1 /* Copyright (C) 2008-2020 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 #ifdef __x86_64__ 26 #define CONTEXT WOW64_CONTEXT 27 #endif 28 #define context_offset(x) ((int)(size_t)&(((CONTEXT *)NULL)->x)) 29 const int i386_mappings[] = 30 { 31 context_offset (Eax), 32 context_offset (Ecx), 33 context_offset (Edx), 34 context_offset (Ebx), 35 context_offset (Esp), 36 context_offset (Ebp), 37 context_offset (Esi), 38 context_offset (Edi), 39 context_offset (Eip), 40 context_offset (EFlags), 41 context_offset (SegCs), 42 context_offset (SegSs), 43 context_offset (SegDs), 44 context_offset (SegEs), 45 context_offset (SegFs), 46 context_offset (SegGs), 47 context_offset (FloatSave.RegisterArea[0 * 10]), 48 context_offset (FloatSave.RegisterArea[1 * 10]), 49 context_offset (FloatSave.RegisterArea[2 * 10]), 50 context_offset (FloatSave.RegisterArea[3 * 10]), 51 context_offset (FloatSave.RegisterArea[4 * 10]), 52 context_offset (FloatSave.RegisterArea[5 * 10]), 53 context_offset (FloatSave.RegisterArea[6 * 10]), 54 context_offset (FloatSave.RegisterArea[7 * 10]), 55 context_offset (FloatSave.ControlWord), 56 context_offset (FloatSave.StatusWord), 57 context_offset (FloatSave.TagWord), 58 context_offset (FloatSave.ErrorSelector), 59 context_offset (FloatSave.ErrorOffset), 60 context_offset (FloatSave.DataSelector), 61 context_offset (FloatSave.DataOffset), 62 context_offset (FloatSave.ErrorSelector) 63 /* XMM0-7 */ , 64 context_offset (ExtendedRegisters[10*16]), 65 context_offset (ExtendedRegisters[11*16]), 66 context_offset (ExtendedRegisters[12*16]), 67 context_offset (ExtendedRegisters[13*16]), 68 context_offset (ExtendedRegisters[14*16]), 69 context_offset (ExtendedRegisters[15*16]), 70 context_offset (ExtendedRegisters[16*16]), 71 context_offset (ExtendedRegisters[17*16]), 72 /* MXCSR */ 73 context_offset (ExtendedRegisters[24]) 74 }; 75 #undef context_offset 76 #undef CONTEXT 77 78 /* segment_register_p_ftype implementation for x86. */ 79 80 int 81 i386_windows_segment_register_p (int regnum) 82 { 83 return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM; 84 } 85 86 void _initialize_i386_windows_nat (); 87 void 88 _initialize_i386_windows_nat () 89 { 90 #ifndef __x86_64__ 91 x86_set_debug_register_length (4); 92 #endif 93 } 94