1 files changed, 125 insertions, 0 deletions
diff --git a/gdb/mips-nbsd-nat.c b/gdb/mips-nbsd-nat.c
new file mode 100644
index 0000000..ebbe84e
--- /dev/null
+++ b/gdb/mips-nbsd-nat.c
@@ -0,0 +1,125 @@
+/* Native-dependent code for MIPS systems running NetBSD.
+
+   Copyright (C) 2000-2016 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 "target.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+#include "mips-tdep.h"
+#include "mips-nbsd-tdep.h"
+#include "inf-ptrace.h"
+
+/* Determine if PT_GETREGS fetches this register.  */
+static int
+getregs_supplies (struct gdbarch *gdbarch, int regno)
+{
+  return ((regno) >= MIPS_ZERO_REGNUM
+	  && (regno) <= gdbarch_pc_regnum (gdbarch));
+}
+
+static void
+mipsnbsd_fetch_inferior_registers (struct target_ops *ops,
+				   struct regcache *regcache, int regno)
+{
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  if (regno == -1 || getregs_supplies (gdbarch, regno))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
+		  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+	perror_with_name (_("Couldn't get registers"));
+      
+      mipsnbsd_supply_reg (regcache, (char *) &regs, regno);
+      if (regno != -1)
+	return;
+    }
+
+  if (regno == -1
+      || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
+    {
+      struct fpreg fpregs;
+
+      if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
+		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+	perror_with_name (_("Couldn't get floating point status"));
+
+      mipsnbsd_supply_fpreg (regcache, (char *) &fpregs, regno);
+    }
+}
+
+static void
+mipsnbsd_store_inferior_registers (struct target_ops *ops,
+				   struct regcache *regcache, int regno)
+{
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  if (regno == -1 || getregs_supplies (gdbarch, regno))
+    {
+      struct reg regs;
+
+      if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
+		  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+	perror_with_name (_("Couldn't get registers"));
+
+      mipsnbsd_fill_reg (regcache, (char *) &regs, regno);
+
+      if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid), 
+		  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+	perror_with_name (_("Couldn't write registers"));
+
+      if (regno != -1)
+	return;
+    }
+
+  if (regno == -1
+      || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
+    {
+      struct fpreg fpregs; 
+
+      if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
+		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+	perror_with_name (_("Couldn't get floating point status"));
+
+      mipsnbsd_fill_fpreg (regcache, (char *) &fpregs, regno);
+
+      if (ptrace (PT_SETFPREGS, ptid_get_pid (inferior_ptid),
+		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+	perror_with_name (_("Couldn't write floating point status"));
+    }
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_mipsnbsd_nat (void);
+
+void
+_initialize_mipsnbsd_nat (void)
+{
+  struct target_ops *t;
+
+  t = inf_ptrace_target ();
+  t->to_fetch_registers = mipsnbsd_fetch_inferior_registers;
+  t->to_store_registers = mipsnbsd_store_inferior_registers;
+  add_target (t);
+}