--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/mips/netbsd.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,202 @@
+/* Definitions of target machine for GNU compiler, for MIPS NetBSD systems.
+   Copyright (C) 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
+   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/>.  */
+
+
+/* Define default target values.  */
+
+#undef MACHINE_TYPE
+#if TARGET_ENDIAN_DEFAULT != 0
+#define MACHINE_TYPE "NetBSD/mipseb ELF"
+#else
+#define MACHINE_TYPE "NetBSD/mipsel ELF"
+#endif
+
+#define TARGET_OS_CPP_BUILTINS()			\
+  do							\
+    {							\
+      NETBSD_OS_CPP_BUILTINS_ELF();			\
+      builtin_define ("__NO_LEADING_UNDERSCORES__");	\
+      builtin_define ("__GP_SUPPORT__");		\
+      if (TARGET_LONG64)				\
+	builtin_define ("__LONG64");			\
+							\
+      if (TARGET_ABICALLS)				\
+	builtin_define ("__ABICALLS__");		\
+							\
+      if (mips_abi == ABI_EABI)				\
+	builtin_define ("__mips_eabi");			\
+      else if (mips_abi == ABI_N32)			\
+	builtin_define ("__mips_n32");			\
+      else if (mips_abi == ABI_64)			\
+	builtin_define ("__mips_n64");			\
+      else if (mips_abi == ABI_O64)			\
+	builtin_define ("__mips_o64");			\
+    }							\
+  while (0)
+
+/* The generic MIPS TARGET_CPU_CPP_BUILTINS are incorrect for NetBSD.
+   Specifically, they define too many namespace-invasive macros.  Override
+   them here.  Note this is structured for easy comparison to the version
+   in mips.h.
+
+   FIXME: This probably isn't the best solution.  But in the absence
+   of something better, it will have to do, for now.  */
+
+#undef TARGET_CPU_CPP_BUILTINS
+#define TARGET_CPU_CPP_BUILTINS()				\
+  do								\
+    {								\
+      builtin_assert ("cpu=mips");				\
+      builtin_define ("__mips__");				\
+      builtin_define ("_mips");					\
+								\
+      /* No _R3000 or _R4000.  */				\
+      if (TARGET_64BIT)						\
+	builtin_define ("__mips64");				\
+								\
+      if (TARGET_FLOAT64)					\
+	builtin_define ("__mips_fpr=64");			\
+      else							\
+	builtin_define ("__mips_fpr=32");			\
+								\
+      if (TARGET_MIPS16)					\
+	builtin_define ("__mips16");				\
+								\
+      MIPS_CPP_SET_PROCESSOR ("_MIPS_ARCH", mips_arch_info);	\
+      MIPS_CPP_SET_PROCESSOR ("_MIPS_TUNE", mips_tune_info);	\
+								\
+      if (ISA_MIPS1)						\
+	builtin_define ("__mips=1");				\
+      else if (ISA_MIPS2)					\
+	builtin_define ("__mips=2");				\
+      else if (ISA_MIPS3)					\
+	builtin_define ("__mips=3");				\
+      else if (ISA_MIPS4)					\
+	builtin_define ("__mips=4");				\
+      else if (ISA_MIPS32)					\
+	{							\
+	  builtin_define ("__mips=32");				\
+	  builtin_define ("__mips_isa_rev=1");			\
+	}							\
+      else if (ISA_MIPS32R2)					\
+	{							\
+	  builtin_define ("__mips=32");				\
+	  builtin_define ("__mips_isa_rev=2");			\
+	}							\
+      else if (ISA_MIPS64)					\
+	{							\
+	  builtin_define ("__mips=64");				\
+	  builtin_define ("__mips_isa_rev=1");			\
+	}							\
+								\
+      if (TARGET_HARD_FLOAT)					\
+	builtin_define ("__mips_hard_float");			\
+      else if (TARGET_SOFT_FLOAT)				\
+	builtin_define ("__mips_soft_float");			\
+								\
+      if (TARGET_SINGLE_FLOAT)					\
+	builtin_define ("__mips_single_float");			\
+								\
+      if (TARGET_BIG_ENDIAN)					\
+	builtin_define ("__MIPSEB__");				\
+      else							\
+	builtin_define ("__MIPSEL__");				\
+								\
+      /* No language dialect defines.  */			\
+								\
+      /* ABIs handled in TARGET_OS_CPP_BUILTINS.  */		\
+    }								\
+  while (0)
+
+
+/* Clean up after the generic MIPS/ELF configuration.  */
+#undef MD_EXEC_PREFIX
+#undef MD_STARTFILE_PREFIX
+
+/* Extra specs we need.  */
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS						\
+  { "netbsd_cpp_spec",		NETBSD_CPP_SPEC },			\
+  { "netbsd_link_spec",		NETBSD_LINK_SPEC_ELF },			\
+  { "netbsd_entry_point",	NETBSD_ENTRY_POINT },
+
+/* Provide a SUBTARGET_CPP_SPEC appropriate for NetBSD.  */
+
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "%(netbsd_cpp_spec)"
+
+/* Provide a LINK_SPEC appropriate for a NetBSD/mips target.
+   This is a copy of LINK_SPEC from <netbsd-elf.h> tweaked for
+   the MIPS target.  */
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{EL:-m elf32lmip} \
+   %{EB:-m elf32bmip} \
+   %(endian_spec) \
+   %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips32r2} %{mips64} \
+   %{bestGnum} %{call_shared} %{no_archive} %{exact_version} \
+   %(netbsd_link_spec)"
+
+#define NETBSD_ENTRY_POINT "__start"
+
+#undef SUBTARGET_ASM_SPEC
+#define SUBTARGET_ASM_SPEC \
+  "%{!mno-abicalls: \
+     %{!fno-PIC:%{!fno-pic:-KPIC}}}"
+
+
+/* -G is incompatible with -KPIC which is the default, so only allow objects
+   in the small data section if the user explicitly asks for it.  */
+
+#undef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 0
+
+
+/* This defines which switch letters take arguments.  -G is a MIPS
+   special.  */
+
+#undef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR)						\
+  (DEFAULT_SWITCH_TAKES_ARG (CHAR)					\
+   || (CHAR) == 'R'							\
+   || (CHAR) == 'G')
+
+
+#undef ASM_FINAL_SPEC
+#undef SET_ASM_OP
+
+
+/* NetBSD hasn't historically provided _flush_cache(), but rather
+   _cacheflush(), which takes the same arguments as the former.  */
+#undef CACHE_FLUSH_FUNC
+#define CACHE_FLUSH_FUNC "_cacheflush"
+
+
+/* Make gcc agree with <machine/ansi.h> */
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef WINT_TYPE
+#define WINT_TYPE "int"