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Code Issues Wiki Activity

Deal with Shared Lib Events from GDB

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This commit is contained in:
Alain Magloire 2003-08-19 02:01:53 +00:00
parent 551a927cf2
commit 081b8cd7ca
2 changed files with 59 additions and 25 deletions
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80
debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/RxThread.java
View file

@ -26,6 +26,7 @@ import org.eclipse.cdt.debug.mi.core.event.MIInferiorExitEvent;
import org.eclipse.cdt.debug.mi.core.event.MIInferiorSignalExitEvent;
import org.eclipse.cdt.debug.mi.core.event.MILocationReachedEvent;
import org.eclipse.cdt.debug.mi.core.event.MIRunningEvent;
import org.eclipse.cdt.debug.mi.core.event.MISharedLibEvent;
import org.eclipse.cdt.debug.mi.core.event.MISignalEvent;
import org.eclipse.cdt.debug.mi.core.event.MISteppingRangeEvent;
import org.eclipse.cdt.debug.mi.core.event.MIStoppedEvent;
@ -64,9 +65,8 @@ public class RxThread extends Thread {
* Get the response, parse the output, dispatch for OOB
* search for the corresponding token in rxQueue for the ResultRecord.
*/
public void run () {
BufferedReader reader =
new BufferedReader(new InputStreamReader(session.getChannelInputStream()));
public void run() {
BufferedReader reader = new BufferedReader(new InputStreamReader(session.getChannelInputStream()));
try {
String line;
while ((line = reader.readLine()) != null) {
@ -84,8 +84,8 @@ public class RxThread extends Thread {
if (session.getChannelInputStream() != null) {
Runnable cleanup = new Runnable() {
public void run() {
// Change the state of the inferior.
session.getMIInferior().setTerminated();
// Change the state of the inferior.
session.getMIInferior().setTerminated();
session.terminate();
}
};
@ -125,10 +125,9 @@ public class RxThread extends Thread {
// Clear the accumulate oobList on each new Result Command
// response.
MIOOBRecord [] oobRecords =
(MIOOBRecord[])oobList.toArray(new MIOOBRecord[0]);
MIOOBRecord[] oobRecords = (MIOOBRecord[]) oobList.toArray(new MIOOBRecord[0]);
oobList.clear();
// Check if the state changed.
String state = rr.getResultClass();
if ("running".equals(state)) {
@ -174,7 +173,7 @@ public class RxThread extends Thread {
cmd.setMIOutput(response);
cmd.notifyAll();
}
}
}
// Some result record contains informaton specific to oob.
// This will happen when CLI-Command is use, for example
// doing "run" will block and return a breakpointhit
@ -189,7 +188,7 @@ public class RxThread extends Thread {
}
}
MIEvent[] events = (MIEvent[])list.toArray(new MIEvent[list.size()]);
MIEvent[] events = (MIEvent[]) list.toArray(new MIEvent[list.size()]);
session.fireEvents(events);
} // if response != null
}
@ -199,15 +198,15 @@ public class RxThread extends Thread {
*/
void processMIOOBRecord(MIOOBRecord oob, List list) {
if (oob instanceof MIAsyncRecord) {
processMIOOBRecord((MIAsyncRecord)oob, list);
processMIOOBRecord((MIAsyncRecord) oob, list);
} else if (oob instanceof MIStreamRecord) {
processMIOOBRecord((MIStreamRecord)oob);
processMIOOBRecord((MIStreamRecord) oob);
}
}
void processMIOOBRecord(MIAsyncRecord async, List list) {
if (async instanceof MIExecAsyncOutput) {
MIExecAsyncOutput exec = (MIExecAsyncOutput)async;
MIExecAsyncOutput exec = (MIExecAsyncOutput) async;
// Change of state.
String state = exec.getAsyncClass();
if ("stopped".equals(state)) {
@ -218,7 +217,7 @@ public class RxThread extends Thread {
MIValue val = results[i].getMIValue();
if (var.equals("reason")) {
if (val instanceof MIConst) {
String reason =((MIConst)val).getString();
String reason = ((MIConst) val).getString();
e = createEvent(reason, exec);
if (e != null) {
list.add(e);
@ -226,7 +225,24 @@ public class RxThread extends Thread {
}
}
}
// GDB does not have reason when stopping on shared, hopefully
// this will be fix in newer version meanwhile, we will use a hack
// to cope. On most platform we can detect by looking at the
// console stream for phrase:
// ~"Stopped due to shared library event\n"
//
// Althought it is a _real_ bad idea to do this, we do not have
// any other alternatives.
String[] logs = getStreamRecords();
for (int i = 0; i < logs.length; i++) {
if (logs[i].equalsIgnoreCase("Stopped due to shared library event")) {
session.getMIInferior().setSuspended();
e = new MISharedLibEvent(exec);
list.add(e);
}
}
// We were stopped for some unknown reason, for example
// GDB for temporary breakpoints will not send the
// "reason" ??? still fire a stopped event.
@ -247,7 +263,7 @@ public class RxThread extends Thread {
if (stream instanceof MIConsoleStreamOutput) {
OutputStream console = session.getConsolePipe();
if (console != null) {
MIConsoleStreamOutput out = (MIConsoleStreamOutput)stream;
MIConsoleStreamOutput out = (MIConsoleStreamOutput) stream;
String str = out.getString();
if (str != null) {
try {
@ -263,7 +279,7 @@ public class RxThread extends Thread {
} else if (stream instanceof MITargetStreamOutput) {
OutputStream target = session.getMIInferior().getPipedOutputStream();
if (target != null) {
MITargetStreamOutput out = (MITargetStreamOutput)stream;
MITargetStreamOutput out = (MITargetStreamOutput) stream;
String str = out.getString();
if (str != null) {
try {
@ -277,7 +293,7 @@ public class RxThread extends Thread {
// This is meant for the gdb console.
OutputStream log = session.getLogPipe();
if (log != null) {
MILogStreamOutput out = (MILogStreamOutput)stream;
MILogStreamOutput out = (MILogStreamOutput) stream;
String str = out.getString();
if (str != null) {
try {
@ -297,13 +313,13 @@ public class RxThread extends Thread {
* Dispatch a thread to deal with the listeners.
*/
void processMIOOBRecord(MIResultRecord rr, List list) {
MIResult[] results = rr.getMIResults();
MIResult[] results = rr.getMIResults();
for (int i = 0; i < results.length; i++) {
String var = results[i].getVariable();
if (var.equals("reason")) {
MIValue value = results[i].getMIValue();
if (value instanceof MIConst) {
String reason = ((MIConst)value).getString();
String reason = ((MIConst) value).getString();
MIEvent event = createEvent(reason, rr);
if (event != null) {
list.add(event);
@ -330,9 +346,10 @@ public class RxThread extends Thread {
event = new MIBreakpointHitEvent(rr);
}
session.getMIInferior().setSuspended();
} else if ("watchpoint-trigger".equals(reason) ||
"read-watchpoint-trigger".equals(reason) ||
"access-watchpoint-trigger".equals(reason)) {
} else if (
"watchpoint-trigger".equals(reason)
|| "read-watchpoint-trigger".equals(reason)
|| "access-watchpoint-trigger".equals(reason)) {
if (exec != null) {
event = new MIWatchpointTriggerEvent(exec);
} else if (rr != null) {
@ -374,8 +391,7 @@ public class RxThread extends Thread {
event = new MIFunctionFinishedEvent(rr);
}
session.getMIInferior().setSuspended();
} else if ("exited-normally".equals(reason) ||
"exited".equals(reason)) {
} else if ("exited-normally".equals(reason) || "exited".equals(reason)) {
if (exec != null) {
event = new MIInferiorExitEvent(exec);
} else if (rr != null) {
@ -393,4 +409,18 @@ public class RxThread extends Thread {
return event;
}
String[] getStreamRecords() {
List streamRecords = new ArrayList();
MIOOBRecord[] oobRecords = (MIOOBRecord[]) oobList.toArray(new MIOOBRecord[0]);
for (int i = 0; i < oobRecords.length; i++) {
if (oobRecords[i] instanceof MIStreamRecord) {
String s = ((MIStreamRecord) oobRecords[i]).getString().trim();
if (s != null && s.length() > 0) {
streamRecords.add(s);
}
}
}
return (String[]) streamRecords.toArray(new String[0]);
}
}

