1 /* Copyright (C) 2008-2024 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 "windows-nat.h" 19 #include "x86-nat.h" 20 #include "i386-tdep.h" 21 22 #include <windows.h> 23 24 #ifdef __x86_64__ 25 #define CONTEXT WOW64_CONTEXT 26 #endif 27 #define context_offset(x) ((int)(size_t)&(((CONTEXT *)NULL)->x)) 28 const int i386_mappings[] = 29 { 30 context_offset (Eax), 31 context_offset (Ecx), 32 context_offset (Edx), 33 context_offset (Ebx), 34 context_offset (Esp), 35 context_offset (Ebp), 36 context_offset (Esi), 37 context_offset (Edi), 38 context_offset (Eip), 39 context_offset (EFlags), 40 context_offset (SegCs), 41 context_offset (SegSs), 42 context_offset (SegDs), 43 context_offset (SegEs), 44 context_offset (SegFs), 45 context_offset (SegGs), 46 context_offset (FloatSave.RegisterArea[0 * 10]), 47 context_offset (FloatSave.RegisterArea[1 * 10]), 48 context_offset (FloatSave.RegisterArea[2 * 10]), 49 context_offset (FloatSave.RegisterArea[3 * 10]), 50 context_offset (FloatSave.RegisterArea[4 * 10]), 51 context_offset (FloatSave.RegisterArea[5 * 10]), 52 context_offset (FloatSave.RegisterArea[6 * 10]), 53 context_offset (FloatSave.RegisterArea[7 * 10]), 54 context_offset (FloatSave.ControlWord), 55 context_offset (FloatSave.StatusWord), 56 context_offset (FloatSave.TagWord), 57 context_offset (FloatSave.ErrorSelector), 58 context_offset (FloatSave.ErrorOffset), 59 context_offset (FloatSave.DataSelector), 60 context_offset (FloatSave.DataOffset), 61 context_offset (FloatSave.ErrorSelector) 62 /* XMM0-7 */ , 63 context_offset (ExtendedRegisters[10*16]), 64 context_offset (ExtendedRegisters[11*16]), 65 context_offset (ExtendedRegisters[12*16]), 66 context_offset (ExtendedRegisters[13*16]), 67 context_offset (ExtendedRegisters[14*16]), 68 context_offset (ExtendedRegisters[15*16]), 69 context_offset (ExtendedRegisters[16*16]), 70 context_offset (ExtendedRegisters[17*16]), 71 /* MXCSR */ 72 context_offset (ExtendedRegisters[24]) 73 }; 74 #undef context_offset 75 #undef CONTEXT 76 77 /* segment_register_p_ftype implementation for x86. */ 78 79 int 80 i386_windows_segment_register_p (int regnum) 81 { 82 return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM; 83 } 84 85 void _initialize_i386_windows_nat (); 86 void 87 _initialize_i386_windows_nat () 88 { 89 #ifndef __x86_64__ 90 x86_set_debug_register_length (4); 91 #endif 92 } 93