* mips64obsd-nat.c, mips64obsd-tdep.c: New files.

* configure.host: Add mips64*-*-openbsd*. * configure.tgt: Add mips64*-*-openbsd*. * Makefile.in (ALLDEPFILES): Add mips64obsd-nat.o, mips64obsd-tdep.c. (mips64obsd-nat.o, mips64obsd-tdep.o): New dependecies. * config/mips/obsd64.mh, config/mips/obsd64.mt: New files.
2004-10-23 12:14:02 +00:00
parent 95706ff588
commit abc0878268
7 changed files with 228 additions and 0 deletions
--- a/gdb/mips64obsd-nat.c
+++ b/gdb/mips64obsd-nat.c
@@ -0,0 +1,112 @@
+/* Native-dependent code for OpenBSD/mips64.
+
+   Copyright 2004 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 2 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#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 "inf-ptrace.h"
+
+#define MIPS64OBSD_NUM_REGS 73
+
+/* Supply the general-purpose registers stored in GREGS to REGCACHE.  */
+
+static void
+mips64obsd_supply_gregset (struct regcache *regcache, const void *gregs)
+{
+  const char *regs = gregs;
+  int regnum;
+
+  for (regnum = 0; regnum < MIPS64OBSD_NUM_REGS; regnum++)
+    regcache_raw_supply (regcache, regnum, regs + regnum * 8);
+}
+
+/* Collect the general-purpose registers from REGCACHE and store them
+   in GREGS.  */
+
+static void
+mips64obsd_collect_gregset (const struct regcache *regcache,
+			    void *gregs, int regnum)
+{
+  char *regs = gregs;
+  int i;
+
+  for (i = 0; i <= MIPS64OBSD_NUM_REGS; i++)
+    {
+      if (regnum == -1 || regnum == i)
+	regcache_raw_collect (regcache, i, regs + i * 8);
+    }
+}
+
+
+/* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
+   for all registers.  */
+
+static void
+mips64obsd_fetch_inferior_registers (int regnum)
+{
+  struct reg regs;
+
+  if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+	      (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+    perror_with_name ("Couldn't get registers");
+
+  mips64obsd_supply_gregset (current_regcache, &regs);
+}
+
+/* Store register REGNUM back into the inferior.  If REGNUM is -1, do
+   this for all registers.  */
+
+static void
+mips64obsd_store_inferior_registers (int regnum)
+{
+  struct reg regs;
+
+  if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+	      (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+    perror_with_name ("Couldn't get registers");
+
+  mips64obsd_collect_gregset (current_regcache, &regs, regnum);
+
+  if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+	      (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+    perror_with_name ("Couldn't write registers");
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_mips64obsd_nat (void);
+
+void
+_initialize_mips64obsd_nat (void)
+{
+  struct target_ops *t;
+
+  t = inf_ptrace_target ();
+  t->to_fetch_registers = mips64obsd_fetch_inferior_registers;
+  t->to_store_registers = mips64obsd_store_inferior_registers;
+  add_target (t);
+}