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debugger: more modulehandler polishing

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Change-Id: I2382a597783512b566118cccf772ff530cdf9026
Reviewed-by: hjk <qthjk@ovi.com>
This commit is contained in:
hjk
2012-06-02 03:30:21 +02:00
parent e6d4904a62
commit 0394699a4c
5 changed files with 121 additions and 48 deletions
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19
src/plugins/debugger/gdb/classicgdbengine.cpp
View File

@@ -118,17 +118,20 @@ QString DumperHelper::msgPtraceError(DebuggerStartMode sm)
if (sm == StartInternal) {
return QCoreApplication::translate("QtDumperHelper",
"ptrace: Operation not permitted.\n\n"
"Could not attach to the process. Check the settings of\n"
"/proc/sys/kernel/yama/ptrace_scope\n"
"For more details, see/etc/sysctl.d/10-ptrace.conf\n");
} else {
return QCoreApplication::translate("QtDumperHelper",
"ptrace: Operation not permitted.\n\n"
"Could not attach to the process. If your uid matches the uid\n"
"of the target process, check the settings of\n"
"Could not attach to the process. "
"Make sure no other debugger traces this process.\n"
"Check the settings of\n"
"/proc/sys/kernel/yama/ptrace_scope\n"
"For more details, see /etc/sysctl.d/10-ptrace.conf\n");
}
return QCoreApplication::translate("QtDumperHelper",
"ptrace: Operation not permitted.\n\n"
"Could not attach to the process. "
"Make sure no other debugger traces this process.\n"
"If your uid matches the uid\n"
"of the target process, check the settings of\n"
"/proc/sys/kernel/yama/ptrace_scope\n"
"For more details, see /etc/sysctl.d/10-ptrace.conf\n");
}
static inline void formatQtVersion(int v, QTextStream &str)

