зеркало из https://github.com/mozilla/pjs.git
172 строки
5.2 KiB
C++
172 строки
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is XPCOM utility functions for Mac OS X
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*
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* The Initial Developer of the Original Code is Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Mentovai <mark@moxienet.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsMacUtilsImpl.h"
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#include <CoreFoundation/CoreFoundation.h>
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#include <sys/sysctl.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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PRBool foundPPC = PR_FALSE,
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foundX86 = PR_FALSE,
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foundPPC64 = PR_FALSE,
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foundX86_64 = PR_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 = PR_TRUE;
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else if (archInt == kCFBundleExecutableArchitectureI386)
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foundX86 = PR_TRUE;
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else if (archInt == kCFBundleExecutableArchitecturePPC64)
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foundPPC64 = PR_TRUE;
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else if (archInt == kCFBundleExecutableArchitectureX86_64)
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foundX86_64 = PR_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(PRBool *aIsUniversalBinary)
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{
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NS_ENSURE_ARG_POINTER(aIsUniversalBinary);
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*aIsUniversalBinary = PR_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(PRBool *aIsTranslated)
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{
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#ifdef __ppc__
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static PRBool sInitialized = PR_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 PRInt32 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, NULL, 0);
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sInitialized = PR_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 = PR_FALSE;
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#endif
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return NS_OK;
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}
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