mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-04-29 19:45:01 +02:00
Code Issues Wiki Activity

[229914] Implement Update Policy support for Memory View; initial DsfMemoryBlock support

Browse source
This commit is contained in:
Ted Williams 2008-05-02 05:28:34 +00:00
parent 429d7531fc
commit 8c58d70bca
1 changed files with 59 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

63
plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/model/DsfMemoryBlock.java
View file

@ -32,6 +32,7 @@ import org.eclipse.dd.dsf.debug.service.IMemory;
import org.eclipse.dd.dsf.debug.service.IRunControl;
import org.eclipse.dd.dsf.debug.service.IMemory.IMemoryChangedEvent;
import org.eclipse.dd.dsf.debug.service.IMemory.IMemoryDMContext;
import org.eclipse.dd.dsf.debug.service.IRunControl.StateChangeReason;
import org.eclipse.dd.dsf.service.DsfServiceEventHandler;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
@ -40,6 +41,7 @@ import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IMemoryBlockExtension;
import org.eclipse.debug.core.model.IMemoryBlockRetrieval;
import org.eclipse.debug.core.model.IMemoryBlockUpdatePolicy;
import org.eclipse.debug.core.model.MemoryByte;
/**
@ -48,9 +50,13 @@ import org.eclipse.debug.core.model.MemoryByte;
*
* It performs its read/write functions using the MemoryService.
*/
public class DsfMemoryBlock extends PlatformObject implements IMemoryBlockExtension
public class DsfMemoryBlock extends PlatformObject implements IMemoryBlockExtension, IMemoryBlockUpdatePolicy
{
private final IMemoryDMContext fContext;
private final static String UPDATE_POLICY_AUTOMATIC = "Automatic"; //$NON-NLS-1$
private final static String UPDATE_POLICY_MANUAL = "Manual"; //$NON-NLS-1$
private final static String UPDATE_POLICY_BREAKPOINT = "On Breakpoint"; //$NON-NLS-1$
private final IMemoryDMContext fContext;
private final ILaunch fLaunch;
private final IDebugTarget fDebugTarget;
private final DsfMemoryBlockRetrieval fRetrieval;
@ -63,6 +69,8 @@ public class DsfMemoryBlock extends PlatformObject implements IMemoryBlockExtens
private int fWordSize;
private MemoryByte[] fBlock;
private String fUpdatePolicy = UPDATE_POLICY_AUTOMATIC;
private ArrayList<Object> fConnections = new ArrayList<Object>();
@SuppressWarnings("unused")
@ -263,12 +271,37 @@ public class DsfMemoryBlock extends PlatformObject implements IMemoryBlockExtens
public MemoryByte[] getBytesFromOffset(BigInteger offset, long units) throws DebugException {
return getBytesFromAddress(fBlockAddress.add(offset), units);
}
private boolean fUseCachedData = false;
public void clearCache() {
fUseCachedData = false;
}
@DsfServiceEventHandler
public void handleCacheSuspendEvent(IRunControl.ISuspendedDMEvent e) {
e.getReason();
if(e.getReason() == StateChangeReason.BREAKPOINT)
fUseCachedData = false;
}
private boolean isUseCacheData()
{
if(fUpdatePolicy.equals(DsfMemoryBlock.UPDATE_POLICY_BREAKPOINT))
return fUseCachedData;
else if(fUpdatePolicy.equals(DsfMemoryBlock.UPDATE_POLICY_MANUAL))
return fUseCachedData;
else
return false;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.IMemoryBlockExtension#getBytesFromAddress(java.math.BigInteger, long)
*/
public MemoryByte[] getBytesFromAddress(BigInteger address, long units) throws DebugException {
if(isUseCacheData() && fBlockAddress.compareTo(address) == 0 && units * getAddressableSize() <= fBlock.length)
return fBlock;
MemoryByte[] block = fetchMemoryBlock(address, units);
int newLength = (block != null) ? block.length : 0;
@ -325,6 +358,11 @@ public class DsfMemoryBlock extends PlatformObject implements IMemoryBlockExtens
fBlock = block;
fBlockAddress = address;
fLength = newLength;
if(fUpdatePolicy.equals(DsfMemoryBlock.UPDATE_POLICY_BREAKPOINT))
fUseCachedData = true;
else if(fUpdatePolicy.equals(DsfMemoryBlock.UPDATE_POLICY_MANUAL))
fUseCachedData = true;
return fBlock;
}
@ -537,4 +575,21 @@ public class DsfMemoryBlock extends PlatformObject implements IMemoryBlockExtens
}
}
public String[] getUpdatePolicies() {
return new String[] {UPDATE_POLICY_AUTOMATIC, UPDATE_POLICY_MANUAL, UPDATE_POLICY_BREAKPOINT};
}
public String getUpdatePolicy()
{
return fUpdatePolicy;
}
public void setUpdatePolicy(String policy)
{
fUpdatePolicy = policy;
}
public String getUpdatePolicyDescription(String id) {
return id;
}
}