void
TeamDebugger::_HandleInspectAddress(target_addr_t address,
TeamMemoryBlock::Listener* listener)
{
TRACE_CONTROL("TeamDebugger::_HandleInspectAddress(%" B_PRIx64 ", %p)\n",
address, listener);
TeamMemoryBlock* memoryBlock = fMemoryBlockManager
->GetMemoryBlock(address);
if (memoryBlock == NULL) {
_NotifyUser("Inspect Address", "Failed to allocate memory block");
return;
}
if (!memoryBlock->HasListener(listener))
memoryBlock->AddListener(listener);
if (!memoryBlock->IsValid()) {
AutoLocker< ::Team> teamLocker(fTeam);
TeamMemory* memory = fTeam->GetTeamMemory();
// schedule the job
status_t result;
if ((result = fWorker->ScheduleJob(
new(std::nothrow) RetrieveMemoryBlockJob(fTeam, memory,
memoryBlock),
this)) != B_OK) {
memoryBlock->ReleaseReference();
_NotifyUser("Inspect Address", "Failed to retrieve memory data: %s",
strerror(result));
}
} else
memoryBlock->NotifyDataRetrieved();
}
void
InspectorWindow::MessageReceived(BMessage* message)
{
switch (message->what) {
case MSG_THREAD_STATE_CHANGED:
{
::Thread* thread;
if (message->FindPointer("thread",
reinterpret_cast<void**>(&thread)) != B_OK) {
break;
}
BReference< ::Thread> threadReference(thread, true);
if (thread->State() == THREAD_STATE_STOPPED) {
if (fCurrentBlock != NULL) {
_SetCurrentBlock(NULL);
_SetToAddress(fCurrentAddress);
}
}
break;
}
case MSG_INSPECT_ADDRESS:
{
target_addr_t address = 0;
if (message->FindUInt64("address", &address) != B_OK) {
if (fAddressInput->TextView()->TextLength() == 0)
break;
fExpressionInfo->SetTo(fAddressInput->Text());
fListener->ExpressionEvaluationRequested(fLanguage,
fExpressionInfo);
} else
_SetToAddress(address);
break;
}
case MSG_EXPRESSION_EVALUATED:
{
BString errorMessage;
BReference<ExpressionResult> reference;
ExpressionResult* value = NULL;
if (message->FindPointer("value",
reinterpret_cast<void**>(&value)) == B_OK) {
reference.SetTo(value, true);
if (value->Kind() == EXPRESSION_RESULT_KIND_PRIMITIVE) {
Value* primitive = value->PrimitiveValue();
BVariant variantValue;
primitive->ToVariant(variantValue);
if (variantValue.Type() == B_STRING_TYPE) {
errorMessage.SetTo(variantValue.ToString());
} else {
_SetToAddress(variantValue.ToUInt64());
break;
}
}
} else {
status_t result = message->FindInt32("result");
errorMessage.SetToFormat("Failed to evaluate expression: %s",
strerror(result));
}
BAlert* alert = new(std::nothrow) BAlert("Inspect Address",
errorMessage.String(), "Close");
if (alert != NULL)
alert->Go();
break;
}
case MSG_NAVIGATE_PREVIOUS_BLOCK:
case MSG_NAVIGATE_NEXT_BLOCK:
{
if (fCurrentBlock != NULL) {
target_addr_t address = fCurrentBlock->BaseAddress();
if (message->what == MSG_NAVIGATE_PREVIOUS_BLOCK)
address -= fCurrentBlock->Size();
else
address += fCurrentBlock->Size();
BMessage setMessage(MSG_INSPECT_ADDRESS);
setMessage.AddUInt64("address", address);
PostMessage(&setMessage);
}
break;
}
case MSG_MEMORY_BLOCK_RETRIEVED:
{
TeamMemoryBlock* block = NULL;
status_t result;
if (message->FindPointer("block",
reinterpret_cast<void **>(&block)) != B_OK
|| message->FindInt32("result", &result) != B_OK) {
break;
}
if (result == B_OK) {
_SetCurrentBlock(block);
fPreviousBlockButton->SetEnabled(true);
fNextBlockButton->SetEnabled(true);
} else {
BString errorMessage;
errorMessage.SetToFormat("Unable to read address 0x%" B_PRIx64
": %s", block->BaseAddress(), strerror(result));
BAlert* alert = new(std::nothrow) BAlert("Inspect address",
errorMessage.String(), "Close");
if (alert == NULL)
break;
alert->Go(NULL);
block->ReleaseReference();
}
break;
}
case MSG_EDIT_CURRENT_BLOCK:
{
_SetEditMode(true);
break;
}
case MSG_MEMORY_DATA_CHANGED:
{
if (fCurrentBlock == NULL)
break;
target_addr_t address;
if (message->FindUInt64("address", &address) == B_OK
&& address >= fCurrentBlock->BaseAddress()
&& address < fCurrentBlock->BaseAddress()
+ fCurrentBlock->Size()) {
fCurrentBlock->Invalidate();
_SetEditMode(false);
fListener->InspectRequested(address, this);
}
break;
}
case MSG_COMMIT_MODIFIED_BLOCK:
{
// TODO: this could conceivably be extended to detect the
// individual modified regions and only write those back.
