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d314e810a7
teak-llvm/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
Greg Clayton d314e810a7 Added new platform commands: 
platform connect <args>
platform disconnect

Each platform can decide the args they want to use for "platform connect". I 
will need to add a function that gets the connect options for the current
platform as each one can have different options and argument counts.

Hooked up more functionality in the PlatformMacOSX and PlatformRemoteiOS.
Also started an platform agnostic PlatformRemoteGDBServer.cpp which can end
up being used by one or more actual platforms. It can also be specialized and
allow for platform specific commands.

llvm-svn: 128123
2011-03-23 00:09:55 +00:00

936 lines
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//===-- GDBRemoteCommunicationClient.cpp ------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "GDBRemoteCommunicationClient.h"
// 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/Endian.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;
using namespace lldb_private;
//----------------------------------------------------------------------
// GDBRemoteCommunicationClient constructor
//----------------------------------------------------------------------
GDBRemoteCommunicationClient::GDBRemoteCommunicationClient() :
GDBRemoteCommunication("gdb-remote.client", "gdb-remote.client.rx_packet"),
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_async_mutex (Mutex::eMutexTypeRecursive),
m_async_packet_predicate (false),
m_async_packet (),
m_async_response (),
m_async_signal (-1),
m_host_arch()
{
m_rx_packet_listener.StartListeningForEvents(this,
Communication::eBroadcastBitPacketAvailable |
Communication::eBroadcastBitReadThreadDidExit);
}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
GDBRemoteCommunicationClient::~GDBRemoteCommunicationClient()
{
m_rx_packet_listener.StopListeningForEvents(this,
Communication::eBroadcastBitPacketAvailable |
Communication::eBroadcastBitReadThreadDidExit);
if (IsConnected())
{
StopReadThread();
Disconnect();
}
}
bool
GDBRemoteCommunicationClient::GetSendAcks ()
{
if (m_supports_not_sending_acks == eLazyBoolCalculate)
{
StringExtractorGDBRemote response;
m_supports_not_sending_acks = eLazyBoolNo;
if (SendPacketAndWaitForResponse("QStartNoAckMode", response, false))
{
if (response.IsOKResponse())
m_supports_not_sending_acks = eLazyBoolYes;
}
}
return m_supports_not_sending_acks != eLazyBoolYes;
}
void
GDBRemoteCommunicationClient::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_host_arch.Clear();
}
bool
GDBRemoteCommunicationClient::GetThreadSuffixSupported ()
{
if (m_supports_thread_suffix == eLazyBoolCalculate)
{
StringExtractorGDBRemote response;
m_supports_thread_suffix = eLazyBoolNo;
if (SendPacketAndWaitForResponse("QThreadSuffixSupported", response, false))
{
if (response.IsOKResponse())
m_supports_thread_suffix = eLazyBoolYes;
}
}
return m_supports_thread_suffix;
}
bool
GDBRemoteCommunicationClient::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
GDBRemoteCommunicationClient::SendPacketAndWaitForResponse
(
const char *payload,
StringExtractorGDBRemote &response,
bool send_async
)
{
return SendPacketAndWaitForResponse (payload,
::strlen (payload),
response,
send_async);
}
size_t
GDBRemoteCommunicationClient::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
GDBRemoteCommunicationClient::SendContinuePacketAndWaitForResponse
(
ProcessGDBRemote *process,
const char *payload,
size_t packet_length,
StringExtractorGDBRemote &response
)
{
LogSP log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS));
if (log)
log->Printf ("GDBRemoteCommunicationClient::%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 ("GDBRemoteCommunicationClient::%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 ("GDBRemoteCommunicationClient::%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 ("GDBRemoteCommunicationClient::%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 ("GDBRemoteCommunicationClient::%s () unrecognized async packet", __FUNCTION__);
state = eStateInvalid;
break;
}
}
}
else
{
if (log)
log->Printf ("GDBRemoteCommunicationClient::%s () WaitForPacket(...) => false", __FUNCTION__);
state = eStateInvalid;
}
}
if (log)
log->Printf ("GDBRemoteCommunicationClient::%s () => %s", __FUNCTION__, StateAsCString(state));
response.SetFilePos(0);
m_private_is_running.SetValue (false, eBroadcastAlways);
m_public_is_running.SetValue (false, eBroadcastAlways);
return state;
}
bool
GDBRemoteCommunicationClient::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
GDBRemoteCommunicationClient::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 ("GDBRemoteCommunicationClient::%s () - sent interrupt, private state stopped", __FUNCTION__);
return true;
}
else
{
if (log)
