diff options
Diffstat (limited to 'lldb/source/API/SBProcess.cpp')
-rw-r--r-- | lldb/source/API/SBProcess.cpp | 604 |
1 files changed, 604 insertions, 0 deletions
diff --git a/lldb/source/API/SBProcess.cpp b/lldb/source/API/SBProcess.cpp new file mode 100644 index 00000000000..776939c9ea6 --- /dev/null +++ b/lldb/source/API/SBProcess.cpp @@ -0,0 +1,604 @@ +//===-- SBProcess.cpp -------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "SBProcess.h" + +#include "lldb/lldb-defines.h" +#include "lldb/lldb-types.h" + +#include "lldb/Core/Args.h" +#include "lldb/Core/DataBufferHeap.h" +#include "lldb/Core/DataExtractor.h" +#include "lldb/Core/State.h" +#include "lldb/Core/Stream.h" +#include "lldb/Core/StreamFile.h" +#include "lldb/Target/Process.h" +#include "lldb/Target/Thread.h" +#include "lldb/Target/RegisterContext.h" + +// Project includes + +#include "SBBroadcaster.h" +#include "SBDebugger.h" +#include "SBCommandReturnObject.h" +#include "SBEvent.h" +#include "SBThread.h" +#include "SBStringList.h" + +using namespace lldb; +using namespace lldb_private; + + + +SBProcess::SBProcess () : + m_lldb_object_sp() +{ +} + + +//---------------------------------------------------------------------- +// SBProcess constructor +//---------------------------------------------------------------------- + +SBProcess::SBProcess (const SBProcess& rhs) : + m_lldb_object_sp (rhs.m_lldb_object_sp) +{ +} + + +SBProcess::SBProcess (const lldb::ProcessSP &process_sp) : + m_lldb_object_sp (process_sp) +{ +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +SBProcess::~SBProcess() +{ +} + +void +SBProcess::SetProcess (const ProcessSP &process_sp) +{ + m_lldb_object_sp = process_sp; +} + +void +SBProcess::Clear () +{ + m_lldb_object_sp.reset(); +} + + +bool +SBProcess::IsValid() const +{ + return m_lldb_object_sp.get() != NULL; +} + + +uint32_t +SBProcess::GetNumThreads () +{ + if (m_lldb_object_sp) + { + const bool can_update = true; + return m_lldb_object_sp->GetThreadList().GetSize(can_update); + } + return 0; +} + +SBThread +SBProcess::GetCurrentThread () const +{ + SBThread sb_thread; + if (m_lldb_object_sp) + sb_thread.SetThread (m_lldb_object_sp->GetThreadList().GetCurrentThread()); + return sb_thread; +} + +SBTarget +SBProcess::GetTarget() const +{ + SBTarget sb_target; + if (m_lldb_object_sp) + sb_target = SBDebugger::FindTargetWithLLDBProcess (m_lldb_object_sp); + return sb_target; +} + + +size_t +SBProcess::PutSTDIN (const char *src, size_t src_len) +{ + if (m_lldb_object_sp != NULL) + { + Error error; + return m_lldb_object_sp->PutSTDIN (src, src_len, error); + } + else + return 0; +} + +size_t +SBProcess::GetSTDOUT (char *dst, size_t dst_len) const +{ + if (m_lldb_object_sp != NULL) + { + Error error; + return m_lldb_object_sp->GetSTDOUT (dst, dst_len, error); + } + else + return 0; +} + +size_t +SBProcess::GetSTDERR (char *dst, size_t dst_len) const +{ + if (m_lldb_object_sp != NULL) + { + Error error; + return m_lldb_object_sp->GetSTDERR (dst, dst_len, error); + } + else + return 0; +} + +void +SBProcess::ReportCurrentState (const SBEvent &event, FILE *out) const +{ + if (out == NULL) + return; + + if (m_lldb_object_sp != NULL) + { + const StateType event_state = SBProcess::GetStateFromEvent (event); + char message[1024]; + int message_len = ::snprintf (message, + sizeof (message), + "Process %d %s\n", + m_lldb_object_sp->GetID(), + SBDebugger::StateAsCString (event_state)); + + if (message_len > 0) + ::fwrite (message, 1, message_len, out); + } +} + +void +SBProcess::AppendCurrentStateReport (const SBEvent &event, SBCommandReturnObject &result) +{ + if (m_lldb_object_sp != NULL) + { + const StateType event_state = SBProcess::GetStateFromEvent (event); + char message[1024]; + ::snprintf (message, + sizeof (message), + "Process %d %s\n", + m_lldb_object_sp->GetID(), + SBDebugger::StateAsCString (event_state)); + + result.AppendMessage (message); + } +} + +bool +SBProcess::SetCurrentThread (const SBThread &thread) +{ + if (m_lldb_object_sp != NULL) + return m_lldb_object_sp->GetThreadList().SetCurrentThreadByID (thread.GetThreadID()); + return false; +} + +bool +SBProcess::SetCurrentThreadByID (uint32_t tid) +{ + if (m_lldb_object_sp != NULL) + return m_lldb_object_sp->GetThreadList().SetCurrentThreadByID (tid); + return false; +} + +SBThread +SBProcess::GetThreadAtIndex (size_t index) +{ + SBThread thread; + if (m_lldb_object_sp) + thread.SetThread (m_lldb_object_sp->GetThreadList().GetThreadAtIndex(index)); + return thread; +} + +StateType +SBProcess::GetState () +{ + if (m_lldb_object_sp != NULL) + return m_lldb_object_sp->GetState(); + else + return eStateInvalid; +} + + +int +SBProcess::GetExitStatus () +{ + if (m_lldb_object_sp != NULL) + return m_lldb_object_sp->GetExitStatus (); + else + return 0; +} + +const char * +SBProcess::GetExitDescription () +{ + if (m_lldb_object_sp != NULL) + return m_lldb_object_sp->GetExitDescription (); + else + return NULL; +} + +lldb::pid_t +SBProcess::GetProcessID () +{ + if (m_lldb_object_sp) + return m_lldb_object_sp->GetID(); + else + return LLDB_INVALID_PROCESS_ID; +} + +uint32_t +SBProcess::GetAddressByteSize () const +{ + if (m_lldb_object_sp) + return m_lldb_object_sp->GetAddressByteSize(); + else + return 0; +} + + +void +SBProcess::DisplayThreadsInfo (FILE *out, FILE *err, bool only_threads_with_stop_reason) +{ + if (m_lldb_object_sp != NULL) + { + size_t num_thread_infos_dumped = 0; + size_t num_threads = GetNumThreads(); + + if (out == NULL) + out = SBDebugger::GetOutputFileHandle(); + + if (err == NULL) + err = SBDebugger::GetErrorFileHandle(); + + if ((out == NULL) ||(err == NULL)) + return; + + if (num_threads > 0) + { + Thread::StopInfo thread_stop_info; + SBThread curr_thread (m_lldb_object_sp->GetThreadList().GetCurrentThread()); + for (int i = 0; i < num_threads; ++i) + { + SBThread thread (m_lldb_object_sp->GetThreadList().GetThreadAtIndex(i)); + if (thread.IsValid()) + { + bool is_current_thread = false; + StreamFile str (out); + if (thread == curr_thread) + is_current_thread = true; + StopReason thread_stop_reason = eStopReasonNone; + if (thread->GetStopInfo (&thread_stop_info)) + { + thread_stop_reason = thread_stop_info.GetStopReason(); + if (thread_stop_reason == eStopReasonNone) + { + if (only_threads_with_stop_reason && !is_current_thread) + continue; + } + } + ++num_thread_infos_dumped; + fprintf (out, " %c thread #%u: tid = 0x%4.4x, pc = 0x%16.16llx", + (is_current_thread ? '*' : ' '), + thread->GetIndexID(), thread->GetID(), thread->GetRegisterContext()->GetPC()); + + StackFrameSP frame_sp(thread->GetStackFrameAtIndex (0)); + if (frame_sp) + { + SymbolContext sc (frame_sp->GetSymbolContext (eSymbolContextEverything)); + fprintf (out, ", where = "); + sc.DumpStopContext (&str, m_lldb_object_sp.get(), frame_sp->GetPC ()); + } + + if (thread_stop_reason != eStopReasonNone) + { + fprintf (out, ", stop reason = "); + thread_stop_info.Dump (&str); + } + + const char *thread_name = thread->GetName(); + if (thread_name && thread_name[0]) + fprintf (out, ", thread_name = '%s'", thread_name); + + fprintf (out, "\n"); + + SBThread sb_thread (thread); + sb_thread.DisplayFramesForCurrentContext (out, err, 0, 1, false, 1); + } + } + } + } +} +bool +SBProcess::WaitUntilProcessHasStopped (SBCommandReturnObject &result) +{ + bool state_changed = false; + + if (IsValid()) + { + EventSP event_sp; + StateType state = m_lldb_object_sp->WaitForStateChangedEvents (NULL, event_sp); + + while (StateIsStoppedState (state)) + { + state = m_lldb_object_sp->WaitForStateChangedEvents (NULL, event_sp); + SBEvent event (event_sp); + AppendCurrentStateReport (event, result); + state_changed = true; + } + } + return state_changed; +} + +SBError +SBProcess::Continue () +{ + SBError sb_error; + if (IsValid()) + sb_error.SetError(m_lldb_object_sp->Resume()); + else + sb_error.SetErrorString ("SBProcess is invalid"); + + return sb_error; +} + + +SBError +SBProcess::Destroy () +{ + SBError sb_error; + if (m_lldb_object_sp) + sb_error.SetError(m_lldb_object_sp->Destroy()); + else + sb_error.SetErrorString ("SBProcess is invalid"); + + return sb_error; +} + + +SBError +SBProcess::Stop () +{ + SBError sb_error; + if (IsValid()) + sb_error.SetError (m_lldb_object_sp->Halt()); + else + sb_error.SetErrorString ("SBProcess is invalid"); + return sb_error; +} + +SBError +SBProcess::Kill () +{ + SBError sb_error; + if (m_lldb_object_sp) + sb_error.SetError (m_lldb_object_sp->Destroy()); + else + sb_error.SetErrorString ("SBProcess is invalid"); + return sb_error; +} + + +SBError +SBProcess::AttachByName (const char *name, bool wait_for_launch) +{ + SBError sb_error; + if (m_lldb_object_sp) + sb_error.SetError (m_lldb_object_sp->Attach (name, wait_for_launch)); + else + sb_error.SetErrorString ("SBProcess is invalid"); + return sb_error; +} + +lldb::pid_t +SBProcess::AttachByPID (lldb::pid_t attach_pid) // DEPRECATED: will be removed in a few builds in favor of SBError AttachByPID(pid_t) +{ + Attach (attach_pid); + return GetProcessID(); +} + + +SBError +SBProcess::Attach (lldb::pid_t attach_pid) +{ + SBError sb_error; + if (m_lldb_object_sp) + sb_error.SetError (m_lldb_object_sp->Attach (attach_pid)); + else + sb_error.SetErrorString ("SBProcess is invalid"); + return sb_error; +} + +SBError +SBProcess::Detach () +{ + SBError sb_error; + if (m_lldb_object_sp) + sb_error.SetError (m_lldb_object_sp->Detach()); + else + sb_error.SetErrorString ("SBProcess is invalid"); + + return sb_error; +} + +SBError +SBProcess::Signal (int signal) +{ + SBError sb_error; + if (m_lldb_object_sp) + sb_error.SetError (m_lldb_object_sp->Signal (signal)); + else + sb_error.SetErrorString ("SBProcess is invalid"); + return