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/**************************************************************************
**
** 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 "cdbbreakpoint.h"
#include "cdbmodules.h"
#include <QtCore/QDebug>
namespace Debugger {
namespace Internal {
enum { debugBP = 0 };
// Convert breakpoint structs
CdbCore::BreakPoint breakPointFromBreakPointData(const Debugger::Internal::BreakpointData &bpd)
{
CdbCore::BreakPoint rc;
rc.type = bpd.type == Debugger::Internal::BreakpointData::BreakpointType ?
CdbCore::BreakPoint::Code : CdbCore::BreakPoint::Data;
rc.address = bpd.address;
if (!bpd.threadSpec.isEmpty()) {
bool ok;
rc.threadId = bpd.threadSpec.toInt(&ok);
if (!ok)
qWarning("Cdb: Cannot convert breakpoint thread specification '%s'", bpd.threadSpec.constData());
}
rc.fileName = QDir::toNativeSeparators(bpd.fileName);
rc.condition = bpd.condition;
// Resolved function goes to bpd.bpFuncName.
rc.funcName = bpd.bpFuncName.isEmpty() ? bpd.funcName : bpd.bpFuncName;
rc.ignoreCount = bpd.ignoreCount;
rc.lineNumber = bpd.lineNumber;
rc.oneShot = false;
rc.enabled = bpd.enabled;
return rc;
}
static inline QString msgCannotSetBreakAtFunction(const QString &func, const QString &why)
{
return QString::fromLatin1("Cannot set a breakpoint at '%1': %2").arg(func, why);
}
static bool addBreakpoint(CIDebugControl* debugControl,
CIDebugSymbols *syms,
BreakpointData *nbd,
QString *warning)
{
warning->clear();
// Function breakpoints: Are the module names specified?
if (!nbd->funcName.isEmpty()) {
nbd->bpFuncName = nbd->funcName;
switch (resolveSymbol(syms, &nbd->bpFuncName, warning)) {
case ResolveSymbolOk:
break;
case ResolveSymbolAmbiguous:
*warning = msgCannotSetBreakAtFunction(nbd->funcName, *warning);
break;
case ResolveSymbolNotFound:
case ResolveSymbolError:
*warning = msgCannotSetBreakAtFunction(nbd->funcName, *warning);
return false;
};
} // function breakpoint
// Now add...
quint64 address;
unsigned long id;
const CdbCore::BreakPoint ncdbbp = breakPointFromBreakPointData(*nbd);
if (!ncdbbp.add(debugControl, warning, &id, &address))
return false;
if (debugBP)
qDebug("Added %lu at 0x%lx %s", id, address, qPrintable(ncdbbp.toString()));
nbd->pending = false;
nbd->bpNumber = QByteArray::number(uint(id));
nbd->bpAddress = address;
// Take over rest as is
nbd->bpCondition = nbd->condition;
nbd->bpIgnoreCount = nbd->ignoreCount;
nbd->bpThreadSpec = nbd->threadSpec;
nbd->bpFileName = nbd->fileName;
nbd->bpLineNumber = nbd->lineNumber;
return true;
}
// Synchronize (halted) engine breakpoints with those of the BreakHandler.
bool synchronizeBreakPoints(CIDebugControl* debugControl,
CIDebugSymbols *syms,
BreakHandler *handler,
QString *errorMessage,
QStringList *warnings)
{
errorMessage->clear();
warnings->clear();
// Do an initial check whether we are in a state that allows
// for modifying breakPoints
ULONG engineCount;
if (!CdbCore::BreakPoint::getBreakPointCount(debugControl, &engineCount, errorMessage)) {
*errorMessage = QString::fromLatin1("Cannot modify breakpoints: %1").arg(*errorMessage);
return false;
}
// Delete all breakpoints and re-insert all enabled breakpoints. This is the simplest
// way to apply changes since CDB ids shift when removing breakpoints and there is no
// easy way to re-match them.
if (engineCount) {
for (int b = engineCount - 1; b >= 0 ; b--)
if (!CdbCore::BreakPoint::removeBreakPointById(debugControl, b, errorMessage))
return false;
}
qDeleteAll(handler->takeRemovedBreakpoints());
// Mark disabled ones
foreach(BreakpointData *dbd, handler->takeDisabledBreakpoints())
dbd->bpEnabled = false;
// Insert all enabled ones as new
QString warning;
bool updateMarkers = false;
const int size = handler->size();
for (int i = 0; i < size; i++) {
BreakpointData *breakpoint = handler->at(i);
if (breakpoint->enabled)
if (addBreakpoint(debugControl, syms, breakpoint, &warning)) {
updateMarkers = true;
} else {
warnings->push_back(warning);
}
}
// Mark enabled ones
foreach(BreakpointData *ebd, handler->takeEnabledBreakpoints())
ebd->bpEnabled = true;
if (updateMarkers)
handler->updateMarkers();
if (debugBP > 1) {
QList<CdbCore::BreakPoint> bps;
CdbCore::BreakPoint::getBreakPoints(debugControl, &bps, errorMessage);
QDebug nsp = qDebug().nospace();
const int count = bps.size();
nsp <<"### Breakpoints in engine: " << count << '\n';
for (int i = 0; i < count; i++)
nsp << " #" << i << ' ' << bps.at(i) << '\n';
}
return true;
}
} // namespace Internal
} // namespace Debugger
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