diff options
Diffstat (limited to 'lldb/source/Host/common/NativeProcessProtocol.cpp')
| -rw-r--r-- | lldb/source/Host/common/NativeProcessProtocol.cpp | 681 |
1 files changed, 313 insertions, 368 deletions
diff --git a/lldb/source/Host/common/NativeProcessProtocol.cpp b/lldb/source/Host/common/NativeProcessProtocol.cpp index bdc58fb8b43..d77b8b2e974 100644 --- a/lldb/source/Host/common/NativeProcessProtocol.cpp +++ b/lldb/source/Host/common/NativeProcessProtocol.cpp @@ -9,7 +9,6 @@ #include "lldb/Host/common/NativeProcessProtocol.h" -#include "lldb/lldb-enumerations.h" #include "lldb/Core/ArchSpec.h" #include "lldb/Core/Log.h" #include "lldb/Core/ModuleSpec.h" @@ -21,6 +20,7 @@ #include "lldb/Symbol/ObjectFile.h" #include "lldb/Target/Process.h" #include "lldb/Utility/LLDBAssert.h" +#include "lldb/lldb-enumerations.h" using namespace lldb; using namespace lldb_private; @@ -30,458 +30,403 @@ using namespace lldb_private; // ----------------------------------------------------------------------------- NativeProcessProtocol::NativeProcessProtocol(lldb::pid_t pid) - : m_pid(pid), - m_threads(), - m_current_thread_id(LLDB_INVALID_THREAD_ID), - m_threads_mutex(), - m_state(lldb::eStateInvalid), - m_state_mutex(), - m_exit_type(eExitTypeInvalid), - m_exit_status(0), - m_exit_description(), - m_delegates_mutex(), - m_delegates(), - m_breakpoint_list(), - m_watchpoint_list(), - m_terminal_fd(-1), - m_stop_id(0) -{ -} - -lldb_private::Error -NativeProcessProtocol::Interrupt () -{ - Error error; -#if !defined (SIGSTOP) - error.SetErrorString ("local host does not support signaling"); - return error; + : m_pid(pid), m_threads(), m_current_thread_id(LLDB_INVALID_THREAD_ID), + m_threads_mutex(), m_state(lldb::eStateInvalid), m_state_mutex(), + m_exit_type(eExitTypeInvalid), m_exit_status(0), m_exit_description(), + m_delegates_mutex(), m_delegates(), m_breakpoint_list(), + m_watchpoint_list(), m_terminal_fd(-1), m_stop_id(0) {} + +lldb_private::Error NativeProcessProtocol::Interrupt() { + Error error; +#if !defined(SIGSTOP) + error.SetErrorString("local host does not support signaling"); + return error; #else - return Signal (SIGSTOP); + return Signal(SIGSTOP); #endif } lldb_private::Error -NativeProcessProtocol::GetMemoryRegionInfo (lldb::addr_t load_addr, MemoryRegionInfo &range_info) -{ - // Default: not implemented. - return Error ("not implemented"); +NativeProcessProtocol::GetMemoryRegionInfo(lldb::addr_t load_addr, + MemoryRegionInfo &range_info) { + // Default: not implemented. + return Error("not implemented"); } -bool -NativeProcessProtocol::GetExitStatus (ExitType *exit_type, int *status, std::string &exit_description) -{ - if (m_state == lldb::eStateExited) - { - *exit_type = m_exit_type; - *status = m_exit_status; - exit_description = m_exit_description; - return true; - } +bool NativeProcessProtocol::GetExitStatus(ExitType *exit_type, int *status, + std::string &exit_description) { + if (m_state == lldb::eStateExited) { + *exit_type = m_exit_type; + *status = m_exit_status; + exit_description = m_exit_description; + return true; + } - *status = 0; - return false; + *status = 0; + return false; } -bool -NativeProcessProtocol::SetExitStatus (ExitType exit_type, int status, const char *exit_description, bool bNotifyStateChange) -{ - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf ("NativeProcessProtocol::%s(%d, %d, %s, %s) called", - __FUNCTION__, - exit_type, - status, +bool NativeProcessProtocol::SetExitStatus(ExitType exit_type, int status, + const char *exit_description, + bool bNotifyStateChange) { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (log) + log->Printf("NativeProcessProtocol::%s(%d, %d, %s, %s) called", + __FUNCTION__, exit_type, status, exit_description ? exit_description : "nullptr", bNotifyStateChange ? "true" : "false"); - // Exit