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lldb_private::process_netbsd::NativeProcessNetBSD Class Reference

#include <NativeProcessNetBSD.h>

Inheritance diagram for lldb_private::process_netbsd::NativeProcessNetBSD:
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Collaboration diagram for lldb_private::process_netbsd::NativeProcessNetBSD:
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Classes

class  Factory
 

Public Member Functions

Status Resume (const ResumeActionList &resume_actions) override
 
Status Halt () override
 
Status Detach () override
 
Status Signal (int signo) override
 Sends a process a UNIX signal signal. More...
 
Status Interrupt () override
 Tells a process to interrupt all operations as if by a Ctrl-C. More...
 
Status Kill () override
 
Status GetMemoryRegionInfo (lldb::addr_t load_addr, MemoryRegionInfo &range_info) override
 
Status ReadMemory (lldb::addr_t addr, void *buf, size_t size, size_t &bytes_read) override
 
Status WriteMemory (lldb::addr_t addr, const void *buf, size_t size, size_t &bytes_written) override
 
lldb::addr_t GetSharedLibraryInfoAddress () override
 
size_t UpdateThreads () override
 
const ArchSpecGetArchitecture () const override
 
Status SetBreakpoint (lldb::addr_t addr, uint32_t size, bool hardware) override
 
Status GetLoadedModuleFileSpec (const char *module_path, FileSpec &file_spec) override
 
Status GetFileLoadAddress (const llvm::StringRef &file_name, lldb::addr_t &load_addr) override
 
llvm::ErrorOr< std::unique_ptr< llvm::MemoryBuffer > > GetAuxvData () const override
 
llvm::Expected< std::stringSaveCore (llvm::StringRef path_hint) override
 Write a core dump (without crashing the program). More...
 
- Public Member Functions inherited from lldb_private::NativeProcessELF
llvm::Optional< uint64_t > GetAuxValue (enum AuxVector::EntryType type)
 
- Public Member Functions inherited from lldb_private::NativeProcessProtocol
virtual ~NativeProcessProtocol ()=default
 
virtual Status IgnoreSignals (llvm::ArrayRef< int > signals)
 
Status ReadMemoryWithoutTrap (lldb::addr_t addr, void *buf, size_t size, size_t &bytes_read)
 
virtual Status ReadMemoryTags (int32_t type, lldb::addr_t addr, size_t len, std::vector< uint8_t > &tags)
 
virtual Status WriteMemoryTags (int32_t type, lldb::addr_t addr, size_t len, const std::vector< uint8_t > &tags)
 
llvm::Expected< llvm::StringRef > ReadCStringFromMemory (lldb::addr_t addr, char *buffer, size_t max_size, size_t &total_bytes_read)
 Reads a null terminated string from memory. More...
 
virtual llvm::Expected< lldb::addr_tAllocateMemory (size_t size, uint32_t permissions)
 
virtual llvm::Error DeallocateMemory (lldb::addr_t addr)
 
virtual bool IsAlive () const
 
virtual Status RemoveBreakpoint (lldb::addr_t addr, bool hardware=false)
 
virtual const HardwareBreakpointMapGetHardwareBreakpointMap () const
 
virtual Status SetHardwareBreakpoint (lldb::addr_t addr, size_t size)
 
virtual Status RemoveHardwareBreakpoint (lldb::addr_t addr)
 
virtual const NativeWatchpointList::WatchpointMapGetWatchpointMap () const
 
virtual llvm::Optional< std::pair< uint32_t, uint32_t > > GetHardwareDebugSupportInfo () const
 
virtual Status SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware)
 
virtual Status RemoveWatchpoint (lldb::addr_t addr)
 
lldb::pid_t GetID () const
 
lldb::StateType GetState () const
 
bool IsRunning () const
 
bool IsStepping () const
 
bool CanResume () const
 
lldb::ByteOrder GetByteOrder () const
 
uint32_t GetAddressByteSize () const
 
virtual llvm::Optional< WaitStatusGetExitStatus ()
 
virtual bool SetExitStatus (WaitStatus status, bool bNotifyStateChange)
 
NativeThreadProtocolGetThreadAtIndex (uint32_t idx)
 
NativeThreadProtocolGetThreadByID (lldb::tid_t tid)
 
void SetCurrentThreadID (lldb::tid_t tid)
 
lldb::tid_t GetCurrentThreadID ()
 
NativeThreadProtocolGetCurrentThread ()
 
virtual int GetTerminalFileDescriptor ()
 
uint32_t GetStopID () const
 
virtual llvm::Error TraceStart (llvm::StringRef json_params, llvm::StringRef type)
 Start tracing a process or its threads. More...
 
