debugger/debug_managers/BreakpointManager.cpp

25 	fLock("breakpoint manager"),
58 		TRACE_CONTROL("  user breakpoint already valid and with same enabled "
64 	TRACE_CONTROL("  creating breakpoints for breakpoint instances\n");
70 		TRACE_CONTROL("    breakpoint instance %p\n", instance);
73 			TRACE_CONTROL("    -> already has breakpoint\n");
78 		Breakpoint* breakpoint = fTeam->BreakpointAtAddress(address);
79 		if (breakpoint == NULL) {
80 			TRACE_CONTROL("    -> no breakpoint at that address yet\n");
89 			breakpoint = new(std::nothrow) Breakpoint(image, address);
90 			if (breakpoint == NULL || !fTeam->AddBreakpoint(breakpoint)) {
91 				delete breakpoint;
97 		TRACE_CONTROL("    -> adding instance to breakpoint %p\n", breakpoint);
99 		breakpoint->AddUserBreakpoint(instance);
100 		instance->SetBreakpoint(breakpoint);
103 	// If everything looks good so far mark the user breakpoint according to
108 	// notify user breakpoint listeners
121 			TRACE_CONTROL("    breakpoint instance %p\n", instance);
130 		TRACE_CONTROL("  success, marking user breakpoint valid\n");
132 		// everything went fine -- mark the user breakpoint valid
139 				// notify again -- the breakpoint hadn't been added before
154 				Breakpoint* breakpoint = instance->GetBreakpoint();
155 				if (breakpoint == NULL)
160 					breakpoint->RemoveUserBreakpoint(instance);
163 				_UpdateBreakpointInstallation(breakpoint);
167 				if (breakpoint->IsUnused())
168 					fTeam->RemoveBreakpoint(breakpoint);
203 		if (Breakpoint* breakpoint = instance->GetBreakpoint())
204 			_UpdateBreakpointInstallation(breakpoint);
209 	// detach the breakpoints from the user breakpoint instances
212 		if (Breakpoint* breakpoint = instance->GetBreakpoint()) {
214 			breakpoint->RemoveUserBreakpoint(instance);
216 			if (breakpoint->IsUnused())
217 				fTeam->RemoveBreakpoint(breakpoint);
238 	// create a breakpoint, if it doesn't exist yet
239 	Breakpoint* breakpoint = fTeam->BreakpointAtAddress(address);
240 	if (breakpoint == NULL) {
245 		breakpoint = new(std::nothrow) Breakpoint(image, address);
246 		if (breakpoint == NULL)
249 		if (!fTeam->AddBreakpoint(breakpoint))
253 	BReference<Breakpoint> breakpointReference(breakpoint);
257 	if (breakpoint->AddClient(client)) {
258 		if (breakpoint->IsInstalled())
266 			breakpoint->SetInstalled(true);
272 		breakpoint->RemoveClient(client);
277 	if (breakpoint->IsUnused())
278 		fTeam->RemoveBreakpoint(breakpoint);
291 	Breakpoint* breakpoint = fTeam->BreakpointAtAddress(address);
292 	if (breakpoint == NULL)
296 	breakpoint->RemoveClient(client);
298 	// check whether the breakpoint needs to be uninstalled
299 	bool uninstall = !breakpoint->ShouldBeInstalled()
300 		&& breakpoint->IsInstalled();
303 	BReference<Breakpoint> breakpointReference(breakpoint);
304 	if (breakpoint->IsUnused())
305 		fTeam->RemoveBreakpoint(breakpoint);
311 		breakpoint->SetInstalled(false);
336 	// remove obsolete user breakpoint instances
344 			Breakpoint* breakpoint = instance->GetBreakpoint();
345 			if (breakpoint == NULL || breakpoint->GetImage() != image)
349 			breakpoint->RemoveUserBreakpoint(instance);
351 			if (!breakpointsToUpdate.AddItem(breakpoint)) {
352 				_UpdateBreakpointInstallation(breakpoint);
353 				if (breakpoint->IsUnused())
354 					fTeam->RemoveBreakpoint(breakpoint);
363 	for (int32 i = 0; Breakpoint* breakpoint = breakpointsToUpdate.ItemAt(i);
365 		_UpdateBreakpointInstallation(breakpoint);
369 	for (int32 i = 0; Breakpoint* breakpoint = breakpointsToUpdate.ItemAt(i);
371 		if (breakpoint->IsUnused())
372 			fTeam->RemoveBreakpoint(breakpoint);
375 	// add breakpoint instances for function instances in the image (if we have
403 			// get the breakpoint address for the instance
431 			// create the user breakpoint instance
444 			// get/create the breakpoint for the address
446 			Breakpoint* breakpoint = fTeam->BreakpointAtAddress(address);
447 			if (breakpoint == NULL) {
448 				breakpoint = new(std::nothrow) Breakpoint(image, address);
449 				if (breakpoint == NULL || !fTeam->AddBreakpoint(breakpoint)) {
450 					delete breakpoint;
455 			breakpoint->AddUserBreakpoint(instance);
456 			instance->SetBreakpoint(breakpoint);
460 	// install the breakpoints for the new user breakpoint instances
464 		Breakpoint* breakpoint = instance->GetBreakpoint();
465 		if (breakpoint == NULL
466 			|| _UpdateBreakpointInstallation(breakpoint) != B_OK) {
471 			if (breakpoint != NULL) {
472 				breakpoint->AddUserBreakpoint(instance);
473 				if (breakpoint->IsUnused())
474 					fTeam->RemoveBreakpoint(breakpoint);
484 BreakpointManager::_UpdateBreakpointInstallation(Breakpoint* breakpoint)
486 	bool shouldBeInstalled = breakpoint->ShouldBeInstalled();
489 		"should be installed: %d, is installed: %d\n", breakpoint,
490 		shouldBeInstalled, breakpoint->IsInstalled());
492 	if (shouldBeInstalled == breakpoint->IsInstalled())
499 		// allow setting the breakpoint so it's saved to settings
502 			fDebuggerInterface->InstallBreakpoint(breakpoint->Address());
508 			breakpoint->Address(), strerror(error));
510 		breakpoint->SetInstalled(true);
513 		fDebuggerInterface->UninstallBreakpoint(breakpoint->Address());
516 			breakpoint->Address());
518 		breakpoint->SetInstalled(false);