1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/gcc/config/arm/linux-gas.h b/contrib/gcc/config/arm/linux-gas.h
new file mode 100644
index 000000000000..b4e346dd9ef3
--- /dev/null
+++ b/contrib/gcc/config/arm/linux-gas.h
@@ -0,0 +1,71 @@
+/* Definitions of target machine for GNU compiler.
+   ARM Linux-based GNU systems version.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Contributed by Russell King  <rmk92@ecs.soton.ac.uk>.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* This is how we tell the assembler that a symbol is weak.
+   GAS always supports weak symbols.  */
+
+/* This is used in ASM_FILE_START.  */
+#undef  ARM_OS_NAME
+#define ARM_OS_NAME "Linux"
+
+/* Unsigned chars produces much better code than signed.  */
+#define DEFAULT_SIGNED_CHAR 0
+
+#undef  SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC  "%{posix:-D_POSIX_SOURCE} %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__}"
+
+#undef  SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef  PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef  WCHAR_TYPE
+#define WCHAR_TYPE "long int"
+
+#undef  WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE BITS_PER_WORD
+
+/* Emit code to set up a trampoline and synchronise the caches.  */
+#undef  INITIALIZE_TRAMPOLINE
+#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT)			\
+{									\
+  emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 8)),	\
+		  (CXT));						\
+  emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 12)),	\
+		  (FNADDR));						\
+  emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__clear_cache"),	\
+		     0, VOIDmode, 2, TRAMP, Pmode,			\
+		     plus_constant (TRAMP, TRAMPOLINE_SIZE), Pmode);	\
+}
+
+/* Clear the instruction cache from `beg' to `end'.  This makes an
+   inline system call to SYS_cacheflush.  */
+#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;				\
+  __asm __volatile ("swi 0x9f0002		@ sys_cacheflush"	\
+		    : "=r" (_beg)					\
+		    : "0" (_beg), "r" (_end), "r" (_flg));		\
+}