void __stdcall sxsJitStartup(CoreClrCallbacks const & cccallbacks)
{
#ifndef SELF_NO_HOST
InitUtilcode(cccallbacks);
jitOnDllProcessAttach();
g_fClrCallbacksInit = TRUE;
#endif
}
extern "C" void __stdcall sxsJitStartup(CoreClrCallbacks const& cccallbacks)
{
#ifndef SELF_NO_HOST
InitUtilcode(cccallbacks);
#endif
#if COR_JIT_EE_VERSION <= 460
jitStartup(JitHost::getJitHost());
#endif
}
void InitUtilcode()
{
#ifdef _DEBUG
static bool fAlreadyInitialized = false;
_ASSERTE(!fAlreadyInitialized);
fAlreadyInitialized = true;
#endif
InitUtilcode(*GetCoreClrCallbacks());
}
// For the CoreClr, this is the real DLL entrypoint. We make ourselves the first entrypoint as
// we need to capture coreclr's hInstance before the C runtine initializes. This function
// will capture hInstance, let the C runtime initialize and then invoke the "classic"
// DllMain that initializes everything else.
extern "C" BOOL WINAPI CoreDllMain(HANDLE hInstance, DWORD dwReason, LPVOID lpReserved)
{
STATIC_CONTRACT_NOTHROW;
BOOL result;
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
#ifndef FEATURE_PAL
// Make sure the /GS security cookie is initialized before we call anything else.
// BinScope detects the call to __security_init_cookie in its "Has Non-GS-friendly
// Initialization" check and makes it pass.
__security_init_cookie();
#endif // FEATURE_PAL
// It's critical that we invoke InitUtilCode() before the CRT initializes.
// We have a lot of global ctors that will break if we let the CRT initialize without
// this step having been done.
CoreClrCallbacks cccallbacks;
cccallbacks.m_hmodCoreCLR = (HINSTANCE)hInstance;
cccallbacks.m_pfnIEE = IEE;
cccallbacks.m_pfnGetCORSystemDirectory = GetCORSystemDirectoryInternal;
cccallbacks.m_pfnGetCLRFunction = GetCLRFunction;
InitUtilcode(cccallbacks);
if (!(result = _CRT_INIT(hInstance, dwReason, lpReserved)))
{
// CRT_INIT may fail to initialize the CRT heap. Make sure we don't continue
// down a path that would trigger an AV and tear down the host process
break;
}
result = DllMain(hInstance, dwReason, lpReserved);
break;
case DLL_THREAD_ATTACH:
_CRT_INIT(hInstance, dwReason, lpReserved);
result = DllMain(hInstance, dwReason, lpReserved);
break;
case DLL_PROCESS_DETACH: // intentional fallthru
case DLL_THREAD_DETACH:
result = DllMain(hInstance, dwReason, lpReserved);
_CRT_INIT(hInstance, dwReason, lpReserved);
break;
default:
result = FALSE; // it'd be an OS bug if we got here - not much we can do.
break;
}
return result;
}
extern "C" DLLEXPORT void __stdcall sxsJitStartup(CoreClrCallbacks const& cccallbacks)
{
#ifndef SELF_NO_HOST
InitUtilcode(cccallbacks);
#endif
}
