I have no objections to this if the release managers agree.
R.
On 22/02/13 15:40, Sebastian Huber wrote:
2013-02-22 Sebastian Huber <sebastian.hu...@embedded-brains.de>
* config.gcc (arm*-*-rtemself*): New.
(arm*-*-rtems*): Removed.
(arm*-*-eabi* | arm*-*-symbianelf*): Add (arm*-*-rtems*).
* config/arm/rtems-eabi.h: New file.
* config/arm/t-rtems-eabi: New file.
---
gcc/config.gcc | 16 ++++++++++------
gcc/config/arm/rtems-eabi.h | 29 +++++++++++++++++++++++++++++
gcc/config/arm/t-rtems-eabi | 8 ++++++++
3 files changed, 47 insertions(+), 6 deletions(-)
create mode 100644 gcc/config/arm/rtems-eabi.h
create mode 100644 gcc/config/arm/t-rtems-eabi
diff --git a/gcc/config.gcc b/gcc/config.gcc
index fdbe321..35d502b 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -870,7 +870,12 @@ arm*-*-ecos-elf)
tmake_file="arm/t-arm arm/t-arm-elf"
tmake_file="${tmake_file} arm/t-arm-softfp soft-fp/t-softfp"
;;
-arm*-*-eabi* | arm*-*-symbianelf* )
+arm*-*-rtemself*)
+ tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h
arm/rtems-elf.h rtems.h newlib-stdint.h"
+ tmake_file="arm/t-arm arm/t-arm-elf t-rtems arm/t-rtems"
+ tmake_file="${tmake_file} arm/t-arm-softfp soft-fp/t-softfp"
+ ;;
+arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*)
# The BPABI long long divmod functions return a 128-bit value in
# registers r0-r3. Correctly modeling that requires the use of
# TImode.
@@ -885,6 +890,10 @@ arm*-*-eabi* | arm*-*-symbianelf* )
tmake_file="${tmake_file} arm/t-bpabi"
use_gcc_stdint=wrap
;;
+ arm*-*-rtems*)
+ tm_file="${tm_file} rtems.h arm/rtems-eabi.h newlib-stdint.h"
+ tmake_file="${tmake_file} arm/t-bpabi t-rtems arm/t-rtems-eabi"
+ ;;
arm*-*-symbianelf*)
tm_file="${tm_file} arm/symbian.h"
# We do not include t-bpabi for Symbian OS because the system
@@ -895,11 +904,6 @@ arm*-*-eabi* | arm*-*-symbianelf* )
tm_file="${tm_file} arm/aout.h arm/arm.h"
tmake_file="${tmake_file} arm/t-arm-softfp soft-fp/t-softfp"
;;
-arm*-*-rtems*)
- tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h
arm/rtems-elf.h rtems.h newlib-stdint.h"
- tmake_file="arm/t-arm arm/t-arm-elf t-rtems arm/t-rtems"
- tmake_file="${tmake_file} arm/t-arm-softfp soft-fp/t-softfp"
- ;;
arm*-*-elf)
tm_file="dbxelf.h elfos.h newlib-stdint.h arm/unknown-elf.h arm/elf.h
arm/aout.h arm/arm.h"
tmake_file="arm/t-arm arm/t-arm-elf"
diff --git a/gcc/config/arm/rtems-eabi.h b/gcc/config/arm/rtems-eabi.h
new file mode 100644
index 0000000..ced98a9
--- /dev/null
+++ b/gcc/config/arm/rtems-eabi.h
@@ -0,0 +1,29 @@
+/* Definitions for RTEMS based ARM systems using EABI.
+ Copyright (C) 2011 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"); \
+ TARGET_BPABI_CPP_BUILTINS(); \
+ } while (0)
diff --git a/gcc/config/arm/t-rtems-eabi b/gcc/config/arm/t-rtems-eabi
new file mode 100644
index 0000000..f0e714a
--- /dev/null
+++ b/gcc/config/arm/t-rtems-eabi
@@ -0,0 +1,8 @@
+# Custom RTEMS EABI multilibs
+
+MULTILIB_OPTIONS = mthumb march=armv6-m/march=armv7/march=armv7-m
+MULTILIB_DIRNAMES = thumb armv6-m armv7 armv7-m
+MULTILIB_EXCEPTIONS = march=armv6-m march=armv7 march=armv7-m
+MULTILIB_MATCHES =
+MULTILIB_EXCLUSIONS =
+MULTILIB_OSDIRNAMES =
