internal static ImageSymbolImport FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var application = context.Assembly;
var optionalHeader = application.NtHeaders.OptionalHeader;
var import = new ImageSymbolImport(optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus
? reader.ReadUInt64()
: reader.ReadUInt32());
if (import.Lookup == 0)
{
return(import);
}
import.IsImportByOrdinal = import.Lookup >> (optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus ? 63 : 31) == 1;
if (!import.IsImportByOrdinal)
{
import.HintName =
HintName.FromReadingContext(context.CreateSubContext(application.RvaToFileOffset(import.HintNameRva)));
}
return(import);
}
/// <summary>
/// Determines the import address to use for a specific function.
/// </summary>
/// <param name="import">The imported symbol to get the address from.</param>
/// <param name="is32Bit">Specifies whether the address should be a 32-bit or 64-bit address.</param>
/// <returns></returns>
public ulong GetSymbolImportAddress(ImageSymbolImport import, bool is32Bit)
{
int index = SymbolImports.IndexOf(import);
if (index == -1)
{
throw new ArgumentException("Symbol is not present in the module import.", "import");
}
return((ulong)(ImportAddressTableRva + index * (is32Bit ? sizeof(uint) : sizeof(ulong))));
}
internal static ImageSymbolImport FromReadingContext(ReadingContext context)
{
var reader = context.Reader;
var application = context.Assembly;
var optionalHeader = application.NtHeaders.OptionalHeader;
var import = new ImageSymbolImport(optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus
? reader.ReadUInt64()
: reader.ReadUInt32());
if (import.Lookup == 0)
return import;
import.IsImportByOrdinal = import.Lookup >> (optionalHeader.Magic == OptionalHeaderMagic.Pe32Plus ? 63 : 31) == 1;
if (!import.IsImportByOrdinal)
import.HintName =
HintName.FromReadingContext(context.CreateSubContext(application.RvaToFileOffset(import.HintNameRva)));
return import;
}
/// <summary>
/// Determines the import address to use for a specific function.
/// </summary>
/// <param name="import">The imported symbol to get the address from.</param>
/// <param name="is32Bit">Specifies whether the address should be a 32-bit or 64-bit address.</param>
/// <returns></returns>
public ulong GetSymbolImportAddress(ImageSymbolImport import, bool is32Bit)
{
int index = SymbolImports.IndexOf(import);
if (index == -1)
throw new ArgumentException("Symbol is not present in the module import.", "import");
return (ulong)(ImportAddressTableRva + index * (is32Bit ? sizeof (uint) : sizeof (ulong)));
}