74
src/plugins/debugger/gdb/gdbengine.cpp
View File

@@ -483,11 +483,24 @@ void GdbEngine::handleResponse(const QByteArray &buff)
// target-name="/usr/lib/libdrm.so.2",
// host-name="/usr/lib/libdrm.so.2",
// symbols-loaded="0"
// id="/lib/i386-linux-gnu/libc.so.6"
// target-name="/lib/i386-linux-gnu/libc.so.6"
// host-name="/lib/i386-linux-gnu/libc.so.6"
// symbols-loaded="0",thread-group="i1"
QByteArray id = result.findChild("id").data();
if (!id.isEmpty())
showStatusMessage(tr("Library %1 loaded").arg(_(id)), 1000);
progressPing();
invalidateSourcesList();
Module module;
module.startAddress = 0;
module.endAddress = 0;
module.hostPath = _(result.findChild("host-name").data());
module.modulePath = _(result.findChild("target-name").data());
module.moduleName = QFileInfo(module.hostPath).baseName();
examineModule(&module);
modulesHandler()->addModule(module);
} else if (asyncClass == "library-unloaded") {
// Archer has 'id="/usr/lib/libdrm.so.2",
// target-name="/usr/lib/libdrm.so.2",
@@ -1676,10 +1689,6 @@ void GdbEngine::handleStop2(const GdbMi &data)
isStopperThread = true;
}
// This is for display only.
if (m_modulesListOutdated)
reloadModulesInternal();
if (m_breakListOutdated) {
reloadBreakListInternal();
} else {
@@ -3353,7 +3362,7 @@ void GdbEngine::loadSymbolsForStack()
}
}
if (needUpdate) {
reloadModulesInternal();
//reloadModulesInternal();
reloadBreakListInternal();
reloadStack(true);
updateLocals();
@@ -3442,7 +3451,6 @@ void GdbEngine::reloadModules()
void GdbEngine::reloadModulesInternal()
{
m_modulesListOutdated = false;
postCommand("info shared", NeedsStop, CB(handleModulesList));
}
@@ -3453,15 +3461,16 @@ static QString nameFromPath(const QString &path)
void GdbEngine::handleModulesList(const GdbResponse &response)
{
Modules modules;
if (response.resultClass == GdbResultDone) {
ModulesHandler *handler = modulesHandler();
Module module;
// That's console-based output, likely Linux or Windows,
// but we can avoid the target dependency here.
QString data = QString::fromLocal8Bit(response.consoleStreamOutput);
QTextStream ts(&data, QIODevice::ReadOnly);
bool found = false;
while (!ts.atEnd()) {
QString line = ts.readLine();
Module module;
QString symbolsRead;
QTextStream ts(&line, QIODevice::ReadOnly);
if (line.startsWith(QLatin1String("0x"))) {
@@ -3470,7 +3479,9 @@ void GdbEngine::handleModulesList(const GdbResponse &response)
module.moduleName = nameFromPath(module.modulePath);
module.symbolsRead =
(symbolsRead == QLatin1String("Yes") ? Module::ReadOk : Module::ReadFailed);
modules.append(module);
examineModule(&module);
handler->updateModule(module);
found = true;
} else if (line.trimmed().startsWith(QLatin1String("No"))) {
// gdb 6.4 symbianelf
ts >> symbolsRead;
@@ -3479,17 +3490,18 @@ void GdbEngine::handleModulesList(const GdbResponse &response)
module.endAddress = 0;
module.modulePath = ts.readLine().trimmed();
module.moduleName = nameFromPath(module.modulePath);
modules.append(module);
examineModule(&module);
handler->updateModule(module);
found = true;
}
}
if (modules.isEmpty()) {
if (!found) {
// Mac has^done,shlib-info={num="1",name="dyld",kind="-",
// dyld-addr="0x8fe00000",reason="dyld",requested-state="Y",
// state="Y",path="/usr/lib/dyld",description="/usr/lib/dyld",
// loaded_addr="0x8fe00000",slide="0x0",prefix="__dyld_"},
// shlib-info={...}...
foreach (const GdbMi &item, response.data.children()) {
Module module;
module.modulePath =
QString::fromLocal8Bit(item.findChild("path").data());
module.moduleName = nameFromPath(module.modulePath);
@@ -3498,25 +3510,34 @@ void GdbEngine::handleModulesList(const GdbResponse &response)
module.startAddress =
item.findChild("loaded_addr").data().toULongLong(0, 0);
module.endAddress = 0; // FIXME: End address not easily available.
modules.append(module);
examineModule(&module);
handler->updateModule(module);
}
}
}
modulesHandler()->setModules(modules);
}
void GdbEngine::examineModule(Module *module)
{
Utils::ElfReader reader(module->modulePath);
QList<QByteArray> names = reader.sectionNames();
if (names.contains(".gdb_index"))
module->symbolsType = Module::FastSymbols;
else if (names.contains(".debug_inf"))
module->symbolsType = Module::PlainSymbols;
else if (names.contains(".gnu_debuglink"))
module->symbolsType = Module::SeparateSymbols;
else
module->symbolsType = Module::NoSymbols;
}
void GdbEngine::examineModules()
{
ModulesHandler *handler = modulesHandler();
foreach (Module module, handler->modules()) {
if (module.symbolsType == Module::UnknownType) {
Utils::ElfReader reader(module.modulePath);
QList<QByteArray> names = reader.sectionNames();
if (names.contains(".gdb_index"))
module.symbolsType = Module::FastSymbols;
else
module.symbolsType = Module::PlainSymbols;
handler->updateModule(module);
if (module.symbolsType == Module::UnknownSymbols) {
examineModule(&module);
modulesHandler()->updateModule(module);
}
}
}
@@ -3529,7 +3550,6 @@ void GdbEngine::examineModules()
void GdbEngine::invalidateSourcesList()
{
m_modulesListOutdated = true;
m_breakListOutdated = true;
}
@@ -5003,6 +5023,13 @@ void GdbEngine::handleAdapterStarted()
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
showMessage(_("ADAPTER SUCCESSFULLY STARTED"));
notifyEngineSetupOk();
Module module;
module.startAddress = 0;
module.endAddress = 0;
module.modulePath = startParameters().executable;
module.moduleName = QLatin1String("<executable>");
modulesHandler()->addModule(module);
}
void GdbEngine::setupInferior()
@@ -5363,6 +5390,7 @@ void GdbEngine::checkForReleaseBuild()
interesting.append(".gdb_index");
interesting.append(".note.gnu.build-id");
interesting.append(".gnu.hash");
interesting.append(".gnu_debuglink");
}
QSet<QByteArray> seen;

