Add (linker) support for CR16C processor

7 files changed, 80 insertions, 0 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index d46845d..8943f11 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,13 @@
+2004-03-30  Galit Heller  <Galit.Heller@nsc.com>
+
+	* Makefile.am (ALL_EMULATIONS): Add eelf32cr16c.o.
+	(eelf32cr16c.c): New target.
+	* Makefile.in: Regenerate.
+	* configure.tgt: Handle cr16c-*-elf*.
+	* emulparams/elf32cr16c.sh: New file.
+	* scripttempl/elfcr16c.sc: Likewise
+	* NEWS: Mention support for new target.
+
 2004-03-30  Nick Clifton  <nickc@redhat.com>
 
 	* po/sv.po: Updated Swedish translation.
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 25b1cfb..656ded2 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -149,6 +149,7 @@ ALL_EMULATIONS = \
 	eelf32_i860.o \
 	eelf32_sparc.o \
 	eelf32b4300.o \
+	eelf32cr16c.o \
 	eelf32bmip.o \
 	eelf32bmipn32.o \
 	eelf32btsmip.o \
@@ -629,6 +630,10 @@ eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \
   $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
   $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
 	${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
+eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
+  $(srcdir)/emultempl/elf32.em \
+  $(srcdir)/scripttempl/elf32cr16c.sc ${GEN_DEPENDS}
+	${GENSCRIPTS} elf32cr16c "$(tdir_elf32cr16c)"
 eelf32bmip.c: $(srcdir)/emulparams/elf32bmip.sh \
   $(srcdir)/emultempl/mipself.em \
   $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
diff --git a/ld/Makefile.in b/ld/Makefile.in
index 5a91690..0075163 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -263,6 +263,7 @@ ALL_EMULATIONS = \
 	eelf32_i860.o \
 	eelf32_sparc.o \
 	eelf32b4300.o \
+	eelf32cr16c.o \
 	eelf32bmip.o \
 	eelf32bmipn32.o \
 	eelf32btsmip.o \
@@ -1355,6 +1356,10 @@ eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \
   $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
   $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
 	${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
+eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
+  $(srcdir)/emultempl/elf32.em \
+  $(srcdir)/scripttempl/elf32cr16c.sc ${GEN_DEPENDS}
+	${GENSCRIPTS} elf32cr16c "$(tdir_elf32cr16c)"
 eelf32bmip.c: $(srcdir)/emulparams/elf32bmip.sh \
   $(srcdir)/emultempl/mipself.em \
   $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
diff --git a/ld/NEWS b/ld/NEWS
index 0db0d18..89ff13f 100644
--- a/ld/NEWS
+++ b/ld/NEWS
@@ -1,5 +1,7 @@
 -*- text -*-
 
+* cr16c support added by NSC.
+
 * m32r Linux (ELF) support added by Renesas.
 
 * Improved linker's handling of unresolved symbols.  The switch
diff --git a/ld/configure.tgt b/ld/configure.tgt
index 2c85431..2c3bc48 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -26,6 +26,7 @@ arm-*-pe)		targ_emul=armpe ;
 arc-*-elf*)		targ_emul=arcelf ;;
 avr-*-*)		targ_emul=avr2
 			targ_extra_emuls="avr1 avr3 avr4 avr5" ;;
+cr16c-*-elf*)           targ_emul=elf32cr16c ;;
 cris-*-*aout*)		targ_emul=crisaout
 			targ_extra_emuls="criself crislinux"
 			targ_extra_libpath=$targ_extra_emuls ;;
diff --git a/ld/emulparams/elf32cr16c.sh b/ld/emulparams/elf32cr16c.sh
new file mode 100644
index 0000000..e78e5ed
--- /dev/null
+++ b/ld/emulparams/elf32cr16c.sh
@@ -0,0 +1,5 @@
+SCRIPT_NAME=elf32cr16c
+TEMPLATE_NAME=elf32
+OUTPUT_FORMAT="elf32-cr16c"
+ARCH=cr16c
+ENTRY=_start
diff --git a/ld/scripttempl/elf32cr16c.sc b/ld/scripttempl/elf32cr16c.sc
new file mode 100644
index 0000000..b02edfd
--- /dev/null
+++ b/ld/scripttempl/elf32cr16c.sc
@@ -0,0 +1,52 @@
+# Linker Script for National Semiconductor's CR16C-ELF32.
+
+test -z "$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