Add new port: crx-elf

ld/scripttempl/elf32crx.sc

@@ -0,0 +1,56 @@
+# Linker Script for National Semiconductor's CRX-ELF32.
+
+# The next line should be uncommented if it is desired to link
+# without libstart.o and directly enter main.
+
+# ENTRY=_main
+
+test -z "$ENTRY" && ENTRY=_start
+cat <<EOF
+
+/* Example Linker Script for linking NS CRX elf32 files. */
+
+/* The next line forces the entry point (${ENTRY} in this script)
+   to be entered in the output file as an undefined symbol.
+   It is needed in case the entry point is not called explicitly
+   (which is the usual case) AND is in an archive.  */
+
+OUTPUT_FORMAT("${OUTPUT_FORMAT}")
+OUTPUT_ARCH(${ARCH})
+EXTERN(${ENTRY})
+ENTRY(${ENTRY})
+
+/* Define memory regions.  */
+MEMORY
+{
+        rom         : ORIGIN = 0x2,         LENGTH = 3M
+        ram         : ORIGIN = 4M,          LENGTH = 10M
+}
+
+SECTIONS
+{
+  .text : { __TEXT_START = .; *(.text) *(.text.*) *(.gnu.linkonce.t.*) __TEXT_END = .; } > rom
+	
+  .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) *(.rdata.*) *(.gnu.linkonce.r.*) __RDATA_END = .; } > rom
+
+  .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > rom
+
+  .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > rom
+
+  .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) *(.data.*) *(.gnu.linkonce.d.*) __DATA_END = .; } > ram AT > rom
+
+  .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) *(.bss.*) *(.gnu.linkonce.b.*) __BSS_END = .; } > ram
+
+/* You may change the sizes of the following sections to fit the actual
+   size your program requires.
+
+   The heap and stack are aligned to the bus width, as a speed optimization
+   for accessing data located there.  */
+
+  .heap : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > ram
+  .stack : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
+  .istack : { . = ALIGN(4); . += 0x100; __ISTACK_START = .; } > ram
+}
+
+__DATA_IMAGE_START = LOADADDR(.data);
+EOF