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authorNick Clifton <nickc@redhat.com>2004-03-30 14:04:32 +0000
committerNick Clifton <nickc@redhat.com>2004-03-30 14:04:32 +0000
commit0949843db222949909c1cc15724459445105ea1b (patch)
tree67f494d7588ecdf38c9a0c3c385d6e0c5ec23804 /ld/scripttempl
parentbaaff79e16566902d0e30816bc3fe6b6fb12c323 (diff)
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Add (linker) support for CR16C processor
Diffstat (limited to 'ld/scripttempl')
-rw-r--r--ld/scripttempl/elf32cr16c.sc52
1 files changed, 52 insertions, 0 deletions
diff --git a/ld/scripttempl/elf32cr16c.sc b/ld/scripttempl/elf32cr16c.sc
new file mode 100644
index 0000000..b02edfd
--- /dev/null
+++ b/ld/scripttempl/elf32cr16c.sc
@@ -0,0 +1,52 @@
+# Linker Script for National Semiconductor's CR16C-ELF32.
+
+test -z "$ENTRY" && ENTRY=_start
+cat <<EOF
+
+/* Example Linker Script for linking NS CR16C or CR16CPlus
+ elf32 files, which were compiled with either the near data
+ model or the default data model. */
+
+/* Force the entry point to be entered in the output file as
+ an undefined symbol. This is needed in case the entry point
+ (which is not called explicitly) is in an archive (which is
+ the usual case). */
+
+EXTERN(${ENTRY})
+
+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