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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 "cdbparsehelpers.h"
#include "breakpoint.h"
#include "threadshandler.h"
#include "registerhandler.h"
#include "bytearrayinputstream.h"
#include "gdb/gdbmi.h"
#ifdef Q_OS_WIN
# include "shared/dbgwinutils.h"
#endif
#include <QtCore/QByteArray>
#include <QtCore/QVariant>
#include <QtCore/QString>
#include <QtCore/QDir>
#include <QtCore/QDebug>
#include <utils/qtcassert.h>
#include <cctype>
namespace Debugger {
namespace Internal {
// Convert breakpoint in CDB syntax.
QByteArray cdbAddBreakpointCommand(const BreakpointParameters &bpIn, bool oneshot, int id)
{
#ifdef Q_OS_WIN
const BreakpointParameters bp = fixWinMSVCBreakpoint(bpIn);
#else
const BreakpointParameters bp = bpIn;
#endif
QByteArray rc;
ByteArrayInputStream str(rc);
if (bp.threadSpec >= 0)
str << '~' << bp.threadSpec << ' ';
str << (bp.type == Watchpoint ? "ba" : "bp");
if (id >= 0)
str << id;
str << ' ';
if (oneshot)
str << "/1 ";
switch (bp.type) {
case UnknownType:
case BreakpointAtCatch:
case BreakpointAtThrow:
case BreakpointAtMain:
QTC_ASSERT(false, return QByteArray(); )
break;
case BreakpointByAddress:
str << hex << hexPrefixOn << bp.address << hexPrefixOff << dec;
break;
case BreakpointByFunction:
str << bp.functionName;
break;
case BreakpointByFileAndLine:
str << '`' << QDir::toNativeSeparators(bp.fileName) << ':' << bp.lineNumber << '`';
break;
case Watchpoint:
str << "rw 1 " << hex << hexPrefixOn << bp.address << hexPrefixOff << dec;
break;
}
if (bp.ignoreCount)
str << ' ' << bp.ignoreCount;
// Condition currently unsupported.
return rc;
}
// Fix a CDB integer value: '00000000`0012a290' -> '12a290', '0n10' ->'10'
QByteArray fixCdbIntegerValue(QByteArray t, bool stripLeadingZeros, int *basePtr /* = 0 */)
{
if (t.isEmpty())
return t;
int base = 16;
// Prefixes
if (t.startsWith("0x")) {
t.remove(0, 2);
} else if (t.startsWith("0n")) {
base = 10;
t.remove(0, 2);
}
if (base == 16 && t.size() >= 9 && t.at(8) == '`')
t.remove(8, 1);
if (stripLeadingZeros) { // Strip all but last '0'
const int last = t.size() - 1;
int pos = 0;
for ( ; pos < last && t.at(pos) == '0'; pos++) ;
if (pos)
t.remove(0, pos);
}
if (basePtr)
*basePtr = base;
return t;
}
// Convert a CDB integer value: '00000000`0012a290' -> '12a290', '0n10' ->'10'
QVariant cdbIntegerValue(const QByteArray &t)
{
int base;
const QByteArray fixed = fixCdbIntegerValue(t, false, &base);
bool ok;
const QVariant converted = base == 16 ?
