blob: 776939c9ea607a0ec7a36a57d56101a135975ed9 [file] [log] [blame]
//===-- 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();
}