abi.cpp 15 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#include "abi.h"

#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QSysInfo>

namespace ProjectExplorer {

Abi::Abi(const Architecture &a, const OS &o,
         const OSFlavour &of, const BinaryFormat &f, unsigned char w) :
    m_architecture(a), m_os(o), m_osFlavor(of), m_binaryFormat(f), m_wordWidth(w)
{
    switch (m_os) {
    case ProjectExplorer::Abi::UNKNOWN_OS:
        m_osFlavor = UNKNOWN_OSFLAVOUR;
        break;
    case ProjectExplorer::Abi::Linux:
        if (m_osFlavor < Linux_generic || m_osFlavor > Linux_meego)
            m_osFlavor = UNKNOWN_OSFLAVOUR;
        break;
    case ProjectExplorer::Abi::Mac:
        if (m_osFlavor < Mac_generic || m_osFlavor > Mac_generic)
            m_osFlavor = UNKNOWN_OSFLAVOUR;
        break;
    case ProjectExplorer::Abi::Symbian:
        if (m_osFlavor < Symbian_device || m_osFlavor > Symbian_emulator)
            m_osFlavor = UNKNOWN_OSFLAVOUR;
        break;
    case ProjectExplorer::Abi::UNIX:
        if (m_osFlavor < Unix_generic || m_osFlavor > Unix_generic)
            m_osFlavor = UNKNOWN_OSFLAVOUR;
        break;
    case ProjectExplorer::Abi::Windows:
        if (m_osFlavor < Windows_msvc || m_osFlavor > Windows_ce)
            m_osFlavor = UNKNOWN_OSFLAVOUR;
        break;
    }
}

Abi::Abi(const QString &abiString) :
    m_architecture(UNKNOWN_ARCHITECTURE), m_os(UNKNOWN_OS),
    m_osFlavor(UNKNOWN_OSFLAVOUR), m_binaryFormat(UNKNOWN_FORMAT), m_wordWidth(0)
{
    QStringList abiParts = abiString.split(QLatin1Char('-'));
    if (abiParts.count() >= 1) {
        if (abiParts.at(0) == QLatin1String("unknown"))
            m_architecture = UNKNOWN_ARCHITECTURE;
        else if (abiParts.at(0) == QLatin1String("arm"))
            m_architecture = ARM;
        else if (abiParts.at(0) == QLatin1String("x86"))
            m_architecture = x86;
        else if (abiParts.at(0) == QLatin1String("mips"))
            m_architecture = Mips;
        else if (abiParts.at(0) == QLatin1String("ppc"))
            m_architecture = PowerPC;
        else if (abiParts.at(0) == QLatin1String("itanium"))
            m_architecture = Itanium;
        else
            return;
    }

    if (abiParts.count() >= 2) {
        if (abiParts.at(1) == QLatin1String("unknown"))
            m_os = UNKNOWN_OS;
        else if (abiParts.at(1) == QLatin1String("linux"))
            m_os = Linux;
        else if (abiParts.at(1) == QLatin1String("macos"))
            m_os = Mac;
        else if (abiParts.at(1) == QLatin1String("symbian"))
            m_os = Symbian;
        else if (abiParts.at(1) == QLatin1String("unix"))
            m_os = UNIX;
        else if (abiParts.at(1) == QLatin1String("windows"))
            m_os = Windows;
        else
            return;
    }

