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debugger: distinguish between "step into" and "step over" in TrkAdapter.

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This commit is contained in:
hjk
2010-02-05 16:00:54 +01:00
parent 42eac3c9a8
commit 27fa4c0440
4 changed files with 46 additions and 75 deletions
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95
src/plugins/debugger/gdb/trkgdbadapter.cpp
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@@ -374,23 +374,27 @@ QByteArray TrkGdbAdapter::trkWriteMemoryMessage(uint addr, const QByteArray &dat
return ba;
}
QByteArray TrkGdbAdapter::trkStepRangeMessage(trk::byte option)
QByteArray TrkGdbAdapter::trkStepRangeMessage()
{
QByteArray ba;
ba.reserve(17);
appendByte(&ba, option);
//qDebug() << "STEP ON " << hexxNumber(m_snapshot.registers[RegisterPC]);
uint from = m_snapshot.lineFromAddress;
uint to = m_snapshot.lineToAddress;
uint pc = m_snapshot.registers[RegisterPC];
trk::byte option = 0x01; // Step into.
if (from <= pc && pc <= to) {
to = qMax(to - 4, from);
debugMessage("STEP IN " + hexxNumber(from) + " " + hexxNumber(to)
+ " INSTEAD OF " + hexxNumber(pc));
if (m_snapshot.stepOver)
option = 0x11; // Step over.
} else {
from = pc;
to = pc;
}
QByteArray ba;
ba.reserve(17);
appendByte(&ba, option);
appendInt(&ba, from); // Start address
appendInt(&ba, to); // End address
appendInt(&ba, m_session.pid);
@@ -695,16 +699,24 @@ void TrkGdbAdapter::handleGdbServerCommand(const QByteArray &cmd)
trkReadRegistersMessage());
}
else if (cmd.startsWith("sal")) {
else if (cmd.startsWith("salstep,")) {
// Receive address range for current line for future use when stepping.
sendGdbServerAck();
int pos = cmd.indexOf(',');
//qDebug() << "SAL: " << cmd << cmd.mid(3, pos - 3) << cmd.mid(pos + 1);
m_snapshot.lineFromAddress = cmd.mid(3, pos - 3).toUInt(0, 16);
m_snapshot.lineFromAddress = cmd.mid(8, pos - 8).toUInt(0, 16);
m_snapshot.lineToAddress = cmd.mid(pos + 1).toUInt(0, 16);
//qDebug() << "SAL: " << hexxNumber(m_snapshot.lineFromAddress)
// << hexxNumber(m_snapshot.lineToAddress);
sendGdbServerMessage("", "Stepping range received");
m_snapshot.stepOver = false;
sendGdbServerMessage("", "Stepping range received for Step Into");
}
else if (cmd.startsWith("salnext")) {
// Receive address range for current line for future use when stepping.
sendGdbServerAck();
int pos = cmd.indexOf(',');
m_snapshot.lineFromAddress = cmd.mid(8, pos - 8).toUInt(0, 16);
m_snapshot.lineToAddress = cmd.mid(pos + 1).toUInt(0, 16);
m_snapshot.stepOver = true;
sendGdbServerMessage("", "Stepping range received for Step Over");
}
else if (cmd.startsWith("Hc")) {
@@ -967,8 +979,8 @@ void TrkGdbAdapter::handleGdbServerCommand(const QByteArray &cmd)
sendGdbServerAck();
//m_snapshot.reset();
m_running = true;
QByteArray ba = trkStepRangeMessage(0x01); // options "step into"
sendTrkMessage(0x19, TrkCB(handleStepInto), ba, "Step range");
QByteArray ba = trkStepRangeMessage();
sendTrkMessage(0x19, TrkCB(handleStep), ba, "Step range");
}
else if (cmd.startsWith('T')) {
@@ -1576,15 +1588,15 @@ void TrkGdbAdapter::reportReadMemoryBuffered(const TrkResult &result)
}
*/
void TrkGdbAdapter::handleStepInto(const TrkResult &result)
void TrkGdbAdapter::handleStep(const TrkResult &result)
{
if (result.errorCode()) {
logMessage("ERROR: " + result.errorString() + " in handleStepInto");
logMessage("ERROR: " + result.errorString() + " in handleStep");
// Try fallback with Step Over.
debugMessage("FALLBACK TO 'STEP OVER'");
QByteArray ba = trkStepRangeMessage(0x11); // options "step over"
sendTrkMessage(0x19, TrkCB(handleStepInto2), ba, "Step range");
// Try fallback with Continue.
debugMessage("FALLBACK TO 'CONTINUE'");
sendTrkMessage(0x18, TrkCallback(), trkContinueMessage(), "CONTINUE");
//sendGdbServerMessage("S05", "Stepping finished");
// Doing nothing as below does not work as gdb seems to insist on
// making some progress through a 'step'.
@@ -1594,52 +1606,7 @@ void TrkGdbAdapter::handleStepInto(const TrkResult &result)
return;
}
// The gdb server response is triggered later by the Stop Reply packet
logMessage("STEP INTO FINISHED ");
}
void TrkGdbAdapter::handleStepInto2(const TrkResult &result)
{
if (result.errorCode()) {
logMessage("ERROR: " + result.errorString() + " in handleStepInto2");
// Try fallback with Continue.
debugMessage("FALLBACK TO 'CONTINUE'");
sendTrkMessage(0x18, TrkCallback(), trkContinueMessage(), "CONTINUE");
//sendGdbServerMessage("S05", "Stepping finished");
// Doing nothing as below does not work as gdb seems to insist on
// making some progress through a 'next'.
// sendTrkMessage(0x12,
// TrkCB(handleAndReportReadRegistersAfterStop),
// trkReadRegistersMessage());
return;
}
logMessage("STEP INTO FINISHED (FALLBACK)");
}
void TrkGdbAdapter::handleStepOver(const TrkResult &result)
{
if (result.errorCode()) {
logMessage("ERROR: " + result.errorString() + "in handleStepOver");
// Try fallback with Step Into
QByteArray ba = trkStepRangeMessage(0x01); // options "step into"
sendTrkMessage(0x19, TrkCB(handleStepOver2), ba, "Step range");
return;
}
logMessage("STEP OVER FINISHED ");
}
void TrkGdbAdapter::handleStepOver2(const TrkResult &result)
{
if (result.errorCode()) {
logMessage("ERROR: " + result.errorString() + "in handleStepOver2");
// Try fallback with Continue
debugMessage("FALLBACK TO 'CONTINUE'");
sendTrkMessage(0x18, TrkCallback(), trkContinueMessage(), "CONTINUE");
//sendGdbServerMessage("S05", "Stepping finished");
return;
}
logMessage("STEP OVER FINISHED (FALLBACK)");
logMessage("STEP FINISHED ");
}
void TrkGdbAdapter::handleAndReportSetBreakpoint(const TrkResult &result)