static void WriteEncodedStackOffset(NibbleWriter _writer, int offset, bool assume4ByteAligned)
{
if (assume4ByteAligned)
{
Debug.Assert(offset % 4 == 0);
_writer.WriteInt(offset / 4);
}
else
{
_writer.WriteInt(offset);
}
}
public static byte[] CreateVarBlobForMethod(NativeVarInfo[] varInfos)
{
if (varInfos == null || varInfos.Length == 0)
{
return(null);
}
NibbleWriter writer = new NibbleWriter();
writer.WriteUInt((uint)varInfos.Length);
foreach (var nativeVarInfo in varInfos)
{
writer.WriteUInt(nativeVarInfo.startOffset);
writer.WriteUInt(nativeVarInfo.endOffset - nativeVarInfo.startOffset);
writer.WriteUInt((uint)(nativeVarInfo.varNumber - (int)ILNum.MAX_ILNUM));
VarLocType varLocType = nativeVarInfo.varLoc.LocationType;
writer.WriteUInt((uint)varLocType);
switch (varLocType)
{
case VarLocType.VLT_REG:
case VarLocType.VLT_REG_FP:
case VarLocType.VLT_REG_BYREF:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
break;
case VarLocType.VLT_STK:
case VarLocType.VLT_STK_BYREF:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
writer.WriteInt(nativeVarInfo.varLoc.C);
break;
case VarLocType.VLT_REG_REG:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
writer.WriteUInt((uint)nativeVarInfo.varLoc.C);
break;
case VarLocType.VLT_REG_STK:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
writer.WriteUInt((uint)nativeVarInfo.varLoc.C);
writer.WriteInt(nativeVarInfo.varLoc.D);
break;
case VarLocType.VLT_STK_REG:
writer.WriteInt(nativeVarInfo.varLoc.B);
writer.WriteUInt((uint)nativeVarInfo.varLoc.C);
writer.WriteUInt((uint)nativeVarInfo.varLoc.D);
break;
case VarLocType.VLT_STK2:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
writer.WriteInt(nativeVarInfo.varLoc.C);
break;
case VarLocType.VLT_FPSTK:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
break;
case VarLocType.VLT_FIXED_VA:
writer.WriteUInt((uint)nativeVarInfo.varLoc.B);
break;
default:
throw new BadImageFormatException("Unexpected var loc type");
}
}
return(writer.ToArray());
}
