This patch adds the microblaze-*-rtems* target to gcc.
OK to apply?
2012-05-07 Joel Sherrill <joel.sherr...@oarcorp.com>
* config.gcc (microblaze-*-rtems*): New target.
* config/microblaze/rtems.h: New file
--
Joel Sherrill, Ph.D. Director of Research& Development
joel.sherr...@oarcorp.com On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985
Index: gcc/config.gcc
===================================================================
--- gcc/config.gcc (revision 187223)
+++ gcc/config.gcc (working copy)
@@ -1700,6 +1700,12 @@
c_target_objs="${c_target_objs} microblaze-c.o"
cxx_target_objs="${cxx_target_objs} microblaze-c.o"
;;
+microblaze-*-rtems*)
+ tm_file="${tm_file} dbxelf.h microblaze/rtems.h rtems.h newlib-stdint.h"
+ c_target_objs="${c_target_objs} microblaze-c.o"
+ cxx_target_objs="${cxx_target_objs} microblaze-c.o"
+ tmake_file="${tmake_file} microblaze/t-microblaze t-rtems"
+ ;;
microblaze*-*-*)
tm_file="${tm_file} dbxelf.h"
c_target_objs="${c_target_objs} microblaze-c.o"
Index: gcc/config/microblaze/rtems.h
===================================================================
--- gcc/config/microblaze/rtems.h (revision 0)
+++ gcc/config/microblaze/rtems.h (revision 0)
@@ -0,0 +1,42 @@
+/* Definitions for rtems targeting a Microblaze using ELF.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (j...@oarcorp.com).
+
+This file is part of GCC.
+
+GCC 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, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* Target OS builtins. */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__rtems__"); \
+ builtin_assert ("system=rtems"); \
+ } \
+ while (0)
+
+/* Use the default */
+#undef LINK_GCC_C_SEQUENCE_SPEC
+
+/* Extra switches sometimes passed to the linker. */
+/* -xl-mode-xmdstub translated to -Zxl-mode-xmdstub -- deprecated. */
+/* RTEMS: Remove use of xilinx.ld but keep other parts for compatibility */
+#undef LINK_SPEC
+#define LINK_SPEC "%{shared:-shared} -N -relax \
+ %{Zxl-mode-xmdstub:-defsym _TEXT_START_ADDR=0x800} \
+ %{mxl-mode-xmdstub:-defsym _TEXT_START_ADDR=0x800} \
+ %{mxl-gp-opt:%{G*}} %{!mxl-gp-opt: -G 0}"
+
