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Fixes: debugger: re-add code that was accidentally removed in bd96ebf7

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This commit is contained in:
hjk
2009-03-04 10:11:42 +01:00
parent 6632d5b480
commit 77db01c410
2 changed files with 132 additions and 3 deletions
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133
src/plugins/debugger/gdbengine.cpp
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@@ -1643,8 +1643,8 @@ bool GdbEngine::startDebugger()
sendCommand("set print elements 10000");
sendCommand("-data-list-register-names", RegisterListNames);
sendCommand("set substitute-path /var/tmp/qt-x11-src-4.5.0 "
"/home/sandbox/qtsdk-2009.01/qt");
//sendCommand("set substitute-path /var/tmp/qt-x11-src-4.5.0 "
// "/home/sandbox/qtsdk-2009.01/qt");
// one of the following is needed to prevent crashes in gdb on code like:
// template <class T> T foo() { return T(0); }
@@ -1896,6 +1896,7 @@ void GdbEngine::setTokenBarrier()
{
foreach (const GdbCookie &ck, m_cookieForToken)
QTC_ASSERT(ck.synchronized || ck.type == GdbInvalidCommand, return);
PENDING_DEBUG("\n--- token barrier ---\n");
emit gdbInputAvailable(QString(), "--- token barrier ---");
m_oldestAcceptableToken = currentToken();
}
@@ -3145,6 +3146,134 @@ void GdbEngine::runCustomDumper(const WatchData &data0, bool dumpChildren)
extraArgs[1] = "0";
extraArgs[2] = "0";
extraArgs[3] = "0";
int extraArgCount = 0;
// "generic" template dumpers: passing sizeof(argument)
// gives already most information the dumpers need
foreach (const QString &arg, inners)
extraArgs[extraArgCount++] = sizeofTypeExpression(arg);
// in rare cases we need more or less:
if (outertype == m_namespace + "QObject") {
extraArgs[0] = "(char*)&((('"
+ m_namespace + "QObjectPrivate'*)&"
+ data.exp + ")->children)-(char*)&" + data.exp;
} else if (outertype == m_namespace + "QVector") {
extraArgs[1] = "(char*)&(("
+ data.exp + ").d->array)-(char*)" + data.exp + ".d";
} else if (outertype == m_namespace + "QObjectSlot"
|| outertype == m_namespace + "QObjectSignal") {
// we need the number out of something like
// iname="local.ob.slots.[2]deleteLater()"
int lastOpened = data.iname.lastIndexOf('[');
int lastClosed = data.iname.lastIndexOf(']');
QString slotNumber = "-1";
if (lastOpened != -1 && lastClosed != -1)
slotNumber = data.iname.mid(lastOpened + 1, lastClosed - lastOpened - 1);
extraArgs[0] = slotNumber;
} else if (outertype == m_namespace + "QMap" || outertype == m_namespace + "QMultiMap") {
QString nodetype;
if (m_qtVersion >= (4 << 16) + (5 << 8) + 0) {
nodetype = m_namespace + "QMapNode";
nodetype += data.type.mid(outertype.size());
} else {
// FIXME: doesn't work for QMultiMap
nodetype = data.type + "::Node";
}
//qDebug() << "OUTERTYPE: " << outertype << " NODETYPE: " << nodetype
// << "QT VERSION" << m_qtVersion << ((4 << 16) + (5 << 8) + 0);
extraArgs[2] = sizeofTypeExpression(nodetype);
extraArgs[3] = "(size_t)&(('" + nodetype + "'*)0)->value";
} else if (outertype == m_namespace + "QMapNode") {
extraArgs[2] = sizeofTypeExpression(data.type);
extraArgs[3] = "(size_t)&(('" + data.type + "'*)0)->value";
} else if (outertype == "std::vector") {
//qDebug() << "EXTRACT TEMPLATE: " << outertype << inners;
if (inners.at(0) == "bool") {
outertype = "std::vector::bool";
} else {
//extraArgs[extraArgCount++] = sizeofTypeExpression(data.type);
//extraArgs[extraArgCount++] = "(size_t)&(('" + data.type + "'*)0)->value";
}
} else if (outertype == "std::deque") {
// remove 'std::allocator<...>':
extraArgs[1] = "0";
} else if (outertype == "std::stack") {
// remove 'std::allocator<...>':
extraArgs[1] = "0";
} else if (outertype == "std::map") {
// We don't want the comparator and the allocator confuse gdb.
// But we need the offset of the second item in the value pair.
// We read the type of the pair from the allocator argument because
// that gets the constness "right" (in the sense that gdb can
// read it back;
QString pairType = inners.at(3);
// remove 'std::allocator<...>':
pairType = pairType.mid(15, pairType.size() - 15 - 2);
extraArgs[2] = "(size_t)&(('" + pairType + "'*)0)->second";
extraArgs[3] = "0";
} else if (outertype == "std::basic_string") {
//qDebug() << "EXTRACT TEMPLATE: " << outertype << inners;
if (inners.at(0) == "char") {
outertype = "std::string";
} else if (inners.at(0) == "wchar_t") {
outertype = "std::wstring";
}
extraArgs[0] = "0";
extraArgs[1] = "0";
extraArgs[2] = "0";
extraArgs[3] = "0";
}
//int protocol = (data.iname.startsWith("watch") && data.type == "QImage") ? 3 : 2;
//int protocol = data.iname.startsWith("watch") ? 3 : 2;
int protocol = 2;
//int protocol = isDisplayedIName(data.iname) ? 3 : 2;
QString addr;
if (data.addr.startsWith("0x"))
addr = "(void*)" + data.addr;
else
addr = "&(" + data.exp + ")";
QByteArray params;
params.append(outertype.toUtf8());
params.append('\0');
params.append(data.iname.toUtf8());
params.append('\0');
params.append(data.exp.toUtf8());
params.append('\0');
params.append(inner.toUtf8());
params.append('\0');
params.append(data.iname.toUtf8());
params.append('\0');
sendWatchParameters(params);
QString cmd ="call "
+ QString("qDumpObjectData440(")
+ QString::number(protocol)
+ ',' + "%1+1" // placeholder for token
+ ',' + addr
+ ',' + (dumpChildren ? "1" : "0")
+ ',' + extraArgs[0]
+ ',' + extraArgs[1]
+ ',' + extraArgs[2]
+ ',' + extraArgs[3] + ')';
//qDebug() << "CMD: " << cmd;
QVariant var;
var.setValue(data);
sendSynchronizedCommand(cmd, WatchDumpCustomValue1, var);
q->showStatusMessage(
tr("Retrieving data for watch view (%1 requests pending)...")
.arg(m_pendingRequests + 1), 10000);
// retrieve response
sendSynchronizedCommand("p (char*)qDumpOutBuffer", WatchDumpCustomValue2, var);
}
void GdbEngine::createGdbVariable(const WatchData &data)