gdb/sparc64-linux-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003, 2005, 2006, 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 "regcache.h"
  24
  25 #include <sys/procfs.h>
  26 #include "gregset.h"
  27
  28 #include "sparc64-tdep.h"
  29 #include "sparc-tdep.h"
  30 #include "sparc-nat.h"
  31 #include "inferior.h"
  32 #include "target.h"
  33 #include "linux-nat.h"
  34
  35 static const struct sparc_gregset sparc64_linux_ptrace_gregset =
  36 {
  37   16 * 8,                       /* "tstate" */
  38   17 * 8,                       /* %pc */
  39   18 * 8,                       /* %npc */
  40   19 * 8,                       /* %y */
  41   -1,                           /* %wim */
  42   -1,                           /* %tbr */
  43   0 * 8,                        /* %g1 */
  44   -1,                           /* %l0 */
  45   4                             /* sizeof (%y) */
  46 };
  47 \f
  48
  49 void
  50 supply_gregset (prgregset_t *gregs)
  51 {
  52   sparc64_supply_gregset (sparc_gregset, current_regcache, -1, gregs);
  53 }
  54
  55 void
  56 supply_fpregset (prfpregset_t *fpregs)
  57 {
  58   sparc64_supply_fpregset (current_regcache, -1, fpregs);
  59 }
  60
  61 void
  62 fill_gregset (prgregset_t *gregs, int regnum)
  63 {
  64   sparc64_collect_gregset (sparc_gregset, current_regcache, regnum, gregs);
  65 }
  66
  67 void
  68 fill_fpregset (prfpregset_t *fpregs, int regnum)
  69 {
  70   sparc64_collect_fpregset (current_regcache, regnum, fpregs);
  71 }
  72
  73 /* Provide a prototype to silence -Wmissing-prototypes.  */
  74 void _initialize_sparc64_linux_nat (void);
  75
  76 void
  77 _initialize_sparc64_linux_nat (void)
  78 {
  79   struct target_ops *t;
  80
  81   /* Fill in the generic GNU/Linux methods.  */
  82   t = linux_target ();
  83
  84   /* Add our register access methods.  */
  85   t->to_fetch_registers = fetch_inferior_registers;
  86   t->to_store_registers = store_inferior_registers;
  87
  88   /* Register the target.  */
  89   linux_nat_add_target (t);
  90
  91   sparc_gregset = &sparc64_linux_ptrace_gregset;
  92 }