[PATCH 1/3] Add aarch64-*-rtems* target

[PATCH 1/3] Add aarch64-*-rtems* target

[Joel Sherrill]

	* gcc/config.gcc, libgcc/config.host: Add aarch64-*-rtems*.
	* gcc/config/aarch64/rtems.h: New file.
---
 gcc/config.gcc             | 11 +++++++++--
 gcc/config/aarch64/rtems.h | 28 ++++++++++++++++++++++++++++
 libgcc/config.host         |  2 +-
 3 files changed, 38 insertions(+), 3 deletions(-)
 create mode 100644 gcc/config/aarch64/rtems.h

diff --git a/gcc/config.gcc b/gcc/config.gcc
index e26742e..3b280e0 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -906,11 +906,18 @@ case ${target} in
 esac
 
 case ${target} in
-aarch64*-*-elf)
+aarch64*-*-elf | aarch64*-*-rtems*)
 	tm_file="${tm_file} dbxelf.h elfos.h newlib-stdint.h"
 	tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-elf-raw.h"
 	tmake_file="${tmake_file} aarch64/t-aarch64"
-	use_gcc_stdint=wrap
+	case $target in
+	aarch64-*-elf*)
+		use_gcc_stdint=wrap
+		;;
+	aarch64-*-rtems*)
+	  	tm_file="${tm_file} rtems.h aarch64/rtems.h"
+		;;
+	esac
 	case $target in
 	aarch64_be-*)
 		tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
diff --git a/gcc/config/aarch64/rtems.h b/gcc/config/aarch64/rtems.h
new file mode 100644
index 0000000..a166034
--- /dev/null
+++ b/gcc/config/aarch64/rtems.h
@@ -0,0 +1,28 @@
+/* Definitions for RTEMS based AARCH64 system.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+ 
+   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/>.  */
+
+#define HAS_INIT_SECTION
+
+#undef TARGET_OS_CPP_BUILTINS
+#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 ef7dfd0..1f85c46 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -327,7 +327,7 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
 esac
 
 case ${host} in
-aarch64*-*-elf)
+aarch64*-*-elf | aarch64*-*-rtems*)
 	extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o"
 	extra_parts="$extra_parts crtfastmath.o"
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
-- 
1.8.3.1

[PATCH 3/3] contrib/config-list.mk: Add aarch64-rtems and x86_64-rtems

[Joel Sherrill]

	* contrib/config-list.mk: Add aarch64-rtems and x86_64-rtems
---
 contrib/config-list.mk | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/contrib/config-list.mk b/contrib/config-list.mk
index 0f15464..6a83a84 100644
--- a/contrib/config-list.mk
+++ b/contrib/config-list.mk
@@ -11,7 +11,7 @@ TEST=all-gcc
 # nohup nice make -j25 -l36 -f ../gcc/contrib/config-list.mk > make.out 2>&1 &
 #
 # v850e1-elf is rejected by config.sub
-LIST = aarch64-elf aarch64-linux-gnu \
+LIST = aarch64-elf aarch64-linux-gnu aarch64-rtems \
   alpha-linux-gnu alpha-freebsd6 alpha-netbsd alpha-openbsd \
   alpha64-dec-vms alpha-dec-vms am33_2.0-linux \
   arc-elf32OPT-with-cpu=arc600 arc-elf32OPT-with-cpu=arc700 \
@@ -76,7 +76,8 @@ LIST = aarch64-elf aarch64-linux-gnu \
   x86_64-pc-linux-gnuOPT-with-fpmath=avx \
   x86_64-elfOPT-with-fpmath=sse x86_64-freebsd6 x86_64-netbsd \
   x86_64-knetbsd-gnuOPT-enable-obsolete x86_64-w64-mingw32 \
-  x86_64-mingw32OPT-enable-sjlj-exceptions=yes xstormy16-elf xtensa-elf \
+  x86_64-mingw32OPT-enable-sjlj-exceptions=yes x86_64-rtems \
+  xstormy16-elf xtensa-elf \
   xtensa-linux \
   i686-interix3OPT-enable-obsolete
 
-- 
1.8.3.1

Re: [PATCH 3/3] contrib/config-list.mk: Add aarch64-rtems and x86_64-rtems

[James Greenhalgh]

On Thu, Feb 25, 2016 at 02:49:10PM -0600, Joel Sherrill wrote:
> 	* contrib/config-list.mk: Add aarch64-rtems and x86_64-rtems

The AArch64 part of this is OK.

Thanks,
James

> ---
>  contrib/config-list.mk | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

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

[Joel Sherrill]

        * 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

Re: [PATCH 1/3] Add aarch64-*-rtems* target

[James Greenhalgh]

On Thu, Feb 25, 2016 at 02:49:08PM -0600, Joel Sherrill wrote:
> 	* gcc/config.gcc, libgcc/config.host: Add aarch64-*-rtems*.
> 	* gcc/config/aarch64/rtems.h: New file.

OK.

Thanks,
James

> ---
>  gcc/config.gcc             | 11 +++++++++--
>  gcc/config/aarch64/rtems.h | 28 ++++++++++++++++++++++++++++
>  libgcc/config.host         |  2 +-
>  3 files changed, 38 insertions(+), 3 deletions(-)
>  create mode 100644 gcc/config/aarch64/rtems.h