- a bit of extensibility for disassembly view

debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/Disassembly.java

@@ -97,6 +97,46 @@ public class Disassembly extends CDebugElement implements IDisassembly, ICDIEven
 		}
 		return null;
 	}
+	
+	public IDisassemblyBlock getDisassemblyBlock( IAddress address ) throws DebugException {
+		fBlocks[0] = createBlock( address, null);
+		return fBlocks[0];		
+	}
+
+	public IDisassemblyBlock getDisassemblyBlock( IAddress startAddress, IAddress endAddress ) throws DebugException {
+		fBlocks[0] = createBlock( startAddress, endAddress );
+		return fBlocks[0];		
+	}
+	
+	private DisassemblyBlock createBlock( IAddress startAddress, IAddress endAddress) throws DebugException {
+		ICDITarget target = (ICDITarget)getDebugTarget().getAdapter( ICDITarget.class );
+		if ( target != null ) {
+			ICDIMixedInstruction[] mixedInstrs = new ICDIMixedInstruction[0];
+			if ( mixedInstrs.length == 0 ||
+					!containsAddress( mixedInstrs, startAddress ) ) {
+				try {
+					BigInteger startAddr = new BigInteger( startAddress.toString() );
+					BigInteger endAddr = null;
+					if (endAddress != null) {
+						endAddr = new BigInteger( endAddress.toString() );
+					} else {
+						endAddr = startAddr.add( BigInteger.valueOf( 
+								CDebugCorePlugin.getDefault().getPluginPreferences().getInt(ICDebugConstants.PREF_MAX_NUMBER_OF_INSTRUCTIONS)));
+					}
+					mixedInstrs = target.getMixedInstructions( startAddr, endAddr);
+					return DisassemblyBlock.create( this, mixedInstrs );
+				}
+				catch( CDIException e ) {
+					targetRequestFailed( e.getMessage(), e );
+				}
+			}
+			else {
+				return DisassemblyBlock.create( this, mixedInstrs );
+			}
+		}
+		return null;
+	}
+
 
 	private boolean containsAddress( ICDIMixedInstruction[] mi, IAddress address ) {
 		for( int i = 0; i < mi.length; ++i ) {

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/disassembly/DisassemblyEditorInput.java

@@ -226,6 +226,9 @@ public class DisassemblyEditorInput implements IEditorInput {
 		return input;
 	}
 
+	public static DisassemblyEditorInput create( IDisassemblyBlock block) throws DebugException {
+		return new DisassemblyEditorInput(block);
+	}
 	private void createContents() {
 		fSourceRegions = new IRegion[0];
 		StringBuffer lines = new StringBuffer();
@@ -320,6 +323,13 @@ public class DisassemblyEditorInput implements IEditorInput {
 		return ( fBlock != null ) ? fBlock.getDisassembly() : null;
 	}
 
+    /**
+	 * @return the disassembly block
+	 */
+	public IDisassemblyBlock getDisassemblyBlock() {
+		return fBlock;
+	}
+	
 	public ICLineBreakpoint breakpointExists( IAddress address ) throws CoreException {
 		Assert.isTrue( address != null );
 		IDisassembly dis = getDisassembly();

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/disassembly/DisassemblyView.java

@@ -439,7 +439,7 @@ public class DisassemblyView extends AbstractDebugEventHandlerView
 		resetViewerInput();
 	}
 
-	protected void setViewerInput( IEditorInput input ) {
+	public void setViewerInput( IEditorInput input ) {
 		SourceViewer viewer = getSourceViewer();
 		if ( viewer == null )
 			return;