coregrind/pub_core_cpuid.h

   1
   2 /*--------------------------------------------------------------------*/
   3 /*--- Interface to CPUID.                         pub_core_cpuid.h ---*/
   4 /*--------------------------------------------------------------------*/
   5
   6 /*
   7    This file is part of Valgrind, a dynamic binary instrumentation
   8    framework.
   9
  10    Copyright (C) 2000-2017 Julian Seward
  11       jseward@acm.org
  12
  13    This program is free software; you can redistribute it and/or
  14    modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation; either version 2 of the
  16    License, or (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful, but
  19    WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21    General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, see <http://www.gnu.org/licenses/>.
  25
  26    The GNU General Public License is contained in the file COPYING.
  27 */
  28
  29 #ifndef __PUB_CORE_CPUID_H
  30 #define __PUB_CORE_CPUID_H
  31
  32 #include "pub_core_basics.h"      // VG_ macro
  33
  34 //--------------------------------------------------------------------
  35 // PURPOSE: This module provides Valgrind's interface to the x86/amd64
  36 // CPUID instruction.
  37 //--------------------------------------------------------------------
  38
  39 #if defined(VGA_x86) || defined(VGA_amd64)
  40 extern Bool VG_(has_cpuid) ( void );
  41
  42 extern void VG_(cpuid) ( UInt eax, UInt ecx,
  43                          UInt* eax_ret, UInt* ebx_ret,
  44                          UInt* ecx_ret, UInt* edx_ret );
  45 #endif
  46
  47 #endif   // __PUB_CORE_CPUID_H
  48
  49 /*--------------------------------------------------------------------*/
  50 /*--- end                                                          ---*/
  51 /*--------------------------------------------------------------------*/