Add NetBSD/hppa target and host support.

	* hppabsd-tdep.c (hppabsd_supply_gregset): Move to ...
	(hppabsd_gregset): Move to ...
	(hppabsd_regset_from_core_section): Rename
	hppaobsd_regset_from_core_section and move to ...
	(hppabsd_find_global_pointer): Update comment.
	(hppabsd_init_abi): Make global. Do not register
	hppabsd_regset_from_core_section.
	(hppabsd_core_osabi_sniffer): Rename hppaobsd_core_osabi_sniffer and
	move to ...
	(_initialize_hppabsd_tdep): Move to ...
	* hppaobsd-tdep.c: ... here. New file.
	* hppnbsd-tdep.c: New file.
	* hppnbsd-nat.c: New file.
        * Makefile.in (ALL_TARGET_OBS): Add hppanbsd-tdep.o and hppaobsd-tdep.o.
	(ALLDEPFILES): Add hppabsd-nat.c and hppabsd-tdep.c.
        (hppabsd-nat.o, hppabsd-tdep.o): New dependencies.
        (hppabsd-tdep.o, hppaobsd-tdep.o): Update dependencies.
	* configure.host (hppa*-*-netbsd*): New entry.
	* configure.tgt (hppa*-*-netbsd*): New entry.
	(hppa*-*-openbsd*): Update.
	* NEWS (New native configuration): Mention NetBSD/hppa.
	(New targets): Mention NetBSD/hppa.

1 files changed, 128 insertions, 0 deletions

diff --git a/gdb/hppaobsd-tdep.c b/gdb/hppaobsd-tdep.c
new file mode 100644
index 00000000000..bc4c8e7e1d2
--- /dev/null
+++ b/gdb/hppaobsd-tdep.c
@@ -0,0 +1,128 @@
+/* Target-dependent code for OpenBSD/hppa
+
+   Copyright (C) 2004, 2005, 2006, 2008 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., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+#include "defs.h"
+#include "osabi.h"
+#include "regcache.h"
+#include "regset.h"
+
+#include "gdb_assert.h"
+#include "gdb_string.h"
+
+#include "hppa-tdep.h"
+
+/* Core file support.  */
+
+/* Sizeof `struct reg' in <machine/reg.h>.  */
+#define HPPABSD_SIZEOF_GREGS	(34 * 4)
+
+/* 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
+hppabsd_supply_gregset (const struct regset *regset, struct regcache *regcache,
+		     int regnum, const void *gregs, size_t len)
+{
+  const gdb_byte *regs = gregs;
+  size_t offset;
+  int i;
+
+  gdb_assert (len >= HPPABSD_SIZEOF_GREGS);
+
+  for (i = HPPA_R1_REGNUM, offset = 4; i <= HPPA_R31_REGNUM; i++, offset += 4)
+    {
+      if (regnum == -1 || regnum == i)
+	regcache_raw_supply (regcache, i, regs + offset);
+    }
+
+  if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+    regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
+  if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+    regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
+  if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+    regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+}
+
+/* OpenBSD/hppa register set.  */
+
+static struct regset hppabsd_gregset =
+{
+  NULL,
+  hppabsd_supply_gregset
+};
+
+/* Return the appropriate register set for the core section identified
+   by SECT_NAME and SECT_SIZE.  */
+
+static const struct regset *
+hppaobsd_regset_from_core_section (struct gdbarch *gdbarch,
+				  const char *sect_name, size_t sect_size)
+{
+  if (strcmp (sect_name, ".reg") == 0 && sect_size >= HPPABSD_SIZEOF_GREGS)
+    return &hppabsd_gregset;
+
+  return NULL;
+}
+
+
+void hppabsd_init_abi (struct gdbarch_info, struct gdbarch *);
+
+void
+hppaobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  /* Obviously OpenBSD is BSD-based.  */
+  hppabsd_init_abi (info, gdbarch);
+
+  /* Core file support.  */
+  set_gdbarch_regset_from_core_section
+    (gdbarch, hppaobsd_regset_from_core_section);
+
+}
+
+
+/* OpenBSD uses uses the traditional NetBSD core file format, even for
+   ports that use ELF.  */
+#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
+
+static enum gdb_osabi
+hppaobsd_core_osabi_sniffer (bfd *abfd)
+{
+  if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
+    return GDB_OSABI_NETBSD_CORE;
+
+  return GDB_OSABI_UNKNOWN;
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_hppabsd_tdep (void);
+
+void
+_initialize_hppabsd_tdep (void)
+{
+  /* BFD doesn't set a flavour for NetBSD style a.out core files.  */
+  gdbarch_register_osabi_sniffer (bfd_arch_hppa, bfd_target_unknown_flavour,
+				  hppaobsd_core_osabi_sniffer);
+
+  gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_OPENBSD_ELF,
+			  hppaobsd_init_abi);
+}