projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 68070c10 PA |
1 | /* Target-dependent code for Windows CE running on ARM processors, |
| 2 | for GDB. | |
| 3 | ||
| 4 | Copyright (C) 2007 Free Software Foundation, Inc. | |
| 5 | ||
| 6 | This file is part of GDB. | |
| 7 | ||
| 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. | |
| 12 | ||
| 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. | |
| 17 | ||
| 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. */ | |
| 22 | ||
| 23 | #include "defs.h" | |
| 24 | #include "osabi.h" | |
| 25 | #include "solib-svr4.h" | |
| 26 | #include "target.h" | |
| 27 | ||
| 28 | #include "gdb_string.h" | |
| 29 | ||
| 30 | #include "arm-tdep.h" | |
| 31 | ||
| 32 | static const char arm_wince_le_breakpoint[] = { 0x10, 0x00, 0x00, 0xe6 }; | |
| 190dce09 | 33 | static const char arm_wince_thumb_le_breakpoint[] = { 0xfe, 0xdf }; |
| 68070c10 PA |
34 | |
| 35 | /* Description of the longjmp buffer. */ | |
| 36 | #define ARM_WINCE_JB_ELEMENT_SIZE INT_REGISTER_SIZE | |
| 37 | #define ARM_WINCE_JB_PC 21 | |
| 38 | ||
| 39 | static void | |
| 40 | arm_wince_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) | |
| 41 | { | |
| 42 | struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); | |
| 43 | ||
| 44 | tdep->arm_breakpoint = arm_wince_le_breakpoint; | |
| 45 | tdep->arm_breakpoint_size = sizeof (arm_wince_le_breakpoint); | |
| 190dce09 UW |
46 | tdep->thumb_breakpoint = arm_wince_thumb_le_breakpoint; |
| 47 | tdep->thumb_breakpoint_size = sizeof (arm_wince_thumb_le_breakpoint); | |
| 68070c10 PA |
48 | tdep->struct_return = pcc_struct_return; |
| 49 | ||
| 50 | tdep->fp_model = ARM_FLOAT_SOFT_VFP; | |
| 51 | ||
| 52 | tdep->jb_pc = ARM_WINCE_JB_PC; | |
| 53 | tdep->jb_elt_size = ARM_WINCE_JB_ELEMENT_SIZE; | |
| 54 | ||
| 55 | /* On ARM WinCE char defaults to signed. */ | |
| 56 | set_gdbarch_char_signed (gdbarch, 1); | |
| 57 | ||
| 58 | set_solib_svr4_fetch_link_map_offsets | |
| 59 | (gdbarch, svr4_ilp32_fetch_link_map_offsets); | |
| 60 | ||
| 61 | /* Shared library handling. */ | |
| 62 | set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); | |
| 190dce09 UW |
63 | |
| 64 | /* Single stepping. */ | |
| 65 | set_gdbarch_software_single_step (gdbarch, arm_software_single_step); | |
| 68070c10 PA |
66 | } |
| 67 | ||
| 68 | static enum gdb_osabi | |
| 69 | arm_wince_osabi_sniffer (bfd *abfd) | |
| 70 | { | |
| 71 | const char *target_name = bfd_get_target (abfd); | |
| 72 | ||
| 73 | if (strcmp (target_name, "pei-arm-wince-little") == 0) | |
| 74 | return GDB_OSABI_WINCE; | |
| 75 | ||
| 76 | return GDB_OSABI_UNKNOWN; | |
| 77 | } | |
| 78 | ||
| 79 | /* Provide a prototype to silence -Wmissing-prototypes. */ | |
| 80 | void _initialize_arm_wince_tdep (void); | |
| 81 | ||
| 82 | void | |
| 83 | _initialize_arm_wince_tdep (void) | |
| 84 | { | |
| 85 | gdbarch_register_osabi_sniffer (bfd_arch_arm, bfd_target_coff_flavour, | |
| 86 | arm_wince_osabi_sniffer); | |
| 87 | ||
| 88 | gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_WINCE, | |
| 89 | arm_wince_init_abi); | |
| 90 | } |