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, 3 insertions, 101 deletions

diff --git a/gdb/hppabsd-tdep.c b/gdb/hppabsd-tdep.c
index 26605f3..f5a31cf 100644
--- a/gdb/hppabsd-tdep.c
+++ b/gdb/hppabsd-tdep.c
@@ -18,79 +18,15 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
-#include "arch-utils.h"
-#include "gdbtypes.h"
-#include "symtab.h"
 #include "objfiles.h"
-#include "osabi.h"
-#include "regcache.h"
-#include "regset.h"
 #include "target.h"
 #include "value.h"
 
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
 #include "elf/common.h"
 
 #include "hppa-tdep.h"
 #include "solib-svr4.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 *
-hppabsd_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;
-}
-
-
 CORE_ADDR
 hppabsd_find_global_pointer (struct value *function)
 {
@@ -143,11 +79,12 @@ hppabsd_find_global_pointer (struct value *function)
 		  if (target_read_memory (addr + 4, buf, sizeof buf) != 0)
 		    break;
 
-		  /* The OpenBSD ld.so doesn't relocate DT_PLTGOT, so
+		  /* The NetBSD/OpenBSD ld.so doesn't relocate DT_PLTGOT, so
 		     we have to do it ourselves.  */
 		  pltgot = extract_unsigned_integer (buf, sizeof buf);
 		  pltgot += ANOFFSET (sec->objfile->section_offsets,
 				      SECT_OFF_TEXT (sec->objfile));
+
 		  return pltgot;
 		}
 
@@ -163,7 +100,7 @@ hppabsd_find_global_pointer (struct value *function)
 }
 
 
-static void
+void
 hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
@@ -172,10 +109,6 @@ hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_long_double_bit (gdbarch, 64);
   set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
 
-  /* Core file support.  */
-  set_gdbarch_regset_from_core_section
-    (gdbarch, hppabsd_regset_from_core_section);
-
   /* OpenBSD and NetBSD use ELF.  */
   tdep->is_elf = 1;
   tdep->find_global_pointer = hppabsd_find_global_pointer;
@@ -186,34 +119,3 @@ hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_solib_svr4_fetch_link_map_offsets
     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
 }
-
-
-/* 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
-hppabsd_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,
-				  hppabsd_core_osabi_sniffer);
-
-  gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_NETBSD_ELF,
-			  hppabsd_init_abi);
-  gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_OPENBSD_ELF,
-			  hppabsd_init_abi);
-}