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debugger: handle failure of -exec-step gracefully if debug information is

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missing.
This commit is contained in:
hjk
2009-10-05 08:56:02 +02:00
parent dd09a4a16d
commit 5ab3be8cc4
1 changed files with 27 additions and 13 deletions
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40
src/plugins/debugger/gdb/gdbengine.cpp
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@@ -793,24 +793,38 @@ void GdbEngine::handleResultRecord(const GdbResponse &response)
return;
if (!m_cookieForToken.contains(token)) {
// In theory this should not happen, in practice it does.
// In theory this should not happen (rather the error should be
// reported in the "first" response to the command) in practice it
// does. We try to handle a few situations we are aware of gracefully.
// Ideally, this code should not be present at all.
debugMessage(_("COOKIE FOR TOKEN %1 ALREADY EATEN. "
"TWO RESPONSES FOR ONE COMMAND?").arg(token));
if (response.resultClass == GdbResultError) {
QByteArray msg = response.data.findChild("msg").data();
showMessageBox(QMessageBox::Critical,
tr("Executable failed"), QString::fromLocal8Bit(msg));
showStatusMessage(tr("Process failed to start."));
// Handle a case known to occur on Linux/gdb 6.8 when debugging moc
// with helpers enabled. In this case we get a second response with
// msg="Cannot find new threads: generic error"
if (msg == "Cannot find new threads: generic error")
if (msg == "Cannot find new threads: generic error") {
// Handle a case known to occur on Linux/gdb 6.8 when debugging moc
// with helpers enabled. In this case we get a second response with
// msg="Cannot find new threads: generic error"
showMessageBox(QMessageBox::Critical,
tr("Executable failed"), QString::fromLocal8Bit(msg));
showStatusMessage(tr("Process failed to start."));
shutdown();
// Handle a case known to appear on gdb 6.4 symbianelf when
// the stack is cut due to access to protected memory.
if (msg == "\"finish\" not meaningful in the outermost frame.") {
} else if (msg == "\"finish\" not meaningful in the outermost frame.") {
// Handle a case known to appear on gdb 6.4 symbianelf when
// the stack is cut due to access to protected memory.
setState(InferiorStopping);
setState(InferiorStopped);
} else if (msg.startsWith("Cannot find bounds of current function")) {
// Happens when running "-exec-next" in a function for which
// there is no debug information. Divert to "-exec-next-step"
setState(InferiorStopping);
setState(InferiorStopped);
nextIExec();
} else {
showMessageBox(QMessageBox::Critical,
tr("Executable failed"), QString::fromLocal8Bit(msg));
showStatusMessage(tr("Executable failed: %1")
.arg(QString::fromLocal8Bit(msg)));
}
}
return;
@@ -1367,8 +1381,8 @@ void GdbEngine::handleExecContinue(const GdbResponse &response)
QTC_ASSERT(state() == InferiorRunning, /**/);
} else if (response.resultClass == GdbResultError) {
QTC_ASSERT(state() == InferiorRunningRequested, /**/);
const QByteArray &msg = response.data.findChild("msg").data();
if (msg == "Cannot find bounds of current function") {
QByteArray msg = response.data.findChild("msg").data();
if (msg.startsWith("Cannot find bounds of current function")) {
setState(InferiorStopped);
showStatusMessage(tr("Stopped."), 5000);
//showStatusMessage(tr("No debug information available. "