1 # Linker Script for National Semiconductor's CR16C-ELF32.
3 test -z "$ENTRY" && ENTRY=_start
6 /* Example Linker Script for linking NS CR16C or CR16CPlus
7 elf32 files, which were compiled with either the near data
8 model or the default data model. */
10 ${RELOCATING+ENTRY(${ENTRY})}
14 near_rom : ORIGIN = 0x4, LENGTH = 512K - 4
15 near_ram : ORIGIN = 512K, LENGTH = 512K - 64K
16 rom : ORIGIN = 1M, LENGTH = 3M
17 ram : ORIGIN = 4M, LENGTH = 10M
22 /* The heap is located in near memory, to suit both the near and
23 default data models. The heap and stack are aligned to the bus
24 width, as a speed optimization for accessing data located
25 there. The alignment to 4 bytes is compatible for both the CR16C
26 bus width (2 bytes) and CR16CPlus bus width (4 bytes). */
28 .text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom
29 .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom
30 .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom
31 .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom
32 .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom
33 .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram
34 .nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom
35 .ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom
36 .nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram
37 .heap (NOLOAD) : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram
38 .stack (NOLOAD) : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
39 .istack (NOLOAD) : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram
42 __DATA_IMAGE_START = LOADADDR(.data);
43 __NDATA_IMAGE_START = LOADADDR(.ndata);