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debugger: make gdb-6.8-symbianelf work

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This commit is contained in:
hjk
2009-12-18 16:25:59 +01:00
parent 3023495c71
commit 9ad447b8a4
5 changed files with 137 additions and 45 deletions
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149
src/plugins/debugger/gdb/trkgdbadapter.cpp
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@@ -147,6 +147,7 @@ void Snapshot::reset()
memory.clear();
for (int i = 0; i < RegisterCount; ++i)
registers[i] = 0;
registerValid = false;
wantedMemory = MemoryRange();
}
@@ -197,9 +198,11 @@ TrkGdbAdapter::TrkGdbAdapter(GdbEngine *engine, const TrkOptionsPtr &options) :
m_running(false),
m_trkDevice(new trk::TrkDevice),
m_gdbAckMode(true),
m_verbose(0),
m_bufferedMemoryRead(true)
m_verbose(0)
{
m_bufferedMemoryRead = false;
m_bufferedMemoryRead = true;
const QByteArray trkVerbose = qgetenv("QTC_TRK_VERBOSE");
if (!trkVerbose.isEmpty()) {
bool ok;
@@ -210,6 +213,7 @@ TrkGdbAdapter::TrkGdbAdapter(GdbEngine *engine, const TrkOptionsPtr &options) :
m_gdbServer = 0;
m_gdbConnection = 0;
m_snapshot.reset();
#ifdef Q_OS_WIN
const DWORD portOffset = GetCurrentProcessId() % 100;
#else
@@ -388,11 +392,11 @@ void TrkGdbAdapter::slotEmitDelayedInferiorStartFailed()
void TrkGdbAdapter::logMessage(const QString &msg)
{
if (m_verbose) {
#ifdef STANDALONE_RUNNER
emit output(msg);
#else
m_engine->debugMessage(msg);
#endif
//#ifdef STANDALONE_RUNNER
// emit output(msg);
//#else
m_engine->debugMessage("TRK LOG: " + msg);
//#endif
}
}
@@ -629,9 +633,15 @@ void TrkGdbAdapter::handleGdbServerCommand(const QByteArray &cmd)
else if (cmd == "g") {
// Read general registers.
logMessage(msgGdbPacket(QLatin1String("Read registers")));
sendGdbServerAck();
reportRegisters();
if (m_snapshot.registerValid) {
logMessage(msgGdbPacket(QLatin1String("Read registers")));
sendGdbServerAck();
reportRegisters();
} else {
sendTrkMessage(0x12,
TrkCB(handleAndReportReadRegisters),
trkReadRegistersMessage());
}
}
else if (cmd.startsWith("Hc")) {
@@ -692,21 +702,27 @@ void TrkGdbAdapter::handleGdbServerCommand(const QByteArray &cmd)
sendGdbServerAck();
bool ok = false;
const uint registerNumber = cmd.mid(1).toInt(&ok, 16);
QByteArray logMsg = "Read Register";
if (registerNumber == RegisterPSGdb) {
QByteArray ba;
appendInt(&ba, m_snapshot.registers[RegisterPSTrk], LittleEndian);
logMsg += dumpRegister(registerNumber, m_snapshot.registers[RegisterPSTrk]);
sendGdbServerMessage(ba.toHex(), logMsg);
} else if (registerNumber < 16) {
QByteArray ba;
appendInt(&ba, m_snapshot.registers[registerNumber], LittleEndian);
logMsg += dumpRegister(registerNumber, m_snapshot.registers[registerNumber]);
sendGdbServerMessage(ba.toHex(), logMsg);
if (m_snapshot.registerValid) {
QByteArray logMsg = "Read Register";
if (registerNumber == RegisterPSGdb) {
QByteArray ba;
appendInt(&ba, m_snapshot.registers[RegisterPSTrk], LittleEndian);
logMsg += dumpRegister(registerNumber, m_snapshot.registers[RegisterPSTrk]);
sendGdbServerMessage(ba.toHex(), logMsg);
} else if (registerNumber < 16) {
QByteArray ba;
appendInt(&ba, m_snapshot.registers[registerNumber], LittleEndian);
logMsg += dumpRegister(registerNumber, m_snapshot.registers[registerNumber]);
sendGdbServerMessage(ba.toHex(), logMsg);
} else {
sendGdbServerMessage("0000", "read single unknown register #"
+ QByteArray::number(registerNumber));
//sendGdbServerMessage("E01", "read single unknown register");
}
} else {
sendGdbServerMessage("0000", "read single unknown register #"
+ QByteArray::number(registerNumber));
//sendGdbServerMessage("E01", "read single unknown register");
sendTrkMessage(0x12,
TrkCB(handleAndReportReadRegister),
trkReadRegistersMessage(), registerNumber);
}
}
@@ -815,18 +831,42 @@ void TrkGdbAdapter::handleGdbServerCommand(const QByteArray &cmd)
else if (cmd.startsWith("qXfer:features:read:target.xml:")) {
// $qXfer:features:read:target.xml:0,7ca#46...Ack
sendGdbServerAck();
sendGdbServerMessage("l<target><architecture>symbianelf</architecture></target>");
//sendGdbServerMessage("l<target><architecture>symbianelf</architecture></target>");
sendGdbServerMessage("l<target><architecture>arm</architecture></target>");
//sendGdbServerMessage("l<target><architecture>arm-none-symbianelf</architecture></target>");
}
else if (cmd == "qfThreadInfo") {
// That's the _first_ query package.
sendGdbServerAck();
if (!m_session.threads.isEmpty()) {
QByteArray response = "m";
// FIXME: Limit packet length by using qsThreadInfo packages?
