d40dc7a8d8
This patch makes sure that the value of segment registers are
read properly as 16bit values on Windows.
gdb/ChangeLog:
* windows-nat.h (segment_register_p_ftype): New typedef.
(windows_set_segment_register_p): Add declaration.
* windows-nat.c (segment_register_p): New static global.
(windows_set_segment_register_p): New function.
(do_windows_fetch_inferior_registers): Add special handling
for segment registers.
* amd64-windows-nat.c: #include "amd64-tdep.h".
(amd64_windows_segment_register_p): New function.
(_initialize_amd64_windows_nat): Call windows_set_segment_register_p.
* i386-windows-nat.c: #include "i386-tdep.h".
(i386_windows_segment_register_p): New function.
(_initialize_i386_windows_nat): Call windows_set_segment_register_p.
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/* Copyright (C) 2008-2012 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "windows-nat.h"
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#include "i386-nat.h"
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#include "i386-tdep.h"
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#include <windows.h>
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#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
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static const int mappings[] =
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{
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context_offset (Eax),
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context_offset (Ecx),
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context_offset (Edx),
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context_offset (Ebx),
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context_offset (Esp),
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context_offset (Ebp),
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context_offset (Esi),
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context_offset (Edi),
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context_offset (Eip),
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context_offset (EFlags),
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context_offset (SegCs),
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context_offset (SegSs),
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context_offset (SegDs),
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context_offset (SegEs),
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context_offset (SegFs),
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context_offset (SegGs),
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context_offset (FloatSave.RegisterArea[0 * 10]),
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context_offset (FloatSave.RegisterArea[1 * 10]),
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context_offset (FloatSave.RegisterArea[2 * 10]),
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context_offset (FloatSave.RegisterArea[3 * 10]),
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context_offset (FloatSave.RegisterArea[4 * 10]),
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context_offset (FloatSave.RegisterArea[5 * 10]),
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context_offset (FloatSave.RegisterArea[6 * 10]),
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context_offset (FloatSave.RegisterArea[7 * 10]),
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context_offset (FloatSave.ControlWord),
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context_offset (FloatSave.StatusWord),
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context_offset (FloatSave.TagWord),
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context_offset (FloatSave.ErrorSelector),
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context_offset (FloatSave.ErrorOffset),
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context_offset (FloatSave.DataSelector),
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context_offset (FloatSave.DataOffset),
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context_offset (FloatSave.ErrorSelector)
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/* XMM0-7 */ ,
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context_offset (ExtendedRegisters[10*16]),
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context_offset (ExtendedRegisters[11*16]),
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context_offset (ExtendedRegisters[12*16]),
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context_offset (ExtendedRegisters[13*16]),
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context_offset (ExtendedRegisters[14*16]),
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context_offset (ExtendedRegisters[15*16]),
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context_offset (ExtendedRegisters[16*16]),
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context_offset (ExtendedRegisters[17*16]),
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/* MXCSR */
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context_offset (ExtendedRegisters[24])
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};
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#undef context_offset
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/* segment_register_p_ftype implementation for x86. */
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static int
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i386_windows_segment_register_p (int regnum)
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{
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return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM;
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}
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/* -Wmissing-prototypes */
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extern initialize_file_ftype _initialize_i386_windows_nat;
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void
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_initialize_i386_windows_nat (void)
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{
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windows_set_context_register_offsets (mappings);
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windows_set_segment_register_p (i386_windows_segment_register_p);
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i386_set_debug_register_length (4);
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}
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