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xpcom/base/nsMacUtilsImpl.cpp@6474c204b198 (annotated)

xpcom/base/nsMacUtilsImpl.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	#include "nsMacUtilsImpl.h"
michael@0	7
michael@0	8	#include <CoreFoundation/CoreFoundation.h>
michael@0	9
michael@0	10	NS_IMPL_ISUPPORTS(nsMacUtilsImpl, nsIMacUtils)
michael@0	11
michael@0	12	nsresult nsMacUtilsImpl::GetArchString(nsAString& archString)
michael@0	13	{
michael@0	14	if (!mBinaryArchs.IsEmpty()) {
michael@0	15	archString.Assign(mBinaryArchs);
michael@0	16	return NS_OK;
michael@0	17	}
michael@0	18
michael@0	19	archString.Truncate();
michael@0	20
michael@0	21	bool foundPPC = false,
michael@0	22	foundX86 = false,
michael@0	23	foundPPC64 = false,
michael@0	24	foundX86_64 = false;
michael@0	25
michael@0	26	CFBundleRef mainBundle = ::CFBundleGetMainBundle();
michael@0	27	if (!mainBundle) {
michael@0	28	return NS_ERROR_FAILURE;
michael@0	29	}
michael@0	30
michael@0	31	CFArrayRef archList = ::CFBundleCopyExecutableArchitectures(mainBundle);
michael@0	32	if (!archList) {
michael@0	33	return NS_ERROR_FAILURE;
michael@0	34	}
michael@0	35
michael@0	36	CFIndex archCount = ::CFArrayGetCount(archList);
michael@0	37	for (CFIndex i = 0; i < archCount; i++) {
michael@0	38	CFNumberRef arch = static_cast<CFNumberRef>(::CFArrayGetValueAtIndex(archList, i));
michael@0	39
michael@0	40	int archInt = 0;
michael@0	41	if (!::CFNumberGetValue(arch, kCFNumberIntType, &archInt)) {
michael@0	42	::CFRelease(archList);
michael@0	43	return NS_ERROR_FAILURE;
michael@0	44	}
michael@0	45
michael@0	46	if (archInt == kCFBundleExecutableArchitecturePPC)
michael@0	47	foundPPC = true;
michael@0	48	else if (archInt == kCFBundleExecutableArchitectureI386)
michael@0	49	foundX86 = true;
michael@0	50	else if (archInt == kCFBundleExecutableArchitecturePPC64)
michael@0	51	foundPPC64 = true;
michael@0	52	else if (archInt == kCFBundleExecutableArchitectureX86_64)
michael@0	53	foundX86_64 = true;
michael@0	54	}
michael@0	55
michael@0	56	::CFRelease(archList);
michael@0	57
michael@0	58	// The order in the string must always be the same so
michael@0	59	// don't do this in the loop.
michael@0	60	if (foundPPC) {
michael@0	61	mBinaryArchs.Append(NS_LITERAL_STRING("ppc"));
michael@0	62	}
michael@0	63
michael@0	64	if (foundX86) {
michael@0	65	if (!mBinaryArchs.IsEmpty()) {
michael@0	66	mBinaryArchs.Append(NS_LITERAL_STRING("-"));
michael@0	67	}
michael@0	68	mBinaryArchs.Append(NS_LITERAL_STRING("i386"));
michael@0	69	}
michael@0	70
michael@0	71	if (foundPPC64) {
michael@0	72	if (!mBinaryArchs.IsEmpty()) {
michael@0	73	mBinaryArchs.Append(NS_LITERAL_STRING("-"));
michael@0	74	}
michael@0	75	mBinaryArchs.Append(NS_LITERAL_STRING("ppc64"));
michael@0	76	}
michael@0	77
michael@0	78	if (foundX86_64) {
michael@0	79	if (!mBinaryArchs.IsEmpty()) {
michael@0	80	mBinaryArchs.Append(NS_LITERAL_STRING("-"));
michael@0	81	}
michael@0	82	mBinaryArchs.Append(NS_LITERAL_STRING("x86_64"));
michael@0	83	}
michael@0	84
michael@0	85	archString.Assign(mBinaryArchs);
michael@0	86
michael@0	87	return (archString.IsEmpty() ? NS_ERROR_FAILURE : NS_OK);
michael@0	88	}
michael@0	89
michael@0	90	NS_IMETHODIMP nsMacUtilsImpl::GetIsUniversalBinary(bool *aIsUniversalBinary)
michael@0	91	{
michael@0	92	if (NS_WARN_IF(!aIsUniversalBinary))
michael@0	93	return NS_ERROR_INVALID_ARG;
michael@0	94	*aIsUniversalBinary = false;
michael@0	95
michael@0	96	nsAutoString archString;
michael@0	97	nsresult rv = GetArchString(archString);
michael@0	98	if (NS_FAILED(rv))
michael@0	99	return rv;
michael@0	100
michael@0	101	// The delimiter char in the arch string is '-', so if that character
michael@0	102	// is in the string we know we have multiple architectures.
michael@0	103	*aIsUniversalBinary = (archString.Find("-") > -1);
michael@0	104
michael@0	105	return NS_OK;
michael@0	106	}
michael@0	107
michael@0	108	NS_IMETHODIMP nsMacUtilsImpl::GetArchitecturesInBinary(nsAString& archString)
michael@0	109	{
michael@0	110	return GetArchString(archString);
michael@0	111	}
michael@0	112
michael@0	113	/* readonly attribute boolean isTranslated; */
michael@0	114	// True when running under binary translation (Rosetta).
michael@0	115	NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(bool *aIsTranslated)
michael@0	116	{
michael@0	117	#ifdef __ppc__
michael@0	118	static bool sInitialized = false;
michael@0	119
michael@0	120	// Initialize sIsNative to 1. If the sysctl fails because it doesn't
michael@0	121	// exist, then translation is not possible, so the process must not be
michael@0	122	// running translated.
michael@0	123	static int32_t sIsNative = 1;
michael@0	124
michael@0	125	if (!sInitialized) {
michael@0	126	size_t sz = sizeof(sIsNative);
michael@0	127	sysctlbyname("sysctl.proc_native", &sIsNative, &sz, nullptr, 0);
michael@0	128	sInitialized = true;
michael@0	129	}
michael@0	130
michael@0	131	*aIsTranslated = !sIsNative;
michael@0	132	#else
michael@0	133	// Translation only exists for ppc code. Other architectures aren't
michael@0	134	// translated.
michael@0	135	*aIsTranslated = false;
michael@0	136	#endif
michael@0	137
michael@0	138	return NS_OK;
michael@0	139	}