1 /* Target-dependent code for HP PA-RISC BSD's.
3 Copyright 2004 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., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 #include "arch-utils.h"
28 #include "gdb_assert.h"
29 #include "gdb_string.h"
31 #include "hppa-tdep.h"
32 #include "solib-svr4.h"
34 /* Core file support. */
36 /* Sizeof `struct reg' in <machine/reg.h>. */
37 #define HPPABSD_SIZEOF_GREGS (34 * 4)
39 /* Supply register REGNUM from the buffer specified by GREGS and LEN
40 in the general-purpose register set REGSET to register cache
41 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
44 hppabsd_supply_gregset (const struct regset
*regset
, struct regcache
*regcache
,
45 int regnum
, const void *gregs
, size_t len
)
47 const char *regs
= gregs
;
51 gdb_assert (len
>= HPPABSD_SIZEOF_GREGS
);
53 for (i
= HPPA_R1_REGNUM
, offset
= 4; i
<= HPPA_R31_REGNUM
; i
++, offset
+= 4)
55 if (regnum
== -1 || regnum
== i
)
56 regcache_raw_supply (regcache
, i
, regs
+ offset
);
59 if (regnum
== -1 || regnum
== HPPA_SAR_REGNUM
)
60 regcache_raw_supply (regcache
, HPPA_SAR_REGNUM
, regs
);
61 if (regnum
== -1 || regnum
== HPPA_PCOQ_HEAD_REGNUM
)
62 regcache_raw_supply (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 32 * 4);
63 if (regnum
== -1 || regnum
== HPPA_PCOQ_TAIL_REGNUM
)
64 regcache_raw_supply (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 33 * 4);
67 /* OpenBSD/hppa register set. */
69 static struct regset hppabsd_gregset
=
72 hppabsd_supply_gregset
75 /* Return the appropriate register set for the core section identified
76 by SECT_NAME and SECT_SIZE. */
78 static const struct regset
*
79 hppabsd_regset_from_core_section (struct gdbarch
*gdbarch
,
80 const char *sect_name
, size_t sect_size
)
82 if (strcmp (sect_name
, ".reg") == 0 && sect_size
>= HPPABSD_SIZEOF_GREGS
)
83 return &hppabsd_gregset
;
90 hppabsd_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
92 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
94 /* Core file support. */
95 set_gdbarch_regset_from_core_section
96 (gdbarch
, hppabsd_regset_from_core_section
);
98 /* OpenBSD and NetBSD use ELF. */
101 /* OpenBSD and NetBSD uses SVR4-style shared libraries. */
102 set_solib_svr4_fetch_link_map_offsets
103 (gdbarch
, svr4_ilp32_fetch_link_map_offsets
);
107 /* OpenBSD uses uses the traditional NetBSD core file format, even for
108 ports that use ELF. */
109 #define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
111 static enum gdb_osabi
112 hppabsd_core_osabi_sniffer (bfd
*abfd
)
114 if (strcmp (bfd_get_target (abfd
), "netbsd-core") == 0)
115 return GDB_OSABI_NETBSD_CORE
;
117 return GDB_OSABI_UNKNOWN
;
121 /* Provide a prototype to silence -Wmissing-prototypes. */
122 void _initialize_hppabsd_tdep (void);
125 _initialize_hppabsd_tdep (void)
127 /* BFD doesn't set a flavour for NetBSD style a.out core files. */
128 gdbarch_register_osabi_sniffer (bfd_arch_hppa
, bfd_target_unknown_flavour
,
129 hppabsd_core_osabi_sniffer
);
131 gdbarch_register_osabi (bfd_arch_hppa
, 0, GDB_OSABI_NETBSD_ELF
,
133 gdbarch_register_osabi (bfd_arch_hppa
, 0, GDB_OSABI_OPENBSD_ELF
,