--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/m68k/m68kemb.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,53 @@
+/* Definitions of target machine for GNU compiler.  "embedded" 68XXX.
+   This is meant to be included after m68k.h.
+   Copyright (C) 1994, 1995, 1998, 1999, 2004, 2006
+   Free Software Foundation, Inc.  */
+
+/* Override the SVR4 ABI for this target.  */
+
+#define PTRDIFF_TYPE "long int"
+#define SIZE_TYPE "long unsigned int"
+
+/* In order for bitfields to work on a 68000, or with -mnobitfield, we must
+   define either PCC_BITFIELD_TYPE_MATTERS or STRUCTURE_SIZE_BOUNDARY.
+   Defining STRUCTURE_SIZE_BOUNDARY results in structure packing problems,
+   so we define PCC_BITFIELD_TYPE_MATTERS.  */
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+/* Don't default to pcc-struct-return, so that we can return small structures
+   and unions in registers, which is slightly more efficient.  */
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
+#undef FUNCTION_VALUE
+#define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE))
+
+#undef LIBCALL_VALUE
+#define LIBCALL_VALUE(MODE)					\
+  m68k_libcall_value (MODE)
+
+#undef FUNCTION_VALUE_REGNO_P
+#define FUNCTION_VALUE_REGNO_P(N)			\
+  ((N) == D0_REG || (TARGET_68881 && (N) == FP0_REG))
+
+#undef NEEDS_UNTYPED_CALL
+#define NEEDS_UNTYPED_CALL 1
+
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+      builtin_define ("__embedded__");		\
+    }						\
+  while (0)
+
+/* Override the default LIB_SPEC from gcc.c.  We don't currently support
+   profiling, or libg.a.  */
+
+#undef  LIB_SPEC
+#define LIB_SPEC "-lc"
+
+/* Make this be null, since we want the crt0.o to come from the linker
+   script */
+
+#undef  STARTFILE_SPEC
+#define STARTFILE_SPEC ""