--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/arm/linux-eabi.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,87 @@
+/* Configuration file for ARM GNU/Linux EABI targets.
+   Copyright (C) 2004, 2005, 2006, 2007
+   Free Software Foundation, Inc.
+   Contributed by CodeSourcery, LLC   
+
+   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/>.  */
+
+/* On EABI GNU/Linux, we want both the BPABI builtins and the
+   GNU/Linux builtins.  */
+#undef  TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() 		\
+  do 						\
+    {						\
+      TARGET_BPABI_CPP_BUILTINS();		\
+      LINUX_TARGET_OS_CPP_BUILTINS();		\
+    }						\
+  while (false)
+
+/* We default to a soft-float ABI so that binaries can run on all
+   target hardware.  */
+#undef  TARGET_DEFAULT_FLOAT_ABI
+#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
+
+/* We default to the "aapcs-linux" ABI so that enums are int-sized by
+   default.  */
+#undef  ARM_DEFAULT_ABI
+#define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX
+
+/* Default to armv5t so that thumb shared libraries work.
+   The ARM10TDMI core is the default for armv5t, so set
+   SUBTARGET_CPU_DEFAULT to achieve this.  */
+#undef  SUBTARGET_CPU_DEFAULT
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+
+/* TARGET_BIG_ENDIAN_DEFAULT is set in
+   config.gcc for big endian configurations.  */
+#undef  TARGET_LINKER_EMULATION
+#if TARGET_BIG_ENDIAN_DEFAULT
+#define TARGET_LINKER_EMULATION "armelfb_linux_eabi"
+#else
+#define TARGET_LINKER_EMULATION "armelf_linux_eabi"
+#endif
+
+#undef  SUBTARGET_EXTRA_LINK_SPEC
+#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION
+
+/* Use ld-linux.so.3 so that it will be possible to run "classic"
+   GNU/Linux binaries on an EABI system.  */
+#undef  GLIBC_DYNAMIC_LINKER
+#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
+
+/* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
+   use the GNU/Linux version, not the generic BPABI version.  */
+#undef  LINK_SPEC
+#define LINK_SPEC LINUX_TARGET_LINK_SPEC
+
+/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
+   do not use -lfloat.  */
+#undef LIBGCC_SPEC
+
+/* Clear the instruction cache from `beg' to `end'.  This makes an
+   inline system call to SYS_cacheflush.  */
+#undef  CLEAR_INSN_CACHE
+#define CLEAR_INSN_CACHE(BEG, END)					\
+{									\
+  register unsigned long _beg __asm ("a1") = (unsigned long) (BEG);	\
+  register unsigned long _end __asm ("a2") = (unsigned long) (END);	\
+  register unsigned long _flg __asm ("a3") = 0;				\
+  register unsigned long _scno __asm ("r7") = 0xf0002;			\
+  __asm __volatile ("swi 0		@ sys_cacheflush"		\
+		    : "=r" (_beg)					\
+		    : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno));	\
+}