public void EmitPortableExecutable()
{
bool succeeded = false;
FileStream mapFileStream = null;
TextWriter mapFile = null;
try
{
string mapFileName = Path.ChangeExtension(_objectFilePath, ".map");
mapFileStream = new FileStream(mapFileName, FileMode.Create, FileAccess.Write);
mapFile = new StreamWriter(mapFileStream);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
mapFile.WriteLine($@"R2R object emission started: {DateTime.Now}");
_sectionBuilder = new SectionBuilder();
_textSectionIndex = _sectionBuilder.AddSection(R2RPEBuilder.TextSectionName, SectionCharacteristics.ContainsCode | SectionCharacteristics.MemExecute | SectionCharacteristics.MemRead, 512);
_rdataSectionIndex = _sectionBuilder.AddSection(".rdata", SectionCharacteristics.ContainsInitializedData | SectionCharacteristics.MemRead, 512);
_dataSectionIndex = _sectionBuilder.AddSection(".data", SectionCharacteristics.ContainsInitializedData | SectionCharacteristics.MemWrite | SectionCharacteristics.MemRead, 512);
int nodeIndex = -1;
foreach (var depNode in _nodes)
{
++nodeIndex;
ObjectNode node = depNode as ObjectNode;
if (node == null)
{
continue;
}
if (node.ShouldSkipEmittingObjectNode(_nodeFactory))
{
continue;
}
ObjectData nodeContents = node.GetData(_nodeFactory);
string name = null;
if (mapFile != null)
{
name = depNode.GetType().ToString();
int firstGeneric = name.IndexOf('[');
if (firstGeneric < 0)
{
firstGeneric = name.Length;
}
int lastDot = name.LastIndexOf('.', firstGeneric - 1, firstGeneric);
if (lastDot > 0)
{
name = name.Substring(lastDot + 1);
}
}
EmitObjectData(nodeContents, nodeIndex, name, node.Section, mapFile);
}
_sectionBuilder.SetReadyToRunHeaderTable(_nodeFactory.Header, _nodeFactory.Header.GetData(_nodeFactory).Data.Length);
Machine targetMachine;
switch (_nodeFactory.Target.Architecture)
{
case Internal.TypeSystem.TargetArchitecture.X64:
targetMachine = Machine.Amd64;
break;
case Internal.TypeSystem.TargetArchitecture.X86:
targetMachine = Machine.I386;
break;
default:
throw new NotImplementedException(_nodeFactory.Target.Architecture.ToString());
}
using (var peStream = File.Create(_objectFilePath))
{
_sectionBuilder.EmitR2R(targetMachine, _inputPeReader, UpdateDirectories, peStream);
}
mapFile.WriteLine($@"R2R object emission finished: {DateTime.Now}, {stopwatch.ElapsedMilliseconds} msecs");
mapFile.Flush();
mapFileStream.Flush();
succeeded = true;
}
finally
{
if (mapFile != null)
{
mapFile.Dispose();
}
if (mapFileStream != null)
{
mapFileStream.Dispose();
}
if (!succeeded)
{
// If there was an exception while generating the OBJ file, make sure we don't leave the unfinished
// object file around.
try
{
File.Delete(_objectFilePath);
}
catch
{
}
}
}
}
