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Added "process plugin packet send" and "process plugin packet history" for GDB remote. "process plugin packet send" will send a packet and receive a response. "process plugin packet history" will dump the packet history buffer.

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llvm-svn: 165991
This commit is contained in:
Greg Clayton 2012-10-15 22:42:16 +00:00
parent f67bf3e0ea
commit 02686b80fa
1 changed files with 106 additions and 8 deletions
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114
lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
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@ -40,6 +40,8 @@
#include "lldb/Core/Value.h"
#include "lldb/Host/Symbols.h"
#include "lldb/Host/TimeValue.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Target/DynamicLoader.h"
#include "lldb/Target/Target.h"
@ -3017,31 +3019,129 @@ ProcessGDBRemote::GetDynamicLoader ()
#include "lldb/Interpreter/CommandObject.h"
#include "lldb/Interpreter/CommandObjectMultiword.h"
class CommandObjectProcessGDBRemotePacket : public CommandObjectParsed
class CommandObjectProcessGDBRemotePacketHistory : public CommandObjectParsed
{
private:
public:
CommandObjectProcessGDBRemotePacket(CommandInterpreter &interpreter) :
CommandObjectProcessGDBRemotePacketHistory(CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"process plugin packet",
"Send a custom packet through the GDB remote protocol and print the answer.",
"process plugin packet history",
"Dumps the packet history buffer. ",
NULL)
{
}
~CommandObjectProcessGDBRemotePacket ()
~CommandObjectProcessGDBRemotePacketHistory ()
{
}
bool
DoExecute (Args& command, CommandReturnObject &result)
{
printf ("CommandObjectProcessGDBRemotePacket::DoExecute() called!!!\n");
const size_t argc = command.GetArgumentCount();
if (argc == 0)
{
ProcessGDBRemote *process = (ProcessGDBRemote *)m_interpreter.GetExecutionContext().GetProcessPtr();
if (process)
{
process->GetGDBRemote().DumpHistory(result.GetOutputStream());
result.SetStatus (eReturnStatusSuccessFinishResult);
return true;
}
}
else
{
result.AppendErrorWithFormat ("'%s' takes no arguments", m_cmd_name.c_str());
}
result.SetStatus (eReturnStatusFailed);
return false;
}
};
class CommandObjectProcessGDBRemotePacketSend : public CommandObjectParsed
{
private:
public:
CommandObjectProcessGDBRemotePacketSend(CommandInterpreter &interpreter) :
CommandObjectParsed (interpreter,
"process plugin packet send",
"Send a custom packet through the GDB remote protocol and print the answer. "
"The packet header and footer will automatically be added to the packet prior to sending and stripped from the result.",
NULL)
{
}
~CommandObjectProcessGDBRemotePacketSend ()
{
}
bool
DoExecute (Args& command, CommandReturnObject &result)
{
const size_t argc = command.GetArgumentCount();
if (argc == 0)
{
result.AppendErrorWithFormat ("'%s' takes a one or more packet content arguments", m_cmd_name.c_str());
result.SetStatus (eReturnStatusFailed);
return false;
}
ProcessGDBRemote *process = (ProcessGDBRemote *)m_interpreter.GetExecutionContext().GetProcessPtr();
if (process)
{
const StateType state = process->GetState();
if (StateIsStoppedState (state, true))
{
for (size_t i=0; i<argc; ++ i)
{
const char *packet_cstr = command.GetArgumentAtIndex(0);
bool send_async = false;
StringExtractorGDBRemote response;
process->GetGDBRemote().SendPacketAndWaitForResponse(packet_cstr, response, send_async);
result.SetStatus (eReturnStatusSuccessFinishResult);
Stream &output_strm = result.GetOutputStream();
output_strm.Printf (" packet: %s\n", packet_cstr);
const std::string &response_str = response.GetStringRef();
if (response_str.empty())
output_strm.PutCString ("response: \nerror: UNIMPLEMENTED\n");
else
output_strm.Printf ("response: %s\n", response.GetStringRef().c_str());
}
}
else
{
result.AppendErrorWithFormat ("process must be stopped in order to send GDB remote packets, state is %s", StateAsCString (state));
result.SetStatus (eReturnStatusFailed);
return false;
}
}
return true;
}
};
class CommandObjectProcessGDBRemotePacket : public CommandObjectMultiword
{
private:
public:
CommandObjectProcessGDBRemotePacket(CommandInterpreter &interpreter) :
CommandObjectMultiword (interpreter,
"process plugin packet",
"Commands that deal with GDB remote packets.",
NULL)
{
LoadSubCommand ("history", CommandObjectSP (new CommandObjectProcessGDBRemotePacketHistory (interpreter)));
LoadSubCommand ("send", CommandObjectSP (new CommandObjectProcessGDBRemotePacketSend (interpreter)));
}
~CommandObjectProcessGDBRemotePacket ()
{
}
};
class CommandObjectMultiwordProcessGDBRemote : public CommandObjectMultiword
{
@ -3060,8 +3160,6 @@ public:
}
};
CommandObject *
ProcessGDBRemote::GetPluginCommandObject()
{