gdb/amd64-windows-nat.c

   1 /* Copyright (C) 2008-2019 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 "amd64-tdep.h"
  22
  23 #include <windows.h>
  24
  25 #define context_offset(x) (offsetof (CONTEXT, x))
  26 static const int mappings[] =
  27 {
  28   context_offset (Rax),
  29   context_offset (Rbx),
  30   context_offset (Rcx),
  31   context_offset (Rdx),
  32   context_offset (Rsi),
  33   context_offset (Rdi),
  34   context_offset (Rbp),
  35   context_offset (Rsp),
  36   context_offset (R8),
  37   context_offset (R9),
  38   context_offset (R10),
  39   context_offset (R11),
  40   context_offset (R12),
  41   context_offset (R13),
  42   context_offset (R14),
  43   context_offset (R15),
  44   context_offset (Rip),
  45   context_offset (EFlags),
  46   context_offset (SegCs),
  47   context_offset (SegSs),
  48   context_offset (SegDs),
  49   context_offset (SegEs),
  50   context_offset (SegFs),
  51   context_offset (SegGs),
  52   context_offset (FloatSave.FloatRegisters[0]),
  53   context_offset (FloatSave.FloatRegisters[1]),
  54   context_offset (FloatSave.FloatRegisters[2]),
  55   context_offset (FloatSave.FloatRegisters[3]),
  56   context_offset (FloatSave.FloatRegisters[4]),
  57   context_offset (FloatSave.FloatRegisters[5]),
  58   context_offset (FloatSave.FloatRegisters[6]),
  59   context_offset (FloatSave.FloatRegisters[7]),
  60   context_offset (FloatSave.ControlWord),
  61   context_offset (FloatSave.StatusWord),
  62   context_offset (FloatSave.TagWord),
  63   context_offset (FloatSave.ErrorSelector),
  64   context_offset (FloatSave.ErrorOffset),
  65   context_offset (FloatSave.DataSelector),
  66   context_offset (FloatSave.DataOffset),
  67   context_offset (FloatSave.ErrorSelector)
  68   /* XMM0-7 */ ,
  69   context_offset (Xmm0),
  70   context_offset (Xmm1),
  71   context_offset (Xmm2),
  72   context_offset (Xmm3),
  73   context_offset (Xmm4),
  74   context_offset (Xmm5),
  75   context_offset (Xmm6),
  76   context_offset (Xmm7),
  77   context_offset (Xmm8),
  78   context_offset (Xmm9),
  79   context_offset (Xmm10),
  80   context_offset (Xmm11),
  81   context_offset (Xmm12),
  82   context_offset (Xmm13),
  83   context_offset (Xmm14),
  84   context_offset (Xmm15),
  85   /* MXCSR */
  86   context_offset (FloatSave.MxCsr)
  87 };
  88 #undef context_offset
  89
  90 /* segment_register_p_ftype implementation for amd64.  */
  91
  92 static int
  93 amd64_windows_segment_register_p (int regnum)
  94 {
  95   return regnum >= AMD64_CS_REGNUM && regnum <= AMD64_GS_REGNUM;
  96 }
  97
  98 void
  99 _initialize_amd64_windows_nat (void)
 100 {
 101   windows_set_context_register_offsets (mappings);
 102   windows_set_segment_register_p (amd64_windows_segment_register_p);
 103   x86_set_debug_register_length (8);
 104 }