1 /* Target-dependent code for OpenBSD/hppa
3 Copyright (C) 2004, 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
27 #include "gdb_assert.h"
28 #include "gdb_string.h"
30 #include "hppa-tdep.h"
31 #include "hppabsd-tdep.h"
33 /* Core file support. */
35 /* Sizeof `struct reg' in <machine/reg.h>. */
36 #define HPPABSD_SIZEOF_GREGS (34 * 4)
38 /* Supply register REGNUM from the buffer specified by GREGS and LEN
39 in the general-purpose register set REGSET to register cache
40 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
43 hppabsd_supply_gregset (const struct regset
*regset
, struct regcache
*regcache
,
44 int regnum
, const void *gregs
, size_t len
)
46 const gdb_byte
*regs
= gregs
;
50 gdb_assert (len
>= HPPABSD_SIZEOF_GREGS
);
52 for (i
= HPPA_R1_REGNUM
, offset
= 4; i
<= HPPA_R31_REGNUM
; i
++, offset
+= 4)
54 if (regnum
== -1 || regnum
== i
)
55 regcache_raw_supply (regcache
, i
, regs
+ offset
);
58 if (regnum
== -1 || regnum
== HPPA_SAR_REGNUM
)
59 regcache_raw_supply (regcache
, HPPA_SAR_REGNUM
, regs
);
60 if (regnum
== -1 || regnum
== HPPA_PCOQ_HEAD_REGNUM
)
61 regcache_raw_supply (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 32 * 4);
62 if (regnum
== -1 || regnum
== HPPA_PCOQ_TAIL_REGNUM
)
63 regcache_raw_supply (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 33 * 4);
66 /* OpenBSD/hppa register set. */
68 static struct regset hppabsd_gregset
=
71 hppabsd_supply_gregset
74 /* Return the appropriate register set for the core section identified
75 by SECT_NAME and SECT_SIZE. */
77 static const struct regset
*
78 hppaobsd_regset_from_core_section (struct gdbarch
*gdbarch
,
79 const char *sect_name
, size_t sect_size
)
81 if (strcmp (sect_name
, ".reg") == 0 && sect_size
>= HPPABSD_SIZEOF_GREGS
)
82 return &hppabsd_gregset
;
89 hppaobsd_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
91 /* Obviously OpenBSD is BSD-based. */
92 hppabsd_init_abi (info
, gdbarch
);
94 /* Core file support. */
95 set_gdbarch_regset_from_core_section
96 (gdbarch
, hppaobsd_regset_from_core_section
);
101 /* OpenBSD uses uses the traditional NetBSD core file format, even for
102 ports that use ELF. */
103 #define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
105 static enum gdb_osabi
106 hppaobsd_core_osabi_sniffer (bfd
*abfd
)
108 if (strcmp (bfd_get_target (abfd
), "netbsd-core") == 0)
109 return GDB_OSABI_NETBSD_CORE
;
111 return GDB_OSABI_UNKNOWN
;
115 /* Provide a prototype to silence -Wmissing-prototypes. */
116 void _initialize_hppabsd_tdep (void);
119 _initialize_hppabsd_tdep (void)
121 /* BFD doesn't set a flavour for NetBSD style a.out core files. */
122 gdbarch_register_osabi_sniffer (bfd_arch_hppa
, bfd_target_unknown_flavour
,
123 hppaobsd_core_osabi_sniffer
);
125 gdbarch_register_osabi (bfd_arch_hppa
, 0, GDB_OSABI_OPENBSD_ELF
,