xref: /openbsd/gnu/usr.bin/binutils/gdb/sparc64-nat.c (revision b725ae77)
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 
30 static int
sparc64_gregset_supplies_p(int regnum)31 sparc64_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 
56 static int
sparc64_fpregset_supplies_p(int regnum)57 sparc64_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 
74 
75 /* Provide a prototype to silence -Wmissing-prototypes.  */
76 void _initialize_sparc64_nat (void);
77 
78 void
_initialize_sparc64_nat(void)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 }
88