private void DisassembleMethod(ClrMethod method)
{
var module = method.Type.Module;
string fileName = module.FileName;
AssemblyDefinition assembly = AssemblyDefinition.ReadAssembly(fileName);
TypeDefinition type = assembly.MainModule.GetType(method.Type.Name);
MethodDefinition methodDef = type.Methods.Single(
m => m.MetadataToken.ToUInt32() == method.MetadataToken);
_context.WriteLine("{0}", method.GetFullSignature());
if (method.ILOffsetMap == null)
return;
var mapByOffset = (from map in method.ILOffsetMap
where map.ILOffset != -2
where map.StartAddress <= map.EndAddress
orderby map.ILOffset
select map).ToArray();
if (mapByOffset.Length == 0)
{
// The method doesn't have an offset map. Just print the whole thing.
PrintInstructions(methodDef.Body.Instructions);
}
// This is the prologue, looks like it's always there, but it could
// also be the only thing that's in the method
DisassembleNative(method.ILOffsetMap.Single(e => e.ILOffset == -2));
for (int i = 0; i < mapByOffset.Length; ++i)
{
var map = mapByOffset[i];
IEnumerable<Instruction> instructions;
if (i == mapByOffset.Length - 1)
{
instructions = methodDef.Body.Instructions.Where(
instr => instr.Offset >= map.ILOffset);
}
else
{
instructions = methodDef.Body.Instructions.Where(
instr => instr.Offset >= map.ILOffset &&
instr.Offset < mapByOffset[i + 1].ILOffset);
}
var sourceLocation = method.GetSourceLocation(map.ILOffset);
if (sourceLocation != null)
{
_context.WriteLine("{0} {1}-{2}:{3}-{4}", sourceLocation.FilePath,
sourceLocation.LineNumber, sourceLocation.LineNumberEnd,
sourceLocation.ColStart, sourceLocation.ColEnd);
for (int line = sourceLocation.LineNumber; line <= sourceLocation.LineNumberEnd; ++line)
{
_context.WriteLine(ReadSourceLine(sourceLocation.FilePath, line));
_context.WriteLine(new string(' ', sourceLocation.ColStart - 1) + new string('^', sourceLocation.ColEnd - sourceLocation.ColStart));
}
}
PrintInstructions(instructions);
DisassembleNative(map);
}
// TODO We are still not printing the epilogue while sosex does
}