virtual llvm::Error TraceStop (const TraceStopRequest &request)
 Stop tracing a live process or its threads. More...
 
virtual llvm::Expected< llvm::json::Value > TraceGetState (llvm::StringRef type)
 Get the current tracing state of the process and its threads. More...
 
virtual llvm::Expected< std::vector< uint8_t > > TraceGetBinaryData (const TraceGetBinaryDataRequest &request)
 Get binary data given a trace technology and a data identifier. More...
 
virtual llvm::Expected< TraceSupportedResponseTraceSupported ()
 Get the processor tracing type supported for this process. More...
 
virtual void SetEnabledExtensions (Extension flags)
 Method called in order to propagate the bitmap of protocol extensions supported by the client. More...
 

Static Public Member Functions

static Status PtraceWrapper (int req, lldb::pid_t pid, void *addr=nullptr, int data=0, int *result=nullptr)
 

Private Member Functions

 NativeProcessNetBSD (::pid_t pid, int terminal_fd, NativeDelegate &delegate, const ArchSpec &arch, MainLoop &mainloop)
 
bool HasThreadNoLock (lldb::tid_t thread_id)
 
NativeThreadNetBSDAddThread (lldb::tid_t thread_id)
 
void RemoveThread (lldb::tid_t thread_id)
 
void MonitorCallback (lldb::pid_t pid, int signal)
 
void MonitorExited (lldb::pid_t pid, WaitStatus status)
 
void MonitorSIGSTOP (lldb::pid_t pid)
 
void MonitorSIGTRAP (lldb::pid_t pid)
 
void MonitorSignal (lldb::pid_t pid, int signal)
 
void MonitorClone (::pid_t child_pid, bool is_vfork, NativeThreadNetBSD &parent_thread)
 
Status PopulateMemoryRegionCache ()
 
void SigchldHandler ()
 
Status Attach ()
 
Status SetupTrace ()
 
Status ReinitializeThreads ()
 

Private Attributes

MainLoop::SignalHandleUP m_sigchld_handle
 
ArchSpec m_arch
 
MainLoopm_main_loop
 
LazyBool m_supports_mem_region = eLazyBoolCalculate
 
std::vector< std::pair< MemoryRegionInfo, FileSpec > > m_mem_region_cache
 

Additional Inherited Members

- Public Types inherited from lldb_private::NativeProcessProtocol
enum  Extension {
  Extension::multiprocess = (1u << 0), Extension::fork = (1u << 1), Extension::vfork = (1u << 2), Extension::pass_signals = (1u << 3),
  Extension::auxv = (1u << 4), Extension::libraries_svr4 = (1u << 5), Extension::memory_tagging = (1u << 6), Extension::savecore = (1u << 7)
}
 Extension flag constants, returned by Factory::GetSupportedExtensions() and passed to SetEnabledExtension() More...
 
- Protected Member Functions inherited from lldb_private::NativeProcessELF
lldb::addr_t GetSharedLibraryInfoAddress () override
 
template<typename ELF_EHDR , typename ELF_PHDR , typename ELF_DYN >
lldb::addr_t GetELFImageInfoAddress ()
 
llvm::Expected< std::vector< SVR4LibraryInfo > > GetLoadedSVR4Libraries () override
 
template<typename T >
llvm::Expected< SVR4LibraryInfoReadSVR4LibraryInfo (lldb::addr_t link_map_addr)
 
- Protected Member Functions inherited from lldb_private::NativeProcessProtocol
 NativeProcessProtocol (lldb::pid_t pid, int terminal_fd, NativeDelegate &delegate)
 
void SetID (lldb::pid_t pid)
 
void SetState (lldb::StateType state, bool notify_delegates=true)
 
virtual void DoStopIDBumped (uint32_t newBumpId)
 
Status SetSoftwareBreakpoint (lldb::addr_t addr, uint32_t size_hint)
 
Status RemoveSoftwareBreakpoint (lldb::addr_t addr)
 
virtual llvm::Expected< llvm::ArrayRef< uint8_t > > GetSoftwareBreakpointTrapOpcode (size_t size_hint)
 
virtual size_t GetSoftwareBreakpointPCOffset ()
 Return the offset of the PC relative to the software breakpoint that was hit. More...
 
void FixupBreakpointPCAsNeeded (NativeThreadProtocol &thread)
 
void NotifyDidExec ()
 Notify the delegate that an exec occurred. More...
 
