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/* Target-dependent code for Windows CE running on ARM processors,
for GDB.
Copyright (C) 2007 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "target.h"
#include "gdb_string.h"
#include "arm-tdep.h"
static const char arm_wince_le_breakpoint[] = { 0x10, 0x00, 0x00, 0xe6 };
static const char arm_wince_thumb_le_breakpoint[] = { 0xfe, 0xdf };
/* Description of the longjmp buffer. */
#define ARM_WINCE_JB_ELEMENT_SIZE INT_REGISTER_SIZE
#define ARM_WINCE_JB_PC 21
static void
arm_wince_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->arm_breakpoint = arm_wince_le_breakpoint;
tdep->arm_breakpoint_size = sizeof (arm_wince_le_breakpoint);
tdep->thumb_breakpoint = arm_wince_thumb_le_breakpoint;
tdep->thumb_breakpoint_size = sizeof (arm_wince_thumb_le_breakpoint);
tdep->struct_return = pcc_struct_return;
tdep->fp_model = ARM_FLOAT_SOFT_VFP;
tdep->jb_pc = ARM_WINCE_JB_PC;
tdep->jb_elt_size = ARM_WINCE_JB_ELEMENT_SIZE;
/* On ARM WinCE char defaults to signed. */
set_gdbarch_char_signed (gdbarch, 1);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
/* Shared library handling. */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
/* Single stepping. */
set_gdbarch_software_single_step (gdbarch, arm_software_single_step);
}
static enum gdb_osabi
arm_wince_osabi_sniffer (bfd *abfd)
{
const char *target_name = bfd_get_target (abfd);
if (strcmp (target_name, "pei-arm-wince-little") == 0)
return GDB_OSABI_WINCE;
return GDB_OSABI_UNKNOWN;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_arm_wince_tdep (void);
void
_initialize_arm_wince_tdep (void)
{
gdbarch_register_osabi_sniffer (bfd_arch_arm, bfd_target_coff_flavour,
arm_wince_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_WINCE,
arm_wince_init_abi);
}
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