gdb/shnbsd-tdep.c - gdb

Global variables defined

Functions defined

Macros defined

Source code

  1. /* Target-dependent code for NetBSD/sh.

  3.    Copyright (C) 2002-2015 Free Software Foundation, Inc.

  5.    Contributed by Wasabi Systems, Inc.

  7.    This file is part of GDB.

  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.

  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.

  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/>.  */

  22. #include "defs.h"
  23. #include "gdbcore.h"
  24. #include "regset.h"
  25. #include "value.h"
  26. #include "osabi.h"

  28. #include "sh-tdep.h"
  29. #include "solib-svr4.h"

  31. /* Convert a register number into an offset into a ptrace
  32.    register structure.  */
  33. ‌static const struct sh_corefile_regmap regmap[] =
  34. {
  35.   {R0_REGNUM,      20 * 4},
  36.   {R0_REGNUM + 1,  19 * 4},
  37.   {R0_REGNUM + 2,  18 * 4},
  38.   {R0_REGNUM + 3,  17 * 4},
  39.   {R0_REGNUM + 4,  16 * 4},
  40.   {R0_REGNUM + 5,  15 * 4},
  41.   {R0_REGNUM + 6,  14 * 4},
  42.   {R0_REGNUM + 7,  13 * 4},
  43.   {R0_REGNUM + 8,  12 * 4},
  44.   {R0_REGNUM + 9,  11 * 4},
  45.   {R0_REGNUM + 10, 10 * 4},
  46.   {R0_REGNUM + 11,  9 * 4},
  47.   {R0_REGNUM + 12,  8 * 4},
  48.   {R0_REGNUM + 13,  7 * 4},
  49.   {R0_REGNUM + 14,  6 * 4},
  50.   {R0_REGNUM + 15,  5 * 4},
  51.   {PC_REGNUM,       0 * 4},
  52.   {SR_REGNUM,       1 * 4},
  53.   {PR_REGNUM,            2 * 4},
  54.   {MACH_REGNUM,            3 * 4},
  55.   {MACL_REGNUM,            4 * 4},
  56.   {-1 /* Terminator.  */, 0}
  57. };


  60. static void
  61. ‌shnbsd_init_abi (struct gdbarch_info info,
  62.                   struct gdbarch *gdbarch)
  63. {
  64.   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  66.   tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
  67.   tdep->sizeof_gregset = 84;

  69.   set_solib_svr4_fetch_link_map_offsets
  70.     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
  71. }


  74. /* OpenBSD uses uses the traditional NetBSD core file format, even for
  75.    ports that use ELF.  */
  76. ‌#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF

  78. static enum gdb_osabi
  79. ‌shnbsd_core_osabi_sniffer (bfd *abfd)
  80. {
  81.   if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
  82.     return GDB_OSABI_NETBSD_CORE;

  84.   return GDB_OSABI_UNKNOWN;
  85. }

  87. /* Provide a prototype to silence -Wmissing-prototypes.  */
  88. extern initialize_file_ftype _initialize_shnbsd_tdep;

  90. void
  91. ‌_initialize_shnbsd_tdep (void)
  92. {
  93.   /* BFD doesn't set a flavour for NetBSD style a.out core files.  */
  94.   gdbarch_register_osabi_sniffer (bfd_arch_sh, bfd_target_unknown_flavour,
  95.                                   shnbsd_core_osabi_sniffer);

  97.   gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD_ELF,
  98.                           shnbsd_init_abi);
  99.   gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_OPENBSD_ELF,
  100.                           shnbsd_init_abi);
  101. }