1 /* Native-dependent code for HP PA-RISC BSD's.
3 Copyright 2004, 2005 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. */
27 #include <sys/types.h>
28 #include <sys/ptrace.h>
29 #include <machine/reg.h>
31 #include "hppa-tdep.h"
32 #include "inf-ptrace.h"
35 hppabsd_gregset_supplies_p (int regnum
)
37 return (regnum
>= HPPA_R0_REGNUM
&& regnum
<= HPPA_PCOQ_TAIL_REGNUM
);
40 /* Supply the general-purpose registers stored in GREGS to REGCACHE. */
43 hppabsd_supply_gregset (struct regcache
*regcache
, const void *gregs
)
45 const char *regs
= gregs
;
48 for (regnum
= HPPA_R1_REGNUM
; regnum
<= HPPA_R31_REGNUM
; regnum
++)
49 regcache_raw_supply (regcache
, regnum
, regs
+ regnum
* 4);
51 regcache_raw_supply (regcache
, HPPA_SAR_REGNUM
, regs
);
52 regcache_raw_supply (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 32 * 4);
53 regcache_raw_supply (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 33 * 4);
56 /* Collect the general-purpose registers from REGCACHE and store them
60 hppabsd_collect_gregset (const struct regcache
*regcache
,
61 void *gregs
, int regnum
)
66 for (i
= HPPA_R1_REGNUM
; i
<= HPPA_R31_REGNUM
; i
++)
68 if (regnum
== -1 || regnum
== i
)
69 regcache_raw_collect (regcache
, i
, regs
+ i
* 4);
72 if (regnum
== -1 || regnum
== HPPA_SAR_REGNUM
)
73 regcache_raw_collect (regcache
, HPPA_SAR_REGNUM
, regs
);
74 if (regnum
== -1 || regnum
== HPPA_PCOQ_HEAD_REGNUM
)
75 regcache_raw_collect (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 32 * 4);
76 if (regnum
== -1 || regnum
== HPPA_PCOQ_TAIL_REGNUM
)
77 regcache_raw_collect (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 33 * 4);
81 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
82 for all registers (including the floating-point registers). */
85 hppabsd_fetch_registers (int regnum
)
87 struct regcache
*regcache
= current_regcache
;
89 if (regnum
== -1 || hppabsd_gregset_supplies_p (regnum
))
93 if (ptrace (PT_GETREGS
, PIDGET (inferior_ptid
),
94 (PTRACE_TYPE_ARG3
) ®s
, 0) == -1)
95 perror_with_name (_("Couldn't get registers"));
97 hppabsd_supply_gregset (regcache
, ®s
);
101 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
102 this for all registers (including the floating-point registers). */
105 hppabsd_store_registers (int regnum
)
107 if (regnum
== -1 || hppabsd_gregset_supplies_p (regnum
))
111 if (ptrace (PT_GETREGS
, PIDGET (inferior_ptid
),
112 (PTRACE_TYPE_ARG3
) ®s
, 0) == -1)
113 perror_with_name (_("Couldn't get registers"));
115 hppabsd_collect_gregset (current_regcache
, ®s
, regnum
);
117 if (ptrace (PT_SETREGS
, PIDGET (inferior_ptid
),
118 (PTRACE_TYPE_ARG3
) ®s
, 0) == -1)
119 perror_with_name (_("Couldn't write registers"));
123 /* Provide a prototype to silence -Wmissing-prototypes. */
124 void _initialize_hppabsd_nat (void);
127 _initialize_hppabsd_nat (void)
129 struct target_ops
*t
;
131 /* Add in local overrides. */
132 t
= inf_ptrace_target ();
133 t
->to_fetch_registers
= hppabsd_fetch_registers
;
134 t
->to_store_registers
= hppabsd_store_registers
;
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