1 /* Target-dependent code for Windows CE running on ARM processors,
4 Copyright (C) 2007 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
25 #include "solib-svr4.h"
28 #include "gdb_string.h"
32 static const char arm_wince_le_breakpoint
[] = { 0x10, 0x00, 0x00, 0xe6 };
33 static const char arm_wince_thumb_le_breakpoint
[] = { 0xfe, 0xdf };
35 /* Description of the longjmp buffer. */
36 #define ARM_WINCE_JB_ELEMENT_SIZE INT_REGISTER_SIZE
37 #define ARM_WINCE_JB_PC 21
40 arm_wince_init_abi (struct gdbarch_info info
, struct gdbarch
*gdbarch
)
42 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
44 tdep
->arm_breakpoint
= arm_wince_le_breakpoint
;
45 tdep
->arm_breakpoint_size
= sizeof (arm_wince_le_breakpoint
);
46 tdep
->thumb_breakpoint
= arm_wince_thumb_le_breakpoint
;
47 tdep
->thumb_breakpoint_size
= sizeof (arm_wince_thumb_le_breakpoint
);
48 tdep
->struct_return
= pcc_struct_return
;
50 tdep
->fp_model
= ARM_FLOAT_SOFT_VFP
;
52 tdep
->jb_pc
= ARM_WINCE_JB_PC
;
53 tdep
->jb_elt_size
= ARM_WINCE_JB_ELEMENT_SIZE
;
55 /* On ARM WinCE char defaults to signed. */
56 set_gdbarch_char_signed (gdbarch
, 1);
58 set_solib_svr4_fetch_link_map_offsets
59 (gdbarch
, svr4_ilp32_fetch_link_map_offsets
);
61 /* Shared library handling. */
62 set_gdbarch_skip_trampoline_code (gdbarch
, find_solib_trampoline_target
);
64 /* Single stepping. */
65 set_gdbarch_software_single_step (gdbarch
, arm_software_single_step
);
69 arm_wince_osabi_sniffer (bfd
*abfd
)
71 const char *target_name
= bfd_get_target (abfd
);
73 if (strcmp (target_name
, "pei-arm-wince-little") == 0)
74 return GDB_OSABI_WINCE
;
76 return GDB_OSABI_UNKNOWN
;
79 /* Provide a prototype to silence -Wmissing-prototypes. */
80 void _initialize_arm_wince_tdep (void);
83 _initialize_arm_wince_tdep (void)
85 gdbarch_register_osabi_sniffer (bfd_arch_arm
, bfd_target_coff_flavour
,
86 arm_wince_osabi_sniffer
);
88 gdbarch_register_osabi (bfd_arch_arm
, 0, GDB_OSABI_WINCE
,