/// <summary>
/// Get the RVAs of the runtime functions for each method
/// </summary>
private void ParseRuntimeFunctions(bool[] isEntryPoint, int runtimeFunctionOffset, int runtimeFunctionSize)
{
int curOffset = 0;
foreach (R2RMethod method in R2RMethods)
{
int runtimeFunctionId = method.EntryPointRuntimeFunctionId;
if (runtimeFunctionId == -1)
{
continue;
}
curOffset = runtimeFunctionOffset + runtimeFunctionId * runtimeFunctionSize;
GcInfo gcInfo = null;
do
{
int startRva = NativeReader.ReadInt32(Image, ref curOffset);
int endRva = -1;
if (Machine == Machine.Amd64)
{
endRva = NativeReader.ReadInt32(Image, ref curOffset);
}
int unwindRva = NativeReader.ReadInt32(Image, ref curOffset);
int unwindOffset = GetOffset(unwindRva);
UnwindInfo unwindInfo = new UnwindInfo(Image, unwindOffset);
if (isEntryPoint[runtimeFunctionId])
{
gcInfo = new GcInfo(Image, unwindOffset + unwindInfo.Size, Machine, R2RHeader.MajorVersion);
}
method.RuntimeFunctions.Add(new RuntimeFunction(runtimeFunctionId, startRva, endRva, unwindRva, method, unwindInfo, gcInfo));
runtimeFunctionId++;
}while (runtimeFunctionId < isEntryPoint.Length && !isEntryPoint[runtimeFunctionId]);
}
}
public RuntimeFunction(int id, int startRva, int endRva, int unwindRva, R2RMethod method, UnwindInfo unwindInfo, GcInfo gcInfo)
{
Id = id;
StartAddress = startRva;
UnwindRVA = unwindRva;
Method = method;
UnwindInfo = unwindInfo;
if (endRva != -1)
{
Size = endRva - startRva;
}
else if (gcInfo != null)
{
Size = gcInfo.CodeLength;
}
method.GcInfo = gcInfo;
}
