osfrose.h

gcc3.2.1源代码

/* Definitions of target machine for GNU compiler.
   DECstation (OSF/1 reference port with OSF/rose) version.
   Copyright (C) 1991, 1992, 1995, 1996, 1998, 1999, 2000 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} \
%{mint64|mlong64|mlong32:-mexplicit-type-size }\
%{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	"\t.set\t"

/* 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)

/* Generate calls to memcpy, etc., not bcopy, etc.  */
#define TARGET_MEM_FUNCTIONS