The heart of an automatic memory management system is the collector and allocator, their algorithms and data structures, but these are of little use without suitable means to access them from a program or if they themselves cannot appropriately access the underlying platform. Furthermore, some algorithms impose requirements on the programming language implementation, for example to provide certain information or to enforce particular invariants. The interfaces between the collector (and allocator) and the rest of the system, both the language and compiler above and the operating system and libraries beneath, are the focus of this chapter.
We consider in turn allocating new objects; finding and adjusting pointers ...
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