* 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.

1 files changed, 98 insertions, 0 deletions

diff --git a/gdb/mips64obsd-tdep.c b/gdb/mips64obsd-tdep.c
new file mode 100644
index 0000000..34ca830
--- /dev/null
+++ b/gdb/mips64obsd-tdep.c
@@ -0,0 +1,98 @@
+/* Target-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 "osabi.h"
+#include "regcache.h"
+#include "regset.h"
+
+#include "gdb_string.h"
+
+#include "mips-tdep.h"
+#include "solib-svr4.h"
+
+#define MIPS64OBSD_NUM_REGS 73
+
+/* Core file support.  */
+
+/* Supply register REGNUM from the buffer specified by GREGS and LEN
+   in the general-purpose register set REGSET to register cache
+   REGCACHE.  If REGNUM is -1, do this for all registers in REGSET.  */
+
+static void
+mips64obsd_supply_gregset (const struct regset *regset,
+			   struct regcache *regcache, int regnum,
+			   const void *gregs, size_t len)
+{
+  const char *regs = gregs;
+  int i;
+
+  for (i = 0; i < MIPS64OBSD_NUM_REGS; i++)
+    {
+      if (regnum == i || regnum == -1)
+	regcache_raw_supply (regcache, i, regs + i * 8);
+    }
+}
+
+/* OpenBSD/mips64 register set.  */
+
+static struct regset mips64obsd_gregset =
+{
+  NULL,
+  mips64obsd_supply_gregset
+};
+
+/* Return the appropriate register set for the core section identified
+   by SECT_NAME and SECT_SIZE.  */
+
+static const struct regset *
+mips64obsd_regset_from_core_section (struct gdbarch *gdbarch,
+				     const char *sect_name, size_t sect_size)
+{
+  if (strcmp (sect_name, ".reg") == 0 && sect_size >= MIPS64OBSD_NUM_REGS * 8)
+    return &mips64obsd_gregset;
+
+  return NULL;
+}
+
+
+static void
+mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  set_gdbarch_regset_from_core_section
+    (gdbarch, mips64obsd_regset_from_core_section);
+
+  set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
+
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, svr4_lp64_fetch_link_map_offsets);
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_mips64obsd_tdep (void);
+
+void
+_initialize_mips64obsd_tdep (void)
+{
+  gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_OPENBSD_ELF,
+			  mips64obsd_init_abi);
+}