4
src/plugins/debugger/gdb/gdbengine.h
View File

@@ -63,6 +63,7 @@ class DebugInfoTaskHandler;
class GdbResponse;
class GdbMi;
class GdbToolTipContext;
class Module;
class WatchData;
class DisassemblerAgentCookie;
@@ -513,12 +514,11 @@ private: ////////// View & Data Stuff //////////
void requestModuleSymbols(const QString &moduleName);
void reloadModules();
void examineModules();
void examineModule(Module *module);
void reloadModulesInternal();
void handleModulesList(const GdbResponse &response);
void handleShowModuleSymbols(const GdbResponse &response);
bool m_modulesListOutdated;
//
// Snapshot specific stuff
//

47
src/plugins/debugger/moduleshandler.cpp
View File

@@ -124,13 +124,49 @@ QVariant ModulesModel::data(const QModelIndex &index, int role) const
case 3:
if (role == Qt::DisplayRole)
switch (module.symbolsType) {
case Module::UnknownType: return ModulesHandler::tr("unknown");
case Module::PlainSymbols: return ModulesHandler::tr("plain");
case Module::FastSymbols: return ModulesHandler::tr("fast");
case Module::UnknownSymbols:
return ModulesHandler::tr("unknown");
case Module::NoSymbols:
return ModulesHandler::tr("none");
case Module::PlainSymbols:
return ModulesHandler::tr("plain");
case Module::FastSymbols:
return ModulesHandler::tr("fast");
case Module::SeparateSymbols:
return ModulesHandler::tr("separate");
}
else if (role == Qt::ToolTipRole)
switch (module.symbolsType) {
case Module::UnknownSymbols:
return ModulesHandler::tr(
"It is unknown whether this module contains debug "
"information.\nUse \"Examine Symbols\" from the "
"context menu to initiate a check.");
case Module::NoSymbols:
return ModulesHandler::tr(
"This module neither contains nor references debug "
"information.\nStepping into the module or setting "
"breakpoints by file and line will not work.");
case Module::PlainSymbols:
return ModulesHandler::tr(
"This module contains debug information.\nStepping "
"into the module or setting breakpoints by file and "
"is expected to work.");
case Module::FastSymbols:
return ModulesHandler::tr(
"This module contains debug information.\nStepping "
"into the module or setting breakpoints by file and "
"is expected to work.");
case Module::SeparateSymbols:
return ModulesHandler::tr(
"This module does not contains debug information "
"itself, but contains a reference to external "
"debug information.");
}
break;
case 4:
if (role == Qt::DisplayRole)
if (module.startAddress)
return QString(QLatin1String("0x")
+ QString::number(module.startAddress, 16));
break;
@@ -189,10 +225,13 @@ void ModulesModel::removeModule(const QString &modulePath)
void ModulesModel::updateModule(const Module &module)
{
const int row = indexOfModule(module.modulePath);
QTC_ASSERT(row != -1, return);
if (row == -1) {
addModule(module);
} else {
m_modules[row] = module;
dataChanged(index(row, 0, QModelIndex()), index(row, 4, QModelIndex()));
}
}
//////////////////////////////////////////////////////////////////
//

7
src/plugins/debugger/moduleshandler.h
View File

@@ -73,7 +73,7 @@ typedef QVector<Symbol> Symbols;
class Module
{
public:
Module() : symbolsRead(UnknownReadState), symbolsType(UnknownType) {}
Module() : symbolsRead(UnknownReadState), symbolsType(UnknownSymbols) {}
public:
enum SymbolReadState {
@@ -82,12 +82,15 @@ public:
ReadOk // Dwarf index available.
};
enum SymbolType {
UnknownType, // Unknown.
UnknownSymbols, // Unknown.
NoSymbols, // No usable symbols.
SeparateSymbols, // Symbols mentioned, but not in binary.
PlainSymbols, // Ordinary symbols available.
FastSymbols // Dwarf index available.
};
QString moduleName;
QString modulePath;
QString hostPath;
SymbolReadState symbolsRead;
SymbolType symbolsType;
quint64 startAddress;