2010-12-02 Jayant Sonar jayant.sonar@kpitcummins.com

            Kaushik Phatak  kaushik.phatak@kpitcummins.com

        * configure.in: Add CR16 support.
        * configure: Regenerated.
        * cr16/aclocal.m4: New.
        * cr16/close.c: New.
        * cr16/configure: New.
        * cr16/configure.in: New.
        * cr16/crt1.S: New.
        * cr16/crti.S: New.
        * cr16/crtn.S: New.
        * cr16/dvz_hndl.c: New.
        * cr16/_exit.c: New.
        * cr16/flg_hndl.c: New.
        * cr16/fstat.c: New.
        * cr16/_getenv.c: New.
        * cr16/getpid.c: New.
        * cr16/iad_hndl.c: New.
        * cr16/intable.c: New.
        * cr16/isatty.c: New.
        * cr16/kill.c: New.
        * cr16/lseek.c: New.
        * cr16/Makefile.in: New.
        * cr16/open.c: New.
        * cr16/putnum.c: New.
        * cr16/read.c: New.
        * cr16/_rename.c: New.
        * cr16/sbrk.c: New.
        * cr16/sim.ld: New.
        * cr16/stat.c: New.
        * cr16/svc_hndl.c: New.
        * cr16/time.c: New.
        * cr16/und_hndl.c: New.
        * cr16/unlink.c: New.
        * cr16/write.c: New.

1 files changed, 138 insertions, 0 deletions

diff --git a/libgloss/cr16/sim.ld b/libgloss/cr16/sim.ld
new file mode 100644
index 000000000..7fa9fa2d6
--- /dev/null
+++ b/libgloss/cr16/sim.ld
@@ -0,0 +1,138 @@
+/* Example Linker Script for linking NS CR16 elf32 files.*/
+OUTPUT_FORMAT("elf32-cr16")
+OUTPUT_ARCH(cr16)
+
+/* 
+ The libh.a library includes various CR default handlers.
+ The libsim.a library includes low-level functions, which
+ are used as an interface to communicate with the simulator.
+*/
+GROUP(-lc -lsim -lh -lgcc)
+
+/*
+ The next line forces the entry point (_start 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.
+*/
+EXTERN(_start)
+ENTRY(_start)
+
+/* Define memory regions: Only RAM required for simulator */
+MEMORY
+{
+  ram  : ORIGIN = 0x2,  LENGTH = 10M
+}
+
+SECTIONS
+{
+  .init :
+  { 
+    __INIT_START = .; 
+    KEEP (*(.init))
+    __INIT_END = .; 
+  } > ram
+
+  .fini :
+  { 
+    __FINI_START = .; 
+    KEEP (*(.fini))
+    __FINI_END = .; 
+  } > ram
+
+  .jcr :
+  { 
+    KEEP (*(.jcr))
+  } > ram
+
+  .text : 
+  { 
+    __TEXT_START = .; 
+    *(.text) *(.text.*) *(.gnu.linkonce.t.*) 
+    __TEXT_END = .; 
+  } > ram
+
+  .rdata : 
+  {
+     __RDATA_START = .; 
+     *(.rdata_4) *(.rdata_2) *(.rdata_1) *(.rdata.*) *(.gnu.linkonce.r.*) *(.rodata*)
+     __RDATA_END = .; 
+  } > ram
+
+  .ctor ALIGN(4) : 
+  { 
+    __CTOR_START = .; 
+    KEEP (*crtbegin*.o(.ctors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+    __CTOR_END = .; 
+  } > ram
+
+  .dtor ALIGN(4) : 
+  { 
+    __DTOR_START = .; 
+    KEEP (*crtbegin*.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+    __DTOR_END = .; 
+  } > ram
+
+  .data : 
+  {
+    __DATA_START = .; 
+    *(.data_4) *(.data_2) *(.data_1) *(.data) *(.data.*) *(.gnu.linkonce.d.*) 
+    *(.eh_frame_hdr)
+    *(.eh_frame)
+    *(.gcc_except_table)
+    *(.got.plt) *(.got)
+    __DATA_END = .; 
+  } > ram
+
+.got            :
+    {
+          *(.got)
+    } > ram
+    .got.plt        :
+     {
+         *(.got.plt)
+     } > ram
+
+  .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);