The Tor Browser / file comparison
comparison: xpcom/base/nsMacUtilsImpl.cpp
xpcom/base/nsMacUtilsImpl.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:58f67a5e97e2 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsMacUtilsImpl.h" | |
| 7 | |
| 8 #include <CoreFoundation/CoreFoundation.h> | |
| 9 | |
| 10 NS_IMPL_ISUPPORTS(nsMacUtilsImpl, nsIMacUtils) | |
| 11 | |
| 12 nsresult nsMacUtilsImpl::GetArchString(nsAString& archString) | |
| 13 { | |
| 14 if (!mBinaryArchs.IsEmpty()) { | |
| 15 archString.Assign(mBinaryArchs); | |
| 16 return NS_OK; | |
| 17 } | |
| 18 | |
| 19 archString.Truncate(); | |
| 20 | |
| 21 bool foundPPC = false, | |
| 22 foundX86 = false, | |
| 23 foundPPC64 = false, | |
| 24 foundX86_64 = false; | |
| 25 | |
| 26 CFBundleRef mainBundle = ::CFBundleGetMainBundle(); | |
| 27 if (!mainBundle) { | |
| 28 return NS_ERROR_FAILURE; | |
| 29 } | |
| 30 | |
| 31 CFArrayRef archList = ::CFBundleCopyExecutableArchitectures(mainBundle); | |
| 32 if (!archList) { | |
| 33 return NS_ERROR_FAILURE; | |
| 34 } | |
| 35 | |
| 36 CFIndex archCount = ::CFArrayGetCount(archList); | |
| 37 for (CFIndex i = 0; i < archCount; i++) { | |
| 38 CFNumberRef arch = static_cast<CFNumberRef>(::CFArrayGetValueAtIndex(archList, i)); | |
| 39 | |
| 40 int archInt = 0; | |
| 41 if (!::CFNumberGetValue(arch, kCFNumberIntType, &archInt)) { | |
| 42 ::CFRelease(archList); | |
| 43 return NS_ERROR_FAILURE; | |
| 44 } | |
| 45 | |
| 46 if (archInt == kCFBundleExecutableArchitecturePPC) | |
| 47 foundPPC = true; | |
| 48 else if (archInt == kCFBundleExecutableArchitectureI386) | |
| 49 foundX86 = true; | |
| 50 else if (archInt == kCFBundleExecutableArchitecturePPC64) | |
| 51 foundPPC64 = true; | |
| 52 else if (archInt == kCFBundleExecutableArchitectureX86_64) | |
| 53 foundX86_64 = true; | |
| 54 } | |
| 55 | |
| 56 ::CFRelease(archList); | |
| 57 | |
| 58 // The order in the string must always be the same so | |
| 59 // don't do this in the loop. | |
| 60 if (foundPPC) { | |
| 61 mBinaryArchs.Append(NS_LITERAL_STRING("ppc")); | |
| 62 } | |
| 63 | |
| 64 if (foundX86) { | |
| 65 if (!mBinaryArchs.IsEmpty()) { | |
| 66 mBinaryArchs.Append(NS_LITERAL_STRING("-")); | |
| 67 } | |
| 68 mBinaryArchs.Append(NS_LITERAL_STRING("i386")); | |
| 69 } | |
| 70 | |
| 71 if (foundPPC64) { | |
| 72 if (!mBinaryArchs.IsEmpty()) { | |
| 73 mBinaryArchs.Append(NS_LITERAL_STRING("-")); | |
| 74 } | |
| 75 mBinaryArchs.Append(NS_LITERAL_STRING("ppc64")); | |
| 76 } | |
| 77 | |
| 78 if (foundX86_64) { | |
| 79 if (!mBinaryArchs.IsEmpty()) { | |
| 80 mBinaryArchs.Append(NS_LITERAL_STRING("-")); | |
| 81 } | |
| 82 mBinaryArchs.Append(NS_LITERAL_STRING("x86_64")); | |
| 83 } | |
| 84 | |
| 85 archString.Assign(mBinaryArchs); | |
| 86 | |
| 87 return (archString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK); | |
| 88 } | |
| 89 | |
| 90 NS_IMETHODIMP nsMacUtilsImpl::GetIsUniversalBinary(bool *aIsUniversalBinary) | |
| 91 { | |
| 92 if (NS_WARN_IF(!aIsUniversalBinary)) | |
| 93 return NS_ERROR_INVALID_ARG; | |
| 94 *aIsUniversalBinary = false; | |
| 95 | |
| 96 nsAutoString archString; | |
| 97 nsresult rv = GetArchString(archString); | |
| 98 if (NS_FAILED(rv)) | |
| 99 return rv; | |
| 100 | |
| 101 // The delimiter char in the arch string is '-', so if that character | |
| 102 // is in the string we know we have multiple architectures. | |
| 103 *aIsUniversalBinary = (archString.Find("-") > -1); | |
| 104 | |
| 105 return NS_OK; | |
| 106 } | |
| 107 | |
| 108 NS_IMETHODIMP nsMacUtilsImpl::GetArchitecturesInBinary(nsAString& archString) | |
| 109 { | |
| 110 return GetArchString(archString); | |
| 111 } | |
| 112 | |
| 113 /* readonly attribute boolean isTranslated; */ | |
| 114 // True when running under binary translation (Rosetta). | |
| 115 NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(bool *aIsTranslated) | |
| 116 { | |
| 117 #ifdef __ppc__ | |
| 118 static bool sInitialized = false; | |
| 119 | |
| 120 // Initialize sIsNative to 1. If the sysctl fails because it doesn't | |
| 121 // exist, then translation is not possible, so the process must not be | |
| 122 // running translated. | |
| 123 static int32_t sIsNative = 1; | |
| 124 | |
| 125 if (!sInitialized) { | |
| 126 size_t sz = sizeof(sIsNative); | |
| 127 sysctlbyname("sysctl.proc_native", &sIsNative, &sz, nullptr, 0); | |
| 128 sInitialized = true; | |
| 129 } | |
| 130 | |
| 131 *aIsTranslated = !sIsNative; | |
| 132 #else | |
| 133 // Translation only exists for ppc code. Other architectures aren't | |
| 134 // translated. | |
| 135 *aIsTranslated = false; | |
| 136 #endif | |
| 137 | |
| 138 return NS_OK; | |
| 139 } |
