/// <summary>
/// Code to set the breakpoint in GDB and then confirm and set in Visual Studio
/// </summary>
/// <param name="command">Initial command to set the breakpoint in GDB</param>
/// <param name="GDB_ID">Breakpoint ID in GDB</param>
/// <param name="GDB_line">Breakpoint Line Number</param>
/// <param name="GDB_filename">Breakpoint File Name</param>
/// <param name="GDB_address">Breakpoint Address</param>
/// <returns>true if successful.</returns>
private bool setBreakpointImpl(string command1, string command2, out uint GDB_ID, out uint GDB_line, out string GDB_filename, out string GDB_address)
{
string response;
string bpointAddress;
string bpointStopPoint;
GDB_ID = 0;
GDB_filename = "";
GDB_address = "";
GDB_line = 0;
if (VSNDK.AddIn.VSNDKAddIn.isDebugEngineRunning == true)
{
prepareToModifyBreakpoint();
response = GDBParser.parseCommand(command1, 6);
if ((response.Contains("<PENDING>")) && (command2 != ""))
response = GDBParser.parseCommand(command2, 6);
if ((response.Length < 2) && (VSNDK.AddIn.VSNDKAddIn.isDebugEngineRunning == false))
{
return false;
}
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
GDB_ID = (uint)hBreakpoints.number;
GDB_filename = hBreakpoints.FileName;
GDB_address = hBreakpoints.Address;
if ((GDB_address != "<PENDING>") && (GDB_address != ""))
{ //** Run Code to verify breakpoint stop point.
bpointAddress = GDBParser.parseCommand("info b " + GDB_ID.ToString(), 18);
bpointStopPoint = GDBParser.parseCommand("info line *" + bpointAddress, 18);
GDB_line = (uint)Convert.ToInt64(bpointStopPoint.Trim());
}
else
{
GDB_address = "0x0";
GDB_line = (uint)hBreakpoints.linePos;
}
resumeFromInterrupt();
return true;
}
else
return false;
}
public void processingGDBOutput()
{
// string verify = "";
while (_running)
{
string response = "";
while ((response = GDBParser.removeGDBResponse()) == "" && _running)
{
};
response = response.Replace("\r\n", "@"); // creating a char delimiter that will be used to split the response in more than one event
string[] events = response.Split('@');
foreach (string ev in events)
{
// verify += ev;
if (ev.Length > 1) // only to avoid empty events, in case there are two delimiters together.
{
if (m_eventDispatcher.countSIGINT > 0)
if ((ev.Substring(0, 2) != "50") && (ev.Substring(0, 2) != "80"))
m_eventDispatcher.countSIGINT = 0;
switch (ev[0])
{
case '0': // events related to starting GDB
break;
case '1': // not used.
break;
case '2': // events related to breakpoints (including breakpoint hits)
m_hBreakpoints = new HandleBreakpoints(m_eventDispatcher);
m_hBreakpoints.handle(ev);
break;
case '3': // not used.
break;
case '4': // events related to execution control (processes, threads, programs) 1
m_hProcExe = new HandleProcessExecution(m_eventDispatcher);
m_hProcExe.handle(ev);
break;
case '5': // events related to execution control (processes, threads, programs and GDB Bugs) 2
m_hProcExe = new HandleProcessExecution(m_eventDispatcher);
m_hProcExe.handle(ev);
break;
case '6': // events related to evaluating expressions
break;
case '7': // events related to stack frames.
break;
case '8': // events related to output
m_hOutputs = new HandleOutputs(m_eventDispatcher);
m_hOutputs.handle(ev);
break;
case '9': // not used.
break;
default: // event not parsed correctly, or not implemented completely.
break;
}
}
}
}
}
// Ignore "ignore" hit counts
public bool ignoreHitCount(uint GDB_ID, int ignore)
{
ignore -= 1;
if (ignore < 0)
{
ignore = int.MaxValue; // had to ignore the biggest number of times to keep the breakpoint enabled and to avoid stopping on it.
