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diff --git a/gcc/config/mips/osfrose.h b/gcc/config/mips/osfrose.h
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+/* Definitions of target machine for GNU compiler.
+   DECstation (OSF/1 reference port with OSF/rose) version.
+   Copyright (C) 1991, 1992, 1995, 1996, 1998 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#define DECSTATION
+#define OSF_OS
+
+#define HALF_PIC_DEBUG	TARGET_DEBUG_B_MODE
+#define HALF_PIC_PREFIX	"$Lp."
+
+#include "halfpic.h"
+
+#define WORD_SWITCH_TAKES_ARG(STR)					\
+ (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) || !strcmp (STR, "pic-names"))
+
+#define CPP_PREDEFINES "\
+-DOSF -DOSF1 -Dbsd4_2 -DMIPSEL -Dhost_mips -Dmips -Dunix -DR3000 -DSYSTYPE_BSD \
+-Asystem(unix) -Asystem(xpg4) -Acpu(mips) -Amachine(mips)"
+
+#define SUBTARGET_CPP_SIZE_SPEC "\
+%{mlong64:-D__PTRDIFF_TYPE__=long\\ int} \
+%{!mlong64:-D__PTRDIFF_TYPE__=int}"
+
+#define SUBTARGET_CPP_SPEC "\
+%{.S:	%{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
+%{.s:	%{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}}"
+
+/* ??? This assumes that GNU as is always used with GNU ld, and MIPS as is
+   always used with MIPS ld.  */
+#define LINK_SPEC "\
+%{G*} %{EL} %{EB} %{mips1} %{mips2} %{mips3} \
+%{bestGnum} \
+%{!mmips-as: \
+ 	%{v*: -v} \
+	%{!noshrlib: %{pic-none: -noshrlib} %{!pic-none: -warn_nopic}} \
+	%{nostdlib} %{noshrlib} %{glue}}"
+
+#define LIB_SPEC "-lc"
+
+/* Define this macro meaning that `gcc' should find the library
+   `libgcc.a' by hand, rather than passing the argument `-lgcc' to
+   tell the linker to do the search. */
+
+#define LINK_LIBGCC_SPECIAL 1
+
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
+
+#define MACHINE_TYPE "DECstation with OSF/rose objects"
+
+#ifndef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX		"/usr/ccs/gcc/"
+#endif
+
+#ifndef MD_STARTFILE_PREFIX
+#define MD_STARTFILE_PREFIX	"/usr/ccs/lib/"
+#endif
+
+/* Turn on -mpic-extern by default.  */
+#define CC1_SPEC "\
+%{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
+%{mips1:-mfp32 -mgp32} %{mips2:-mfp32 -mgp32} %{mips3:-mfp64 -mgp64} \
+%{G*} \
+%{pic-none:   -mno-half-pic} \
+%{pic-lib:    -mhalf-pic} \
+%{pic-extern: -mhalf-pic} \
+%{pic-calls:  -mhalf-pic} \
+%{pic-names*: -mhalf-pic} \
+%{!pic-*:     -mhalf-pic}"
+
+/* Specify size_t and wchar_t types.  */
+#define SIZE_TYPE	"long unsigned int"
+#define WCHAR_TYPE	"unsigned int"
+#define WCHAR_TYPE_SIZE BITS_PER_WORD
+#define MAX_WCHAR_TYPE_SIZE MAX_LONG_TYPE_SIZE
+
+/* OSF/1 uses gas, not the mips assembler.  */
+#define TARGET_DEFAULT MASK_GAS
+
+/* OSF/rose uses stabs, not ECOFF.  */
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+/* enable dwarf debugging for testing */
+#define DWARF_DEBUGGING_INFO
+/* This is needed by dwarfout.c.  */
+#define SET_ASM_OP	".set"
+
+/* Tell collect that the object format is OSF/rose.  */
+#define OBJECT_FORMAT_ROSE
+
+/* Tell collect where the appropriate binaries are.  */
+#define REAL_LD_FILE_NAME	"/usr/ccs/gcc/gld"
+#define REAL_NM_FILE_NAME	"/usr/ccs/bin/nm"
+#define REAL_STRIP_FILE_NAME	"/usr/ccs/bin/strip"
+
+/* Default to -G 0 unless doing ecoff work.  */
+#define MIPS_DEFAULT_GVALUE ((TARGET_MIPS_AS) ? 8 : 0)
+
+/* Use atexit for static constructors/destructors, instead of defining
+   our own exit function.  */
+#define HAVE_ATEXIT
+
+/* Generate calls to memcpy, etc., not bcopy, etc.  */
+#define TARGET_MEM_FUNCTIONS
+
+/* A C statement to output assembler commands which will identify
+   the object file as having been compiled with GNU CC (or another
+   GNU compiler).
+
+   If you don't define this macro, the string `gcc2_compiled.:' is
+   output.  This string is calculated to define a symbol which, on
+   BSD systems, will never be defined for any other reason.  GDB
+   checks for the presence of this symbol when reading the symbol
+   table of an executable.
+
+   On non-BSD systems, you must arrange communication with GDB in
+   some other fashion.  If GDB is not used on your system, you can
+   define this macro with an empty body.
+
+   On OSF/1, gcc2_compiled. confuses the kernel debugger, so don't
+   put it out.  */
+
+#define ASM_IDENTIFY_GCC(STREAM)
+
+/* Identify the front-end which produced this file.  To keep symbol
+   space down, and not confuse kdb, only do this if the language is
+   not C.  */
+
+#define ASM_IDENTIFY_LANGUAGE(STREAM)					\
+{									\
+  if (strcmp (lang_identify (), "c") != 0)				\
+    output_lang_identify (STREAM);					\
+}