internal ImageExports(MappedImage mappedImage)
{
_mappedImage = mappedImage;
_dataDirectory = mappedImage.GetDataEntry(ImageDataEntry.Export);
_exportDirectory = mappedImage.GetExportDirectory();
if (_exportDirectory != null)
{
_addressTable = (int*)mappedImage.RvaToVa(_exportDirectory->AddressOfFunctions);
_namePointerTable = (int*)mappedImage.RvaToVa(_exportDirectory->AddressOfNames);
_ordinalTable = (short*)mappedImage.RvaToVa(_exportDirectory->AddressOfNameOrdinals);
}
}
internal ImageExports(MappedImage mappedImage)
{
_mappedImage = mappedImage;
_dataDirectory = mappedImage.GetDataEntry(ImageDataEntry.Export);
_exportDirectory = mappedImage.GetExportDirectory();
if (_exportDirectory != null)
{
_addressTable = (int *)mappedImage.RvaToVa(_exportDirectory->AddressOfFunctions);
_namePointerTable = (int *)mappedImage.RvaToVa(_exportDirectory->AddressOfNames);
_ordinalTable = (short *)mappedImage.RvaToVa(_exportDirectory->AddressOfNameOrdinals);
}
}
private void *GetLoadConfig(short magic)
{
if (_magic != magic)
{
return(null);
}
ImageDataDirectory *dataEntry = this.GetDataEntry(ImageDataEntry.LoadConfig);
if (dataEntry == null)
{
return(null);
}
return(this.RvaToVa(dataEntry->VirtualAddress));
}
public static unsafe IntPtr GetExportedFunctionPointerForModule(long moduleBaseAddress, string importName)
{
ImageNtHeaders * imageNtHeaders = AnalyseModuleWin((IntPtr)moduleBaseAddress);
ImageSectionHeader *pSech = ImageFirstSection(imageNtHeaders);
ImageDataDirectory *imageDirectoryEntryExport = MelonUtils.IsGame32Bit() ? &imageNtHeaders->optionalHeader32.exportTable : &imageNtHeaders->optionalHeader64.exportTable;
ImageExportDirectory *pExportDirectory = (ImageExportDirectory *)((long)moduleBaseAddress + imageDirectoryEntryExport->virtualAddress);
//MelonLoader.MelonLogger.Msg("pExportDirectory at " + string.Format("{0:X}", (ulong)pExportDirectory - (ulong)moduleBaseAddress));
for (uint i = 0; i < imageDirectoryEntryExport->size / sizeof(ImageExportDirectory); ++i)
{
ImageExportDirectory *pExportDirectoryI = pExportDirectory + i;
//MelonLoader.MelonLogger.Msg("pExportDirectoryI->name: " + string.Format("{0:X}", pExportDirectoryI->name));
if (pExportDirectoryI->name != 0)
{
string imagename = Marshal.PtrToStringAnsi((IntPtr)((long)moduleBaseAddress + pExportDirectoryI->name));
//string imagename = CppUtils.CharArrayPtrToString((IntPtr)pExportDirectoryI->name);
//MelonLoader.MelonLogger.Msg("imagename: " + imagename);
/*
* if (imagename != "UnityPlayer.dll")
* continue;
*/
long baseNameOrdinalOffset = moduleBaseAddress + (int)pExportDirectoryI->addressOfNameOrdinals;
long baseFunctionOffset = moduleBaseAddress + (int)pExportDirectoryI->addressOfFunctions;
long baseNameOffset = moduleBaseAddress + (int)pExportDirectoryI->addressOfNames;
for (int j = 0; j < pExportDirectoryI->numberOfNames; ++j)
{
ushort ordinal = *(ushort *)((long)baseNameOrdinalOffset + j * 2);
long functionnameAddress = moduleBaseAddress + *(int *)(baseNameOffset + j * 4);
long functionaddress = moduleBaseAddress + *(int *)(baseFunctionOffset + ordinal * 4);
string importname = Marshal.PtrToStringAnsi((IntPtr)functionnameAddress);
//MelonLoader.MelonLogger.Msg($"{imagename}::{importname} @ 0x{((ulong)functionaddress - (ulong)moduleBaseAddress):X} (0x{functionaddress:X} - 0x{moduleBaseAddress:X})");
if (importname == importName)
{
return((IntPtr)functionaddress);
}
}
}
}
return(IntPtr.Zero);
}
public ImageImportDescriptor *GetImportDirectory()
{
ImageDataDirectory *dataEntry = this.GetDataEntry(ImageDataEntry.Import);
return((ImageImportDescriptor *)this.RvaToVa(dataEntry->VirtualAddress));
}
public ImageExportDirectory *GetExportDirectory()
{
ImageDataDirectory *dataEntry = this.GetDataEntry(ImageDataEntry.Export);
return((ImageExportDirectory *)this.RvaToVa(dataEntry->VirtualAddress));
}