From af5ca30dc3dea6cf168332e1f87306acc51a0fd5 Mon Sep 17 00:00:00 2001 From: Nick Hudson Date: Sat, 19 Jan 2008 15:03:50 +0000 Subject: 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. --- gdb/hppaobsd-tdep.c | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 gdb/hppaobsd-tdep.c (limited to 'gdb/hppaobsd-tdep.c') diff --git a/gdb/hppaobsd-tdep.c b/gdb/hppaobsd-tdep.c new file mode 100644 index 0000000..bc4c8e7 --- /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 . */ +#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); +} -- cgit v1.1