7 * 4},
+  {R0_REGNUM + 14,  6 * 4},
+  {R0_REGNUM + 15,  5 * 4},
+  {PC_REGNUM,       0 * 4},
+  {SR_REGNUM,       1 * 4},
+  {PR_REGNUM,	    2 * 4},
+  {MACH_REGNUM,	    3 * 4},
+  {MACL_REGNUM,	    4 * 4},
+  {-1 /* Terminator.  */, 0}
+};
+
+
+static void
+shnbsd_init_abi (struct gdbarch_info info,
+                  struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+  nbsd_init_abi (info, gdbarch);
+
+  tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
+  tdep->sizeof_gregset = 84;
+
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
+}
+
+void _initialize_shnbsd_tdep ();
+void
+_initialize_shnbsd_tdep ()
+{
+  gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD,
+			  shnbsd_init_abi);
+  gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_OPENBSD,
+			  shnbsd_init_abi);
+}