--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/ia64/linux.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,71 @@
+/* Definitions for ia64-linux target.  */
+
+/* This macro is a C statement to print on `stderr' a string describing the
+   particular machine description choice.  */
+
+#define TARGET_VERSION fprintf (stderr, " (IA-64) Linux");
+
+/* This is for -profile to use -lc_p instead of -lc.  */
+#undef CC1_SPEC
+#define CC1_SPEC "%{profile:-p} %{G*}"
+
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+do {						\
+	LINUX_TARGET_OS_CPP_BUILTINS();		\
+	builtin_define("_LONGLONG");		\
+} while (0)
+
+/* Need to override linux.h STARTFILE_SPEC, since it has crtbeginT.o in.  */
+#undef STARTFILE_SPEC
+#ifdef HAVE_LD_PIE
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}}\
+   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
+
+/* Similar to standard Linux, but adding -ffast-math support.  */
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
+   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+
+/* Define this for shared library support because it isn't in the main
+   linux.h file.  */
+
+#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2"
+
+#undef LINK_SPEC
+#define LINK_SPEC "\
+  %{shared:-shared} \
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
+      %{static:-static}}"
+
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+
+#define JMP_BUF_SIZE  76
+
+/* Override linux.h LINK_EH_SPEC definition.
+   Signalize that because we have fde-glibc, we don't need all C shared libs
+   linked against -lgcc_s.  */
+#undef LINK_EH_SPEC
+#define LINK_EH_SPEC ""
+
+#define MD_UNWIND_SUPPORT "config/ia64/linux-unwind.h"
+
+/* Put all *tf routines in libgcc.  */
+#undef LIBGCC2_HAS_TF_MODE
+#define LIBGCC2_HAS_TF_MODE 1
+#undef LIBGCC2_TF_CEXT
+#define LIBGCC2_TF_CEXT q
+#define TF_SIZE 113
+
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS ia64_soft_fp_init_libfuncs