Split the GDBRemoteCommunication class into three classes:
GDBRemoteCommunication - The base GDB remote communication class
GDBRemoteCommunicationClient - designed to be used for clients the connect to
a remote GDB server
GDBRemoteCommunicationServer - designed to be used on the server side of a
GDB server implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@128070 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
index a2c6a69..707fe46 100644
--- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
+++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
@@ -13,18 +13,11 @@
// C Includes
// C++ Includes
// Other libraries and framework includes
-#include "llvm/ADT/Triple.h"
-#include "lldb/Interpreter/Args.h"
-#include "lldb/Core/ConnectionFileDescriptor.h"
#include "lldb/Core/Log.h"
-#include "lldb/Core/State.h"
#include "lldb/Core/StreamString.h"
-#include "lldb/Host/Host.h"
#include "lldb/Host/TimeValue.h"
// Project includes
-#include "Utility/StringExtractorGDBRemote.h"
-#include "ProcessGDBRemote.h"
#include "ProcessGDBRemoteLog.h"
using namespace lldb;
@@ -33,32 +26,13 @@
//----------------------------------------------------------------------
// GDBRemoteCommunication constructor
//----------------------------------------------------------------------
-GDBRemoteCommunication::GDBRemoteCommunication() :
- Communication("gdb-remote.packets"),
+GDBRemoteCommunication::GDBRemoteCommunication(const char *comm_name, const char *listener_name) :
+ Communication(comm_name),
m_packet_timeout (1),
- m_supports_not_sending_acks (eLazyBoolCalculate),
- m_supports_thread_suffix (eLazyBoolCalculate),
- m_supports_qHostInfo (eLazyBoolCalculate),
- m_supports_vCont_all (eLazyBoolCalculate),
- m_supports_vCont_any (eLazyBoolCalculate),
- m_supports_vCont_c (eLazyBoolCalculate),
- m_supports_vCont_C (eLazyBoolCalculate),
- m_supports_vCont_s (eLazyBoolCalculate),
- m_supports_vCont_S (eLazyBoolCalculate),
- m_rx_packet_listener ("gdbremote.rx_packet"),
+ m_rx_packet_listener (listener_name),
m_sequence_mutex (Mutex::eMutexTypeRecursive),
m_public_is_running (false),
- m_private_is_running (false),
- m_async_mutex (Mutex::eMutexTypeRecursive),
- m_async_packet_predicate (false),
- m_async_packet (),
- m_async_response (),
- m_async_signal (-1),
- m_arch(),
- m_os(),
- m_vendor(),
- m_byte_order(lldb::endian::InlHostByteOrder()),
- m_pointer_byte_size(0)
+ m_private_is_running (false)
{
m_rx_packet_listener.StartListeningForEvents(this,
Communication::eBroadcastBitPacketAvailable |
@@ -117,419 +91,6 @@
return Write (&nack_char, 1, status, NULL) == 1;
}
-bool
-GDBRemoteCommunication::GetSendAcks ()
-{
- if (m_supports_not_sending_acks == eLazyBoolCalculate)
- {
- StringExtractorGDBRemote response;
- m_supports_not_sending_acks = eLazyBoolNo;
- if (SendPacketAndWaitForResponse("QStartNoAckMode", response, false))
- {
- if (response.IsOKPacket())
- m_supports_not_sending_acks = eLazyBoolYes;
- }
- }
- return m_supports_not_sending_acks != eLazyBoolYes;
-}
-
-void
-GDBRemoteCommunication::ResetDiscoverableSettings()
-{
- m_supports_not_sending_acks = eLazyBoolCalculate;
- m_supports_thread_suffix = eLazyBoolCalculate;
- m_supports_qHostInfo = eLazyBoolCalculate;
- m_supports_vCont_c = eLazyBoolCalculate;
- m_supports_vCont_C = eLazyBoolCalculate;
- m_supports_vCont_s = eLazyBoolCalculate;
- m_supports_vCont_S = eLazyBoolCalculate;
- m_arch.Clear();
- m_os.Clear();
- m_vendor.Clear();
- m_byte_order = lldb::endian::InlHostByteOrder();
- m_pointer_byte_size = 0;
-}
-
-
-bool
