| # Linker Script for National Semiconductor's CR16C-ELF32. |
| |
| test -z "$ENTRY" && ENTRY=_start |
| cat <<EOF |
| |
| /* Example Linker Script for linking NS CR16C or CR16CPlus |
| elf32 files, which were compiled with either the near data |
| model or the default data model. */ |
| |
| /* Force the entry point to be entered in the output file as |
| an undefined symbol. This is needed in case the entry point |
| (which is not called explicitly) is in an archive (which is |
| the usual case). */ |
| |
| ${RELOCATING+EXTERN(${ENTRY})} |
| ${RELOCATING+ENTRY(${ENTRY})} |
| |
| MEMORY |
| { |
| near_rom : ORIGIN = 0x4, LENGTH = 512K - 4 |
| near_ram : ORIGIN = 512K, LENGTH = 512K - 64K |
| rom : ORIGIN = 1M, LENGTH = 3M |
| ram : ORIGIN = 4M, LENGTH = 10M |
| } |
| |
| SECTIONS |
| { |
| /* The heap is located in near memory, to suit both the near and |
| default data models. The heap and stack are aligned to the bus |
| width, as a speed optimization for accessing data located |
| there. The alignment to 4 bytes is compatible for both the CR16C |
| bus width (2 bytes) and CR16CPlus bus width (4 bytes). */ |
| |
| .text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom |
| .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom |
| .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom |
| .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom |
| .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom |
| .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram |
| .nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom |
| .ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom |
| .nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram |
| .heap : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram |
| .stack : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram |
| .istack : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram |
| } |
| |
| __DATA_IMAGE_START = LOADADDR(.data); |
| __NDATA_IMAGE_START = LOADADDR(.ndata); |
| |
| EOF |
