public bool LookupSymbol(ulong address, out SymbolInfo sym)
{
sym.FileName = "";
sym.LineNumber = 0;
sym.Symbol = "";
sym.Address = address;
DbgHelpNative.SYMBOL_INFO data = new DbgHelpNative.SYMBOL_INFO();
data.SizeOfStruct = (uint) Marshal.SizeOf(data) - 1024;
data.MaxNameLen = 1024;
ulong displacement;
if (DbgHelpNative.SymFromAddr(m_Handle, address, out displacement, ref data))
{
sym.Symbol = data.Name;
}
else
{
return false;
}
DbgHelpNative.IMAGEHLP_LINE64 line = new DbgHelpNative.IMAGEHLP_LINE64();
line.SizeOfStruct = (uint) Marshal.SizeOf(line);
uint disp32;
if (DbgHelpNative.SymGetLineFromAddr64(m_Handle, address, out disp32, ref line))
{
StringBuilder fn = new StringBuilder(128);
for (int i = 0; ; ++i)
{
byte b = Marshal.ReadByte(IntPtr.Add(line.FileName, i));
if (0 == b)
break;
fn.Append((char)b);
}
sym.FileName = fn.ToString();
sym.LineNumber = (int) line.LineNumber;
}
else
{
sym.FileName = "(no source)";
}
return true;
}
public void Load(string fn)
{
using (var stream = File.Open(fn, FileMode.Open, FileAccess.Read, FileShare.Read))
{
FileSize = stream.Length;
// Figure out what the footer looks like
using (var br = new BinaryReader(stream, Encoding.UTF8, /*leaveOpen:*/ true))
{
// Seek to last 8 bytes.
stream.Position = stream.Length - 8;
// Read position of footer.
long footer_pos = br.ReadInt64();
// Stash length of compressed data preceding the footer.
FooterPosition = footer_pos;
stream.Position = footer_pos;
// Slurp in the serialized footer.
uint magic = br.ReadUInt32();
Version = Array.IndexOf(AllMagics, magic);
if (Version == -1)
throw new IOException(String.Format("Expected decorated stream magic {0:x8}, got {1:x8}. Old file?", V2Magic, magic));
PlatformName = br.ReadString();
PointerSizeBytes = br.ReadInt32();
EventCount = br.ReadInt64();
WireSizeBytes = br.ReadInt64();
SourceMachine = br.ReadString();
MaxTimeStamp = br.ReadUInt64();
TimerFrequency = br.ReadUInt64();
EncodedDataSizeBytes = br.ReadInt64();
{
int modcount = br.ReadInt32();
Modules = new List<ModuleInfo>(modcount);
for (int i = 0; i < modcount; ++i)
{
var name = br.ReadString();
var baseaddr = br.ReadUInt64();
var size = br.ReadUInt64();
Modules.Add(new ModuleInfo { Name = name, BaseAddress = baseaddr, SizeBytes = size });
}
}
{
int markcount = br.ReadInt32();
m_Marks.Clear();
for (int i = 0; i < markcount; ++i)
{
var name = br.ReadString();
var time = br.ReadUInt64();
AddMark(new TraceMark { Name = name, TimeStamp = time });
}
}
{
int symcount = br.ReadInt32();
Symbols = new List<ulong>(symcount);
for (int i = 0; i < symcount; ++i)
{
var addr = br.ReadUInt64();
Symbols.Add(addr);
}
}
{
ResolvedSymbols.Clear();
int rsymcount = br.ReadInt32();
for (int i = 0; i < rsymcount; ++i)
{
var sym = new SymbolInfo();
ulong addr = br.ReadUInt64();
sym.FileName = br.ReadString();
sym.LineNumber = br.ReadInt32();
sym.Symbol = br.ReadString();
ResolvedSymbols[addr] = sym;
}
}
if (Version > 0)
{
MemTraceInitCommonAddress = br.ReadUInt64();
}
if (Version > 1)
{
ExecutableName = br.ReadString();
WarningCount = br.ReadInt32();
}
if (Version > 3)
{
int warnTextCount = br.ReadInt32();
for (int i = 0; i < warnTextCount; ++i)
{
Warnings.Add(br.ReadString());
}
}
}
}
}
private void ResolveSymbols(ISymbolProgressListener listener, TraceReplayStateful replay, string elfFile, string sdkDir, ulong elfBase)
{
var result = new Dictionary<ulong, SymbolInfo>();
var procInfo = new ProcessStartInfo
{
// Need to merge stdout and stderr together
Arguments = String.Format("--infile=\"{0}\" -a2l", elfFile),
UseShellExecute = false,
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
FileName = Path.Combine(sdkDir, @"host_tools\bin\orbis-bin.exe"),
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
var stdout = new List<string>();
using (var proc = Process.Start(procInfo))
{
proc.OutputDataReceived += (object sender, DataReceivedEventArgs args) =>
{
if (!String.IsNullOrEmpty(args.Data) && !args.Data.StartsWith("WARNING:"))
stdout.Add(args.Data);
};
proc.ErrorDataReceived += (object sender, DataReceivedEventArgs args) =>
{
// Throw it on the floor.
};
proc.BeginOutputReadLine();
proc.BeginErrorReadLine();
int x = 0;
var lastUpdate = DateTime.Now;
var updateThres = new TimeSpan(0, 0, 0, 0, 100);
foreach (ulong address in replay.MetaData.Symbols)
{
if (x % 100 == 0 || DateTime.Now - lastUpdate > updateThres)
{
listener.UpdateProgress(String.Format("Resolving symbol {0}/{1}..", x + 1, replay.MetaData.Symbols.Count), (x + 1) / (double)replay.MetaData.Symbols.Count);
lastUpdate = DateTime.Now;
}
if (address != 0)
{
proc.StandardInput.WriteLine("0x{0:x16}", address - elfBase);
}
++x;
}
proc.StandardInput.Close();
proc.WaitForExit();
}
// Now deal with orbis-bin's wonky output format
for (int k = 0; k < stdout.Count; )
{
var addrStr = MatchPrefix(stdout[k++], "Address:");
ulong addr = UInt64.Parse(addrStr.Substring(2), NumberStyles.HexNumber);
string directory = MatchPrefix(stdout[k++], "Directory:").Replace('/', Path.DirectorySeparatorChar);
string filename = MatchPrefix(stdout[k++], "File Name:");
var sym = new SymbolInfo();
sym.Address = addr + elfBase;
if (filename != "??")
sym.FileName = Path.Combine(directory, filename);
else
sym.FileName = "Unknown";
sym.LineNumber = Int32.Parse(MatchPrefix(stdout[k++], "Line Number:"));
sym.Symbol = MatchPrefix(stdout[k++], "Symbol:");
// Try to discard function signature data.
int firstParenPos = sym.Symbol.IndexOf('(');
if (-1 != firstParenPos)
{
sym.Symbol = sym.Symbol.Substring(0, firstParenPos);
}
result[addr + elfBase] = sym;
}
listener.UpdateProgress("Saving..", 1.0);
listener.UpdateMessage("Writing resolved symbols back to trace file");
replay.UpdateResolvedSymbols(result);
listener.UpdateProgress("Done", 1.0);
listener.UpdateMessage("Finished!");
}