GDB (API): /home/stan/gdb/src/gdb/i386-windows-nat.c Source File

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00001 /* Copyright (C) 2008-2013 Free Software Foundation, Inc.
00002 
00003    This file is part of GDB.
00004 
00005    This program is free software; you can redistribute it and/or modify
00006    it under the terms of the GNU General Public License as published by
00007    the Free Software Foundation; either version 3 of the License, or
00008    (at your option) any later version.
00009 
00010    This program is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013    GNU General Public License for more details.
00014 
00015    You should have received a copy of the GNU General Public License
00016    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
00017 
00018 #include "defs.h"
00019 #include "windows-nat.h"
00020 #include "i386-nat.h"
00021 #include "i386-tdep.h"
00022 
00023 #include <windows.h>
00024 
00025 #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
00026 static const int mappings[] =
00027 {
00028   context_offset (Eax),
00029   context_offset (Ecx),
00030   context_offset (Edx),
00031   context_offset (Ebx),
00032   context_offset (Esp),
00033   context_offset (Ebp),
00034   context_offset (Esi),
00035   context_offset (Edi),
00036   context_offset (Eip),
00037   context_offset (EFlags),
00038   context_offset (SegCs),
00039   context_offset (SegSs),
00040   context_offset (SegDs),
00041   context_offset (SegEs),
00042   context_offset (SegFs),
00043   context_offset (SegGs),
00044   context_offset (FloatSave.RegisterArea[0 * 10]),
00045   context_offset (FloatSave.RegisterArea[1 * 10]),
00046   context_offset (FloatSave.RegisterArea[2 * 10]),
00047   context_offset (FloatSave.RegisterArea[3 * 10]),
00048   context_offset (FloatSave.RegisterArea[4 * 10]),
00049   context_offset (FloatSave.RegisterArea[5 * 10]),
00050   context_offset (FloatSave.RegisterArea[6 * 10]),
00051   context_offset (FloatSave.RegisterArea[7 * 10]),
00052   context_offset (FloatSave.ControlWord),
00053   context_offset (FloatSave.StatusWord),
00054   context_offset (FloatSave.TagWord),
00055   context_offset (FloatSave.ErrorSelector),
00056   context_offset (FloatSave.ErrorOffset),
00057   context_offset (FloatSave.DataSelector),
00058   context_offset (FloatSave.DataOffset),
00059   context_offset (FloatSave.ErrorSelector)
00060   /* XMM0-7 */ ,
00061   context_offset (ExtendedRegisters[10*16]),
00062   context_offset (ExtendedRegisters[11*16]),
00063   context_offset (ExtendedRegisters[12*16]),
00064   context_offset (ExtendedRegisters[13*16]),
00065   context_offset (ExtendedRegisters[14*16]),
00066   context_offset (ExtendedRegisters[15*16]),
00067   context_offset (ExtendedRegisters[16*16]),
00068   context_offset (ExtendedRegisters[17*16]),
00069   /* MXCSR */
00070   context_offset (ExtendedRegisters[24])
00071 };
00072 #undef context_offset
00073 
00074 /* segment_register_p_ftype implementation for x86.  */
00075 
00076 static int
00077 i386_windows_segment_register_p (int regnum)
00078 {
00079   return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM;
00080 }
00081 
00082 /* -Wmissing-prototypes */
00083 extern initialize_file_ftype _initialize_i386_windows_nat;
00084 
00085 void
00086 _initialize_i386_windows_nat (void)
00087 {
00088   windows_set_context_register_offsets (mappings);
00089   windows_set_segment_register_p (i386_windows_segment_register_p);
00090   i386_set_debug_register_length (4);
00091 }