components/nacl/renderer/sandbox_arch.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/logging.h"
   6 #if defined(OS_WIN)
   7 #include "base/win/windows_version.h"
   8 #endif
   9
  10 namespace nacl {
  11
  12 const char* GetSandboxArch() {
  13 #if defined(ARCH_CPU_ARM_FAMILY)
  14   return "arm";
  15 #elif defined(ARCH_CPU_MIPS_FAMILY)
  16   return "mips32";
  17 #elif defined(ARCH_CPU_X86_FAMILY)
  18
  19 #if defined(OS_WIN)
  20   // We have to check the host architecture on Windows.
  21   // See sandbox_isa.h for an explanation why.
  22   if (base::win::OSInfo::GetInstance()->architecture() ==
  23       base::win::OSInfo::X64_ARCHITECTURE)
  24     return "x86-64";
  25   else
  26     return "x86-32";
  27 #elif ARCH_CPU_64_BITS
  28   return "x86-64";
  29 #else
  30   return "x86-32";
  31 #endif  // defined(OS_WIN)
  32
  33 #else
  34 #error Architecture not supported.
  35 #endif
  36 }
  37
  38 }  // namespace nacl