mirror of
https://github.com/mozilla/gecko-dev.git
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139 lines
3.7 KiB
C++
139 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsMacUtilsImpl.h"
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#include <CoreFoundation/CoreFoundation.h>
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NS_IMPL_ISUPPORTS1(nsMacUtilsImpl, nsIMacUtils)
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nsresult nsMacUtilsImpl::GetArchString(nsAString& archString)
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{
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if (!mBinaryArchs.IsEmpty()) {
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archString.Assign(mBinaryArchs);
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return NS_OK;
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}
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archString.Truncate();
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bool foundPPC = false,
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foundX86 = false,
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foundPPC64 = false,
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foundX86_64 = false;
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CFBundleRef mainBundle = ::CFBundleGetMainBundle();
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if (!mainBundle) {
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return NS_ERROR_FAILURE;
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}
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CFArrayRef archList = ::CFBundleCopyExecutableArchitectures(mainBundle);
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if (!archList) {
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return NS_ERROR_FAILURE;
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}
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CFIndex archCount = ::CFArrayGetCount(archList);
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for (CFIndex i = 0; i < archCount; i++) {
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CFNumberRef arch = static_cast<CFNumberRef>(::CFArrayGetValueAtIndex(archList, i));
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int archInt = 0;
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if (!::CFNumberGetValue(arch, kCFNumberIntType, &archInt)) {
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::CFRelease(archList);
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return NS_ERROR_FAILURE;
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}
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if (archInt == kCFBundleExecutableArchitecturePPC)
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foundPPC = true;
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else if (archInt == kCFBundleExecutableArchitectureI386)
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foundX86 = true;
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else if (archInt == kCFBundleExecutableArchitecturePPC64)
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foundPPC64 = true;
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else if (archInt == kCFBundleExecutableArchitectureX86_64)
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foundX86_64 = true;
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}
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::CFRelease(archList);
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// The order in the string must always be the same so
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// don't do this in the loop.
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if (foundPPC) {
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mBinaryArchs.Append(NS_LITERAL_STRING("ppc"));
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}
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if (foundX86) {
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if (!mBinaryArchs.IsEmpty()) {
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mBinaryArchs.Append(NS_LITERAL_STRING("-"));
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}
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mBinaryArchs.Append(NS_LITERAL_STRING("i386"));
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}
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if (foundPPC64) {
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if (!mBinaryArchs.IsEmpty()) {
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mBinaryArchs.Append(NS_LITERAL_STRING("-"));
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}
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mBinaryArchs.Append(NS_LITERAL_STRING("ppc64"));
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}
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if (foundX86_64) {
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if (!mBinaryArchs.IsEmpty()) {
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mBinaryArchs.Append(NS_LITERAL_STRING("-"));
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}
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mBinaryArchs.Append(NS_LITERAL_STRING("x86_64"));
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}
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archString.Assign(mBinaryArchs);
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return (archString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK);
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}
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NS_IMETHODIMP nsMacUtilsImpl::GetIsUniversalBinary(bool *aIsUniversalBinary)
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{
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NS_ENSURE_ARG_POINTER(aIsUniversalBinary);
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*aIsUniversalBinary = false;
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nsAutoString archString;
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nsresult rv = GetArchString(archString);
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if (NS_FAILED(rv))
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return rv;
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// The delimiter char in the arch string is '-', so if that character
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// is in the string we know we have multiple architectures.
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*aIsUniversalBinary = (archString.Find("-") > -1);
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return NS_OK;
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}
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NS_IMETHODIMP nsMacUtilsImpl::GetArchitecturesInBinary(nsAString& archString)
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{
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return GetArchString(archString);
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}
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/* readonly attribute boolean isTranslated; */
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// True when running under binary translation (Rosetta).
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NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(bool *aIsTranslated)
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{
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#ifdef __ppc__
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static bool sInitialized = false;
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// Initialize sIsNative to 1. If the sysctl fails because it doesn't
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// exist, then translation is not possible, so the process must not be
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// running translated.
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static int32_t sIsNative = 1;
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if (!sInitialized) {
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size_t sz = sizeof(sIsNative);
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sysctlbyname("sysctl.proc_native", &sIsNative, &sz, nullptr, 0);
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sInitialized = true;
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}
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*aIsTranslated = !sIsNative;
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#else
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// Translation only exists for ppc code. Other architectures aren't
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// translated.
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*aIsTranslated = false;
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#endif
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return NS_OK;
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}
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