gdb/arch/i386.c

   1 /* Copyright (C) 2017-2020 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 "gdbsupport/common-defs.h"
  19 #include "i386.h"
  20 #include "gdbsupport/tdesc.h"
  21 #include "gdbsupport/x86-xstate.h"
  22 #include <stdlib.h>
  23
  24 #include "../features/i386/32bit-core.c"
  25 #include "../features/i386/32bit-linux.c"
  26 #include "../features/i386/32bit-sse.c"
  27 #include "../features/i386/32bit-avx.c"
  28 #include "../features/i386/32bit-avx512.c"
  29 #include "../features/i386/32bit-mpx.c"
  30 #include "../features/i386/32bit-pkeys.c"
  31 #include "../features/i386/32bit-segments.c"
  32
  33 /* Create i386 target descriptions according to XCR0.  */
  34
  35 target_desc *
  36 i386_create_target_description (uint64_t xcr0, bool is_linux, bool segments)
  37 {
  38   target_desc *tdesc = allocate_target_description ();
  39
  40 #ifndef IN_PROCESS_AGENT
  41   set_tdesc_architecture (tdesc, "i386");
  42   if (is_linux)
  43     set_tdesc_osabi (tdesc, "GNU/Linux");
  44 #endif
  45
  46   long regnum = 0;
  47
  48   if (xcr0 & X86_XSTATE_X87)
  49     regnum = create_feature_i386_32bit_core (tdesc, regnum);
  50
  51   if (xcr0 & X86_XSTATE_SSE)
  52     regnum = create_feature_i386_32bit_sse (tdesc, regnum);
  53
  54   if (is_linux)
  55     regnum = create_feature_i386_32bit_linux (tdesc, regnum);
  56
  57   if (segments)
  58     regnum = create_feature_i386_32bit_segments (tdesc, regnum);
  59
  60   if (xcr0 & X86_XSTATE_AVX)
  61     regnum = create_feature_i386_32bit_avx (tdesc, regnum);
  62
  63   if (xcr0 & X86_XSTATE_MPX)
  64     regnum = create_feature_i386_32bit_mpx (tdesc, regnum);
  65
  66   if (xcr0 & X86_XSTATE_AVX512)
  67     regnum = create_feature_i386_32bit_avx512 (tdesc, regnum);
  68
  69   if (xcr0 & X86_XSTATE_PKRU)
  70     regnum = create_feature_i386_32bit_pkeys (tdesc, regnum);
  71
  72   return tdesc;
  73 }