---
gcc/ChangeLog | 6 ++++++
gcc/config.gcc | 6 +++++-
gcc/config/nios2/rtems.h | 33 +++++++++++++++++++++++++++++++++
gcc/config/nios2/t-rtems | 3 +++
4 files changed, 47 insertions(+), 1 deletion(-)
create mode 100644 gcc/config/nios2/rtems.h
create mode 100644 gcc/config/nios2/t-rtems
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f3a404f..607b915 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-07-17 Joel Sherrill <joel.sherr...@oarcorp.com>
+
+ * config.gcc: Add nios2-*-rtems*.
+ * config/nios2/rtems.h: New file.
+ * gcc/config/nios2/t-rtems: New file.
+
2014-07-16 David Wohlferd <d...@limegreensocks.com>
PR target/61662
diff --git a/gcc/config.gcc b/gcc/config.gcc
index cfb5014..de216f8 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -419,7 +419,7 @@ nds32*)
nios2-*-*)
cpu_type=nios2
extra_options="${extra_options} g.opt"
- ;;
+ ;;
picochip-*-*)
cpu_type=picochip
;;
@@ -2137,6 +2137,10 @@ nios2-*-*)
tm_file="${tm_file} newlib-stdint.h nios2/elf.h"
extra_options="${extra_options} nios2/elf.opt"
;;
+ nios2-*-rtems*)
+ tm_file="${tm_file} nios2/rtems.h rtems.h"
+ tmake_file="${tmake_file} t-rtems nios2/t-rtems"
+ ;;
esac
;;
pdp11-*-*)
diff --git a/gcc/config/nios2/rtems.h b/gcc/config/nios2/rtems.h
new file mode 100644
index 0000000..cc5b5d6
--- /dev/null
+++ b/gcc/config/nios2/rtems.h
@@ -0,0 +1,33 @@
+/* Definitions for rtems targeting a NIOS2 using ELF.
+ Contributed by Chris Johns (chr...@rtems.org).
+
+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/>. */
+
+/* Specify predefined symbols in preprocessor. */
+#define TARGET_OS_CPP_BUILTINS() \
+do { \
+ builtin_define ("__rtems__"); \
+ builtin_define ("__USE_INIT_FINI__"); \
+ builtin_assert ("system=rtems"); \
+} while (0)
+
+/* This toolchain implements the ABI for Linux Systems documented in the
+ Nios II Processor Reference Handbook.
+
+ This is done so RTEMS targets have Thread Local Storage like Linux. */
+#define TARGET_LINUX_ABI 1
+
diff --git a/gcc/config/nios2/t-rtems b/gcc/config/nios2/t-rtems
new file mode 100644
index 0000000..48dce34
--- /dev/null
+++ b/gcc/config/nios2/t-rtems
@@ -0,0 +1,3 @@
+# Multilibs for NIOS2 RTEMS targets.
+
+# Use all.
--
1.9.3
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