log->Printf ("GDBRemoteCommunicationClient::%s () - sent interrupt, timed out wating for async thread resume", __FUNCTION__);
}
}
else
{
if (log)
log->Printf ("GDBRemoteCommunicationClient::%s () - sent interrupt, not waiting for stop...", __FUNCTION__);
return true;
}
}
else
{
if (log)
log->Printf ("GDBRemoteCommunicationClient::%s () - failed to write interrupt", __FUNCTION__);
}
return false;
}
else
{
if (log)
log->Printf ("GDBRemoteCommunicationClient::%s () - got sequence mutex without having to interrupt", __FUNCTION__);
}
}
return true;
}
lldb::pid_t
GDBRemoteCommunicationClient::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
GDBRemoteCommunicationClient::GetLaunchSuccess (std::string &error_str)
{
error_str.clear();
StringExtractorGDBRemote response;
if (SendPacketAndWaitForResponse("qLaunchSuccess", strlen("qLaunchSuccess"), response, false))
{
if (response.IsOKResponse())
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
GDBRemoteCommunicationClient::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.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
}
return -1;
}
int
GDBRemoteCommunicationClient::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.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
}
return -1;
}
bool
GDBRemoteCommunicationClient::GetHostInfo ()
{
if (m_supports_qHostInfo == eLazyBoolCalculate)
{
m_supports_qHostInfo = eLazyBoolNo;
StringExtractorGDBRemote response;
if (SendPacketAndWaitForResponse ("qHostInfo", response, false))
{
if (response.IsUnsupportedResponse())
return false;
m_supports_qHostInfo = eLazyBoolYes;
std::string name;
std::string value;
uint32_t cpu = LLDB_INVALID_CPUTYPE;
uint32_t sub = 0;
std::string arch_name;
std::string os_name;
std::string vendor_name;
uint32_t pointer_byte_size = 0;
ByteOrder byte_order = eByteOrderInvalid;
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("arch") == 0)
{
arch_name.swap (value);
}
else if (name.compare("ostype") == 0)
{
os_name.swap (value);
}
else if (name.compare("vendor") == 0)
{
vendor_name.swap(value);
}
else if (name.compare("endian") == 0)
{
if (value.compare("little") == 0)
byte_order = eByteOrderLittle;
else if (value.compare("big") == 0)
byte_order = eByteOrderBig;
else if (value.compare("pdp") == 0)
byte_order = eByteOrderPDP;
}
else if (name.compare("ptrsize") == 0)
{
pointer_byte_size = Args::StringToUInt32 (value.c_str(), 0, 0);
}
}
if (arch_name.empty())
{
if (cpu != LLDB_INVALID_CPUTYPE)
{
m_host_arch.SetArchitecture (lldb::eArchTypeMachO, cpu, sub);
if (pointer_byte_size)
{
assert (pointer_byte_size == m_host_arch.GetAddressByteSize());
}
if (byte_order != eByteOrderInvalid)
{
assert (byte_order == m_host_arch.GetByteOrder());
}
if (!vendor_name.empty())
m_host_arch.GetTriple().setVendorName (llvm::StringRef (vendor_name));
if (!os_name.empty())
m_host_arch.GetTriple().setVendorName (llvm::StringRef (os_name));
}
}
else
{
std::string triple;
triple += arch_name;
triple += '-';
if (vendor_name.empty())
triple += "unknown";
else
triple += vendor_name;
triple += '-';
if (os_name.empty())
triple += "unknown";
else
triple += os_name;
m_host_arch.SetTriple (triple.c_str());
}
}
}
return m_supports_qHostInfo == eLazyBoolYes;
}
int
GDBRemoteCommunicationClient::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.IsErrorResponse())
return response.GetError();
return 0;
}
}
return -1;
}
const lldb_private::ArchSpec &
GDBRemoteCommunicationClient::GetHostArchitecture ()
{
if (m_supports_qHostInfo == lldb::eLazyBoolCalculate)
GetHostInfo ();
return m_host_arch;
}
addr_t
GDBRemoteCommunicationClient::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.IsErrorResponse())
return response.GetHexMaxU64(false, LLDB_INVALID_ADDRESS);
}
return LLDB_INVALID_ADDRESS;
}
bool
GDBRemoteCommunicationClient::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.IsOKResponse())
return true;
}
return false;
}
int
GDBRemoteCommunicationClient::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.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
}
return -1;
}
int
GDBRemoteCommunicationClient::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.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
}
return -1;
}
int
GDBRemoteCommunicationClient::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.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
}
return -1;
}
int
GDBRemoteCommunicationClient::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.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
}
return -1;
}
int
GDBRemoteCommunicationClient::SetDisableASLR (bool enable)
{
StreamString packet;
packet.Printf("QSetDisableASLR:%i", enable ? 1 : 0);
StringExtractorGDBRemote response;
if (SendPacketAndWaitForResponse (packet.GetData(), packet.GetSize(), response, false))
{
if (response.IsOKResponse())
return 0;
uint8_t error = response.GetError();
if (error)
return error;
}
return -1;
}
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