Prevent ProcessGDBRemote from launching local debug server in case of remote debug server connection failure.
http://reviews.llvm.org/D14895
llvm-svn: 253906
diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index 50e6571..c2ab830 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -989,12 +989,7 @@
ObjectFile * object_file = exe_module->GetObjectFile();
if (object_file)
{
- // Make sure we aren't already connected?
- if (!m_gdb_comm.IsConnected())
- {
- error = LaunchAndConnectToDebugserver (launch_info);
- }
-
+ error = EstablishConnectionIfNeeded (launch_info);
if (error.Success())
{
lldb_utility::PseudoTerminal pty;
@@ -1374,21 +1369,7 @@
Clear();
if (attach_pid != LLDB_INVALID_PROCESS_ID)
{
- // Make sure we aren't already connected?
- if (!m_gdb_comm.IsConnected())
- {
- error = LaunchAndConnectToDebugserver (attach_info);
-
- if (error.Fail())
- {
- const char *error_string = error.AsCString();
- if (error_string == NULL)
- error_string = "unable to launch " DEBUGSERVER_BASENAME;
-
- SetExitStatus (-1, error_string);
- }
- }
-
+ error = EstablishConnectionIfNeeded (attach_info);
if (error.Success())
{
m_gdb_comm.SetDetachOnError(attach_info.GetDetachOnError());
@@ -1398,6 +1379,8 @@
SetID (attach_pid);
m_async_broadcaster.BroadcastEvent (eBroadcastBitAsyncContinue, new EventDataBytes (packet, packet_len));
}
+ else
+ SetExitStatus (-1, error.AsCString());
}
return error;
@@ -1412,21 +1395,7 @@
if (process_name && process_name[0])
{
- // Make sure we aren't already connected?
- if (!m_gdb_comm.IsConnected())
- {
- error = LaunchAndConnectToDebugserver (attach_info);
-
- if (error.Fail())
- {
- const char *error_string = error.AsCString();
- if (error_string == NULL)
- error_string = "unable to launch " DEBUGSERVER_BASENAME;
-
- SetExitStatus (-1, error_string);
- }
- }
-
+ error = EstablishConnectionIfNeeded (attach_info);
if (error.Success())
{
StreamString packet;
@@ -1455,6 +1424,8 @@
m_async_broadcaster.BroadcastEvent (eBroadcastBitAsyncContinue, new EventDataBytes (packet.GetData(), packet.GetSize()));
}
+ else
+ SetExitStatus (-1, error.AsCString());
}
return error;
}
@@ -3542,6 +3513,27 @@
}
Error
+ProcessGDBRemote::EstablishConnectionIfNeeded (const ProcessInfo &process_info)
+{
+ // Make sure we aren't already connected?
+ if (m_gdb_comm.IsConnected())
+ return Error();
+
+ PlatformSP platform_sp (GetTarget ().GetPlatform ());
+ if (platform_sp && !platform_sp->IsHost ())
+ return Error("Lost debug server connection");
+
+ auto error = LaunchAndConnectToDebugserver (process_info);
+ if (error.Fail())
+ {
+ const char *error_string = error.AsCString();
+ if (error_string == nullptr)
+ error_string = "unable to launch " DEBUGSERVER_BASENAME;
+ }
+ return error;
+}
+
+Error
ProcessGDBRemote::LaunchAndConnectToDebugserver (const ProcessInfo &process_info)
{
Error error;
diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
index 39d4421..12094e7 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
@@ -354,6 +354,9 @@
ThreadList &new_thread_list) override;
Error
+ EstablishConnectionIfNeeded (const ProcessInfo &process_info);
+
+ Error
LaunchAndConnectToDebugserver (const ProcessInfo &process_info);
void