|
private GetProcAddress ( |
||
| hModule | ||
| procName | string | |
| return | ||
public void ResolveImports()
{
int numImports = 0;
foreach (var import in Imports)
{
var hModule = Win32.LoadLibrary(import.ModuleName);
if (hModule == IntPtr.Zero)
{
throw new Exception(String.Format("Module load failed: {0}", import.ModuleName));
}
try {
var procAddress = Win32.GetProcAddress(hModule, import.FunctionName);
if (procAddress == 0)
{
throw new Exception(String.Format("Unresolved import: {0}:{1}", import.ModuleName, import.FunctionName));
}
var section = SectionFromVirtualAddress(import.FunctionAddressDestination);
var offset = import.FunctionAddressDestination - section.VirtualAddress;
var bytes = BitConverter.GetBytes(procAddress);
Array.Copy(bytes, 0, section.RawData, offset, bytes.Length);
numImports += 1;
} finally {
Win32.FreeLibrary(hModule);
}
}
}
protected IntPtr GetFunctionAddress(string moduleName, string functionName)
{
var hModule = Win32.LoadLibrary(moduleName);
if (hModule == IntPtr.Zero)
{
throw new Exception(String.Format("Module load failed: {0}", moduleName));
}
try {
var procAddress = new IntPtr(Win32.GetProcAddress(hModule, functionName));
if (procAddress == IntPtr.Zero)
{
throw new FunctionNotExportedException(moduleName, functionName);
}
return(procAddress);
} finally {
Win32.FreeLibrary(hModule);
}
}