gdb/sparc64-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "defs.h"
  22 #include "gdbarch.h"
  23
  24 #include "sparc64-tdep.h"
  25 #include "sparc-nat.h"
  26
  27 /* Determine whether `gregset_t' contains register REGNUM.  */
  28
  29 static int
  30 sparc64_gregset_supplies_p (struct gdbarch *gdbarch, int regnum)
  31 {
  32   if (gdbarch_ptr_bit (gdbarch) == 32)
  33     return sparc32_gregset_supplies_p (gdbarch, regnum);
  34
  35   /* Integer registers.  */
  36   if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM)
  37       || (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
  38       || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_L7_REGNUM)
  39       || (regnum >= SPARC_I0_REGNUM && regnum <= SPARC_I7_REGNUM))
  40     return 1;
  41
  42   /* Control registers.  */
  43   if (regnum == SPARC64_PC_REGNUM
  44       || regnum == SPARC64_NPC_REGNUM
  45       || regnum == SPARC64_STATE_REGNUM
  46       || regnum == SPARC64_Y_REGNUM
  47       || regnum == SPARC64_FPRS_REGNUM)
  48     return 1;
  49
  50   return 0;
  51 }
  52
  53 /* Determine whether `fpregset_t' contains register REGNUM.  */
  54
  55 static int
  56 sparc64_fpregset_supplies_p (struct gdbarch *gdbarch, int regnum)
  57 {
  58   if (gdbarch_ptr_bit (gdbarch) == 32)
  59     return sparc32_fpregset_supplies_p (gdbarch, regnum);
  60
  61   /* Floating-point registers.  */
  62   if ((regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
  63       || (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM))
  64     return 1;
  65
  66   /* Control registers.  */
  67   if (regnum == SPARC64_FSR_REGNUM)
  68     return 1;
  69
  70   return 0;
  71 }
  72 \f
  73
  74 /* Provide a prototype to silence -Wmissing-prototypes.  */
  75 void _initialize_sparc64_nat (void);
  76
  77 void
  78 _initialize_sparc64_nat (void)
  79 {
  80   sparc_supply_gregset = sparc64_supply_gregset;
  81   sparc_collect_gregset = sparc64_collect_gregset;
  82   sparc_supply_fpregset = sparc64_supply_fpregset;
  83   sparc_collect_fpregset = sparc64_collect_fpregset;
  84   sparc_gregset_supplies_p = sparc64_gregset_supplies_p;
  85   sparc_fpregset_supplies_p = sparc64_fpregset_supplies_p;
  86 }