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diff --git a/gcc/config/i386/sol2-10.h b/gcc/config/i386/sol2-10.h
new file mode 100644
index 00000000..6e7f13d8
--- /dev/null
+++ b/gcc/config/i386/sol2-10.h
@@ -0,0 +1,124 @@
+/* Solaris 10 configuration.
+   Copyright (C) 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Contributed by CodeSourcery, LLC.
+
+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/>.  */
+
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START "/"
+
+/* binutils' GNU as understands --32 and --64, but the native Solaris
+   assembler requires -xarch=generic or -xarch=generic64 instead.  */
+#undef ASM_SPEC
+#ifdef USE_GAS
+#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
+		 "%{Wa,*:%*} %{m32:--32} %{m64:--64} -s %(asm_cpu)"
+#else
+#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
+		 "%{Wa,*:%*} %{m32:-xarch=generic} %{m64:-xarch=generic64} " \
+		 "-s %(asm_cpu)"
+#endif
+
+/* The native Solaris assembler can't calculate the difference between
+   symbols in different sections, which causes problems for -fPIC jump
+   tables in .rodata.  */
+#ifndef HAVE_AS_IX86_DIFF_SECT_DELTA
+#undef JUMP_TABLES_IN_TEXT_SECTION
+#define JUMP_TABLES_IN_TEXT_SECTION 1
+
+/* The native Solaris assembler cannot handle the SYMBOL-. syntax, but
+   requires SYMBOL@rel/@rel64 instead.  */
+#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL)	\
+  do {							\
+    fputs (integer_asm_op (SIZE, FALSE), FILE);		\
+    assemble_name (FILE, LABEL);			\
+    fputs (SIZE == 8 ? "@rel64" : "@rel", FILE);	\
+  } while (0)
+#endif
+
+#undef NO_PROFILE_COUNTERS
+
+#undef MCOUNT_NAME
+#define MCOUNT_NAME "_mcount"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef WINT_TYPE
+#define WINT_TYPE (TARGET_64BIT ? "int" : "long int")
+#undef WINT_TYPE_SIZE
+#define WINT_TYPE_SIZE 32
+
+#define SUBTARGET_OVERRIDE_OPTIONS				\
+  do								\
+    {								\
+      if (flag_omit_frame_pointer == 2)				\
+	flag_omit_frame_pointer = 0;				\
+    }								\
+  while (0)
+
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP	\
+				  | MASK_FLOAT_RETURNS)
+
+#define SUBTARGET_OPTIMIZATION_OPTIONS			\
+  do							\
+    {							\
+      if (optimize >= 1)				\
+	target_flags |= MASK_OMIT_LEAF_FRAME_POINTER;	\
+    }							\
+  while (0)
+
+#define MULTILIB_DEFAULTS { "m32" }
+
+#undef LINK_ARCH64_SPEC_BASE
+#define LINK_ARCH64_SPEC_BASE \
+  "%{G:-G} \
+   %{YP,*} \
+   %{R*} \
+   %{compat-bsd: \
+     %{!YP,*:%{p|pg:-Y P,/usr/ucblib/64:/usr/lib/libp/64:/lib/64:/usr/lib/64} \
+             %{!p:%{!pg:-Y P,/usr/ucblib/64:/lib:/usr/lib/64}}} \
+             -R /usr/ucblib/64} \
+   %{!compat-bsd: \
+     %{!YP,*:%{p|pg:-Y P,/usr/lib/libp/64:/lib/64:/usr/lib/64} \
+             %{!p:%{!pg:-Y P,/lib/64:/usr/lib/64}}}}"
+
+#undef LINK_ARCH64_SPEC
+#define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE
+
+#ifdef TARGET_GNU_LD
+#define TARGET_LD_EMULATION "%{m64:-m elf_x86_64}%{!m64:-m elf_i386} "
+#else
+#define TARGET_LD_EMULATION ""
+#endif
+
+#undef LINK_ARCH_SPEC
+#define LINK_ARCH_SPEC TARGET_LD_EMULATION \
+		       "%{m64:" LINK_ARCH64_SPEC "}%{!m64:" LINK_ARCH32_SPEC "}"
+
+/* We do not need to search a special directory for startup files.  */
+#undef MD_STARTFILE_PREFIX
+
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section
+
+#undef SUBTARGET_RETURN_IN_MEMORY
+#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
+	ix86_sol10_return_in_memory (TYPE, FNTYPE)