status already set - if (m_state == lldb::eStateExited) - { - if (log) - log->Printf ("NativeProcessProtocol::%s exit status already set to %d, ignoring new set to %d", __FUNCTION__, m_exit_status, status); - return false; - } + // Exit status already set + if (m_state == lldb::eStateExited) { + if (log) + log->Printf("NativeProcessProtocol::%s exit status already set to %d, " + "ignoring new set to %d", + __FUNCTION__, m_exit_status, status); + return false; + } - m_state = lldb::eStateExited; + m_state = lldb::eStateExited; - m_exit_type = exit_type; - m_exit_status = status; - if (exit_description && exit_description[0]) - m_exit_description = exit_description; - else - m_exit_description.clear(); + m_exit_type = exit_type; + m_exit_status = status; + if (exit_description && exit_description[0]) + m_exit_description = exit_description; + else + m_exit_description.clear(); - if (bNotifyStateChange) - SynchronouslyNotifyProcessStateChanged (lldb::eStateExited); + if (bNotifyStateChange) + SynchronouslyNotifyProcessStateChanged(lldb::eStateExited); - return true; + return true; } -NativeThreadProtocolSP -NativeProcessProtocol::GetThreadAtIndex (uint32_t idx) -{ - std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); - if (idx < m_threads.size ()) - return m_threads[idx]; - return NativeThreadProtocolSP (); +NativeThreadProtocolSP NativeProcessProtocol::GetThreadAtIndex(uint32_t idx) { + std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); + if (idx < m_threads.size()) + return m_threads[idx]; + return NativeThreadProtocolSP(); } NativeThreadProtocolSP -NativeProcessProtocol::GetThreadByIDUnlocked (lldb::tid_t tid) -{ - for (auto thread_sp : m_threads) - { - if (thread_sp->GetID() == tid) - return thread_sp; - } - return NativeThreadProtocolSP (); +NativeProcessProtocol::GetThreadByIDUnlocked(lldb::tid_t tid) { + for (auto thread_sp : m_threads) { + if (thread_sp->GetID() == tid) + return thread_sp; + } + return NativeThreadProtocolSP(); } -NativeThreadProtocolSP -NativeProcessProtocol::GetThreadByID (lldb::tid_t tid) -{ - std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); - return GetThreadByIDUnlocked (tid); +NativeThreadProtocolSP NativeProcessProtocol::GetThreadByID(lldb::tid_t tid) { + std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); + return GetThreadByIDUnlocked(tid); } -bool -NativeProcessProtocol::IsAlive () const -{ - return m_state != eStateDetached - && m_state != eStateExited - && m_state != eStateInvalid - && m_state != eStateUnloaded; +bool NativeProcessProtocol::IsAlive() const { + return m_state != eStateDetached && m_state != eStateExited && + m_state != eStateInvalid && m_state != eStateUnloaded; } -bool -NativeProcessProtocol::GetByteOrder (lldb::ByteOrder &byte_order) const -{ - ArchSpec process_arch; - if (!GetArchitecture (process_arch)) - return false; - byte_order = process_arch.GetByteOrder (); - return true; +bool NativeProcessProtocol::GetByteOrder(lldb::ByteOrder &byte_order) const { + ArchSpec process_arch; + if (!GetArchitecture(process_arch)) + return false; + byte_order = process_arch.GetByteOrder(); + return true; } -const NativeWatchpointList::WatchpointMap& -NativeProcessProtocol::GetWatchpointMap () const -{ - return m_watchpoint_list.GetWatchpointMap(); +const NativeWatchpointList::WatchpointMap & +NativeProcessProtocol::GetWatchpointMap() const { + return m_watchpoint_list.GetWatchpointMap(); } -uint32_t -NativeProcessProtocol::GetMaxWatchpoints () const -{ - // This default implementation will return the number of - // *hardware* breakpoints available. MacOSX and other OS - // implementations that support software breakpoints will want to - // override this correctly for their implementation. - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); - - // get any thread - NativeThreadProtocolSP thread_sp (const_cast<NativeProcessProtocol*> (this)->GetThreadAtIndex (0)); - if (!thread_sp) - { - if (log) - log->Warning ("NativeProcessProtocol::%s (): failed to find a thread to grab a NativeRegisterContext!", __FUNCTION__); - return 0; - } +uint32_t NativeProcessProtocol::GetMaxWatchpoints() const { + // This default implementation will return the number of + // *hardware* breakpoints available. MacOSX and other OS + // implementations that support software breakpoints will want to + // override this correctly for their implementation. + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + + // get any thread + NativeThreadProtocolSP thread_sp( + const_cast<NativeProcessProtocol *>(this)->GetThreadAtIndex(0)); + if (!thread_sp) { + if (log) + log->Warning("NativeProcessProtocol::%s (): failed to find a thread to " + "grab a NativeRegisterContext!", + __FUNCTION__); + return 0; + } + + NativeRegisterContextSP reg_ctx_sp(thread_sp->GetRegisterContext()); + if (!reg_ctx_sp) { + if (log) + log->Warning("NativeProcessProtocol::%s (): failed to get a " + "RegisterContextNativeProcess from the first thread!", + __FUNCTION__); + return 0; + } + + return reg_ctx_sp->NumSupportedHardwareWatchpoints(); +} - NativeRegisterContextSP reg_ctx_sp (thread_sp->GetRegisterContext ()); - if (!reg_ctx_sp) - { +Error NativeProcessProtocol::SetWatchpoint(lldb::addr_t addr, size_t size, + uint32_t watch_flags, + bool hardware) { + // This default implementation assumes setting the watchpoint for + // the process will require setting the watchpoint for each of the + // threads. Furthermore, it will track watchpoints set for the + // process and will add them to each thread that is attached to + // via the (FIXME implement) OnThreadAttached () method. + + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + + // Update the thread list + UpdateThreads(); + + // Keep track of the threads we successfully set the watchpoint + // for. If one of the thread watchpoint setting operations fails, + // back off and remove the watchpoint for all the threads that + // were successfully set so we get back to a consistent state. + std::vector<NativeThreadProtocolSP> watchpoint_established_threads; + + // Tell each thread to set a watchpoint. In the event that + // hardware watchpoints are requested but the SetWatchpoint fails, + // try to set a software watchpoint as a fallback. It's + // conceivable that if there are more threads than hardware + // watchpoints available, some of the threads will fail to set + // hardware watchpoints while software ones may be available. + std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); + for (auto thread_sp : m_threads) { + assert(thread_sp && "thread list should not have a NULL thread!"); + if (!thread_sp) + continue; + + Error thread_error = + thread_sp->SetWatchpoint(addr, size, watch_flags, hardware); + if (thread_error.Fail() && hardware) { + // Try software watchpoints since we failed on hardware watchpoint setting + // and we may have just run out of hardware watchpoints. + thread_error = thread_sp->SetWatchpoint(addr, size, watch_flags, false); + if (thread_error.Success()) { if (log) - log->Warning ("NativeProcessProtocol::%s (): failed to get a RegisterContextNativeProcess from the first thread!", __FUNCTION__); - return 0; + log->Warning( + "hardware watchpoint requested but software watchpoint set"); + } } - return reg_ctx_sp->NumSupportedHardwareWatchpoints (); -} - -Error -NativeProcessProtocol::SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware) -{ - // This default implementation assumes setting the watchpoint for - // the process will require setting the watchpoint for each of the - // threads. Furthermore, it will track watchpoints set for the - // process and will add them to each thread that is