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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/base/nsMacUtilsImpl.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/base/nsMacUtilsImpl.cpp')
-rw-r--r--xpcom/base/nsMacUtilsImpl.cpp147
1 files changed, 147 insertions, 0 deletions
diff --git a/xpcom/base/nsMacUtilsImpl.cpp b/xpcom/base/nsMacUtilsImpl.cpp
new file mode 100644
index 000000000..e2706047a
--- /dev/null
+++ b/xpcom/base/nsMacUtilsImpl.cpp
@@ -0,0 +1,147 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsMacUtilsImpl.h"
+
+#include <CoreFoundation/CoreFoundation.h>
+
+NS_IMPL_ISUPPORTS(nsMacUtilsImpl, nsIMacUtils)
+
+nsresult
+nsMacUtilsImpl::GetArchString(nsAString& aArchString)
+{
+ if (!mBinaryArchs.IsEmpty()) {
+ aArchString.Assign(mBinaryArchs);
+ return NS_OK;
+ }
+
+ aArchString.Truncate();
+
+ bool foundPPC = false,
+ foundX86 = false,
+ foundPPC64 = false,
+ foundX86_64 = 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 = true;
+ } else if (archInt == kCFBundleExecutableArchitectureI386) {
+ foundX86 = true;
+ } else if (archInt == kCFBundleExecutableArchitecturePPC64) {
+ foundPPC64 = true;
+ } else if (archInt == kCFBundleExecutableArchitectureX86_64) {
+ foundX86_64 = true;
+ }
+ }
+
+ ::CFRelease(archList);
+
+ // The order in the string must always be the same so
+ // don't do this in the loop.
+ if (foundPPC) {
+ mBinaryArchs.AppendLiteral("ppc");
+ }
+
+ if (foundX86) {
+ if (!mBinaryArchs.IsEmpty()) {
+ mBinaryArchs.Append('-');
+ }
+ mBinaryArchs.AppendLiteral("i386");
+ }
+
+ if (foundPPC64) {
+ if (!mBinaryArchs.IsEmpty()) {
+ mBinaryArchs.Append('-');
+ }
+ mBinaryArchs.AppendLiteral("ppc64");
+ }
+
+ if (foundX86_64) {
+ if (!mBinaryArchs.IsEmpty()) {
+ mBinaryArchs.Append('-');
+ }
+ mBinaryArchs.AppendLiteral("x86_64");
+ }
+
+ aArchString.Assign(mBinaryArchs);
+
+ return (aArchString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK);
+}
+
+NS_IMETHODIMP
+nsMacUtilsImpl::GetIsUniversalBinary(bool* aIsUniversalBinary)
+{
+ if (NS_WARN_IF(!aIsUniversalBinary)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ *aIsUniversalBinary = 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& aArchString)
+{
+ return GetArchString(aArchString);
+}
+
+// True when running under binary translation (Rosetta).
+NS_IMETHODIMP
+nsMacUtilsImpl::GetIsTranslated(bool* aIsTranslated)
+{
+#ifdef __ppc__
+ static bool sInitialized = 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 int32_t sIsNative = 1;
+
+ if (!sInitialized) {
+ size_t sz = sizeof(sIsNative);
+ sysctlbyname("sysctl.proc_native", &sIsNative, &sz, nullptr, 0);
+ sInitialized = true;
+ }
+
+ *aIsTranslated = !sIsNative;
+#else
+ // Translation only exists for ppc code. Other architectures aren't
+ // translated.
+ *aIsTranslated = false;
+#endif
+
+ return NS_OK;
+}