November 2002
Intermediate to advanced
432 pages
9h 20m
English
Content preview from Essential .NET, Volume 1: The Common Language RuntimeBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The CLR Loader
The CLR loader is responsible for loading and initializing assemblies, modules, resources, and types. The CLR loader loads and initializes as little as it can get away with. Unlike the Win32 loader, the CLR loader does not resolve and automatically load the subordinate modules (or assemblies). Rather, the subordinate pieces are loaded on demand only if they are actually needed (as with Visual C++ 6.0's delay-load feature). This not only speeds up program initialization time but also reduces the amount of resources consumed by a running program.
In the CLR, loading typically is triggered by the just in time (JIT) compiler based on types. When the JIT compiler tries to convert a method body from CIL to machine code, it needs access ...
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