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Arm Compiler armlink User Guide : Characteristics of a reserved empty block of memory

Characteristics of a reserved empty block of memory

An empty block of memory that is reserved with a scatter-loading description has certain characteristics.

The block of memory does not form part of the load region, but is assigned for use at execution time. Because it is created as a dummy ZI region, the linker uses the following symbols to access it:

  • Image$$region_name$$ZI$$Base.
  • Image$$region_name$$ZI$$Limit.
  • Image$$region_name$$ZI$$Length.

If the length is given as a negative value, the address is taken to be the end address of the region. This address must be an absolute address and not a relative one.