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-rw-r--r--src/coff/base/coff.cpp97
1 files changed, 97 insertions, 0 deletions
diff --git a/src/coff/base/coff.cpp b/src/coff/base/coff.cpp
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+++ b/src/coff/base/coff.cpp
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+/***************************************************************************
+ * 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;
+}