    if (abiParts.count() >= 3) {
        if (abiParts.at(2) == QLatin1String("unknown"))
            m_osFlavor = UNKNOWN_OSFLAVOUR;
        else if (abiParts.at(2) == QLatin1String("generic") && m_os == Linux)
            m_osFlavor = Linux_generic;
        else if (abiParts.at(2) == QLatin1String("maemo") && m_os == Linux)
            m_osFlavor = Linux_maemo;
        else if (abiParts.at(2) == QLatin1String("meego") && m_os == Linux)
            m_osFlavor = Linux_meego;
        else if (abiParts.at(2) == QLatin1String("generic") && m_os == Mac)
            m_osFlavor = Mac_generic;
        else if (abiParts.at(2) == QLatin1String("device") && m_os == Symbian)
            m_osFlavor = Symbian_device;
        else if (abiParts.at(2) == QLatin1String("emulator") && m_os == Symbian)
            m_osFlavor = Symbian_emulator;
        else if (abiParts.at(2) == QLatin1String("generic") && m_os == UNIX)
            m_osFlavor = Unix_generic;
        else if (abiParts.at(2) == QLatin1String("msvc") && m_os == Windows)
            m_osFlavor = Windows_msvc;
        else if (abiParts.at(2) == QLatin1String("msys") && m_os == Windows)
            m_osFlavor = Windows_msys;
        else if (abiParts.at(2) == QLatin1String("ce") && m_os == Windows)
            m_osFlavor = Windows_ce;
        else
            return;
    }

    if (abiParts.count() >= 4) {
        if (abiParts.at(3) == QLatin1String("unknown"))
            m_binaryFormat = UNKNOWN_FORMAT;
        else if (abiParts.at(3) == QLatin1String("elf"))
            m_binaryFormat = Format_ELF;
        else if (abiParts.at(3) == QLatin1String("pe"))
            m_binaryFormat = Format_PE;
        else if (abiParts.at(3) == QLatin1String("mach_o"))
            m_binaryFormat = Format_Mach_O;
        else if (abiParts.at(3) == QLatin1String("qml_rt"))
            m_binaryFormat = Format_Runtime_QML;
        else
            return;
    }

    if (abiParts.count() >= 5) {
        const QString &bits = abiParts.at(4);
        if (!bits.endsWith(QLatin1String("bit")))
            return;

        bool ok = false;
        int bitCount = bits.left(bits.count() - 3).toInt(&ok);
        if (!ok)
            return;
        if (bitCount != 8 && bitCount != 16 && bitCount != 32 && bitCount != 64)
            return;
        m_wordWidth = bitCount;
    }
}

QString Abi::toString() const
{
    QStringList dn;
    dn << toString(m_architecture);
    dn << toString(m_os);
    dn << toString(m_osFlavor);
    dn << toString(m_binaryFormat);
    dn << toString(m_wordWidth);

    return dn.join(QLatin1String("-"));
}

bool Abi::operator == (const Abi &other) const
{
    return m_architecture == other.m_architecture
            && m_os == other.m_os
            && m_osFlavor == other.m_osFlavor
            && m_binaryFormat == other.m_binaryFormat
            && m_wordWidth == other.m_wordWidth;
}

bool Abi::isCompatibleWith(const Abi &other) const
{
    return (architecture() == other.architecture() || other.architecture() == Abi::UNKNOWN_ARCHITECTURE)
            && (os() == other.os() || other.os() == Abi::UNKNOWN_OS)
            && (osFlavor() == other.osFlavor() || other.osFlavor() == Abi::UNKNOWN_OSFLAVOUR)
            && (binaryFormat() == other.binaryFormat() || other.binaryFormat() == Abi::UNKNOWN_FORMAT)
            && ((wordWidth() == other.wordWidth() && wordWidth() != 0) || other.wordWidth() == 0);
}

bool Abi::isValid() const
{
    return m_architecture != UNKNOWN_ARCHITECTURE
            && m_os != UNKNOWN_OS
            && m_osFlavor != UNKNOWN_OSFLAVOUR
            && m_binaryFormat != UNKNOWN_FORMAT
            && m_wordWidth != 0;
}

QString Abi::toString(const Architecture &a)
{
    switch (a) {
    case ARM:
        return QLatin1String("arm");
    case x86:
        return QLatin1String("x86");
    case Mips:
        return QLatin1String("mips");
    case PowerPC:
        return QLatin1String("ppc");
    case Itanium:
        return QLatin1String("itanium");
    case UNKNOWN_ARCHITECTURE: // fall through!
    default:
        return QLatin1String("unknown");
    }
}

