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debugger: give access to the section names in a shared object

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Via context menu in the modules view, gdb-only for now.

Change-Id: I1163540cd9894c52243bb1bf0c2afc881e793863
Reviewed-by: hjk <qthjk@ovi.com>
This commit is contained in:
hjk
2012-11-07 18:31:17 +01:00
parent 6c6400b7b8
commit 6841976aa8
9 changed files with 119 additions and 4 deletions
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52
src/plugins/debugger/gdb/gdbengine.cpp
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@@ -2128,6 +2128,7 @@ bool GdbEngine::hasCapability(unsigned cap) const
| AddWatcherCapability
| WatchWidgetsCapability
| ShowModuleSymbolsCapability
| ShowModuleSectionsCapability
| CatchCapability
| OperateByInstructionCapability
| RunToLineCapability
@@ -3325,7 +3326,7 @@ void GdbEngine::handleShowModuleSymbols(const GdbResponse &response)
const QString modulePath = cookie.section(QLatin1Char('@'), 0, 0);
const QString fileName = cookie.section(QLatin1Char('@'), 1, 1);
if (response.resultClass == GdbResultDone) {
Symbols rc;
Symbols symbols;
QFile file(fileName);
file.open(QIODevice::ReadOnly);
// Object file /opt/dev/qt/lib/libQtNetworkMyns.so.4:
@@ -3369,17 +3370,62 @@ void GdbEngine::handleShowModuleSymbols(const GdbResponse &response)
symbol.name = _(line.mid(posName, lenName));
symbol.section = _(line.mid(posSection, lenSection));
symbol.demangled = _(line.mid(posDemangled, lenDemangled));
rc.push_back(symbol);
symbols.push_back(symbol);
}
file.close();
file.remove();
debuggerCore()->showModuleSymbols(modulePath, rc);
debuggerCore()->showModuleSymbols(modulePath, symbols);
} else {
showMessageBox(QMessageBox::Critical, tr("Cannot Read Symbols"),
tr("Cannot read symbols for module \"%1\".").arg(fileName));
}
}
void GdbEngine::requestModuleSections(const QString &moduleName)
{
// There seems to be no way to get the symbols from a single .so.
postCommand("maint info section ALLOBJ",
NeedsStop, CB(handleShowModuleSections), moduleName);
}
void GdbEngine::handleShowModuleSections(const GdbResponse &response)
{
// ~" Object file: /usr/lib/i386-linux-gnu/libffi.so.6\n"
// ~" 0xb44a6114->0xb44a6138 at 0x00000114: .note.gnu.build-id ALLOC LOAD READONLY DATA HAS_CONTENTS\n"
if (response.resultClass == GdbResultDone) {
const QString moduleName = response.cookie.toString();
const QStringList lines = QString::fromLocal8Bit(response.consoleStreamOutput).split(QLatin1Char('\n'));
const QString prefix = QLatin1String(" Object file: ");
const QString needle = prefix + moduleName;
Sections sections;
bool active = false;
foreach (const QString &line, lines) {
if (line.startsWith(prefix)) {
if (active)
break;
if (line == needle)
active = true;
} else {
if (active) {
QStringList items = line.split(QLatin1Char(' '), QString::SkipEmptyParts);
QString fromTo = items.value(0, QString());
const int pos = fromTo.indexOf(QLatin1Char('-'));
QTC_ASSERT(pos >= 0, continue);
Section section;
section.from = fromTo.left(pos);
section.to = fromTo.mid(pos + 2);
section.address = items.value(2, QString());
section.name = items.value(3, QString());
section.flags = items.value(4, QString());
sections.append(section);
}
}
}
if (!sections.isEmpty())
debuggerCore()->showModuleSections(moduleName, sections);
}
}
void GdbEngine::reloadModules()
{
if (state() == InferiorRunOk || state() == InferiorStopOk)