[CLR via C#]1#The CLR's Execution Model WORK-IN-PROGRESS

src => managed module  => assembly

.net managed module

a managed module is a standard 32-bit PE32 file or PE32+ file that required the CLR to execute.

one assembly can has several managed modules, but usually only one

Parts of  Managed Module

PE32 or PE32+ Header
CLR header
Metadata (優點1：不需要頭文件 2：IntelliSense 3：Refection 4：GC 5：type-safe)
IL code

loading the CLR

1.examing the EXE file's header

• 32-bit process
• 64-bit process
• WoW64 process

2. load MSCorEE.dll

3. call a method in MSCorEE.dll, (啓動CLR，加載EXE Assembly, 調用main)

WoW64:爲了32位在64位上能夠運行

FCL : Framework Class Library

http://dotnetslackers.com/articles/net/Analyzing-the-makeup-of-a-managed-module.aspx