-GDBRemoteCommunication::GetThreadSuffixSupported ()
-{
- if (m_supports_thread_suffix == eLazyBoolCalculate)
- {
- StringExtractorGDBRemote response;
- m_supports_thread_suffix = eLazyBoolNo;
- if (SendPacketAndWaitForResponse("QThreadSuffixSupported", response, false))
- {
- if (response.IsOKPacket())
- m_supports_thread_suffix = eLazyBoolYes;
- }
- }
- return m_supports_thread_suffix;
-}
-bool
-GDBRemoteCommunication::GetVContSupported (char flavor)
-{
- if (m_supports_vCont_c == eLazyBoolCalculate)
- {
- StringExtractorGDBRemote response;
- m_supports_vCont_any = eLazyBoolNo;
- m_supports_vCont_all = eLazyBoolNo;
- m_supports_vCont_c = eLazyBoolNo;
- m_supports_vCont_C = eLazyBoolNo;
- m_supports_vCont_s = eLazyBoolNo;
- m_supports_vCont_S = eLazyBoolNo;
- if (SendPacketAndWaitForResponse("vCont?", response, false))
- {
- const char *response_cstr = response.GetStringRef().c_str();
- if (::strstr (response_cstr, ";c"))
- m_supports_vCont_c = eLazyBoolYes;
-
- if (::strstr (response_cstr, ";C"))
- m_supports_vCont_C = eLazyBoolYes;
-
- if (::strstr (response_cstr, ";s"))
- m_supports_vCont_s = eLazyBoolYes;
-
- if (::strstr (response_cstr, ";S"))
- m_supports_vCont_S = eLazyBoolYes;
-
- if (m_supports_vCont_c == eLazyBoolYes &&
- m_supports_vCont_C == eLazyBoolYes &&
- m_supports_vCont_s == eLazyBoolYes &&
- m_supports_vCont_S == eLazyBoolYes)
- {
- m_supports_vCont_all = eLazyBoolYes;
- }
-
- if (m_supports_vCont_c == eLazyBoolYes ||
- m_supports_vCont_C == eLazyBoolYes ||
- m_supports_vCont_s == eLazyBoolYes ||
- m_supports_vCont_S == eLazyBoolYes)
- {
- m_supports_vCont_any = eLazyBoolYes;
- }
- }
- }
-
- switch (flavor)
- {
- case 'a': return m_supports_vCont_any;
- case 'A': return m_supports_vCont_all;
- case 'c': return m_supports_vCont_c;
- case 'C': return m_supports_vCont_C;
- case 's': return m_supports_vCont_s;
- case 'S': return m_supports_vCont_S;
- default: break;
- }
- return false;
-}
-
-
-size_t
-GDBRemoteCommunication::SendPacketAndWaitForResponse
-(
- const char *payload,
- StringExtractorGDBRemote &response,
- bool send_async
-)
-{
- return SendPacketAndWaitForResponse (payload,
- ::strlen (payload),
- response,
- send_async);
-}
-
-size_t
-GDBRemoteCommunication::SendPacketAndWaitForResponse
-(
- const char *payload,
- size_t payload_length,
- StringExtractorGDBRemote &response,
- bool send_async
-)
-{
- Mutex::Locker locker;
- TimeValue timeout_time;
- timeout_time = TimeValue::Now();
- timeout_time.OffsetWithSeconds (m_packet_timeout);
- LogSP log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS));
-
- if (GetSequenceMutex (locker))
- {
- if (SendPacketNoLock (payload, strlen(payload)))
- return WaitForPacketNoLock (response, &timeout_time);
- }
- else
- {
- if (send_async)
- {
- Mutex::Locker async_locker (m_async_mutex);
- m_async_packet.assign(payload, payload_length);
- m_async_packet_predicate.SetValue (true, eBroadcastNever);
-
- if (log)
- log->Printf ("async: async packet = %s", m_async_packet.c_str());
-
- bool timed_out = false;
- bool sent_interrupt = false;
- if (SendInterrupt(locker, 2, sent_interrupt, timed_out))
- {
- if (sent_interrupt)
- {
- if (log)
- log->Printf ("async: sent interrupt");
- if (m_async_packet_predicate.WaitForValueEqualTo (false, &timeout_time, &timed_out))
- {
- if (log)
- log->Printf ("async: got response");
- response = m_async_response;
- return response.GetStringRef().size();
- }
- else
- {
- if (log)
- log->Printf ("async: timed out waiting for response");
- }
-
- // Make sure we wait until the continue packet has been sent again...
