gecko-dev/xpcom/base/nsMacUtilsImpl.cpp

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5.2 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is XPCOM utility functions for Mac OS X
*
* The Initial Developer of the Original Code is Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mark Mentovai <mark@moxienet.com> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsMacUtilsImpl.h"
#include <CoreFoundation/CoreFoundation.h>
#include <sys/sysctl.h>
NS_IMPL_ISUPPORTS1(nsMacUtilsImpl, nsIMacUtils)
nsresult nsMacUtilsImpl::GetArchString(nsAString& archString)
{
if (!mBinaryArchs.IsEmpty()) {
archString.Assign(mBinaryArchs);
return NS_OK;
}
archString.Truncate();
PRBool foundPPC = PR_FALSE,
foundX86 = PR_FALSE,
foundPPC64 = PR_FALSE,
foundX86_64 = PR_FALSE;
CFBundleRef mainBundle = ::CFBundleGetMainBundle();
if (!mainBundle) {
return NS_ERROR_FAILURE;
}
CFArrayRef archList = ::CFBundleCopyExecutableArchitectures(mainBundle);
if (!archList) {
return NS_ERROR_FAILURE;
}
CFIndex archCount = ::CFArrayGetCount(archList);
for (CFIndex i = 0; i < archCount; i++) {
CFNumberRef arch = static_cast<CFNumberRef>(::CFArrayGetValueAtIndex(archList, i));
int archInt = 0;
if (!::CFNumberGetValue(arch, kCFNumberIntType, &archInt)) {
::CFRelease(archList);
return NS_ERROR_FAILURE;
}
if (archInt == kCFBundleExecutableArchitecturePPC)
foundPPC = PR_TRUE;
else if (archInt == kCFBundleExecutableArchitectureI386)
foundX86 = PR_TRUE;
else if (archInt == kCFBundleExecutableArchitecturePPC64)
foundPPC64 = PR_TRUE;
else if (archInt == kCFBundleExecutableArchitectureX86_64)
foundX86_64 = PR_TRUE;
}
::CFRelease(archList);
// The order in the string must always be the same so
// don't do this in the loop.
if (foundPPC) {
mBinaryArchs.Append(NS_LITERAL_STRING("ppc"));
}
if (foundX86) {
if (!mBinaryArchs.IsEmpty()) {
mBinaryArchs.Append(NS_LITERAL_STRING("-"));
}
mBinaryArchs.Append(NS_LITERAL_STRING("i386"));
}
if (foundPPC64) {
if (!mBinaryArchs.IsEmpty()) {
mBinaryArchs.Append(NS_LITERAL_STRING("-"));
}
mBinaryArchs.Append(NS_LITERAL_STRING("ppc64"));
}
if (foundX86_64) {
if (!mBinaryArchs.IsEmpty()) {
mBinaryArchs.Append(NS_LITERAL_STRING("-"));
}
mBinaryArchs.Append(NS_LITERAL_STRING("x86_64"));
}
archString.Assign(mBinaryArchs);
return (archString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK);
}
NS_IMETHODIMP nsMacUtilsImpl::GetIsUniversalBinary(PRBool *aIsUniversalBinary)
{
NS_ENSURE_ARG_POINTER(aIsUniversalBinary);
*aIsUniversalBinary = PR_FALSE;
nsAutoString archString;
nsresult rv = GetArchString(archString);
if (NS_FAILED(rv))
return rv;
// The delimiter char in the arch string is '-', so if that character
// is in the string we know we have multiple architectures.
*aIsUniversalBinary = (archString.Find("-") > -1);
return NS_OK;
}
NS_IMETHODIMP nsMacUtilsImpl::GetArchitecturesInBinary(nsAString& archString)
{
return GetArchString(archString);
}
/* readonly attribute boolean isTranslated; */
// True when running under binary translation (Rosetta).
NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(PRBool *aIsTranslated)
{
#ifdef __ppc__
static PRBool sInitialized = PR_FALSE;
// Initialize sIsNative to 1. If the sysctl fails because it doesn't
// exist, then translation is not possible, so the process must not be
// running translated.
static PRInt32 sIsNative = 1;
if (!sInitialized) {
size_t sz = sizeof(sIsNative);
sysctlbyname("sysctl.proc_native", &sIsNative, &sz, NULL, 0);
sInitialized = PR_TRUE;
}
*aIsTranslated = !sIsNative;
#else
// Translation only exists for ppc code. Other architectures aren't
// translated.
*aIsTranslated = PR_FALSE;
#endif
return NS_OK;
}