QString Abi::toString(const OS &o)
{
    switch (o) {
    case Linux:
        return QLatin1String("linux");
    case Mac:
        return QLatin1String("macos");
    case Symbian:
        return QLatin1String("symbian");
    case UNIX:
        return QLatin1String("unix");
    case Windows:
        return QLatin1String("windows");
    case UNKNOWN_OS: // fall through!
    default:
        return QLatin1String("unknown");
    };
}

QString Abi::toString(const OSFlavour &of)
{
    switch (of) {
    case ProjectExplorer::Abi::Linux_generic:
        return QLatin1String("generic");
    case ProjectExplorer::Abi::Linux_maemo:
        return QLatin1String("maemo");
    case ProjectExplorer::Abi::Linux_harmattan:
        return QLatin1String("harmattan");
    case ProjectExplorer::Abi::Linux_meego:
        return QLatin1String("meego");
    case ProjectExplorer::Abi::Mac_generic:
        return QLatin1String("generic");
    case ProjectExplorer::Abi::Symbian_device:
        return QLatin1String("device");
    case ProjectExplorer::Abi::Symbian_emulator:
        return QLatin1String("emulator");
    case ProjectExplorer::Abi::Unix_generic:
        return QLatin1String("generic");
    case ProjectExplorer::Abi::Windows_msvc:
        return QLatin1String("msvc");
    case ProjectExplorer::Abi::Windows_msys:
        return QLatin1String("msys");
    case ProjectExplorer::Abi::Windows_ce:
        return QLatin1String("ce");
    case ProjectExplorer::Abi::UNKNOWN_OSFLAVOUR: // fall throught!
    default:
        return QLatin1String("unknown");
    }
}

QString Abi::toString(const BinaryFormat &bf)
{
    switch (bf) {
    case Format_ELF:
        return QLatin1String("elf");
    case Format_PE:
        return QLatin1String("pe");
    case Format_Mach_O:
        return QLatin1String("mach_o");
    case Format_Runtime_QML:
        return QLatin1String("qml_rt");
    case UNKNOWN_FORMAT: // fall through!
    default:
        return QLatin1String("unknown");
    }
}

QString Abi::toString(int w)
{
    if (w == 0)
        return QLatin1String("unknown");
    return QString::fromLatin1("%1bit").arg(w);
}


Abi Abi::hostAbi()
{
    Architecture arch = QTC_CPU; // define set by qmake
    OS os = UNKNOWN_OS;
    OSFlavour subos = UNKNOWN_OSFLAVOUR;
    BinaryFormat format = UNKNOWN_FORMAT;

#if defined (Q_OS_WIN)
    os = Windows;
    subos = Windows_msvc;
    format = Format_PE;
#elif defined (Q_OS_LINUX)
    os = Linux;
    subos = Linux_generic;
    format = Format_ELF;
#elif defined (Q_OS_MAC)
    os = Mac;
    subos = Mac_generic;
    format = Format_Mach_O;
#endif

    return Abi(arch, os, subos, format, QSysInfo::WordSize);
}

static Abi macAbiForCpu(quint32 type) {
    switch (type) {
    case 7: // CPU_TYPE_X86, CPU_TYPE_I386
        return Abi(Abi::x86, Abi::Mac, Abi::Mac_generic, Abi::Format_Mach_O, 32);
    case 0x01000000 +  7: // CPU_TYPE_X86_64
        return Abi(Abi::x86, Abi::Mac, Abi::Mac_generic, Abi::Format_Mach_O, 64);
    case 18: // CPU_TYPE_POWERPC
        return Abi(Abi::PowerPC, Abi::Mac, Abi::Mac_generic, Abi::Format_Mach_O, 32);
    case 0x01000000 + 18: // CPU_TYPE_POWERPC64
        return Abi(Abi::PowerPC, Abi::Mac, Abi::Mac_generic, Abi::Format_Mach_O, 32);
    case 12: // CPU_TYPE_ARM
        return Abi(Abi::ARM, Abi::Mac, Abi::Mac_generic, Abi::Format_Mach_O, 32);
    default:
        return Abi();
    }
}

QList<Abi> Abi::abisOfBinary(const QString &path)
{
    QList<Abi> result;
    if (path.isEmpty())
        return result;