}
string cmd = @"-break-after " + GDB_ID + " " + ignore;
string response = GDBParser.parseCommand(cmd, 18);
if (response == "")
return false;
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
return true;
}
/* // Break only when hit count is equal to "count"
public bool setBreakWhenHitCountEqual(ref uint GDB_ID, uint counts, string filename, uint line)
{
// remove breakpoint GDB_ID and insert a temporary new one.
deleteBreakpoint(GDB_ID);
string cmd = @"-break-insert --thread-group i1 -t -f " + filename + ":" + line;
string response = GDBParser.parseCommand(cmd, 20);
if (response == "")
return false;
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
GDB_ID = (uint)hBreakpoints.number;
ignoreHitCount(GDB_ID, counts);
return true;
}*/
// Set breakpoint condition
public bool setBreakpointCondition(uint GDB_ID, string condition)
{
string cmd;
if (condition != "")
cmd = @"-break-condition " + GDB_ID + " " + condition;
else
cmd = @"-break-condition " + GDB_ID;
string response = GDBParser.parseCommand(cmd, 19);
if (response == "")
return false;
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
return true;
}
/* // Set watchpoint condition, i.e., stops when condition changes
public bool setWatchpointCondition(ref uint GDB_ID, string condition)
{
if (condition != "")
{
// remove breakpoint GDB_ID and insert this new one... See the steps for creating a breakpoint.
deleteBreakpoint(GDB_ID);
string cmd = @"-break-watch " + condition;
string response = GDBParser.parseCommand(cmd, 21);
if (response == "")
return false;
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
}
return true;
}
*/
public bool deleteBreakpoint(uint GDB_ID)
{
if (m_gdbOutput._running)
{
prepareToModifyBreakpoint();
string response = GDBParser.parseCommand(@"-break-delete " + GDB_ID, 7);
if (response == null || response == "")
{
resumeFromInterrupt();
return false;
}
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
uint retID = (uint)hBreakpoints.number;
if (GDB_ID != retID)
{
resumeFromInterrupt();
return false;
}
resumeFromInterrupt();
}
return true;
}
// Enable or disable a breakpoint
public bool enableBreakpoint(uint GDB_ID, bool fEnable)
{
prepareToModifyBreakpoint();
string inputCommand;
string sEnable = "enable";
if (!fEnable)
{
sEnable = "disable";
}
inputCommand = @"-break-" + sEnable + " " + GDB_ID;
string response = GDBParser.parseCommand(inputCommand, 8);
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
uint retID = (uint)hBreakpoints.number;
if (GDB_ID != retID)
{
resumeFromInterrupt();
return false;
}
resumeFromInterrupt();
return true;
}
/// <summary>
/// Code to set the breakpoint in GDB and then confirm and set in Visual Studio
/// </summary>
/// <param name="command"> Initial command to set the breakpoint in GDB, with the entire path when setting
/// a breakpoint in a given line number. </param>
/// <param name="command2"> Initial command to set the breakpoint in GDB, with only the file name when setting
/// a breakpoint in a given line number, or "" when setting a breakpoint in a function. </param>
/// <param name="GDB_ID"> Returns the breakpoint ID in GDB. </param>
/// <param name="GDB_line"> Returns the breakpoint Line Number. </param>
/// <param name="GDB_filename"> Returns the breakpoint File Name. </param>
/// <param name="GDB_address"> Returns the Breakpoint Address. </param>
/// <returns> If successful, returns true; otherwise, returns false. </returns>
private bool setBreakpointImpl(string command, string command2, out uint GDB_ID, out uint GDB_line, out string GDB_filename, out string GDB_address)
{
string response;
string bpointAddress;
string bpointStopPoint;
GDB_ID = 0;
GDB_filename = "";
GDB_address = "";
GDB_line = 0;
if (VSNDK.Package.ControlDebugEngine.isDebugEngineRunning == true)
{
prepareToModifyBreakpoint();
// Gets the parsed response for the GDB/MI command that inserts breakpoint in a given line or a given function.
// (http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Breakpoint-Commands.html)
response = GDBParser.parseCommand(command, 6);
if ((command2 != "") && ((response.Contains("<PENDING>"))))
{
response = GDBParser.parseCommand(command2, 6);
}
if (((response.Length < 2) && (VSNDK.Package.ControlDebugEngine.isDebugEngineRunning == false)) || (response == "Function not found!"))
{
resumeFromInterrupt();
return false;
}
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
GDB_ID = (uint)hBreakpoints.number;
GDB_filename = hBreakpoints.FileName;
GDB_address = hBreakpoints.Address;
if ((GDB_address != "<PENDING>") && (GDB_address != ""))
{
//** Run Code to verify breakpoint stop point.
// Gets the parsed response for the GDB command that print information about the specified breakpoint, in this
// case, only its address. (http://sourceware.org/gdb/onlinedocs/gdb/Set-Breaks.html)
bpointAddress = GDBParser.parseCommand("info b " + GDB_ID.ToString(), 18);
// Gets the parsed response for the GDB command that inquire what source line covers a particular address.
