The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xpcom/base/nsMacUtilsImpl.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,139 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsMacUtilsImpl.h"
    1.10 +
    1.11 +#include <CoreFoundation/CoreFoundation.h>
    1.12 +
    1.13 +NS_IMPL_ISUPPORTS(nsMacUtilsImpl, nsIMacUtils)
    1.14 +
    1.15 +nsresult nsMacUtilsImpl::GetArchString(nsAString& archString)
    1.16 +{
    1.17 +  if (!mBinaryArchs.IsEmpty()) {
    1.18 +    archString.Assign(mBinaryArchs);
    1.19 +    return NS_OK;
    1.20 +  }
    1.21 +
    1.22 +  archString.Truncate();
    1.23 +
    1.24 +  bool foundPPC = false,
    1.25 +         foundX86 = false,
    1.26 +         foundPPC64 = false,
    1.27 +         foundX86_64 = false;
    1.28 +
    1.29 +  CFBundleRef mainBundle = ::CFBundleGetMainBundle();
    1.30 +  if (!mainBundle) {
    1.31 +    return NS_ERROR_FAILURE;
    1.32 +  }
    1.33 +
    1.34 +  CFArrayRef archList = ::CFBundleCopyExecutableArchitectures(mainBundle);
    1.35 +  if (!archList) {
    1.36 +    return NS_ERROR_FAILURE;
    1.37 +  }
    1.38 +
    1.39 +  CFIndex archCount = ::CFArrayGetCount(archList);
    1.40 +  for (CFIndex i = 0; i < archCount; i++) {
    1.41 +    CFNumberRef arch = static_cast<CFNumberRef>(::CFArrayGetValueAtIndex(archList, i));
    1.42 +
    1.43 +    int archInt = 0;
    1.44 +    if (!::CFNumberGetValue(arch, kCFNumberIntType, &archInt)) {
    1.45 +      ::CFRelease(archList);
    1.46 +      return NS_ERROR_FAILURE;
    1.47 +    }
    1.48 +
    1.49 +    if (archInt == kCFBundleExecutableArchitecturePPC)
    1.50 +      foundPPC = true;
    1.51 +    else if (archInt == kCFBundleExecutableArchitectureI386)
    1.52 +      foundX86 = true;
    1.53 +    else if (archInt == kCFBundleExecutableArchitecturePPC64)
    1.54 +      foundPPC64 = true;
    1.55 +    else if (archInt == kCFBundleExecutableArchitectureX86_64)
    1.56 +      foundX86_64 = true;
    1.57 +  }
    1.58 +
    1.59 +  ::CFRelease(archList);
    1.60 +
    1.61 +  // The order in the string must always be the same so
    1.62 +  // don't do this in the loop.
    1.63 +  if (foundPPC) {
    1.64 +    mBinaryArchs.Append(NS_LITERAL_STRING("ppc"));
    1.65 +  }
    1.66 +
    1.67 +  if (foundX86) {
    1.68 +    if (!mBinaryArchs.IsEmpty()) {
    1.69 +      mBinaryArchs.Append(NS_LITERAL_STRING("-"));
    1.70 +    }
    1.71 +    mBinaryArchs.Append(NS_LITERAL_STRING("i386"));
    1.72 +  }
    1.73 +
    1.74 +  if (foundPPC64) {
    1.75 +    if (!mBinaryArchs.IsEmpty()) {
    1.76 +      mBinaryArchs.Append(NS_LITERAL_STRING("-"));
    1.77 +    }
    1.78 +    mBinaryArchs.Append(NS_LITERAL_STRING("ppc64"));
    1.79 +  }
    1.80 +
    1.81 +  if (foundX86_64) {
    1.82 +    if (!mBinaryArchs.IsEmpty()) {
    1.83 +      mBinaryArchs.Append(NS_LITERAL_STRING("-"));
    1.84 +    }
    1.85 +    mBinaryArchs.Append(NS_LITERAL_STRING("x86_64"));
    1.86 +  }
    1.87 +
    1.88 +  archString.Assign(mBinaryArchs);
    1.89 +
    1.90 +  return (archString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK);
    1.91 +}
    1.92 +
    1.93 +NS_IMETHODIMP nsMacUtilsImpl::GetIsUniversalBinary(bool *aIsUniversalBinary)
    1.94 +{
    1.95 +  if (NS_WARN_IF(!aIsUniversalBinary))
    1.96 +    return NS_ERROR_INVALID_ARG;
    1.97 +  *aIsUniversalBinary = false;
    1.98 +
    1.99 +  nsAutoString archString;
   1.100 +  nsresult rv = GetArchString(archString);
   1.101 +  if (NS_FAILED(rv))
   1.102 +    return rv;
   1.103 +
   1.104 +  // The delimiter char in the arch string is '-', so if that character
   1.105 +  // is in the string we know we have multiple architectures.
   1.106 +  *aIsUniversalBinary = (archString.Find("-") > -1);
   1.107 +
   1.108 +  return NS_OK;
   1.109 +}
   1.110 +
   1.111 +NS_IMETHODIMP nsMacUtilsImpl::GetArchitecturesInBinary(nsAString& archString)
   1.112 +{
   1.113 +  return GetArchString(archString);
   1.114 +}
   1.115 +
   1.116 +/* readonly attribute boolean isTranslated; */
   1.117 +// True when running under binary translation (Rosetta).
   1.118 +NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(bool *aIsTranslated)
   1.119 +{
   1.120 +#ifdef __ppc__
   1.121 +  static bool    sInitialized = false;
   1.122 +
   1.123 +  // Initialize sIsNative to 1.  If the sysctl fails because it doesn't
   1.124 +  // exist, then translation is not possible, so the process must not be
   1.125 +  // running translated.
   1.126 +  static int32_t sIsNative = 1;
   1.127 +
   1.128 +  if (!sInitialized) {
   1.129 +    size_t sz = sizeof(sIsNative);
   1.130 +    sysctlbyname("sysctl.proc_native", &sIsNative, &sz, nullptr, 0);
   1.131 +    sInitialized = true;
   1.132 +  }
   1.133 +
   1.134 +  *aIsTranslated = !sIsNative;
   1.135 +#else
   1.136 +  // Translation only exists for ppc code.  Other architectures aren't
   1.137 +  // translated.
   1.138 +  *aIsTranslated = false;
   1.139 +#endif
   1.140 +
   1.141 +  return NS_OK;
   1.142 +}