Specifications

CAVR-4
Part 2. Compiler reference
Segment reference
157
HEAP
Used for the heap when using the CLIB library.
XLINK segment memory type
DATA
Memory space
Data. The address range depends on the memory model:
Description
Holds the heap used for dynamically allocated data.
This segment and its length is normally defined in the linker command file by the
command:
-Z(DATA)HEAP+nn=start
where nn is the length and start is the location.
HUGE_C
Holds __huge constant data, including string literals.
XLINK segment memory type
CONST
Memory space
Data. The address range is 0x0–0xFFFFFF.
Description
Holds __huge constant data, including string literals.
Note: This segment is located in external ROM. Systems without external ROM may
not use this segment.
Memory model Address range
Tiny 0x0–0xFF
Small 0x0–0xFFFF
Large 0x0–0xFFFFFF
Table 40: Heap memory address range