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debugger: fix host/target confusion in some cases

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This commit is contained in:
hjk
2011-03-24 14:21:52 +01:00
parent f5f134af38
commit 66413d9ab8
1 changed files with 97 additions and 117 deletions
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214
src/plugins/debugger/gdb/gdbengine.cpp
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@@ -1003,15 +1003,13 @@ void GdbEngine::handleResultRecord(GdbResponse *response)
// (response->resultClass == GdbResultDone && (cmd.flags & RunRequest));
if (!isExpectedResult) {
#ifdef Q_OS_WIN
// Ignore spurious 'running' responses to 'attach'
const bool warning = !((startParameters().startMode == AttachExternal
|| startParameters().useTerminal)
&& cmd.command.startsWith("attach"));
#else
const bool warning = true;
#endif
if (warning) {
const DebuggerStartParameters &sp = startParameters();
if (sp.toolChainAbi.os() == Abi::WindowsOS
&& cmd.command.startsWith("attach")
&& (sp.startMode == AttachExternal || sp.useTerminal))
{
// Ignore spurious 'running' responses to 'attach'.
} else {
QByteArray rsp = GdbResponse::stringFromResultClass(response->resultClass);
rsp = "UNEXPECTED RESPONSE '" + rsp + "' TO COMMAND '" + cmd.command + "'";
qWarning() << rsp << " AT " __FILE__ ":" STRINGIFY(__LINE__);
@@ -1194,14 +1192,6 @@ void GdbEngine::handleAqcuiredInferior()
}
#endif
#ifdef Q_OS_UNIX
# define STOP_SIGNAL "SIGINT"
# define CROSS_STOP_SIGNAL "SIGTRAP"
#else
# define STOP_SIGNAL "SIGTRAP"
# define CROSS_STOP_SIGNAL "SIGINT"
#endif
void GdbEngine::handleStopResponse(const GdbMi &data)
{
// This is gdb 7+'s initial *stopped in response to attach.
@@ -1307,9 +1297,7 @@ void GdbEngine::handleStopResponse(const GdbMi &data)
notifyInferiorStopOk();
}
// FIXME: Replace the #ifdef by the "target" architecture.
#ifdef Q_OS_LINUX
if (!m_entryPoint.isEmpty()) {
if (startParameters().toolChainAbi.os() == Abi::LinuxOS && !m_entryPoint.isEmpty()) {
// This is needed as long as we support stock gdb 6.8.
if (frame.findChild("addr").data() == m_entryPoint) {
// There are two expected reasons for getting here:
@@ -1330,9 +1318,6 @@ void GdbEngine::handleStopResponse(const GdbMi &data)
// We are past the initial stop(s). No need to waste time on further checks.
m_entryPoint.clear();
}
#endif
//qDebug() << "STOP: " << m_qmlBreakpointNumbers;
if (isQmlStepBreakpoint1(bkptno))
return;
@@ -1340,6 +1325,11 @@ void GdbEngine::handleStopResponse(const GdbMi &data)
handleStop0(data);
}
static QByteArray stopSignal(Abi abi)
{
return (abi.os() == Abi::WindowsOS) ? QByteArray("SIGTRAP") : QByteArray("SIGINT");
}
void GdbEngine::handleStop0(const GdbMi &data)
{
#if 0 // See http://vladimir_prus.blogspot.com/2007/12/debugger-stories-pending-breakpoints.html
@@ -1435,10 +1425,9 @@ void GdbEngine::handleStop0(const GdbMi &data)
if (initHelpers
&& m_gdbAdapter->dumperHandling() != AbstractGdbAdapter::DumperLoadedByGdbPreload
&& reason == "signal-received") {
QByteArray name = data.findChild("signal-name").data();
if (name != STOP_SIGNAL
&& (startParameters().startMode != AttachToRemote
|| name != CROSS_STOP_SIGNAL))
const QByteArray name = data.findChild("signal-name").data();
const DebuggerStartParameters &sp = startParameters();
if (name != stopSignal(sp.toolChainAbi))
initHelpers = false;
}
if (isSynchronous())
@@ -1467,17 +1456,20 @@ void GdbEngine::handleStop1(const GdbMi &data)
return;
}
QByteArray reason = data.findChild("reason").data();
const QByteArray reason = data.findChild("reason").data();
const DebuggerStartParameters &sp = startParameters();
const Abi abi = sp.toolChainAbi;
#ifdef Q_OS_WIN
if (startParameters().useTerminal && reason == "signal-received"
&& data.findChild("signal-name").data() == "SIGTRAP") {
if (abi.os() == Abi::WindowsOS
&& sp.useTerminal
&& reason == "signal-received"
&& data.findChild("signal-name").data() == "SIGTRAP")
{
// Command line start up trap
showMessage(_("INTERNAL CONTINUE"), LogMisc);
continueInferiorInternal();
return;
}
#endif
// This is for display only.