- if (m_private_is_running.WaitForValueEqualTo (true, &timeout_time, &timed_out))
- {
- if (log)
- log->Printf ("async: timed out waiting for process to resume");
- }
- }
- else
- {
- // We had a racy condition where we went to send the interrupt
- // yet we were able to get the loc
- }
- }
- else
- {
- if (log)
- log->Printf ("async: failed to interrupt");
- }
- }
- else
- {
- if (log)
- log->Printf ("mutex taken and send_async == false, aborting packet");
- }
- }
- return 0;
-}
-
-//template<typename _Tp>
-//class ScopedValueChanger
-//{
-//public:
-// // Take a value reference and the value to assign it to when this class
-// // instance goes out of scope.
-// ScopedValueChanger (_Tp &value_ref, _Tp value) :
-// m_value_ref (value_ref),
-// m_value (value)
-// {
-// }
-//
-// // This object is going out of scope, change the value pointed to by
-// // m_value_ref to the value we got during construction which was stored in
-// // m_value;
-// ~ScopedValueChanger ()
-// {
-// m_value_ref = m_value;
-// }
-//protected:
-// _Tp &m_value_ref; // A reference to the value we will change when this object destructs
-// _Tp m_value; // The value to assign to m_value_ref when this goes out of scope.
-//};
-
-StateType
-GDBRemoteCommunication::SendContinuePacketAndWaitForResponse
-(
- ProcessGDBRemote *process,
- const char *payload,
- size_t packet_length,
- StringExtractorGDBRemote &response
-)
-{
- LogSP log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS));
- if (log)
- log->Printf ("GDBRemoteCommunication::%s ()", __FUNCTION__);
-
- Mutex::Locker locker(m_sequence_mutex);
- StateType state = eStateRunning;
-
- BroadcastEvent(eBroadcastBitRunPacketSent, NULL);
- m_public_is_running.SetValue (true, eBroadcastNever);
- // Set the starting continue packet into "continue_packet". This packet
- // make change if we are interrupted and we continue after an async packet...
- std::string continue_packet(payload, packet_length);
-
- while (state == eStateRunning)
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () sending continue packet: %s", __FUNCTION__, continue_packet.c_str());
- if (SendPacket(continue_packet.c_str(), continue_packet.size()) == 0)
- state = eStateInvalid;
-
- m_private_is_running.SetValue (true, eBroadcastNever);
-
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () WaitForPacket(%.*s)", __FUNCTION__);
-
- if (WaitForPacket (response, (TimeValue*)NULL))
- {
- if (response.Empty())
- state = eStateInvalid;
- else
- {
- const char stop_type = response.GetChar();
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () got packet: %s", __FUNCTION__, response.GetStringRef().c_str());
- switch (stop_type)
- {
- case 'T':
- case 'S':
- if (process->GetStopID() == 0)
- {
- if (process->GetID() == LLDB_INVALID_PROCESS_ID)
- {
- lldb::pid_t pid = GetCurrentProcessID ();
- if (pid != LLDB_INVALID_PROCESS_ID)
- process->SetID (pid);
- }
- process->BuildDynamicRegisterInfo (true);
- }
-
- // Privately notify any internal threads that we have stopped
- // in case we wanted to interrupt our process, yet we might
- // send a packet and continue without returning control to the
- // user.
- m_private_is_running.SetValue (false, eBroadcastAlways);
- if (m_async_signal != -1)
- {
- if (log)
- log->Printf ("async: send signo = %s", Host::GetSignalAsCString (m_async_signal));
-
- // Save off the async signal we are supposed to send
- const int async_signal = m_async_signal;
- // Clear the async signal member so we don't end up
- // sending the signal multiple times...