NativeThreadProtocolGetThreadByIDUnlocked (lldb::tid_t tid)
 
- Protected Attributes inherited from lldb_private::NativeProcessELF
std::unique_ptr< AuxVectorm_aux_vector
 
llvm::Optional< lldb::addr_tm_shared_library_info_addr
 
- Protected Attributes inherited from lldb_private::NativeProcessProtocol
std::unordered_map< lldb::addr_t, SoftwareBreakpointm_software_breakpoints
 
lldb::pid_t m_pid
 
std::vector< std::unique_ptr< NativeThreadProtocol > > m_threads
 
lldb::tid_t m_current_thread_id = LLDB_INVALID_THREAD_ID
 
std::recursive_mutex m_threads_mutex
 
lldb::StateType m_state = lldb::eStateInvalid
 
std::recursive_mutex m_state_mutex
 
llvm::Optional< WaitStatusm_exit_status
 
NativeDelegatem_delegate
 
NativeWatchpointList m_watchpoint_list
 
HardwareBreakpointMap m_hw_breakpoints_map
 
int m_terminal_fd
 
uint32_t m_stop_id = 0
 
llvm::DenseSet< int > m_signals_to_ignore
 
Extension m_enabled_extensions
 

Detailed Description

Manages communication with the inferior (debugee) process.

Upon construction, this class prepares and launches an inferior process for debugging.

Changes in the inferior process state are broadcasted.

Definition at line 28 of file NativeProcessNetBSD.h.

Constructor & Destructor Documentation

◆ NativeProcessNetBSD()

NativeProcessNetBSD::NativeProcessNetBSD ( ::pid_t  pid,
int  terminal_fd,
NativeDelegate delegate,
const ArchSpec arch,
MainLoop mainloop 
)
private

Member Function Documentation

◆ AddThread()

NativeThreadNetBSD & NativeProcessNetBSD::AddThread ( lldb::tid_t  thread_id)
private

◆ Attach()

Status NativeProcessNetBSD::Attach ( )
private

◆ Detach()

Status NativeProcessNetBSD::Detach ( )
overridevirtual

◆ GetArchitecture()

const ArchSpec& lldb_private::process_netbsd::NativeProcessNetBSD::GetArchitecture ( ) const
inlineoverridevirtual

Implements lldb_private::NativeProcessProtocol.

Definition at line 69 of file NativeProcessNetBSD.h.

References m_arch.

◆ GetAuxvData()

llvm::ErrorOr< std::unique_ptr< llvm::MemoryBuffer > > NativeProcessNetBSD::GetAuxvData ( ) const
overridevirtual

◆ GetFileLoadAddress()

Status NativeProcessNetBSD::GetFileLoadAddress ( const llvm::StringRef &  file_name,
lldb::addr_t load_addr 
)
overridevirtual

◆ GetLoadedModuleFileSpec()

Status NativeProcessNetBSD::GetLoadedModuleFileSpec ( const char *  module_path,
FileSpec file_spec 
)
overridevirtual

◆ GetMemoryRegionInfo()

Status NativeProcessNetBSD::GetMemoryRegionInfo ( lldb::addr_t  load_addr,
MemoryRegionInfo range_info 
)
overridevirtual

◆ GetSharedLibraryInfoAddress()

lldb::addr_t NativeProcessNetBSD::GetSharedLibraryInfoAddress ( )
overridevirtual

Implements lldb_private::NativeProcessProtocol.

Definition at line 722 of file NativeProcessNetBSD.cpp.

References LLDB_INVALID_ADDRESS.

◆ Halt()

Status NativeProcessNetBSD::Halt ( )
overridevirtual

◆ HasThreadNoLock()

bool NativeProcessNetBSD::HasThreadNoLock ( lldb::tid_t  thread_id)
private

Definition at line 806 of file NativeProcessNetBSD.cpp.

References lldb_private::NativeProcessProtocol::m_threads.

Referenced by AddThread(), and RemoveThread().

◆ Interrupt()

Status NativeProcessNetBSD::Interrupt ( )
overridevirtual

Tells a process to interrupt all operations as if by a Ctrl-C.

The default implementation will send a local host's equivalent of a SIGSTOP to the process via the NativeProcessProtocol::Signal() operation.

Returns
Returns an error object.

Reimplemented from lldb_private::NativeProcessProtocol.

Definition at line 560 of file NativeProcessNetBSD.cpp.

References lldb_private::NativeProcessProtocol::GetID(), and PtraceWrapper().

◆ Kill()

Status NativeProcessNetBSD::Kill ( )
overridevirtual

◆ MonitorCallback()

void NativeProcessNetBSD::MonitorCallback ( lldb::pid_t  pid,
int  signal 
)
private

Definition at line 163 of file NativeProcessNetBSD.cpp.

References MonitorSignal(), MonitorSIGSTOP(), MonitorSIGTRAP(), SIGSTOP, and SIGTRAP.