if (m_modulesListOutdated)
@@ -1528,11 +1520,8 @@ void GdbEngine::handleStop1(const GdbMi &data)
QByteArray meaning = data.findChild("signal-meaning").data();
// Ignore these as they are showing up regularly when
// stopping debugging.
if (name == STOP_SIGNAL) {
showMessage(_(STOP_SIGNAL " CONSIDERED HARMLESS. CONTINUING."));
} else if (startParameters().startMode == AttachToRemote
&& name == CROSS_STOP_SIGNAL) {
showMessage(_(CROSS_STOP_SIGNAL " CONSIDERED HARMLESS. CONTINUING."));
if (name == stopSignal(sp.toolChainAbi)) {
showMessage(_(name + " CONSIDERED HARMLESS. CONTINUING."));
} else {
showMessage(_("HANDLING SIGNAL" + name));
if (debuggerCore()->boolSetting(UseMessageBoxForSignals))
@@ -1640,20 +1629,19 @@ void GdbEngine::handleHasPython(const GdbResponse &response)
void GdbEngine::pythonDumpersFailed()
{
m_hasPython = false;
if (m_gdbAdapter->dumperHandling()
== AbstractGdbAdapter::DumperLoadedByGdbPreload
const DebuggerStartParameters &sp = startParameters();
if (m_gdbAdapter->dumperHandling() == AbstractGdbAdapter::DumperLoadedByGdbPreload
&& checkDebuggingHelpersClassic()) {
#ifdef Q_OS_MAC
const char * const LD_PRELOAD_ENV_VAR = "DYLD_INSERT_LIBRARIES";
#else
const char * const LD_PRELOAD_ENV_VAR = "LD_PRELOAD";
#endif
QByteArray cmd = "set environment ";
cmd += LD_PRELOAD_ENV_VAR;
if (sp.toolChainAbi.os() == Abi::MacOS)
cmd += "DYLD_INSERT_LIBRARIES";
else
cmd += "LD_PRELOAD";
cmd += ' ';
cmd += startParameters().startMode == StartRemoteGdb
? startParameters().remoteDumperLib
: qtDumperLibraryName().toLocal8Bit();
if (sp.startMode == StartRemoteGdb)
cmd += sp.remoteDumperLib;
else
cmd += qtDumperLibraryName().toLocal8Bit();
postCommand(cmd);
m_debuggingHelperState = DebuggingHelperLoadTried;
}
@@ -1704,14 +1692,16 @@ QString GdbEngine::fullName(const QString &fileName)
QString GdbEngine::cleanupFullName(const QString &fileName)
{
QString cleanFilePath = fileName;
#ifdef Q_OS_WIN
QTC_ASSERT(!fileName.isEmpty(), return QString())
// Gdb on windows often delivers "fullnames" which
// (a) have no drive letter and (b) are not normalized.
QFileInfo fi(fileName);
if (fi.isReadable())
cleanFilePath = QDir::cleanPath(fi.absoluteFilePath());
#endif
const Abi abi = startParameters().toolChainAbi;
if (abi.os() == Abi::WindowsOS) {
QTC_ASSERT(!fileName.isEmpty(), return QString())
// Gdb on windows often delivers "fullnames" which
// (a) have no drive letter and (b) are not normalized.
