2004-11-05 Jeff Johnston <jjohnstn@redhat.com>
[deliverable/binutils-gdb.git] / gdb / sparc64-nat.c
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1/* Native-dependent code for GNU/Linux UltraSPARC.
2
3 Copyright 2003 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
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.
11
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.
16
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. */
21
22#include "defs.h"
23#include "gdbarch.h"
24
25#include "sparc64-tdep.h"
26#include "sparc-nat.h"
27
28/* Determine whether `gregset_t' contains register REGNUM. */
29
30static int
31sparc64_gregset_supplies_p (int regnum)
32{
33 if (gdbarch_ptr_bit (current_gdbarch) == 32)
34 return sparc32_gregset_supplies_p (regnum);
35
36 /* Integer registers. */
37 if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM)
38 || (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
39 || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_L7_REGNUM)
40 || (regnum >= SPARC_I0_REGNUM && regnum <= SPARC_I7_REGNUM))
41 return 1;
42
43 /* Control registers. */
44 if (regnum == SPARC64_PC_REGNUM
45 || regnum == SPARC64_NPC_REGNUM
46 || regnum == SPARC64_STATE_REGNUM
47 || regnum == SPARC64_Y_REGNUM
48 || regnum == SPARC64_FPRS_REGNUM)
49 return 1;
50
51 return 0;
52}
53
54/* Determine whether `fpregset_t' contains register REGNUM. */
55
56static int
57sparc64_fpregset_supplies_p (int regnum)
58{
59 if (gdbarch_ptr_bit (current_gdbarch) == 32)
60 return sparc32_fpregset_supplies_p (regnum);
61
62 /* Floating-point registers. */
63 if ((regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
64 || (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM))
65 return 1;
66
67 /* Control registers. */
68 if (regnum == SPARC64_FSR_REGNUM)
69 return 1;
70
71 return 0;
72}
73\f
74
75/* Provide a prototype to silence -Wmissing-prototypes. */
76void _initialize_sparc64_nat (void);
77
78void
79_initialize_sparc64_nat (void)
80{
81 sparc_supply_gregset = sparc64_supply_gregset;
82 sparc_collect_gregset = sparc64_collect_gregset;
83 sparc_supply_fpregset = sparc64_supply_fpregset;
84 sparc_collect_fpregset = sparc64_collect_fpregset;
85 sparc_gregset_supplies_p = sparc64_gregset_supplies_p;
86 sparc_fpregset_supplies_p = sparc64_fpregset_supplies_p;
87}
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