sb_error; +} + +void +SBProcess::ListThreads () +{ + FILE *out = SBDebugger::GetOutputFileHandle(); + if (out == NULL) + return; + + if (m_lldb_object_sp) + { + size_t num_threads = GetNumThreads (); + if (num_threads > 0) + { + Thread *cur_thread = m_lldb_object_sp->GetThreadList().GetCurrentThread().get(); + for (int i = 0; i < num_threads; ++i) + { + Thread *thread = m_lldb_object_sp->GetThreadList().GetThreadAtIndex(i).get(); + if (thread) + { + bool is_current_thread = false; + if (thread == cur_thread) + is_current_thread = true; + fprintf (out, " [%u] %c tid = 0x%4.4x, pc = 0x%16.16llx", + i, + (is_current_thread ? '*' : ' '), + thread->GetID(), + thread->GetRegisterContext()->GetPC()); + const char *thread_name = thread->GetName(); + if (thread_name && thread_name[0]) + fprintf (out, ", name = %s", thread_name); + const char *queue_name = thread->GetQueueName(); + if (queue_name && queue_name[0]) + fprintf (out, ", queue = %s", queue_name); + fprintf (out, "\n"); + } + } + } + } +} + +SBThread +SBProcess::GetThreadByID (tid_t sb_thread_id) +{ + SBThread thread; + if (m_lldb_object_sp) + thread.SetThread (m_lldb_object_sp->GetThreadList().FindThreadByID ((tid_t) sb_thread_id)); + return thread; +} + +void +SBProcess::Backtrace (bool all_threads, uint32_t num_frames) +{ + if (m_lldb_object_sp) + { + if (!all_threads) + { + SBDebugger::UpdateCurrentThread (*this); + SBThread cur_thread = GetCurrentThread(); + if (cur_thread.IsValid()) + cur_thread.Backtrace (num_frames); + } + else + { + int num_threads = GetNumThreads (); + for (int i = 0; i < num_threads; ++i) + { + SBThread sb_thread = GetThreadAtIndex (i); + sb_thread.Backtrace (num_frames); + } + } + } +} + +StateType +SBProcess::GetStateFromEvent (const SBEvent &event) +{ + return Process::ProcessEventData::GetStateFromEvent (event.GetLLDBObjectPtr()); +} + + +bool +SBProcess::GetRestartedFromEvent (const SBEvent &event) +{ + return Process::ProcessEventData::GetRestartedFromEvent (event.GetLLDBObjectPtr()); +} + +SBProcess +SBProcess::GetProcessFromEvent (const SBEvent &event) +{ + SBProcess process(Process::ProcessEventData::GetProcessFromEvent (event.GetLLDBObjectPtr())); + return process; +} + + +SBBroadcaster +SBProcess::GetBroadcaster () const +{ + SBBroadcaster broadcaster(m_lldb_object_sp.get(), false); + return broadcaster; +} + +lldb_private::Process * +SBProcess::operator->() const +{ + return m_lldb_object_sp.get(); +} + +size_t +SBProcess::ReadMemory (addr_t addr, void *dst, size_t dst_len, SBError &sb_error) +{ + size_t bytes_read = 0; + + if (IsValid()) + { + Error error; + bytes_read = m_lldb_object_sp->ReadMemory (addr, dst, dst_len, error); + sb_error.SetError (error); + } + else + { + sb_error.SetErrorString ("SBProcess is invalid"); + } + + return bytes_read; +} + +size_t +SBProcess::WriteMemory (addr_t addr, const void *src, size_t src_len, SBError &sb_error) +{ + size_t bytes_written = 0; + + if (IsValid()) + { + Error error; + bytes_written = m_lldb_object_sp->WriteMemory (addr, src, src_len, error); + sb_error.SetError (error); + } + + return bytes_written; +} + +// Mimic shared pointer... +lldb_private::Process * +SBProcess::get() const +{ + return m_lldb_object_sp.get(); +} + |