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, 238 insertions, 0 deletions

diff --git a/gdb/hppa-netbsd-nat.c b/gdb/hppa-netbsd-nat.c
new file mode 100644
index 0000000..a3a2e32
--- /dev/null
+++ b/gdb/hppa-netbsd-nat.c
@@ -0,0 +1,238 @@
+/* Native-dependent code for NetBSD/hppa.
+
+   Copyright (C) 2008-2020 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
+   (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 "inferior.h"
+#include "regcache.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+#include "hppa-tdep.h"
+#include "inf-ptrace.h"
+
+#include "netbsd-nat.h"
+
+class hppa_nbsd_nat_target final : public nbsd_nat_target
+{
+  void fetch_registers (struct regcache *, int) override;
+  void store_registers (struct regcache *, int) override;
+};
+
+static hppa_nbsd_nat_target the_hppa_nbsd_nat_target;
+
+static int
+hppanbsd_gregset_supplies_p (int regnum)
+{
+  return ((regnum >= HPPA_R0_REGNUM && regnum <= HPPA_R31_REGNUM) ||
+          (regnum >= HPPA_SAR_REGNUM && regnum <= HPPA_PCSQ_TAIL_REGNUM) ||
+          regnum == HPPA_IPSW_REGNUM ||
+	  (regnum >= HPPA_SR4_REGNUM && regnum <= HPPA_SR4_REGNUM + 5));
+}
+
+static int
+hppanbsd_fpregset_supplies_p (int regnum)
+{
+  return (regnum >= HPPA_FP0_REGNUM && regnum <= HPPA_FP31R_REGNUM);
+}
+
+/* Supply the general-purpose registers stored in GREGS to REGCACHE.  */
+
+static void
+hppanbsd_supply_gregset (struct regcache *regcache, const void *gregs)
+{
+  const char *regs = gregs;
+  const int *r = gregs;
+  int regnum;
+
+  for (regnum = HPPA_R1_REGNUM; regnum <= HPPA_R31_REGNUM; regnum++)
+    regcache->raw_supply (regnum, regs + regnum * 4);
+
+  regcache->raw_supply (HPPA_SAR_REGNUM, regs + 32 * 4);
+  regcache->raw_supply (HPPA_PCSQ_HEAD_REGNUM, regs + 33 * 4);
+  regcache->raw_supply (HPPA_PCSQ_TAIL_REGNUM, regs + 34 * 4);
+  regcache->raw_supply (HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
+  regcache->raw_supply (HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
+  regcache->raw_supply (HPPA_IPSW_REGNUM, regs);
+  regcache->raw_supply (HPPA_SR4_REGNUM, regs + 41 * 4);
+  regcache->raw_supply (HPPA_SR4_REGNUM + 1, regs + 37 * 4);
+  regcache->raw_supply (HPPA_SR4_REGNUM + 2, regs + 38 * 4);
+  regcache->raw_supply (HPPA_SR4_REGNUM + 3, regs + 39 * 4);
+  regcache->raw_supply (HPPA_SR4_REGNUM + 4, regs + 40 * 4);
+}
+
+/* Supply the floating-point registers stored in FPREGS to REGCACHE.  */
+
+static void
+hppanbsd_supply_fpregset (struct regcache *regcache, const void *fpregs)
+{
+  const char *regs = fpregs;
+  int regnum;
+
+  for (regnum = HPPA_FP0_REGNUM; regnum <= HPPA_FP31R_REGNUM;
+       regnum += 2, regs += 8)
+    {
+      regcache->raw_supply (regnum, regs);
+      regcache->raw_supply (regnum + 1, regs + 4);
+    }
+}
+
+/* Collect the general-purpose registers from REGCACHE and store them
+   in GREGS.  */
+
+static void
+hppanbsd_collect_gregset (const struct regcache *regcache,
+			  void *gregs, int regnum)
+{
+  char *regs = gregs;
+  int *r = gregs;
+  int i;
+
+  for (i = HPPA_R1_REGNUM; i <= HPPA_R31_REGNUM; i++)
+    {
+      if (regnum == -1 || regnum == i)
+	regcache->raw_collect (i, regs + i * 4);
+    }
+
+  if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
+    regcache->raw_collect (HPPA_IPSW_REGNUM, regs);
+  if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+    regcache->raw_collect (HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
+  if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+    regcache->raw_collect (HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
+
+  if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+    regcache->raw_collect (HPPA_SAR_REGNUM, regs + 32 * 4);
