Patch for GCC-core 4.6.0 ARM eCos EABI with Objective-C support

gcc.patch

diff -urN a/gcc/config/arm/ecos-eabi.h b/gcc/config/arm/ecos-eabi.h
--- a/gcc/config/arm/ecos-eabi.h	1970-01-01 01:00:00.000000000 +0100
+++ b/gcc/config/arm/ecos-eabi.h	2011-04-04 23:46:26.000000000 +0200
@@ -0,0 +1,34 @@
+/* Definitions for ecos based ARM systems using ELF
+   Copyright (C) 1998, 2001, 2007 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/>.  */
+
+/* Run-time Target Specification.  */
+#undef  TARGET_VERSION
+#define TARGET_VERSION    fputs (" (ARM/EABI Ecos)", stderr);
+
+#undef TARGET_OS_CPP_BUILTINS
+#undef TARGET_BPABI_CPP_BUILTINS
+#define TARGET_BPABI_CPP_BUILTINS()    \
+    do {                            \
+    builtin_define ("__ecos__");    \
+    builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
+    builtin_assert ("system=ecos"); \
+    } while (0)
+
+#define TARGET_OS_CPP_BUILTINS() \
+  TARGET_BPABI_CPP_BUILTINS()
diff -urN a/gcc/config/arm/t-arm-elf b/gcc/config/arm/t-arm-elf
--- a/gcc/config/arm/t-arm-elf	2011-01-03 21:52:22.000000000 +0100
+++ b/gcc/config/arm/t-arm-elf	2011-04-04 23:46:26.000000000 +0200
@@ -71,8 +71,8 @@
 # MULTILIB_DIRNAMES   += fpu soft
 # MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*
 # 
-# MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
-# MULTILIB_DIRNAMES   += normal interwork
+MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+MULTILIB_DIRNAMES   += normal interwork
 # 
 # MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
 # MULTILIB_DIRNAMES   += elf under
diff -urN a/gcc/config.gcc b/gcc/config.gcc
--- a/gcc/config.gcc	2011-03-14 07:05:29.000000000 +0100
+++ b/gcc/config.gcc	2011-04-04 23:46:26.000000000 +0200
@@ -879,6 +879,11 @@
 	tm_file="$tm_file ../../libgcc/config/arm/bpabi-lib.h"
 	tmake_file="arm/t-arm arm/t-arm-elf"
 	case ${target} in
+	arm*-ecos-eabi*)
+	  tm_file="$tm_file newlib-stdint.h arm/ecos-eabi.h"
+	  tmake_file="${tmake_file} arm/t-bpabi"
+	  use_gcc_stdint=wrap
+	  ;;
 	arm*-*-eabi*)
 	  tm_file="$tm_file newlib-stdint.h"
 	  tmake_file="${tmake_file} arm/t-bpabi"