void
BreakpointManager::UninstallTemporaryBreakpoint(target_addr_t address,
BreakpointClient* client)
{
AutoLocker<BLocker> installLocker(fLock);
AutoLocker<Team> teamLocker(fTeam);
Breakpoint* breakpoint = fTeam->BreakpointAtAddress(address);
if (breakpoint == NULL)
return;
// remove the client
breakpoint->RemoveClient(client);
// check whether the breakpoint needs to be uninstalled
bool uninstall = !breakpoint->ShouldBeInstalled()
&& breakpoint->IsInstalled();
// if unused remove it
BReference<Breakpoint> breakpointReference(breakpoint);
if (breakpoint->IsUnused())
fTeam->RemoveBreakpoint(breakpoint);
teamLocker.Unlock();
if (uninstall) {
fDebuggerInterface->UninstallBreakpoint(address);
breakpoint->SetInstalled(false);
}
}
status_t
BreakpointManager::InstallTemporaryBreakpoint(target_addr_t address,
BreakpointClient* client)
{
AutoLocker<BLocker> installLocker(fLock);
AutoLocker<Team> teamLocker(fTeam);
// create a breakpoint, if it doesn't exist yet
Breakpoint* breakpoint = fTeam->BreakpointAtAddress(address);
if (breakpoint == NULL) {
Image* image = fTeam->ImageByAddress(address);
if (image == NULL)
return B_BAD_ADDRESS;
breakpoint = new(std::nothrow) Breakpoint(image, address);
if (breakpoint == NULL)
return B_NO_MEMORY;
if (!fTeam->AddBreakpoint(breakpoint))
return B_NO_MEMORY;
}
BReference<Breakpoint> breakpointReference(breakpoint);
// add the client
status_t error;
if (breakpoint->AddClient(client)) {
if (breakpoint->IsInstalled())
return B_OK;
// install
teamLocker.Unlock();
error = fDebuggerInterface->InstallBreakpoint(address);
if (error == B_OK) {
breakpoint->SetInstalled(true);
return B_OK;
}
teamLocker.Lock();
breakpoint->RemoveClient(client);
} else
error = B_NO_MEMORY;
// clean up on error
if (breakpoint->IsUnused())
fTeam->RemoveBreakpoint(breakpoint);
return error;
}
