1 /* Native-dependent code for NetBSD/sparc64.
3 Copyright 2003, 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. */
24 #include "sparc64-tdep.h"
25 #include "sparc-nat.h"
27 /* NetBSD is different from the other OSes that support both SPARC and
28 UltraSPARC in that the result of ptrace(2) depends on whether the
29 traced process is 32-bit or 64-bit. */
32 sparc64nbsd_supply_gregset (const struct sparc_gregset
*gregset
,
33 struct regcache
*regcache
,
34 int regnum
, const void *gregs
)
36 int sparc32
= (gdbarch_ptr_bit (current_gdbarch
) == 32);
39 sparc32_supply_gregset (&sparc32nbsd_gregset
, regcache
, regnum
, gregs
);
41 sparc64_supply_gregset (&sparc64nbsd_gregset
, regcache
, regnum
, gregs
);
45 sparc64nbsd_collect_gregset (const struct sparc_gregset
*gregset
,
46 const struct regcache
*regcache
,
47 int regnum
, void *gregs
)
49 int sparc32
= (gdbarch_ptr_bit (current_gdbarch
) == 32);
52 sparc32_collect_gregset (&sparc32nbsd_gregset
, regcache
, regnum
, gregs
);
54 sparc64_collect_gregset (&sparc64nbsd_gregset
, regcache
, regnum
, gregs
);
58 sparc64nbsd_supply_fpregset (struct regcache
*regcache
,
59 int regnum
, const void *fpregs
)
61 int sparc32
= (gdbarch_ptr_bit (current_gdbarch
) == 32);
64 sparc32_supply_fpregset (regcache
, regnum
, fpregs
);
66 sparc64_supply_fpregset (regcache
, regnum
, fpregs
);
70 sparc64nbsd_collect_fpregset (const struct regcache
*regcache
,
71 int regnum
, void *fpregs
)
73 int sparc32
= (gdbarch_ptr_bit (current_gdbarch
) == 32);
76 sparc32_collect_fpregset (regcache
, regnum
, fpregs
);
78 sparc64_collect_fpregset (regcache
, regnum
, fpregs
);
81 /* Determine whether `gregset_t' contains register REGNUM. */
84 sparc64nbsd_gregset_supplies_p (int regnum
)
86 if (gdbarch_ptr_bit (current_gdbarch
) == 32)
87 return sparc32_gregset_supplies_p (regnum
);
89 /* Integer registers. */
90 if ((regnum
>= SPARC_G1_REGNUM
&& regnum
<= SPARC_G7_REGNUM
)
91 || (regnum
>= SPARC_O0_REGNUM
&& regnum
<= SPARC_O7_REGNUM
)
92 || (regnum
>= SPARC_L0_REGNUM
&& regnum
<= SPARC_L7_REGNUM
)
93 || (regnum
>= SPARC_I0_REGNUM
&& regnum
<= SPARC_I7_REGNUM
))
96 /* Control registers. */
97 if (regnum
== SPARC64_PC_REGNUM
98 || regnum
== SPARC64_NPC_REGNUM
99 || regnum
== SPARC64_STATE_REGNUM
100 || regnum
== SPARC64_Y_REGNUM
)
106 /* Determine whether `fpregset_t' contains register REGNUM. */
109 sparc64nbsd_fpregset_supplies_p (int regnum
)
111 if (gdbarch_ptr_bit (current_gdbarch
) == 32)
112 return sparc32_fpregset_supplies_p (regnum
);
114 /* Floating-point registers. */
115 if ((regnum
>= SPARC_F0_REGNUM
&& regnum
<= SPARC_F31_REGNUM
)
116 || (regnum
>= SPARC64_F32_REGNUM
&& regnum
<= SPARC64_F62_REGNUM
))
119 /* Control registers. */
120 if (regnum
== SPARC64_FSR_REGNUM
)
127 /* Provide a prototype to silence -Wmissing-prototypes. */
128 void _initialize_sparcnbsd_nat (void);
131 _initialize_sparcnbsd_nat (void)
133 sparc_supply_gregset
= sparc64nbsd_supply_gregset
;
134 sparc_collect_gregset
= sparc64nbsd_collect_gregset
;
135 sparc_supply_fpregset
= sparc64nbsd_supply_fpregset
;
136 sparc_collect_fpregset
= sparc64nbsd_collect_fpregset
;
137 sparc_gregset_supplies_p
= sparc64nbsd_gregset_supplies_p
;
138 sparc_fpregset_supplies_p
= sparc64nbsd_fpregset_supplies_p
;