QFileInfo fi(fileName);
if (fi.isReadable())
cleanFilePath = QDir::cleanPath(fi.absoluteFilePath());
}
if (startMode() == StartRemoteGdb) {
cleanFilePath.replace(0, startParameters().remoteMountPoint.length(),
startParameters().localMountDir);
@@ -1821,7 +1811,7 @@ int GdbEngine::currentFrame() const
return stackHandler()->currentIndex();
}
QString msgNoGdbBinaryForToolChain(const ProjectExplorer::Abi &tc)
QString msgNoGdbBinaryForToolChain(const Abi &tc)
{
return GdbEngine::tr("There is no gdb binary available for binaries in format '%1'")
.arg(tc.toString());
@@ -1830,7 +1820,7 @@ QString msgNoGdbBinaryForToolChain(const ProjectExplorer::Abi &tc)
AbstractGdbAdapter *GdbEngine::createAdapter()
{
const DebuggerStartParameters &sp = startParameters();
if (sp.toolChainAbi.os() == ProjectExplorer::Abi::SymbianOS) {
if (sp.toolChainAbi.os() == Abi::SymbianOS) {
// FIXME: 1 of 3 testing hacks.
if (sp.debugClient == DebuggerStartParameters::DebugClientCoda)
return new CodaGdbAdapter(this);
@@ -2259,13 +2249,10 @@ QByteArray GdbEngine::breakpointLocation(BreakpointId id)
return "__cxa_throw";
if (data.type == BreakpointAtCatch)
return "__cxa_begin_catch";
if (data.type == BreakpointAtMain)
#ifdef Q_OS_WIN
// FIXME: Should be target specific.
return "qMain";
#else
return "main";
#endif
if (data.type == BreakpointAtMain) {
const Abi abi = startParameters().toolChainAbi;
return (abi.os() == Abi::WindowsOS) ? "qMain" : "main";
}
if (data.type == BreakpointByFunction)
return data.functionName.toUtf8();
if (data.type == BreakpointByAddress)
@@ -2944,7 +2931,7 @@ void GdbEngine::handleModulesList(const GdbResponse &response)
Modules modules;
if (response.resultClass == GdbResultDone) {
// That's console-based output, likely Linux or Windows,
// but we can avoid the #ifdef here.
// but we can avoid the target dependency here.
QString data = QString::fromLocal8Bit(
response.data.findChild("consolestreamoutput").data());
QTextStream ts(&data, QIODevice::ReadOnly);
@@ -4309,14 +4296,9 @@ static QString gdbBinary(const DebuggerStartParameters &sp)
return QString::fromLocal8Bit(envBinary);
// 2) Command explicitly specified.
if (!sp.debuggerCommand.isEmpty()) {
#ifdef Q_OS_WIN
// Do not use a CDB binary if we got started for a project with MSVC runtime.
const bool abiMatch = sp.toolChainAbi.os() != ProjectExplorer::Abi::WindowsOS
|| sp.toolChainAbi.osFlavor() == ProjectExplorer::Abi::WindowsMSysFlavor;
#else
const bool abiMatch = true;
#endif
if (abiMatch)
const Abi abi = sp.toolChainAbi;
if (abi.os() != Abi::WindowsOS || abi.osFlavor() == Abi::WindowsMSysFlavor)
return sp.debuggerCommand;
}
// 3) Find one from tool chains.
@@ -4328,20 +4310,18 @@ bool checkGdbConfiguration(const DebuggerStartParameters &sp, ConfigurationCheck
const QString binary = gdbBinary(sp);
if (gdbBinary(sp).isEmpty()) {
check->errorDetails.push_back(msgNoGdbBinaryForToolChain(sp.toolChainAbi));
check->settingsCategory = QLatin1String(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
check->settingsPage = QLatin1String(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
check->settingsCategory = _(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
check->settingsPage = _(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
return false;
}
#ifdef Q_OS_WIN
if (sp.toolChainAbi.os() == Abi::WindowsOS && !QFileInfo(binary).isAbsolute()) {
// See initialization below, we need an absolute path to be able to locate Python on Windows.
if (!QFileInfo(binary).isAbsolute()) {
check->errorDetails.push_back(GdbEngine::tr("The gdb location must be given as an "
"absolute path in the debugger settings (%1).").arg(binary));
check->settingsCategory = QLatin1String(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
check->settingsPage = QLatin1String(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
"absolute path in the debugger settings (%1).").arg(binary));
check->settingsCategory = _(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
check->settingsPage = _(ProjectExplorer::Constants::TOOLCHAIN_SETTINGS_CATEGORY);
return false;
}
#endif
return true;
}
@@ -4368,46 +4348,46 @@ bool GdbEngine::startGdb(const QStringList &args, const QString &settingsIdHint)
gdbArgs << _("-n");
gdbArgs += args;
#ifdef Q_OS_WIN
// Set python path. By convention, python is located below gdb executable.
