michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsMacUtilsImpl.h"
michael@0: 
michael@0: #include <CoreFoundation/CoreFoundation.h>
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsMacUtilsImpl, nsIMacUtils)
michael@0: 
michael@0: nsresult nsMacUtilsImpl::GetArchString(nsAString& archString)
michael@0: {
michael@0:   if (!mBinaryArchs.IsEmpty()) {
michael@0:     archString.Assign(mBinaryArchs);
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   archString.Truncate();
michael@0: 
michael@0:   bool foundPPC = false,
michael@0:          foundX86 = false,
michael@0:          foundPPC64 = false,
michael@0:          foundX86_64 = false;
michael@0: 
michael@0:   CFBundleRef mainBundle = ::CFBundleGetMainBundle();
michael@0:   if (!mainBundle) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   CFArrayRef archList = ::CFBundleCopyExecutableArchitectures(mainBundle);
michael@0:   if (!archList) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   CFIndex archCount = ::CFArrayGetCount(archList);
michael@0:   for (CFIndex i = 0; i < archCount; i++) {
michael@0:     CFNumberRef arch = static_cast<CFNumberRef>(::CFArrayGetValueAtIndex(archList, i));
michael@0: 
michael@0:     int archInt = 0;
michael@0:     if (!::CFNumberGetValue(arch, kCFNumberIntType, &archInt)) {
michael@0:       ::CFRelease(archList);
michael@0:       return NS_ERROR_FAILURE;
michael@0:     }
michael@0: 
michael@0:     if (archInt == kCFBundleExecutableArchitecturePPC)
michael@0:       foundPPC = true;
michael@0:     else if (archInt == kCFBundleExecutableArchitectureI386)
michael@0:       foundX86 = true;
michael@0:     else if (archInt == kCFBundleExecutableArchitecturePPC64)
michael@0:       foundPPC64 = true;
michael@0:     else if (archInt == kCFBundleExecutableArchitectureX86_64)
michael@0:       foundX86_64 = true;
michael@0:   }
michael@0: 
michael@0:   ::CFRelease(archList);
michael@0: 
michael@0:   // The order in the string must always be the same so
michael@0:   // don't do this in the loop.
michael@0:   if (foundPPC) {
michael@0:     mBinaryArchs.Append(NS_LITERAL_STRING("ppc"));
michael@0:   }
michael@0: 
michael@0:   if (foundX86) {
michael@0:     if (!mBinaryArchs.IsEmpty()) {
michael@0:       mBinaryArchs.Append(NS_LITERAL_STRING("-"));
michael@0:     }
michael@0:     mBinaryArchs.Append(NS_LITERAL_STRING("i386"));
michael@0:   }
michael@0: 
michael@0:   if (foundPPC64) {
michael@0:     if (!mBinaryArchs.IsEmpty()) {
michael@0:       mBinaryArchs.Append(NS_LITERAL_STRING("-"));
michael@0:     }
michael@0:     mBinaryArchs.Append(NS_LITERAL_STRING("ppc64"));
michael@0:   }
michael@0: 
michael@0:   if (foundX86_64) {
michael@0:     if (!mBinaryArchs.IsEmpty()) {
michael@0:       mBinaryArchs.Append(NS_LITERAL_STRING("-"));
michael@0:     }
michael@0:     mBinaryArchs.Append(NS_LITERAL_STRING("x86_64"));
michael@0:   }
michael@0: 
michael@0:   archString.Assign(mBinaryArchs);
michael@0: 
michael@0:   return (archString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsMacUtilsImpl::GetIsUniversalBinary(bool *aIsUniversalBinary)
michael@0: {
michael@0:   if (NS_WARN_IF(!aIsUniversalBinary))
michael@0:     return NS_ERROR_INVALID_ARG;
michael@0:   *aIsUniversalBinary = false;
michael@0: 
michael@0:   nsAutoString archString;
michael@0:   nsresult rv = GetArchString(archString);
michael@0:   if (NS_FAILED(rv))
michael@0:     return rv;
michael@0: 
michael@0:   // The delimiter char in the arch string is '-', so if that character
michael@0:   // is in the string we know we have multiple architectures.
michael@0:   *aIsUniversalBinary = (archString.Find("-") > -1);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsMacUtilsImpl::GetArchitecturesInBinary(nsAString& archString)
michael@0: {
michael@0:   return GetArchString(archString);
michael@0: }
michael@0: 
michael@0: /* readonly attribute boolean isTranslated; */
michael@0: // True when running under binary translation (Rosetta).
michael@0: NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(bool *aIsTranslated)
michael@0: {
michael@0: #ifdef __ppc__
michael@0:   static bool    sInitialized = false;
michael@0: 
michael@0:   // Initialize sIsNative to 1.  If the sysctl fails because it doesn't
michael@0:   // exist, then translation is not possible, so the process must not be
michael@0:   // running translated.
michael@0:   static int32_t sIsNative = 1;
michael@0: 
michael@0:   if (!sInitialized) {
michael@0:     size_t sz = sizeof(sIsNative);
michael@0:     sysctlbyname("sysctl.proc_native", &sIsNative, &sz, nullptr, 0);
michael@0:     sInitialized = true;
michael@0:   }
michael@0: 
michael@0:   *aIsTranslated = !sIsNative;
michael@0: #else
michael@0:   // Translation only exists for ppc code.  Other architectures aren't
michael@0:   // translated.
michael@0:   *aIsTranslated = false;
michael@0: #endif
michael@0: 
michael@0:   return NS_OK;
michael@0: }