1 /* Copyright (C) 2008-2017 Free Software Foundation, Inc. 2 3 This file is part of GDB. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include "defs.h" 19 #include "windows-nat.h" 20 #include "x86-nat.h" 21 #include "i386-tdep.h" 22 23 #include <windows.h> 24 25 #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x)) 26 static const int mappings[] = 27 { 28 context_offset (Eax), 29 context_offset (Ecx), 30 context_offset (Edx), 31 context_offset (Ebx), 32 context_offset (Esp), 33 context_offset (Ebp), 34 context_offset (Esi), 35 context_offset (Edi), 36 context_offset (Eip), 37 context_offset (EFlags), 38 context_offset (SegCs), 39 context_offset (SegSs), 40 context_offset (SegDs), 41 context_offset (SegEs), 42 context_offset (SegFs), 43 context_offset (SegGs), 44 context_offset (FloatSave.RegisterArea[0 * 10]), 45 context_offset (FloatSave.RegisterArea[1 * 10]), 46 context_offset (FloatSave.RegisterArea[2 * 10]), 47 context_offset (FloatSave.RegisterArea[3 * 10]), 48 context_offset (FloatSave.RegisterArea[4 * 10]), 49 context_offset (FloatSave.RegisterArea[5 * 10]), 50 context_offset (FloatSave.RegisterArea[6 * 10]), 51 context_offset (FloatSave.RegisterArea[7 * 10]), 52 context_offset (FloatSave.ControlWord), 53 context_offset (FloatSave.StatusWord), 54 context_offset (FloatSave.TagWord), 55 context_offset (FloatSave.ErrorSelector), 56 context_offset (FloatSave.ErrorOffset), 57 context_offset (FloatSave.DataSelector), 58 context_offset (FloatSave.DataOffset), 59 context_offset (FloatSave.ErrorSelector) 60 /* XMM0-7 */ , 61 context_offset (ExtendedRegisters[10*16]), 62 context_offset (ExtendedRegisters[11*16]), 63 context_offset (ExtendedRegisters[12*16]), 64 context_offset (ExtendedRegisters[13*16]), 65 context_offset (ExtendedRegisters[14*16]), 66 context_offset (ExtendedRegisters[15*16]), 67 context_offset (ExtendedRegisters[16*16]), 68 context_offset (ExtendedRegisters[17*16]), 69 /* MXCSR */ 70 context_offset (ExtendedRegisters[24]) 71 }; 72 #undef context_offset 73 74 /* segment_register_p_ftype implementation for x86. */ 75 76 static int 77 i386_windows_segment_register_p (int regnum) 78 { 79 return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM; 80 } 81 82 /* -Wmissing-prototypes */ 83 extern initialize_file_ftype _initialize_i386_windows_nat; 84 85 void 86 _initialize_i386_windows_nat (void) 87 { 88 windows_set_context_register_offsets (mappings); 89 windows_set_segment_register_p (i386_windows_segment_register_p); 90 x86_set_debug_register_length (4); 91 } 92