// Extend the environment set on the process in startAdapter().
const QFileInfo fi(m_gdb);
QTC_ASSERT(fi.isAbsolute(), return false; )
if (sp.toolChainAbi.osFlavor() == Abi::WindowsMSysFlavor) {
// Set python path. By convention, python is located below gdb executable.
// Extend the environment set on the process in startAdapter().
const QFileInfo fi(m_gdb);
QTC_ASSERT(fi.isAbsolute(), return false; )
const QString winPythonVersion = _(winPythonVersionC);
const QDir dir = fi.absoluteDir();
const QString winPythonVersion = _(winPythonVersionC);
const QDir dir = fi.absoluteDir();
QProcessEnvironment environment = gdbProc()->processEnvironment();
const QString pythonPathVariable = _("PYTHONPATH");
QString pythonPath;
QProcessEnvironment environment = gdbProc()->processEnvironment();
const QString pythonPathVariable = _("PYTHONPATH");
QString pythonPath;
const QString environmentPythonPath = environment.value(pythonPathVariable);
if (dir.exists(winPythonVersion)) {
pythonPath = QDir::toNativeSeparators(dir.absoluteFilePath(winPythonVersion));
} else if (dir.exists(_("lib"))) {
// Needed for our gdb 7.2 packages
pythonPath = QDir::toNativeSeparators(dir.absoluteFilePath(_("lib")));
} else {
pythonPath = environmentPythonPath;
const QString environmentPythonPath = environment.value(pythonPathVariable);
if (dir.exists(winPythonVersion)) {
pythonPath = QDir::toNativeSeparators(dir.absoluteFilePath(winPythonVersion));
} else if (dir.exists(_("lib"))) {
// Needed for our gdb 7.2 packages
pythonPath = QDir::toNativeSeparators(dir.absoluteFilePath(_("lib")));
} else {
pythonPath = environmentPythonPath;
}
if (pythonPath.isEmpty()) {
const QString nativeGdb = QDir::toNativeSeparators(m_gdb);
showMessage(_("GDB %1 CANNOT FIND THE PYTHON INSTALLATION.").arg(nativeGdb));
showStatusMessage(_("%1 cannot find python").arg(nativeGdb));
const QString msg = tr("The gdb installed at %1 cannot "
"find a valid python installation in its %2 subdirectory.\n"
"You may set the environment variable PYTHONPATH to point to your installation.")
.arg(nativeGdb).arg(winPythonVersion);
handleAdapterStartFailed(msg, settingsIdHint);
return false;
}
showMessage(_("Python path: %1").arg(pythonPath), LogMisc);
// Apply to process
if (pythonPath != environmentPythonPath) {
environment.insert(pythonPathVariable, pythonPath);
gdbProc()->setProcessEnvironment(environment);
}
}
if (pythonPath.isEmpty()) {
const QString nativeGdb = QDir::toNativeSeparators(m_gdb);
showMessage(_("GDB %1 CANNOT FIND THE PYTHON INSTALLATION.").arg(nativeGdb));
showStatusMessage(_("%1 cannot find python").arg(nativeGdb));
const QString msg = tr("The gdb installed at %1 cannot "
"find a valid python installation in its %2 subdirectory.\n"
"You may set the environment variable PYTHONPATH to point to your installation.")
.arg(nativeGdb).arg(winPythonVersion);
handleAdapterStartFailed(msg, settingsIdHint);
return false;
}
showMessage(_("Python path: %1").arg(pythonPath), LogMisc);
// Apply to process
if (pythonPath != environmentPythonPath) {
environment.insert(pythonPathVariable, pythonPath);
gdbProc()->setProcessEnvironment(environment);
}
#endif
connect(gdbProc(), SIGNAL(error(QProcess::ProcessError)),
SLOT(handleGdbError(QProcess::ProcessError)));