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Bug 309212: No registers with HEAD. Workaround for gdb 7.0.

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This commit is contained in:
Mikhail Khodjaiants 2010-04-17 21:42:13 +00:00
parent f2876e9a5c
commit a67b587f77
2 changed files with 42 additions and 21 deletions
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60
debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/CRegisterManager.java
View file

@ -15,6 +15,7 @@ import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.locks.ReentrantLock;
import org.eclipse.cdt.debug.core.CDebugCorePlugin;
import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
@ -68,6 +69,10 @@ public class CRegisterManager {
private boolean fUseDefaultRegisterGroups = true;
private CStackFrame fCurrentFrame;
private ReentrantLock fInitializationLock = new ReentrantLock();
private boolean fInitialized = false;
/**
* Constructor for CRegisterManager.
@ -123,27 +128,40 @@ public class CRegisterManager {
}
public void initialize() {
ICDIRegisterGroup[] groups = new ICDIRegisterGroup[0];
try {
groups = getDebugTarget().getCDITarget().getRegisterGroups();
}
catch( CDIException e ) {
CDebugCorePlugin.log( e );
}
List list = new ArrayList();
for( int i = 0; i < groups.length; ++i ) {
try {
ICDIRegisterDescriptor[] cdiDescriptors = groups[i].getRegisterDescriptors();
for ( int j = 0; j < cdiDescriptors.length; ++j ) {
list.add( new CRegisterDescriptor( groups[i], cdiDescriptors[j] ) );
}
}
catch( CDIException e ) {
CDebugCorePlugin.log( e );
}
}
fRegisterDescriptors = (IRegisterDescriptor[])list.toArray( new IRegisterDescriptor[list.size()] );
createRegisterGroups();
if ( !fInitialized ) {
synchronized( fInitializationLock ) {
if ( !fInitialized ) {
boolean failed = false;
ICDIRegisterGroup[] groups = new ICDIRegisterGroup[0];
try {
groups = getDebugTarget().getCDITarget().getRegisterGroups();
}
catch( CDIException e ) {
CDebugCorePlugin.log( e );
failed = true;
}
List<CRegisterDescriptor> list = new ArrayList<CRegisterDescriptor>();
for( int i = 0; i < groups.length; ++i ) {
try {
ICDIRegisterDescriptor[] cdiDescriptors = groups[i].getRegisterDescriptors();
for ( int j = 0; j < cdiDescriptors.length; ++j ) {
list.add( new CRegisterDescriptor( groups[i], cdiDescriptors[j] ) );
}
}
catch( CDIException e ) {
CDebugCorePlugin.log( e );
failed = true;
}
}
fRegisterDescriptors = list.toArray( new IRegisterDescriptor[list.size()] );
fInitialized = !failed;
if ( failed )
fRegisterGroups = Collections.emptyList();
else
createRegisterGroups();
}
}
}
}
public void addRegisterGroup( final String name, final IRegisterDescriptor[] descriptors ) {

3
debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CDebugTarget.java
View file

@ -1563,6 +1563,9 @@ public class CDebugTarget extends CDebugElement implements ICDebugTarget, ICDIEv
}
public CRegisterManager getRegisterManager() {
// Workaround for bug #309212. gdb 7.0 returns "No registers" error
// at the beginning of the session.
fRegisterManager.initialize();
return fRegisterManager;
}