sni-svr4.h

gcc-2.95.3 Linux下最常用的C编译器

/* Definitions of target machine for GNU compiler.  SNI SINIX version.
   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   Contributed by Marco Walther ([e-mail]).

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 MIPS_SVR4

#define CPP_PREDEFINES "\
-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_SVR4 -Dsinix -DSNI \
-D_mips -D_unix -D_host_mips -D_MIPSEB -D_R3000 -D_SYSTYPE_SVR4 \
-Asystem(unix) -Asystem(svr4) -Acpu(mips) -Amachine(mips)"

#define SUBTARGET_CPP_SIZE_SPEC "\
-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int"

#define LINK_SPEC "\
%{G*} \
%{!mgas: \
	%{dy} %{dn}}"
		    
#define LIB_SPEC "\
	%{p:-lprof1} \
	%{!p:%{pg:-lprof1} \
	     %{!pg:-L/usr/ccs/lib/ -lc /usr/ccs/lib/crtn.o%s}}"

#define STARTFILE_SPEC "\
	%{pg:gcrt0.o%s} \
	%{!pg:%{p:mcrt0.o%s} \
	       %{!p:/usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o%s}}"

/* Mips System V.4 doesn't have a getpagesize() function needed by the
   trampoline code, so use the POSIX sysconf function to get it.
   This is only done when compiling the trampoline code.  */

#ifdef  L_trampoline
#include <unistd.h>

#define getpagesize()	sysconf(_SC_PAGE_SIZE)
#endif /*  L_trampoline */

/* 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

#define OBJECT_FORMAT_ELF

#define	TARGET_DEFAULT	MASK_ABICALLS
#define ABICALLS_ASM_OP ".option pic2"

#define MACHINE_TYPE "SNI running SINIX 5.42"

#define MIPS_DEFAULT_GVALUE	0

#define NM_FLAGS	"-p"

/* wir haben ein Problem, wenn in einem Assembler-File keine .text-section
   erzeugt wird. Dann landen diese Pseudo-Labels in irgendeiner anderen
   section, z.B. .reginfo. Das macht den ld sehr ungluecklich. */

#define ASM_IDENTIFY_GCC(mw_stream) \
	fprintf(mw_stream, "\t.ident \"gcc2_compiled.\"\n");

#define ASM_IDENTIFY_LANGUAGE(STREAM)

#define ASM_LONG	".word\t"
#define ASM_GLOBAL	".rdata\n\t\t.globl\t"

#include "mips/mips.h"

/* We do not want to run mips-tfile!  */
#undef ASM_FINAL_SPEC

#undef OBJECT_FORMAT_COFF

/* We don't support debugging info for now. */
#undef DBX_DEBUGGING_INFO
#undef SDB_DEBUGGING_INFO
#undef MIPS_DEBUGGING_INFO
#undef PREFERRED_DEBUGGING_TYPE

#define DWARF2_UNWIND_INFO 0