gdb/sh-netbsd-tdep.c

   1 /* Target-dependent code for NetBSD/sh.
   2
   3    Copyright (C) 2002-2024 Free Software Foundation, Inc.
   4
   5    Contributed by Wasabi Systems, Inc.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22 #include "gdbcore.h"
  23 #include "regset.h"
  24 #include "value.h"
  25 #include "osabi.h"
  26
  27 #include "sh-tdep.h"
  28 #include "netbsd-tdep.h"
  29 #include "solib-svr4.h"
  30 #include "gdbarch.h"
  31
  32 /* Convert a register number into an offset into a ptrace
  33    register structure.  */
  34 static const struct sh_corefile_regmap regmap[] =
  35 {
  36   {R0_REGNUM,      20 * 4},
  37   {R0_REGNUM + 1,  19 * 4},
  38   {R0_REGNUM + 2,  18 * 4},
  39   {R0_REGNUM + 3,  17 * 4},
  40   {R0_REGNUM + 4,  16 * 4},
  41   {R0_REGNUM + 5,  15 * 4},
  42   {R0_REGNUM + 6,  14 * 4},
  43   {R0_REGNUM + 7,  13 * 4},
  44   {R0_REGNUM + 8,  12 * 4},
  45   {R0_REGNUM + 9,  11 * 4},
  46   {R0_REGNUM + 10, 10 * 4},
  47   {R0_REGNUM + 11,  9 * 4},
  48   {R0_REGNUM + 12,  8 * 4},
  49   {R0_REGNUM + 13,  7 * 4},
  50   {R0_REGNUM + 14,  6 * 4},
  51   {R0_REGNUM + 15,  5 * 4},
  52   {PC_REGNUM,       0 * 4},
  53   {SR_REGNUM,       1 * 4},
  54   {PR_REGNUM,       2 * 4},
  55   {MACH_REGNUM,     3 * 4},
  56   {MACL_REGNUM,     4 * 4},
  57   {-1 /* Terminator.  */, 0}
  58 };
  59 \f
  60
  61 static void
  62 shnbsd_init_abi (struct gdbarch_info info,
  63                   struct gdbarch *gdbarch)
  64 {
  65   sh_gdbarch_tdep *tdep = gdbarch_tdep<sh_gdbarch_tdep> (gdbarch);
  66   nbsd_init_abi (info, gdbarch);
  67
  68   tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
  69   tdep->sizeof_gregset = 84;
  70
  71   set_solib_svr4_fetch_link_map_offsets
  72     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
  73 }
  74
  75 void _initialize_shnbsd_tdep ();
  76 void
  77 _initialize_shnbsd_tdep ()
  78 {
  79   gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD,
  80                           shnbsd_init_abi);
  81   gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_OPENBSD,
  82                           shnbsd_init_abi);
  83 }