diff options
Diffstat (limited to 'lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp | 2795 |
1 files changed, 1273 insertions, 1522 deletions
diff --git a/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp b/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp index d0eaac3c793..e56375ebaa4 100644 --- a/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp +++ b/lldb/source/Plugins/Process/Darwin/NativeProcessDarwin.cpp @@ -40,170 +40,142 @@ using namespace lldb_private::darwin_process_launcher; // Hidden Impl // ----------------------------------------------------------------------------- -namespace -{ - struct hack_task_dyld_info { - mach_vm_address_t all_image_info_addr; - mach_vm_size_t all_image_info_size; - }; +namespace { +struct hack_task_dyld_info { + mach_vm_address_t all_image_info_addr; + mach_vm_size_t all_image_info_size; +}; } // ----------------------------------------------------------------------------- // Public Static Methods // ----------------------------------------------------------------------------- -Error -NativeProcessProtocol::Launch(ProcessLaunchInfo &launch_info, - NativeProcessProtocol::NativeDelegate - &native_delegate, - MainLoop &mainloop, - NativeProcessProtocolSP &native_process_sp) -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - Error error; - - // Verify the working directory is valid if one was specified. - FileSpec working_dir(launch_info.GetWorkingDirectory()); - if (working_dir && - (!working_dir.ResolvePath() || - working_dir.GetFileType() != FileSpec::eFileTypeDirectory)) - { - error.SetErrorStringWithFormat("No such file or directory: %s", - working_dir.GetCString()); - return error; - } +Error NativeProcessProtocol::Launch( + ProcessLaunchInfo &launch_info, + NativeProcessProtocol::NativeDelegate &native_delegate, MainLoop &mainloop, + NativeProcessProtocolSP &native_process_sp) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + + Error error; + + // Verify the working directory is valid if one was specified. + FileSpec working_dir(launch_info.GetWorkingDirectory()); + if (working_dir && + (!working_dir.ResolvePath() || + working_dir.GetFileType() != FileSpec::eFileTypeDirectory)) { + error.SetErrorStringWithFormat("No such file or directory: %s", + working_dir.GetCString()); + return error; + } - // Launch the inferior. - int pty_master_fd = -1; - LaunchFlavor launch_flavor = LaunchFlavor::Default; + // Launch the inferior. + int pty_master_fd = -1; + LaunchFlavor launch_flavor = LaunchFlavor::Default; - error = LaunchInferior(launch_info, &pty_master_fd, &launch_flavor); + error = LaunchInferior(launch_info, &pty_master_fd, &launch_flavor); - // Handle launch failure. - if (!error.Success()) - { - if (log) - log->Printf("NativeProcessDarwin::%s() failed to launch process: " - "%s", - __FUNCTION__, error.AsCString()); - return error; - } - - // Handle failure to return a pid. - if (launch_info.GetProcessID() == LLDB_INVALID_PROCESS_ID) - { - if (log) - log->Printf("NativeProcessDarwin::%s() launch succeeded but no " - "pid was returned! Aborting.", __FUNCTION__); - return error; - } - - // Create the Darwin native process impl. - std::shared_ptr<NativeProcessDarwin> - np_darwin_sp(new NativeProcessDarwin(launch_info.GetProcessID(), - pty_master_fd)); - if (!np_darwin_sp->RegisterNativeDelegate(native_delegate)) - { - native_process_sp.reset (); - error.SetErrorStringWithFormat ("failed to register the native delegate"); - return error; - } - - // Finalize the processing needed to debug the launched process with - // a NativeProcessDarwin instance. - error = np_darwin_sp->FinalizeLaunch(launch_flavor, mainloop); - if (!error.Success()) - { - if (log) - log->Printf("NativeProcessDarwin::%s() aborting, failed to finalize" - " the launching of the process: %s", - __FUNCTION__, error.AsCString()); - return error; - } + // Handle launch failure. + if (!error.Success()) { + if (log) + log->Printf("NativeProcessDarwin::%s() failed to launch process: " + "%s", + __FUNCTION__, error.AsCString()); + return error; + } - // Return the process and process id to the caller through the launch args. - native_process_sp = np_darwin_sp; + // Handle failure to return a pid. + if (launch_info.GetProcessID() == LLDB_INVALID_PROCESS_ID) { + if (log) + log->Printf("NativeProcessDarwin::%s() launch succeeded but no " + "pid was returned! Aborting.", + __FUNCTION__); return error; -} + } + + // Create the Darwin native process impl. + std::shared_ptr<NativeProcessDarwin> np_darwin_sp( + new NativeProcessDarwin(launch_info.GetProcessID(), pty_master_fd)); + if (!np_darwin_sp->RegisterNativeDelegate(native_delegate)) { + native_process_sp.reset(); + error.SetErrorStringWithFormat("failed to register the native delegate"); + return error; + } -Error -NativeProcessProtocol::Attach(lldb::pid_t pid, - NativeProcessProtocol::NativeDelegate - &native_delegate, - MainLoop &mainloop, - NativeProcessProtocolSP &native_process_sp) -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + // Finalize the processing needed to debug the launched process with + // a NativeProcessDarwin instance. + error = np_darwin_sp->FinalizeLaunch(launch_flavor, mainloop); + if (!error.Success()) { if (log) - log->Printf ("NativeProcessDarwin::%s(pid = %" PRIi64 ")", __FUNCTION__, - pid); + log->Printf("NativeProcessDarwin::%s() aborting, failed to finalize" + " the launching of the process: %s", + __FUNCTION__, error.AsCString()); + return error; + } - // Retrieve the architecture for the running process. - ArchSpec process_arch; - Error error = ResolveProcessArchitecture(pid, process_arch); - if (!error.Success()) - return error; + // Return the process and process id to the caller through the launch args. + native_process_sp = np_darwin_sp; + return error; +} - // TODO get attach to return this value. - const int pty_master_fd = -1; - std::shared_ptr<NativeProcessDarwin> native_process_darwin_sp( - new NativeProcessDarwin(pid, pty_master_fd)); +Error NativeProcessProtocol::Attach( + lldb::pid_t pid, NativeProcessProtocol::NativeDelegate &native_delegate, + MainLoop &mainloop, NativeProcessProtocolSP &native_process_sp) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (log) + log->Printf("NativeProcessDarwin::%s(pid = %" PRIi64 ")", __FUNCTION__, + pid); + + // Retrieve the architecture for the running process. + ArchSpec process_arch; + Error error = ResolveProcessArchitecture(pid, process_arch); + if (!error.Success()) + return error; - if (!native_process_darwin_sp->RegisterNativeDelegate(native_delegate)) - { - error.SetErrorStringWithFormat("failed to register the native " - "delegate"); - return error; - } + // TODO get attach to return this value. + const int pty_master_fd = -1; + std::shared_ptr<NativeProcessDarwin> native_process_darwin_sp( + new NativeProcessDarwin(pid, pty_master_fd)); - native_process_darwin_sp->AttachToInferior(mainloop, pid, error); - if (!error.Success()) - return error; + if (!native_process_darwin_sp->RegisterNativeDelegate(native_delegate)) { + error.SetErrorStringWithFormat("failed to register the native " + "delegate"); + return error; + } - native_process_sp = native_process_darwin_sp; + native_process_darwin_sp->AttachToInferior(mainloop, pid, error); + if (!error.Success()) return error; + + native_process_sp = native_process_darwin_sp; + return error; } // ----------------------------------------------------------------------------- // ctor/dtor // ----------------------------------------------------------------------------- -NativeProcessDarwin::NativeProcessDarwin(lldb::pid_t pid, int pty_master_fd) : - NativeProcessProtocol(pid), - m_task(TASK_NULL), - m_did_exec(false), - m_cpu_type(0), - m_exception_port(MACH_PORT_NULL), - m_exc_port_info(), - m_exception_thread(nullptr), - m_exception_messages_mutex(), - m_sent_interrupt_signo(0), - m_auto_resume_signo(0), - m_thread_list(), - m_thread_actions(), - m_waitpid_pipe(), - m_waitpid_thread(nullptr), - m_waitpid_reader_handle() -{ - // TODO add this to the NativeProcessProtocol constructor. - m_terminal_fd = pty_master_fd; +NativeProcessDarwin::NativeProcessDarwin(lldb::pid_t pid, int pty_master_fd) + : NativeProcessProtocol(pid), m_task(TASK_NULL), m_did_exec(false), + m_cpu_type(0), m_exception_port(MACH_PORT_NULL), m_exc_port_info(), + m_exception_thread(nullptr), m_exception_messages_mutex(), + m_sent_interrupt_signo(0), m_auto_resume_signo(0), m_thread_list(), + m_thread_actions(), m_waitpid_pipe(), m_waitpid_thread(nullptr), + m_waitpid_reader_handle() { + // TODO add this to the NativeProcessProtocol constructor. + m_terminal_fd = pty_master_fd; } -NativeProcessDarwin::~NativeProcessDarwin() -{ -} +NativeProcessDarwin::~NativeProcessDarwin() {} // ----------------------------------------------------------------------------- // Instance methods // ----------------------------------------------------------------------------- -Error -NativeProcessDarwin::FinalizeLaunch(LaunchFlavor launch_flavor, - MainLoop &main_loop) -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); +Error NativeProcessDarwin::FinalizeLaunch(LaunchFlavor launch_flavor, + MainLoop &main_loop) { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); #if 0 m_path = path; @@ -213,772 +185,680 @@ NativeProcessDarwin::FinalizeLaunch(LaunchFlavor launch_flavor, m_args.push_back(arg); #endif - error = StartExceptionThread(); - if (!error.Success()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failure starting the " - "mach exception port monitor thread: %s", - __FUNCTION__, error.AsCString()); + error = StartExceptionThread(); + if (!error.Success()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): failure starting the " + "mach exception port monitor thread: %s", + __FUNCTION__, error.AsCString()); - // Terminate the inferior process. There's nothing meaningful we can - // do if we can't receive signals and exceptions. Since we launched - // the process, it's fair game for us to kill it. - ::ptrace(PT_KILL, m_pid, 0, 0); - SetState(eStateExited); + // Terminate the inferior process. There's nothing meaningful we can + // do if we can't receive signals and exceptions. Since we launched + // the process, it's fair game for us to kill it. + ::ptrace(PT_KILL, m_pid, 0, 0); + SetState(eStateExited); - return error; + return error; + } + + StartSTDIOThread(); + + if (launch_flavor == LaunchFlavor::PosixSpawn) { + SetState(eStateAttaching); + errno = 0; + int err = ::ptrace(PT_ATTACHEXC, m_pid, 0, 0); + if (err == 0) { + // m_flags |= eMachProcessFlagsAttached; + if (log) + log->Printf("NativeProcessDarwin::%s(): successfully spawned " + "process with pid %" PRIu64, + __FUNCTION__, m_pid); + } else { + error.SetErrorToErrno(); + SetState(eStateExited); + if (log) + log->Printf("NativeProcessDarwin::%s(): error: failed to " + "attach to spawned pid %" PRIu64 " (error=%d (%s))", + __FUNCTION__, m_pid, (int)error.GetError(), + error.AsCString()); + return error; } + } - StartSTDIOThread(); - - if (launch_flavor == LaunchFlavor::PosixSpawn) - { - SetState(eStateAttaching); - errno = 0; - int err = ::ptrace(PT_ATTACHEXC, m_pid, 0, 0); - if (err == 0) - { - // m_flags |= eMachProcessFlagsAttached; - if (log) - log->Printf("NativeProcessDarwin::%s(): successfully spawned " - "process with pid %" PRIu64, __FUNCTION__, m_pid); - } - else - { - error.SetErrorToErrno(); - SetState(eStateExited); - if (log) - log->Printf("NativeProcessDarwin::%s(): error: failed to " - "attach to spawned pid %" PRIu64 " (error=%d (%s))", - __FUNCTION__, m_pid, (int)error.GetError(), - error.AsCString()); - return error; - } - } + if (log) + log->Printf("NativeProcessDarwin::%s(): new pid is %" PRIu64 "...", + __FUNCTION__, m_pid); + // Spawn a thread to reap our child inferior process... + error = StartWaitpidThread(main_loop); + if (error.Fail()) { if (log) - log->Printf("NativeProcessDarwin::%s(): new pid is %" PRIu64 "...", - __FUNCTION__, m_pid); - - // Spawn a thread to reap our child inferior process... - error = StartWaitpidThread(main_loop); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failed to start waitpid() " - "thread: %s", __FUNCTION__, error.AsCString()); - kill(SIGKILL, static_cast<::pid_t>(m_pid)); - return error; - } + log->Printf("NativeProcessDarwin::%s(): failed to start waitpid() " + "thread: %s", + __FUNCTION__, error.AsCString()); + kill(SIGKILL, static_cast<::pid_t>(m_pid)); + return error; + } - if (TaskPortForProcessID(error) == TASK_NULL) - { - // We failed to get the task for our process ID which is bad. - // Kill our process; otherwise, it will be stopped at the entry - // point and get reparented to someone else and never go away. - if (log) - log->Printf("NativeProcessDarwin::%s(): could not get task port " - "for process, sending SIGKILL and exiting: %s", - __FUNCTION__, error.AsCString()); - kill(SIGKILL, static_cast<::pid_t>(m_pid)); - return error; - } + if (TaskPortForProcessID(error) == TASK_NULL) { + // We failed to get the task for our process ID which is bad. + // Kill our process; otherwise, it will be stopped at the entry + // point and get reparented to someone else and never go away. + if (log) + log->Printf("NativeProcessDarwin::%s(): could not get task port " + "for process, sending SIGKILL and exiting: %s", + __FUNCTION__, error.AsCString()); + kill(SIGKILL, static_cast<::pid_t>(m_pid)); + return error; + } - // Indicate that we're stopped, as we always launch suspended. - SetState(eStateStopped); + // Indicate that we're stopped, as we always launch suspended. + SetState(eStateStopped); - // Success. - return error; + // Success. + return error; } -Error -NativeProcessDarwin::SaveExceptionPortInfo() -{ - return m_exc_port_info.Save(m_task); +Error NativeProcessDarwin::SaveExceptionPortInfo() { + return m_exc_port_info.Save(m_task); } -bool -NativeProcessDarwin::ProcessUsingSpringBoard() const -{ - // TODO implement flags - // return (m_flags & eMachProcessFlagsUsingSBS) != 0; - return false; +bool NativeProcessDarwin::ProcessUsingSpringBoard() const { + // TODO implement flags + // return (m_flags & eMachProcessFlagsUsingSBS) != 0; + return false; } -bool -NativeProcessDarwin::ProcessUsingBackBoard() const -{ - // TODO implement flags - // return (m_flags & eMachProcessFlagsUsingBKS) != 0; - return false; +bool NativeProcessDarwin::ProcessUsingBackBoard() const { + // TODO implement flags + // return (m_flags & eMachProcessFlagsUsingBKS) != 0; + return false; } // Called by the exception thread when an exception has been received from // our process. The exception message is completely filled and the exception // data has already been copied. -void -NativeProcessDarwin::ExceptionMessageReceived(const MachException::Message& - message) -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | - LIBLLDB_LOG_VERBOSE)); - - std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); - if (m_exception_messages.empty()) - { - // Suspend the task the moment we receive our first exception message. - SuspendTask(); - } - - // Use a locker to automatically unlock our mutex in case of exceptions - // Add the exception to our internal exception stack - m_exception_messages.push_back(message); - - if (log) - log->Printf("NativeProcessDarwin::%s(): new queued message count: %lu", - __FUNCTION__, m_exception_messages.size()); +void NativeProcessDarwin::ExceptionMessageReceived( + const MachException::Message &message) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE)); + + std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); + if (m_exception_messages.empty()) { + // Suspend the task the moment we receive our first exception message. + SuspendTask(); + } + + // Use a locker to automatically unlock our mutex in case of exceptions + // Add the exception to our internal exception stack + m_exception_messages.push_back(message); + + if (log) + log->Printf("NativeProcessDarwin::%s(): new queued message count: %lu", + __FUNCTION__, m_exception_messages.size()); } -void* -NativeProcessDarwin::ExceptionThread(void *arg) -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | - LIBLLDB_LOG_VERBOSE)); - if (!arg) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): cannot run mach exception " - "thread, mandatory process arg was null", __FUNCTION__); - return nullptr; - } +void *NativeProcessDarwin::ExceptionThread(void *arg) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE)); + if (!arg) { + if (log) + log->Printf("NativeProcessDarwin::%s(): cannot run mach exception " + "thread, mandatory process arg was null", + __FUNCTION__); + return nullptr; + } - return reinterpret_cast<NativeProcessDarwin*>(arg)->DoExceptionThread(); + return reinterpret_cast<NativeProcessDarwin *>(arg)->DoExceptionThread(); } -void* -NativeProcessDarwin::DoExceptionThread() -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | - LIBLLDB_LOG_VERBOSE)); - +void *NativeProcessDarwin::DoExceptionThread() { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE)); + + if (log) + log->Printf("NativeProcessDarwin::%s(arg=%p) starting thread...", + __FUNCTION__, this); + + pthread_setname_np("exception monitoring thread"); + + // Ensure we don't get CPU starved. + MaybeRaiseThreadPriority(); + + // We keep a count of the number of consecutive exceptions received so + // we know to grab all exceptions without a timeout. We do this to get a + // bunch of related exceptions on our exception port so we can process + // then together. When we have multiple threads, we can get an exception + // per thread and they will come in consecutively. The main loop in this + // thread can stop periodically if needed to service things related to this + // process. + // + // [did we lose some words here?] + // + // flag set in the options, so we will wait forever for an exception on + // 0 our exception port. After we get one exception, we then will use the + // MACH_RCV_TIMEOUT option with a zero timeout to grab all other current + // exceptions for our process. After we have received the last pending + // exception, we will get a timeout which enables us to then notify + // our main thread that we have an exception bundle available. We then wait + // for the main thread to tell this exception thread to start trying to get + // exceptions messages again and we start again with a mach_msg read with + // infinite timeout. + // + // We choose to park a thread on this, rather than polling, because the + // polling is expensive. On devices, we need to minimize overhead caused + // by the process monitor. + uint32_t num_exceptions_received = 0; + Error error; + task_t task = m_task; + mach_msg_timeout_t periodic_timeout = 0; + +#if defined(WITH_SPRINGBOARD) && !defined(WITH_BKS) + mach_msg_timeout_t watchdog_elapsed = 0; + mach_msg_timeout_t watchdog_timeout = 60 * 1000; + ::pid_t pid = (::pid_t)process->GetID(); + CFReleaser<SBSWatchdogAssertionRef> watchdog; + + if (process->ProcessUsingSpringBoard()) { + // Request a renewal for every 60 seconds if we attached using + // SpringBoard. + watchdog.reset(::SBSWatchdogAssertionCreateForPID(nullptr, pid, 60)); if (log) - log->Printf("NativeProcessDarwin::%s(arg=%p) starting thread...", - __FUNCTION__, this); - - pthread_setname_np("exception monitoring thread"); - - // Ensure we don't get CPU starved. - MaybeRaiseThreadPriority(); - - // We keep a count of the number of consecutive exceptions received so - // we know to grab all exceptions without a timeout. We do this to get a - // bunch of related exceptions on our exception port so we can process - // then together. When we have multiple threads, we can get an exception - // per thread and they will come in consecutively. The main loop in this - // thread can stop periodically if needed to service things related to this - // process. - // - // [did we lose some words here?] - // - // flag set in the options, so we will wait forever for an exception on - //0 our exception port. After we get one exception, we then will use the - // MACH_RCV_TIMEOUT option with a zero timeout to grab all other current - // exceptions for our process. After we have received the last pending - // exception, we will get a timeout which enables us to then notify - // our main thread that we have an exception bundle available. We then wait - // for the main thread to tell this exception thread to start trying to get - // exceptions messages again and we start again with a mach_msg read with - // infinite timeout. - // - // We choose to park a thread on this, rather than polling, because the - // polling is expensive. On devices, we need to minimize overhead caused - // by the process monitor. - uint32_t num_exceptions_received = 0; - Error error; - task_t task = m_task; - mach_msg_timeout_t periodic_timeout = 0; - -#if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) - mach_msg_timeout_t watchdog_elapsed = 0; - mach_msg_timeout_t watchdog_timeout = 60 * 1000; - ::pid_t pid = (::pid_t)process->GetID(); - CFReleaser<SBSWatchdogAssertionRef> watchdog; - - if (process->ProcessUsingSpringBoard()) - { - // Request a renewal for every 60 seconds if we attached using - // SpringBoard. - watchdog.reset(::SBSWatchdogAssertionCreateForPID(nullptr, pid, 60)); - if (log) - log->Printf("::SBSWatchdogAssertionCreateForPID(NULL, %4.4x, 60) " - "=> %p", pid, watchdog.get()); - - if (watchdog.get()) - { - ::SBSWatchdogAssertionRenew (watchdog.get()); - - CFTimeInterval watchdogRenewalInterval = - ::SBSWatchdogAssertionGetRenewalInterval (watchdog.get()); - if (log) - log->Printf("::SBSWatchdogAssertionGetRenewalInterval(%p) => " - "%g seconds", watchdog.get(), - watchdogRenewalInterval); - if (watchdogRenewalInterval > 0.0) - { - watchdog_timeout = - (mach_msg_timeout_t)watchdogRenewalInterval * 1000; - if (watchdog_timeout > 3000) - { - // Give us a second to renew our timeout. - watchdog_timeout -= 1000; - } - else if (watchdog_timeout > 1000) - { - // Give us a quarter of a second to renew our timeout. - watchdog_timeout -= 250; - } - } + log->Printf("::SBSWatchdogAssertionCreateForPID(NULL, %4.4x, 60) " + "=> %p", + pid, watchdog.get()); + + if (watchdog.get()) { + ::SBSWatchdogAssertionRenew(watchdog.get()); + + CFTimeInterval watchdogRenewalInterval = + ::SBSWatchdogAssertionGetRenewalInterval(watchdog.get()); + if (log) + log->Printf("::SBSWatchdogAssertionGetRenewalInterval(%p) => " + "%g seconds", + watchdog.get(), watchdogRenewalInterval); + if (watchdogRenewalInterval > 0.0) { + watchdog_timeout = (mach_msg_timeout_t)watchdogRenewalInterval * 1000; + if (watchdog_timeout > 3000) { + // Give us a second to renew our