qDebug() << "CURRENT THREAD: " << m_session.tid;
response += hexNumber(m_session.tid);
sendGdbServerMessage(response, "thread information transfered");
} else {
sendGdbServerMessage("l", "thread information transfer finished");
}
}
else if (cmd == "qsThreadInfo") {
// That's a following query package
sendGdbServerAck();
sendGdbServerMessage("l", "thread information transfer finished");
}
else if (cmd.startsWith("qXfer:libraries:read")) {
sendGdbServerAck();
/*
<library-list>
<library name="/lib/libc.so.6">
<segment address="0x10000000"/>
</library>
</library-list>
i */
QByteArray response = "l<library-list>";
for (int i = 0; i != m_session.libraries.size(); ++i) {
const Library &lib = m_session.libraries.at(i);
response += "<library name=\"" + lib.name + "\">";
response += "<segment address=\"0x" + hexNumber(lib.codeseg) + "\"/>";
response += "</library>";
}
response += "</library-list>";
sendGdbServerMessage(response, "library information transfered");
}
else if (cmd == "QStartNoAckMode") {
@@ -855,6 +895,13 @@ i */
sendTrkMessage(0x19, TrkCB(handleStepInto), ba, "Step range");
}
else if (cmd.startsWith('T')) {
// FIXME: check whether thread is alive
sendGdbServerAck();
sendGdbServerMessage("OK"); // pretend all is well
//sendGdbServerMessage("E nn");
}
else if (cmd == "vCont?") {
// actions supported by the vCont packet
sendGdbServerAck();
@@ -908,7 +955,7 @@ i */
}
else if (cmd.startsWith("qPart:") || cmd.startsWith("qXfer:")) {
QByteArray data = cmd.mid(1 + cmd.indexOf(':'));
QByteArray data = cmd.mid(1 + cmd.indexOf(':'));
// "qPart:auxv:read::0,147": Read OS auxiliary data (see info aux)
bool handled = false;
if (data.startsWith("auxv:read::")) {
@@ -928,6 +975,7 @@ i */
}
}
} // auxv read
if (!handled) {
const QString msg = QLatin1String("FIXME unknown 'XFER'-request: ")
+ QString::fromAscii(cmd);
@@ -1136,7 +1184,7 @@ void TrkGdbAdapter::handleDeleteProcess2(const TrkResult &result)
void TrkGdbAdapter::handleReadRegisters(const TrkResult &result)
{
logMessage(" RESULT: " + result.toString());
logMessage(" REGISTER RESULT: " + result.toString());
// [80 0B 00 00 00 00 00 C9 24 FF BC 00 00 00 00 00
// 60 00 00 00 00 00 00 78 67 79 70 00 00 00 00 00...]
if (result.errorCode()) {
@@ -1146,6 +1194,7 @@ void TrkGdbAdapter::handleReadRegisters(const TrkResult &result)
const char *data = result.data.data() + 1; // Skip ok byte
for (int i = 0; i < RegisterCount; ++i)
m_snapshot.registers[i] = extractInt(data + 4 * i);
m_snapshot.registerValid = true;
}
void TrkGdbAdapter::handleWriteRegister(const TrkResult &result)
@@ -1176,6 +1225,34 @@ void TrkGdbAdapter::reportRegisters()
sendGdbServerMessage(ba, logMsg);
}
void TrkGdbAdapter::handleAndReportReadRegisters(const TrkResult &result)
{
handleReadRegisters(result);
reportRegisters();
}
void TrkGdbAdapter::handleAndReportReadRegister(const TrkResult &result)
{
handleReadRegisters(result);
int registerNumber = result.cookie.toInt();
QByteArray logMsg = "Read Register";
if (registerNumber == RegisterPSGdb) {
QByteArray ba;
appendInt(&ba, m_snapshot.registers[RegisterPSTrk], LittleEndian);
logMsg += dumpRegister(registerNumber, m_snapshot.registers[RegisterPSTrk]);
sendGdbServerMessage(ba.toHex(), logMsg);
} else if (registerNumber < 16) {
QByteArray ba;
appendInt(&ba, m_snapshot.registers[registerNumber], LittleEndian);
logMsg += dumpRegister(registerNumber, m_snapshot.registers[registerNumber]);
sendGdbServerMessage(ba.toHex(), logMsg);
} else {
sendGdbServerMessage("0000", "read single unknown register #"
+ QByteArray::number(registerNumber));
//sendGdbServerMessage("E01", "read single unknown register");
}
}
static void appendRegister(QByteArray *ba, uint regno, uint value)
{
ba->append(hexNumber(regno, 2));
@@ -1312,7 +1389,7 @@ void TrkGdbAdapter::tryAnswerGdbMemoryRequest(bool buffered)
logMessage(_("Requesting buffered memory %1 bytes from 0x%2")
.arg(MemoryChunkSize).arg(blockaddr, 0, 16));
MemoryRange range(blockaddr, blockaddr + MemoryChunkSize);
MEMORY_DEBUGX(" FETCH MEMORY : " << range);
MEMORY_DEBUG(" FETCH MEMORY : " << range);
sendTrkMessage(0x10, TrkCB(handleReadMemoryBuffered),
trkReadMemoryMessage(range),
QVariant::fromValue(range));
@@ -1323,7 +1400,7 @@ void TrkGdbAdapter::tryAnswerGdbMemoryRequest(bool buffered)
sendTrkMessage(0x10, TrkCB(handleReadMemoryUnbuffered),
trkReadMemoryMessage(needed),
QVariant::fromValue(needed));
MEMORY_DEBUGX(" FETCH MEMORY : " << needed);
MEMORY_DEBUG(" FETCH MEMORY : " << needed);
}
}