gdb/sparc64-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003-2024 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 "gdbarch.h"
  21
  22 #include "sparc64-tdep.h"
  23 #include "sparc-nat.h"
  24
  25 /* Determine whether `gregset_t' contains register REGNUM.  */
  26
  27 static int
  28 sparc64_gregset_supplies_p (struct gdbarch *gdbarch, int regnum)
  29 {
  30   if (gdbarch_ptr_bit (gdbarch) == 32)
  31     return sparc32_gregset_supplies_p (gdbarch, regnum);
  32
  33   /* Integer registers.  */
  34   if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM)
  35       || (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
  36       || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_L7_REGNUM)
  37       || (regnum >= SPARC_I0_REGNUM && regnum <= SPARC_I7_REGNUM))
  38     return 1;
  39
  40   /* Control registers.  */
  41   if (regnum == SPARC64_PC_REGNUM
  42       || regnum == SPARC64_NPC_REGNUM
  43       || regnum == SPARC64_STATE_REGNUM
  44       || regnum == SPARC64_Y_REGNUM
  45       || regnum == SPARC64_FPRS_REGNUM)
  46     return 1;
  47
  48   return 0;
  49 }
  50
  51 /* Determine whether `fpregset_t' contains register REGNUM.  */
  52
  53 static int
  54 sparc64_fpregset_supplies_p (struct gdbarch *gdbarch, int regnum)
  55 {
  56   if (gdbarch_ptr_bit (gdbarch) == 32)
  57     return sparc32_fpregset_supplies_p (gdbarch, regnum);
  58
  59   /* Floating-point registers.  */
  60   if ((regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
  61       || (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM))
  62     return 1;
  63
  64   /* Control registers.  */
  65   if (regnum == SPARC64_FSR_REGNUM)
  66     return 1;
  67
  68   return 0;
  69 }
  70
  71 void _initialize_sparc64_nat ();
  72 void
  73 _initialize_sparc64_nat ()
  74 {
  75   sparc_supply_gregset = sparc64_supply_gregset;
  76   sparc_collect_gregset = sparc64_collect_gregset;
  77   sparc_supply_fpregset = sparc64_supply_fpregset;
  78   sparc_collect_fpregset = sparc64_collect_fpregset;
  79   sparc_gregset_supplies_p = sparc64_gregset_supplies_p;
  80   sparc_fpregset_supplies_p = sparc64_fpregset_supplies_p;
  81 }