- m_async_signal = -1;
- // Check which signal we stopped with
- uint8_t signo = response.GetHexU8(255);
- if (signo == async_signal)
- {
- if (log)
- log->Printf ("async: stopped with signal %s, we are done running", Host::GetSignalAsCString (signo));
-
- // We already stopped with a signal that we wanted
- // to stop with, so we are done
- response.SetFilePos (0);
- }
- else
- {
- // We stopped with a different signal that the one
- // we wanted to stop with, so now we must resume
- // with the signal we want
- char signal_packet[32];
- int signal_packet_len = 0;
- signal_packet_len = ::snprintf (signal_packet,
- sizeof (signal_packet),
- "C%2.2x",
- async_signal);
-
- if (log)
- log->Printf ("async: stopped with signal %s, resume with %s",
- Host::GetSignalAsCString (signo),
- Host::GetSignalAsCString (async_signal));
-
- // Set the continue packet to resume...
- continue_packet.assign(signal_packet, signal_packet_len);
- continue;
- }
- }
- else if (m_async_packet_predicate.GetValue())
- {
- // We are supposed to send an asynchronous packet while
- // we are running.
- m_async_response.Clear();
- if (m_async_packet.empty())
- {
- if (log)
- log->Printf ("async: error: empty async packet");
-
- }
- else
- {
- if (log)
- log->Printf ("async: sending packet: %s",
- m_async_packet.c_str());
-
- SendPacketAndWaitForResponse (&m_async_packet[0],
- m_async_packet.size(),
- m_async_response,
- false);
- }
- // Let the other thread that was trying to send the async
- // packet know that the packet has been sent and response is
- // ready...
- m_async_packet_predicate.SetValue(false, eBroadcastAlways);
-
- // Set the continue packet to resume...
- continue_packet.assign (1, 'c');
- continue;
- }
- // Stop with signal and thread info
- state = eStateStopped;
- break;
-
- case 'W':
- case 'X':
- // process exited
- state = eStateExited;
- break;
-
- case 'O':
- // STDOUT
- {
- std::string inferior_stdout;
- inferior_stdout.reserve(response.GetBytesLeft () / 2);
- char ch;
- while ((ch = response.GetHexU8()) != '\0')
- inferior_stdout.append(1, ch);
- process->AppendSTDOUT (inferior_stdout.c_str(), inferior_stdout.size());
- }
- break;
-
- case 'E':
- // ERROR
- state = eStateInvalid;
- break;
-
- default:
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () unrecognized async packet", __FUNCTION__);
- state = eStateInvalid;
- break;
- }
- }
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () WaitForPacket(...) => false", __FUNCTION__);
- state = eStateInvalid;
- }
- }
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () => %s", __FUNCTION__, StateAsCString(state));
- response.SetFilePos(0);
- m_private_is_running.SetValue (false, eBroadcastAlways);
- m_public_is_running.SetValue (false, eBroadcastAlways);
- return state;
-}
-
size_t
GDBRemoteCommunication::SendPacket (const char *payload)
{
@@ -583,9 +144,9 @@
char
GDBRemoteCommunication::GetAck ()
{
- StringExtractorGDBRemote response;
- if (WaitForPacket (response, m_packet_timeout) == 1)
- return response.GetChar();
+ StringExtractorGDBRemote packet;
+ if (WaitForPacket (packet, m_packet_timeout) == 1)
+ return packet.GetChar();
return 0;
}
@@ -595,98 +156,6 @@
return locker.TryLock (m_sequence_mutex.GetMutex());
}
-bool
-GDBRemoteCommunication::SendAsyncSignal (int signo)
-{
- m_async_signal = signo;
- bool timed_out = false;
- bool sent_interrupt = false;
- Mutex::Locker locker;
- if (SendInterrupt (locker, 1, sent_interrupt, timed_out))
- return true;
- m_async_signal = -1;
- return false;
-}
-
-// This function takes a mutex locker as a parameter in case the GetSequenceMutex
-// actually succeeds. If it doesn't succeed in acquiring the sequence mutex
-// (the expected result), then it will send the halt packet. If it does succeed
-// then the caller that requested the interrupt will want to keep the sequence
-// locked down so that no one else can send packets while the caller has control.
-// This function usually gets called when we are running and need to stop the
-// target. It can also be used when we are running and and we need to do something
-// else (like read/write memory), so we need to interrupt the running process
-// (gdb remote protocol requires this), and do what we need to do, then resume.
