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