darling-gdb/gdb/armnbsd-tdep.c
Andrew Cagney edefbb7cc7 2005-01-05 Baurjan Ismagulov <ibr@ata.cs.hun.edu.tr>
Committed by Andrew Cagney.
	* ada-valprint.c, aix-thread.c, alpha-nat.c: I18n markup.
	* alphabsd-nat.c, alphanbsd-tdep.c, amd64-linux-nat.c: I18n markup.
	* amd64-tdep.c,	amd64bsd-nat.c, amd64fbsd-nat.c: I18n markup.
	* arch-utils.c, arm-linux-nat.c, arm-tdep.c: I18n markup.
	* armnbsd-nat.c, armnbsd-tdep.c, auxv.c, avr-tdep.c: I18n markup.
	* aix-thread.c (_initialize_aix_thread): Get rid of the
	deprecated_add_show_from_set call.
	* alpha-tdep.c (_initialize_alpha_tdep): Ditto.
	* arm-tdep.c (_initialize_arm_tdep): Ditto.
	* command.h (add_setshow_enum_cmd): Add arguments for returning
	new list elements.
	* cli/cli-decode.c (add_setshow_enum_cmd): Ditto.
	* mips-tdep.c (_initialize_mips_tdep): Modify calls to
	add_setshow_enum_cmd.
2005-01-05 15:43:50 +00:00

118 lines
3.7 KiB
C

/* Target-specific functions for ARM running under NetBSD.
Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "osabi.h"
#include "gdb_string.h"
#include "arm-tdep.h"
#include "nbsd-tdep.h"
#include "solib-svr4.h"
/* Description of the longjmp buffer. */
#define ARM_NBSD_JB_PC 24
#define ARM_NBSD_JB_ELEMENT_SIZE INT_REGISTER_SIZE
/* For compatibility with previous implemenations of GDB on arm/NetBSD,
override the default little-endian breakpoint. */
static const char arm_nbsd_arm_le_breakpoint[] = {0x11, 0x00, 0x00, 0xe6};
static const char arm_nbsd_arm_be_breakpoint[] = {0xe6, 0x00, 0x00, 0x11};
static const char arm_nbsd_thumb_le_breakpoint[] = {0xfe, 0xde};
static const char arm_nbsd_thumb_be_breakpoint[] = {0xde, 0xfe};
static void
arm_netbsd_init_abi_common (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->lowest_pc = 0x8000;
switch (info.byte_order)
{
case BFD_ENDIAN_LITTLE:
tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint;
tdep->thumb_breakpoint = arm_nbsd_thumb_le_breakpoint;
tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint);
tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_le_breakpoint);
break;
case BFD_ENDIAN_BIG:
tdep->arm_breakpoint = arm_nbsd_arm_be_breakpoint;
tdep->thumb_breakpoint = arm_nbsd_thumb_be_breakpoint;
tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_be_breakpoint);
tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_be_breakpoint);
break;
default:
internal_error (__FILE__, __LINE__,
_("arm_gdbarch_init: bad byte order for float format"));
}
tdep->jb_pc = ARM_NBSD_JB_PC;
tdep->jb_elt_size = ARM_NBSD_JB_ELEMENT_SIZE;
}
static void
arm_netbsd_aout_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
arm_netbsd_init_abi_common (info, gdbarch);
tdep->fp_model = ARM_FLOAT_SOFT_FPA;
}
static void
arm_netbsd_elf_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
arm_netbsd_init_abi_common (info, gdbarch);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
nbsd_ilp32_solib_svr4_fetch_link_map_offsets);
tdep->fp_model = ARM_FLOAT_SOFT_VFP;
}
static enum gdb_osabi
arm_netbsd_aout_osabi_sniffer (bfd *abfd)
{
if (strcmp (bfd_get_target (abfd), "a.out-arm-netbsd") == 0)
return GDB_OSABI_NETBSD_AOUT;
return GDB_OSABI_UNKNOWN;
}
void
_initialize_arm_netbsd_tdep (void)
{
gdbarch_register_osabi_sniffer (bfd_arch_arm, bfd_target_aout_flavour,
arm_netbsd_aout_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_NETBSD_AOUT,
arm_netbsd_aout_init_abi);
gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_NETBSD_ELF,
arm_netbsd_elf_init_abi);
}