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Debugger: Split remote and local attach handlers

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Called with different timing, no real shared code currently.

Change-Id: I5a8cc32c5f38f533acfa4512518fb51932d8aab2
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
hjk
2021-01-06 17:06:45 +01:00
parent 0cb171ac96
commit 1df9951d03
2 changed files with 62 additions and 64 deletions
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123
src/plugins/debugger/gdb/gdbengine.cpp
View File

@@ -4200,7 +4200,7 @@ void GdbEngine::runEngine()
const qint64 pid = rp.attachPID.pid();
showStatusMessage(tr("Attaching to process %1.").arg(pid));
runCommand({"attach " + QString::number(pid),
[this](const DebuggerResponse &r) { handleAttach(r); }});
[this](const DebuggerResponse &r) { handleLocalAttach(r); }});
// In some cases we get only output like
// "Could not attach to process. If your uid matches the uid of the target\n"
// "process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try\n"
@@ -4241,74 +4241,71 @@ void GdbEngine::runEngine()
}
}
void GdbEngine::handleAttach(const DebuggerResponse &response)
void GdbEngine::handleLocalAttach(const DebuggerResponse &response)
{
if (isLocalAttachEngine()) {
QTC_ASSERT(state() == EngineRunRequested || state() == InferiorStopOk, qDebug() << state());
switch (response.resultClass) {
case ResultDone:
case ResultRunning:
showMessage("INFERIOR ATTACHED");
if (state() == EngineRunRequested) {
// Happens e.g. for "Attach to unstarted application"
// We will get a '*stopped' later that we'll interpret as 'spontaneous'
// So acknowledge the current state and put a delayed 'continue' in the pipe.
showMessage(tr("Attached to running application."), StatusBar);
notifyEngineRunAndInferiorRunOk();
} else {
// InferiorStopOk, e.g. for "Attach to running application".
// The *stopped came in between sending the 'attach' and
// receiving its '^done'.
notifyEngineRunAndInferiorStopOk();
if (runParameters().continueAfterAttach)
continueInferiorInternal();
else
updateAll();
}
break;
case ResultError:
if (response.data["msg"].data() == "ptrace: Operation not permitted.") {
QString msg = msgPtraceError(runParameters().startMode);
showStatusMessage(tr("Failed to attach to application: %1").arg(msg));
AsynchronousMessageBox::warning(tr("Debugger Error"), msg);
notifyEngineIll();
break;
}
showStatusMessage(tr("Failed to attach to application: %1")
.arg(QString(response.data["msg"].data())));
notifyEngineIll();
break;
default:
showStatusMessage(tr("Failed to attach to application: %1")
.arg(QString(response.data["msg"].data())));
QTC_ASSERT(state() == EngineRunRequested || state() == InferiorStopOk, qDebug() << state());
switch (response.resultClass) {
case ResultDone:
case ResultRunning:
showMessage("INFERIOR ATTACHED");
if (state() == EngineRunRequested) {
// Happens e.g. for "Attach to unstarted application"
// We will get a '*stopped' later that we'll interpret as 'spontaneous'
// So acknowledge the current state and put a delayed 'continue' in the pipe.
showMessage(tr("Attached to running application."), StatusBar);
notifyEngineRunAndInferiorRunOk();
} else {
// InferiorStopOk, e.g. for "Attach to running application".
// The *stopped came in between sending the 'attach' and
// receiving its '^done'.
notifyEngineRunAndInferiorStopOk();
if (runParameters().continueAfterAttach)
continueInferiorInternal();
else
updateAll();
}
break;
case ResultError:
if (response.data["msg"].data() == "ptrace: Operation not permitted.") {
QString msg = msgPtraceError(runParameters().startMode);
showStatusMessage(tr("Failed to attach to application: %1").arg(msg));
AsynchronousMessageBox::warning(tr("Debugger Error"), msg);
notifyEngineIll();
break;
}
showStatusMessage(tr("Failed to attach to application: %1")
.arg(QString(response.data["msg"].data())));
notifyEngineIll();
break;
default:
showStatusMessage(tr("Failed to attach to application: %1")
.arg(QString(response.data["msg"].data())));
notifyEngineIll();
break;
}
}
} else if (isRemoteEngine()) {
CHECK_STATE(EngineSetupRequested);
switch (response.resultClass) {
case ResultDone:
case ResultRunning: {
showMessage("INFERIOR ATTACHED");
showMessage(msgAttachedToStoppedInferior(), StatusBar);
handleInferiorPrepared();
void GdbEngine::handleRemoteAttach(const DebuggerResponse &response)
{
CHECK_STATE(EngineSetupRequested);
switch (response.resultClass) {
case ResultDone:
case ResultRunning: {
showMessage("INFERIOR ATTACHED");
showMessage(msgAttachedToStoppedInferior(), StatusBar);
handleInferiorPrepared();
break;
}
case ResultError:
if (response.data["msg"].data() == "ptrace: Operation not permitted.") {
notifyInferiorSetupFailedHelper(msgPtraceError(runParameters().startMode));
break;
}
case ResultError:
if (response.data["msg"].data() == "ptrace: Operation not permitted.") {
notifyInferiorSetupFailedHelper(msgPtraceError(runParameters().startMode));
break;
}
notifyInferiorSetupFailedHelper(response.data["msg"].data());
break;
default:
notifyInferiorSetupFailedHelper(response.data["msg"].data());
break;
}
notifyInferiorSetupFailedHelper(response.data["msg"].data());
break;
default:
notifyInferiorSetupFailedHelper(response.data["msg"].data());
break;
}
}
@@ -4548,7 +4545,7 @@ void GdbEngine::handleTargetQnx(const DebuggerResponse &response)
const DebuggerRunParameters &rp = runParameters();
if (rp.attachPID.isValid())
runCommand({"attach " + QString::number(rp.attachPID.pid()), CB(handleAttach)});
runCommand({"attach " + QString::number(rp.attachPID.pid()), CB(handleRemoteAttach)});
else if (!rp.inferior.executable.isEmpty())
runCommand({"set nto-executable " + rp.inferior.executable.toString(),
CB(handleSetNtoExecutable)});

3
src/plugins/debugger/gdb/gdbengine.h
View File

@@ -395,7 +395,8 @@ private: ////////// General Interface //////////
void handleFileExecAndSymbols(const DebuggerResponse &response);
// Attach
void handleAttach(const DebuggerResponse &response);
void handleLocalAttach(const DebuggerResponse &response);
void handleRemoteAttach(const DebuggerResponse &response);
// Remote
void callTargetRemote();