/// <summary>
/// Decode the mi results and create a bound breakpoint from it.
/// </summary>
/// <param name="bkpt">breakpoint description</param>
/// <returns>null if breakpoint is pending</returns>
private async Task <BoundBreakpoint> GetBoundBreakpoint(TupleValue bkpt)
{
string addrString = bkpt.TryFindString("addr");
MIBreakpointState state = StringToBreakpointState(addrString);
if (state == MIBreakpointState.Multiple)
{
// MI gives no way to find the set of addresses a breakpoint is bound to. So bind the breakpoint to address zero until hit.
// When the breakpoint is hit can rebind to actual address.
bkpt.Content.RemoveAll((keyval) => { return(keyval.Name == "addr"); });
bkpt.Content.Add(new NamedResultValue("addr", new ConstValue("0")));
}
else if (state == MIBreakpointState.Pending)
{
return(null);
}
else if (!string.IsNullOrEmpty(addrString) && bkpt.FindAddr("addr") == BreakpointManager.INVALID_ADDRESS)
{
return(null);
}
var bbp = new BoundBreakpoint(this, bkpt);
// On GDB, the returned line information is from the pending breakpoint instead of the bound breakpoint.
// Check the address mapping to make sure the line info is correct.
if (this.DebuggedProcess.MICommandFactory.Mode == MIMode.Gdb && !string.IsNullOrEmpty(bbp.CompiledFileName))
{
bbp.Line = await this.DebuggedProcess.LineForStartAddress(bbp.CompiledFileName, bbp.Addr);
}
return(bbp);
}
internal async Task <uint> ReadProcessMemory(ulong address, uint count, byte[] bytes)
{
string cmd = "-data-read-memory-bytes " + EngineUtils.AsAddr(address) + " " + count.ToString();
Results results = await CmdAsync(cmd, ResultClass.None);
if (results.ResultClass == ResultClass.error)
{
return(uint.MaxValue);
}
ValueListValue mem = results.Find <ValueListValue>("memory");
if (mem.IsEmpty())
{
return(0);
}
TupleValue res = mem.Content[0] as TupleValue;
if (res == null)
{
return(0);
}
ulong start = res.FindAddr("begin");
ulong end = res.FindAddr("end");
ulong offset = res.FindAddr("offset"); // for some reason this is formatted as hex
string content = res.FindString("contents");
uint toRead = (uint)content.Length / 2;
if (toRead > count)
{
toRead = count;
}
// ensure the buffer contains the desired bytes.
if (start + offset != address)
{
throw new MIException(Constants.E_FAIL);
}
for (int pos = 0; pos < toRead; ++pos)
{
// Decode one byte
string strByte = content.Substring(pos * 2, 2);
bytes[pos] = Convert.ToByte(strByte, 16);
}
return(toRead);
}
/// <summary>
/// Decode the mi results and create a bound breakpoint from it.
/// </summary>
/// <param name="bkpt">breakpoint description</param>
/// <returns>null if breakpoint is pending</returns>
private BoundBreakpoint GetBoundBreakpoint(TupleValue bkpt)
{
string addrString = bkpt.TryFindString("addr");
MIBreakpointState state = StringToBreakpointState(addrString);
if (state == MIBreakpointState.Multiple)
{
// MI gives no way to find the set of addresses a breakpoint is bound to. So bind the breakpoint to address zero until hit.
// When the breakpoint is hit can rebind to actual address.
bkpt.Content.RemoveAll((keyval) => { return(keyval.Name == "addr"); });
bkpt.Content.Add(new NamedResultValue("addr", new ConstValue("0")));
}
else if (state == MIBreakpointState.Pending)
{
return(null);
}
else if (!string.IsNullOrEmpty(addrString) && bkpt.FindAddr("addr") == BreakpointManager.INVALID_ADDRESS)
{
return(null);
}
return(new BoundBreakpoint(this, bkpt));
}
/// <summary>
/// Decode the mi results and create a bound breakpoint from it.
/// </summary>
/// <param name="bkpt">breakpoint description</param>
/// <returns>null if breakpoint is pending</returns>
private BoundBreakpoint GetBoundBreakpoint(TupleValue bkpt)
{
string addrString = bkpt.TryFindString("addr");
MIBreakpointState state = StringToBreakpointState(addrString);
if (state == MIBreakpointState.Multiple)
{
// MI gives no way to find the set of addresses a breakpoint is bound to. So bind the breakpoint to address zero until hit.
// When the breakpoint is hit can rebind to actual address.
bkpt.Content.RemoveAll((keyval) => { return keyval.Name == "addr"; });
bkpt.Content.Add(new NamedResultValue("addr", new ConstValue("0")));
}
else if (state == MIBreakpointState.Pending)
{
return null;
}
else if (!string.IsNullOrEmpty(addrString) && bkpt.FindAddr("addr") == BreakpointManager.INVALID_ADDRESS)
{
return null;
}
return new BoundBreakpoint(this, bkpt);
}
