gdb/gdbserver/linux-x86-tdesc.h

   1 /* Low level support for x86 (i386 and x86-64), shared between gdbserver
   2    and IPA.
   3
   4    Copyright (C) 2016-2018 Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /* Note: since IPA obviously knows what ABI it's running on (i386 vs x86_64
  22    vs x32), it's sufficient to pass only the register set here.  This,
  23    together with the ABI known at IPA compile time, maps to a tdesc.  */
  24
  25 enum x86_linux_tdesc {
  26   X86_TDESC_MMX = 0,
  27   X86_TDESC_SSE = 1,
  28   X86_TDESC_AVX = 2,
  29   X86_TDESC_MPX = 3,
  30   X86_TDESC_AVX_MPX = 4,
  31   X86_TDESC_AVX_AVX512 = 5,
  32   X86_TDESC_AVX_MPX_AVX512_PKU = 6,
  33   X86_TDESC_LAST = 7,
  34 };
  35
  36 #if defined __i386__ || !defined IN_PROCESS_AGENT
  37 int i386_get_ipa_tdesc_idx (const struct target_desc *tdesc);
  38 #endif
  39
  40 #if defined __x86_64__ && !defined IN_PROCESS_AGENT
  41 int amd64_get_ipa_tdesc_idx (const struct target_desc *tdesc);
  42 #endif
  43
  44 const struct target_desc *i386_get_ipa_tdesc (int idx);
  45
  46 #ifdef __x86_64__
  47 const struct target_desc *amd64_linux_read_description (uint64_t xcr0,
  48                                                         bool is_x32);
  49 #endif
  50
  51 const struct target_desc *i386_linux_read_description (uint64_t xcr0);
  52
  53 void initialize_low_tdesc ();