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:
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.