timeout. + watchdog_timeout -= 1000; + } else if (watchdog_timeout > 1000) { + // Give us a quarter of a second to renew our timeout. + watchdog_timeout -= 250; } - if (periodic_timeout == 0 || periodic_timeout > watchdog_timeout) - periodic_timeout = watchdog_timeout; + } } -#endif // #if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) + if (periodic_timeout == 0 || periodic_timeout > watchdog_timeout) + periodic_timeout = watchdog_timeout; + } +#endif // #if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) #ifdef WITH_BKS - CFReleaser<BKSWatchdogAssertionRef> watchdog; - if (process->ProcessUsingBackBoard()) - { - ::pid_t pid = process->GetID(); - CFAllocatorRef alloc = kCFAllocatorDefault; - watchdog.reset(::BKSWatchdogAssertionCreateForPID(alloc, pid)); - } + CFReleaser<BKSWatchdogAssertionRef> watchdog; + if (process->ProcessUsingBackBoard()) { + ::pid_t pid = process->GetID(); + CFAllocatorRef alloc = kCFAllocatorDefault; + watchdog.reset(::BKSWatchdogAssertionCreateForPID(alloc, pid)); + } #endif // #ifdef WITH_BKS - // Do we want to use a weak pointer to the NativeProcessDarwin here, in - // which case we can guarantee we don't whack the process monitor if we - // race between this thread and the main one on shutdown? - while (IsExceptionPortValid()) - { - ::pthread_testcancel(); - - MachException::Message exception_message; - - if (num_exceptions_received > 0) - { - // We don't want a timeout here, just receive as many exceptions as - // we can since we already have one. We want to get all currently - // available exceptions for this task at once. - error = exception_message.Receive(GetExceptionPort(), - MACH_RCV_MSG | MACH_RCV_INTERRUPT - | MACH_RCV_TIMEOUT, 0); + // Do we want to use a weak pointer to the NativeProcessDarwin here, in + // which case we can guarantee we don't whack the process monitor if we + // race between this thread and the main one on shutdown? + while (IsExceptionPortValid()) { + ::pthread_testcancel(); + + MachException::Message exception_message; + + if (num_exceptions_received > 0) { + // We don't want a timeout here, just receive as many exceptions as + // we can since we already have one. We want to get all currently + // available exceptions for this task at once. + error = exception_message.Receive( + GetExceptionPort(), + MACH_RCV_MSG | MACH_RCV_INTERRUPT | MACH_RCV_TIMEOUT, 0); + } else if (periodic_timeout > 0) { + // We need to stop periodically in this loop, so try and get a mach + // message with a valid timeout (ms). + error = exception_message.Receive(GetExceptionPort(), + MACH_RCV_MSG | MACH_RCV_INTERRUPT | + MACH_RCV_TIMEOUT, + periodic_timeout); + } else { + // We don't need to parse all current exceptions or stop + // periodically, just wait for an exception forever. + error = exception_message.Receive(GetExceptionPort(), + MACH_RCV_MSG | MACH_RCV_INTERRUPT, 0); + } + + if (error.Success()) { + // We successfully received an exception. + if (exception_message.CatchExceptionRaise(task)) { + ++num_exceptions_received; + ExceptionMessageReceived(exception_message); + } + } else { + if (error.GetError() == MACH_RCV_INTERRUPTED) { + // We were interrupted. + + // If we have no task port we should exit this thread, as it implies + // the inferior went down. + if (!IsExceptionPortValid()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): the inferior " + "exception port is no longer valid, " + "canceling exception thread...", + __FUNCTION__); + // Should we be setting a process state here? + break; } - else if (periodic_timeout > 0) - { - // We need to stop periodically in this loop, so try and get a mach - // message with a valid timeout (ms). - error = exception_message.Receive(GetExceptionPort(), - MACH_RCV_MSG | MACH_RCV_INTERRUPT - | MACH_RCV_TIMEOUT, - periodic_timeout); + + // Make sure the inferior task is still valid. + if (IsTaskValid()) { + // Task is still ok. + if (log) + log->Printf("NativeProcessDarwin::%s(): interrupted, but " + "the inferior task iss till valid, " + "continuing...", + __FUNCTION__); + continue; + } else { + // The inferior task is no longer valid. Time to exit as + // the process has gone away. + if (log) + log->Printf("NativeProcessDarwin::%s(): the inferior task " + "has exited, and so will we...", + __FUNCTION__); + // Does this race at all with our waitpid()? + SetState(eStateExited); + break; } - else - { - // We don't need to parse all current exceptions or stop - // periodically, just wait for an exception forever. - error = exception_message.Receive(GetExceptionPort(), - MACH_RCV_MSG | MACH_RCV_INTERRUPT, - 0); + } else if (error.GetError() == MACH_RCV_TIMED_OUT) { + // We timed out when waiting for exceptions. + + if (num_exceptions_received > 0) { + // We were receiving all current exceptions with a timeout of + // zero. It is time to go back to our normal looping mode. + num_exceptions_received = 0; + + // Notify our main thread we have a complete exception message + // bundle available. Get the possibly updated task port back + // from the process in case we exec'ed and our task port + // changed. + task = ExceptionMessageBundleComplete(); + + // In case we use a timeout value when getting exceptions, + // make sure our task is still valid. + if (IsTaskValid(task)) { + // Task is still ok. + if (log) + log->Printf("NativeProcessDarwin::%s(): got a timeout, " + "continuing...", + __FUNCTION__); + continue; + } else { + // The inferior task is no longer valid. Time to exit as + // the process has gone away. + if (log) + log->Printf("NativeProcessDarwin::%s(): the inferior " + "task has exited, and so will we...", + __FUNCTION__); + // Does this race at all with our waitpid()? + SetState(eStateExited); + break; + } } - if (error.Success()) - { - // We successfully received an exception. - if (exception_message.CatchExceptionRaise(task)) - { - ++num_exceptions_received; - ExceptionMessageReceived(exception_message); - } +#if defined(WITH_SPRINGBOARD) && !defined(WITH_BKS) + if (watchdog.get()) { + watchdog_elapsed += periodic_timeout; + if (watchdog_elapsed >= watchdog_timeout) { + if (log) + log->Printf("SBSWatchdogAssertionRenew(%p)", watchdog.get()); + ::SBSWatchdogAssertionRenew(watchdog.get()); + watchdog_elapsed = 0; + } } - else - { - if (error.GetError() == MACH_RCV_INTERRUPTED) - { - // We were interrupted. - - // If we have no task port we should exit this thread, as it implies - // the inferior went down. - if (!IsExceptionPortValid()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): the inferior " - "exception port is no longer valid, " - "canceling exception thread...", __FUNCTION__); - // Should we be setting a process state here? - break; - } - - // Make sure the inferior task is still valid. - if (IsTaskValid()) - { - // Task is still ok. - if (log) - log->Printf("NativeProcessDarwin::%s(): interrupted, but " - "the inferior task iss till valid, " - "continuing...", __FUNCTION__); - continue; - } - else - { - // The inferior task is no longer valid. Time to exit as - // the process has gone away. - if (log) - log->Printf("NativeProcessDarwin::%s(): the inferior task " - "has exited, and so will we...", __FUNCTION__); - // Does this race at all with our waitpid()? - SetState(eStateExited); - break; - } - } - else if (error.GetError() == MACH_RCV_TIMED_OUT) - { - // We timed out when waiting for exceptions. - - if (num_exceptions_received > 0) - { - // We were receiving all current exceptions with a timeout of - // zero. It is time to go back to our normal looping mode. - num_exceptions_received = 0; - - // Notify our main thread we have a complete exception message - // bundle available. Get the possibly updated task port back - // from the process in case we exec'ed and our task port - // changed. - task = ExceptionMessageBundleComplete(); - - // In case we use a timeout value when getting exceptions, - // make sure our task is still valid. - if (IsTaskValid(task)) - { - // Task is still ok. - if (log) - log->Printf("NativeProcessDarwin::%s(): got a timeout, " - "continuing...", __FUNCTION__); - continue; - } - else - { - // The inferior task is no longer valid. Time to exit as - // the process has gone away. - if (log) - log->Printf("NativeProcessDarwin::%s(): the inferior " - "task has exited, and so will we...", - __FUNCTION__); - // Does this race at all with our waitpid()? - SetState(eStateExited); - break; - } - } - -#if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) - if (watchdog.get()) - { - watchdog_elapsed += periodic_timeout; - if (watchdog_elapsed >= watchdog_timeout) - { - if (log) - log->Printf("SBSWatchdogAssertionRenew(%p)", - watchdog.get()); - ::SBSWatchdogAssertionRenew (watchdog.get()); - watchdog_elapsed = 0; - } - } #endif - } - else - { - if (log) - log->Printf("NativeProcessDarwin::%s(): continuing after " - "receiving an unexpected error: %u (%s)", - __FUNCTION__, error.GetError(), error.AsCString()); - // TODO: notify of error? - } - } - } - -#if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) - if (watchdog.get()) - { - // TODO: change SBSWatchdogAssertionRelease to SBSWatchdogAssertionCancel when we - // all are up and running on systems that support it. The SBS framework has a #define - // that will forward SBSWatchdogAssertionRelease to SBSWatchdogAssertionCancel for now - // so it should still build either way. - DNBLogThreadedIf(LOG_TASK, "::SBSWatchdogAssertionRelease(%p)", watchdog.get()); - ::SBSWatchdogAssertionRelease (watchdog.get()); + } else { + if (log) + log->Printf("NativeProcessDarwin::%s(): continuing after " + "receiving an unexpected error: %u (%s)", + __FUNCTION__, error.GetError(), error.AsCString()); + // TODO: notify of error? + } } -#endif // #if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) - - if (log) - log->Printf("NativeProcessDarwin::%s(%p): thread exiting...", - __FUNCTION__, this); - return nullptr; + } + +#if defined(WITH_SPRINGBOARD) && !defined(WITH_BKS) + if (watchdog.get()) { + // TODO: change SBSWatchdogAssertionRelease to SBSWatchdogAssertionCancel + // when we + // all are up and running on systems that support it. The SBS framework has + // a #define + // that will forward SBSWatchdogAssertionRelease to + // SBSWatchdogAssertionCancel for now + // so it should still build either way. + DNBLogThreadedIf(LOG_TASK, "::SBSWatchdogAssertionRelease(%p)", + watchdog.get()); + ::SBSWatchdogAssertionRelease(watchdog.get()); + } +#endif // #if defined (WITH_SPRINGBOARD) && !defined (WITH_BKS) + + if (log) + log->Printf("NativeProcessDarwin::%s(%p): thread exiting...", __FUNCTION__, + this); + return nullptr; } -Error -NativeProcessDarwin::StartExceptionThread() -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf("NativeProcessDarwin::%s() called", __FUNCTION__); - - // Make sure we've looked up the inferior port. - TaskPortForProcessID(error); +Error NativeProcessDarwin::StartExceptionThread() { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (log) + log->Printf("NativeProcessDarwin::%s() called", __FUNCTION__); - // Ensure the inferior task is valid. - if (!IsTaskValid()) - { - error.SetErrorStringWithFormat("cannot start exception thread: " - "task 0x%4.4x is not valid", m_task); - return error; - } + // Make sure we've looked up the inferior port. + TaskPortForProcessID(error); - // Get