attached to - // via the (FIXME implement) OnThreadAttached () method. - - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); - - // Update the thread list - UpdateThreads (); - - // Keep track of the threads we successfully set the watchpoint - // for. If one of the thread watchpoint setting operations fails, - // back off and remove the watchpoint for all the threads that - // were successfully set so we get back to a consistent state. - std::vector<NativeThreadProtocolSP> watchpoint_established_threads; - - // Tell each thread to set a watchpoint. In the event that - // hardware watchpoints are requested but the SetWatchpoint fails, - // try to set a software watchpoint as a fallback. It's - // conceivable that if there are more threads than hardware - // watchpoints available, some of the threads will fail to set - // hardware watchpoints while software ones may be available. - std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); - for (auto thread_sp : m_threads) - { - assert (thread_sp && "thread list should not have a NULL thread!"); - if (!thread_sp) - continue; - - Error thread_error = thread_sp->SetWatchpoint (addr, size, watch_flags, hardware); - if (thread_error.Fail () && hardware) - { - // Try software watchpoints since we failed on hardware watchpoint setting - // and we may have just run out of hardware watchpoints. - thread_error = thread_sp->SetWatchpoint (addr, size, watch_flags, false); - if (thread_error.Success ()) - { - if (log) - log->Warning ("hardware watchpoint requested but software watchpoint set"); - } + if (thread_error.Success()) { + // Remember that we set this watchpoint successfully in + // case we need to clear it later. + watchpoint_established_threads.push_back(thread_sp); + } else { + // Unset the watchpoint for each thread we successfully + // set so that we get back to a consistent state of "not + // set" for the watchpoint. + for (auto unwatch_thread_sp : watchpoint_established_threads) { + Error remove_error = unwatch_thread_sp->RemoveWatchpoint(addr); + if (remove_error.Fail() && log) { + log->Warning("NativeProcessProtocol::%s (): RemoveWatchpoint failed " + "for pid=%" PRIu64 ", tid=%" PRIu64 ": %s", + __FUNCTION__, GetID(), unwatch_thread_sp->GetID(), + remove_error.AsCString()); } + } - if (thread_error.Success ()) - { - // Remember that we set this watchpoint successfully in - // case we need to clear it later. - watchpoint_established_threads.push_back (thread_sp); - } - else - { - // Unset the watchpoint for each thread we successfully - // set so that we get back to a consistent state of "not - // set" for the watchpoint. - for (auto unwatch_thread_sp : watchpoint_established_threads) - { - Error remove_error = unwatch_thread_sp->RemoveWatchpoint (addr); - if (remove_error.Fail () && log) - { - log->Warning ("NativeProcessProtocol::%s (): RemoveWatchpoint failed for pid=%" PRIu64 ", tid=%" PRIu64 ": %s", - __FUNCTION__, GetID (), unwatch_thread_sp->GetID (), remove_error.AsCString ()); - } - } - - return thread_error; - } + return thread_error; } - return m_watchpoint_list.Add (addr, size, watch_flags, hardware); + } + return m_watchpoint_list.Add(addr, size, watch_flags, hardware); } -Error -NativeProcessProtocol::RemoveWatchpoint (lldb::addr_t addr) -{ - // Update the thread list - UpdateThreads (); - - Error overall_error; - - std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); - for (auto thread_sp : m_threads) - { - assert (thread_sp && "thread list should not have a NULL thread!"); - if (!thread_sp) - continue; - - const Error thread_error = thread_sp->RemoveWatchpoint (addr); - if (thread_error.Fail ()) - { - // Keep track of the first thread error if any threads - // fail. We want to try to remove the watchpoint from - // every thread, though, even if one or more have errors. - if (!overall_error.Fail ()) - overall_error = thread_error; - } - } - const Error error = m_watchpoint_list.Remove(addr); - return overall_error.Fail() ? overall_error : error; -} +Error NativeProcessProtocol::RemoveWatchpoint(lldb::addr_t addr) { + // Update the thread list + UpdateThreads(); -bool -NativeProcessProtocol::RegisterNativeDelegate (NativeDelegate &native_delegate) -{ - std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); - if (std::find (m_delegates.begin (), m_delegates.end (), &native_delegate) != m_delegates.end ()) - return false; + Error overall_error; - m_delegates.push_back (&native_delegate); - native_delegate.InitializeDelegate (this); - return true; + std::lock_guard<std::recursive_mutex> guard(m_threads_mutex); + for (auto thread_sp : m_threads) { + assert(thread_sp && "thread list should not have a NULL thread!"); + if (!thread_sp) + continue; + + const Error thread_error = thread_sp->RemoveWatchpoint(addr); + if (thread_error.Fail()) { + // Keep track of the first thread error if any threads + // fail. We want to try to remove the watchpoint from + // every thread, though, even if one or more have errors. + if (!overall_error.Fail()) + overall_error = thread_error; + } + } + const Error error = m_watchpoint_list.Remove(addr); + return overall_error.Fail() ? overall_error : error; } -bool -NativeProcessProtocol::UnregisterNativeDelegate (NativeDelegate &native_delegate) -{ - std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); - - const auto initial_size = m_delegates.size (); - m_delegates.erase (remove (m_delegates.begin (), m_delegates.end (), &native_delegate), m_delegates.end ()); +bool NativeProcessProtocol::RegisterNativeDelegate( + NativeDelegate &native_delegate) { + std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); + if (std::find(m_delegates.begin(), m_delegates.end(), &native_delegate) != + m_delegates.end()) + return false; - // We removed the delegate if the count of delegates shrank after - // removing all copies of the given native_delegate from the vector. - return m_delegates.size () < initial_size; + m_delegates.push_back(&native_delegate); + native_delegate.InitializeDelegate(this); + return true; } -void -NativeProcessProtocol::SynchronouslyNotifyProcessStateChanged (lldb::StateType state) -{ - Log *log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); +bool NativeProcessProtocol::UnregisterNativeDelegate( + NativeDelegate &native_delegate) { + std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); - std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); - for (auto native_delegate: m_delegates) - native_delegate->ProcessStateChanged (this, state); + const auto initial_size = m_delegates.size(); + m_delegates.erase( + remove(m_delegates.begin(), m_delegates.end(), &native_delegate), + m_delegates.end()); - if (log) - { - if (!m_delegates.empty ()) - { - log->Printf ("NativeProcessProtocol::%s: sent state notification [%s] from process %" PRIu64, - __FUNCTION__, lldb_private::StateAsCString (state), GetID ()); - } - else - { - log->Printf ("NativeProcessProtocol::%s: would send state notification [%s] from process %" PRIu64 ", but no delegates", - __FUNCTION__, lldb_private::StateAsCString (state), GetID ()); - } - } + // We removed the delegate if the count of delegates shrank after + // removing all copies of the given native_delegate from the vector. + return m_delegates.size() < initial_size; } -void -NativeProcessProtocol::NotifyDidExec () -{ - Log *log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf ("NativeProcessProtocol::%s - preparing to call delegates", __FUNCTION__); - - { - std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); - for (auto native_delegate: m_delegates) - native_delegate->DidExec (this); +void NativeProcessProtocol::SynchronouslyNotifyProcessStateChanged( + lldb::StateType state) { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + + std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); + for (auto native_delegate : m_delegates) + native_delegate->ProcessStateChanged(this, state); + + if (log) { + if (!m_delegates.empty()) { + log->Printf("NativeProcessProtocol::%s: sent state notification [%s] " + "from process %" PRIu64, + __FUNCTION__, lldb_private::StateAsCString(state), GetID()); + } else { + log->Printf("NativeProcessProtocol::%s: would send state notification " + "[%s] from process %" PRIu64 ", but no delegates", + __FUNCTION__, lldb_private::StateAsCString(state), GetID()); } + } } +void NativeProcessProtocol::NotifyDidExec() { + Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS)); + if (log) + log->Printf("NativeProcessProtocol::%s - preparing to call delegates", + __FUNCTION__); -Error -NativeProcessProtocol::SetSoftwareBreakpoint (lldb::addr_t addr, uint32_t size_hint) -{ - Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); - if (log) - log->Printf ("NativeProcessProtocol::%s addr = 0x%" PRIx64, __FUNCTION__, addr); + { + std::lock_guard<std::recursive_mutex> guard(m_delegates_mutex); + for (auto native_delegate : m_delegates) + native_delegate->DidExec(this); + } +} - return m_breakpoint_list.AddRef (addr, size_hint, false, - [this] (lldb::addr_t addr, size_t size_hint, bool /* hardware */, NativeBreakpointSP &breakpoint_sp)->Error - { return SoftwareBreakpoint::CreateSoftwareBreakpoint (*this, addr, size_hint, breakpoint_sp); }); +Error NativeProcessProtocol::SetSoftwareBreakpoint(lldb::addr_t addr, + uint32_t size_hint) { + Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS)); + if (log) + log->Printf("NativeProcessProtocol::%s addr = 0x%" PRIx64, __FUNCTION__, + addr); + + return m_breakpoint_list.AddRef( + addr, size_hint, false, + [this](lldb::addr_t addr, size_t size_hint, bool /* hardware */, + NativeBreakpointSP &breakpoint_sp) -> Error { + return SoftwareBreakpoint::CreateSoftwareBreakpoint( + *this, addr, size_hint, breakpoint_sp); + }); } -Error -NativeProcessProtocol::RemoveBreakpoint (lldb::addr_t addr) -{ - return m_breakpoint_list.DecRef (addr); +Error NativeProcessProtocol::RemoveBreakpoint(lldb::addr_t addr) { + return m_breakpoint_list.DecRef(addr); } -Error -NativeProcessProtocol::EnableBreakpoint (lldb::addr_t addr) -{ - return m_breakpoint_list.EnableBreakpoint (addr); +Error NativeProcessProtocol::EnableBreakpoint(lldb::addr_t addr) { + return m_breakpoint_list.EnableBreakpoint(addr); } -Error -NativeProcessProtocol::DisableBreakpoint (lldb::addr_t addr) -{ - return m_breakpoint_list.DisableBreakpoint (addr); +Error NativeProcessProtocol::DisableBreakpoint(lldb::addr_t addr) { + return m_breakpoint_list.DisableBreakpoint(addr); } -lldb::StateType -NativeProcessProtocol::GetState () const -{ - std::lock_guard<std::recursive_mutex> guard(m_state_mutex); - return m_state; +lldb::StateType NativeProcessProtocol::GetState() const { + std::lock_guard<std::recursive_mutex> guard(m_state_mutex); + return m_state; } -void -NativeProcessProtocol::SetState (lldb::StateType state, bool notify_delegates) -{ - std::lock_guard<std::recursive_mutex> guard(m_state_mutex); +void NativeProcessProtocol::SetState(lldb::StateType state, + bool notify_delegates) { + std::lock_guard<std::recursive_mutex> guard(m_state_mutex); - if (state == m_state) - return; + if (state == m_state) + return; - m_state = state; + m_state = state; - if (StateIsStoppedState (state, false)) - { - ++m_stop_id; + if (StateIsStoppedState(state, false)) { + ++m_stop_id; - // Give process a chance to do any stop id bump processing, such as - // clearing cached data that is invalidated each time the process runs. - // Note if/when we support some threads running, we'll end up needing - // to manage this per thread and per process. - DoStopIDBumped (m_stop_id); - } + // Give process a chance to do any stop id bump processing, such as + // clearing cached data that is invalidated each time the process runs. + // Note if/when we support some threads running, we'll end up needing + // to manage this per thread and per process. + DoStopIDBumped(m_stop_id); + } - // Optionally notify delegates of the state change. - if (notify_delegates) - SynchronouslyNotifyProcessStateChanged (state); + // Optionally notify delegates of the state change. + if (notify_delegates) + SynchronouslyNotifyProcessStateChanged(state); } -uint32_t NativeProcessProtocol::GetStopID () const -{ - std::lock_guard<std::recursive_mutex> guard(m_state_mutex); - return m_stop_id; +uint32_t NativeProcessProtocol::GetStopID() const { + std::lock_guard<std::recursive_mutex> guard(m_state_mutex); + return m_stop_id; } -void -NativeProcessProtocol::DoStopIDBumped (uint32_t /* newBumpId */) -{ - // Default implementation does nothing. +void NativeProcessProtocol::DoStopIDBumped(uint32_t /* newBumpId */) { + // Default implementation does nothing. } -Error -NativeProcessProtocol::ResolveProcessArchitecture(lldb::pid_t pid, - ArchSpec &arch) -{ - // Grab process info for the running process. - ProcessInstanceInfo process_info; - if (!Host::GetProcessInfo(pid, process_info)) - return Error("failed to get process info"); - - // Resolve the executable module. - ModuleSpecList module_specs; - if (!ObjectFile::GetModuleSpecifications(process_info.GetExecutableFile(), - 0, 0, module_specs)) - return Error("failed to get module specifications"); - lldbassert(module_specs.GetSize() == 1); - - arch = module_specs.GetModuleSpecRefAtIndex(0).GetArchitecture(); - if (arch.IsValid()) - return Error(); - else - return Error("failed to retrieve a valid architecture from the exe module"); +Error NativeProcessProtocol::ResolveProcessArchitecture(lldb::pid_t pid, + ArchSpec &arch) { + // Grab process info for the running process. + ProcessInstanceInfo process_info; + if (!Host::GetProcessInfo(pid, process_info)) + return Error("failed to get process info"); + + // Resolve the executable module. + ModuleSpecList module_specs; + if (!ObjectFile::GetModuleSpecifications(process_info.GetExecutableFile(), 0, + 0, module_specs)) + return Error("failed to get module specifications"); + lldbassert(module_specs.GetSize() == 1); + + arch = module_specs.GetModuleSpecRefAtIndex(0).GetArchitecture(); + if (arch.IsValid()) + return Error(); + else + return Error("failed to retrieve a valid architecture from the exe module"); } #ifndef __linux__ -// These need to be implemented to support lldb-gdb-server on a given platform. Stubs are +// These need to be implemented to support lldb-gdb-server on a given platform. +// Stubs are // provided to make the rest of the code link on non-supported platforms. -Error -NativeProcessProtocol::Launch (ProcessLaunchInfo &launch_info, - NativeDelegate &native_delegate, - MainLoop &mainloop, - NativeProcessProtocolSP &process_sp) -{ - llvm_unreachable("Platform has no NativeProcessProtocol support"); +Error NativeProcessProtocol::Launch(ProcessLaunchInfo &launch_info, + NativeDelegate &native_delegate, + MainLoop &mainloop, + NativeProcessProtocolSP &process_sp) { + llvm_unreachable("Platform has no NativeProcessProtocol support"); } -Error -NativeProcessProtocol::Attach (lldb::pid_t pid, - NativeDelegate &native_delegate, - MainLoop &mainloop, - NativeProcessProtocolSP &process_sp) -{ - llvm_unreachable("Platform has no NativeProcessProtocol support"); +Error NativeProcessProtocol::Attach(lldb::pid_t pid, + NativeDelegate &native_delegate, + MainLoop &mainloop, + NativeProcessProtocolSP &process_sp) { + llvm_unreachable("Platform has no NativeProcessProtocol support"); } #endif |