// (http://sourceware.org/gdb/onlinedocs/gdb/Machine-Code.html)
bpointStopPoint = GDBParser.parseCommand("info line *" + bpointAddress, 18);
GDB_line = (uint)Convert.ToInt64(bpointStopPoint.Trim());
}
else
{
GDB_address = "0x0";
GDB_line = (uint)hBreakpoints.linePos;
}
resumeFromInterrupt();
return true;
}
else
return false;
}
/// <summary>
/// Set breakpoint condition in GDB.
/// </summary>
/// <param name="GDB_ID"> Breakpoint ID in GDB. </param>
/// <param name="condition"> Condition to be set. When empty (""), means to remove any previous condition. </param>
/// <returns> If successful, returns true; otherwise, returns false. </returns>
public bool setBreakpointCondition(uint GDB_ID, string condition)
{
string cmd;
// Gets the parsed response for the GDB/MI command that sets a condition to the breakpoint "GDB_ID". If there is no
// condition, any previous one associated to this breakpoint will be removed.
// (http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Breakpoint-Commands.html)
if (condition != "")
cmd = @"-break-condition " + GDB_ID + " " + condition;
else
cmd = @"-break-condition " + GDB_ID;
string response = GDBParser.parseCommand(cmd, 19);
if (response == "")
return false;
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
return true;
}
/// <summary>
/// Ignore a given number of hit counts in GDB.
/// </summary>
/// <param name="GDB_ID"> Breakpoint ID in GDB. </param>
/// <param name="ignore"> Number of hit counts to ignore. </param>
/// <returns> If successful, returns true; otherwise, returns false. </returns>
public bool ignoreHitCount(uint GDB_ID, int ignore)
{
ignore -= 1; // The given number is decreased by one, because the VS command means to break when hit count is equal or greater
// than X hits. So, the equivalent GDB command is to break after (X - 1) hit counts.
if (ignore < 0)
{
// Had to ignore the biggest number of times to keep the breakpoint enabled and to avoid stopping on it.
ignore = int.MaxValue;
}
// Gets the parsed response for the GDB/MI command that makes the breakpoint "GDB_ID" ignore "ignore" hit counts.
// (http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Breakpoint-Commands.html)
string cmd = @"-break-after " + GDB_ID + " " + ignore;
string response = GDBParser.parseCommand(cmd, 18);
if (response == "")
return false;
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
return true;
}
/// <summary>
/// Enable or disable a breakpoint.
/// </summary>
/// <param name="GDB_ID"> Breakpoint ID in GDB. </param>
/// <param name="fEnable"> If true, enable the breakpoint. If false, disable it. </param>
/// <returns> If successful, returns true; otherwise, returns false. </returns>
public bool enableBreakpoint(uint GDB_ID, bool fEnable)
{
prepareToModifyBreakpoint();
string inputCommand;
string sEnable = "enable";
if (!fEnable)
{
sEnable = "disable";
}
// Gets the parsed response for the GDB/MI command that enables or disables the breakpoint "GDB_ID".
// (http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Breakpoint-Commands.html)
inputCommand = @"-break-" + sEnable + " " + GDB_ID;
string response = GDBParser.parseCommand(inputCommand, 8);
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
uint retID = (uint)hBreakpoints.number;
resumeFromInterrupt();
if (GDB_ID != retID)
{
return false;
}
return true;
}
/// <summary>
/// Delete a breakpoint in GDB.
/// </summary>
/// <param name="GDB_ID"> Breakpoint ID in GDB. </param>
/// <returns> If successful, returns true; otherwise, returns false. </returns>
public bool deleteBreakpoint(uint GDB_ID)
{
if (m_gdbOutput._running)
{
prepareToModifyBreakpoint();
// Gets the parsed response for the GDB/MI command that deletes the breakpoint "GDB_ID".
// (http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Breakpoint-Commands.html)
string response = GDBParser.parseCommand(@"-break-delete " + GDB_ID, 7);
if (response == null || response == "")
{
resumeFromInterrupt();
return false;
}
HandleBreakpoints hBreakpoints = new HandleBreakpoints(this);
hBreakpoints.handle(response);
uint retID = (uint)hBreakpoints.number;
resumeFromInterrupt();
if (GDB_ID != retID)
{
return false;
}
}
return true;
}