gdb/sparc64-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003, 2007 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., 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, 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
  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
  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 \f
  74
  75 /* Provide a prototype to silence -Wmissing-prototypes.  */
  76 void _initialize_sparc64_nat (void);
  77
  78 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 }