the mach port for the process monitor. - mach_port_t task_self = mach_task_self(); + // Ensure the inferior task is valid. + if (!IsTaskValid()) { + error.SetErrorStringWithFormat("cannot start exception thread: " + "task 0x%4.4x is not valid", + m_task); + return error; + } - // Allocate an exception port that we will use to track our child process - auto mach_err = ::mach_port_allocate(task_self, MACH_PORT_RIGHT_RECEIVE, - &m_exception_port); - error.SetError(mach_err, eErrorTypeMachKernel); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): mach_port_allocate(" - "task_self=0x%4.4x, MACH_PORT_RIGHT_RECEIVE, " - "&m_exception_port) failed: %u (%s)", __FUNCTION__, - task_self, error.GetError(), error.AsCString()); - return error; - } + // Get the mach port for the process monitor. + mach_port_t task_self = mach_task_self(); - // Add the ability to send messages on the new exception port - mach_err = ::mach_port_insert_right(task_self, m_exception_port, - m_exception_port, MACH_MSG_TYPE_MAKE_SEND); - error.SetError(mach_err, eErrorTypeMachKernel); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): mach_port_insert_right(" - "task_self=0x%4.4x, m_exception_port=0x%4.4x, " - "m_exception_port=0x%4.4x, MACH_MSG_TYPE_MAKE_SEND) " - "failed: %u (%s)", __FUNCTION__, - task_self, m_exception_port, m_exception_port, - error.GetError(), error.AsCString()); - return error; - } + // Allocate an exception port that we will use to track our child process + auto mach_err = ::mach_port_allocate(task_self, MACH_PORT_RIGHT_RECEIVE, + &m_exception_port); + error.SetError(mach_err, eErrorTypeMachKernel); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): mach_port_allocate(" + "task_self=0x%4.4x, MACH_PORT_RIGHT_RECEIVE, " + "&m_exception_port) failed: %u (%s)", + __FUNCTION__, task_self, error.GetError(), error.AsCString()); + return error; + } - // Save the original state of the exception ports for our child process. - error = SaveExceptionPortInfo(); - if (error.Fail() || (m_exc_port_info.mask == 0)) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): SaveExceptionPortInfo() " - "failed, cannot install exception handler: %s", - __FUNCTION__, error.AsCString()); - return error; - } + // Add the ability to send messages on the new exception port + mach_err = ::mach_port_insert_right( + task_self, m_exception_port, m_exception_port, MACH_MSG_TYPE_MAKE_SEND); + error.SetError(mach_err, eErrorTypeMachKernel); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): mach_port_insert_right(" + "task_self=0x%4.4x, m_exception_port=0x%4.4x, " + "m_exception_port=0x%4.4x, MACH_MSG_TYPE_MAKE_SEND) " + "failed: %u (%s)", + __FUNCTION__, task_self, m_exception_port, m_exception_port, + error.GetError(), error.AsCString()); + return error; + } - // Set the ability to get all exceptions on this port. - mach_err = ::task_set_exception_ports(m_task, m_exc_port_info.mask, - m_exception_port, - EXCEPTION_DEFAULT | - MACH_EXCEPTION_CODES, - THREAD_STATE_NONE); - error.SetError(mach_err, eErrorTypeMachKernel); - if (error.Fail()) - { - if (log) - log->Printf("::task_set_exception_ports (task = 0x%4.4x, " - "exception_mask = 0x%8.8x, new_port = 0x%4.4x, " - "behavior = 0x%8.8x, new_flavor = 0x%8.8x) failed: " - "%u (%s)", m_task, m_exc_port_info.mask, - m_exception_port, (EXCEPTION_DEFAULT | - MACH_EXCEPTION_CODES), - THREAD_STATE_NONE, error.GetError(), - error.AsCString()); - return error; - } + // Save the original state of the exception ports for our child process. + error = SaveExceptionPortInfo(); + if (error.Fail() || (m_exc_port_info.mask == 0)) { + if (log) + log->Printf("NativeProcessDarwin::%s(): SaveExceptionPortInfo() " + "failed, cannot install exception handler: %s", + __FUNCTION__, error.AsCString()); + return error; + } + + // Set the ability to get all exceptions on this port. + mach_err = ::task_set_exception_ports( + m_task, m_exc_port_info.mask, m_exception_port, + EXCEPTION_DEFAULT | MACH_EXCEPTION_CODES, THREAD_STATE_NONE); + error.SetError(mach_err, eErrorTypeMachKernel); + if (error.Fail()) { + if (log) + log->Printf("::task_set_exception_ports (task = 0x%4.4x, " + "exception_mask = 0x%8.8x, new_port = 0x%4.4x, " + "behavior = 0x%8.8x, new_flavor = 0x%8.8x) failed: " + "%u (%s)", + m_task, m_exc_port_info.mask, m_exception_port, + (EXCEPTION_DEFAULT | MACH_EXCEPTION_CODES), THREAD_STATE_NONE, + error.GetError(), error.AsCString()); + return error; + } - // Create the exception thread. - auto pthread_err = ::pthread_create(&m_exception_thread, nullptr, - ExceptionThread, this); - error.SetError(pthread_err, eErrorTypePOSIX); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failed to create Mach " - "exception-handling thread: %u (%s)", __FUNCTION__, - error.GetError(), error.AsCString()); - } + // Create the exception thread. + auto pthread_err = + ::pthread_create(&m_exception_thread, nullptr, ExceptionThread, this); + error.SetError(pthread_err, eErrorTypePOSIX); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): failed to create Mach " + "exception-handling thread: %u (%s)", + __FUNCTION__, error.GetError(), error.AsCString()); + } - return error; + return error; } lldb::addr_t -NativeProcessDarwin::GetDYLDAllImageInfosAddress(Error &error) const -{ - error.Clear(); - - struct hack_task_dyld_info dyld_info; - mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT; - // Make sure that COUNT isn't bigger than our hacked up struct - // hack_task_dyld_info. If it is, then make COUNT smaller to match. - if (count > (sizeof(struct hack_task_dyld_info) / sizeof(natural_t))) - { - count = (sizeof(struct hack_task_dyld_info) / sizeof(natural_t)); - } - - TaskPortForProcessID(error); - if (error.Fail()) - return LLDB_INVALID_ADDRESS; +NativeProcessDarwin::GetDYLDAllImageInfosAddress(Error &error) const { + error.Clear(); + + struct hack_task_dyld_info dyld_info; + mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT; + // Make sure that COUNT isn't bigger than our hacked up struct + // hack_task_dyld_info. If it is, then make COUNT smaller to match. + if (count > (sizeof(struct hack_task_dyld_info) / sizeof(natural_t))) { + count = (sizeof(struct hack_task_dyld_info) / sizeof(natural_t)); + } + + TaskPortForProcessID(error); + if (error.Fail()) + return LLDB_INVALID_ADDRESS; - auto mach_err = ::task_info(m_task, TASK_DYLD_INFO, (task_info_t)&dyld_info, - &count); - error.SetError(mach_err, eErrorTypeMachKernel); - if (error.Success()) - { - // We now have the address of the all image infos structure. - return dyld_info.all_image_info_addr; - } + auto mach_err = + ::task_info(m_task, TASK_DYLD_INFO, (task_info_t)&dyld_info, &count); + error.SetError(mach_err, eErrorTypeMachKernel); + if (error.Success()) { + // We now have the address of the all image infos structure. + return dyld_info.all_image_info_addr; + } - // We don't have it. - return LLDB_INVALID_ADDRESS; + // We don't have it. + return LLDB_INVALID_ADDRESS; } -uint32_t -NativeProcessDarwin::GetCPUTypeForLocalProcess(::pid_t pid) -{ - int mib[CTL_MAXNAME] = {0, }; - size_t len = CTL_MAXNAME; +uint32_t NativeProcessDarwin::GetCPUTypeForLocalProcess(::pid_t pid) { + int mib[CTL_MAXNAME] = { + 0, + }; + size_t len = CTL_MAXNAME; - if (::sysctlnametomib("sysctl.proc_cputype", mib, &len)) - return 0; + if (::sysctlnametomib("sysctl.proc_cputype", mib, &len)) + return 0; - mib[len] = pid; - len++; + mib[len] = pid; + len++; - cpu_type_t cpu; - size_t cpu_len = sizeof(cpu); - if (::sysctl (mib, static_cast<u_int>(len), &cpu, &cpu_len, 0, 0)) - cpu = 0; - return cpu; + cpu_type_t cpu; + size_t cpu_len = sizeof(cpu); + if (::sysctl(mib, static_cast<u_int>(len), &cpu, &cpu_len, 0, 0)) + cpu = 0; + return cpu; } -uint32_t -NativeProcessDarwin::GetCPUType() const -{ - if (m_cpu_type == 0 && m_pid != 0) - m_cpu_type = GetCPUTypeForLocalProcess(m_pid); - return m_cpu_type; +uint32_t NativeProcessDarwin::GetCPUType() const { + if (m_cpu_type == 0 && m_pid != 0) + m_cpu_type = GetCPUTypeForLocalProcess(m_pid); + return m_cpu_type; } -task_t -NativeProcessDarwin::ExceptionMessageBundleComplete() -{ - // We have a complete bundle of exceptions for our child process. - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | - LIBLLDB_LOG_VERBOSE)); - - std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); - if (log) - log->Printf("NativeProcessDarwin::%s(): processing %lu exception " - "messages.", __FUNCTION__, m_exception_messages.size()); - - if (m_exception_messages.empty()) - { - // Not particularly useful... - return m_task; - } - - bool auto_resume = false; - m_did_exec = false; +task_t NativeProcessDarwin::ExceptionMessageBundleComplete() { + // We have a complete bundle of exceptions for our child process. + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE)); - // First check for any SIGTRAP and make sure we didn't exec - const task_t task = m_task; - size_t i; - if (m_pid != 0) - { - bool received_interrupt = false; - uint32_t num_task_exceptions = 0; - for (i = 0; i < m_exception_messages.size(); ++i) - { - if (m_exception_messages[i].state.task_port != task) - { - // This is an exception that is not for our inferior, ignore. - continue; - } - - // This is an exception for the inferior. - ++num_task_exceptions; - const int signo = m_exception_messages[i].state.SoftSignal(); - if (signo == SIGTRAP) - { - // SIGTRAP could mean that we exec'ed. We need to check the - // dyld all_image_infos.infoArray to see if it is NULL and if - // so, say that we exec'ed. - const addr_t aii_addr = - GetDYLDAllImageInfosAddress(error); - if (aii_addr == LLDB_INVALID_ADDRESS) - break; - - const addr_t info_array_count_addr = aii_addr + 4; - uint32_t info_array_count = 0; - size_t bytes_read = 0; - Error read_error; - read_error = ReadMemory(info_array_count_addr, // source addr - &info_array_count, // dest addr - 4, // byte count - bytes_read); // #bytes read - if (read_error.Success() && (bytes_read == 4)) - { - if (info_array_count == 0) - { - // We got the all infos address, and there are zero - // entries. We think we exec'd. - m_did_exec = true; - - // Force the task port to update itself in case the - // task port changed after exec - const task_t old_task = m_task; - const bool force_update = true; - const task_t new_task = - TaskPortForProcessID(error, force_update); - if (old_task != new_task) - { - if (log) - log->Printf("exec: inferior task port changed " - "from 0x%4.4x to 0x%4.4x", old_task, - new_task); - } - } - } - else - { - if (log) - log->Printf("NativeProcessDarwin::%s() warning: " - "failed to read all_image_infos." - "infoArrayCount from 0x%8.8llx", - __FUNCTION__, info_array_count_addr); - } - } - else if ((m_sent_interrupt_signo != 0) && - (signo == m_sent_interrupt_signo)) - { - // We just received the interrupt that we sent to ourselves. - received_interrupt = true; - } - } - - if (m_did_exec) - { - cpu_type_t process_cpu_type = GetCPUTypeForLocalProcess(m_pid); - if (m_cpu_type != process_cpu_type) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): arch changed from " - "0x%8.8x to 0x%8.8x", __FUNCTION__, m_cpu_type, - process_cpu_type); - m_cpu_type = process_cpu_type; - // TODO figure out if we need to do something here. - // DNBArchProtocol::SetArchitecture (process_cpu_type); - } - m_thread_list.Clear(); + std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); + if (log) + log->Printf("NativeProcessDarwin::%s(): processing %lu exception " + "messages.", + __FUNCTION__, m_exception_messages.size()); - // TODO hook up breakpoints. - // m_breakpoints.DisableAll(); - } - - if (m_sent_interrupt_signo != 0) - { - if (received_interrupt) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): process " - "successfully interrupted with signal %i", - __FUNCTION__, m_sent_interrupt_signo); - - // Mark that we received the interrupt signal - m_sent_interrupt_signo = 0; - // Now check if we had a case where: - // 1 - We called NativeProcessDarwin::Interrupt() but we stopped - // for another reason. - // 2 - We called NativeProcessDarwin::Resume() (but still - // haven't gotten the interrupt signal). - // 3 - We are now incorrectly stopped because we are handling - // the interrupt signal we missed. - // 4 - We might need to resume if we stopped only with the - // interrupt signal that we never handled. - if (m_auto_resume_signo != 0) - { - // Only auto_resume if we stopped with _only_ the interrupt - // signal. - if (num_task_exceptions == 1) - { - auto_resume = true; - if (log) - log->Printf("NativeProcessDarwin::%s(): auto " - "resuming due to unhandled interrupt " - "signal %i", __FUNCTION__, - m_auto_resume_signo); - } - m_auto_resume_signo = 0; - } - } - else - { - if (log) - log->Printf("NativeProcessDarwin::%s(): didn't get signal " - "%i after MachProcess::Interrupt()", - __FUNCTION__, m_sent_interrupt_signo); + if (m_exception_messages.empty()) { + // Not particularly useful... + return m_task; + } + + bool auto_resume = false; + m_did_exec = false; + + // First check for any SIGTRAP and make sure we didn't exec + const task_t task = m_task; + size_t i; + if (m_pid != 0) { + bool received_interrupt = false; + uint32_t num_task_exceptions = 0; + for (i = 0; i < m_exception_messages.size(); ++i) { + if (m_exception_messages[i].state.task_port != task) { + // This is an exception that is not for our inferior, ignore. + continue; + } + + // This is an exception for the inferior. + ++num_task_exceptions; + const int signo = m_exception_messages[i].state.SoftSignal(); + if (signo == SIGTRAP) { + // SIGTRAP could mean that we exec'ed. We need to check the + // dyld all_image_infos.infoArray to see if it is NULL and if + // so, say that we exec'ed. + const addr_t aii_addr = GetDYLDAllImageInfosAddress(error); + if (aii_addr == LLDB_INVALID_ADDRESS) + break; + + const addr_t info_array_count_addr = aii_addr + 4; + uint32_t info_array_count = 0; + size_t bytes_read = 0; + Error read_error; + read_error = ReadMemory(info_array_count_addr, // source addr + &info_array_count, // dest addr + 4, // byte count + bytes_read); // #bytes read + if (read_error.Success() && (bytes_read == 4)) { + if (info_array_count == 0) { + // We got the all infos address, and there are zero + // entries. We think we exec'd. + m_did_exec = true; + + // Force the task port to update itself in case the + // task port changed after exec + const task_t old_task = m_task; + const bool force_update = true; + const task_t new_task = TaskPortForProcessID(error, force_update); + if (old_task != new_task) { + if (log) + log->Printf("exec: inferior task port changed " + "from 0x%4.4x to 0x%4.4x", + old_task, new_task); } + } + } else { + if (log) + log->Printf("NativeProcessDarwin::%s() warning: " + "failed to read all_image_infos." + "infoArrayCount from 0x%8.8llx", + __FUNCTION__, info_array_count_addr); } + } else if ((m_sent_interrupt_signo != 0) && + (signo == m_sent_interrupt_signo)) { + // We just received the interrupt that we sent to ourselves. + received_interrupt = true; + } } - // Let all threads recover from stopping and do any clean up based - // on the previous thread state (if any). - m_thread_list.ProcessDidStop(*this); - - // Let each thread know of any exceptions - for (i = 0; i < m_exception_messages.size(); ++i) - { - // Let the thread list forward all exceptions on down to each thread. - if (m_exception_messages[i].state.task_port == task) - { - // This exception is for our inferior. - m_thread_list.NotifyException(m_exception_messages[i].state); - } + if (m_did_exec) { + cpu_type_t process_cpu_type = GetCPUTypeForLocalProcess(m_pid); + if (m_cpu_type != process_cpu_type) { + if (log) + log->Printf("NativeProcessDarwin::%s(): arch changed from " + "0x%8.8x to 0x%8.8x", + __FUNCTION__, m_cpu_type, process_cpu_type); + m_cpu_type = process_cpu_type; + // TODO figure out if we need to do something here. + // DNBArchProtocol::SetArchitecture (process_cpu_type); + } + m_thread_list.Clear(); + + // TODO hook up breakpoints. + // m_breakpoints.DisableAll(); + } + if (m_sent_interrupt_signo != 0) { + if (received_interrupt) { if (log) - { - StreamString stream; - m_exception_messages[i].Dump(stream); - stream.Flush(); - log->PutCString(stream.GetString().c_str()); + log->Printf("NativeProcessDarwin::%s(): process " + "successfully interrupted with signal %i", + __FUNCTION__, m_sent_interrupt_signo); + + // Mark that we received the interrupt signal + m_sent_interrupt_signo = 0; + // Now check if we had a case where: + // 1 - We called NativeProcessDarwin::Interrupt() but we stopped + // for another reason. + // 2 - We called NativeProcessDarwin::Resume() (but still + // haven't gotten the interrupt signal). + // 3 - We are now incorrectly stopped because we are handling + // the interrupt signal we missed. + // 4 - We might need to resume if we stopped only with the + // interrupt signal that we never handled. + if (m_auto_resume_signo != 0) { + // Only auto_resume if we stopped with _only_ the interrupt + // signal. + if (num_task_exceptions == 1) { + auto_resume = true; + if (log) + log->Printf("NativeProcessDarwin::%s(): auto " + "resuming due to unhandled interrupt " + "signal %i", + __FUNCTION__, m_auto_resume_signo); + } + m_auto_resume_signo = 0; } + } else { + if (log) + log->Printf("NativeProcessDarwin::%s(): didn't get signal " + "%i after MachProcess::Interrupt()", + __FUNCTION__, m_sent_interrupt_signo); + } } - - if (log) - { - StreamString stream; - m_thread_list.Dump(stream); - stream.Flush(); - log->PutCString(stream.GetString().c_str()); + } + + // Let all threads recover from stopping and do any clean up based + // on the previous thread state (if any). + m_thread_list.ProcessDidStop(*this); + + // Let each thread know of any exceptions + for (i = 0; i < m_exception_messages.size(); ++i) { + // Let the thread list forward all exceptions on down to each thread. + if (m_exception_messages[i].state.task_port == task) { + // This exception is for our inferior. + m_thread_list.NotifyException(m_exception_messages[i].state); } - bool step_more = false; - if (m_thread_list.ShouldStop(step_more) && (auto_resume == false)) - { - // TODO - need to hook up event system here. !!!! + if (log) { + StreamString stream; + m_exception_messages[i].Dump(stream); + stream.Flush(); + log->PutCString(stream.GetString().c_str()); + } + } + + if (log) { + StreamString stream; + m_thread_list.Dump(stream); + stream.Flush(); + log->PutCString(stream.GetString().c_str()); + } + + bool step_more = false; + if (m_thread_list.ShouldStop(step_more) && (auto_resume == false)) { +// TODO - need to hook up event system here. !!!! #if 0 // Wait for the eEventProcessRunningStateChanged event to be reset // before changing state to stopped to avoid race condition with @@ -990,836 +870,707 @@ NativeProcessDarwin::ExceptionMessageBundleComplete() m_events.WaitForEventsToReset(eEventProcessRunningStateChanged, &timeout); #endif - SetState(eStateStopped); - } - else - { - // Resume without checking our current state. - PrivateResume(); - } + SetState(eStateStopped); + } else { + // Resume without checking our current state. + PrivateResume(); + } - return m_task; + return m_task; } -void -NativeProcessDarwin::StartSTDIOThread() -{ - // TODO implement +void NativeProcessDarwin::StartSTDIOThread() { + // TODO implement } -Error -NativeProcessDarwin::StartWaitpidThread(MainLoop &main_loop) -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - // Strategy: create a thread that sits on waitpid(), waiting for the - // inferior process to die, reaping it in the process. Arrange for - // the thread to have a pipe file descriptor that it can send a byte - // over when the waitpid completes. Have the main loop have a read - // object for the other side of the pipe, and have the callback for - // the read do the process termination message sending. - - // Create a single-direction communication channel. - const bool child_inherits = false; - error = m_waitpid_pipe.CreateNew(child_inherits); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failed to create waitpid " - "communication pipe: %s", __FUNCTION__, - error.AsCString()); - return error; - } - - // Hook up the waitpid reader callback. - - // TODO make PipePOSIX derive from IOObject. This is goofy here. - const bool transfer_ownership = false; - auto io_sp = IOObjectSP(new File(m_waitpid_pipe.GetReadFileDescriptor(), - transfer_ownership)); - m_waitpid_reader_handle = - main_loop.RegisterReadObject( - io_sp, - [this](MainLoopBase &){ HandleWaitpidResult(); }, - error); - - // Create the thread. - auto pthread_err = ::pthread_create(&m_waitpid_thread, nullptr, - WaitpidThread, this); - error.SetError(pthread_err, eErrorTypePOSIX); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failed to create waitpid " - "handling thread: %u (%s)", __FUNCTION__, - error.GetError(), error.AsCString()); - return error; - } - +Error NativeProcessDarwin::StartWaitpidThread(MainLoop &main_loop) { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + + // Strategy: create a thread that sits on waitpid(), waiting for the + // inferior process to die, reaping it in the process. Arrange for + // the thread to have a pipe file descriptor that it can send a byte + // over when the waitpid completes. Have the main loop have a read + // object for the other side of the pipe, and have the callback for + // the read do the process termination message sending. + + // Create a single-direction communication channel. + const bool child_inherits = false; + error = m_waitpid_pipe.CreateNew(child_inherits); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): failed to create waitpid " + "communication pipe: %s", + __FUNCTION__, error.AsCString()); return error; + } + + // Hook up the waitpid reader callback. + + // TODO make PipePOSIX derive from IOObject. This is goofy here. + const bool transfer_ownership = false; + auto io_sp = IOObjectSP( + new File(m_waitpid_pipe.GetReadFileDescriptor(), transfer_ownership)); + m_waitpid_reader_handle = main_loop.RegisterReadObject( + io_sp, [this](MainLoopBase &) { HandleWaitpidResult(); }, error); + + // Create the thread. + auto pthread_err = + ::pthread_create(&m_waitpid_thread, nullptr, WaitpidThread, this); + error.SetError(pthread_err, eErrorTypePOSIX); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): failed to create waitpid " + "handling thread: %u (%s)", + __FUNCTION__, error.GetError(), error.AsCString()); + return error; + } + + return error; } -void* -NativeProcessDarwin::WaitpidThread(void *arg) -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (!arg) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): cannot run waitpid " - "thread, mandatory process arg was null", __FUNCTION__); - return nullptr; - } +void *NativeProcessDarwin::WaitpidThread(void *arg) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (!arg) { + if (log) + log->Printf("NativeProcessDarwin::%s(): cannot run waitpid " + "thread, mandatory process arg was null", + __FUNCTION__); + return nullptr; + } - return reinterpret_cast<NativeProcessDarwin*>(arg)->DoWaitpidThread(); + return reinterpret_cast<NativeProcessDarwin *>(arg)->DoWaitpidThread(); } -void -NativeProcessDarwin::MaybeRaiseThreadPriority() -{ -#if defined (__arm__) || defined (__arm64__) || defined (__aarch64__) - struct sched_param thread_param; - int thread_sched_policy; - if (pthread_getschedparam(pthread_self(), &thread_sched_policy, - &thread_param) == 0) - { - thread_param.sched_priority = 47; - pthread_setschedparam(pthread_self(), thread_sched_policy, - &thread_param); - } +void NativeProcessDarwin::MaybeRaiseThreadPriority() { +#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) + struct sched_param thread_param; + int thread_sched_policy; + if (pthread_getschedparam(pthread_self(), &thread_sched_policy, + &thread_param) == 0) { + thread_param.sched_priority = 47; + pthread_setschedparam(pthread_self(), thread_sched_policy, &thread_param); + } #endif } -void* -NativeProcessDarwin::DoWaitpidThread() -{ - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - if (m_pid == LLDB_INVALID_PROCESS_ID) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): inferior process ID is " - "not set, cannot waitpid on it", __FUNCTION__); - return nullptr; - } - - // Name the thread. - pthread_setname_np("waitpid thread"); - - // Ensure we don't get CPU starved. - MaybeRaiseThreadPriority(); - - Error error; - int status = -1; +void *NativeProcessDarwin::DoWaitpidThread() { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - while (1) - { - // Do a waitpid. - ::pid_t child_pid = ::waitpid(m_pid, &status, 0); - if (child_pid < 0) - error.SetErrorToErrno(); - if (error.Fail()) - { - if (error.GetError() == EINTR) - { - // This is okay, we can keep going. - if (log) - log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" - PRIu64 ", &status, 0) interrupted, continuing", - __FUNCTION__, m_pid); - continue; - } - - // This error is not okay, abort. - if (log) - log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 - ", &status, 0) aborting due to error: %u (%s)", - __FUNCTION__, m_pid, error.GetError(), - error.AsCString()); - break; - } - - // Log the successful result. - if (log) - log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 - ", &status, 0) => %i, status = %i", __FUNCTION__, - m_pid, child_pid, status); - - // Handle the result. - if (WIFSTOPPED(status)) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 - ") received a stop, continuing waitpid() loop", - __FUNCTION__, m_pid); - continue; - } - else // if (WIFEXITED(status) || WIFSIGNALED(status)) - { - if (log) - log->Printf("NativeProcessDarwin::%s(pid = %" PRIu64 "): " - "waitpid thread is setting exit status for pid = " - "%i to %i", __FUNCTION__, m_pid, - child_pid, status); - - error = SendInferiorExitStatusToMainLoop(child_pid, status); - return nullptr; - } - } - - // We should never exit as long as our child process is alive. If we - // get here, something completely unexpected went wrong and we should exit. + if (m_pid == LLDB_INVALID_PROCESS_ID) { if (log) - log->Printf("NativeProcessDarwin::%s(): internal error: waitpid thread " - "exited out of its main loop in an unexpected way. pid = %" - PRIu64 ". Sending exit status of -1.", __FUNCTION__, m_pid); - - error = SendInferiorExitStatusToMainLoop((::pid_t)m_pid, -1); + log->Printf("NativeProcessDarwin::%s(): inferior process ID is " + "not set, cannot waitpid on it", + __FUNCTION__); return nullptr; -} + } -Error -NativeProcessDarwin::SendInferiorExitStatusToMainLoop(::pid_t pid, int status) -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + // Name the thread. + pthread_setname_np("waitpid thread"); - size_t bytes_written = 0; + // Ensure we don't get CPU starved. + MaybeRaiseThreadPriority(); - // Send the pid. - error = m_waitpid_pipe.Write(&pid, sizeof(pid), bytes_written); - if (error.Fail() || (bytes_written < sizeof(pid))) - { + Error error; + int status = -1; + + while (1) { + // Do a waitpid. + ::pid_t child_pid = ::waitpid(m_pid, &status, 0); + if (child_pid < 0) + error.SetErrorToErrno(); + if (error.Fail()) { + if (error.GetError() == EINTR) { + // This is okay, we can keep going. if (log) - log->Printf("NativeProcessDarwin::%s() - failed to write " - "waitpid exiting pid to the pipe. Client will not " - "hear about inferior exit status!", - __FUNCTION__); - return error; + log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 + ", &status, 0) interrupted, continuing", + __FUNCTION__, m_pid); + continue; + } + + // This error is not okay, abort. + if (log) + log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 + ", &status, 0) aborting due to error: %u (%s)", + __FUNCTION__, m_pid, error.GetError(), error.AsCString()); + break; } - // Send the status. - bytes_written = 0; - error = m_waitpid_pipe.Write(&status, sizeof(status), bytes_written); - if (error.Fail() || (bytes_written < sizeof(status))) + // Log the successful result. + if (log) + log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 + ", &status, 0) => %i, status = %i", + __FUNCTION__, m_pid, child_pid, status); + + // Handle the result. + if (WIFSTOPPED(status)) { + if (log) + log->Printf("NativeProcessDarwin::%s(): waitpid(pid = %" PRIu64 + ") received a stop, continuing waitpid() loop", + __FUNCTION__, m_pid); + continue; + } else // if (WIFEXITED(status) || WIFSIGNALED(status)) { - if (log) - log->Printf("NativeProcessDarwin::%s() - failed to write " - "waitpid exit result to the pipe. Client will not " - "hear about inferior exit status!", - __FUNCTION__); + if (log) + log->Printf("NativeProcessDarwin::%s(pid = %" PRIu64 "): " + "waitpid thread is setting exit status for pid = " + "%i to %i", + __FUNCTION__, m_pid, child_pid, status); + + error = SendInferiorExitStatusToMainLoop(child_pid, status); + return nullptr; } - return error; + } + + // We should never exit as long as our child process is alive. If we + // get here, something completely unexpected went wrong and we should exit. + if (log) + log->Printf( + "NativeProcessDarwin::%s(): internal error: waitpid thread " + "exited out of its main loop in an unexpected way. pid = %" PRIu64 + ". Sending exit status of -1.", + __FUNCTION__, m_pid); + + error = SendInferiorExitStatusToMainLoop((::pid_t)m_pid, -1); + return nullptr; } -Error -NativeProcessDarwin::HandleWaitpidResult() -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - // Read the pid. - const bool notify_status = true; +Error NativeProcessDarwin::SendInferiorExitStatusToMainLoop(::pid_t pid, + int status) { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - ::pid_t pid = -1; - size_t bytes_read = 0; - error = m_waitpid_pipe.Read(&pid, sizeof(pid), bytes_read); - if (error.Fail() || (bytes_read < sizeof(pid))) - { - if (log) - log->Printf("NativeProcessDarwin::%s() - failed to read " - "waitpid exiting pid from the pipe. Will notify " - "as if parent process died with exit status -1.", - __FUNCTION__); - SetExitStatus(eExitTypeInvalid, -1, "failed to receive waitpid result", - notify_status); - return error; - } + size_t bytes_written = 0; - // Read the status. - int status = -1; - error = m_waitpid_pipe.Read(&status, sizeof(status), bytes_read); - if (error.Fail() || (bytes_read < sizeof(status))) - { - if (log) - log->Printf("NativeProcessDarwin::%s() - failed to read " - "waitpid exit status from the pipe. Will notify " - "as if parent process died with exit status -1.", - __FUNCTION__); - SetExitStatus(eExitTypeInvalid, -1, "failed to receive waitpid result", - notify_status); - return error; - } + // Send the pid. + error = m_waitpid_pipe.Write(&pid, sizeof(pid), bytes_written); + if (error.Fail() || (bytes_written < sizeof(pid))) { + if (log) + log->Printf("NativeProcessDarwin::%s() - failed to write " + "waitpid exiting pid to the pipe. Client will not " + "hear about inferior exit status!", + __FUNCTION__); + return error; + } - // Notify the monitor that our state has changed. + // Send the status. + bytes_written = 0; + error = m_waitpid_pipe.Write(&status, sizeof(status), bytes_written); + if (error.Fail() || (bytes_written < sizeof(status))) { if (log) - log->Printf("NativeProcessDarwin::%s(): main loop received waitpid " - "exit status info: pid=%i (%s), status=%i", - __FUNCTION__, pid, - (pid == m_pid) ? "the inferior" : "not the inferior", - status); + log->Printf("NativeProcessDarwin::%s() - failed to write " + "waitpid exit result to the pipe. Client will not " + "hear about inferior exit status!", + __FUNCTION__); + } + return error; +} - ExitType exit_type = eExitTypeInvalid; - int exit_status = -1; +Error NativeProcessDarwin::HandleWaitpidResult() { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (WIFEXITED(status)) - { - exit_type = eExitTypeExit; - exit_status = WEXITSTATUS(status); - } - else if (WIFSIGNALED(status)) - { - exit_type = eExitTypeSignal; - exit_status = WTERMSIG(status); - } + // Read the pid. + const bool notify_status = true; + + ::pid_t pid = -1; + size_t bytes_read = 0; + error = m_waitpid_pipe.Read(&pid, sizeof(pid), bytes_read); + if (error.Fail() || (bytes_read < sizeof(pid))) { + if (log) + log->Printf("NativeProcessDarwin::%s() - failed to read " + "waitpid exiting pid from the pipe. Will notify " + "as if parent process died with exit status -1.", + __FUNCTION__); + SetExitStatus(eExitTypeInvalid, -1, "failed to receive waitpid result", + notify_status); + return error; + } - SetExitStatus(exit_type, exit_status, nullptr, notify_status); + // Read the status. + int status = -1; + error = m_waitpid_pipe.Read(&status, sizeof(status), bytes_read); + if (error.Fail() || (bytes_read < sizeof(status))) { + if (log) + log->Printf("NativeProcessDarwin::%s() - failed to read " + "waitpid exit status from the pipe. Will notify " + "as if parent process died with exit status -1.", + __FUNCTION__); + SetExitStatus(eExitTypeInvalid, -1, "failed to receive waitpid result", + notify_status); return error; + } + + // Notify the monitor that our state has changed. + if (log) + log->Printf("NativeProcessDarwin::%s(): main loop received waitpid " + "exit status info: pid=%i (%s), status=%i", + __FUNCTION__, pid, + (pid == m_pid) ? "the inferior" : "not the inferior", status); + + ExitType exit_type = eExitTypeInvalid; + int exit_status = -1; + + if (WIFEXITED(status)) { + exit_type = eExitTypeExit; + exit_status = WEXITSTATUS(status); + } else if (WIFSIGNALED(status)) { + exit_type = eExitTypeSignal; + exit_status = WTERMSIG(status); + } + + SetExitStatus(exit_type, exit_status, nullptr, notify_status); + return error; } -task_t -NativeProcessDarwin::TaskPortForProcessID(Error &error, bool force) const -{ - if ((m_task == TASK_NULL) || force) - { - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (m_pid == LLDB_INVALID_PROCESS_ID) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): cannot get task