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,