[linux-unicore] [PATCH binutils 5/5] ld build support
- From: LIU Zhiyou <liuzhiyou.cs@xxxxxxxxx>
- To: gxt@xxxxxxxxxxxxxxx
- Date: Tue, 12 Feb 2013 14:18:35 +0800
Signed-off-by: LIU Zhiyou <liuzhiyou.cs@xxxxxxxxx>
---
ld/Makefile.am | 5 ++++
ld/Makefile.in | 6 ++++
ld/configure.tgt | 1 +
ld/emulparams/elf32unicore32.sh | 7 +++++
ld/emultempl/unicore32elf.em | 61 ++++++++++++++++++++++++++++++++++++++++
ld/scripttempl/elf32unicore32.sc | 13 +++++++++
6 files changed, 93 insertions(+)
create mode 100644 ld/emulparams/elf32unicore32.sh
create mode 100644 ld/emultempl/unicore32elf.em
create mode 100644 ld/scripttempl/elf32unicore32.sc
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 8c14295..9f28965 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -256,6 +256,7 @@ ALL_EMULATION_SOURCES = \
eelf32tilegx.c \
eelf32tilegx_be.c \
eelf32tilepro.c \
+ eelf32unicore32.c \
eelf32vax.c \
eelf32xc16x.c \
eelf32xc16xl.c \
@@ -1199,6 +1200,10 @@ eelf32tilepro.c: $(srcdir)/emulparams/elf32tilepro.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/needrelax.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32tilepro "$(tdir_tilepro)"
+eelf32unicore32.c: $(srcdir)/emulparams/elf32unicore32.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/unicore32elf.em \
+ $(srcdir)/scripttempl/elf32unicore32.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} elf32unicore32 "$(tdir_elf32unicore32)"
eelf32vax.c: $(srcdir)/emulparams/elf32vax.sh \
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32vax "$(tdir_elf32vax)"
diff --git a/ld/Makefile.in b/ld/Makefile.in
index 98e8f0d..27f2ddc 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -563,6 +563,7 @@ ALL_EMULATION_SOURCES = \
eelf32tilegx.c \
eelf32tilegx_be.c \
eelf32tilepro.c \
+ eelf32unicore32.c \
eelf32vax.c \
eelf32xc16x.c \
eelf32xc16xl.c \
@@ -1187,6 +1188,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilegx.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilegx_be.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilepro.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32unicore32.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32vax.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32xc16x.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32xc16xl.Po@am__quote@
@@ -2672,6 +2674,10 @@ eelf32tilepro.c: $(srcdir)/emulparams/elf32tilepro.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/needrelax.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32tilepro "$(tdir_tilepro)"
+eelf32unicore32.c: $(srcdir)/emulparams/elf32unicore32.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/unicore32elf.em \
+ $(srcdir)/scripttempl/elf32unicore32.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} elf32unicore32 "$(tdir_elf32unicore32)"
eelf32vax.c: $(srcdir)/emulparams/elf32vax.sh \
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32vax "$(tdir_elf32vax)"
diff --git a/ld/configure.tgt b/ld/configure.tgt
index 61cc346..150d305 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -718,6 +718,7 @@ tilegxbe-*-*) targ_emul=elf64tilegx_be
targ_extra_emuls="elf64tilegx elf32tilegx
elf32tilegx_be"
targ_extra_libpath=$targ_extra_emuls ;;
tilepro-*-*) targ_emul=elf32tilepro ;;
+unicore32-*-*) targ_emul=elf32unicore32 ;;
v850*-*-*) targ_emul=v850_rh850
targ_extra_emuls=v850
;;
diff --git a/ld/emulparams/elf32unicore32.sh b/ld/emulparams/elf32unicore32.sh
new file mode 100644
index 0000000..a9a2c9c
--- /dev/null
+++ b/ld/emulparams/elf32unicore32.sh
@@ -0,0 +1,7 @@
+SCRIPT_NAME=elf32unicore32
+TEMPLATE_NAME=elf32
+OUTPUT_FORMAT="elf32-unicore32"
+ARCH=unicore32
+ENTRY=_start
+EXTRA_EM_FILE=unicore32elf
+EMBEDDED=yes
diff --git a/ld/emultempl/unicore32elf.em b/ld/emultempl/unicore32elf.em
new file mode 100644
index 0000000..eeac77b
--- /dev/null
+++ b/ld/emultempl/unicore32elf.em
@@ -0,0 +1,61 @@
+# This shell script emits a C file. -*- C -*-
+# Copyright 2013 Free Software Foundation, Inc.
+# Contributed by LIU Zhiyou <liuzhiyou.cs@xxxxxxxxx>
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# This file is sourced from elf32.em, and defines extra cr16-elf
+# specific routines.
+#
+fragment <<EOF
+
+#include "ldctor.h"
+
+/* This function is run after all the input files have been opened. */
+
+static void
+unicore32_elf_after_open (void)
+{
+ /* Call the standard elf routine. */
+ gld${EMULATION_NAME}_after_open ();
+}
+
+static void
+unicore32elf_after_parse (void)
+{
+ after_parse_default ();
+}
+
+/* This is called after the sections have been attached to output
+ sections, but before any sizes or addresses have been set. */
+
+static void
+unicore32elf_before_allocation (void)
+{
+ /* Call the default first. */
+ gld${EMULATION_NAME}_before_allocation ();
+}
+
+EOF
+
+# Put these extra unicore32-elf routines in ld_${EMULATION_NAME}_emulation
+#
+LDEMUL_AFTER_OPEN=unicore32_elf_after_open
+LDEMUL_AFTER_PARSE=unicore32elf_after_parse
+LDEMUL_BEFORE_ALLOCATION=unicore32elf_before_allocation
diff --git a/ld/scripttempl/elf32unicore32.sc b/ld/scripttempl/elf32unicore32.sc
new file mode 100644
index 0000000..0257a55
--- /dev/null
+++ b/ld/scripttempl/elf32unicore32.sc
@@ -0,0 +1,13 @@
+# Linker Script for MPRC's UNICORE32-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 CR16 elf32 files. */
+
+EOF
--
1.8.1.1
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