    QFile f(path);
    if (!f.exists())
        return result;

    f.open(QFile::ReadOnly);
    QByteArray data = f.read(1024);
    f.close();

    if (data.size() >= 20
            && static_cast<unsigned char>(data.at(0)) == 0x7f && static_cast<unsigned char>(data.at(1)) == 'E'
            && static_cast<unsigned char>(data.at(2)) == 'L' && static_cast<unsigned char>(data.at(3)) == 'F') {
        // ELF format:
        quint16 machine = (data.at(19) << 8) + data.at(18);
        switch (machine) {
        case 3: // EM_386
            result.append(Abi(Abi::x86, Abi::Linux, Abi::Linux_generic, Abi::Format_ELF, 32));
            break;
        case 8: // EM_MIPS
            result.append(Abi(Abi::Mips, Abi::Linux, Abi::Linux_generic, Abi::Format_ELF, 32));
            break;
        case 20: // EM_PPC
            result.append(Abi(Abi::PowerPC, Abi::Linux, Abi::Linux_generic, Abi::Format_ELF, 32));
            break;
        case 21: // EM_PPC64
            result.append(Abi(Abi::PowerPC, Abi::Linux, Abi::Linux_generic, Abi::Format_ELF, 64));
            break;
        case 62: // EM_X86_64
            result.append(Abi(Abi::x86, Abi::Linux, Abi::Linux_generic, Abi::Format_ELF, 64));
            break;
        case 50: // EM_IA_64
            result.append(Abi(Abi::Itanium, Abi::Linux, Abi::Linux_generic, Abi::Format_ELF, 64));
            break;
        default:
            ;;
        }
    } else if (data.size() >= 8
               && (static_cast<unsigned char>(data.at(0)) == 0xce || static_cast<unsigned char>(data.at(0)) == 0xcf)
               && static_cast<unsigned char>(data.at(1)) == 0xfa
               && static_cast<unsigned char>(data.at(2)) == 0xed && static_cast<unsigned char>(data.at(3)) == 0xfe) {
        // Mach-O format (Mac non-fat binary, 32 and 64bit magic)
        quint32 type = (data.at(7) << 24) + (data.at(6) << 16) + (data.at(5) << 8) + data.at(4);
        result.append(macAbiForCpu(type));
    } else if (data.size() >= 8
               && static_cast<unsigned char>(data.at(0)) == 0xca && static_cast<unsigned char>(data.at(1)) == 0xfe
               && static_cast<unsigned char>(data.at(2)) == 0xba && static_cast<unsigned char>(data.at(3)) == 0xbe) {
        // Mac fat binary:
        quint32 count = (data.at(4) << 24) + (data.at(5) << 16) + (data.at(6) << 8) + data.at(7);
        int pos = 8;
        for (quint32 i = 0; i < count; ++i) {
            if (data.size() <= pos + 4)
                break;

            quint32 type = (data.at(pos) << 24) + (data.at(pos + 1) << 16) + (data.at(pos + 2) << 8) + data.at(pos + 3);
            result.append(macAbiForCpu(type));
            pos += 20;
        }
    } else {
        // Windows PE
        // Windows can have its magic bytes everywhere...
        int pePos = data.indexOf("PE\0\0");
        if (pePos >= 0 && pePos + 5 < data.size()) {
            quint16 machine = (data.at(pePos + 5) << 8) + data.at(pePos + 4);
            switch (machine) {
            case 0x8664: // x86_64
                result.append(Abi(Abi::x86, Abi::Windows, Abi::Windows_msvc, Abi::Format_PE, 64));
                break;
            case 0x014c: // i386
                result.append(Abi(Abi::x86, Abi::Windows, Abi::Windows_msvc, Abi::Format_PE, 32));
                break;
            case 0x0200: // ia64
                result.append(Abi(Abi::Itanium, Abi::Windows, Abi::Windows_msvc, Abi::Format_PE, 64));
                break;
            }
        }
    }
    return result;
}

} // namespace ProjectExplorer