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 /* Force the entry point to be entered in the output file as
11 an undefined symbol. This is needed in case the entry point
12 (which is not called explicitly) is in an archive (which is
15 ${RELOCATING+EXTERN(${ENTRY})}
16 ${RELOCATING+ENTRY(${ENTRY})}
20 near_rom : ORIGIN = 0x4, LENGTH = 512K - 4
21 near_ram : ORIGIN = 512K, LENGTH = 512K - 64K
22 rom : ORIGIN = 1M, LENGTH = 3M
23 ram : ORIGIN = 4M, LENGTH = 10M
28 /* The heap is located in near memory, to suit both the near and
29 default data models. The heap and stack are aligned to the bus
30 width, as a speed optimization for accessing data located
31 there. The alignment to 4 bytes is compatible for both the CR16C
32 bus width (2 bytes) and CR16CPlus bus width (4 bytes). */
34 .text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom
35 .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom
36 .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom
37 .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom
38 .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom
39 .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram
40 .nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom
41 .ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom
42 .nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram
43 .heap : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram
44 .stack : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
45 .istack : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram
48 __DATA_IMAGE_START = LOADADDR(.data);
49 __NDATA_IMAGE_START = LOADADDR(.ndata);