fixed.toULongLong(&ok, base) :
fixed.toLongLong(&ok, base);
QTC_ASSERT(ok, return QVariant(); )
return converted;
}
/* \code
0:002> ~ [Debugger-Id] Id: <hex pid> <hex tid> Suspends count thread environment block add state name
0 Id: 133c.1374 Suspend: 1 Teb: 000007ff`fffdd000 Unfrozen
. 2 Id: 133c.1160 Suspend: 1 Teb: 000007ff`fffd9000 Unfrozen "QThread"
3 Id: 133c.38c Suspend: 1 Teb: 000007ff`fffd7000 Unfrozen "QThread"
\endcode */
static inline bool parseThread(QByteArray line, ThreadData *thread, bool *current)
{
*current = false;
if (line.size() < 5)
return false;
*current = line.at(0) == '.';
if (current)
line[0] = ' ';
const QList<QByteArray> tokens = simplify(line).split(' ');
if (tokens.size() < 8 || tokens.at(1) != "Id:")
return false;
switch (tokens.size()) { // fallthru intended
case 9:
thread->name = QString::fromLocal8Bit(tokens.at(8));
case 8:
thread->state = QString::fromLocal8Bit(tokens.at(7));
case 3: {
const QByteArray &pidTid = tokens.at(2);
const int dotPos = pidTid.indexOf('.');
if (dotPos != -1)
thread->targetId = QLatin1String("0x") + QString::fromAscii(pidTid.mid(dotPos + 1));
}
case 1:
thread->id = tokens.at(0).toInt();
break;
} // switch size
return true;
}
QString debugByteArray(const QByteArray &a)
{
QString rc;
const int size = a.size();
rc.reserve(size * 2);
QTextStream str(&rc);
for (int i = 0; i < size; i++) {
const unsigned char uc = (unsigned char)(a.at(i));
switch (uc) {
case 0:
str << "\\0";
break;
case '\n':
str << "\\n";
break;
case '\t':
str << "\\t";
break;
case '\r':
str << "\\r";
break;
default:
if (uc >=32 && uc < 128) {
str << a.at(i);
} else {
str << '<' << unsigned(uc) << '>';
}
break;
}
}
return rc;
}
QString StringFromBase64EncodedUtf16(const QByteArray &a)
{
QByteArray utf16 = QByteArray::fromBase64(a);
utf16.append('\0');
utf16.append('\0');
return QString::fromUtf16(reinterpret_cast<const unsigned short *>(utf16.constData()));
}
WinException::WinException() :
exceptionCode(0), exceptionFlags(0), exceptionAddress(0),
info1(0),info2(0), firstChance(false), lineNumber(0)
{
}
void WinException::fromGdbMI(const GdbMi &gdbmi)
{
exceptionCode = gdbmi.findChild("exceptionCode").data().toUInt();
exceptionFlags = gdbmi.findChild("exceptionFlags").data().toUInt();
exceptionAddress = gdbmi.findChild("exceptionAddress").data().toULongLong();
firstChance = gdbmi.findChild("firstChance").data() != "0";
const GdbMi ginfo1 = gdbmi.findChild("exceptionInformation0");
if (ginfo1.isValid()) {
info1 = ginfo1.data().toULongLong();
const GdbMi ginfo2 = gdbmi.findChild("exceptionInformation1");
if (ginfo2.isValid())
info2 = ginfo1.data().toULongLong();
}
const GdbMi gLineNumber = gdbmi.findChild("exceptionLine");
if (gLineNumber.isValid()) {
lineNumber = gLineNumber.data().toInt();
file = gdbmi.findChild("exceptionFile").data();
}
function = gdbmi.findChild("exceptionFunction").data();
}
QString WinException::toString(bool includeLocation) const
{
QString rc;
QTextStream str(&rc);
#ifdef Q_OS_WIN
formatWindowsException(exceptionCode, exceptionAddress,
exceptionFlags, info1, info2, str);
#endif
if (includeLocation) {
if (lineNumber) {
str << " at " << QLatin1String(file) << ':' << lineNumber;
} else {
if (!function.isEmpty())
str << " in " << QLatin1String(function);
}
}
return rc;
}
QDebug operator<<(QDebug s, const WinException &e)
{
QDebug nsp = s.nospace();
nsp << "code=" << e.exceptionCode << ",flags=" << e.exceptionFlags
<< ",address=0x" << QString::number(e.exceptionAddress, 16)
<< ",firstChance=" << e.firstChance;
return s;
}
} // namespace Internal
} // namespace Debugger
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