gdb/sparc64-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003, 2007, 2008, 2009, 2010 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 3 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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21 #include "gdbarch.h"
  22
  23 #include "sparc64-tdep.h"
  24 #include "sparc-nat.h"
  25
  26 /* Determine whether `gregset_t' contains register REGNUM.  */
  27
  28 static int
  29 sparc64_gregset_supplies_p (struct gdbarch *gdbarch, int regnum)
  30 {
  31   if (gdbarch_ptr_bit (gdbarch) == 32)
  32     return sparc32_gregset_supplies_p (gdbarch, regnum);
  33
  34   /* Integer registers.  */
  35   if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM)
  36       || (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
  37       || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_L7_REGNUM)
  38       || (regnum >= SPARC_I0_REGNUM && regnum <= SPARC_I7_REGNUM))
  39     return 1;
  40
  41   /* Control registers.  */
  42   if (regnum == SPARC64_PC_REGNUM
  43       || regnum == SPARC64_NPC_REGNUM
  44       || regnum == SPARC64_STATE_REGNUM
  45       || regnum == SPARC64_Y_REGNUM
  46       || regnum == SPARC64_FPRS_REGNUM)
  47     return 1;
  48
  49   return 0;
  50 }
  51
  52 /* Determine whether `fpregset_t' contains register REGNUM.  */
  53
  54 static int
  55 sparc64_fpregset_supplies_p (struct gdbarch *gdbarch, int regnum)
  56 {
  57   if (gdbarch_ptr_bit (gdbarch) == 32)
  58     return sparc32_fpregset_supplies_p (gdbarch, regnum);
  59
  60   /* Floating-point registers.  */
  61   if ((regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
  62       || (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM))
  63     return 1;
  64
  65   /* Control registers.  */
  66   if (regnum == SPARC64_FSR_REGNUM)
  67     return 1;
  68
  69   return 0;
  70 }
  71 \f
  72
  73 /* Provide a prototype to silence -Wmissing-prototypes.  */
  74 void _initialize_sparc64_nat (void);
  75
  76 void
  77 _initialize_sparc64_nat (void)
  78 {
  79   sparc_supply_gregset = sparc64_supply_gregset;
  80   sparc_collect_gregset = sparc64_collect_gregset;
  81   sparc_supply_fpregset = sparc64_supply_fpregset;
  82   sparc_collect_fpregset = sparc64_collect_fpregset;
  83   sparc_gregset_supplies_p = sparc64_gregset_supplies_p;
  84   sparc_fpregset_supplies_p = sparc64_fpregset_supplies_p;
  85 }