--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/netbsd.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,229 @@
+/* Base configuration file for all NetBSD targets.
+   Copyright (C) 1997, 1998, 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/>.  */
+
+/* TARGET_OS_CPP_BUILTINS() common to all NetBSD targets.  */
+#define NETBSD_OS_CPP_BUILTINS_COMMON()		\
+  do						\
+    {						\
+      builtin_define ("__NetBSD__");		\
+      builtin_define ("__unix__");		\
+      builtin_assert ("system=bsd");		\
+      builtin_assert ("system=unix");		\
+      builtin_assert ("system=NetBSD");		\
+    }						\
+  while (0)
+
+/* CPP_SPEC parts common to all NetBSD targets.  */
+#define NETBSD_CPP_SPEC				\
+  "%{posix:-D_POSIX_SOURCE} \
+   %{pthread:-D_REENTRANT -D_PTHREADS}"
+
+/* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD
+   source tree so it can be configured appropriately without using
+   the GNU configure/build mechanism.  */
+
+#ifdef NETBSD_NATIVE
+
+/* Look for the include files in the system-defined places.  */
+
+#undef GPLUSPLUS_INCLUDE_DIR
+#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
+
+#undef GCC_INCLUDE_DIR
+#define GCC_INCLUDE_DIR "/usr/include"
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS			\
+  {						\
+    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },	\
+    { GCC_INCLUDE_DIR, "GCC", 0, 0 },		\
+    { 0, 0, 0, 0 }				\
+  }
+
+/* Under NetBSD, the normal location of the compiler back ends is the
+   /usr/libexec directory.  */
+
+#undef STANDARD_EXEC_PREFIX
+#define STANDARD_EXEC_PREFIX		"/usr/libexec/"
+
+/* Under NetBSD, the normal location of the various *crt*.o files is the
+   /usr/lib directory.  */
+
+#undef STANDARD_STARTFILE_PREFIX
+#define STANDARD_STARTFILE_PREFIX	"/usr/lib/"
+
+#endif /* NETBSD_NATIVE */
+
+
+/* Provide a LIB_SPEC appropriate for NetBSD.  Here we:
+
+   1. Select the appropriate set of libs, depending on whether we're
+      profiling.
+
+   2. Include the pthread library if -pthread is specified (only
+      if threads are enabled).
+
+   3. Include the posix library if -posix is specified.
+
+   FIXME: Could eliminate the duplication here if we were allowed to
+   use string concatenation.  */
+
+#ifdef NETBSD_ENABLE_PTHREADS
+#define NETBSD_LIB_SPEC		\
+  "%{pthread:			\
+     %{!p:			\
+       %{!pg:-lpthread}}	\
+     %{p:-lpthread_p}		\
+     %{pg:-lpthread_p}}		\
+   %{posix:			\
+     %{!p:			\
+       %{!pg:-lposix}}		\
+     %{p:-lposix_p}		\
+     %{pg:-lposix_p}}		\
+   %{!shared:			\
+     %{!symbolic:		\
+       %{!p:			\
+	 %{!pg:-lc}}		\
+       %{p:-lc_p}		\
+       %{pg:-lc_p}}}"
+#else
+#define NETBSD_LIB_SPEC		\
+  "%{posix:			\
+     %{!p:			\
+       %{!pg:-lposix}}		\
+     %{p:-lposix_p}		\
+     %{pg:-lposix_p}}		\
+   %{!shared:			\
+     %{!symbolic:		\
+       %{!p:			\
+	 %{!pg:-lc}}		\
+       %{p:-lc_p}		\
+       %{pg:-lc_p}}}"
+#endif
+
+#undef LIB_SPEC
+#define LIB_SPEC NETBSD_LIB_SPEC
+
+/* Provide a LIBGCC_SPEC appropriate for NetBSD.  We also want to exclude
+   libgcc with -symbolic.  */
+
+#ifdef NETBSD_NATIVE
+#define NETBSD_LIBGCC_SPEC	\
+  "%{!symbolic:			\
+     %{!shared:			\
+       %{!p:			\
+	 %{!pg: -lgcc}}}	\
+     %{shared: -lgcc_pic}	\
+     %{p: -lgcc_p}		\
+     %{pg: -lgcc_p}}"
+#else
+#define NETBSD_LIBGCC_SPEC "%{!shared:%{!symbolic: -lgcc}}"
+#endif
+
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC NETBSD_LIBGCC_SPEC
+
+/* When building shared libraries, the initialization and finalization 
+   functions for the library are .init and .fini respectively.  */
+
+#define COLLECT_SHARED_INIT_FUNC(STREAM,FUNC)				\
+  do {									\
+    fprintf ((STREAM), "void __init() __asm__ (\".init\");");		\
+    fprintf ((STREAM), "void __init() {\n\t%s();\n}\n", (FUNC));	\
+  } while (0)
+
+#define COLLECT_SHARED_FINI_FUNC(STREAM,FUNC)				\
+  do {									\
+    fprintf ((STREAM), "void __fini() __asm__ (\".fini\");");		\
+    fprintf ((STREAM), "void __fini() {\n\t%s();\n}\n", (FUNC));	\
+  } while (0)
+
+#undef TARGET_POSIX_IO
+#define TARGET_POSIX_IO
+
+/* Handle #pragma weak and #pragma pack.  */
+
+#define HANDLE_SYSV_PRAGMA 1
+
+/* Don't assume anything about the header files.  */
+#undef  NO_IMPLICIT_EXTERN_C
+#define NO_IMPLICIT_EXTERN_C    1
+
+/* Define some types that are the same on all NetBSD platforms,
+   making them 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"
+
+
+/* Attempt to turn on execute permission for the stack.  This may be
+   used by INITIALIZE_TRAMPOLINE of the target needs it (that is,
+   if the target machine can change execute permissions on a page).
+
+   There is no way to query the execute permission of the stack, so
+   we always issue the mprotect() call.
+
+   Note that we go out of our way to use namespace-non-invasive calls
+   here.  Unfortunately, there is no libc-internal name for mprotect().
+
+   Also note that no errors should be emitted by this code; it is considered
+   dangerous for library calls to send messages to stdout/stderr.  */
+
+#define NETBSD_ENABLE_EXECUTE_STACK					\
+extern void __enable_execute_stack (void *);				\
+void									\
+__enable_execute_stack (void *addr)					\
+{									\
+  extern int mprotect (void *, size_t, int);				\
+  extern int __sysctl (int *, unsigned int, void *, size_t *,		\
+		       void *, size_t);					\
+									\
+  static int size;							\
+  static long mask;							\
+									\
+  char *page, *end;							\
+									\
+  if (size == 0)							\
+    {									\
+      int mib[2];							\
+      size_t len;							\
+									\
+      mib[0] = 6; /* CTL_HW */						\
+      mib[1] = 7; /* HW_PAGESIZE */					\
+      len = sizeof (size);						\
+      (void) __sysctl (mib, 2, &size, &len, NULL, 0);			\
+      mask = ~((long) size - 1);					\
+    }									\
+									\
+  page = (char *) (((long) addr) & mask);				\
+  end  = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size);	\
+									\
+  /* 7 == PROT_READ | PROT_WRITE | PROT_EXEC */				\
+  (void) mprotect (page, end - page, 7);				\
+}
+
+/* Define this so we can compile MS code for use with WINE.  */
+#define HANDLE_PRAGMA_PACK_PUSH_POP 1