mono/utils/mono-hwcap-sparc.c

   1 /**
   2  * \file
   3  * SPARC hardware feature detection
   4  *
   5  * Authors:
   6  *    Alex Rønne Petersen (alexrp@xamarin.com)
   7  *    Elijah Taylor (elijahtaylor@google.com)
   8  *    Miguel de Icaza (miguel@xamarin.com)
   9  *    Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com)
  10  *    Paolo Molaro (lupus@xamarin.com)
  11  *    Rodrigo Kumpera (kumpera@gmail.com)
  12  *    Sebastien Pouliot (sebastien@xamarin.com)
  13  *    Zoltan Varga (vargaz@xamarin.com)
  14  *
  15  * Copyright 2003 Ximian, Inc.
  16  * Copyright 2003-2011 Novell, Inc
  17  * Copyright 2006 Broadcom
  18  * Copyright 2007-2008 Andreas Faerber
  19  * Copyright 2011-2013 Xamarin Inc
  20  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  21  */
  22
  23 #include "mono/utils/mono-hwcap.h"
  24
  25 #include <string.h>
  26 #if !defined(__linux__)
  27 #include <sys/systeminfo.h>
  28 #else
  29 #include <unistd.h>
  30 #endif
  31
  32 void
  33 mono_hwcap_arch_init (void)
  34 {
  35         char buf [1024];
  36
  37 #if !defined(__linux__)
  38         g_assert (sysinfo (SI_ISALIST, buf, 1024));
  39 #else
  40         /* If the page size is 8192, we're on a 64-bit SPARC, which
  41          * in turn means a v9 or better.
  42          */
  43         if (getpagesize () == 8192)
  44                 strcpy (buf, "sparcv9");
  45         else
  46                 strcpy (buf, "sparcv8");
  47 #endif
  48
  49         mono_hwcap_sparc_is_v9 = strstr (buf, "sparcv9");
  50 }