About
Call Stack - Run-time Stack for the CPU.
Also called the procedure stack.
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Management
Storage
A stack is stored in a stack segment (SS)
Creation
A program or operating system/executive can set up many stacks.
For example, in multitasking systems, each task can be given its own stack.
Current
When a system sets up many stacks, only one stack—the current stack—is available at a time. The current stack is the one contained in the segment referenced by the SS register.
Number
The number of stacks in a system is limited by:
- and the available physical memory.