-
-bool
-GDBRemoteCommunication::SendInterrupt
-(
- Mutex::Locker& locker,
- uint32_t seconds_to_wait_for_stop,
- bool &sent_interrupt,
- bool &timed_out
-)
-{
- sent_interrupt = false;
- timed_out = false;
- LogSP log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS));
-
- if (IsRunning())
- {
- // Only send an interrupt if our debugserver is running...
- if (GetSequenceMutex (locker) == false)
- {
- // Someone has the mutex locked waiting for a response or for the
- // inferior to stop, so send the interrupt on the down low...
- char ctrl_c = '\x03';
- ConnectionStatus status = eConnectionStatusSuccess;
- TimeValue timeout;
- if (seconds_to_wait_for_stop)
- {
- timeout = TimeValue::Now();
- timeout.OffsetWithSeconds (seconds_to_wait_for_stop);
- }
- size_t bytes_written = Write (&ctrl_c, 1, status, NULL);
- ProcessGDBRemoteLog::LogIf (GDBR_LOG_PACKETS | GDBR_LOG_PROCESS, "send packet: \\x03");
- if (bytes_written > 0)
- {
- sent_interrupt = true;
- if (seconds_to_wait_for_stop)
- {
- if (m_private_is_running.WaitForValueEqualTo (false, &timeout, &timed_out))
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () - sent interrupt, private state stopped", __FUNCTION__);
- return true;
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () - sent interrupt, timed out wating for async thread resume", __FUNCTION__);
- }
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () - sent interrupt, not waiting for stop...", __FUNCTION__);
- return true;
- }
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () - failed to write interrupt", __FUNCTION__);
- }
- return false;
- }
- else
- {
- if (log)
- log->Printf ("GDBRemoteCommunication::%s () - got sequence mutex without having to interrupt", __FUNCTION__);
- }
- }
- return true;
-}
bool
GDBRemoteCommunication::WaitForNotRunningPrivate (const TimeValue *timeout_ptr)
@@ -695,27 +164,27 @@
}
size_t
-GDBRemoteCommunication::WaitForPacket (StringExtractorGDBRemote &response, uint32_t timeout_seconds)
+GDBRemoteCommunication::WaitForPacket (StringExtractorGDBRemote &packet, uint32_t timeout_seconds)
{
Mutex::Locker locker(m_sequence_mutex);
TimeValue timeout_time;
timeout_time = TimeValue::Now();
timeout_time.OffsetWithSeconds (timeout_seconds);
- return WaitForPacketNoLock (response, &timeout_time);
+ return WaitForPacketNoLock (packet, &timeout_time);
}
size_t
-GDBRemoteCommunication::WaitForPacket (StringExtractorGDBRemote &response, const TimeValue* timeout_time_ptr)
+GDBRemoteCommunication::WaitForPacket (StringExtractorGDBRemote &packet, const TimeValue* timeout_time_ptr)
{
Mutex::Locker locker(m_sequence_mutex);
- return WaitForPacketNoLock (response, timeout_time_ptr);
+ return WaitForPacketNoLock (packet, timeout_time_ptr);
}
size_t
-GDBRemoteCommunication::WaitForPacketNoLock (StringExtractorGDBRemote &response, const TimeValue* timeout_time_ptr)
+GDBRemoteCommunication::WaitForPacketNoLock (StringExtractorGDBRemote &packet, const TimeValue* timeout_time_ptr)
{
bool checksum_error = false;
- response.Clear ();
+ packet.Clear ();
EventSP event_sp;
@@ -734,7 +203,7 @@
const size_t packet_size = event_bytes->GetByteSize();
if (packet_data && packet_size > 0)
{
- std::string &response_str = response.GetStringRef();
+ std::string &packet_str = packet.GetStringRef();
if (packet_data[0] == '$')
{
bool success = false;
@@ -748,11 +217,11 @@
success = true;
if (success)
- response_str.assign (packet_data + 1, packet_size - 4);
+ packet_str.assign (packet_data + 1, packet_size - 4);
if (GetSendAcks ())
{
char packet_checksum = strtol (&packet_data[packet_size-2], NULL, 16);
