[PATCH 2/3] Add x86_64-*-rtems* target

Joel Sherrill joel@rtems.org
Thu Feb 25 20:49:00 GMT 2016


        * gcc/config.gcc, libgcc/config.host: Add x86_64-*-rtems*.
        * gcc/config/i386/rtems-64.h: New file.
---
 gcc/config.gcc             |  3 +++
 gcc/config/i386/rtems-64.h | 30 ++++++++++++++++++++++++++++++
 libgcc/config.host         |  2 +-
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 gcc/config/i386/rtems-64.h

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 3b280e0..4cc6438 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1421,6 +1421,9 @@ i[34567]86-*-elf*)
 x86_64-*-elf*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
 	;;
+x86_64-*-rtems*)
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h i386/rtems-64.h"
+	;;
 i[34567]86-*-rdos*)
     tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
     ;;
diff --git a/gcc/config/i386/rtems-64.h b/gcc/config/i386/rtems-64.h
new file mode 100644
index 0000000..b087d44
--- /dev/null
+++ b/gcc/config/i386/rtems-64.h
@@ -0,0 +1,30 @@
+/* Definitions for rtems targeting an x86_64
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (joel@OARcorp.com).
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* Specify predefined symbols in preprocessor.  */
+
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define ("__rtems__");		\
+	builtin_define ("__USE_INIT_FINI__");	\
+	builtin_assert ("system=rtems");	\
+    }						\
+  while (0)
diff --git a/libgcc/config.host b/libgcc/config.host
index 1f85c46..b61a579 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -577,7 +577,7 @@ i[34567]86-*-elfiamcu)
 i[34567]86-*-elf*)
 	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
 	;;
-x86_64-*-elf*)
+x86_64-*-elf* | x86_64-*-rtems*)
 	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
 	;;
 i[34567]86-*-dragonfly*)
-- 
1.8.3.1



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