gdb/sparc64-linux-nat.c

   1 /* Native-dependent code for GNU/Linux UltraSPARC.
   2
   3    Copyright (C) 2003-2014 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 "regcache.h"
  22
  23 #include <sys/procfs.h>
  24 #include "gregset.h"
  25
  26 #include "sparc64-tdep.h"
  27 #include "sparc-tdep.h"
  28 #include "sparc-nat.h"
  29 #include "inferior.h"
  30 #include "target.h"
  31 #include "linux-nat.h"
  32
  33 static const struct sparc_gregmap sparc64_linux_ptrace_gregmap =
  34 {
  35   16 * 8,                       /* "tstate" */
  36   17 * 8,                       /* %pc */
  37   18 * 8,                       /* %npc */
  38   19 * 8,                       /* %y */
  39   -1,                           /* %wim */
  40   -1,                           /* %tbr */
  41   0 * 8,                        /* %g1 */
  42   -1,                           /* %l0 */
  43   4                             /* sizeof (%y) */
  44 };
  45 \f
  46
  47 void
  48 supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
  49 {
  50   sparc64_supply_gregset (sparc_gregmap, regcache, -1, gregs);
  51 }
  52
  53 void
  54 supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
  55 {
  56   sparc64_supply_fpregset (&sparc64_bsd_fpregmap, regcache, -1, fpregs);
  57 }
  58
  59 void
  60 fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum)
  61 {
  62   sparc64_collect_gregset (sparc_gregmap, regcache, regnum, gregs);
  63 }
  64
  65 void
  66 fill_fpregset (const struct regcache *regcache,
  67                prfpregset_t *fpregs, int regnum)
  68 {
  69   sparc64_collect_fpregset (&sparc64_bsd_fpregmap, regcache, regnum, fpregs);
  70 }
  71
  72 /* Provide a prototype to silence -Wmissing-prototypes.  */
  73 void _initialize_sparc64_linux_nat (void);
  74
  75 void
  76 _initialize_sparc64_linux_nat (void)
  77 {
  78   struct target_ops *t;
  79
  80   /* Fill in the generic GNU/Linux methods.  */
  81   t = linux_target ();
  82
  83   sparc_fpregmap = &sparc64_bsd_fpregmap;
  84
  85   /* Add our register access methods.  */
  86   t->to_fetch_registers = sparc_fetch_inferior_registers;
  87   t->to_store_registers = sparc_store_inferior_registers;
  88
  89   /* Register the target.  */
  90   linux_nat_add_target (t);
  91
  92   sparc_gregmap = &sparc64_linux_ptrace_gregmap;
  93 }