- char actual_checksum = CalculcateChecksum (&response_str[0], response_str.size());
+ char actual_checksum = CalculcateChecksum (&packet_str[0], packet_str.size());
checksum_error = packet_checksum != actual_checksum;
// Send the ack or nack if needed
if (checksum_error || !success)
@@ -763,9 +232,9 @@
}
else
{
- response_str.assign (packet_data, packet_size);
+ packet_str.assign (packet_data, packet_size);
}
- return response_str.size();
+ return packet_str.size();
}
}
}
@@ -845,353 +314,3 @@
}
}
-lldb::pid_t
-GDBRemoteCommunication::GetCurrentProcessID ()
-{
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse("qC", strlen("qC"), response, false))
- {
- if (response.GetChar() == 'Q')
- if (response.GetChar() == 'C')
- return response.GetHexMaxU32 (false, LLDB_INVALID_PROCESS_ID);
- }
- return LLDB_INVALID_PROCESS_ID;
-}
-
-bool
-GDBRemoteCommunication::GetLaunchSuccess (std::string &error_str)
-{
- error_str.clear();
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse("qLaunchSuccess", strlen("qLaunchSuccess"), response, false))
- {
- if (response.IsOKPacket())
- return true;
- if (response.GetChar() == 'E')
- {
- // A string the describes what failed when launching...
- error_str = response.GetStringRef().substr(1);
- }
- else
- {
- error_str.assign ("unknown error occurred launching process");
- }
- }
- else
- {
- error_str.assign ("failed to send the qLaunchSuccess packet");
- }
- return false;
-}
-
-int
-GDBRemoteCommunication::SendArgumentsPacket (char const *argv[])
-{
- if (argv && argv[0])
- {
- StreamString packet;
- packet.PutChar('A');
- const char *arg;
- for (uint32_t i = 0; (arg = argv[i]) != NULL; ++i)
- {
- const int arg_len = strlen(arg);
- if (i > 0)
- packet.PutChar(',');
- packet.Printf("%i,%i,", arg_len * 2, i);
- packet.PutBytesAsRawHex8 (arg, arg_len);
- }
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- }
- return -1;
-}
-
-int
-GDBRemoteCommunication::SendEnvironmentPacket (char const *name_equal_value)
-{
- if (name_equal_value && name_equal_value[0])
- {
- StreamString packet;
- packet.Printf("QEnvironment:%s", name_equal_value);
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- }
- return -1;
-}
-
-bool
-GDBRemoteCommunication::GetHostInfo ()
-{
- if (m_supports_qHostInfo == eLazyBoolCalculate)
- {
- m_supports_qHostInfo = eLazyBoolNo;
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse ("qHostInfo", response, false))
- {
- if (response.IsUnsupportedPacket())
- return false;
-
- m_supports_qHostInfo = eLazyBoolYes;
-
- std::string name;
- std::string value;
- uint32_t cpu = LLDB_INVALID_CPUTYPE;
- uint32_t sub = 0;
-
- while (response.GetNameColonValue(name, value))
- {
- if (name.compare("cputype") == 0)
- {
- // exception type in big endian hex
- cpu = Args::StringToUInt32 (value.c_str(), LLDB_INVALID_CPUTYPE, 0);
- }
- else if (name.compare("cpusubtype") == 0)
- {
- // exception count in big endian hex
- sub = Args::StringToUInt32 (value.c_str(), 0, 0);
- }
- else if (name.compare("ostype") == 0)
- {
- // exception data in big endian hex
- m_os.SetCString(value.c_str());
- }
- else if (name.compare("vendor") == 0)
- {
- m_vendor.SetCString(value.c_str());
- }
- else if (name.compare("endian") == 0)
- {
- if (value.compare("little") == 0)
- m_byte_order = eByteOrderLittle;
- else if (value.compare("big") == 0)
- m_byte_order = eByteOrderBig;
- else if (value.compare("pdp") == 0)
- m_byte_order = eByteOrderPDP;
- }
- else if (name.compare("ptrsize") == 0)
- {
- m_pointer_byte_size = Args::StringToUInt32 (value.c_str(), 0, 0);
