gdb/armnbsd-tdep.c

   1 /* Target-specific functions for ARM running under NetBSD.
   2    Copyright 2002 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #include "defs.h"
  22
  23 #include "arm-tdep.h"
  24
  25 /* For compatibility with previous implemenations of GDB on arm/NetBSD,
  26    override the default little-endian breakpoint.  */
  27 static const char arm_nbsd_arm_le_breakpoint[] = {0x11, 0x00, 0x00, 0xe6};
  28
  29 static void
  30 arm_netbsd_init_abi_common (struct gdbarch_info info,
  31                             struct gdbarch *gdbarch)
  32 {
  33   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  34
  35   tdep->lowest_pc = 0x8000;
  36   tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint;
  37   tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint);
  38 }
  39
  40 static void
  41 arm_netbsd_aout_init_abi (struct gdbarch_info info,
  42                           struct gdbarch *gdbarch)
  43 {
  44   arm_netbsd_init_abi_common (info, gdbarch);
  45 }
  46
  47 static void
  48 arm_netbsd_elf_init_abi (struct gdbarch_info info,
  49                          struct gdbarch *gdbarch)
  50 {
  51   arm_netbsd_init_abi_common (info, gdbarch);
  52 }
  53
  54 void
  55 _initialize_arm_netbsd_tdep (void)
  56 {
  57   arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_AOUT, arm_netbsd_aout_init_abi);
  58   arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_ELF, arm_netbsd_elf_init_abi);
  59 }