due " - "to invalid pid", __FUNCTION__); - return TASK_NULL; - } +task_t NativeProcessDarwin::TaskPortForProcessID(Error &error, + bool force) const { + if ((m_task == TASK_NULL) || force) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (m_pid == LLDB_INVALID_PROCESS_ID) { + if (log) + log->Printf("NativeProcessDarwin::%s(): cannot get task due " + "to invalid pid", + __FUNCTION__); + return TASK_NULL; + } - const uint32_t num_retries = 10; - const uint32_t usec_interval = 10000; - - mach_port_t task_self = mach_task_self(); - task_t task = TASK_NULL; - - for (uint32_t i = 0; i < num_retries; i++) - { - kern_return_t err = ::task_for_pid(task_self, m_pid, &task); - if (err == 0) - { - // Succeeded. Save and return it. - error.Clear(); - m_task = task; - log->Printf("NativeProcessDarwin::%s(): ::task_for_pid(" - "stub_port = 0x%4.4x, pid = %llu, &task) " - "succeeded: inferior task port = 0x%4.4x", - __FUNCTION__, task_self, m_pid, m_task); - return m_task; - } - else - { - // Failed to get the task for the inferior process. - error.SetError(err, eErrorTypeMachKernel); - if (log) - { - log->Printf("NativeProcessDarwin::%s(): ::task_for_pid(" - "stub_port = 0x%4.4x, pid = %llu, &task) " - "failed, err = 0x%8.8x (%s)", - __FUNCTION__, task_self, - m_pid, - err, - error.AsCString()); - } - } + const uint32_t num_retries = 10; + const uint32_t usec_interval = 10000; - // Sleep a bit and try again - ::usleep (usec_interval); + mach_port_t task_self = mach_task_self(); + task_t task = TASK_NULL; + + for (uint32_t i = 0; i < num_retries; i++) { + kern_return_t err = ::task_for_pid(task_self, m_pid, &task); + if (err == 0) { + // Succeeded. Save and return it. + error.Clear(); + m_task = task; + log->Printf("NativeProcessDarwin::%s(): ::task_for_pid(" + "stub_port = 0x%4.4x, pid = %llu, &task) " + "succeeded: inferior task port = 0x%4.4x", + __FUNCTION__, task_self, m_pid, m_task); + return m_task; + } else { + // Failed to get the task for the inferior process. + error.SetError(err, eErrorTypeMachKernel); + if (log) { + log->Printf("NativeProcessDarwin::%s(): ::task_for_pid(" + "stub_port = 0x%4.4x, pid = %llu, &task) " + "failed, err = 0x%8.8x (%s)", + __FUNCTION__, task_self, m_pid, err, error.AsCString()); } + } - // We failed to get the task for the inferior process. - // Ensure that it is cleared out. - m_task = TASK_NULL; + // Sleep a bit and try again + ::usleep(usec_interval); } - return m_task; -} -void -NativeProcessDarwin::AttachToInferior(MainLoop &mainloop, lldb::pid_t pid, - Error &error) -{ - error.SetErrorString("TODO: implement"); + // We failed to get the task for the inferior process. + // Ensure that it is cleared out. + m_task = TASK_NULL; + } + return m_task; } -Error -NativeProcessDarwin::PrivateResume() -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); - m_auto_resume_signo = m_sent_interrupt_signo; - - if (log) - { - if (m_auto_resume_signo) - log->Printf("NativeProcessDarwin::%s(): task 0x%x resuming (with " - "unhandled interrupt signal %i)...", __FUNCTION__, - m_task, m_auto_resume_signo); - else - log->Printf("NativeProcessDarwin::%s(): task 0x%x resuming...", - __FUNCTION__, m_task); - } +void NativeProcessDarwin::AttachToInferior(MainLoop &mainloop, lldb::pid_t pid, + Error &error) { + error.SetErrorString("TODO: implement"); +} - error = ReplyToAllExceptions(); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): aborting, failed to " - "reply to exceptions: %s", __FUNCTION__, - error.AsCString()); - return error; - } - // bool stepOverBreakInstruction = step; +Error NativeProcessDarwin::PrivateResume() { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - // Let the thread prepare to resume and see if any threads want us to - // step over a breakpoint instruction (ProcessWillResume will modify - // the value of stepOverBreakInstruction). - m_thread_list.ProcessWillResume(*this, m_thread_actions); + std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); + m_auto_resume_signo = m_sent_interrupt_signo; - // Set our state accordingly - if (m_thread_actions.NumActionsWithState(eStateStepping)) - SetState(eStateStepping); + if (log) { + if (m_auto_resume_signo) + log->Printf("NativeProcessDarwin::%s(): task 0x%x resuming (with " + "unhandled interrupt signal %i)...", + __FUNCTION__, m_task, m_auto_resume_signo); else - SetState(eStateRunning); + log->Printf("NativeProcessDarwin::%s(): task 0x%x resuming...", + __FUNCTION__, m_task); + } - // Now resume our task. - error = ResumeTask(); + error = ReplyToAllExceptions(); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): aborting, failed to " + "reply to exceptions: %s", + __FUNCTION__, error.AsCString()); return error; + } + // bool stepOverBreakInstruction = step; + + // Let the thread prepare to resume and see if any threads want us to + // step over a breakpoint instruction (ProcessWillResume will modify + // the value of stepOverBreakInstruction). + m_thread_list.ProcessWillResume(*this, m_thread_actions); + + // Set our state accordingly + if (m_thread_actions.NumActionsWithState(eStateStepping)) + SetState(eStateStepping); + else + SetState(eStateRunning); + + // Now resume our task. + error = ResumeTask(); + return error; } -Error -NativeProcessDarwin::ReplyToAllExceptions() -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | - LIBLLDB_LOG_VERBOSE)); +Error NativeProcessDarwin::ReplyToAllExceptions() { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE)); - TaskPortForProcessID(error); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): no task port, aborting", - __FUNCTION__); - return error; - } + TaskPortForProcessID(error); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): no task port, aborting", + __FUNCTION__); + return error; + } - std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); - if (m_exception_messages.empty()) - { - // We're done. - return error; + std::lock_guard<std::recursive_mutex> locker(m_exception_messages_mutex); + if (m_exception_messages.empty()) { + // We're done. + return error; + } + + size_t index = 0; + for (auto &message : m_exception_messages) { + if (log) { + log->Printf("NativeProcessDarwin::%s(): replying to exception " + "%zu...", + __FUNCTION__, index++); } - size_t index = 0; - for (auto &message : m_exception_messages) - { - if (log) - { - log->Printf("NativeProcessDarwin::%s(): replying to exception " - "%zu...", __FUNCTION__, index++); - } - - int thread_reply_signal = 0; + int thread_reply_signal = 0; - const tid_t tid = - m_thread_list.GetThreadIDByMachPortNumber(message.state - .thread_port); - const ResumeAction *action = nullptr; - if (tid != LLDB_INVALID_THREAD_ID) - action = m_thread_actions.GetActionForThread (tid, false); + const tid_t tid = + m_thread_list.GetThreadIDByMachPortNumber(message.state.thread_port); + const ResumeAction *action = nullptr; + if (tid != LLDB_INVALID_THREAD_ID) + action = m_thread_actions.GetActionForThread(tid, false); - if (action) - { - thread_reply_signal = action->signal; - if (thread_reply_signal) - m_thread_actions.SetSignalHandledForThread(tid); - } + if (action) { + thread_reply_signal = action->signal; + if (thread_reply_signal) + m_thread_actions.SetSignalHandledForThread(tid); + } - error = message.Reply(m_pid, m_task, thread_reply_signal); - if (error.Fail() && log) - { - // We log any error here, but we don't stop the exception - // response handling. - log->Printf("NativeProcessDarwin::%s(): failed to reply to " - "exception: %s", __FUNCTION__, error.AsCString()); - error.Clear(); - } + error = message.Reply(m_pid, m_task, thread_reply_signal); + if (error.Fail() && log) { + // We log any error here, but we don't stop the exception + // response handling. + log->Printf("NativeProcessDarwin::%s(): failed to reply to " + "exception: %s", + __FUNCTION__, error.AsCString()); + error.Clear(); } + } - // Erase all exception message as we should have used and replied - // to them all already. - m_exception_messages.clear(); - return error; + // Erase all exception message as we should have used and replied + // to them all already. + m_exception_messages.clear(); + return error; } -Error -NativeProcessDarwin::ResumeTask() -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - TaskPortForProcessID(error); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failed to get task port " - "for process when attempting to resume: %s", - __FUNCTION__, error.AsCString()); - return error; - } - if (m_task == TASK_NULL) - { - error.SetErrorString("task port retrieval succeeded but task port is " - "null when attempting to resume the task"); - return error; - } +Error NativeProcessDarwin::ResumeTask() { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + TaskPortForProcessID(error); + if (error.Fail()) { if (log) - log->Printf("NativeProcessDarwin::%s(): requesting resume of task " - "0x%4.4x", __FUNCTION__, m_task); - - // Get the BasicInfo struct to verify that we're suspended before we try - // to resume the task. - struct task_basic_info task_info; - error = GetTaskBasicInfo(m_task, &task_info); - if (error.Fail()) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): failed to get task " - "BasicInfo when attempting to resume: %s", - __FUNCTION__, error.AsCString()); - return error; - } + log->Printf("NativeProcessDarwin::%s(): failed to get task port " + "for process when attempting to resume: %s", + __FUNCTION__, error.AsCString()); + return error; + } + if (m_task == TASK_NULL) { + error.SetErrorString("task port retrieval succeeded but task port is " + "null when attempting to resume the task"); + return error; + } + + if (log) + log->Printf("NativeProcessDarwin::%s(): requesting resume of task " + "0x%4.4x", + __FUNCTION__, m_task); + + // Get the BasicInfo struct to verify that we're suspended before we try + // to resume the task. + struct task_basic_info task_info; + error = GetTaskBasicInfo(m_task, &task_info); + if (error.Fail()) { + if (log) + log->Printf("NativeProcessDarwin::%s(): failed to get task " + "BasicInfo when attempting to resume: %s", + __FUNCTION__, error.AsCString()); + return error; + } - // task_resume isn't counted like task_suspend calls are, so if the - // task is not suspended, don't try and resume it since it is already - // running - if (task_info.suspend_count > 0) - { - auto mach_err = ::task_resume(m_task); - error.SetError(mach_err, eErrorTypeMachKernel); - if (log) - { - if (error.Success()) - log->Printf("::task_resume(target_task = 0x%4.4x): success", - m_task); - else - log->Printf("::task_resume(target_task = 0x%4.4x) error: %s", - m_task, error.AsCString()); - } - } - else - { - if (log) - log->Printf("::task_resume(target_task = 0x%4.4x): ignored, " - "already running", m_task); + // task_resume isn't counted like task_suspend calls are, so if the + // task is not suspended, don't try and resume it since it is already + // running + if (task_info.suspend_count > 0) { + auto mach_err = ::task_resume(m_task); + error.SetError(mach_err, eErrorTypeMachKernel); + if (log) { + if (error.Success()) + log->Printf("::task_resume(target_task = 0x%4.4x): success", m_task); + else + log->Printf("::task_resume(target_task = 0x%4.4x) error: %s", m_task, + error.AsCString()); } + } else { + if (log) + log->Printf("::task_resume(target_task = 0x%4.4x): ignored, " + "already running", + m_task); + } - return error; + return error; } -bool -NativeProcessDarwin::IsTaskValid() const -{ - if (m_task == TASK_NULL) - return false; +bool NativeProcessDarwin::IsTaskValid() const { + if (m_task == TASK_NULL) + return false; - struct task_basic_info task_info; - return GetTaskBasicInfo(m_task, &task_info).Success(); + struct task_basic_info task_info; + return GetTaskBasicInfo(m_task, &task_info).Success(); } -bool -NativeProcessDarwin::IsTaskValid(task_t task) const -{ - if (task == TASK_NULL) - return false; +bool NativeProcessDarwin::IsTaskValid(task_t task) const { + if (task == TASK_NULL) + return false; - struct task_basic_info task_info; - return GetTaskBasicInfo(task, &task_info).Success(); + struct task_basic_info task_info; + return GetTaskBasicInfo(task, &task_info).Success(); } -mach_port_t -NativeProcessDarwin::GetExceptionPort() const -{ - return m_exception_port; +mach_port_t NativeProcessDarwin::GetExceptionPort() const { + return m_exception_port; } -bool -NativeProcessDarwin::IsExceptionPortValid () const -{ - return MACH_PORT_VALID(m_exception_port); +bool NativeProcessDarwin::IsExceptionPortValid() const { + return MACH_PORT_VALID(m_exception_port); } -Error -NativeProcessDarwin::GetTaskBasicInfo(task_t task, - struct task_basic_info *info) const -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - // Validate args. - if (info == NULL) - { - error.SetErrorStringWithFormat("NativeProcessDarwin::%s(): mandatory " - "info arg is null", __FUNCTION__); - return error; - } - - // Grab the task if we don't already have it. - if (task == TASK_NULL) - { - error.SetErrorStringWithFormat("NativeProcessDarwin::%s(): given task " - "is invalid", __FUNCTION__); - } - - mach_msg_type_number_t count = TASK_BASIC_INFO_COUNT; - auto err = ::task_info(m_task, TASK_BASIC_INFO, (task_info_t)info, &count); - error.SetError(err, eErrorTypeMachKernel); - if (error.Fail()) - { - if (log) - log->Printf("::task_info(target_task = 0x%4.4x, " - "flavor = TASK_BASIC_INFO, task_info_out => %p, " - "task_info_outCnt => %u) failed: %u (%s)", m_task, info, - count, error.GetError(), error.AsCString()); - return error; - } +Error NativeProcessDarwin::GetTaskBasicInfo( + task_t task, struct task_basic_info *info) const { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - Log *verbose_log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | - LIBLLDB_LOG_VERBOSE)); - if (verbose_log) - { - float user = (float)info->user_time.seconds + - (float)info->user_time.microseconds / 1000000.0f; - float system = (float)info->user_time.seconds + - (float)info->user_time.microseconds / 1000000.0f; - verbose_log->Printf("task_basic_info = { suspend_count = %i, " - "virtual_size = 0x%8.8llx, resident_size = " - "0x%8.8llx, user_time = %f, system_time = %f }", - info->suspend_count, - (uint64_t)info->virtual_size, - (uint64_t)info->resident_size, - user, system); - } + // Validate args. + if (info == NULL) { + error.SetErrorStringWithFormat("NativeProcessDarwin::%s(): mandatory " + "info arg is null", + __FUNCTION__); return error; + } + + // Grab the task if we don't already have it. + if (task == TASK_NULL) { + error.SetErrorStringWithFormat("NativeProcessDarwin::%s(): given task " + "is invalid", + __FUNCTION__); + } + + mach_msg_type_number_t count = TASK_BASIC_INFO_COUNT; + auto err = ::task_info(m_task, TASK_BASIC_INFO, (task_info_t)info, &count); + error.SetError(err, eErrorTypeMachKernel); + if (error.Fail()) { + if (log) + log->Printf("::task_info(target_task = 0x%4.4x, " + "flavor = TASK_BASIC_INFO, task_info_out => %p, " + "task_info_outCnt => %u) failed: %u (%s)", + m_task, info, count, error.GetError(), error.AsCString()); + return error; + } + + Log *verbose_log( + GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE)); + if (verbose_log) { + float user = (float)info->user_time.seconds + + (float)info->user_time.microseconds / 1000000.0f; + float system = (float)info->user_time.seconds + + (float)info->user_time.microseconds / 1000000.0f; + verbose_log->Printf("task_basic_info = { suspend_count = %i, " + "virtual_size = 0x%8.8llx, resident_size = " + "0x%8.8llx, user_time = %f, system_time = %f }", + info->suspend_count, (uint64_t)info->virtual_size, + (uint64_t)info->resident_size, user, system); + } + return error; } -Error -NativeProcessDarwin::SuspendTask() -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - - if (m_task == TASK_NULL) - { - error.SetErrorString("task port is null, cannot suspend task"); - if (log) - log->Printf("NativeProcessDarwin::%s() failed: %s", - __FUNCTION__, error.AsCString()); - return error; - } - - auto mach_err = ::task_suspend(m_task); - error.SetError(mach_err, eErrorTypeMachKernel); - if (error.Fail() && log) - log->Printf("::task_suspend(target_task = 0x%4.4x)", m_task); +Error NativeProcessDarwin::SuspendTask() { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (m_task == TASK_NULL) { + error.SetErrorString("task port is null, cannot suspend task"); + if (log) + log->Printf("NativeProcessDarwin::%s() failed: %s", __FUNCTION__, + error.AsCString()); return error; -} + } -Error -NativeProcessDarwin::Resume(const ResumeActionList &resume_actions) -{ - Error error; - Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + auto mach_err = ::task_suspend(m_task); + error.SetError(mach_err, eErrorTypeMachKernel); + if (error.Fail() && log) + log->Printf("::task_suspend(target_task = 0x%4.4x)", m_task); - if (log) - log->Printf("NativeProcessDarwin::%s() called", __FUNCTION__); + return error; +} - if (CanResume()) - { - m_thread_actions = resume_actions; - error = PrivateResume(); - return error; - } +Error NativeProcessDarwin::Resume(const ResumeActionList &resume_actions) { + Error error; + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); - auto state = GetState(); - if (state == eStateRunning) - { - if (log) - log->Printf("NativeProcessDarwin::%s(): task 0x%x is already " - "running, ignoring...", __FUNCTION__, - TaskPortForProcessID(error)); - return error; - } + if (log) + log->Printf("NativeProcessDarwin::%s() called", __FUNCTION__); - // We can't resume from this state. - error.SetErrorStringWithFormat("task 0x%x has state %s, can't resume", - TaskPortForProcessID(error), - StateAsCString(state)); + if (CanResume()) { + m_thread_actions = resume_actions; + error = PrivateResume(); return error; -} + } -Error -NativeProcessDarwin::Halt() -{ - Error error; - error.SetErrorString("TODO: implement"); + auto state = GetState(); + if (state == eStateRunning) { + if (log) + log->Printf("NativeProcessDarwin::%s(): task 0x%x is already " + "running, ignoring...", + __FUNCTION__, TaskPortForProcessID(error)); return error; -} + } -Error -NativeProcessDarwin::Detach() -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; + // We can't resume from this state. + error.SetErrorStringWithFormat("task 0x%x has state %s, can't resume", + TaskPortForProcessID(error), + StateAsCString(state)); + return error; } -Error -NativeProcessDarwin::Signal(int signo) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::Halt() { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::Interrupt() -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::Detach() { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::Kill() -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::Signal(int signo) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::GetMemoryRegionInfo(lldb::addr_t load_addr, - MemoryRegionInfo &range_info) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::Interrupt() { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::ReadMemory(lldb::addr_t addr, void *buf, size_t size, - size_t &bytes_read) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::Kill() { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::ReadMemoryWithoutTrap(lldb::addr_t addr, void *buf, - size_t size, size_t &bytes_read) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::GetMemoryRegionInfo(lldb::addr_t load_addr, + MemoryRegionInfo &range_info) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::WriteMemory(lldb::addr_t addr, const void *buf, - size_t size, size_t &bytes_written) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::ReadMemory(lldb::addr_t addr, void *buf, size_t size, + size_t &bytes_read) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::AllocateMemory(size_t size, uint32_t permissions, - lldb::addr_t &addr) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::ReadMemoryWithoutTrap(lldb::addr_t addr, void *buf, + size_t size, + size_t &bytes_read) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::DeallocateMemory(lldb::addr_t addr) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::WriteMemory(lldb::addr_t addr, const void *buf, + size_t size, size_t &bytes_written) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -lldb::addr_t -NativeProcessDarwin::GetSharedLibraryInfoAddress() -{ - return LLDB_INVALID_ADDRESS; +Error NativeProcessDarwin::AllocateMemory(size_t size, uint32_t permissions, + lldb::addr_t &addr) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -size_t -NativeProcessDarwin::UpdateThreads() -{ - return 0; +Error NativeProcessDarwin::DeallocateMemory(lldb::addr_t addr) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -bool -NativeProcessDarwin::GetArchitecture(ArchSpec &arch) const -{ - return false; +lldb::addr_t NativeProcessDarwin::GetSharedLibraryInfoAddress() { + return LLDB_INVALID_ADDRESS; } -Error -NativeProcessDarwin::SetBreakpoint(lldb::addr_t addr, uint32_t size, - bool hardware) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +size_t NativeProcessDarwin::UpdateThreads() { return 0; } + +bool NativeProcessDarwin::GetArchitecture(ArchSpec &arch) const { + return false; } -void -NativeProcessDarwin::DoStopIDBumped(uint32_t newBumpId) -{ +Error NativeProcessDarwin::SetBreakpoint(lldb::addr_t addr, uint32_t size, + bool hardware) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::GetLoadedModuleFileSpec(const char* module_path, - FileSpec& file_spec) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +void NativeProcessDarwin::DoStopIDBumped(uint32_t newBumpId) {} + +Error NativeProcessDarwin::GetLoadedModuleFileSpec(const char *module_path, + FileSpec &file_spec) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } -Error -NativeProcessDarwin::GetFileLoadAddress(const llvm::StringRef& file_name, - lldb::addr_t& load_addr) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::GetFileLoadAddress(const llvm::StringRef &file_name, + lldb::addr_t &load_addr) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } // ----------------------------------------------------------------- // NativeProcessProtocol protected interface // ----------------------------------------------------------------- -Error -NativeProcessDarwin::GetSoftwareBreakpointTrapOpcode(size_t - trap_opcode_size_hint, - size_t &actual_opcode_size, - const uint8_t - *&trap_opcode_bytes) -{ - Error error; - error.SetErrorString("TODO: implement"); - return error; +Error NativeProcessDarwin::GetSoftwareBreakpointTrapOpcode( + size_t trap_opcode_size_hint, size_t &actual_opcode_size, + const uint8_t *&trap_opcode_bytes) { + Error error; + error.SetErrorString("TODO: implement"); + return error; } |