- }
- }
-
- if (cpu != LLDB_INVALID_CPUTYPE)
- m_arch.SetArchitecture (lldb::eArchTypeMachO, cpu, sub);
- }
- }
- return m_supports_qHostInfo == eLazyBoolYes;
-}
-
-int
-GDBRemoteCommunication::SendAttach
-(
- lldb::pid_t pid,
- StringExtractorGDBRemote& response
-)
-{
- if (pid != LLDB_INVALID_PROCESS_ID)
- {
- StreamString packet;
- packet.Printf("vAttach;%x", pid);
-
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsErrorPacket())
- return response.GetError();
- return 0;
- }
- }
- return -1;
-}
-
-const lldb_private::ArchSpec &
-GDBRemoteCommunication::GetHostArchitecture ()
-{
- if (!HostInfoIsValid ())
- GetHostInfo ();
- return m_arch;
-}
-
-const lldb_private::ConstString &
-GDBRemoteCommunication::GetOSString ()
-{
- if (!HostInfoIsValid ())
- GetHostInfo ();
- return m_os;
-}
-
-const lldb_private::ConstString &
-GDBRemoteCommunication::GetVendorString()
-{
- if (!HostInfoIsValid ())
- GetHostInfo ();
- return m_vendor;
-}
-
-lldb::ByteOrder
-GDBRemoteCommunication::GetByteOrder ()
-{
- if (!HostInfoIsValid ())
- GetHostInfo ();
- return m_byte_order;
-}
-
-uint32_t
-GDBRemoteCommunication::GetAddressByteSize ()
-{
- if (!HostInfoIsValid ())
- GetHostInfo ();
- return m_pointer_byte_size;
-}
-
-addr_t
-GDBRemoteCommunication::AllocateMemory (size_t size, uint32_t permissions)
-{
- char packet[64];
- ::snprintf (packet, sizeof(packet), "_M%zx,%s%s%s", size,
- permissions & lldb::ePermissionsReadable ? "r" : "",
- permissions & lldb::ePermissionsWritable ? "w" : "",
- permissions & lldb::ePermissionsExecutable ? "x" : "");
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet, response, false))
- {
- if (!response.IsErrorPacket())
- return response.GetHexMaxU64(false, LLDB_INVALID_ADDRESS);
- }
- return LLDB_INVALID_ADDRESS;
-}
-
-bool
-GDBRemoteCommunication::DeallocateMemory (addr_t addr)
-{
- char packet[64];
- snprintf(packet, sizeof(packet), "_m%llx", (uint64_t)addr);
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet, response, false))
- {
- if (response.IsOKPacket())
- return true;
- }
- return false;
-}
-
-int
-GDBRemoteCommunication::SetSTDIN (char const *path)
-{
- if (path && path[0])
- {
- StreamString packet;
- packet.PutCString("QSetSTDIN:");
- packet.PutBytesAsRawHex8(path, strlen(path));
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- }
- return -1;
-}
-
-int
-GDBRemoteCommunication::SetSTDOUT (char const *path)
-{
- if (path && path[0])
- {
- StreamString packet;
- packet.PutCString("QSetSTDOUT:");
- packet.PutBytesAsRawHex8(path, strlen(path));
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- }
- return -1;
-}
-
-int
-GDBRemoteCommunication::SetSTDERR (char const *path)
-{
- if (path && path[0])
- {
- StreamString packet;
- packet.PutCString("QSetSTDERR:");
- packet.PutBytesAsRawHex8(path, strlen(path));
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- }
- return -1;
-}
-
-int
-GDBRemoteCommunication::SetWorkingDir (char const *path)
-{
- if (path && path[0])
- {
- StreamString packet;
- packet.PutCString("QSetWorkingDir:");
- packet.PutBytesAsRawHex8(path, strlen(path));
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- }
- return -1;
-}
-
-int
-GDBRemoteCommunication::SetDisableASLR (bool enable)
-{
- StreamString packet;
- packet.Printf("QSetDisableASLR:%i", enable ? 1 : 0);
-
- StringExtractorGDBRemote response;
- if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
- {
- if (response.IsOKPacket())
- return 0;
- uint8_t error = response.GetError();
- if (error)
- return error;
- }
- return -1;
-}