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Diffstat (limited to 'src/coff/base/coff.cpp')
-rw-r--r-- | src/coff/base/coff.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/coff/base/coff.cpp b/src/coff/base/coff.cpp new file mode 100644 index 0000000..5eaad84 --- /dev/null +++ b/src/coff/base/coff.cpp @@ -0,0 +1,97 @@ +/*************************************************************************** + * Copyright (C) 2006-2007 Nicolas Hadacek <hadacek@kde.org> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ +#include "coff.h" + +#include <time.h> + +#include "common/common/misc.h" +#include "devices/list/device_list.h" +#include "devices/base/device_group.h" +#include "devices/pic/base/pic_register.h" +#include "coff_data.h" +#include "common/global/pfile.h" + +//---------------------------------------------------------------------------- +const CoffType::Data CoffType::DATA[Nb_Types] = { + { "archive", I18N_NOOP("Archive") }, + { "object", I18N_NOOP("Object") } +}; + +const Coff::Format::Data Coff::Format::DATA[Nb_Types] = { + { 0, I18N_NOOP("Old Microchip"), 0x1234, { 20, 16, 40, 18, 16, 12 } }, + { 0, I18N_NOOP("PIC30"), 0x1236, { 20, 28, 40, 18, 8, 10 } }, // from PIC30 binutils "coff.h" file + { 0, I18N_NOOP("New Microchip"), 0x1240, { 20, 18, 40, 20, 16, 12 } } // (C18 >= 3.0) +}; + +CoffType Coff::identify(const PURL::Url &url, Log::Base &log) +{ + PURL::File file(url, log); + if ( !file.openForRead() ) return CoffType::Nb_Types; + QByteArray data = file.readAll(); + if ( log.hasError() ) return CoffType::Nb_Types; + uint offset = 0; + Format format; + Q_UINT32 magic; + return identify(data, offset, log, format, magic); +} + +CoffType Coff::identify(const QByteArray &data, uint &offset, Log::Base &log, Format &format, Q_UINT32 &magic) +{ + QString id = "!<arch>\012"; + if ( data.count()>=id.length() ) { + QString s = QString::fromAscii(data.data(), id.length()); + if ( s==id ) { + offset += id.length(); + return CoffType::Archive; + } + } + if ( !getULong(data, offset, 2, log, magic) ) return CoffType::Nb_Types; + log.log(Log::DebugLevel::Extra, QString("COFF format: %1").arg(toHexLabel(magic, 4))); + format = Format::Nb_Types; + FOR_EACH(Format, f) if ( magic==f.data().magic ) format = f; + return CoffType::Object; +} + +//---------------------------------------------------------------------------- +bool Coff::getULong(const QByteArray &data, uint &offset, uint nbBytes, Log::Base &log, Q_UINT32 &v) +{ + bool ok; + v = ::getULong(data, offset, nbBytes, &ok); + if ( !ok ) { + log.log(Log::LineType::Error, i18n("COFF file is truncated (offset: %1 nbBytes: %2 size:%3).").arg(offset).arg(nbBytes).arg(data.count())); + return false; + } + offset += nbBytes; + return true; +} + +bool Coff::getString(const QByteArray &data, uint &offset, uint nbChars, Log::Base &log, QString &name) +{ + if ( !checkAvailable(data, offset, nbChars) ) { + log.log(Log::LineType::Error, i18n("COFF file is truncated (offset: %1 nbBytes: %2 size:%3).").arg(offset).arg(nbChars).arg(data.count())); + return false; + } + name = QString::fromAscii(data.data()+offset, nbChars); + offset += nbChars; + return true; +} + +//---------------------------------------------------------------------------- +bool Coff::Base::initParse(CoffType type, QByteArray &data, uint &offset, Log::Base &log) +{ + PURL::File file(_url, log); + if ( !file.openForRead() ) return false; + data = file.readAll(); + if ( log.hasError() ) return false; + if ( identify(data, offset, log, _format, _magic)!=type ) { + log.log(Log::LineType::Error, i18n("Could not recognize file (magic number is %1).").arg(toHexLabel(_magic, 4))); + return false; + } + return true; +} |