// That would require potentially submitting multiple separate
// write requests, and thus require tracking all the writes being
// waited upon for completion.
fListener->MemoryWriteRequested(fCurrentBlock->BaseAddress(),
fMemoryView->GetEditedData(), fCurrentBlock->Size());
break;
}
case MSG_REVERT_MODIFIED_BLOCK:
{
_SetEditMode(false);
break;
}
default:
{
BWindow::MessageReceived(message);
break;
}
}
}
void
InspectorWindow::MessageReceived(BMessage* message)
{
switch (message->what) {
case MSG_INSPECT_ADDRESS:
{
target_addr_t address = 0;
bool addressValid = false;
if (message->FindUInt64("address", &address) != B_OK) {
ExpressionParser parser;
parser.SetSupportHexInput(true);
const char* addressExpression = fAddressInput->Text();
BString errorMessage;
try {
address = parser.EvaluateToInt64(addressExpression);
} catch(ParseException parseError) {
errorMessage.SetToFormat("Failed to parse address: %s",
parseError.message.String());
} catch(...) {
errorMessage.SetToFormat(
"Unknown error while parsing address");
}
if (errorMessage.Length() > 0) {
BAlert* alert = new(std::nothrow) BAlert("Inspect Address",
errorMessage.String(), "Close");
if (alert != NULL)
alert->Go();
} else
addressValid = true;
} else {
addressValid = true;
}
if (addressValid) {
fCurrentAddress = address;
if (fCurrentBlock == NULL
|| !fCurrentBlock->Contains(address)) {
fListener->InspectRequested(address, this);
} else
fMemoryView->SetTargetAddress(fCurrentBlock, address);
}
break;
}
case MSG_NAVIGATE_PREVIOUS_BLOCK:
case MSG_NAVIGATE_NEXT_BLOCK:
{
if (fCurrentBlock != NULL) {
target_addr_t address = fCurrentBlock->BaseAddress();
if (message->what == MSG_NAVIGATE_PREVIOUS_BLOCK)
address -= fCurrentBlock->Size();
else
address += fCurrentBlock->Size();
BMessage setMessage(MSG_INSPECT_ADDRESS);
setMessage.AddUInt64("address", address);
PostMessage(&setMessage);
}
break;
}
case MSG_MEMORY_BLOCK_RETRIEVED:
{
TeamMemoryBlock* block = NULL;
status_t result;
if (message->FindPointer("block",
reinterpret_cast<void **>(&block)) != B_OK
|| message->FindInt32("result", &result) != B_OK) {
break;
}
{
AutoLocker< ::Team> teamLocker(fTeam);
block->RemoveListener(this);
}
if (result == B_OK) {
if (fCurrentBlock != NULL)
fCurrentBlock->ReleaseReference();
fCurrentBlock = block;
fMemoryView->SetTargetAddress(block, fCurrentAddress);
fPreviousBlockButton->SetEnabled(true);
fNextBlockButton->SetEnabled(true);
} else {
BString errorMessage;
errorMessage.SetToFormat("Unable to read address 0x%" B_PRIx64
": %s", block->BaseAddress(), strerror(result));
BAlert* alert = new(std::nothrow) BAlert("Inspect address",
errorMessage.String(), "Close");
if (alert == NULL)
break;
alert->Go(NULL);
block->ReleaseReference();
}
break;
}
default:
{
BWindow::MessageReceived(message);
break;
}
}
}