gdb/sparc64-linux-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009
   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 "regcache.h"
  23
  24 #include <sys/procfs.h>
  25 #include "gregset.h"
  26
  27 #include "sparc64-tdep.h"
  28 #include "sparc-tdep.h"
  29 #include "sparc-nat.h"
  30 #include "inferior.h"
  31 #include "target.h"
  32 #include "linux-nat.h"
  33
  34 static const struct sparc_gregset sparc64_linux_ptrace_gregset =
  35 {
  36   16 * 8,                       /* "tstate" */
  37   17 * 8,                       /* %pc */
  38   18 * 8,                       /* %npc */
  39   19 * 8,                       /* %y */
  40   -1,                           /* %wim */
  41   -1,                           /* %tbr */
  42   0 * 8,                        /* %g1 */
  43   -1,                           /* %l0 */
  44   4                             /* sizeof (%y) */
  45 };
  46 \f
  47
  48 void
  49 supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
  50 {
  51   sparc64_supply_gregset (sparc_gregset, regcache, -1, gregs);
  52 }
  53
  54 void
  55 supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
  56 {
  57   sparc64_supply_fpregset (regcache, -1, fpregs);
  58 }
  59
  60 void
  61 fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum)
  62 {
  63   sparc64_collect_gregset (sparc_gregset, regcache, regnum, gregs);
  64 }
  65
  66 void
  67 fill_fpregset (const struct regcache *regcache,
  68                prfpregset_t *fpregs, int regnum)
  69 {
  70   sparc64_collect_fpregset (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 = sparc_fetch_inferior_registers;
  86   t->to_store_registers = sparc_store_inferior_registers;
  87
  88   /* Register the target.  */
  89   linux_nat_add_target (t);
  90
  91   sparc_gregset = &sparc64_linux_ptrace_gregset;
  92 }