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diff --git a/gdb/mips64obsd-tdep.c b/gdb/mips64obsd-tdep.c
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+/* 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);
+}