Referenced by SigchldHandler().

◆ MonitorClone()

void NativeProcessNetBSD::MonitorClone ( ::pid_t  child_pid,
bool  is_vfork,
NativeThreadNetBSD parent_thread 
)
private

◆ MonitorExited()

void NativeProcessNetBSD::MonitorExited ( lldb::pid_t  pid,
WaitStatus  status 
)
private

◆ MonitorSignal()

void NativeProcessNetBSD::MonitorSignal ( lldb::pid_t  pid,
int  signal 
)
private

◆ MonitorSIGSTOP()

void NativeProcessNetBSD::MonitorSIGSTOP ( lldb::pid_t  pid)
private

◆ MonitorSIGTRAP()

void NativeProcessNetBSD::MonitorSIGTRAP ( lldb::pid_t  pid)
private

◆ PopulateMemoryRegionCache()

Status NativeProcessNetBSD::PopulateMemoryRegionCache ( )
private

◆ PtraceWrapper()

Status NativeProcessNetBSD::PtraceWrapper ( int  req,
lldb::pid_t  pid,
void *  addr = nullptr,
int  data = 0,
int *  result = nullptr 
)
static

◆ ReadMemory()

Status NativeProcessNetBSD::ReadMemory ( lldb::addr_t  addr,
void *  buf,
size_t  size,
size_t &  bytes_read 
)
overridevirtual

◆ ReinitializeThreads()

Status NativeProcessNetBSD::ReinitializeThreads ( )
private

◆ RemoveThread()

void NativeProcessNetBSD::RemoveThread ( lldb::tid_t  thread_id)
private

◆ Resume()

Status NativeProcessNetBSD::Resume ( const ResumeActionList resume_actions)
overridevirtual

◆ SaveCore()

llvm::Expected< std::string > NativeProcessNetBSD::SaveCore ( llvm::StringRef  path_hint)
overridevirtual

Write a core dump (without crashing the program).

Parameters
[in]path_hintSuggested core dump path (optional, can be empty).
Returns
Path to the core dump if successfully written, an error otherwise.

Reimplemented from lldb_private::NativeProcessProtocol.

Definition at line 1079 of file NativeProcessNetBSD.cpp.

References error(), lldb_private::NativeProcessProtocol::GetID(), and PtraceWrapper().

◆ SetBreakpoint()

Status NativeProcessNetBSD::SetBreakpoint ( lldb::addr_t  addr,
uint32_t  size,
bool  hardware 
)
overridevirtual

◆ SetupTrace()

Status NativeProcessNetBSD::SetupTrace ( )
private

◆ SigchldHandler()

void NativeProcessNetBSD::SigchldHandler ( )
private

◆ Signal()

Status NativeProcessNetBSD::Signal ( int  signo)
overridevirtual

Sends a process a UNIX signal signal.

Returns
Returns an error object.

Implements lldb_private::NativeProcessProtocol.

Definition at line 551 of file NativeProcessNetBSD.cpp.

References error(), and lldb_private::NativeProcessProtocol::GetID().

◆ UpdateThreads()

size_t NativeProcessNetBSD::UpdateThreads ( )
overridevirtual

◆ WriteMemory()

Status NativeProcessNetBSD::WriteMemory ( lldb::addr_t  addr,
const void *  buf,
size_t  size,
size_t &  bytes_written 
)
overridevirtual

Member Data Documentation

◆ m_arch

ArchSpec lldb_private::process_netbsd::NativeProcessNetBSD::m_arch
private

Definition at line 95 of file NativeProcessNetBSD.h.

Referenced by GetArchitecture(), and MonitorClone().

◆ m_main_loop

MainLoop& lldb_private::process_netbsd::NativeProcessNetBSD::m_main_loop
private

Definition at line 96 of file NativeProcessNetBSD.h.

Referenced by MonitorClone().

◆ m_mem_region_cache

std::vector<std::pair<MemoryRegionInfo, FileSpec> > lldb_private::process_netbsd::NativeProcessNetBSD::m_mem_region_cache
private

◆ m_sigchld_handle

MainLoop::SignalHandleUP lldb_private::process_netbsd::NativeProcessNetBSD::m_sigchld_handle
private

Definition at line 94 of file NativeProcessNetBSD.h.

Referenced by Detach(), and NativeProcessNetBSD().

◆ m_supports_mem_region

LazyBool lldb_private::process_netbsd::NativeProcessNetBSD::m_supports_mem_region = eLazyBoolCalculate
private

Definition at line 97 of file NativeProcessNetBSD.h.

Referenced by GetMemoryRegionInfo(), and PopulateMemoryRegionCache().


The documentation for this class was generated from the following files: