gdb/arch/amd64.c

   1 /* Copyright (C) 2017-2021 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 "amd64.h"
  20 #include "gdbsupport/x86-xstate.h"
  21 #include <stdlib.h>
  22
  23 #include "../features/i386/64bit-avx.c"
  24 #include "../features/i386/64bit-avx512.c"
  25 #include "../features/i386/64bit-core.c"
  26 #include "../features/i386/64bit-linux.c"
  27 #include "../features/i386/64bit-mpx.c"
  28 #include "../features/i386/64bit-pkeys.c"
  29 #include "../features/i386/64bit-segments.c"
  30 #include "../features/i386/64bit-sse.c"
  31
  32 #include "../features/i386/x32-core.c"
  33
  34 /* Create amd64 target descriptions according to XCR0.  If IS_X32 is
  35    true, create the x32 ones.  If IS_LINUX is true, create target
  36    descriptions for Linux.  If SEGMENTS is true, then include
  37    the "org.gnu.gdb.i386.segments" feature registers.  */
  38
  39 target_desc *
  40 amd64_create_target_description (uint64_t xcr0, bool is_x32, bool is_linux,
  41                                  bool segments)
  42 {
  43   target_desc_up tdesc = allocate_target_description ();
  44
  45 #ifndef IN_PROCESS_AGENT
  46   set_tdesc_architecture (tdesc.get (),
  47                           is_x32 ? "i386:x64-32" : "i386:x86-64");
  48
  49   if (is_linux)
  50     set_tdesc_osabi (tdesc.get (), "GNU/Linux");
  51 #endif
  52
  53   long regnum = 0;
  54
  55   if (is_x32)
  56     regnum = create_feature_i386_x32_core (tdesc.get (), regnum);
  57   else
  58     regnum = create_feature_i386_64bit_core (tdesc.get (), regnum);
  59
  60   regnum = create_feature_i386_64bit_sse (tdesc.get (), regnum);
  61   if (is_linux)
  62     regnum = create_feature_i386_64bit_linux (tdesc.get (), regnum);
  63   if (segments)
  64     regnum = create_feature_i386_64bit_segments (tdesc.get (), regnum);
  65
  66   if (xcr0 & X86_XSTATE_AVX)
  67     regnum = create_feature_i386_64bit_avx (tdesc.get (), regnum);
  68
  69   if ((xcr0 & X86_XSTATE_MPX) && !is_x32)
  70     regnum = create_feature_i386_64bit_mpx (tdesc.get (), regnum);
  71
  72   if (xcr0 & X86_XSTATE_AVX512)
  73     regnum = create_feature_i386_64bit_avx512 (tdesc.get (), regnum);
  74
  75   if ((xcr0 & X86_XSTATE_PKRU) && !is_x32)
  76     regnum = create_feature_i386_64bit_pkeys (tdesc.get (), regnum);
  77
  78   return tdesc.release ();
  79 }