4
debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/event/SuspendedEvent.java
View file

@ -13,6 +13,7 @@ import org.eclipse.cdt.debug.mi.core.cdi.BreakpointHit;
import org.eclipse.cdt.debug.mi.core.cdi.EndSteppingRange;
import org.eclipse.cdt.debug.mi.core.cdi.ErrorInfo;
import org.eclipse.cdt.debug.mi.core.cdi.Session;
import org.eclipse.cdt.debug.mi.core.cdi.SharedLibraryEvent;
import org.eclipse.cdt.debug.mi.core.cdi.SignalReceived;
import org.eclipse.cdt.debug.mi.core.cdi.WatchpointScope;
import org.eclipse.cdt.debug.mi.core.cdi.WatchpointTrigger;
@ -21,6 +22,7 @@ import org.eclipse.cdt.debug.mi.core.event.MIErrorEvent;
import org.eclipse.cdt.debug.mi.core.event.MIEvent;
import org.eclipse.cdt.debug.mi.core.event.MIFunctionFinishedEvent;
import org.eclipse.cdt.debug.mi.core.event.MILocationReachedEvent;
import org.eclipse.cdt.debug.mi.core.event.MISharedLibEvent;
import org.eclipse.cdt.debug.mi.core.event.MISignalEvent;
import org.eclipse.cdt.debug.mi.core.event.MISteppingRangeEvent;
import org.eclipse.cdt.debug.mi.core.event.MIWatchpointScopeEvent;
@ -56,6 +58,8 @@ public class SuspendedEvent implements ICDISuspendedEvent {
return new EndSteppingRange(session);
} else if (event instanceof MIErrorEvent) {
return new ErrorInfo(session, (MIErrorEvent)event);
} else if (event instanceof MISharedLibEvent) {
return new SharedLibraryEvent(session);
}
return session;
}