+  if (regnum == -1 || regnum == HPPA_PCSQ_HEAD_REGNUM)
+    regcache->raw_collect (HPPA_PCSQ_HEAD_REGNUM, regs + 33 * 4);
+  if (regnum == -1 || regnum == HPPA_PCSQ_TAIL_REGNUM)
+    regcache->raw_collect (HPPA_PCSQ_TAIL_REGNUM, regs + 34 * 4);
+  if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+    regcache->raw_collect (HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
+  if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+    regcache->raw_collect (HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
+  if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
+    regcache->raw_collect (HPPA_IPSW_REGNUM, regs);
+  if (regnum == -1 || regnum == HPPA_SR4_REGNUM)
+    regcache->raw_collect (HPPA_SR4_REGNUM, regs + 41 * 4);
+  if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 1)
+    regcache->raw_collect (HPPA_SR4_REGNUM + 1, regs + 37 * 4);
+  if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 2)
+    regcache->raw_collect (HPPA_SR4_REGNUM + 2, regs + 38 * 4);
+  if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 3)
+    regcache->raw_collect (HPPA_SR4_REGNUM + 3, regs + 39 * 4);
+  if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 4)
+    regcache->raw_collect (HPPA_SR4_REGNUM + 4, regs + 40 * 4);
+}
+
+/* Collect the floating-point registers from REGCACHE and store them
+   in FPREGS.  */
+
+static void
+hppanbsd_collect_fpregset (struct regcache *regcache,
+			  void *fpregs, int regnum)
+{
+  char *regs = fpregs;
+  int i;
+
+  for (i = HPPA_FP0_REGNUM; i <= HPPA_FP31R_REGNUM; i += 2, regs += 8)
+    {
+      if (regnum == -1 || regnum == i || regnum == i + 1)
+	{
+	  regcache->raw_collect (i, regs);
+	  regcache->raw_collect (i + 1, regs + 4);
+	}
+    }
+}
+
+
+/* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
+   for all registers (including the floating-point registers).  */
+
+void
+hppa_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
+
+{
+  pid_t pid = regcache->ptid ().pid ();
+  int lwp = regcache->ptid ().lwp ();
+
+  if (regnum == -1 || hppanbsd_gregset_supplies_p (regnum))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
+	perror_with_name (_("Couldn't get registers"));
+
+      hppanbsd_supply_gregset (regcache, &regs);
+    }
+
+  if (regnum == -1 || hppanbsd_fpregset_supplies_p (regnum))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
+	perror_with_name (_("Couldn't get floating point status"));
+
+      hppanbsd_supply_fpregset (regcache, &fpregs);
+    }
+}
+
+/* Store register REGNUM back into the inferior.  If REGNUM is -1, do
+   this for all registers (including the floating-point registers).  */
+
+void
+hppa_nbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
+{
+  pid_t pid = regcache->ptid ().pid ();
+  int lwp = regcache->ptid ().lwp ();
+
+  if (regnum == -1 || hppanbsd_gregset_supplies_p (regnum))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
+        perror_with_name (_("Couldn't get registers"));
+
+      hppanbsd_collect_gregset (regcache, &regs, regnum);
+
+      if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
+        perror_with_name (_("Couldn't write registers"));
+    }
+
+  if (regnum == -1 || hppanbsd_fpregset_supplies_p (regnum))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
+	perror_with_name (_("Couldn't get floating point status"));
+
+      hppanbsd_collect_fpregset (regcache, &fpregs, regnum);
+
+      if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
+	perror_with_name (_("Couldn't write floating point status"));
+    }
+}
+
+void _initialize_hppanbsd_nat ();
+void
+_initialize_hppanbsd_nat ()
+{
+  add_inf_child_target (&the_hppa_nbsd_nat_target);
+}